WO2015065050A1 - 장쇄 분지를 갖는 지방족 폴리카보네이트 및 이의 방향족 폴리에스터 공중합체 - Google Patents
장쇄 분지를 갖는 지방족 폴리카보네이트 및 이의 방향족 폴리에스터 공중합체 Download PDFInfo
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- WO2015065050A1 WO2015065050A1 PCT/KR2014/010267 KR2014010267W WO2015065050A1 WO 2015065050 A1 WO2015065050 A1 WO 2015065050A1 KR 2014010267 W KR2014010267 W KR 2014010267W WO 2015065050 A1 WO2015065050 A1 WO 2015065050A1
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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
- C08G63/64—Polyesters containing both carboxylic ester groups and carbonate groups
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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
- C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
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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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/02—Aliphatic polycarbonates
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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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/02—Aliphatic polycarbonates
- C08G64/0208—Aliphatic polycarbonates saturated
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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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/02—Aliphatic polycarbonates
- C08G64/0208—Aliphatic polycarbonates saturated
- C08G64/0225—Aliphatic polycarbonates saturated containing atoms other than carbon, hydrogen or oxygen
- C08G64/0241—Aliphatic polycarbonates saturated containing atoms other than carbon, hydrogen or oxygen containing nitrogen
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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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/16—Aliphatic-aromatic or araliphatic polycarbonates
- C08G64/1608—Aliphatic-aromatic or araliphatic polycarbonates saturated
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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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/30—General preparatory processes using carbonates
- C08G64/305—General preparatory processes using carbonates and alcohols
Definitions
- the techniques disclosed herein relate to aliphatic polycarbonates with long chain branching of novel structures and aromatic polyester copolymers thereof and methods for their preparation.
- Aliphatic polycarbonates are biodegradable, environmentally friendly polymers.
- the most suitable method for mass production of aliphatic polycarbonates is the condensation reaction of dimethyl carbonate (DMC) with various diols (Scheme 1).
- DMC is a low-cost compound that was previously manufactured from toxic phosgene, but is now being manufactured in large quantities due to the development of carbon monoxide or more environmentally friendly processes made from carbon dioxide.
- Much literature has been reported on the condensation reaction of DMC with diols.
- the first problem to be solved by the present invention is to provide an aliphatic polycarbonate having a long chain branch.
- the second problem to be solved by the present invention is to provide an aliphatic polycarbonate-aromatic polyester copolymer having a long chain branch.
- a third object of the present invention is to provide a method for producing an aliphatic polycarbonate having a long chain branch.
- a fourth object of the present invention is to provide a method for preparing an aliphatic polycarbonate-aromatic polyester copolymer having a long chain branch.
- an aspect of the present invention comprises a repeating unit of -OAO- and a repeating unit of Z (O-) a, the repeating unit of the -OAO- and the Z (O-) a
- the repeating unit of provides an aliphatic polycarbonate-aromatic polyester copolymer connected by carbonyl [-C (O)-] and -C (O) YC (O)-linking groups.
- A is one or two or more substituted or unsubstituted alkylenes having 3 to 60 carbon atoms; a is an integer of 3 or more, Z is a substituted or unsubstituted 4 to 60 carbon atoms are radicals; Y is one or two or more substituted or unsubstituted arylene having 5 to 20 carbon atoms, or substituted or unsubstituted heteroarylene having 5 to 20 carbon atoms.
- the aliphatic polycarbonate-aromatic polyester copolymer may have a weight average molecular weight of 80,000 or more, and a molecular weight distribution value of 2.0 or more.
- alkyl includes straight, branched or cyclic hydrocarbon radicals
- alkylene refers to a divalent radical derived from alkyl.
- alkylene includes methylene, ethylene, isobutylene, cyclohexylene, cyclopentylethylene, 2-propenylene, 3-butynylene and the like.
- Alkylene includes the case containing -O- or phenylene in the main chain.
- -NR c R c is meant to include -NH 2 , -NH-alkyl, N-pyrrolidinyl and N-morpholinyl.
- substituted alkyl is -alkylene-O-alkyl, -alkylene-heteroaryl, -alkylene-cycloheteroalkyl, -alkylene-C (O) OR b , -alkylene-C (O ) NR b R b , and —CH 2 —CH 2 —C (O) —CH 3 .
- the one or more substituents may be selected with the atoms to which they are attached to form a cyclic ring comprising cycloalkyl and cycloheteroalkyl.
- the distribution value can be widened to 4.30 (Example 3).
- a wide molecular weight distribution can increase processability and physical properties at the same time, so the development of technology for producing a polymer having a wide molecular weight distribution is also a major issue in polyethylene production.
- HOAOH which is a raw material of the repeating unit of -OAO- is selected from the group consisting of [Formula 1a] to [Formula 1h]
- Z (OH) a which is a raw material of the repeating unit of Z (O-) a is selected from the group consisting of [Formula 2a] to [Formula 2d]
- HOC (O) YC (O) OH a raw material of the —C (O) YC (O) — linker, provides an aliphatic polycarbonate-aromatic polyester copolymer selected from phthalic acid, isophthalic acid, or terephthalic acid.
- the compound of Formula 1a i.e., 1,4-butanediol
- 1,4-butanediol is a low-cost compound that is currently produced and used in large quantities.
- commercial processes for producing coal are being expanded, and recently, bio-mass
- the development of the process of manufacturing by fermentation is also very active, and the polymer produced using this as a raw material is very attractive.
- HOC (O) YC (O) OH which is a raw material of the -C (O) YC (O)-linking group
- terephthalic acid terephthalic acid
- the amount of -C (O) YC (O)-linking group derived from terephthalic acid is 30 to 50 mol% of the amount of repeating units of -OAO-, there is a melting point ranging from 95 o C to 146 o C similar to polyethylene.
- the amount of repeating units of Z (O-) a is 0.1 to 0.5 mol% of the amount of repeating units of -OAO-, the gel is free from gel formation even if the number average molecular weight is greater than 70,000 Do. If a large amount of gel is formed, it may cause problems in processing.
- another aspect of the present invention comprises a repeating unit of -OAO- and a repeating unit of Z (O-) a, the repeating unit of the -OAO- and the Z (O-) a Repeating units of are linked by a carbonyl [—C (O) —] linker;
- An aliphatic polycarbonate copolymer having a weight average molecular weight of 30,000 or more is provided.
- A, Z and a are the same as defined above.
- the aliphatic polycarbonate copolymer may have a weight average molecular weight of 50,000 or more, and a molecular weight distribution value of 2.0 or more.
- An example of preparing an aliphatic polycarbonate by further adding Z (OH) 3 compound [Formula 2b] when condensing diol and DMC has been disclosed (EP0302712B1).
- examples of preparing an aliphatic polycarbonate by further adding [Formula 2a] as a Z (OH) 3 type compound have been disclosed (EP 798,328).
- all of the disclosed compounds are several thousand molecular weight macro-polyol compounds having a molecular weight of several thousand for use as polyurethane raw materials, and are different from large molecular weight aliphatic polycarbonates having a weight average molecular weight of 30,000 or more as claimed in the present invention.
- FIG. 1 shows strategies for making aliphatic polycarbonates conventionally.
- the strategy of FIG. 1 (a) was taken to prepare a macromolecular compound having a molecular weight of several thousand units for use as a polyurethane raw material. That is, in the first step, an oligomer in which an -OH terminal is present in excess is prepared and condensed while removing methanol at a high temperature under reduced pressure, thereby preparing a macro-polyol having a molecular weight of several thousand in which all of the terminals are OH.
- Such a strategy has not been reported to produce a high molecular weight polymer having a weight average molecular weight of 30,000 or more.
- condensation may be further performed by further removing HOAOH, thereby increasing the molecular weight in the presence of an excess of -OH groups, and it is not easy to remove HOAOH.
- branched aliphatic polycarbonates having published units of Z (O-) a are limited to compounds with molecular weights as low as thousands.
- the strategy of FIG. 1 (b) was taken to prepare a polymer having a high molecular weight.
- an attempt was made to prepare a polymer having a high molecular weight by generating an oligomer in which an excess of -C (O) OCH 3 terminal is present in the first step and condensing it while removing DMC under high temperature and reduced pressure.
- the condensation reaction rate by the removal reaction became very slow, and most of them failed to obtain a polymer having a weight average molecular weight of 30,000 or more.
- Chuncheng Li is the only strategy in FIG.
- aliphatic polycarbonates having a weight average molecular weight of 100,000 or more can be prepared by condensation of DMC and 1,4-butanediol using a TiO 2 / SiO 2 / poly (vinyl pyrrolidone) mixture solid catalyst. try to add input into the compound of a type that you want to introduce a long chain branches did all.
- This invention is based on the technique which can manufacture aliphatic polycarbonate with a large molecular weight using a simple base catalyst. That is, by thoroughly dehydrating the diol monomer in the strategy of FIG. 1 (c), -OH and -OCH 3 to prepare an oligomer of ⁇ 1: 1 to significantly increase the reaction rate by condensation under a second step of high temperature decompression. This allows a short time reaction using a small amount of base catalyst to produce aliphatic polycarbonates having high molecular weight. With this strategy, aliphatic polycarbonates having a weight average molecular weight of 30,000 or more can be prepared with a short reaction time.
- a Z (OH) a type compound yields an aliphatic polycarbonate having a long chain branching.
- the long chain branching as described in the aliphatic polycarbonate-aromatic polyester, it is expected to improve melt-fracture resistance and shear-thinning in terms of rheology, thereby improving workability.
- Z (OH) a (a is an integer of 3 or more) and condensation a polymer having a large molecular weight can be obtained more easily, and a polymer having a wide molecular weight distribution can be obtained (see Examples).
- HOAOH which is a raw material of the repeating unit of -OAO-, is selected from the group consisting of [Formula 1a] to [Formula 1h];
- Z (OH) a which is a raw material of the repeating unit of Z (O-) a is selected from the group consisting of [Formula 2a] to [Formula 2d] [Formula 1a] to [Formula 1h], and [Formula 1h] 2a] to [Formula 2d] are preferable because they can be purchased in large quantities on the market.
- HOAOH which is a raw material of a repeating unit of -OAO-
- 1,4-butanediol represented by the above [Formula 1a] the obtained polymer is crystalline and 1,4-butanediol is currently produced in large quantities. There is charm in that it is.
- another aspect of the present invention provides a method for preparing an aliphatic polycarbonate-aromatic polyester copolymer having the long chain branching described above. That is, the preparation method is to heat the HO-A-OH, Z (OH) a , dimethyl carbonate, and MeOC (O) YC (O) O Me mixture above the boiling point of the dimethyl carbonate under a base catalyst, methanol by-products A first step of removing the condensation reaction; And a second step of reacting the product of the first step under reduced pressure and distillation to remove volatiles.
- the molar ratio of the alkoxy group to the hydroxy group in the oligomer produced in the first step is controlled to 1: 1: (1-1.3).
- A, Z, and Y are as defined above.
- the condensation reaction proceeds mainly while removing methanol, and the methanol removal reaction has a considerably high conversion rate. Also relatively fast in the polymer can be obtained a large molecular weight.
- the condensation reaction of aliphatic diols (HO-A-OH), polyol Z (OH) a with dimethylcarbonate and MeOC (O) YC (O) OMe is a new reaction that has not been published.
- the base catalyst is composed of an alkoxy anion formed by the deprotonation reaction of lithium, sodium, or potassium cations with the HOAOH, and the amount of the base catalyst is 0.01 mol% to 0.5 mol% relative to the HOAOH injected. Is preferably. If the amount of the catalyst is more than 0.5 mol% may adversely affect the molecular weight increase, and as the reaction proceeds, the shape of the catalyst may be precipitated and may affect the physical properties of the final polymer. If the amount of the catalyst is less than 0.01 mol%, the reaction rate is too slow to prepare a polymer having a large molecular weight. By using a small amount of catalyst it can be used without removing the catalyst residue after the reaction.
- the catalyst present in the catalyst and the resulting polymer present in the invention are salts composed of an alkali cation and an alkoxy anion of the terminal.
- the base catalyst may be used as it is without removing or neutralizing.
- the base catalyst may be neutralized by adding an equivalent amount of melamine phenylphosphonate or acyl halide.
- the HOAOH is selected from the group consisting of [Formula 1a] to [Formula 1h];
- Z (OH) a is selected from the group consisting of [Formula 2a] to [Formula 2d]; If the HOC (O) YC (O) OH is selected from phthalic acid, isophthalic acid, or terephthalic acid, these compounds are preferred because they are inexpensive materials that are widely used in industry.
- another aspect of the present invention is to heat HO-A-OH, Z (OH) a , and dimethyl carbonate above the boiling point of the dimethyl carbonate under a base catalyst, Removing and condensing the first step; And a second step of reacting the product of the first step under reduced pressure and distillation to remove volatiles, wherein the molar ratio of the alkoxy group to the hydroxyl group in the product of the first step is 1: (1-1.3). It provides a method for producing an aliphatic polycarbonate, characterized in that the control to be). Where A and Z are as defined above.
- the molar ratio of the alkoxy group to the hydroxy group in the oligomer produced in the first step is controlled to be 1: 1 (1-1.3). That is, by thoroughly dehydrating the diol monomer in the strategy of FIG. 1 (c), -OH and -OCH 3 to prepare an oligomer of ⁇ 1: 1 to significantly increase the reaction rate by condensation under a second step of high temperature reduced pressure. This allows a short time reaction using a small amount of base catalyst to produce aliphatic polycarbonates having high molecular weight.
- a method for producing a high molecular weight aliphatic polycarbonate is a method of producing an oligomer with an excess of -OCH 3 terminal in the first step in the method of Figure 1 (b) and condensed while removing the DMC under high temperature and reduced pressure molecular weight Attempts have been made to produce these large polymers, but in the state where the molecular weight is somewhat large, the DMC removal reaction rate is very slow, and most of them fail to obtain polymers having a weight average molecular weight of 30,000 or more. Under the condition of the present invention, a condensation reaction occurs while methanol is mainly removed, and condensation through the reaction can easily prepare a polymer having a high molecular weight.
- the base catalyst is composed of an alkoxy anion formed by the deprotonation reaction of lithium, sodium, or potassium cations with the HOAOH, and the amount of the base catalyst is 0.01 mol% to 0.5 mol% relative to the HOAOH introduced. It is preferable for reasons. And when HOAOH is selected from the group consisting of [Formula 1a] to [Formula 1h], and Z (OH) a is selected from the group consisting of [Formula 2a] to [Formula 2d], desirable.
- the present invention provides an aliphatic polycarbonate having a long chain branch, an aromatic polyester copolymer thereof, and a method of preparing the same.
- a long chain branch By introducing a long chain branch, a polymer having a large molecular weight can be produced more easily, and a polymer having a broad molecular weight distribution can be obtained.
- the introduction of long-chain branches can provide a high melt-fracture resistance in rheology, and at the same time impart a shear-thinning tendency, which is called blown film, cast film, It can be exhibited with excellent processability in applications such as injection molding, blow molding, thermoforming and the like.
- Example 1-11 Preparation of various aliphatic polycarbonate-aromatic polyester copolymers having long chain branching (condensation reaction of DMC and dimethyl terephthalate with [Formula 1a] and [Formula 2a] to [Formula 2d])
- Comparative Example 1 Preparation of aliphatic polycarbonate-aromatic polyester copolymer in the absence of Z (OH) a
- Example 12-20 Preparation of Various Aliphatic Polycarbonates Having Long Chain Branches (Condensation Reaction of [Formula 1a] and [Formula 2a] to [Formula 2d] with DMC)
- Step 1 The water of the mixture was removed in the same manner as in Example 1-11, and dimethyl terephthalate was not added, but 15.7 g (174 mmol) was added to increase the amount of DMC.
- the reaction vessel was immersed in a 120 ° C. bath and reacted for 1 hour while removing the generated methanol and some DMC at atmospheric pressure.
- the temperature was increased to 190 ° C., 0.5 hour at 570 mmHg, 1 hour at 380 mmHg, and 2 hours at 190 mmHg to remove the volatiles and reacted for a total of 3.5 hours. Thereafter, 0.3 mmHg of vacuum was continuously applied with a vacuum pump to further react for 2 hours while removing volatiles.
- Table 2 The experimental results are summarized in Table 2 below.
- Example 12-20 The same experiment as in Example 12-20 was carried out except that Z (OH) a (Chemical Formula 2a] to Chemical Formula 2d] was not added. The yield was 90%, M w was 146000, M w / M n was 1.53.
- an aliphatic polycarbonate having a long chain branch and a broad molecular weight distribution or an aromatic polyester copolymer thereof can be obtained by introducing a polyol compound during the condensation reaction. can confirm.
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Abstract
Description
| Z(OH)a/양(BD 대비 mol %) | 수득율a (%) | Mw b | Mw/Mn b | Tm c (℃) | 겔 비율d (%) | |
| 실시예 1 | 화학식 2a/0.25 | 91 | 118000 | 2.34 | 38-140(48,112) | - |
| 실시예 2 | 화학식 2a/0.40 | 91 | 201000 | 3.72 | 39-140(49,112) | - |
| 실시예 3 | 화학식 2a/0.50 | 91 | 190000 | 4.30 | 39-137(48,111) | - |
| 실시예 4 | 화학식 2a/0.60 | 92 | 209000 | 5.51 | 39-138(53, 113) | 33 |
| 실시예 5 | 화학식 2a/0.70 | 91 | 123000 | 3.61 | 35-141(50, 114) | 54 |
| 실시예 6 | 화학식 2b/0.20 | 90 | 140000 | 3.00 | 40-140(48, 112) | - |
| 실시예 7 | 화학식 2c/0.20 | 92 | 116000 | 2.44 | 38-140(48, 114) | - |
| 실시예 8 | 화학식 2d/0.20 | 90 | 174000 | 3.45 | 43-142(53, 114) | - |
| 실시예 9 | 화학식 2d/0.30 | 91 | 213000 | 5.03 | 47-138(55, 110) | 23 |
| 실시예 10 | 화학식 2d/0.40 | 93 | 216000 | 5.21 | 31-137(41, 114) | 17 |
| 실시예 11 | 화학식 2d/0.50 | 90 | 129000 | 3.89 | 41-139(48, 112) | 62 |
| Z(OH)2/양(BD 대비 mol %) | 수득율a (%) | Mw b | Mw/Mn b | Tm c (℃) | 겔 비율d (%) | |
| 실시예 12 | 화학식 2a/0.20 | 85 | 243000 | 3.62 | 41-61 (54) | - |
| 실시예 13 | 화학식 2a/0.30 | 90 | 203000 | 3.67 | 41-63 (57) | |
| 실시예 14 | 화학식 2a/0.40 | 90 | 263000 | 4.70 | 41-61 (55) | 3.8 |
| 실시예 15 | 화학식 2a/0.50 | 92 | 246000 | 4.87 | 41-61 (55) | 17 |
| 실시예 16 | 화학식 2a/0.60 | 89 | 235000 | 4.68 | 40-60 (55) | 47 |
| 실시예 17 | 화학식 2d/0.20 | 91 | 218000 | 4.13 | 41-62 (56) | - |
| 실시예 18 | 화학식 2d/0.30 | 88 | 249000 | 4.60 | 40-60 (55) | 67 |
| 실시예 19 | 화학식 2d/0.40 | 88 | 183000 | 4.03 | 41-62 (57) | 36 |
| 실시예 20 | 화학식 2d/0.50 | 86 | 161000 | 4.91 | 42-62 (57) | 38 |
Claims (12)
- -OAO-의 반복 단위체 및 Z(O-)a의 반복 단위체를 포함하며,상기 -OAO-의 반복 단위체 및 상기 Z(O-)a의 반복 단위체가 카보닐[-C(O)-] 및 -C(O)YC(O)- 연결기에 의하여 연결된 지방족 폴리카보네이트-방향족 폴리에스터 공중합체.[여기서, A는 하나 또는 두 종 이상의 치환 또는 비치환된 탄소 수 3 내지 60의 알킬렌이고; a는 3이상 정수이고, Z는 치환 또는 비치환된 탄소 수 4 내지 60의 a가 라디칼이고; Y는 하나 또는 두 종 이상의 치환 또는 비치환된 탄소수 5내지 20의 아릴렌, 또는 치환 또는 비치환된 탄소수 5 내지 20의 헤테로아릴렌이다.]
- 청구항 1에서,상기 -OAO-의 반복 단위체의 원료 물질인 HOAOH가 상기 [화학식 1a]이고;상기 Z(O-)a의 반복 단위체의 원료 물질인 Z(OH)a 가 상기 [화학식 2a] 내지 [화학식2d] 로 이루어진 군 중에서 선택되고;상기 -C(O)YC(O)- 연결기의 원료 물질인 HOC(O)YC(O)OH가 테레프탈산인 지방족 폴리카보네이트-방향족 폴리에스터 공중합체.
- 청구항 3에서,상기 -C(O)YC(O)- 연결기의 양이 상기 -OAO-의 반복 단위체의 양의 30 내지 50 mol%이고;Z(O-)a의 반복 단위체의 양이 상기 -OAO-의 반복 단위체의 양의 0.1내지 0.5 mol%인 지방족 폴리카보네이트-방향족 폴리에스터 공중합체.
- -OAO-의 반복 단위체 및 Z(O-)a의 반복 단위체를 포함하며,상기 -OAO-의 반복 단위체 및 상기 Z(O-)a의 반복 단위체가 카보닐[-C(O)-] 연결기에 의하여 연결되고;무게평균 분자량이 3만 이상인 지방족 폴리카보네이트.[여기서, A는 하나 또는 두 종 이상의 치환 또는 비치환된 탄소 수 3 내지 60의 알킬렌이고; a는 3이상 정수이고, Z는 치환 또는 비치환된 탄소 수 4 내지 60의 a가 라디칼이고; Y는 하나 또는 두 종 이상의 치환 또는 비치환된 탄소수 5내지 20의 아릴렌, 또는 치환 또는 비치환된 탄소수 5 내지 20의 헤테로아릴렌이다.]
- 청구항 1에서,상기 -OAO-의 반복 단위체의 원료 물질인 HOAOH가 상기 [화학식 1a]인 지방족 폴리카보네이트.
- 청구항 7에서,상기 Z(O-)a 양이 상기 -OAO-의 반복 단위체의 양의 0.1내지 0.4 mol%인 지방족 폴리카보네이트.
- 염기 촉매 하에 HO-A-OH, Z(OH)a, 다이메틸카보네이트, 및 MeOC(O)YC(O)OMe 혼합물을 상기 다이메틸카보네이트 끓는 점 이상에서 가열하되, 메탄올 부산물을 제거하며 축합반응시키는 제1 단계; 및상기 제1 단계의 생성물을 감압 및 증류하여 휘발성 물질을 제거하면서 반응시키는 제2 단계를 포함하되,상기 제1 단계에서 생성된 올리고머에서 하이드록시기에 대한 알콕시기의 몰비가 1 : (1 - 1.3)이 되도록 제어함을 특징으로 하는 지방족 폴리카보네이트-방향족 폴리에스터 공중합체의 제조방법.[여기서, A는 하나 또는 두 종 이상의 치환 또는 비치환된 탄소 수 3 내지 60의 알킬렌이고; a는 3이상 정수이고, Z는 치환 또는 비치환된 탄소 수 4 내지 60의 a가 라디칼이고; Y는 하나 또는 두 종 이상의 치환 또는 비치환된 탄소수 5내지 20의 아릴렌, 또는 치환 또는 비치환된 탄소수 5 내지 20의 헤테로아릴렌이다.]
- 청구항 9에서,상기 염기 촉매가 리튬, 나트륨, 또는 칼륨 양이온과 상기 HOAOH의 탈양성자 반응에 의하여 형성된 알콕시 음이온으로 구성된 것이고, 상기 염기 촉매의 양이 투입한 상기 HOAOH 대비 0.01 mol% 내지 0.5 mol%이고;상기 HOAOH가 하기 [화학식 1a] 내지 [화학식1h]로 이루어진 군 중에서 선택되고;상기 Z(OH)a 가 하기 [화학식 2a] 내지 [화학식2d]로 이루어진 군 중에서 선택되고;상기 HOC(O)YC(O)OH가 프탈산, 아이소프탈산, 또는 테레프탈산에서 선택된 지방족 폴리카보네이트-방향족 폴리에스터 공중합체의 제조방법.
- 염기 촉매 하에 HO-A-OH, Z(OH)a, 및 다이메틸카보네이트를 상기 다이메틸카보네이트 끓는 점 이상에서 가열하되, 메탄올 부산물을 제거하며 축합반응시키는 제1 단계; 및상기 제1 단계의 생성물을 감압 및 증류하여 휘발성 물질을 제거하면서 반응시키는 제2 단계를 포함하되,상기 제1 단계에서 생성된 올리고머에서 하이드록시기에 대한 알콕시기의 몰비가 1 : (1 - 1.3)이 되도록 제어함을 특징으로 하는 지방족 폴리카보네이트의 제조방법.[여기서, A는 하나 또는 두 종 이상의 치환 또는 비치환된 탄소 수 3 내지 60의 알킬렌이고; a는 3 이상 정수이고, Z는 치환 또는 비치환된 탄소 수 4 내지 60의 a가 라디칼이다.]
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| US15/028,860 US9975990B2 (en) | 2013-10-30 | 2014-10-29 | Aliphatic polycarbonate with long-chain branches and aromatic copolyester thereof |
| JP2016548994A JP6604956B2 (ja) | 2013-10-30 | 2014-10-29 | 長鎖分枝を有する脂肪族ポリカーボネート及びその芳香族ポリエステル共重合体 |
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| EP3048124A1 (en) | 2016-07-27 |
| US9975990B2 (en) | 2018-05-22 |
| JP6604956B2 (ja) | 2019-11-13 |
| KR101396110B1 (ko) | 2014-05-16 |
| CN105683242A (zh) | 2016-06-15 |
| JP2016533428A (ja) | 2016-10-27 |
| US20160251475A1 (en) | 2016-09-01 |
| CN105683242B (zh) | 2018-04-17 |
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| EP3048124A4 (en) | 2017-09-13 |
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