WO2024096665A1 - 분지형 폴리(3-하이드록시프로피온산) 중합체 - Google Patents
분지형 폴리(3-하이드록시프로피온산) 중합체 Download PDFInfo
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- WO2024096665A1 WO2024096665A1 PCT/KR2023/017495 KR2023017495W WO2024096665A1 WO 2024096665 A1 WO2024096665 A1 WO 2024096665A1 KR 2023017495 W KR2023017495 W KR 2023017495W WO 2024096665 A1 WO2024096665 A1 WO 2024096665A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/87—Non-metals or inter-compounds thereof
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
Definitions
- the present invention relates to novel branched poly(3-hydroxypropionic acid) polymers.
- Poly(3-hydroxypropionic acid) is a biodegradable polymer that is not only resistant to breakage but also has excellent mechanical properties, attracting attention as an eco-friendly material.
- poly(3-hydroxypropionic acid) is manufactured by condensation polymerization of the monomer 3-hydroxypropionic acid (3-HP; 3-hydroxypropionic acid). Also, considering industrial application potential, there is a need to produce poly(3-hydroxypropionic acid) with excellent thermal stability.
- the chain of poly(3-hydroxypropionic acid) contains an ester structure, and the ester structure has a thermal decomposition temperature of about 220°C, so there is a limit to improving thermal stability.
- preparing high molecular weight poly(3-hydroxypropionate) can be considered.
- dehydration may occur and the monomer reaction terminal is converted to a vinyl group, thereby terminating the polymerization, and/or a low molecular weight ring-like structure is created during the condensation polymerization process. This is because problems such as increased viscosity may occur during the condensation polymerization process.
- 3HP polymer has problems such as low polymer stability due to its high acid value and difficulty in forming copolymers.
- One object of the present application is to provide a branched poly(3-hydroxypropionic acid) polymer with biodegradability.
- Another object of the present application is to provide a high molecular weight, branched poly(3-hydroxypropionic acid) polymer.
- Another object of the present application is to provide a poly(3-hydroxypropionic acid) polymer that is advantageous for industrial applications.
- Another object of the present application is to provide a method for producing the branched poly(3-hydroxypropionic acid) polymer.
- branched poly(3-hydroxypropionic acid) polymers and methods for their preparation.
- the present inventor confirmed that when using a multifunctional compound described later, the molecular weight can be easily increased and it is easy to control the molecular weight for industrial applications.
- the polymer of Chemical Formula 1 which will be described later, can be prepared through an ester reaction between a polyfunctional compound having more than 4 valence and 3-hydroxypropionic acid (3HP).
- the use of functional compounds can provide sufficient polymerization reaction and increase in molecular weight (compared to the use of trivalent or lower compounds).
- the molecular weight of the polymer is not sufficient, it is difficult to fully demonstrate the physical properties of the polymer, so mixing with other types of polymers must be considered for industrial use.
- the polymer of Chemical Formula 1 of the present application containing units derived from polyfunctional compounds of tetravalence or more can have a high molecular weight, it is sufficiently possible to use it alone.
- polymers having various grades of molecular weight can be provided by controlling the content between the polyfunctional compound and 3-hydroxypropionic acid that react with each other under predetermined reaction conditions to a predetermined range, thereby enabling industrial application of the polymer.
- the scope can be expanded further.
- the polymer of the present application has a low acid value, it has high polymer stability and is also advantageous for forming a copolymer through additional reaction with other compounds.
- substituted or unsubstituted refers to deuterium; halogen group; Nitrile group; nitro group; hydroxyl group; carbonyl group; ester group; imide group; amino group; Phosphine oxide group; Alkoxy group; Aryloxy group; Alkylthioxy group; Arylthioxy group; Alkyl sulphoxy group; Aryl sulfoxy group; silyl group; boron group; Alkyl group; Cycloalkyl group; alkenyl group; Aryl group; Aralkyl group; Aralkenyl group; Alkylaryl group; Alkylamine group; Aralkylamine group; heteroarylamine group; Arylamine group; Arylphosphine group; or substituted or unsubstituted with one or more substituents selected from the group consisting of heterocyclic groups containing one or more of N, O and S atoms, or substituted or unsubstituted with two or more of the above
- a substituent group in which two or more substituents are connected may be a biphenyl group. That is, the biphenyl group may be an aryl group, or it may be interpreted as a substituent in which two phenyl groups are connected.
- the carbon number of the carbonyl group is not particularly limited, but is preferably 1 to 40 carbon atoms. Specifically, it may be a compound with the following structure, but is not limited thereto.
- the oxygen of the ester group may be substituted with a straight-chain, branched-chain, or ring-chain alkyl group having 1 to 25 carbon atoms or an aryl group having 6 to 25 carbon atoms.
- it may be a compound of the following structural formula, but is not limited thereto.
- the carbon number of the imide group is not particularly limited, but is preferably 1 to 25 carbon atoms. Specifically, it may be a compound with the following structure, but is not limited thereto.
- the silyl group specifically includes trimethylsilyl group, triethylsilyl group, t-butyldimethylsilyl group, vinyldimethylsilyl group, propyldimethylsilyl group, triphenylsilyl group, diphenylsilyl group, phenylsilyl group, etc. However, it is not limited to this.
- the boron group specifically includes trimethyl boron group, triethyl boron group, t-butyldimethyl boron group, triphenyl boron group, and phenyl boron group, but is not limited thereto.
- halogen groups include fluorine, chlorine, bromine, or iodine.
- the alkyl group may be straight chain or branched, and the number of carbon atoms is not particularly limited, but is preferably 1 to 40. According to one embodiment, the carbon number of the alkyl group is 1 to 20. According to another embodiment, the carbon number of the alkyl group is 1 to 10. According to another embodiment, the carbon number of the alkyl group is 1 to 6. Specific examples of alkyl groups include methyl, ethyl, propyl, n-propyl, isopropyl, butyl, n-butyl, isobutyl, tert-butyl, sec-butyl, 1-methyl-butyl, 1-ethyl-butyl, pentyl, n.
- -pentyl isopentyl, neopentyl, tert-pentyl, hexyl, n-hexyl, 1-methylpentyl, 2-methylpentyl, 4-methyl-2-pentyl, 3,3-dimethylbutyl, 2-ethylbutyl, heptyl , n-heptyl, 1-methylhexyl, cyclopentylmethyl, cyclohexylmethyl, octyl, n-octyl, tert-octyl, 1-methylheptyl, 2-ethylhexyl, 2-propylpentyl, n-nonyl, 2,2 -Dimethylheptyl, 1-ethyl-propyl, 1,1-dimethyl-propyl, isohexyl, 4-methylhexyl, 5-methylhexyl, etc., but is not limited to these.
- the alkenyl group may be straight chain or branched, and the number of carbon atoms is not particularly limited, but is preferably 2 to 40. According to one embodiment, the alkenyl group has 2 to 20 carbon atoms. According to another embodiment, the alkenyl group has 2 to 10 carbon atoms. According to another embodiment, the alkenyl group has 2 to 6 carbon atoms.
- Specific examples include vinyl, 1-propenyl, isopropenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-pentenyl, 2-pentenyl, 3-pentenyl, 3-methyl-1- Butenyl, 1,3-butadienyl, allyl, 1-phenylvinyl-1-yl, 2-phenylvinyl-1-yl, 2,2-diphenylvinyl-1-yl, 2-phenyl-2-( Naphthyl-1-yl) vinyl-1-yl, 2,2-bis (diphenyl-1-yl) vinyl-1-yl, stilbenyl group, styrenyl group, etc., but are not limited to these.
- the cycloalkyl group is not particularly limited, but preferably has 3 to 60 carbon atoms, and according to one embodiment, the cycloalkyl group has 3 to 30 carbon atoms. According to another embodiment, the carbon number of the cycloalkyl group is 3 to 20. According to another embodiment, the carbon number of the cycloalkyl group is 3 to 6.
- Examples include, but are not limited to, 4,5-trimethylcyclohexyl, 4-tert-butylcyclohexyl, cycloheptyl, and cyclooctyl.
- the aryl group is not particularly limited, but preferably has 6 to 60 carbon atoms, and may be a monocyclic aryl group or a polycyclic aryl group. According to one embodiment, the aryl group has 6 to 30 carbon atoms. According to one embodiment, the aryl group has 6 to 20 carbon atoms.
- the aryl group may be a monocyclic aryl group, such as a phenyl group, biphenyl group, or terphenyl group, but is not limited thereto.
- the polycyclic aryl group may be a naphthyl group, anthracenyl group, phenanthryl group, pyrenyl group, perylenyl group, chrysenyl group, fluorenyl group, etc., but is not limited thereto.
- the fluorenyl group may be substituted, and two substituents may be combined with each other to form a spiro structure.
- the fluorenyl group is substituted,
- the heteroaryl group is a heterocyclic group containing at least one of O, N, Si, and S as a heterogeneous element and having aromatic properties.
- the number of carbon atoms is not particularly limited, but the number of carbon atoms is 2 to 60. desirable.
- heteroaryl groups include thiophene group, furan group, pyrrole group, imidazole group, thiazole group, oxazole group, oxadiazole group, triazole group, pyridyl group, bipyridyl group, pyrimidyl group, triazine group, and acridyl group.
- pyridazine group pyrazinyl group, quinolinyl group, quinazoline group, quinoxalinyl group, phthalazinyl group, pyrido pyrimidinyl group, pyrido pyrazinyl group, pyrazino pyrazinyl group, isoquinoline group, indole group , carbazole group, benzooxazole group, benzoimidazole group, benzothiazole group, benzocarbazole group, benzothiophene group, dibenzothiophene group, benzofuranyl group, phenanthroline group, thiazolyl group, isoxazolyl group, oxadiazolyl group, thiadiazolyl group, benzothiazolyl group, phenothiazinyl group, and dibenzofuranyl group, but is not limited to these.
- the aryl group among the aralkyl group, aralkenyl group, alkylaryl group, and arylamine group is the same as the example of the aryl group described above.
- the aralkyl group, alkylaryl group, and alkylamine group are the same as the examples of the alkyl group described above.
- the description regarding the heterocyclic group described above may be applied to heteroaryl among heteroarylamines.
- the alkenyl group among the aralkenyl groups is the same as the example of the alkenyl group described above.
- the description of the aryl group described above can be applied, except that arylene is a divalent group.
- the description of the heterocyclic group described above can be applied, except that heteroarylene is a divalent group.
- the description of the aryl group or cycloalkyl group described above can be applied, except that the hydrocarbon ring is not monovalent and is formed by combining two substituents.
- the description of the heterocyclic group described above can be applied, except that the heterocycle is not a monovalent group and is formed by combining two substituents.
- multifunctional compounds may be mixed with multifunctional monomers or multifunctional additives.
- the multifunctional compound may mean, for example, a polyol having a tetravalent or higher functional group or a reactive group (e.g. -OH).
- a branched poly(3-hydroxypropionic acid) polymer represented by the following formula (1) may be provided.
- R is a tetravalent or higher functional group derived from a polyfunctional monomer
- A is a direct bond or a linking group derived from an ether, sulfide, ester, thioester, ketone, sulfoxide, sulfone, sulfonate ester, amine, amide, imine, imide, or urethane,
- k is an integer of 3 or more
- n is an integer of 1 to 700
- C is a substituent represented by the following formula (4) or formula (5).
- branched refers to a polymer of monomers each having 3 or more functional groups, and the R part in Formula 1 is defined as a branched structure.
- the branching structure is
- n can independently have any integer value from 1 to 700.
- k in Formula 1 may be an integer of 4 or more, 5 or more, 6 or more, 7 or more, or 8 or more. Although not particularly limited, k in Formula 1 may be 20 or less, 18 or less, 16 or less, 14 or less, 12 or less, 10 or less, 8 or less, or 6 or less.
- R includes substituted or unsubstituted C1-60 alkyl, substituted or unsubstituted C3-60 cycloalkyl, substituted or unsubstituted C6-60 aryl, or one or more of N, O and S. It may be a tetravalent or higher linking group derived from substituted or unsubstituted C2-60 heteroaryl. At this time, at least one of the carbon atoms of the alkyl, cycloalkyl, aryl, and heteroaryl may be substituted or unsubstituted with at least one heteroatom or carbonyl selected from the group consisting of N, O, and S.
- the branched poly(3-hydroxypropionic acid) polymer satisfies an acid value of 150 meq/kg or less.
- the acid value of the branched polymer is, for example, 140 meq/kg or less, 135 meq/kg or less, 130 meq/kg or less, 125 meq/kg or less, 120 meq/kg or less, 115 meq/kg or less, 110 meq/kg or less, 105 meq/kg or less, 100 meq/kg or less, 95 meq/kg or less, 90 meq/kg or less, 85 meq/kg or less, 80 meq/kg or less, 75 meq/kg or less, 70 meq /kg or less, 65 meq/kg or less, 60 meq/kg or less, 55 meq/kg or less, 50 meq/kg or less, 45 meq/kg or less, 40 meq/kg or less, 35 meq/kg or less, or 30 meq/kg It may be below.
- the branched polymer can have a stable state and is more advantageous for forming a copolymer through reaction with other compounds. Therefore, the branched polymer of the present application can enable expansion of the scope of industrial use.
- the acid value can be measured by titrating 0.02N potassium methoxide solution as a titrant solution, as in the experiment described later.
- the present inventors used a polyhydric alcohol having four or more hydroxy groups as a reaction additive and reacted it with poly(3-hydroxypropionic acid), a bio-derived monomer, to produce a novel branched poly(3-hydroxypropionic acid) polymer.
- poly(3-hydroxypropionic acid) a polyhydric alcohol having four or more hydroxy groups
- poly(3-hydroxypropionic acid) a bio-derived monomer
- the branched poly(3-hydroxypropionic acid) polymer represented by Chemical Formula 1 having a novel structure may be an acrylic polymer having a vinyl group at the end of the branch chain.
- the acrylic polymer is provided using the polyfunctional monomer of tetravalence or more, chain formation may increase and the number of vinyl groups at the branch ends may increase compared to the case where polyfunctional monomers of less than tetravalence are used. Accordingly, the acrylic polymer can lower or alleviate brittleness relative to a conventional acrylic polymer having a similar molecular weight, and can also lower Tg and Tm.
- poly(3-hydroxypropionic acid) polymer which is a biodegradable polymer, P3HP, whose chain end is a hydroxyl group
- P3HP a biodegradable polymer
- the poly(3-hydroxypropionic acid) polymer has a limited structure and molecular weight, so there are limitations in realizing various physical properties (eg, thermal properties).
- poly(3-hydroxypropionic acid) polymer poly(3-hydroxypropionic acid), an eco-friendly bio-derived monomer, was introduced and an acrylic structure was formed.
- polyhydric alcohols of tetrahydric or higher can be used as polyfunctional monomers to produce acrylic polymers with various molecular weights from low to high molecular weight.
- the prepared acrylic polymer may be a branched poly(3-hydroxypropionic acid) polymer having a linear structure to a branched structure of four or more by using a polyhydric alcohol of four or more valences as a polyfunctional monomer. That is, introducing a tetrahydric or higher polyhydric alcohol in the multifunctional monomer can facilitate vinylation treatment of the chain ends of the branched poly(3-hydroxypropionic acid) polymer. Therefore, the polymer can be easily manufactured into various structures ranging from linear to hyperbranched structures, thereby expanding the field of use of acrylic polymers.
- the branched poly(3-hydroxypropionic acid) polymer undergoes additional vinylization of the hydroxyl group at the end of the polymer chain depending on the acid catalyst addition and heat treatment conditions, thereby controlling the formation of vinyl groups at the end of each branch chain to produce acrylic polymer compounds of various contents. This can be manufactured.
- the branched poly(3-hydroxypropionic acid) polymer is an environmentally friendly, biodegradable polymer and may have different thermal properties (Tg, Tm) due to its various polymer structures.
- the branched poly(3-hydroxypropionic acid) polymer having various acrylic polymer structures can be utilized in various fields, such as radical polymerization monomers and elastomers.
- a polyhydric alcohol of tetrahydric or higher valence can be used to provide an acrylic polymer in which the molecular weight and particle structure of the branched poly(3-hydroxypropionic acid) polymer are diversified.
- the weight average molecular weight of the branched poly(3-hydroxypropionic acid) polymer can be adjusted, for example, to have a weight average molecular weight of 1,000 to 100,000 or more.
- the branched poly(3-hydroxypropionic acid) polymer includes an acrylic polymer having one or more, preferably three to four or more polymer molecular chains, and a portion of the terminal end of the branch chain is made of a vinyl group.
- the number ratio of Formula 5 to the total of Formula 4 and Formula 5, that is, the branched end vinyl group content is 5% or more, 10% or more, 20% More than 30%, more than 40% by weight, more than 42% by weight, more than 45% by weight, more than 50% by weight, more than 52% by weight, more than 55% by weight, less than 100% by weight, less than 95% by weight, less than 90% by weight , may be 80% by weight or less, 75% by weight or less, 72% by weight or less, 70% by weight or less, 65% by weight or less, 60% by weight or less, and 56% by weight or less.
- the number ratio (branch terminal vinyl group content) of Formula 5 to the total of Formulas 4 and 5 may be the content in unrefined or purified branched poly(3-hydroxypropionic acid) polymer.
- the branched end vinyl group content of the polymer prepared under the same conditions may be further increased.
- the number ratio of Formula 5 to the total of Formula 4 and Formula 5 is 55% by weight or more and 100 It may be less than % by weight.
- the chain end which is not an acrylic polymer, exhibits similar properties to poly(3-hydroxypropionic acid) polymer, which is capable of initiating polymerization with 3HP or other monomers. , it may be difficult to realize the desired effect.
- the number ratio (branch end vinyl group content) of Formula 5 to the total of Formulas 4 and 5 can be obtained by measuring the vinyl group structure at the end of the polymer chain using 1H-NMR.
- the vinyl group content at the branch end is determined by measuring the C-H peak value (1) of the vinyl group of Formula 5 at the branch end of each polymer and the terminal beta C-H peak value (2) of Formula 4 using 1H-NMR. It can be calculated by Equation 1 below.
- 1 is the C-H peak value of the vinyl group of Formula 5 at the branch end of the branched poly(3-hydroxypropionic acid) polymer
- 2 is the branch of the branched poly(3-hydroxypropionic acid) polymer. This is the terminal beta C-H peak value of Chemical Formula 4 at the terminal.
- * may be a part connected to B.
- the polymer is a condensation polymerization of 3-hydroxypropionic acid with a polyfunctional monomer, and the polyfunctional monomer is a polyhydric alcohol having a hydroxy group of 4 or more.
- the branched polymer may be formed by condensation polymerization of 3-hydroxypropionic acid and a multifunctional compound.
- the branched polymer includes 3-hydroxypropionic acid; and 0.05 to 50 parts by weight of units derived from the multifunctional compound based on 100 parts by weight of the 3-hydroxypropionic acid.
- the polymer contains at least 0.1 parts by weight, at least 1 part by weight, at least 5 parts by weight, at least 10 parts by weight, at least 15 parts by weight, and at least 20 parts by weight (compared to 100 parts by weight of 3-hydroxypropionic acid).
- the branched polymer contains 45 parts by weight or less, 40 parts by weight, 35 parts by weight, 30 parts by weight, 25 parts by weight, or 20 parts by weight of the multifunctional compound (compared to 100 parts by weight of 3-hydroxypropionic acid). , may include 15 parts by weight or less, 10 parts by weight or less, 5 parts by weight or less, 1 part by weight or less, or 0.5 parts by weight or less.
- a branched polymer capable of achieving the desired task can be manufactured. As confirmed in the experiment described later, a branched polymer with a high molecular weight can be obtained even when a small amount of the multifunctional compound is used.
- the branched polymer may be a condensation polymerization of 0.005 mol% or more of a multifunctional compound based on the content of 3-hydroxypropionic acid.
- the above-described multifunctional compound acts like an initiator, so it can sufficiently perform its function even with a small amount.
- more than 0.01 mol%, more than 0.1 mol%, more than 0.5 mol%, more than 1 mol%, more than 5 mol%, or more than 10 mol% of multifunctional compounds are added to the branched polymer.
- the upper limit is, for example, 25 mol % or less, 20 mol % or less, specifically, 15 mol % or less, 14.5 mol % or less, 14.0 mol % or less, 13.5 mol % or less, 13.0 mol % or less.
- branched polymer capable of achieving the desired task can be manufactured.
- the branched polymer may have a weight average molecular weight (Mw) ranging from 1,000 to 300,000.
- Mw weight average molecular weight
- the weight average molecular weight (Mw) of the polymer is, for example, 2,000 or more, 3,000 or more, 4,000 or more, 5,000 or more, 6,000 or more, 7,000 or more, 8,000 or more, 9,000 or more, 10,000 or more, 15,000 or more, 20,000 or more, 25,000 or more, 30,000 or more, 35,000 or more, 40,000 or more, 50,000 or more, 55,000 or more, 60,000 or more, 65,000 or more, 70,000 or more, 75,000 or more, 80,000 or more, 85,000 or more, It can be 0 or more or 100,000 or more.
- the upper limit is, for example, 250,000 or less, 200,000 or less, 150,000 or less, 100,000 or less, 50,000 or less, 45,000 or less, 40,000 or less, 35,000 or less, 30,000 or less, 25,000 or less, 20,000 or less, 15,000 or less. It may be less than 10,000.
- the content and/or reaction conditions of the reaction components e.g., 3-hydroxypropionic acid and multifunctional compound
- the branched polymer has various grades of molecular weight. It can be made to have characteristics.
- the branched polymer may have a number average molecular weight (Mn) ranging from 500 to 100,000.
- Mn number average molecular weight
- the number average molecular weight (Mn) of the polymer is, for example, 1,000 or more, 2,000 or more, 3,000 or more, 4,000 or more, 5,000 or more, 6,000 or more, 7,000 or more, 8,000 or more, 9,000 or more, 10,000 or more, 15,000 or more, 20,000 or more, 25,000 or more, 30,000 or more, 35,000 or more, 45,000 or more, 50,000 or more, 55,000 or more, 60,000 or more, 65,000 or more, 70,000 or more, 80,000 or more, 85,000 or more, It can be 0 or more or 95,000 or more.
- the upper limit is, for example, 95,000 or less, 90,000 or less, 85,000 or less, 80,000 or less, 75,000 or less, 70,000 or less, 65,000 or less, 60,000 or less, 55,000 or less, 50,000 or less, 45,000 or less, 40,000 or less, 00 or less, 30,000 or less , may be 25,000 or less, 20,000 or less, 15,000 or less, or 10,000 or less.
- the content and/or reaction conditions of the reaction components e.g., 3-hydroxypropionic acid and multifunctional compound
- the branched polymer has various grades of molecular weight. It can be made to have characteristics.
- the branched polymer can have a polydispersity index (PDI) in the range of 1.0 to 13.0.
- the polydispersity index (PDI) of the polymer may be, for example, 1.5 or more, 2.0 or more, 2.5 or more, 3.0 or more, 3.5 or more, 4.0 or more, 4.5 or more, or 5.0 or more, and the upper limit is, for example, For example, it may be 12.0 or less, 11.5 or less, 11.0 or less, 10.5 or less, 10.0 or less, 9.5 or less, 9.0 or less, 8.5 or less, 8.0 or less, 7.5 or less, 6.5 or less, 6.0 or less, 5.5 or less, or 5.0 or less.
- the content and/or reaction conditions of the reaction components are controlled, so that the branched polymer has various grades of molecular weight.
- a method for producing the branched poly(3-hydroxypropionic acid) polymer can be provided.
- the method includes the step of polymerizing 3-hydroxypropionic acid with a tetravalent or higher polyfunctional compound to prepare a branched poly(3-hydroxypropionic acid) polymer represented by the following formula (1).
- the branched poly(3-hydroxypropionic acid) polymer may have an acid value of 150 meq/kg or less.
- the structure of the polymer in Chemical Formula 1 is the same as that of the branched poly(3-hydroxypropionic acid) polymer described above, and the specific type, content, and characteristics of the monomer or compound forming the polymer are Since it is the same as the above-mentioned content, detailed description is omitted.
- the polymerization may be performed in the presence of a catalyst. It is advantageous to promote the polymerization reaction when using a catalyst and to suppress the formation of cyclic oligomers during the polymerization process.
- the type of catalyst is not particularly limited as long as it does not impede the progress of the polymerization reaction or the achievement of the technical object of the present application.
- the usable catalyst may be, for example, an acid catalyst or a tin-based catalyst.
- the acid catalyst may be or include, for example, a sulfonic acid-based catalyst, and examples of the sulfonic acid-based catalyst include p-toluenesulfonic acid, m-xylene-4-sulfonic acid, 2-mesitylenesulfonic acid, and/or p-xylene-2.
- -Sulfonic acid is an example.
- SnCl2 or Sn(oct)2 may be used as a tin-based catalyst.
- the catalyst may be used in a predetermined content range.
- the polymerization may be performed using the catalyst in an amount of 0.001 to 1.0 mol% relative to the 3-hydroxypropionic acid.
- the content of the catalyst may be 0.01 mol% or more, 0.05 mol% or more, or 0.1 mol% or more, and the upper limit is, for example, 0.9 mol% or less, 0.8 mol% or less, 0.7 mol% or less, 0.6 mol%. It may be less than or equal to 0.5 mol%.
- a catalyst is used within the above-mentioned content range, it may be more advantageous to promote polymerization and simultaneously suppress the formation of cyclic oligomers.
- the polymerization may be performed under vacuum.
- the vacuum state means a pressure lower than atmospheric pressure, for example, it may mean a pressure of 500 torr or less.
- the polymerization may be performed at a pressure of 100 torr or less, 50 torr or less, 10 torr or less, 1 torr or less, or 0.1 torr or less.
- the polymerization may be carried out in a temperature range of 50 to 150 °C. Specifically, the polymerization may be carried out at 60 °C or higher, 70 °C or higher, 80 °C or higher, 90 °C or higher, or 100 °C or lower, and 140 °C or lower, 130 °C or lower, 120 °C or lower, 110 °C or lower, or 100 °C or lower. .
- the polymerization reaction temperature may be selected in a temperature range where side reactions can be suppressed and sufficient yield can be secured.
- the polymerization may be performed for 1 to 70 hours. Specifically, polymerization performed within the above-described vacuum condition and temperature range may be performed for 2 hours or more, 3 hours or more, 4 hours or more, or 5 hours or more, and may be performed for 60 hours or less, 55 hours or less, 50 hours or less, 45 hours or less. It may be less than an hour, less than 40 hours, less than 35 hours, less than 30 hours, less than 25 hours, less than 20 hours, less than 15 hours, less than 10 hours, or less than 5 hours. At this time, the polymerization can be carried out for a period of time during which side reactions can be suppressed and sufficient yield can be secured.
- the method may further include a catalyst removal or crystallization process step performed after the polymerization reaction described above.
- the step may include mixing the branched polymer with an organic solvent, and heating at 150°C or lower, 140°C or lower, 130°C or lower, 120°C or lower, 110°C or lower or 100°C or lower, and 30°C or higher or 40°C. This can be achieved by forming the above temperature conditions. This crystallizes the branched polymer and removes the catalyst.
- the type of organic solvent used is not particularly limited, and any known solvent may be used.
- the method may further include an oligomerization reaction step performed before the polymerization reaction described above. Specifically, the method may further include an oligomerization step performed at 50 to 100° C. and under vacuum (e.g., 100 torr or less, 50 torr or less, 10 torr or less). When going through the oligomerization step, the occurrence of side reactions can be suppressed.
- the time during which this oligomerization reaction takes place is not particularly limited, but may be, for example, 300 minutes or less, 250 minutes or less, 200 minutes or less, 150 minutes or less, or 100 minutes or less, and may be 30 minutes or more or 60 minutes or more.
- the method may further include drying one or more of the 3-hydroxypropionic acid and the polyfunctional compound before the polymerization or before the oligomerization reaction step.
- This drying takes into account the case where the reactive components (3-hydroxypropionic acid and/or multifunctional compound) are mixed in an aqueous solution. Drying conditions are not particularly limited, but are, for example, 30 to 100°C and vacuum (about 50 to 300 torr) for a predetermined time, for example, 5 hours or less, 4 hours or less, 3 hours or less, 2 hours or less, or This can be done for less than 1 hour.
- a method for producing a branched poly(3-hydroxypropionic acid) polymer represented by the following formula (1) may be provided:
- the step of preparing the acrylic primary polymer is a step of producing poly(3-hydroxypropionic acid) (P3HP) through primary condensation polymerization of 3-hydroxypropionic acid with a polyfunctional monomer having a hydroxyl group of four or more valences.
- P3HP poly(3-hydroxypropionic acid)
- the polyfunctional monomer may be used in an amount of 0.1 mol% to 25 mol%.
- the number of hydroxy groups of the tetrahydric alcohol may be equal to the number of 3-hydroxypropionic acid as a raw material.
- poly(3-hydride) has a linear structure formed by condensation polymerization with only 3-hydroxypropionic acid, rather than a branched structure formed when the polyfunctional monomer reacts with 3-hydroxypropionic acid.
- the amount of oxypropionic acid) may increase, making it unsuitable for the purpose of the present invention.
- the polyfunctional monomer content is 0.1 mol% to 20 mol%, 0.1 mol% to 15 mol%, 0.1 mol% to 10 mol%, 0.1 mol% to 5 mol%, 0.1 mol% relative to the 3-hydroxypropionic acid content. to 1 mol% or less, or 0.1 mol% to 0.5 mol% or less, or 0.1 mol% or more, 0.5 mol% or more, or 1.0 mol% or more, or 20 mol% or less, 15 mol% or less, 10 mol% or less, 5 mol% or less, 1 mol% It may be used in amounts of less than or equal to 0.5 mol%. In this case, the polymer can be formed without the problems described above.
- the polymerization is carried out at 50°C to 100°C and 5
- the reaction can be performed for more than 10 hours under an acid catalyst at torr or less.
- the polymerization is carried out at 50°C to 100°C and 0.1 torr to 5 torr.
- An acrylic primary polymer can be prepared by performing a condensation reaction under an acid catalyst at torr or less for 10 to 50 hours.
- the polymerization reaction time may be 10 hours or more, 15 hours or more, 20 hours or more, 25 hours or more, 50 hours or less, 45 hours or less, 40 hours or less, and 35 hours or less.
- the reaction after oligomerization can be appropriately adjusted depending on the content range of the polyfunctional monomer used. If an excessive amount of polyfunctional monomer is used, the reaction time becomes longer and chain transfer as a side reaction occurs. As gelation may occur, it can be adjusted appropriately within about 24 hours.
- the acid catalyst may be a sulfonic acid-based catalyst.
- the catalyst has the effect of promoting the polymerization of 3-hydroxypropionic acid and simultaneously suppressing the formation of cyclic oligomers during the polymerization process.
- the sulfonic acid-based catalyst may be p-toluenesulfonic acid, m-xylene-4-sulfonic acid, 2-mesitylenesulfonic acid, or p-xylene-2-sulfonic acid.
- the acid catalyst is used in an amount of 0.01 mol% to 1 mol% based on the 3-hydroxypropionic acid content, and may be appropriately added in an equivalent amount of 0.1 to 0.3 mol%.
- the acid catalyst content is too small (less than 0.01 mol%), the progress of the reaction is lowered, and if the acid catalyst content exceeds 1 mol%, a side reaction may proceed.
- the amount of the catalyst added may vary depending on the type of catalyst, and the content of the acid catalyst may be based on the sulfonic acid-based catalyst.
- the content of the sulfonic acid-based catalyst is 0.01 mol% to 0.8 mol%, 0.02 mol% to 0.5 mol%, or 0.1 mol% to 0.3 mol%, or 0.01 mol% or more, or 0.02 mol% or more, or 0.1 mol%. It may be more than mol%, less than 0.8 mol%, less than 0.5 mol%, or less than 0.3 mol%.
- the heat treatment further performs a secondary polymerization reaction on the acrylic primary polymer under high temperature conditions to additionally form a vinyl group at the chain end of the acrylic primary polymer to produce acrylic secondary polymers having various structures and molecular weights. It's a step.
- the branched poly(3-hydroxypropionic acid) polymer represented by Formula 1 can be provided.
- the heat treatment may be performed at 100°C to 200°C for 1 hour to 20 hours with or without stirring.
- the heat treatment time may be 1 hour or more, 2 hours or more, 3 hours or more, 4 hours or less, 20 hours or less, 15 hours or less, 10 hours or less, and 5 hours or less.
- the heat treatment temperature is less than 100°C, condensation polymerization with 3-hydroxypropionic acid used as a raw material dominates over the formation of vinyl groups at the chain ends of the acrylic primary polymer, so that an acrylic structure is not formed. Additionally, when the heat treatment temperature exceeds 200°C, there is a problem in that decomposition of the 3-hydroxypropionic acid occurs due to too high a temperature, thereby increasing side reactions. In addition, if the heat treatment time is less than 1 hour, there is a problem that it may be difficult to measure the formation of vinyl groups at the chain ends of the primary polymer, and if the heat treatment time is more than 20 hours, the vinyl group formation reaction at the chain ends of the polymer is saturated and is not effective. There may be.
- the heat treatment may be performed under an inert atmosphere at a pressure of 0.1 to 760 torr or normal pressure. Nitrogen, argon, etc. may be used to create the inert atmosphere.
- the heat treatment may be performed in the presence of an acid catalyst.
- the catalyst can be used under the same conditions as in the manufacturing step of the acrylic-based acrylic primary polymer to promote additional polymerization of the acrylic-based acrylic primary polymer to produce an acrylic secondary polymer of a desired molecular weight and structure.
- the step of dissolving the heat-treated acrylic secondary polymer in an organic solvent and then purifying it by adding a non-solvent may be further included.
- impurities in the polymer can be removed to improve purity.
- the organic solvent may be used in an amount of 500 to 2,000 parts by weight based on 100 parts by weight of the heat-treated acrylic secondary polymer. If the content of the organic solvent is less than 500 parts by weight, there is a problem that the weight of the acrylic secondary polymer may exceed the solubility of the solvent and the polymer may not dissolve, and if it exceeds 2,000 parts by weight, crystallinity may decrease when adding a non-solvent. there is a problem.
- the organic solvent may be a hydrocarbon-based organic solvent such as chloroform, ethyl ether, n-hexane, and toluene.
- the non-solvent may be added in an amount of 10 to 500 parts by weight based on 100 parts by weight of the organic solvent. If the content of the non-solvent is less than 10 parts by weight, the crystallinity of the polymer to be purified may be lowered, and if it exceeds 500 parts by weight, the purity of the polymer may be lowered.
- the non-solvent may be ethanol, water, methanol, isopropanol, etc.
- the purifying step may be performed under temperature conditions of -10°C to 100°C. If the purification temperature is lower than -10°C, the solubility of the solvent to the polymer may decrease and may not be dissolved. If it exceeds 100°C, the polymer may become higher than the boiling points of the solvent and non-solvent.
- the precipitated acrylic secondary polymer is filtered and then dried at room temperature and under vacuum conditions, so that the purified branched poly(3-hydroxypropionic acid) polymer can be provided in particle form. there is.
- the filter and drying method is not limited, and methods well known in the field may be used.
- the 3-hydroxypropionic acid and the multifunctional monomer may each independently further include a step of pretreatment at 50°C to 100°C and 100 torr or less before polymerization. Through the pretreatment step, moisture present in 3-hydroxypropionic acid and polyfunctional monomers can be removed.
- the 3-hydroxypropionic acid may further include the step of being pretreated for 1 to 2 hours at 50°C to 100°C, 100 torr or less, or 60 to 100 torr before polymerization.
- an article comprising the branched poly(3-hydroxypropionic acid) polymer can be provided.
- the branched polymers may be used alone or in admixture with other polymer components to form all or part of an article for a given application.
- Such articles include, for example, packaging materials, films, non-woven fabrics, and/or injection molded products.
- the present application is capable of providing branched polymers of high molecular weight, which alone can form the articles described above.
- polymers having various grades of molecular weight can be provided, thereby broadening the scope of industrial application of articles containing the branched polymer.
- a branched poly(3-hydroxypropionic acid) polymer can be provided that is biodegradable, can have a high molecular weight, and is advantageous for industrial applications.
- 3-Hydroxypropionic acid (3HP) and pentaerythritol dissolved in water were added to RBF and the moisture was dried at 90°C and 100 torr for 2 hours.
- a branched copolymer was prepared in the same manner as in Example 1, except that dipentaerythritol was used instead of pentaerythritol.
- a branched copolymer was prepared in the same manner as in Example 1, except that di(trimethylolpropane) was used instead of pentaerythritol.
- a branched copolymer was prepared in the same manner as in Example 1, except that tripentaerythritol was used instead of pentaerythritol.
- a branched polymer was prepared in the same manner as in Example 1, except that sorbitol was used instead of pentaerythritol.
- 3-Hydroxypropionic acid (3HP) dissolved in water was added to RBF and the moisture was dried at 90°C and 100 torr for 2 hours.
- a copolymer was prepared in the same manner as in Comparative Example 1, except that the total polymerization time including the oligomerization reaction was performed for 25 hours.
- Pentaerythritol (7.7g), SnO (tin oxide(II), 1.0g) and lactic acid (300g) were added to RBF and reaction was carried out at 150°C and 30mbar for 15 hours to polymerize the copolymer.
- the molecular weight was evaluated using Water e2695 model equipment and Agilent Plgel mixed c and b columns.
- the sample was prepared with 4 mg/ml chloroform as a solvent and 20 ul was injected.
- the weight average molecular weight, number average molecular weight, and polydispersity index were measured using gel permeation chromatography (GPC) (Tosoh ECO SEC Elite), and the results are shown in Table 1 below.
- 1 is the C-H peak value of the vinyl group of Formula 5 at the branch end of the branched poly(3-hydroxypropionic acid) polymer
- 2 is the branch of the branched poly(3-hydroxypropionic acid) polymer. This is the terminal beta C-H peak value of Chemical Formula 4 at the terminal.
- the titration point of the polymer was analyzed by titrating with 0.02N Potassium methoxide solution. At this time, DGi 116-solvent electrode was used in Mettler Toledo T5 equipment.
- Examples 1 to 5 contain more than 5% of vinyl groups at the branch ends, showing diversity in the polymer structure, maintaining its original physical properties, and having a wide range of molecular weights and other thermal properties.
- Branched poly(3-hydroxypropionic acid) polymers of acrylic-based structure can be prepared.
- the polymer structure having the desired four or more branched structures is diversified through the formation of branch terminal vinyl groups and cross-linking between branches during heat treatment, and if it contains a large number of terminal groups, ductility is imparted as a polymer material.
- This has the effect of lowering Tm, and the -OH functional group contained in the polymer is deactivated, thereby minimizing the problem of impurities remaining in the oligomer during copolymerization of polymers such as PLH.
- a solution of 3-hydroxypropionic acid (3HP) dissolved in water was placed in a round bottom flask (RBF) and pretreated for 2 hours at 80°C and below 100 torr.
- the prepared acrylic primary polymer (P3HP) was melted at 100°C, raised to 150°C, heat treated for 2 hours under an acid catalyst containing 300_mg of p-TSA (0.1 mol% compared to 3HP), and then the secondary polymer polymerization reaction was terminated.
- a branched polymer of formula 1 having a vinyl group at the chain end was prepared (crude). The heat treatment was performed at less than 5 torr.
- a solution of 3-hydroxypropionic acid (3HP) dissolved in water was placed in a round bottom flask (RBF) and pretreated for 2 hours at 90°C or lower and 100 torr or lower.
- the prepared acrylic primary polymer (P3HP) was melted at 100°C, raised to 170°C, heat treated under an acid catalyst containing 200 mg of p-TSA (0.18 mol% compared to 3HP) for more than 10 hours, and then the secondary polymer polymerization reaction was terminated.
- a branched polymer of Formula 1 having a vinyl group at the chain end was prepared.
- the heat treatment was carried out under normal pressure (crude).
- the prepared acrylic primary polymer (P3HP) was melted at 100°C, heated to 140°C, and heat-treated under 0.6 torr pressure and an acid catalyst containing 400 mg of p-TSA (0.18 mol% compared to 3HP) without stirring for 5 hours.
- a secondary polymerization reaction was performed to prepare (crude) a branched polymer of Formula 1 having a vinyl group at the end of the chain.
- a small amount (2 to 3 g) of the primary polymer (P3HP) polymerized in Example 8 was placed in a vial reactor and melted at 90°C, then heated to 150°C at a pressure of 0.9 torr and 80 mg of p-TSA (0.18 mol% compared to 3HP).
- a secondary polymerization reaction was performed without stirring through heat treatment under an acid catalyst for more than 15 hours to prepare a branched polymer having a vinyl group at the chain end (crude).
- the prepared acrylic primary polymer (P3HP) was heated to 180°C under a nitrogen atmosphere at normal pressure, heat treated under an acid catalyst containing 210 mg of p-TSA (0.18 mol% compared to 3HP) for 1 hour, and the secondary polymerization reaction was terminated to form a chain.
- a branched polymer of formula 1 having a vinyl group at the terminal was prepared (crude).
- Example 10 a branched polymer having a vinyl group at the chain end was prepared (crude) in the same manner as Example 10, except that the primary polymer polymerization time was changed to 25 hours.
- the precipitated polymer was filtered and dried overnight in a vacuum oven (10 torr) at room temperature to prepare a purified branched polymer with a vinyl group at the chain end.
- the molecular weight was evaluated using Water e2695 model equipment and Agilent Plgel mixed c and b columns.
- the sample was prepared with 4 mg/ml chloroform as a solvent and 20 ul was injected.
- the weight average molecular weight (Mw), number average molecular weight (Mn), molecular weight of the maximum peak (Mn), and polydispersity index (PDI) were measured using gel permeation chromatography (GPC), Tosoh ECO SEC Elite. , the results are shown in Table 1 below.
- 1 is the C-H peak value of the vinyl group of Formula 5 at the branch end of the branched poly(3-hydroxypropionic acid) polymer
- 2 is the branch of the branched poly(3-hydroxypropionic acid) polymer. This is the terminal beta C-H peak value of Chemical Formula 4 at the terminal.
- Each copolymer was heated/cooled at a rate of 10°C/min in the temperature range of -80°C to 150°C, and thermal scanning was performed.
- the temperature was cooled from 150°C to -80°C at 10°C/min (1st cooling)/maintained at -80°C for 10 minutes, and the temperature was raised at 10°C/min from -80°C to -150°C ( 2nd heating).
- Example 7 100 (crude, 10hrs) 9,390 15,100 13,900 1.6 15.1 /1.0 -20.1 34.3/7.0 59.6
- Example 8 58 (crude, 5 hours) 7,760 13,200 6,660 1.7 7.9 /4.3 -29.6 18.4/48.3 58.8
- Example 9 70 (crude, 15hrs) 7,620 11,400 5,000 1.5 8.2 /0.7 -28.8. N.D. 56.9
- Example 10 30 (crude, 25hrs) 18,000 32,900 28,700 1.8 N.D. -25.9 N.D. 57.3
- Example 11 52 (crude, 25hrs) 7,250 14,900 4,200 2.1 10.2 /0.4 -25.1 29.1/4.6 57.3
- Example 12 62 (tablets) 8,160 16,000 6,700 2.0 23.5/30.9 -23.2 18.1/22.9 66.4
- Examples 6 to 12 contain more than 5% of vinyl groups at the branch ends, showing diversity in the polymer structure, maintaining its unique physical properties, and having a wide range of molecular weights and other thermal properties.
- Branched poly(3-hydroxypropionic acid) polymers of acrylic-based structure can be prepared.
- the polymer structure having the desired four or more branched structures is diversified through the formation of branch terminal vinyl groups and cross-linking between branches during heat treatment, and the resulting thermal properties are improved compared to the comparative examples. It can be seen that Tg and Tm are lowered.
- the content of the vinyl group at the branch end can be adjusted in various ways to lower the Tm and lower the crystallinity of the branched structure, thereby lowering the brittle characteristics.
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Abstract
Description
| 분지말단 비닐기 함량(%) |
Mn | Mw | PDI | 산가 | |
| 비교예 1 | 11 | 14288 | 27511 | 1.93 | 175 |
| 비교예 2 | 18 | 16628 | 32676 | 1.97 | 167 |
| 비교예 3 | 0 | 2231 | 3799 | 1.70 | - |
| 실시예 1 | 16 | 11647 | 49798 | 4.27 | 84 |
| 실시예 2 | 24 | 16857 | 49035 | 2.91 | 56 |
| 실시예 3 | 28 | 22034 | 70204 | 3.19 | 67 |
| 실시예 4 | 20 | 18402 | 49088 | 2.67 | 90 |
| 실시예 5 | 26 | 14002 | 48800 | 3.48 | 135 |
| 구분 | 분지말단 비닐기 함량(%) |
분자량 특성 평가 | 열적 특성 평가 | ||||||
| Mn | Mw | Mp | PDI | Tc(℃) /ΔH(J/g) |
Tg(℃) | Tcc(℃) /ΔH(J/g) |
Tm(℃) | ||
| 실시예 6 | 43 (crude, 2hr) |
10,400 | 18,800 | 15,300 | 1.8 | 32.6 /65.6 |
-21.3 | N.D. | 56.3 |
| 실시예 7 | 100 (crude, 10hr) | 9,390 | 15,100 | 13,900 | 1.6 | 15.1 /1.0 |
-20.1 | 34.3/7.0 | 59.6 |
| 실시예 8 | 58 (crude, 5시간) | 7,760 | 13,200 | 6,660 | 1.7 | 7.9 /4.3 |
-29.6 | 18.4/48.3 | 58.8 |
| 실시예 9 | 70 (crude, 15hr) | 7,620 | 11,400 | 5,000 | 1.5 | 8.2 /0.7 |
-28.8. | N.D. | 56.9 |
| 실시예 10 | 30 (crude, 25hr) | 18,000 | 32,900 | 28,700 | 1.8 | N.D. | -25.9 | N.D. | 57.3 |
| 실시예 11 | 52 (crude, 25hr) | 7,250 | 14,900 | 4,200 | 2.1 | 10.2 /0.4 |
-25.1 | 29.1/4.6 | 57.3 |
| 실시예 12 | 62 (정제) | 8,160 | 16,000 | 6,700 | 2.0 | 23.5/30.9 | -23.2 | 18.1/22.9 | 66.4 |
Claims (9)
- 하기 화학식 1로 표시되는 분지형 폴리(3-하이드록시프로피온산) 중합체:[화학식 1]R-[A-(B)n-C]k상기 화학식 1에서,R은 다관능성 단량체로부터 유래한 4가 이상의 작용기이고,A는 직접 결합이거나, 에테르, 설파이드, 에스터, 티오에스터, 케톤, 설폭사이드, 설폰, 설포네이트에스터, 아민, 아마이드, 이민, 이미드, 또는 우레탄으로부터 유래한 연결기이고,B는 하기 화학식 2 또는 화학식 3으로 표시되는 치환기이고,[화학식 2][화학식 3]*는 A와 연결되는 부분이고, k는 3 이상의 정수이고, n은 1 내지 700의 정수이고,C는 하기 화학식 4 또는 화학식 5로 표시되는 치환기이다.[화학식 4][화학식 5]
- 제1항에 있어서,상기 분지형 폴리(3-하이드록시프로피온산) 중합체의 산가가 150 meq/kg 이하인, 분지형 폴리(3-하이드록시프로피온산) 중합체.
- 제1항에 있어서,상기 분지형 폴리(3-하이드록시프로피온산) 중합체에서,상기 화학식 4 및 화학식 5의 총합에 대한 화학식 5의 개수 비율이 5% 이상인, 분지형 폴리(3-하이드록시프로피온산) 중합체.
- 제 1 항에 있어서,상기 다관능성 단량체는,펜타에리스리톨(pentaerythritol), 4-arm-폴리(에틸렌글리콜)n=2~10(4-arm-poly(ethyleneglycol)n=2~10), 디(트리메틸올프로판)(di(trimethylolpropane)), 디펜타에리스리톨(di(pentaerythritol)), 트리펜타에리스리톨(tri(pentaerythritol))), 자일리톨(xylitol), 소르비톨(sorbitol), 이노시톨(inositol,), 콜릭산(cholic acid), β-시클로덱스트린(β-cyclodextrin), 테트라하이드록시페릴렌(tetrahydroxyperylene), 피리딘-테트라아민(PTA: pyridine-tetraamine), 디에틸렌트리아민펜타아세트산(diethylenetriaminepentaacetic acid) 및 테트라아세틸렌 펜타아민(tetraacetylene pentamine)으로 구성된 그룹에서 선택되는 1 이상을 포함하는분지형 폴리(3-하이드록시프로피온산) 중합체.
- 제 1 항에 있어서,상기 분지형 폴리(3-하이드록시프로피온산) 중합체의 중량평균분자량이 1,000 내지 300,000인,분지형 폴리(3-하이드록시프로피온산) 중합체.
- 제 1 항에 있어서,상기 분지형 폴리(3-하이드록시프로피온산) 중합체의 수평균분자량이 500 내지 100,000인,분지형 폴리(3-하이드록시프로피온산) 중합체.
- 제 1 항에 있어서,상기 분지형 폴리(3-하이드록시프로피온산) 중합체의 다분산 지수가 1.00 내지 13.0인,분지형 폴리(3-하이드록시프로피온산) 중합체.
- 제 1 항에 있어서,상기 분지형 폴리(3-하이드록시프로피온산) 중합체의 유리전이온도(Tg)가 -40℃ 내지 -10℃이고상기 분지형 폴리(3-하이드록시프로피온산) 중합체의 녹는점이 40℃ 내지 100℃인,분지형 폴리(3-하이드록시프로피온산) 중합체.
- 제 1 항에 있어서,상기 분지형 폴리(3-하이드록시프로피온산) 중합체는 3-하이드록시프로피온산 유래 반복 단위 대비 상기 다관능성 단량체로부터 유래한 4가 이상의 작용기 0.1 mol% 내지 25 mol%를 포함하는,분지형 폴리(3-하이드록시프로피온산) 중합체.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202380035592.8A CN119156411A (zh) | 2022-11-04 | 2023-11-03 | 支化聚(3-羟基丙酸)聚合物 |
| JP2024563692A JP7856362B2 (ja) | 2022-11-04 | 2023-11-03 | 分枝型ポリ(3-ヒドロキシプロピオン酸)重合体 |
| EP23886359.1A EP4509542A4 (en) | 2022-11-04 | 2023-11-03 | BRANCHED POLY(3-HYDROXYPROPIONIC ACID) POLYMER |
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| KR20220146014 | 2022-11-04 | ||
| KR10-2022-0146011 | 2022-11-04 | ||
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| KR20220146011 | 2022-11-04 | ||
| KR1020230031735A KR20240138255A (ko) | 2023-03-10 | 2023-03-10 | 분지형 폴리(3-하이드록시프로피온산) 중합체 및 이의 제조 방법 |
| KR10-2023-0031735 | 2023-03-10 | ||
| KR1020230150442A KR102943416B1 (ko) | 2022-11-04 | 2023-11-03 | 분지형 폴리(3-하이드록시프로피온산) 중합체 |
| KR10-2023-0150442 | 2023-11-03 |
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| KR20140053098A (ko) * | 2011-06-15 | 2014-05-07 | 바스프 에스이 | 술포네이트 기를 갖는 분지형 폴리에스테르 |
| KR20210038251A (ko) * | 2019-09-30 | 2021-04-07 | 주식회사 엘지화학 | 말단 개질 물질을 이용한 폴리(3-하이드록시프로피오네이트)의 제조방법 |
| US20210403639A1 (en) * | 2020-06-25 | 2021-12-30 | Akina, Inc | Synthesis of environmentally degradable alkyl polyesters |
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| JP3295217B2 (ja) * | 1994-02-08 | 2002-06-24 | 株式会社トクヤマ | ポリ(2−オキセタノン)組成物 |
| JP7572184B2 (ja) * | 2019-09-20 | 2024-10-23 | 保土谷化学工業株式会社 | ラクトン重合体の製造方法 |
| CN114621419A (zh) * | 2022-03-14 | 2022-06-14 | 大连理工大学 | 一类β-丙内酯共聚物及其制备方法 |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140053098A (ko) * | 2011-06-15 | 2014-05-07 | 바스프 에스이 | 술포네이트 기를 갖는 분지형 폴리에스테르 |
| KR20210038251A (ko) * | 2019-09-30 | 2021-04-07 | 주식회사 엘지화학 | 말단 개질 물질을 이용한 폴리(3-하이드록시프로피오네이트)의 제조방법 |
| US20210403639A1 (en) * | 2020-06-25 | 2021-12-30 | Akina, Inc | Synthesis of environmentally degradable alkyl polyesters |
Non-Patent Citations (2)
| Title |
|---|
| EFKAN ÇATIKER: "Direct Synthesis of Hyperbranched Poly(acrylic acid-co-3-hydroxypropionate)", INTERNATIONAL JOURNAL OF POLYMER SCIENCE, HINDAWI PUBLISHING CORPORATION, vol. 2015, 1 January 2015 (2015-01-01), pages 1 - 7, XP093167460, ISSN: 1687-9422, DOI: 10.1155/2015/231059 * |
| ZHAO LI; LIN JINPING; WANG HUALEI; XIE JINGLI; WEI DONGZHI: "Development of a two-step process for production of 3-hydroxypropionic acid from glycerol usingKlebsiella pneumoniaeandGluconobacter oxydans", BIOPROCESS AND BIOSYSTEMS ENGINEERING, SPRINGER, DE, vol. 38, no. 12, 20 October 2015 (2015-10-20), DE , pages 2487 - 2495, XP035577885, ISSN: 1615-7591, DOI: 10.1007/s00449-015-1486-4 * |
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| JP7856362B2 (ja) | 2026-05-11 |
| JP2025516008A (ja) | 2025-05-23 |
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