WO2011025035A1 - コーティング用組成物 - Google Patents
コーティング用組成物 Download PDFInfo
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- WO2011025035A1 WO2011025035A1 PCT/JP2010/064815 JP2010064815W WO2011025035A1 WO 2011025035 A1 WO2011025035 A1 WO 2011025035A1 JP 2010064815 W JP2010064815 W JP 2010064815W WO 2011025035 A1 WO2011025035 A1 WO 2011025035A1
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- polyvinyl alcohol
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/003—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P20/00—Coating of foodstuffs; Coatings therefor; Making laminated, multi-layered, stuffed or hollow foodstuffs
- A23P20/10—Coating with edible coatings, e.g. with oils or fats
- A23P20/105—Coating with compositions containing vegetable or microbial fermentation gums, e.g. cellulose or derivatives; Coating with edible polymers, e.g. polyvinyalcohol
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/32—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F261/00—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00
- C08F261/02—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols
- C08F261/04—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols on to polymers of vinyl alcohol
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/26—Cellulose ethers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/26—Cellulose ethers
- C09D101/28—Alkyl ethers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/26—Cellulose ethers
- C09D101/28—Alkyl ethers
- C09D101/284—Alkyl ethers with hydroxylated hydrocarbon radicals
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/284—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5026—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
- C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
Definitions
- the present invention relates to a composition containing a polyvinyl alcohol polymer and a cellulosic polymer and useful for coating a medicine or the like. More specifically, the present invention includes a polymer or copolymer obtained by polymerizing or copolymerizing at least one polymerizable vinyl monomer in the presence of polyvinyl alcohol and / or a derivative thereof, and a cellulosic polymer. The present invention relates to a coating composition such as pharmaceuticals.
- a polyvinyl alcohol copolymer obtained by copolymerizing at least one polymerizable vinyl monomer with polyvinyl alcohol is known to be useful as a main component of a hard capsule for a hardly soluble medicinal component (patent) Reference 1). Moreover, it is known that the coating agent which consists of the said polyvinyl alcohol copolymer is excellent in performance, such as an antioxidant effect and the masking effect of an unpleasant odor (refer patent document 2).
- the main component of the coating agent is only the polyvinyl alcohol copolymer, it becomes a coating agent with strong adhesion, and the solid preparation such as a tablet in the apparatus or aggregation of the solid preparations occurs in the coating process. Or the feeding speed could not be increased, and a long time was required for the treatment, and sufficient productivity could not be obtained.
- the present invention provides a coating composition capable of maintaining the excellent moisture-proof performance of a coating composition mainly composed of a polyvinyl alcohol polymer or copolymer, increasing the coating treatment speed, and increasing productivity.
- the main issue is to provide
- the present inventors have reduced the time required for the coating treatment by containing a cellulose-based polymer in addition to the polyvinyl alcohol copolymer, and the polyvinyl alcohol copolymer It has been found that a coating composition having a moisture-proof performance equivalent to that of a coating agent composed of a single compound can be obtained, and further studies have been made to complete the present invention.
- the present invention includes the compositions described in the following items.
- Item 1. (A) a polymer or copolymer obtained by polymerizing or copolymerizing at least one polymerizable vinyl monomer in the presence of polyvinyl alcohol and / or a derivative thereof; and (B) Cellulose polymer A coating composition comprising: Item 2.
- Item 2. The coating composition according to Item 1, wherein the polymerizable vinyl monomer is selected from the group consisting of unsaturated carboxylic acids or salts thereof, and esters of unsaturated carboxylic acids.
- Item 3. The polymerizable vinyl monomer is represented by the following general formula [1].
- the polymer or copolymer (A) is In the presence of polyvinyl alcohol and / or its derivatives, (I) Acrylic acid, methacrylic acid, at least one selected from the group consisting of sodium salts, potassium salts, ammonium salts, and alkylamine salts, and (II) methyl methacrylate, methyl acrylate, ethyl methacrylate, ethyl acrylate A polymer or copolymer obtained by polymerizing or copolymerizing at least one polymerizable vinyl monomer selected from the group consisting of butyl methacrylate, butyl acrylate, isobutyl methacrylate, and isobutyl acrylate, Item 4.
- Item 5. The coating composition according to Item 5, wherein (II) is methyl methacrylate.
- Item 6. The coating composition according to any one of Items 1 to 5, wherein the cellulosic polymer is at least one selected from the group consisting of hydroxypropylmethylcellulose, hydroxypropylcellulose, methylcellulose, and hydroxyethylcellulose.
- Item 8. Item 8.
- a coating preparation comprising the coating composition according to any one of Items 1 to 7 coated on a solid preparation. Item 9-1.
- a method for producing a coating preparation comprising a step of applying the coating composition according to any one of Items 1 to 7 to a solid preparation.
- Item 8. A method for producing a coating preparation by applying the coating composition according to any one of Items 1 to 7 to a solid preparation.
- Item 8. A method for coating a solid preparation, comprising a step of applying the coating composition according to any one of Items 1 to 7 to the solid preparation.
- Item 8. The coating composition according to any one of Items 1 to 7, which is used for coating a solid preparation.
- Item 12. Item 12.
- the coating composition of the present invention has excellent moisture-proof performance and has the advantages of increasing the coating speed and improving productivity by reducing adhesion.
- the adhesion of the preparation to the apparatus during coating and the aggregation of the preparations are suppressed, and the coating speed is markedly higher than that of the coating composition comprising a polyvinyl alcohol polymer. It becomes possible to improve.
- the coating composition of the present invention has excellent moisture-proof performance equivalent to that of a coating composition comprising a polyvinyl alcohol polymer. It also has a masking effect on odor and bitterness and an oxygen permeation preventing effect.
- the present invention makes it possible to efficiently produce a coating preparation having an excellent function in a short time.
- the preparations and uncoated tablets coated with each coating solution were dried in a dryer at 40 ° C. for 2 days and then stored under conditions of 25 ° C. and 75% RH, and the increase in the moisture content of the tablets after each time elapsed, It is drawing which showed the result of having investigated the moisture absorption rate of each tablet for every difference in the compounding quantity of HPMC.
- the vertical axis in FIG. 1 indicates the rate of increase in moisture content when the moisture content immediately after coating is 0%.
- the horizontal axis in FIG. 1 indicates the elapsed time since storage.
- the preparations and uncoated tablets coated with each coating solution were dried in a dryer at 40 ° C. for 2 days and then stored under conditions of 25 ° C.
- the vertical axis in FIG. 2 indicates the rate of increase in moisture content when the moisture content immediately after coating is 0%.
- the horizontal axis of FIG. 2 shows the elapsed time since storage.
- a polymer or copolymer obtained by polymerizing or copolymerizing at least one polymerizable vinyl monomer in the presence of polyvinyl alcohol and / or a derivative thereof (hereinafter also referred to as “polyvinyl alcohol polymer”).
- the polyvinyl alcohol polymer which is one of the components in the coating composition of the present invention is obtained by polymerizing or copolymerizing at least one polymerizable vinyl monomer by a known polymerization method in the presence of polyvinyl alcohol or a derivative thereof.
- Known polymerization methods include, for example, radical polymerization, and specific methods thereof include, for example, solution polymerization method, suspension polymerization method, emulsion polymerization method and bulk polymerization.
- the polymerization reaction is usually carried out in water, an organic solvent, or a mixture thereof in the presence of a polymerization initiator and, if necessary, in the presence of a reducing agent, a chain transfer agent, a dispersant or the like.
- Examples of the reducing agent include sodium erythorbate, sodium metabisulfite, and ascorbic acid.
- chain transfer agent examples include 2-mercaptoethanol, ⁇ -methylstyrene dimer, 2-ethylhexyl thioglycolate, and lauryl mercaptan.
- dispersant examples include surfactants such as sorbitan ester and lauryl alcohol.
- organic solvent examples include lower alcohols such as methanol and ethanol, glycol ethers, and glycol esters.
- the removal method of an unreacted monomer etc. can be performed according to a well-known method.
- the polyvinyl alcohol used as a raw material for the polyvinyl alcohol polymer of the present invention has an average degree of polymerization of about 100 to 2000, preferably about 200 to 1300, more preferably an average degree of polymerization of about 200 to 900, and still more preferably an average degree of polymerization of about 200.
- Polyvinyl alcohol having an average polymerization degree of about 300 to 500 is preferable.
- the degree of saponification of polyvinyl alcohol is usually about 96 mol% or less, preferably about 78 to 96 mol%.
- the degree of saponification of polyvinyl alcohol refers to the ratio of hydroxyl groups substituted in the step of replacing polyvinyl acetate with hydroxyl groups to form polyvinyl alcohol.
- Such partially saponified polyvinyl alcohol can be produced by radical polymerization of vinyl acetate and appropriately saponifying the obtained polyvinyl acetate, and appropriately controlling the degree of polymerization and the degree of saponification by methods known per se. By doing so, a desired polyvinyl alcohol can be produced.
- Such partially saponified polyvinyl alcohol may be a commercially available product.
- GOHSENOL registered trademark
- EG05 manufactured by Nippon Synthetic Chemical Industry
- EG25 manufactured by Nippon Synthetic Chemical Industry
- PVA203 Kuraray
- PVA204 manufactured by Kuraray Co., Ltd.
- PVA205 manufactured by Kuraray Co., Ltd.
- JP-04 manufactured by Nihon Vinegar-Poval
- JP-05 manufactured by Nihon Vinegar-Poval
- polyvinyl alcohol derivatives include various modified polyvinyl alcohols such as amine-modified polyvinyl alcohol, ethylene-modified polyvinyl alcohol, carboxylic acid-modified polyvinyl alcohol, diacetone-modified polyvinyl alcohol, and thiol-modified polyvinyl alcohol.
- modified polyvinyl alcohols commercially available products may be used, or those produced by methods known in the art can also be used.
- Polyvinyl alcohol or a derivative thereof used as a raw material for the polyvinyl alcohol polymer may be a single type or a combination of two or more types of polyvinyl alcohol or a derivative thereof.
- the ratio in the case of using together can be set suitably.
- polyvinyl alcohol having an average polymerization degree of 300 and polyvinyl alcohol having an average polymerization degree of 1500 can be appropriately mixed and used as a polyvinyl alcohol raw material.
- Examples of the polymerizable vinyl monomer to be polymerized with polyvinyl alcohol include unsaturated carboxylic acids or salts thereof, esters of unsaturated carboxylic acids, unsaturated nitriles, unsaturated amides, aromatic vinyls, aliphatic vinyls. , Unsaturated bond-containing heterocycles, and salts thereof.
- unsaturated carboxylic acids examples include acrylic acid, methacrylic acid, crotonic acid, fumaric acid, maleic acid, itaconic acid and the like.
- Examples of the salts of unsaturated carboxylic acids include alkali metal salts, ammonium salts, and alkylamine salts of the unsaturated carboxylic acids. *
- unsaturated carboxylic acid esters examples include substituted or unsubstituted alkyl esters, cyclic alkyl esters, and polyalkylene glycol esters of the unsaturated carboxylic acid.
- methacrylates such as methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, isobutyl methacrylate, cyclohexyl methacrylate, 2-ethylhexyl methacrylate, hydroxyethyl methacrylate, polyethylene glycol methacrylate (ester of polyethylene glycol and methacrylic acid)kind.
- Examples of unsaturated nitriles include acrylonitrile and methacrylonitrile.
- unsaturated amides examples include acrylamide, dimethylacrylamide, and methacrylamide.
- aromatic vinyls examples include styrene and ⁇ -methylstyrene.
- aliphatic vinyls examples include vinyl acetate.
- unsaturated bond-containing heterocycles examples include N-vinylpyrrolidone and acryloylmorpholine.
- preferred polymerizable vinyl monomers are represented by the general formula [1].
- H 2 C ⁇ C (R 1 ) -COOR 2 [1] [Wherein, R 1 represents a hydrogen atom or a methyl group, and R 2 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms. ] It is a compound represented by these. Specific examples include acrylic acid, methacrylic acid, methyl methacrylate, methyl acrylate, ethyl methacrylate, ethyl acrylate, propyl methacrylate, propyl acrylate, butyl methacrylate, butyl acrylate, isobutyl methacrylate, and isobutyl acrylate. These salts can also be used for acrylic acid and methacrylic acid. For example, these sodium salts, potassium salts, ammonium salts, or alkylamine salts may be used.
- polymerizable vinyl monomers may be used alone or in combination of two or more.
- two types of vinyl monomers, unsaturated carboxylic acids or salts thereof and esters of unsaturated carboxylic acids can be copolymerized with polyvinyl alcohol.
- the ratio is not particularly limited.
- the weight ratio of (I) to the total amount of polymerizable vinyl monomers is preferably 5 to 50% by weight, more preferably 10 to 40% by weight, and the weight of (II) The ratio is preferably 50 to 95% by weight, more preferably 60 to 90% by weight.
- the weight ratio is preferably about 3: 7 to 0.5: 9.5, more preferably about 1.25: 8.75. is there.
- a preferable polyvinyl alcohol copolymer includes a copolymer obtained by copolymerizing acrylic acid and methacrylic acid ester with polyvinyl alcohol. More specifically, a copolymer obtained by copolymerizing acrylic acid and methyl methacrylate with polyvinyl alcohol can be mentioned.
- the weight ratio of polyvinyl alcohol and polymerizable vinyl monomer used is preferably about 6: 4 to 9: 1, more preferably about 8: 2.
- preferred (A) polyvinyl alcohol polymer in the coating composition of the present invention is a polyvinyl alcohol polymer obtained by copolymerizing methyl methacrylate and acrylic acid to polyvinyl alcohol having an average polymerization degree of about 100 to 2000.
- the weight ratio of polyvinyl alcohol, methyl methacrylate and acrylic acid in the copolymerization is about (60-90: 7-38: 0.5-12), especially Preferred is a polyvinyl alcohol copolymer which is about (80: 17.5: 2.5).
- the weight ratio of polyvinyl alcohol and polymerizable vinyl monomer in the polyvinyl alcohol polymer is the same as the weight ratio of polyvinyl alcohol and polymerizable vinyl monomer used for copolymerization. Then, the polymerization molar ratio of the polyvinyl alcohol and the polymerizable vinyl monomer in the polymer can be measured by NMR, and the molecular weight of the polyvinyl alcohol and each polymerizable vinyl monomer is also known. Even if the amount of each substance used is unknown, the weight ratio of the polyvinyl alcohol and the polymerizable vinyl monomer of the copolymer can be calculated based on these information.
- a known method can be used. For example, polyvinyl alcohol and / or a derivative thereof is added to water and heated to dissolve, and then at least one of the polymerizable vinyl monomers and a polymerization initiator are added and copolymerized to obtain a copolymer of the present invention.
- a polyvinyl alcohol polymer can be obtained.
- at least one of the above polymerizable vinyl monomers is added and the atmosphere is replaced with nitrogen.
- the reaction may be performed for about 2 to 5 hours.
- the polyvinyl alcohol and / or derivative thereof and the polymerizable vinyl monomer in the polyvinyl alcohol polymer of the above (A) depending on the weight ratio of the polyvinyl alcohol and / or derivative thereof and the polymerizable vinyl monomer added to water.
- the weight ratio is determined. Therefore, the weight ratio added to water is preferably the weight ratio of the polyvinyl alcohol and / or derivative thereof and the polymerizable vinyl monomer in the polyvinyl alcohol polymer (A) described above.
- polymerization initiator those used in this field can be used.
- examples thereof include inorganic peroxides such as potassium persulfate, ammonium persulfate, and hydrogen peroxide, organic peroxides such as peracetic acid and tert-butylhydroxyperoxide, and azo compounds.
- polyvinyl alcohol polymer of this invention it is also possible to use a commercial item, for example, POVACOAT (trademark) TypeTF (made by Daido Kasei Kogyo Co., Ltd.) etc. can be used.
- POVACOAT trademark
- TypeTF made by Daido Kasei Kogyo Co., Ltd.
- Cellulose polymer As the cellulose polymer, a polymer obtained by esterifying or etherifying a hydroxyl group of cellulose is preferably used.
- hydroxypropyl methylcellulose also referred to as hypromellose in the Japanese Pharmacopoeia, hereinafter also referred to as “HPMC”
- HPMC hydroxypropyl methylcellulose
- HPC hydroxypropylcellulose
- MC methylcellulose
- HEC Hydroxyethyl cellulose
- HPMC and HPC are preferable in that the effect of reducing adhesion is high.
- the weight-average molecular weight of the cellulosic polymer is not particularly limited as long as it is within the range where the effects of the present invention are exerted, but is usually about 10,000 to 200,000 g / mol, preferably about 20,000 to 50,000 g / mol. It is preferable that it is 10,000 g / mol or more from the viewpoint of adhesion reduction effect and improvement of drying efficiency. Moreover, if it is 200000 g / mol% or less, there is little possibility that the problem of the work by the viscosity increase of a coating solution will arise.
- the weight average molecular weight is measured by the GPC method.
- the degree of esterification or etherification of the cellulosic polymer is not particularly limited as long as the effect of the present invention is not impaired.
- the ratio of the introduced substituent is preferably 19 to 33% of methoxy group and 4 to 12% of hydroxypropoxy group when the total hydroxyl group of cellulose is 100%. Is more preferably 28 to 30% and hydroxypropoxy group is 7 to 12%.
- such a cellulosic polymer is known or can be easily produced by a known method, and a commercially available product can be purchased and used.
- a commercially available product can be purchased and used.
- it can be purchased from Shin-Etsu Chemical Co., Ltd. or Nippon Soda Co., Ltd.
- the coating composition comprising the above-mentioned “polyvinyl alcohol polymer” maintains the moisture-proof performance, while increasing the coating speed and improving the productivity of the coating preparation. Is done.
- Coating composition comprises (A) a polymer obtained by polymerizing or copolymerizing at least one polymerizable vinyl monomer in the presence of polyvinyl alcohol and / or a derivative thereof. It contains a copolymer (polyvinyl alcohol polymer) and the above (B) cellulosic polymer.
- the ratio is preferably about 1: 0.05 to 2.3, more preferably about 1: 0.1 to 0.7.
- adhesion is reduced, which is preferable in terms of improving productivity.
- it is 2.5 or less, there is little fear of a moisture-proof function fall.
- it is 0.7 or less there is less fear of a moisture-proof function fall.
- the amount of the (A) polyvinyl alcohol polymer in the coating composition of the present invention is not particularly limited as long as it is within the range where the effects of the present invention are exerted, but 30 in terms of solid content with respect to the total amount of the composition. It is about 98% by weight, preferably about 60 to 90% by weight. About 98% by weight or less is preferable from the viewpoint of improving productivity. Moreover, if it is about 30 weight% or more, there is little fear of a moisture-proof function fall.
- the amount of the (B) cellulose polymer in the coating composition of the present invention is not particularly limited as long as it is within the range in which the effect of the present invention is exhibited, but 2 in terms of solid content with respect to the total amount of the composition. It is about 70% by weight, preferably about 10-40% by weight. About 2% by weight or more is preferable from the viewpoint of improving productivity. Moreover, if it is about 70 weight% or less, there is little fear of a moisture-proof function fall.
- the form of the composition of the present invention is not particularly limited.
- the composition which consists of (A) and (B) may be sufficient, and the composition etc. which are obtained by adding (A) and (B) to a solvent may be sufficient. That is, the composition etc. which mixed (A) and (B) and the solvent may be sufficient.
- the solvent include water, a hydrophilic organic solvent, or a mixture thereof.
- the hydrophilic organic solvent include alcohols such as ethanol, polyhydric alcohols such as glycerin and polyethylene glycol, and the like.
- the mixing ratio of water and the hydrophilic organic solvent is not particularly limited and can be set as appropriate.
- the weight ratio of water: hydrophilic organic solvent is about 1: 0.1 to 10.
- the coating composition is sprayed, sprayed, etc. in the form of an aqueous solution, aqueous dispersion, organic solvent solution or organic solvent dispersion. It is preferably subjected to a coating.
- the weight ratio of the solvent and (A) and (B) is preferably about 5 to 50, more preferably 10 to 40 when the total weight of (A) and (B) is 1.
- the degree can be exemplified.
- the coating composition of the present invention can also contain other components other than (A) and (B) as long as the effects of the present invention are achieved.
- anti-aggregation agents include anti-aggregation agents, pigments, plasticizers, lubricants, flavoring agents, and fragrances.
- These organic acids and their salts can be exemplified, and these may be used alone or in combination of two or more.
- Spray coating can be performed by a method using a known apparatus.
- any of ordinary methods using a pan coating apparatus, a drum type coating apparatus, and a fluid coating apparatus may be used. These are preferably air-permeable coating devices, and generally used fluidized bed coating devices, rolling fluid coating devices, tablet coating devices, fully automatic coating devices, and the like can be appropriately used depending on the dosage form to be applied. be able to.
- Specific examples of the fluidized bed coating apparatus include a spouted bed coating apparatus.
- the application target of the coating composition of the present invention is not particularly limited, and examples thereof include solid preparations, health foods, and foods. Especially, this invention can be used suitably for coating of a solid formulation.
- solid preparations include tablets, granules, powders, pills, capsules and the like.
- the coating composition of the present invention can be used for film coating of tablets.
- the coating composition of the present invention can reduce the adhesion of the coating, increase the coating speed, and improve the productivity of the coating preparation. Furthermore, the coating composition of the present invention also has the characteristics of a coating composition comprising a polyvinyl alcohol copolymer, and is particularly excellent in moisture proof performance.
- the coating composition of the present invention has an effect of masking unpleasant odors such as pharmaceuticals, animal drugs, agricultural chemicals, fertilizers, foods and the like.
- unpleasant odors include peculiar unpleasant odors or irritating odors derived from pharmaceuticals (eg, L-cysteine, thiamine hydrochloride, methionine, digestive enzyme preparations, various herbal medicines), and various foods.
- pharmaceuticals eg, L-cysteine, thiamine hydrochloride, methionine, digestive enzyme preparations, various herbal medicines
- fish odor, retort odor, animal meat odor, etc. are effective in suppressing such odor. It also has a bitter taste masking effect for pharmaceuticals, foods, and the like.
- the drug exhibiting a bitter taste is not particularly limited, and examples thereof include acetaminophen, pyridoxine hydrochloride, anhydrous caffeine, chlorpromazine, erythromycin, phenobarbital, promethazine hydrochloride and the like. Furthermore, for unstable drugs that are concerned about interaction with other agents, such as isopropylantipyrine and acetaminophen, which cause a melting point drop by mixing, phenylpropanolamine and chlorpheniramine maleate that change color by mixing, By applying the coating composition of the present invention, such interaction can be prevented.
- the coating composition of the present invention also has an oxygen permeation-preventing effect, it is useful for drugs (eg ascorbic acid, vitamin A, vitamin E, etc.), veterinary drugs, agricultural chemicals, fertilizers and foods that are susceptible to oxidative degradation. Useful for coating.
- drugs eg ascorbic acid, vitamin A, vitamin E, etc.
- veterinary drugs e.g ascorbic acid, vitamin A, vitamin E, etc.
- agricultural chemicals e.g., fertilizers and foods that are susceptible to oxidative degradation.
- the coating preparation of the present invention is a preparation in which the coating composition of the present invention is coated on the surface of a solid preparation or the like.
- solid preparations include solid preparations such as pharmaceuticals, animal drugs, agricultural chemicals, fertilizers, foods, etc., preferably solid preparations described in Japanese Pharmacopoeia Fifteenth Revised Formulation General Rules, such as tablets, granules, powders, pills, A capsule etc. can be illustrated.
- the solid preparation can be produced by a method usually used in pharmaceutics.
- a method usually used in pharmaceutics for example, in the case of tablets, there are a direct powder compression method, a dry granule compression method, a semi-dry granule compression method, and a wet granule compression method.
- the method for coating the solid preparation with the coating composition of the present invention is not particularly limited, and the solid preparation can be coated by a method usually used in pharmacology.
- a method usually used in pharmacology there are a pan coating method, a fluidized bed coating method, a rolling fluidized bed coating method, and the like.
- the coating amount of the coating composition of the present invention can be appropriately set depending on the size of the preparation and the like, but is usually about 1 to 100%, particularly 2% by weight of the coating composition with respect to the weight of the preparation before coating. About 50%.
- the medicine filled in the preparation of the present invention is not particularly limited as long as the effect of the present invention is exerted.
- nutritional tonic health drug for example, nutritional tonic health drug, antipyretic analgesic / antiinflammatory drug, psychotropic drug, anxiolytic drug, antidepressant drug Drugs, hypnotic sedatives, antispasmodics, central nervous system drugs, cerebral metabolism improving agents, cerebral circulation improving agents, antiepileptic agents, sympathomimetic agents, gastrointestinal drugs, antacids, antiulcer agents, antitussive expectorants, antiemetics , Respiratory enhancer, bronchodilator, allergy medicine, dental and oral medicine, antihistamine, cardiotonic, arrhythmic agent, diuretic, antihypertensive agent, vasoconstrictor, coronary vasodilator, peripheral vasodilator, hyperlipidemia Symptomatic agent, biliary agent, antibiotic, chemotherapeutic agent, diabetes agent, osteoporosis agent,
- additives used in solid preparations such as anti-aggregation agents, pigments, plasticizers, lubricants, flavoring agents, and fragrances may be added to the preparation of the present invention. it can.
- the coating preparation of the present invention has improved productivity, and also has the characteristics of a preparation coated with a coating solution comprising a polyvinyl alcohol polymer, and is particularly excellent in moisture-proof performance. Moreover, the effects as described above can also be provided.
- the polyvinyl alcohol copolymer is also referred to as a PVA copolymer.
- the PVA copolymer has a weight ratio of (polyvinyl alcohol: methyl methacrylate: acrylic acid) of approximately (80: 17.5: 2.5).
- hydroxypropyl methylcellulose (TC-5R (registered trademark), manufactured by Shin-Etsu Chemical Co., Ltd., weight average molecular weight 35600 g / mol) were dissolved in 62.5 g of purified water.
- a coating solution was prepared.
- the ratio of the introduced substituents is about 29% methoxy group and about 10% hydroxypropoxy group when the total hydroxyl group of cellulose is 100%.
- Example B A coating solution was prepared in the same manner as in Example A except that the amount of PVA copolymer was changed to 4.5 g instead of 4.75 g and the amount of HPMC was changed to 0.5 g instead of 0.25 g.
- Example C A coating solution was prepared in the same manner as in Example A except that the amount of the PVA copolymer was changed to 4.25 g instead of 4.75 g and the amount of HPMC was changed to 0.75 g instead of 0.25 g.
- Example D A coating solution was prepared in the same manner as in Example A except that the amount of the PVA copolymer was changed to 4.0 g instead of 4.75 g and the amount of HPMC was changed to 1.0 g instead of 0.25 g.
- Example E A coating solution was prepared in the same manner as in Example A except that the amount of PVA copolymer was changed to 3.5 g instead of 4.75 g, and the amount of HPMC was changed to 1.5 g instead of 0.25 g.
- Example F A coating solution was prepared in the same manner as in Example A except that the amount of PVA copolymer was changed to 2.5 g instead of 4.75 g, and the amount of HPMC was changed to 2.5 g instead of 0.25 g.
- Example G A coating solution was prepared in the same manner as in Example A except that the amount of the PVA copolymer was changed to 1.5 g instead of 4.75 g, and the amount of HPMC was changed to 3.5 g instead of 0.25 g.
- Example H A coating solution was prepared by dissolving 4.0 g of PVA copolymer and 1.0 g of hydroxypropylcellulose (NISSO HPC-L (registered trademark), manufactured by Nippon Soda Co., Ltd.) in 62.5 g of purified water.
- NISSO HPC-L hydroxypropylcellulose
- Comparative Example A A coating solution was prepared by dissolving 5.0 g of PVA copolymer in 62.5 g of purified water.
- Comparative Example B A coating solution was prepared by dissolving 5.0 g of HPMC (TC-5R (registered trademark), manufactured by Shin-Etsu Chemical Co., Ltd., weight average molecular weight 35600 g / mol) in 62.5 g of purified water.
- Coating method Coating was performed on 50 g of uncoated tablets having a tablet diameter of ⁇ 8.1 mm and a weight of 195 mg using a spouted bed coating apparatus with a draft tube (Grow Max 140 manufactured by Fuji Powdal Co., Ltd.).
- the coating conditions are as follows.
- ⁇ The tablet sometimes adheres to the inner wall of the draft tube, causing slight aggregation, or the aggregation rate is 10% or less.
- the aggregation rate means the proportion of the weight of all tablets with two or more tablets attached.
- the ratio described as PVA copolymer: HPVC or HPC indicates an approximate ratio of HPMC or HPC to PVA copolymer by weight ratio.
- Comparative Example A of Table 1 when a coating composition containing no cellulosic polymer is used, if the coating speed is increased, tablet aggregation or adhesion to the apparatus occurs, and the coating speed is reduced. It was difficult to raise.
- Example D could be twice or more that of Comparative Example A, and that in Example F could be three times or more that of Comparative Example A.
- Comparative Example A the coating time until a film-coated tablet with good appearance was obtained was 100 minutes.
- the coating liquid speed to be sprayed must be suppressed. It took about 100 minutes to finish the coating.
- the coating time until obtaining a film-coated tablet with good appearance was 65 minutes for Example B, 45 minutes for Example D, and about 30 minutes for Example F. That is, in the case of using the example, it is possible to perform coating so as not to cause aggregation of the tablet or adhesion to the apparatus even if the coating liquid speed to be sprayed is increased, compared with the case of using Comparative Example A. It was possible to finish the coating quickly.
- the liquid amounts of the respective examples used for coating are substantially the same.
- Fig. 1 shows the result of analyzing the difference in moisture absorption rate of the coated tablet due to the difference in the amount of HPMC. Moreover, the result of having analyzed the difference in the moisture absorption rate of the coated tablet by the difference in the component contained in the coated tablet is shown in FIG. Note that “ ⁇ moisture content (%)” in FIGS. 1 and 2 represents the rate of increase in moisture content. Specifically, it represents the rate of weight increase when the weight of each coated tablet immediately after drying is taken as 100%.
- the tablet coated with the coating liquid of the example of the present invention has a moisture absorption rate as slow as the tablet coated with the coating liquid of Comparative Example A using the PVA copolymer alone. I understood. Furthermore, as shown in FIG. 2, it was found that even when HPC was used instead of HPMC, the moisture absorption rate was equally low.
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Abstract
Description
項1.
(A)ポリビニルアルコール及び/又はその誘導体の存在下、少なくとも1種の重合性ビニル単量体を重合又は共重合した重合体又は共重合体、及び、
(B)セルロース系高分子
を含むことを特徴とするコーティング用組成物。
項2.
重合性ビニル単量体が、不飽和カルボン酸類又はその塩類、及び不飽和カルボン酸のエステル類からなる群より選択されるものである、項1に記載のコーティング用組成物。
項3.
重合性ビニル単量体が、下記一般式[1]
H2C=C(R1)-COOR2 [1]
〔式中、R1は水素原子またはメチル基を示し、R2は水素原子または1~4個の炭素原子を有するアルキル基を示す。〕
で表される化合物又はその塩である、
項1に記載のコーティング用組成物。
項4.
(A)の重合体又は共重合体が、
ポリビニルアルコール及び/又はその誘導体の存在下、
(I)アクリル酸、メタクリル酸、これらのナトリウム塩、カリウム塩、アンモニウム塩、及びアルキルアミン塩からなる群より選択される少なくとも1種、並びに(II)メチルメタクリレート、メチルアクリレート、エチルメタクリレート、エチルアクリレート、ブチルメタクリレート、ブチルアクリレート、イソブチルメタクリレート、及びイソブチルアクリレートからなる群より選択される少なくとも1種の重合性ビニル単量体を重合又は共重合した重合体又は共重合体である、
項1に記載のコーティング用組成物。
項5.
(II)がメチルメタクリレートである、項5に記載のコーティング用組成物。
項6.
セルロース系高分子が、ヒドロキシプロピルメチルセルロース、ヒドロキシプロピルセルロース、メチルセルロース、及びヒドロキシエチルセルロースからなる群より選ばれる少なくとも1種であることを特徴とする項1~5のいずれかに記載のコーティング用組成物。
項7.
前記(A)と(B)の比率が、重量比で、(A):(B)=1:0.02~2.5程度である項1~6のいずれかに記載のコーティング用組成物。
項8.
項1~7のいずれかに記載のコーティング用組成物を固形製剤にコーティングしたコーティング製剤。
項9-1.
項1~7のいずれかに記載のコーティング用組成物を固形製剤に塗布する工程を含む、コーティング製剤を製造する方法。
項9-2.
項1~7のいずれかに記載のコーティング用組成物を固形製剤に塗布することによりコーティング製剤を製造する方法。
項10-1.
項1~7のいずれかに記載のコーティング用組成物を固形製剤に塗布する工程を含む、固形製剤をコーティングする方法。
項10-2.
項1~7のいずれかに記載のコーティング用組成物を固形製剤に塗布することによりコーティングする方法。
項11.固形製剤コーティング用である、項1~7のいずれかに記載のコーティング用組成物。
項12.スプレーコーティング用である、項1~7及び11のいずれかに記載のコーティング用組成物。
また、臭いや苦みのマスキング効果、酸素透過防止効果も有する。
本発明のコーティング組成物における成分の一つであるポリビニルアルコール重合体は、ポリビニルアルコールまたはその誘導体の存在下、少なくとも1種の重合性ビニル単量体を公知の重合方法で重合又は共重合させることにより製造することができる。公知の重合方法としては、例えばラジカル重合を挙げることができ、またその具体的な方法として、例えば溶液重合法、懸濁重合法、乳化重合法および塊状重合などを挙げることができる。
一般式[1]
H2C=C(R1)-COOR2 [1]
〔式中、R1は水素原子またはメチル基を示し、R2は水素原子または1~4個の炭素原子を有するアルキル基を示す。〕
で表される化合物である。具体的には、アクリル酸、メタクリル酸、メチルメタクリレート、メチルアクリレート、エチルメタクリレート、エチルアクリレート、プロピルメタクリレート、プロピルアクリレート、ブチルメタクリレート、ブチルアクリレート、イソブチルメタクリレート、イソブチルアクリレートが挙げられる。アクリル酸及びメタクリル酸は、これらの塩を用いることもできる。例えば、これらのナトリウム塩、カリウム塩、アンモニウム塩、又はアルキルアミン塩等を用いてもよい。
セルロース系高分子としては、セルロースの水酸基をエステル化又はエーテル化した高分子が好ましく用いられる。
本発明のコーティング用組成物は、上記(A)ポリビニルアルコール及び/又はその誘導体の存在下、少なくとも1種の重合性ビニル単量体を重合又は共重合した重合体又は共重合体(ポリビニルアルコール重合体)、及び、上記(B)セルロース系高分子、を含むことを特徴とする。
さらにまた、本発明のコ-テイング組成物は、酸素透過防止効果をも有するので、酸化分解を受けやすい医薬(例えばアスコルビン酸、ビタミンA、ビタミンEなど)、動物薬、農薬、肥料、食品のコーティングに有用である。
本発明のコーティング製剤は、固形製剤等の表面に上記本発明のコーティング用組成物が被覆された製剤である。
実施例A
冷却還流管、滴下ロート、温度計、窒素導入管及び攪拌装置を取り付けたセパラブルフラスコにポリビニルアルコール(EG05、平均重合度500、けん化度88%、日本合成化学製)175.8g、イオン交換水582.3gを仕込み、常温で分散させた後95℃で完全溶解させた。次いでアクリル酸5.4g、メチルメタクリレート37.3gを添加し、窒素置換後50℃まで昇温した後、ターシャリーブチルハイドロパーオキサイド8.5g、エリソルビン酸ナトリウム8.5gを添加し4時間で反応を終了させた。これを乾燥・粉砕してポリビニルアルコール共重合体(粉末)を得た。以下、当該ポリビニルアルコール共重合体をPVA共重合体とも標記する。当該PVA共重合体は、(ポリビニルアルコール:メチルメタクリレート:アクリル酸)の重量比がおよそ(80:17.5:2.5)である。当該PVA共重合体4.75gとヒドロキシプロピルメチルセルロース(TC-5R(登録商標)、信越化学工業(株)製、重量平均分子量35600g/mol)0.25gを62.5gの精製水に溶解させてコーティング液を作製した。なお、用いた当該ヒドロキシプロピルセルロースは、導入されている置換基の割合が、セルロースの全水酸基を100%とした場合、メトキシ基約29%、ヒドロキシプロポキシ基約10%である。
PVA共重合体の量を4.75gに代えて4.5gとし、HPMCの量を0.25gに代えて0.5gとする以外は、実施例Aと同様にしてコーティング液を作製した。
PVA共重合体の量を4.75gに代えて4.25gとし、HPMCの量を0.25gに代えて0.75gとする以外は、実施例Aと同様にしてコーティング液を作製した。
PVA共重合体の量を4.75gに代えて4.0gとし、HPMCの量を0.25gに代えて1.0gとする以外は、実施例Aと同様にしてコーティング液を作製した。
PVA共重合体の量を4.75gに代えて3.5gとし、HPMCの量を0.25gに代えて1.5gとする以外は、実施例Aと同様にしてコーティング液を作製した。
PVA共重合体の量を4.75gに代えて2.5gとし、HPMCの量を0.25gに代えて2.5gとする以外は、実施例Aと同様にしてコーティング液を作製した。
PVA共重合体の量を4.75gに代えて1.5gとし、HPMCの量を0.25gに代えて3.5gとする以外は、実施例Aと同様にしてコーティング液を作製した。
PVA共重合体4.0gとヒドロキシプロピルセルロース(NISSO HPC-L(登録商標)、日本曹達(株)製)1.0gを62.5gの精製水に溶解させてコーティング液を作製した。
PVA共重合体5.0gを62.5gの精製水に溶解してコーティング液を作製した。
HPMC(TC-5R(登録商標)、信越化学工業(株)製、重量平均分子量35600g/mol)5.0gを62.5gの精製水に溶解して、コーティング液を作製した。
ドラフトチューブ付き噴流層コーティング装置(Grow Max 140 不二パウダル(株)製)を用いて、錠剤径Φ8.1mm、重量195mgの素錠50gにコーティングを行った。
実施例A~Gおよび比較例Aのコーティング液を用いて、上記錠剤にコーティングする際の速度の比較検討を行った。結果を表1に示す。なお、コーティング液が無くなった時点でコーティング終了とした。
上記実施例A~H及び比較例A~Bのコーティング液を用いてコーティングしたコーティング錠について、40℃の乾燥機で2日間乾燥させた後、25℃75%RH(相対湿度)の条件下で保存し、各時間経過後の錠剤の含水率の増加を重量変化より算出した。
Claims (10)
- (A)ポリビニルアルコール及び/又はその誘導体の存在下、少なくとも1種の重合性ビニル単量体を重合又は共重合した重合体又は共重合体、及び、
(B)セルロース系高分子
を含むことを特徴とするコーティング用組成物。 - 重合性ビニル単量体が、不飽和カルボン酸類又はその塩類、及び不飽和カルボン酸のエステル類からなる群より選択されるものである、請求項1に記載のコーティング用組成物。
- 重合性ビニル単量体が、下記一般式[1]
H2C=C(R1)-COOR2 [1]
〔式中、R1は水素原子またはメチル基を示し、R2は水素原子または1~4個の炭素原子を有するアルキル基を示す。〕
で表される化合物又はその塩である、
請求項1に記載のコーティング用組成物。 - (A)の重合体又は共重合体が、
ポリビニルアルコール及び/又はその誘導体の存在下、
(I)アクリル酸、メタクリル酸、これらのナトリウム塩、カリウム塩、アンモニウム塩、及びアルキルアミン塩からなる群より選択される少なくとも1種、並びに
(II)メチルメタクリレート、メチルアクリレート、エチルメタクリレート、エチルアクリレート、プロピルメタクリレート、プロピルアクリレート、ブチルメタクリレート、ブチルアクリレート、イソブチルメタクリレート、及びイソブチルアクリレートからなる群より選択される少なくとも1種の重合性ビニル単量体
を重合又は共重合した重合体又は共重合体である、請求項1に記載のコーティング用組成物。 - (II)がメチルメタクリレートである、請求項5に記載のコーティング用組成物。
- セルロース系高分子が、ヒドロキシプロピルメチルセルロース、ヒドロキシプロピルセルロース、メチルセルロース、及びヒドロキシエチルセルロースからなる群より選ばれる少なくとも1種であることを特徴とする請求項1~5のいずれかに記載のコーティング用組成物。
- 前記(A)と(B)の比率が、重量比で、(A):(B)=1:0.02~2.5程度である請求項1~6のいずれかに記載のコーティング用組成物。
- 請求項1~7のいずれかに記載のコーティング用組成物を固形製剤にコーティングしたコーティング製剤。
- 項1~7のいずれかに記載のコーティング用組成物を固形製剤に塗布する工程を含む、コーティング製剤を製造する方法。
- 項1~7のいずれかに記載のコーティング用組成物を固形製剤に塗布する工程を含む、固形製剤をコーティングする方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/392,252 US20120157580A1 (en) | 2009-08-31 | 2010-08-31 | Coating composition |
| EP10812081.7A EP2474324A4 (en) | 2009-08-31 | 2010-08-31 | COATING COMPOSITION |
| JP2011528906A JP5730205B2 (ja) | 2009-08-31 | 2010-08-31 | コーティング用組成物 |
| CN201080036911XA CN102470177A (zh) | 2009-08-31 | 2010-08-31 | 包衣用组合物 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009200248 | 2009-08-31 | ||
| JP2009-200248 | 2009-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2011025035A1 true WO2011025035A1 (ja) | 2011-03-03 |
| WO2011025035A9 WO2011025035A9 (ja) | 2011-06-23 |
Family
ID=43628123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2010/064815 Ceased WO2011025035A1 (ja) | 2009-08-31 | 2010-08-31 | コーティング用組成物 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120157580A1 (ja) |
| EP (1) | EP2474324A4 (ja) |
| JP (1) | JP5730205B2 (ja) |
| KR (1) | KR20120083364A (ja) |
| CN (1) | CN102470177A (ja) |
| WO (1) | WO2011025035A1 (ja) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013063964A (ja) * | 2011-08-30 | 2013-04-11 | Daiichi Sankyo Healthcare Co Ltd | イブプロフェンを含有するフィルムコーティング製剤 |
| WO2013125611A1 (ja) * | 2012-02-23 | 2013-08-29 | 日本ゼオン株式会社 | 燃料電池セパレーター用水系導電性ペースト |
| JP2014080418A (ja) * | 2012-09-27 | 2014-05-08 | Sanwa Kagaku Kenkyusho Co Ltd | アナグリプチン又はその塩を含有する固形製剤 |
| JP2016056208A (ja) * | 2016-01-15 | 2016-04-21 | 日本酢ビ・ポバール株式会社 | フィルムコーティング組成物並びに経口固形製剤及びその製造方法 |
| JPWO2016072179A1 (ja) * | 2014-11-05 | 2017-08-17 | 日本酢ビ・ポバール株式会社 | フィルムコーティング組成物並びに経口固形製剤及びその製造方法 |
| JP2020523457A (ja) * | 2017-06-15 | 2020-08-06 | ケミラ ユルキネン オサケイティエKemira Oyj | バリアコーティング組成物、シート状製品及びその使用 |
| JP2020176107A (ja) * | 2019-04-18 | 2020-10-29 | 共和薬品工業株式会社 | 吸湿性成分を含むコーティング錠 |
| JP2022031068A (ja) * | 2020-08-07 | 2022-02-18 | キョーリンリメディオ株式会社 | ラメルテオン含有被覆錠 |
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| KR102111607B1 (ko) | 2018-03-28 | 2020-05-15 | 주식회사 엘지화학 | 용출 제어형 비료 |
| WO2019190104A1 (ko) * | 2018-03-28 | 2019-10-03 | 주식회사 엘지화학 | 용출 제어형 비료 |
| CN109232795A (zh) * | 2018-09-21 | 2019-01-18 | 佛山市森昂生物科技有限公司 | 一种防水型高韧性包衣材料的制备方法 |
| JP7165626B2 (ja) * | 2019-06-06 | 2022-11-04 | 信越化学工業株式会社 | インクジェット印刷を行う錠剤向けのコーティング用組成物、これを用いた水性インクによる印字を有する錠剤及びその製造方法 |
| CN114699448A (zh) * | 2022-03-21 | 2022-07-05 | 广东省惠州市中药厂有限公司 | 糖衣片剂及其制备方法 |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63258966A (ja) * | 1987-04-15 | 1988-10-26 | Toyo Ink Mfg Co Ltd | 高親水性塗料 |
| JPH02105873A (ja) * | 1988-10-14 | 1990-04-18 | Toyo Ink Mfg Co Ltd | 高親水性塗料 |
| JPH07188585A (ja) * | 1993-12-27 | 1995-07-25 | Kobe Steel Ltd | 微細繊維含有親水化処理剤および該処理剤によって処理された熱交換器用AlまたはAl合金製フィン材 |
| JPH07216259A (ja) * | 1994-01-27 | 1995-08-15 | Kobe Steel Ltd | 親水性被覆の形成された表面被覆物および親水性付与のための表面被覆用組成物 |
| WO2002017848A1 (fr) | 2000-08-29 | 2002-03-07 | Nisshin Kasei Co., Ltd. | Capsule en dur |
| JP2002316928A (ja) * | 2001-04-17 | 2002-10-31 | Lion Corp | コーティング錠及びコーティング錠のはがれを防止する方法 |
| WO2005019286A1 (ja) | 2003-08-20 | 2005-03-03 | Shionogi & Co., Ltd. | 新規コーティング組成物 |
| WO2008006528A2 (en) * | 2006-07-13 | 2008-01-17 | Ucb Pharma, S.A. | Pharmaceutical compositions comprising levetiracetam |
| JP2008074770A (ja) * | 2006-09-21 | 2008-04-03 | Kyoto Pharmaceutical Industries Ltd | 臭いの防止された固形医薬製剤の製造方法、及びそれにより得られる固形医薬製剤 |
| JP2009023943A (ja) * | 2007-07-19 | 2009-02-05 | Kyoto Pharmaceutical Industries Ltd | フィルムコーティング方法 |
| WO2009057569A1 (ja) * | 2007-10-29 | 2009-05-07 | Daiichi Sankyo Company, Limited | フィルムコーティング製剤 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4525347A (en) * | 1978-06-17 | 1985-06-25 | Kowa Company Limited | Antiinflammatory analgesic gelled ointment |
| FR2698560B1 (fr) * | 1992-11-30 | 1995-02-03 | Virbac Laboratoires | Principes actifs pulvérulents stabilisés, compositions les contenant, leur procédé d'obtention et leurs applications. |
| JP2959423B2 (ja) * | 1994-12-01 | 1999-10-06 | シオノギクオリカプス株式会社 | カプセル用皮膜組成物 |
| US6419956B1 (en) * | 1999-12-30 | 2002-07-16 | Ancile Pharmaceuticals | Odor-masking coating for a pharmaceutical preparation |
| KR100439156B1 (ko) * | 2001-07-05 | 2004-07-05 | 주식회사 에스앤지바이오텍 | 약물 방출 스텐트용 코팅 조성물 및 이의 제조 방법 |
| EP2140883B1 (en) * | 2007-04-20 | 2012-10-31 | Daido Chemical Corporation | Novel base for dry solid dispersion, solid dispersion containing the base, and composition containing the dispersion |
-
2010
- 2010-08-31 KR KR1020127008187A patent/KR20120083364A/ko not_active Withdrawn
- 2010-08-31 CN CN201080036911XA patent/CN102470177A/zh active Pending
- 2010-08-31 US US13/392,252 patent/US20120157580A1/en not_active Abandoned
- 2010-08-31 WO PCT/JP2010/064815 patent/WO2011025035A1/ja not_active Ceased
- 2010-08-31 EP EP10812081.7A patent/EP2474324A4/en not_active Withdrawn
- 2010-08-31 JP JP2011528906A patent/JP5730205B2/ja active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63258966A (ja) * | 1987-04-15 | 1988-10-26 | Toyo Ink Mfg Co Ltd | 高親水性塗料 |
| JPH02105873A (ja) * | 1988-10-14 | 1990-04-18 | Toyo Ink Mfg Co Ltd | 高親水性塗料 |
| JPH07188585A (ja) * | 1993-12-27 | 1995-07-25 | Kobe Steel Ltd | 微細繊維含有親水化処理剤および該処理剤によって処理された熱交換器用AlまたはAl合金製フィン材 |
| JPH07216259A (ja) * | 1994-01-27 | 1995-08-15 | Kobe Steel Ltd | 親水性被覆の形成された表面被覆物および親水性付与のための表面被覆用組成物 |
| WO2002017848A1 (fr) | 2000-08-29 | 2002-03-07 | Nisshin Kasei Co., Ltd. | Capsule en dur |
| JP2002316928A (ja) * | 2001-04-17 | 2002-10-31 | Lion Corp | コーティング錠及びコーティング錠のはがれを防止する方法 |
| WO2005019286A1 (ja) | 2003-08-20 | 2005-03-03 | Shionogi & Co., Ltd. | 新規コーティング組成物 |
| WO2008006528A2 (en) * | 2006-07-13 | 2008-01-17 | Ucb Pharma, S.A. | Pharmaceutical compositions comprising levetiracetam |
| JP2008074770A (ja) * | 2006-09-21 | 2008-04-03 | Kyoto Pharmaceutical Industries Ltd | 臭いの防止された固形医薬製剤の製造方法、及びそれにより得られる固形医薬製剤 |
| JP2009023943A (ja) * | 2007-07-19 | 2009-02-05 | Kyoto Pharmaceutical Industries Ltd | フィルムコーティング方法 |
| WO2009057569A1 (ja) * | 2007-10-29 | 2009-05-07 | Daiichi Sankyo Company, Limited | フィルムコーティング製剤 |
Non-Patent Citations (2)
| Title |
|---|
| "General Rules for Preparations of the Japanese Pharmacopoeia" |
| See also references of EP2474324A4 |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013063964A (ja) * | 2011-08-30 | 2013-04-11 | Daiichi Sankyo Healthcare Co Ltd | イブプロフェンを含有するフィルムコーティング製剤 |
| WO2013125611A1 (ja) * | 2012-02-23 | 2013-08-29 | 日本ゼオン株式会社 | 燃料電池セパレーター用水系導電性ペースト |
| JPWO2013125611A1 (ja) * | 2012-02-23 | 2015-07-30 | 日本ゼオン株式会社 | 燃料電池セパレーター用水系導電性ペースト |
| JP2014080418A (ja) * | 2012-09-27 | 2014-05-08 | Sanwa Kagaku Kenkyusho Co Ltd | アナグリプチン又はその塩を含有する固形製剤 |
| US11020353B2 (en) | 2014-11-05 | 2021-06-01 | Japan Vam & Poval Co., Ltd. | Film coating composition, solid oral formulation, and method for producing the same |
| JPWO2016072179A1 (ja) * | 2014-11-05 | 2017-08-17 | 日本酢ビ・ポバール株式会社 | フィルムコーティング組成物並びに経口固形製剤及びその製造方法 |
| JP2019178173A (ja) * | 2014-11-05 | 2019-10-17 | 日本酢ビ・ポバール株式会社 | フィルムコーティング組成物並びに経口固形製剤及びその製造方法 |
| JP7062618B2 (ja) | 2014-11-05 | 2022-05-06 | 日本酢ビ・ポバール株式会社 | フィルムコーティング組成物並びに経口固形製剤及びその製造方法 |
| JP2016056208A (ja) * | 2016-01-15 | 2016-04-21 | 日本酢ビ・ポバール株式会社 | フィルムコーティング組成物並びに経口固形製剤及びその製造方法 |
| US11525218B2 (en) | 2017-06-15 | 2022-12-13 | Kemira Oyj | Barrier coating composition, sheet-like product and its use |
| JP2020523457A (ja) * | 2017-06-15 | 2020-08-06 | ケミラ ユルキネン オサケイティエKemira Oyj | バリアコーティング組成物、シート状製品及びその使用 |
| JP7193483B2 (ja) | 2017-06-15 | 2022-12-20 | ケミラ ユルキネン オサケイティエ | バリアコーティング組成物、シート状製品及びその使用 |
| JP2020176107A (ja) * | 2019-04-18 | 2020-10-29 | 共和薬品工業株式会社 | 吸湿性成分を含むコーティング錠 |
| JP7541319B2 (ja) | 2019-04-18 | 2024-08-28 | 共和薬品工業株式会社 | 吸湿性成分を含むコーティング錠 |
| JP2022031068A (ja) * | 2020-08-07 | 2022-02-18 | キョーリンリメディオ株式会社 | ラメルテオン含有被覆錠 |
| JP7598213B2 (ja) | 2020-08-07 | 2024-12-11 | キョーリンリメディオ株式会社 | ラメルテオン含有被覆錠 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2474324A1 (en) | 2012-07-11 |
| WO2011025035A9 (ja) | 2011-06-23 |
| CN102470177A (zh) | 2012-05-23 |
| JP5730205B2 (ja) | 2015-06-03 |
| US20120157580A1 (en) | 2012-06-21 |
| JPWO2011025035A1 (ja) | 2013-01-31 |
| EP2474324A4 (en) | 2013-08-28 |
| KR20120083364A (ko) | 2012-07-25 |
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