WO2022114745A1 - 이소프탈레이트계 가소제 조성물 및 이를 포함하는 수지 조성물 - Google Patents
이소프탈레이트계 가소제 조성물 및 이를 포함하는 수지 조성물 Download PDFInfo
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- WO2022114745A1 WO2022114745A1 PCT/KR2021/017323 KR2021017323W WO2022114745A1 WO 2022114745 A1 WO2022114745 A1 WO 2022114745A1 KR 2021017323 W KR2021017323 W KR 2021017323W WO 2022114745 A1 WO2022114745 A1 WO 2022114745A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0016—Plasticisers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of 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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Definitions
- the present invention relates to a plasticizer composition
- a plasticizer composition comprising isophthalate and di(2-ethylhexyl) terephthalate derived from a mixed alcohol of isomers of hexyl alcohol, and a resin composition comprising the same.
- plasticizers allow alcohols to react with polycarboxylic acids such as phthalic acid and adipic acid to form the corresponding esters.
- polycarboxylic acids such as phthalic acid and adipic acid
- plasticizer compositions that can replace phthalate-based plasticizers such as terephthalate, adipate, and other polymer-based plasticizers is continuing.
- additives such as plasticizers, fillers, stabilizers, viscosity reducing agents, dispersants, defoamers, foaming agents, etc. will do
- plasticizer compositions applicable to PVC when di(2-ethylhexyl) terephthalate (DEHTP), which is relatively inexpensive and most commonly used, is applied, hardness or sol viscosity is high and the absorption rate of the plasticizer is relatively slow, and the transferability and stress transferability were not good.
- DEHTP di(2-ethylhexyl) terephthalate
- composition containing DEHTP it may be considered to apply the product of the transesterification reaction with butanol as a plasticizer, but the plasticization efficiency is improved, but the loss of heating or thermal stability is poor, and mechanical properties Improvement of physical properties is required, such as a slight decrease in this, and there is currently no solution other than adopting a method to compensate for this through mixing with other secondary plasticizers in general.
- the present invention is dihexyl isophthalate, wherein the hexyl group has an alkyl group derived from a mixture of hexyl alcohol isomers and di(2-ethylhexyl) terephthalate.
- Another object of the present invention is to provide a plasticizer composition having a low initial sol viscosity and a small change in sol viscosity with time, which has excellent viscosity stability.
- the present invention provides a plasticizer composition.
- the present invention includes dihexyl isophthalate and di(2-ethylhexyl) terephthalate, wherein the hexyl group of the dihexyl isophthalate is derived from a mixture of isomers of hexyl alcohol, and the mixture of isomers of hexyl alcohol is 1 -hexanol, 1-methylpentanol, 2-methylpentanol, 3-methylpentanol, 4-methylpentanol, 1,1-dimethylbutanol, 1,2-dimethylbutanol, 1,3-dimethylbutanol, 2 ,2-Dimethylbutanol, 2,3-dimethylbutanol, 3,3-dimethylbutanol, 1-ethylbutanol, 2-ethylbutanol, 3-ethylbutanol and cyclopentyl methanol comprising two or more selected from the group consisting of A plasticizer composition is provided.
- the present invention provides a plasticizer composition according to (1), wherein the isomer mixture of hexyl alcohol includes 1-hexanol and 2-methylpentanol.
- the present invention provides a plasticizer composition according to (1) or (2), wherein the isomer mixture of hexyl alcohol contains 40 parts by weight or more of branched alcohol with respect to 100 parts by weight of the isomer mixture do.
- the present invention is the plasticizer composition according to any one of (1) to (5), wherein the dihexyl isophthalate and di(2-ethylhexyl) terephthalate have a weight ratio of 90:10 to 10:90.
- the present invention is the plasticizer composition according to any one of (1) to (6), wherein the isomer mixture of hexyl alcohol comprises 1-hexanol, 2-methylpentanol and 3-methylpentanol.
- the present invention provides a resin composition comprising 100 parts by weight of a resin and 5 to 150 parts by weight of the plasticizer composition according to any one of (1) to (7).
- the resin is a straight vinyl chloride polymer, a paste vinyl chloride polymer, an ethylene vinyl acetate copolymer, an ethylene polymer, a propylene polymer, a polyketone, a polystyrene, a polyurethane, a polylactic acid, It provides a resin composition that is at least one selected from the group consisting of natural rubber and synthetic rubber.
- the plasticizer composition according to an embodiment of the present invention When used in a resin composition, the tensile strength and elongation may be improved and migration resistance may be complied with while having the same plasticizing efficiency.
- the plasticizer composition according to the present invention may have excellent viscosity stability due to a low initial sol viscosity and a small change in sol viscosity with time.
- composition includes reaction products and decomposition products formed from materials of the composition, as well as mixtures of materials comprising the composition.
- straight vinyl chloride polymer as used herein, as one of the types of vinyl chloride polymer, may mean polymerized through suspension polymerization or bulk polymerization, and has a size of tens to hundreds of micrometers.
- paste vinyl chloride polymer as used herein, as one of the types of vinyl chloride polymer, may mean polymerized through microsuspension polymerization, microseed polymerization, or emulsion polymerization, It is a polymer in the form of fine, dense void-free particles having a size of several thousand nanometers, and refers to a polymer with poor flowability and cohesiveness.
- compositions claimed through use of the term 'comprising' unless stated to the contrary, contain any additional additives, adjuvants, or compounds, whether polymeric or otherwise. may include
- the term 'consisting essentially of' excludes from the scope of any subsequent description any other component, step or procedure, except as not essential to operability.
- the term 'consisting of' excludes any component, step or procedure not specifically described or listed.
- the content analysis of the components in the composition is performed through gas chromatography measurement, and Agilent's gas chromatography instrument (product name: Agilent 7890 GC, column: HP-5, carrier gas: helium (flow rate 2.4 mL/min)) , detector: F.I.D, injection volume: 1uL, initial value: 70°C/4.2min, end value: 280°C/7.8min, program rate: 15°C/min).
- 'hardness' refers to the shore hardness (Shore “A” and/or Shore “D”) at 25° C. using ASTM D2240, measured under the conditions of 3T 10s, and plasticized It can be an index to evaluate the efficiency, and the lower it is, the better the plasticization efficiency is.
- 'tensile strength' is a crosshead speed of 200 mm/min (1T) using a test device, U.T.M (manufacturer; Instron, model name; 4466), according to the ASTM D638 method. ), measure the point at which the specimen is cut, and calculate by Equation 1 below.
- Tensile strength (kgf/cm 2 ) load value (kgf) / thickness (cm) x width (cm)
- the 'elongation rate' refers to the point at which the specimen is cut after pulling the crosshead speed to 200 mm/min (1T) using the U.T.M according to the ASTM D638 method. Then, it is calculated by Equation 2 below.
- Elongation (%) length after stretching / initial length x 100
- 'migration loss' refers to obtaining a test piece having a thickness of 2 mm or more according to KSM-3156, attaching a glass plate to both sides of the test piece, and then applying a load of 1 kgf/cm 2 . After leaving the test piece in a hot air circulation oven (80°C) for 72 hours, take it out and cool it at room temperature for 4 hours. Then, after removing the Glass Plate attached to both sides of the test piece, measure the weight before and after leaving the Glass Plate and the Specimen Plate in the oven to calculate the transfer loss by Equation 3 below.
- Transition loss (%) ⁇ [(Initial specimen weight) - (Specimen weight after leaving the oven)] / (Initial specimen weight) ⁇ x 100
- 'volatile loss' refers to measuring the weight of the specimen after working the specimen at 80° C. for 72 hours.
- Loss on heating (%) ⁇ [(initial specimen weight) - (test specimen weight after work)] / (initial specimen weight) ⁇ x 100
- the plasticizer composition comprises dihexyl isophthalate and di(2-ethylhexyl) terephthalate, wherein the hexyl group of the dihexyl isophthalate is derived from a mixture of isomers of hexyl alcohol. do.
- the isomer mixture of the hexyl alcohol of the plasticizer composition is 1-hexanol, 1-methylpentanol, 2-methylpentanol, 3-methylpentanol, 4-methylpentanol, 1 ,1-dimethylbutanol, 1,2-dimethylbutanol, 1,3-dimethylbutanol, 2,2-dimethylbutanol, 2,3-dimethylbutanol, 3,3-dimethylbutanol, 1-ethylbutanol, 2-ethylbutanol , 3-ethylbutanol and cyclopentyl methanol include two or more selected from the group consisting of.
- the alkyl group of the dihexyl isophthalate may be determined, and in the final composition, two or one isomeric alkyl groups of hexyl alcohol are bonded to the two alkyl groups, respectively, or not bonded.
- a variety of compositions may be included, and the proportions of the components in the final composition may be determined according to the component proportions of the reacting alcohols.
- the hexyl alcohol isomer mixture of the plasticizer composition according to an embodiment of the present invention may have a degree of branching of 2.0 or less, preferably 1.5 or less. Specifically, the degree of branching may be 1.5 or less, 1.3 or less, and more preferably 1.1 or less. Also, it may be 0.1 or more, may be 0.2 or more, may be 0.3 or more, and most preferably may be 0.7 or more.
- the degree of branching of this isomer mixture of hexyl alcohol can be maintained even when converted to dihexyl isophthalate through an esterification reaction. If the degree of branching exceeds 2.0, the balance between physical properties may be broken and the product may fail to meet one or more evaluation criteria. and the balance between physical properties may be excellent.
- the degree of branching may mean how many branched carbons the alkyl groups bonded to the material included in the composition have, and the degree may be determined according to the weight ratio of the material. For example, assuming that the alcohol mixture contains 60% by weight of n-hexyl alcohol, 30% by weight of methylpentyl alcohol, and 10% by weight of ethylbutyl alcohol, the number of branching carbons of each alcohol is 0, 1, and 2, respectively. , the degree of branching may be 0.5 calculated as [(60x0)+(30x1)+(10x2)] / 100.
- the number of branching carbons is considered to be zero.
- the plasticizer composition according to an embodiment of the present invention may include 1-hexanol and 2-methylpentanol in a mixture of hexyl alcohol isomers, and in this case, excellent effects can be obtained in terms of migration resistance and heat loss.
- the branched hexyl alcohol containing 2-methylpentanol may be included in an amount of 30 parts by weight or more, 40 parts by weight or more, 50 parts by weight or more, preferably 60 parts by weight or more, 70 parts by weight or more based on 100 parts by weight of the isomer mixture. More than one may be included.
- the maximum amount may be all branched, and may include 99 parts by weight or less, 98 parts by weight or less, and preferably 95 parts by weight or less, or 90 parts by weight or less.
- the linear alcohol of 1-hexanol may be included in an amount of 50 parts by weight or less based on 100 parts by weight of the isomer mixture, and may be 40 parts by weight or less, preferably 30 parts by weight or less.
- the 1-hexanol may not be present in the component, but may be included in at least 2 parts by weight or more, and in this case, the mechanical properties may be improved while maintaining the balance between the physical properties.
- the plasticizer composition according to an embodiment of the present invention may include 1-hexanol, 2-methylpentanol and 3-methylpentanol in the isomer mixture of hexyl alcohol, and further include 3-methylpentanol Heat loss can be further improved while maintaining liver balance.
- 3-methylpentanol may be included as a component of the branched hexyl alcohol so that the aforementioned branched hexyl alcohol content is satisfied.
- the mixture of isomers of hexyl alcohol may further contain cyclopentyl methanol, and through this, an effect of complementing transition resistance and stress transferability can be expected.
- the cyclopentyl methanol may each independently be 20 parts by weight or less based on 100 parts by weight of the isomer mixture, preferably 15 parts by weight or less, more preferably 10 parts by weight or less, and does not exist, or the effect thereof is not present.
- the minimum amount to be obtained may be 2 parts by weight.
- the dihexyl isophthalate according to an embodiment of the present invention is mixed with di(2-ethylhexyl) terephthalate and applied as a plasticizer.
- Di(2-ethylhexyl) terephthalate may be used in combination with the dihexyl isophthalate, thereby supplementing the mechanical properties and thermal stability of dihexyl isophthalate.
- dihexyl phthalate is used instead of dihexyl isophthalate, it is not a regulated material due to environmental issues, but it contains potential environmental problems and thus has many restrictions on use, as well as tensile strength and elongation compared to isophthalate. Since the mechanical properties are very poor and the plasticizing efficiency is also at a low level, it is not appropriate.
- the plasticizer composition according to an embodiment of the present invention is characterized in that dihexyl isophthalate and di(2-ethylhexyl) terephthalate having the above-described characteristics are mixed.
- the mixing weight ratio may be 90:10 to 10:90, and various other weight ratios may be applied. can be applied, and 15:85, 20:80, 25:75, 30:70, 35:65, 40:60 or 50:50 can be applied as a lower limit.
- dihexyl isophthalate and di(2-ethylhexyl) terephthalate are mixed and used within the above-mentioned weight ratio range, overall physical properties can be maintained at a well-balanced and excellent level without significantly inferior in any one property.
- plasticizer composition when di(2-ethylhexyl) terephthalate is contained in the same or more than dihexyl isophthalate, it may be particularly advantageous in terms of mechanical properties and reduced heating.
- the method for preparing a plasticizer composition according to an embodiment of the present invention is a method known in the art, and may be applied without particular limitation if it can prepare the above-described plasticizer composition.
- the composition may be prepared by direct esterification of an isomer mixture of isophthalic acid or anhydride thereof and hexyl alcohol, and the isomeric mixture of isophthalate and hexyl alcohol is transesterified.
- the composition may be prepared by chemical reaction.
- the plasticizer composition according to an embodiment of the present invention is a material prepared by appropriately performing the esterification reaction, and it satisfies the above-mentioned conditions, in particular, control of the ratio of branched alcohol in isomer mixed alcohol and a specific component. If it is, there is no particular limitation on the manufacturing method.
- the direct esterification reaction comprises the steps of adding isophthalic acid or a derivative thereof and two or more mixed alcohols, then adding a catalyst and reacting in a nitrogen atmosphere; removing unreacted raw materials; neutralizing (or deactivating) unreacted raw materials and catalyst; and filtering to remove impurities (eg, vacuum distillation, etc.).
- the components and weight ratios of the components of the isomer mixture of hexyl alcohol are the same as described above.
- the isomer mixture of the alcohol may be used within the range of 200 to 900 mol%, 200 to 700 mol%, 200 to 600 mol%, 250 to 500 mol%, or 270 to 400 mol% based on 100 mol% of the acid, By controlling the content of alcohol, it is possible to control the component ratio in the final composition.
- the catalyst is, for example, sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid, para-toluenesulfonic acid, methanesulfonic acid, ethanesulfonic acid, propanesulfonic acid, butanesulfonic acid, an acid catalyst such as alkyl sulfuric acid, aluminum lactate, lithium fluoride, potassium chloride, cesium chloride, calcium chloride, It may be at least one selected from metal salts such as iron chloride and aluminum phosphate, metal oxides such as heteropolyacids, natural/synthetic zeolites, cation and anion exchange resins, tetraalkyl titanate and organic metals such as polymers thereof. As a specific example, the catalyst may be tetraalkyl titanate.
- para-toluenesulfonic acid, methanesulfonic acid, etc. may be suitable as the acid catalyst having a low activation temperature.
- the amount of catalyst used may vary depending on the type, for example, in the case of a homogeneous catalyst, 0.01 to 5% by weight, 0.01 to 3% by weight, 1 to 5% by weight, or 2 to 4% by weight based on 100% by weight of the total reactant. and in the case of a heterogeneous catalyst, it may be in the range of 5 to 200 wt%, 5 to 100 wt%, 20 to 200 wt%, or 20 to 150 wt% of the total amount of reactants.
- reaction temperature may be in the range of 100 °C to 280 °C, 100 °C to 250 °C, or 120 °C to 230 °C.
- isophthalate in the transesterification reaction, isophthalate may be reacted with an alcohol having an alkyl radical different from the alkyl radical of the isophthalate.
- the alkyl group of the isophthalate and the alcohol may cross each other.
- transesterification reaction refers to a reaction in which an alcohol and an ester react as shown in Scheme 1 below, and an alkyl of an ester and an alkyl of an alcohol are exchanged with each other.
- the composition ratio of the mixture may be controlled according to the amount of alcohol added.
- the alcohol may be added in an amount of 0.1 to 200 parts by weight, specifically 1 to 150 parts by weight, and more specifically 5 to 100 parts by weight based on 100 parts by weight of isophthalate.
- determining the component ratio in the final composition may be the amount of alcohol added as in the direct esterification reaction.
- the transesterification reaction is carried out at a reaction temperature of 120°C to 190°C, preferably 135°C to 180°C, more preferably 141°C to 179°C for 10 minutes to 10 hours, preferably Preferably, it is carried out in 30 minutes to 8 hours, more preferably in 1 to 6 hours.
- the reaction time may be calculated from the point at which the reaction temperature is reached after the reactant is heated.
- the transesterification reaction may be carried out under an acid catalyst or a metal catalyst, and in this case, the reaction time is shortened.
- the acid catalyst may be, for example, sulfuric acid, methanesulfonic acid, or p-toluenesulfonic acid
- the metal catalyst may be, for example, an organometallic catalyst, a metal oxide catalyst, a metal salt catalyst, or a metal itself.
- the metal component may be, for example, any one selected from the group consisting of tin, titanium, and zirconium, or a mixture of two or more thereof.
- Di(2-ethylhexyl) terephthalate can be prepared in the same manner as described above, and dihexyl isophthalate and di(2-ethylhexyl) terephthalate are mixed according to the above-mentioned weight ratio.
- a plasticizer composition according to an embodiment may be prepared.
- a resin composition comprising the above-described plasticizer composition and resin.
- a resin known in the art may be used.
- a resin known in the art may be used.
- One or more selected mixtures may be used, but the present invention is not limited thereto.
- the plasticizer composition may be included in an amount of 5 to 150 parts by weight, preferably 5 to 130 parts by weight, or 10 to 120 parts by weight based on 100 parts by weight of the resin.
- the resin in which the plasticizer composition is used may be manufactured into a resin product through melt processing or plastisol processing, and the melt processing resin and the plastisol processing resin may be produced differently according to each polymerization method.
- a vinyl chloride polymer when used for melt processing, solid resin particles with a large average particle diameter are used because it is prepared by suspension polymerization, etc., and this vinyl chloride polymer is called a straight vinyl chloride polymer, and is used for plastisol processing.
- a resin in a sol state is used as fine resin particles prepared by emulsion polymerization, etc., and such a vinyl chloride polymer is called a paste vinyl chloride resin.
- the plasticizer in the case of the straight vinyl chloride polymer, is preferably included in the range of 5 to 80 parts by weight based on 100 parts by weight of the polymer, and in the case of the paste vinyl chloride polymer, in the range of 40 to 120 parts by weight based on 100 parts by weight of the polymer. It is preferable to include in
- the resin composition may further include a filler.
- the filler may be 0 to 300 parts by weight, preferably 50 to 200 parts by weight, more preferably 100 to 200 parts by weight based on 100 parts by weight of the resin.
- any filler known in the art may be used, and the filler is not particularly limited.
- the filler may be a mixture of one or more selected from silica, magnesium carbonate, calcium carbonate, coal, talc, magnesium hydroxide, titanium dioxide, magnesium oxide, calcium hydroxide, aluminum hydroxide, aluminum silicate, magnesium silicate and barium sulfate.
- the resin composition may further include other additives such as a stabilizer, if necessary.
- additives such as the stabilizer may be, for example, 0 to 20 parts by weight, preferably 1 to 15 parts by weight, based on 100 parts by weight of the resin.
- the stabilizer may be, for example, a calcium-zinc (Ca-Zn-based) stabilizer or a barium-zinc (Ba-Zn-based) stabilizer such as a calcium-zinc complex stearate salt, but is not particularly limited thereto. not.
- the resin composition may be applied to both melt processing and plastisol processing as described above, for example, melt processing may include calendering processing, extrusion processing, or injection processing, and plastisol processing may include coating processing, etc. This can be applied.
- distillation extraction was performed under reduced pressure. After distillation extraction, di (n-hexyl) isophthalate (DnHIP), (n-hexyl) (2-methylpentyl) isophthalate (nH2MPIP) and di (2-methylpentyl) through a neutralization process, dehydration process and filtration process A composition comprising isophthalate (D2MPIP) was obtained.
- DnHIP di (n-hexyl) isophthalate
- nH2MPIP (2-methylpentyl) isophthalate
- D2MPIP di (2-methylpentyl)
- Di (n-hexyl) was carried out in the same manner as in Preparation Example 1-1, except that 1,170 g of a mixture in which n-hexanol and 2-methylpentanol were mixed with hexanol in a weight ratio of 7:3 was used.
- a composition comprising isophthalate (DnHIP), (n-hexyl)(2-methylpentyl) isophthalate (nH2MPIP) and di(2-methylpentyl) isophthalate (D2MPIP) was obtained.
- Di (n-hexyl) was carried out in the same manner as in Preparation Example 1-1, except that 1,170 g of a mixture in which n-hexanol and 2-methylpentanol were mixed with hexanol in a weight ratio of 9:1 was used.
- a composition comprising isophthalate (DnHIP), (n-hexyl)(2-methylpentyl) isophthalate (nH2MPIP) and di(2-methylpentyl) isophthalate (D2MPIP) was obtained.
- DnHTP di(2-ethylhexyl) terephthalate
- a composition including di(2-methylpentyl) isophthalate (D2MPIP) was obtained in the same manner as in Preparation Example 1-1, except that 1,170 g of 2-methylpentanol was used as hexanol.
- a composition including dibutyl isophthalate (DBIP) was obtained in the same manner as in Preparation Example 1-1, except that 1,170 g of n-butanol was used instead of hexanol.
- DBIP dibutyl isophthalate
- a composition including diheptyl terephthalate (DHpTP) was obtained in the same manner as in Preparation Example 2, except that 1,170 g of n-heptanol was used instead of 2-ethylhexanol.
- Dihexyl isophthalate (mixture) of Preparation Example 1-1 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 1:9 to obtain a plasticizer composition.
- Dihexyl isophthalate (mixture) of Preparation Example 1-1 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 2:8 to obtain a plasticizer composition.
- Dihexyl isophthalate (mixture) of Preparation Example 1-1 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 3:7 to obtain a plasticizer composition.
- Dihexyl isophthalate (mixture) of Preparation Example 1-1 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 5:5 to prepare a plasticizer composition.
- Dihexyl isophthalate (mixture) of Preparation Example 1-1 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 7:3 to obtain a plasticizer composition.
- Dihexyl isophthalate (mixture) of Preparation Example 1-2 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 3:7 to prepare a plasticizer composition.
- Dihexyl isophthalate (mixture) of Preparation Example 1-3 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 3:7 to obtain a plasticizer composition.
- Dihexyl isophthalate (mixture) of Preparation Example 1-4 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 3:7 to obtain a plasticizer composition.
- Dihexyl isophthalate (mixture) of Preparation Example 1-5 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 3:7 to prepare a plasticizer composition.
- dioctyl phthalate (DOP) was used as a plasticizer composition.
- diisononyl phthalate (DINP) was used as a plasticizer composition.
- di(2-ethylhexyl) terephthalate (DEHTP, LGflex GL300) was used as a plasticizer composition.
- LGflex GL500 di(2-ethylhexyl) terephthalate (DEHTP), butyl (2-ethylhexyl) terephthalate (BEHTP) and dibutyl terephthalate (DBTP) manufactured by LG Chem was used as a plasticizer composition.
- Di(2-methylpentyl) isophthalate (D2MPIP) of Preparation Example 3 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 5:5 to prepare a plasticizer composition.
- Dibutyl isophthalate of Preparation Example 4 and di(2-ethylhexyl) terephthalate of Preparation Example 2 were mixed in a weight ratio of 3:7 to obtain a plasticizer composition.
- Dihexyl isophthalate (mixture) of Preparation Example 1-1 and diheptyl terephthalate (DHpTP) of Preparation Example 5 were mixed in a weight ratio of 5:5 to prepare a plasticizer composition.
- Hardness Using ASTM D2240, shore hardness (Shore “A” and “D” at 25° C. was measured for 10 seconds with a 3T specimen. The smaller the number, the better the plasticizing efficiency is. .
- Tensile strength (kgf/cm 2 ) load value (kgf) / thickness (cm) x width (cm)
- Elongation (%) length after stretching / was calculated as initial length x 100.
- a test piece having a thickness of 2 mm or more was obtained according to KSM-3156, and after attaching a glass plate to both sides of the 1T specimen, a load of 1 kgf/cm 2 was applied.
- the specimen was left in a hot air circulation oven (80° C.) for 72 hours, then taken out and cooled at room temperature for 4 hours. Then, after removing the glass plate attached to both sides of the test piece, the weight before and after leaving the glass plate and the specimen plate in the oven was measured to calculate the transfer loss by the following formula.
- Transition loss (%) [ ⁇ (initial weight of specimen at room temperature) - (weight of specimen after leaving in oven) ⁇ / (initial weight of specimen at room temperature)] x 100
- Loss on heating (%) [ ⁇ (initial specimen weight) - (test specimen weight after work) ⁇ / (initial specimen weight)] x 100 was calculated.
- the plasticizer compositions according to an embodiment of the present invention exhibited excellent mechanical properties without significant inferiority in terms of transition loss and heating loss while exhibiting an equivalent level of plasticization efficiency compared to conventional plasticizers. can confirm.
- Comparative Examples 1 and 2 are plasticizers that have been most commonly used as plasticizer products in the past, but are currently unavailable due to environmental regulations. It can be seen that there is no performance problem even if the plasticizer composition of the present invention is used to replace the existing plasticizer by showing the efficiency, and the plasticizer composition of the embodiment of the present invention shows somewhat inferior migration resistance and heat loss, but mechanical properties shows excellent results. Considering that the plasticizer compositions of Comparative Examples 1 and 2 are difficult to use due to current environmental regulations, it can be confirmed that the plasticizer composition of the present invention can sufficiently replace existing plasticizer products as eco-friendly products.
- Comparative Examples 3 and 4 are eco-friendly plasticizers replacing Comparative Examples 1 and 2, and Comparative Example 3 has excellent mechanical properties, although mechanical properties are similar to those of Examples, but migration resistance and plasticization efficiency are very poor. It can be inferred that the performance cannot be sufficiently expressed.
- Comparative Example 4 used only di(2-ethylhexyl) terephthalate, which is one of the components included in the plasticizer composition of the present invention, but did not show particularly excellent results in any one physical property, and overall poor results indicates
- Comparative Example 5 using only dihexyl isophthalate which is one of the components included in the plasticizer composition of the present invention, the plasticization efficiency is excellent, but it can be confirmed that the mechanical properties, migration resistance and heat loss are generally inferior. .
- the plasticizer composition of the present invention exhibits good physical properties while exhibiting excellent plasticizing efficiency and mechanical properties, which is an effect achieved by using a mixture of dihexyl isophthalate and di(2-ethylhexyl) terephthalate.
- Comparative Examples 6 and 7 used isophthalate derived from a single branched C6 alcohol instead of the dihexyl isophthalate used in the composition of the present invention (Comparative Example 6), or derived from a C4 alcohol.
- isophthalate In the case of using isophthalate (Comparative Example 7), in the case of Comparative Example 6, mechanical properties deteriorated as the structure of the hexyl group included in dihexyl isophthalate was not varied.
- Comparative Example 8 uses diheptyl terephthalate instead of di(2-ethylhexyl) terephthalate used in the composition of Examples of the present invention. It can be seen that Comparative Example 8 also has inferior mechanical properties and heat loss. , From this, it can be seen that the effect implemented in the plasticizer composition of the present invention is implemented according to the specific type of the component included in the plasticizer composition and the weight ratio therebetween.
- Viscosity Brookfield viscosity, measured using a Brookfield (LV type) viscometer, and #64 was used as a spindle, the measurement speed was 6 rpm and 60 rpm, and the measurement temperature was 25°C. It was measured as
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Abstract
Description
| 구분 | 알코올 종류 및 중량비 | 산 |
| 제조예 1-1 | n-헥산올 : 2-메틸펜탄올 = 1 : 9 | 이소프탈산 |
| 제조예 1-2 | n-헥산올 : 2-메틸펜탄올 = 7 : 3 | 이소프탈산 |
| 제조예 1-3 | n-헥산올 : 2-메틸펜탄올 = 9 : 1 | 이소프탈산 |
| 제조예 1-4 | n-헥산올 : 2-메틸펜탄올 : 3-메틸펜탄올 = 2 : 3 : 5 | 이소프탈산 |
| 제조예 1-5 | n-헥산올 : 2-메틸펜탄올 : 3-메틸펜탄올 : 사이클로펜틸 메탄올 = 7 : 37 : 44: 12 | 이소프탈산 |
| 제조예 2 | 2-에틸헥산올 | 이소프탈산 |
| 제조예 3 | 2-메틸펜탄올 | 이소프탈산 |
| 제조예 4 | n-부탄올 | 이소프탈산 |
| 제조예 5 | n-헵탄올 | 테레프탈산 |
| 구분 | 성분 1 | 성분 2 | 성분 1 : 성분 2(중량비) | |
| 그룹 1 | 실시예 1-1 | 제조예 1-1 | 제조예 2 | 1 : 9 |
| 실시예 1-2 | 제조예 1-1 | 제조예 2 | 2 : 8 | |
| 실시예 1-3 | 제조예 1-1 | 제조예 2 | 3 : 7 | |
| 실시예 1-4 | 제조예 1-1 | 제조예 2 | 5 : 5 | |
| 실시예 1-5 | 제조예 1-1 | 제조예 2 | 7 : 3 | |
| 그룹 2 | 실시예 2-1 | 제조예 1-2 | 제조예 2 | 3 : 7 |
| 실시예 2-2 | 제조예 1-3 | 제조예 2 | 3 : 7 | |
| 실시예 2-3 | 제조예 1-4 | 제조예 2 | 3 : 7 | |
| 실시예 2-4 | 제조예 1-5 | 제조예 2 | 3 : 7 | |
| 비교예 1 | DOP 단독 사용 | |||
| 비교예 2 | DINP 단독 사용 | |||
| 비교예 3 | DEHTP(제조예 2) 단독 사용 | |||
| 비교예 4 | DEHTP, BEHTP 및 DBTP의 혼합물 사용 | |||
| 비교예 5 | 제조예 1-1 단독 사용 | |||
| 비교예 6 | 제조예 3 | 제조예 2 | 5 : 5 | |
| 비교예 7 | 제조예 4 | 제조예 2 | 3 : 7 | |
| 비교예 8 | 제조예 1-1 | 제조예 5 | 5 : 5 | |
| 구분 | 경도 | 기계적 물성 | 이행손실 (%) |
가열감량 (%) |
|||
| Shore A | Shore D | 인장강도 (kgf/cm2) |
신율 (%) |
||||
| 그룹 1 | 실시예 1-1 | 87.8 | 41.3 | 223.5 | 347.2 | 5.93 | 1.35 |
| 실시예 1-2 | 86.8 | 40.3 | 226.6 | 347.4 | 5.68 | 1.65 | |
| 실시예 1-3 | 85.9 | 39.8 | 223.5 | 335.8 | 5.23 | 1.88 | |
| 실시예 1-4 | 85.0 | 39.0 | 221.7 | 337.2 | 4.66 | 2.01 | |
| 실시예 1-5 | 83.9 | 38.2 | 216.0 | 312.4 | 4.25 | 3.21 | |
| 그룹 2 | 실시예 2-1 | 85.7 | 39.8 | 221.3 | 340.2 | 4.77 | 1.56 |
| 실시예 2-2 | 85.6 | 39.7 | 223.8 | 339.4 | 4.53 | 1.40 | |
| 실시예 2-3 | 85.7 | 39.7 | 223.0 | 337.6 | 4.40 | 1.50 | |
| 실시예 2-4 | 85.4 | 39.5 | 225.6 | 341.0 | 4.22 | 1.23 | |
| 비교예 1 | 84.4 | 38.7 | 212.7 | 315.9 | 1.47 | 1.74 | |
| 비교예 2 | 87.7 | 41.2 | 220.3 | 325.2 | 2.14 | 0.86 | |
| 비교예 3 | 88.6 | 42.0 | 230.4 | 349.6 | 6.51 | 0.91 | |
| 비교예 4 | 86.6 | 40.4 | 229.8 | 341.9 | 5.58 | 2.49 | |
| 비교예 5 | 77.6 | 34.2 | 204.3 | 301.2 | 4.51 | 7.32 | |
| 비교예 6 | 85.2 | 39.2 | 204.6 | 310.2 | 5.20 | 2.41 | |
| 비교예 7 | 81.3 | 36.7 | 196.4 | 289.6 | 4.50 | 3.86 | |
| 비교예 8 | 80.7 | 36.0 | 192.3 | 265.4 | 4.01 | 5.36 | |
| 구분 | 6 rpm / 25℃ 점도 (cP) | 60 rpm / 25℃ 점도 (cP) | |||
| 1hr | 24hr | 1hr | 24hr | ||
| 그룹 1 | 실시예 1-1 | 3000 | 2800 | 1990 | 1960 |
| 실시예 1-2 | 2300 | 3300 | 1870 | 2080 | |
| 실시예 1-3 | 2100 | 3400 | 1850 | 2200 | |
| 실시예 1-4 | 1900 | 3600 | 1760 | 2360 | |
| 실시예 1-5 | 1800 | 4200 | 1720 | 2790 | |
| 그룹 2 | 실시예 2-1 | 2050 | 3300 | 1800 | 2150 |
| 실시예 2-2 | 2000 | 3250 | 1810 | 2100 | |
| 실시예 2-3 | 2100 | 3200 | 1780 | 2100 | |
| 실시예 2-4 | 2000 | 3200 | 1750 | 2030 | |
| 비교예 1 | 3200 | 4100 | 2410 | 2830 | |
| 비교예 2 | 3100 | 3000 | 2260 | 2470 | |
| 비교예 3 | 2900 | 3600 | 1960 | 2290 | |
| 비교예 5 | 1000 | 4300 | 1100 | 4350 | |
| 비교예 6 | 1950 | 3700 | 1800 | 2450 | |
| 비교예 7 | 1400 | 4500 | 1420 | 3860 | |
| 비교예 8 | 1100 | 4400 | 1150 | 4500 | |
Claims (9)
- 다이헥실 이소프탈레이트 및 다이(2-에틸헥실) 테레프탈레이트를 포함하고,상기 다이헥실 이소프탈레이트의 헥실기는 헥실 알코올의 이성질체 혼합물로부터 유래되며,상기 헥실 알코올의 이성질체 혼합물은 1-헥산올, 1-메틸펜탄올, 2-메틸펜탄올, 3-메틸펜탄올, 4-메틸펜탄올, 1,1-디메틸부탄올, 1,2-디메틸부탄올, 1,3-디메틸부탄올, 2,2-디메틸부탄올, 2,3-디메틸부탄올, 3,3-디메틸부탄올, 1-에틸부탄올, 2-에틸부탄올, 3-에틸부탄올 및 사이클로펜틸 메탄올로 이루어진 군에서 선택된 2 이상을 포함하는 것인 가소제 조성물.
- 제1항에 있어서,상기 헥실 알코올의 이성질체 혼합물은 1-헥산올 및 2-메틸펜탄올을 포함하는 것인 가소제 조성물.
- 제1항에 있어서,상기 헥실 알코올의 이성질체 혼합물은, 이성질체 혼합물 100 중량부에 대하여, 분지형 알코올이 40 중량부 이상으로 포함되는 것인 가소제 조성물.
- 제1항에 있어서,상기 헥실 알코올의 이성질체 혼합물은, 이성질체 혼합물 100 중량부에 대하여, 분지형 알코올이 50 내지 95 중량부로 포함되는 것인 가소제 조성물.
- 제1항에 있어서,상기 헥실 알코올의 이성질체 혼합물은, 이성질체 혼합물 100 중량부에 대하여, 1-헥산올이 40 중량부 이하로 포함되는 것인 가소제 조성물.
- 제1항에 있어서,상기 다이헥실 이소프탈레이트 및 다이(2-에틸헥실) 테레프탈레이트는 중량비가 90:10 내지 10:90인 것인 가소제 조성물.
- 제1항에 있어서,상기 헥실 알코올의 이성질체 혼합물은 1-헥산올, 2-메틸펜탄올 및 3-메틸펜탄올을 포함하는 것인 가소제 조성물.
- 수지 100 중량부; 및 제1항의 가소제 조성물 5 내지 150 중량부;를 포함하는 수지 조성물.
- 제8항에 있어서,상기 수지는 스트레이트 염화비닐 중합체, 페이스트 염화비닐 중합체, 에틸렌 비닐 아세테이트 공중합체, 에틸렌 중합체, 프로필렌 중합체, 폴리케톤, 폴리스티렌, 폴리우레탄, 폴리락틱산, 천연고무 및 합성고무로 이루어진 군에서 선택된 1 종 이상인 것인 수지 조성물.
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| CN202180054281.7A CN116057118B (zh) | 2020-11-24 | 2021-11-23 | 间苯二甲酸酯类增塑剂组合物和包含该增塑剂组合物的树脂组合物 |
| MX2023003241A MX2023003241A (es) | 2020-11-24 | 2021-11-23 | Composicion plastificante a base de isoftalato y composicion de resina que comprende la misma. |
| JP2023518013A JP7566407B2 (ja) | 2020-11-24 | 2021-11-23 | イソフタレート系可塑剤組成物およびこれを含む樹脂組成物 |
| US18/022,980 US20240002634A1 (en) | 2020-11-24 | 2021-11-23 | Isophthalate-based plasticizer composition and resin composition comprising the same |
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- 2021-11-23 EP EP21898571.1A patent/EP4253464A4/en active Pending
- 2021-11-23 KR KR1020210162389A patent/KR102856370B1/ko active Active
- 2021-11-23 US US18/022,980 patent/US20240002634A1/en active Pending
- 2021-11-23 WO PCT/KR2021/017323 patent/WO2022114745A1/ko not_active Ceased
- 2021-11-23 CN CN202180054281.7A patent/CN116057118B/zh active Active
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| KR102856370B1 (ko) | 2025-09-05 |
| KR20220071934A (ko) | 2022-05-31 |
| EP4253464A4 (en) | 2024-05-22 |
| EP4253464A1 (en) | 2023-10-04 |
| MX2023003241A (es) | 2023-04-14 |
| JP2023543187A (ja) | 2023-10-13 |
| US20240002634A1 (en) | 2024-01-04 |
| JP7566407B2 (ja) | 2024-10-15 |
| TW202237725A (zh) | 2022-10-01 |
| CN116057118B (zh) | 2024-03-22 |
| CN116057118A (zh) | 2023-05-02 |
| TWI895553B (zh) | 2025-09-01 |
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