WO2019103339A2 - 폴리에테르에스테르 공중합체의 제조 방법 - Google Patents
폴리에테르에스테르 공중합체의 제조 방법 Download PDFInfo
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- WO2019103339A2 WO2019103339A2 PCT/KR2018/013024 KR2018013024W WO2019103339A2 WO 2019103339 A2 WO2019103339 A2 WO 2019103339A2 KR 2018013024 W KR2018013024 W KR 2018013024W WO 2019103339 A2 WO2019103339 A2 WO 2019103339A2
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- Prior art keywords
- polyether
- copolymer
- diol
- ester copolymer
- reaction
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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
- C08G63/66—Polyesters containing oxygen in the form of ether groups
- C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/672—Dicarboxylic acids and dihydroxy compounds
-
- 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
Definitions
- the present invention relates to a process for producing a polyetherester copolymer and more specifically to a process for producing a polyetherester copolymer having a high polyether content and a low viscosity and a high viscosity using a dicarboxylic acid as a starting material
- thermoplastic polyetherester elastomer thermo plast ic poly (ether ester ) elastomer, TPEE
- thermoplastic polyetherester elastomer thermo plast ic poly (ether ester ) elastomer, TPEE
- TPEE thermoplastic polyetherester elastomer
- high performance materials combines the molding processability of the rubber elasticity and Foulard stick, vulcanized rubber and PVC, including automotive electronics , Construction materials, IT, everyday goods and so on.
- TPEE is a typical polyetherester block copolymer resin composition.
- the polyetherester copolymer is composed of a hard segment composed of a diol and a dicarboxylic acid, and a soft segment composed of a polyether diol and a dicarboxylic acid, and has an elastomeric property.
- the hard segment provides mechanical properties of the elastomer
- the soft segments may be elastomeric
- Thermoplastic polyether ester copolymers are commercially diol, dicarboxylate, and poly ether diol with a circular arc, an ester exchange reaction (ester exchan ge reaction) to kill the polymerization reaction for which then, the reaction product (polycondensat ion) two steps of ≪ / RTI >
- Terephthalate polybutylene terephthalate; PBT
- PBT polytetramethylene ether glycol
- PTMG polytetramethylene ether glycol copolymer of 1,4-butylene glycol (1,4-butylene lycol; BG) , dimethyl terephthalate dimethyl terephthalate ( DMT) and PTMG as starting materials
- terephthalic acid (terephthalic acid; PTA) a can be used as a starting material, the other hand has the advantage to improve the economical efficiency since the cheaper the cost of the PTA.
- PTA terephthalic acid
- the starting material is simply replaced with the dicarboxylic acid in the process using the existing dicarboxylic esters, there is a problem that the esterification reaction does not occur and the productivity is poor. This phenomenon becomes worse as the content of 15 polyether diol in the starting material becomes higher, so that it has not been possible to produce a low-hardness polyether ester copolymer having a high polyether content by a known dicarboxylate-based process.
- the above-mentioned production method has a problem that the esterification reaction becomes complicated in two steps.
- the solid phase polymerization reaction must be further performed after the condensation polymerization reaction. There was an inadequate aspect to production.
- Non-Patent Document 1 (: 1 1 36 1 1 1 1 1. 33 (2015) 1283-1293
- Diol / dicarboxylic acid molar ratio of which is input to the 3 ⁇ 4) step is greater than 2.5
- a method for producing a high viscosity polyether ester copolymer is provided.
- the step 3 ) may be carried out in a reactor equipped with a distillation column maintained at 80 to 150 ° C.
- step 3 may be carried out under a pressure of 150 to 300 ° C. and a pressure of 100 to 760 1: 1.
- the steps 180 to 250 (: temperature and 51 in; can be carried out under pressure conditions of not higher than 0; 0 is more than 100: 1.
- the polyether diol may have a number average molecular weight of 500 to 3,000 .
- the intrinsic viscosity of at it may be at least 2.2.
- Show 3 ⁇ 41 1) measured by the melt index 1238 of the polyether-ester copolymer may be up / ⁇ for 12.
- the 0 hardness of the polyetherester copolymer may be 40 or less
- the present invention is the content of the poly ether is 60 to 90% by weight, 25 (: A method for producing a high viscosity polyether-ester copolymer or higher intrinsic viscosity of 2.0 in
- the molar ratio of the diol / dicarboxylic acid added in step 3 ) is more than 2.5 , and the amount of the catalyst to be added to the step is 50 ppm or more based on the active metal,
- a method for producing a high viscosity polyether ester copolymer is provided. According to the production method of the present invention, a high starting materials in dicarboxylate instead of cheap dicarboxylic use the acid by conventional dicarboxylic polyether content without having to modify the rate process than 15, the low hardness shows properties inherent A high-viscosity polyether ester copolymer having a viscosity higher than 2.0 can be produced.
- thermoplastic pulley ether ester copolymer is obtained by subjecting a diol dicarboxylic acid and a polyether diol as starting materials to a 25 esterification reaction in the presence of a catalyst, and then transferring the obtained reaction mixture to a separate polycondensation kettle, Followed by condensation polymerization.
- the diol is preferably in the effective implementation of aspects of the present is an aliphatic or alicyclic diol having from 2 to 10 carbon atoms and a molecular weight 300 / ⁇ 1 or less invention.
- examples of the diols which can be used in the present invention include 1,4-butylene glycol 30 (1, 4-butanediol), monoethylene glycol, diethylene glycol, 2019/103339 1 » (: 1 ⁇ 1 ⁇ 2018/013024
- Aliphatic diols such as propylene glycol and glycol to be neoprene; And alicyclic diols such as 1- cyclic nucleic acid dimethanol 1,4- cyclohexanedic acid dimethanol and tricyclodecanedimethanol; , But are not limited thereto. Specifically, in the present invention, the diol may be 1,4- butylene glycol.
- dicarboxylic acids examples include, but are not limited to, terephthalic acid isophthalic acid, naphthalene dicarboxylic acid, adipic acid and sebacic acid.
- the dicarboxylic acid may be terephthalic acid.
- the diol and the dicarboxylic acid are contained in a specific content ratio in order to prepare a polyetherester copolymer having 60 low molecular weight or higher and having 10 low hardness properties without the solid phase polymerization reaction, . That is, the molar ratio of the diol / dicarboxylic acid charged in the esterification reaction step of the present invention, in order to prepare a polyetherester copolymer of low and high viscosity without solid state polymerization ) is more than 2.5 , or more than 2.6 , or 15 2.8 or higher, 4 or lower or 3.7 or lower, or 3.5 or lower.
- a low-hardness polyetherester copolymer having a polyether content of 60 to 90 wt % can be produced at a high viscosity without a solid-phase polymerization process.
- the low hardness characteristics is poly 20, the content of the ether polyether ester copolymer the properties obtained when high as 60% or more by weight, and specifically, Shore D 40 or less, low hardness polyether case to preferably having a hardness of Shore D 35 or less Ester copolymer.
- the hardness lower limit value of the low-hardness polyetherester copolymer is not particularly limited, but may be, for example, Shore D 20 or higher or Shore D 25 or higher.
- the 25 polyetherester copolymers having such low hardness properties can be more suitably used for applications such as grip parts of IT equipment and high elastic fibers.
- the reference value of the 'high viscosity' differs depending on the hardness characteristics of the polyetherester copolymer, and the 'high viscosity' standard of the low-hardness polyetherester copolymer is higher than that of the high-hardness polyetherester copolymer.
- a high-hardness polyetherester copolymer having a 30 polyether content of less than 60 % by weight 2019/103339 1 » (: 1 ⁇ 1 ⁇ 2018/013024
- the 25 ° (: inherent viscosity, but recognized that satisfies the high viscosity characteristic as about 1.2 or more, in the case of a polyether that at least the content is 60 wt.% Hardness polyetherester copolymer prepared in accordance with the production method of the present invention 25 in ⁇ can see that the intrinsic viscosity of the high viscosity characteristics satisfying when one exceeds 2.0.
- the polyether ester copolymer is prepared in accordance with the 25 ⁇ (: I is 2.2 or more as intrinsic viscosity of preferably more than 2.0 at.
- diol / dicarboxylic also possible to produce a high viscosity copolymer if the acid the molar ratio exceeds 4, however, in order to remove an excess of a diol, so the disadvantage is energy consumption in the polycondensation step increases the molar ratio of 4 or less It is desirable to meet 10 .
- the polyetherester copolymer finally produced in the present invention has a polyether content of 60 to 90 % by weight, or 70 to 90 % by weight. When this range is satisfied, there is an effect that a polyether ester copolymer having a low hardness can be produced.
- the content of polyether in the copolymer to be prepared can be controlled by controlling the content of polyetherdiol added to the esterification reaction. Specifically, in order to obtain the content range of the polyether, the starting polyether diol is used in an amount of 35 to 90 % by weight, or 40 to 85 % by weight, based on 100 % by weight of the total of the starting materials composed of the diol, dicarboxylic acid and polyether diol It is used in weight % .
- polyether diol which can be used in the present invention may be a homopolymer or copolymer type specific example polytetramethylene glycol, polyethylene glycol, polypropylene glycol, polyethylene glycol, polyethylene glycol and poly hex methylene glycol-polypropylene glycol but are at least one member selected from the group consisting of, but it is not limited to, 25.
- the polyether diol may be polytetramethylene glycol.
- the number average molecular weight of the polyether diol is not particularly limited, but is preferably in the range of 500 to 3,000 / 101, 1,000 to 2,500 / 101 or 1,500 to 2,200 / 1 , and the polyether content is at least 60 % Is suitable for the production of the polyetherester 30 copolymer and secures the effect of the present invention.
- ⁇ ⁇ 0 2019/103339 1 » (: 1 ⁇ 1 ⁇ 2018/013024
- the number average molecular weight can be determined by, for example, gel permeation chromatography (HPLC) or end titration (acetic anhydride) to acetylate the terminal of the polyether diol, decompose unreacted acetic anhydride with acetic acid,
- polyether diol which comprises determining the number average molecular weight) or 3 ⁇ 4 ⁇ 1? Through analysis - (can be determined by 3 ⁇ 4 term analysis).
- the esterification reaction in which a diol, a dicarboxylic acid and a polyether diol are reacted is carried out in the presence of a catalyst
- the catalyst may be suitably used as a material known in the art.
- the catalyst may be a catalyst comprising titanium 10 or tin as the active metal, and more particularly the catalyst
- Tin catalysts such as octylstannoic acid, dimethyl tin oxide dibutyl tin oxide, dioctyltin oxide diphenyltin oxide, tributyl tin acetate tri- 15 butyltin chloride or tri-butyl tin fluoride,
- catalysts such as oxides and acetate salts including Pd 11, Pb, etc. may be used alone or in combination. Of these catalysts, preferred are titanium-based catalysts.
- the catalyst in the present invention is introduced in the polycondensation stage as well as esterification reaction.
- a polyether, and prepared during the esterification (or transesterification) reaction and a catalyst for the polycondensation reaction of the polyester copolymer is the same, because they do not include a separation step between the two reactions, the initial esterification (or exchange ester) from the reaction of 25
- the catalyst may not be further added during the condensation polymerization step after a certain amount of the catalyst is put in the middle of the polymerization.
- the catalyst is added in portions.
- step 3 50 or more catalysts are added to the total weight of the starting material based on the active metal of the catalyst before the start of the esterification reaction step 3) and the monoaxial polymerization step 13) , more specifically, 3 ) And in step
- Step 3) of the present invention is an esterification reaction step in which a diol, a dicarboxylic acid and a polyether diol are reacted in the presence of a catalyst, while an esterification reaction between a diol and a dicarboxylic acid or a polyether diol and a dicarboxylic acid takes place 15 Water and tetrahydrofuran are produced as by-products.
- reaction temperature in the step 3) is suitably in the range of 150 to 300., Or 200 to 240 ° C.,
- 1 to 400 in the range of 01 ⁇ are suitable specifically, one after 20 In the starting materials and the catalyst to the reactor, and w 0.1 to 10.:/ 111 with stirring to reach the above-mentioned temperature range, then The esterification reaction can be carried out for about 30 minutes to 4 hours, or for 1 to 2 hours.
- esterification reaction is a reversible reaction forward reaction (ester bond
- the 3) step in the invention is 100 100 as described above, 0 2019/103339 1 » (: 1 ⁇ 1 ⁇ 2018/013024
- the distillation column is preferably a packing column or a tray column, and more specifically, a structured packing column is preferable.
- step a) After the step a) is completed, the polycondensation step of b) and c) proceeds.
- Polycondensation step may be done in an esterification reactor and the separate reactor, it can be carried out without a distillation column.
- the polycondensation step is step a) is added In the active metal based on more than 50 ppm catalyst in the completed reaction mixture Then proceed.
- step b) of the present invention is a first condensation polymerization step carried out under relatively relaxed conditions, in which a catalyst is further added to the reaction mixture in which step a) has been completed, and the mixture is stirred under reduced pressure and subjected to a polymerization to obtain a prepolymer.
- the b) step is carried out a pressure of 5 torr or less than 100 torr, or 10 to
- the operation temperature is preferably in the range of 180 to 250 ° C., or 230 to 250 ° C. Under such conditions, the unreacted excess diol is vaporized and removed in step a) .
- the reaction time of the step b) is not particularly limited, but may be about 20 to 1 hour, or 20 to 40 minutes.
- the first polycondensation step is preliminarily performed under the relaxed condition 5 before the full-fledged polycondensation reaction.
- step a one or more additives conventionally used for improving the reaction efficiency and controlling the physical properties of the polyetherester copolymer to be produced may be added together.
- the additives are used, the polyether containing a branching agent (e.g., for a 10 melt strength increase of copolymers, glycerol, sorbitol, pentaerythritol, 1, 1, 4,4-tetrakis (hydroxymethyl) cyclopenten acid, trimethylol propane, pie romel discrete acid, 1, 1, 2, 2 - ethane tetracarboxylic acid, and the like), the matte for improving the color characteristics (e.g., 02, zinc sulfide or zinc oxide), colorants (For example, dyes), stabilizers (for example, antioxidants, ultraviolet light stabilizers, heat stabilizers, etc.), fillers, 15 flame retardants, pigments, antimicrobial agents, antistatic agents, optical brighteners, extenders, Enhancing agents, and the like, and any one or a mixture of two or more of them may be used, but the present invention is not limited thereto.
- a branching agent e.g., for a 10 melt
- a stabilizer in the form of hindered phenol 11 (1) 6 (1 1 ) 1 1 ⁇ 2 1101 , for example, 1 3 ) 1 ( «1098) 20 .
- additives may be used in an appropriate amount within that do not degrade the physical properties of the polyether ester copolymer is prepared ranges, specifically, for a total of 100% by weight of the raw material of 0.1 to 10, but ensuring the effect of each object It can be used in weight % .
- 25 0 is a continuous reaction with the step), and is a step of condensation polymerization of the prepolymer in a state where the pressure is further lowered in the same reactor. 0 ) Performing the step
- step ( 0 ) is in a range of 5 ⁇ or less, or 0.5 to 3 ratio 0 ⁇ as a pressure lower than 13 ).
- condensation polymerization is carried out for about 3 to 5 hours, or 1 to 3 hours.
- the torque reaches the range of 1.5 Nm to 3.0 ⁇ 1 ⁇ 2 , the reaction is completed, and finally the polyetherester copolymer is produced do.
- the polyetherester copolymer produced by the above process has a polyether content of 60 to 90 % by weight , preferably 70 to 90 % by weight, so that the Shore hardness ratio I )) is less than 40 And is 20 to 35 as follows. As such exhibiting low hardness, the copolymers produced by the present invention exhibit excellent flexibility.
- the production method of the present invention it is possible to produce a polyether ester copolymer having a high polyether content and a high viscosity by only an esterification reaction and a polycondensation reaction without a solid phase polymerization step. That is, the polyetherester copolymer produced by the present invention exhibits an intrinsic viscosity of more than 2.0 , more than 2.1 , or 2.3 to 4.0 at 25 ° (:). In addition, the polyetherester copolymer satisfies the following conditions: 1 ) The melt index measured by the 1238 method is 12 ⁇ / 10111111 or less, preferably 10/10 11 or less.
- the present invention it is possible to produce a polyetherester copolymer which exhibits high viscosity and high polyether content from a low-cost dicarboxylic acid in a simple process by using the existing production facilities of polyetherester copolymers using dicarboxylate Coalescence can be produced. Accordingly, the present invention is suitable for mass production and industrial processes, and can improve the economics and productivity of the process.
- the BG / PTA molar ratio was 3.0, and PTMG was used so that the polyether 5 content of the PBT-PTMG copolymer was 69% by weight.
- Esterification (ES) reaction was carried out for 2 hours at 200-230 O C, 300 torr.
- a reflux condenser (reflux condenser) and Din is maintained at 120 C O - installing Stark trap (Dean-Stark tra p) in the reactor and the reaction proceeds to ES.
- the esterification conversion conversion rate calculated by the following formula (1) was 97% using the difference in density of the 10 THF mixture collected in the Dean-Stark trap.
- the first condensation polymerization (PP) reaction was carried out under reduced pressure of 10 torr for 30 minutes in the 230 240 ° C region with the reflux condenser removed.
- the second polycondensation (PC) reaction was carried out for 23 hours at 235 240 ° C and under 1 torr for 3 hours.
- the torque value attached to the mechanical stirrer was continuously increased. After the torque reached 2.3 Nm, the reaction was completed to obtain a PBT-PTMG copolymer.
- the conversion rate of the esterification reaction was 98% upon completion of the reaction the torque was 2.0.
- Seedlings shows a molar ratio of 2.6, the catalyst before reaction seedlings 5 ⁇ 1) 111, the reaction after 100
- Example 2 was repeated to prepare a 20- ply copolymer.
- the conversion of the esterification reaction was 97 % and the torque at the termination of the reaction was 1.7.
- the reaction conversion rate was 97%, but the torque at the termination of the reaction was 1.9 .
- the intrinsic viscosity was calculated by measuring the Zero Shear Viscosity after preparing various concentrations of polymer solution (solvent o-chlorophenol). The Zero Shear Viscosity was measured using a DHR I I (TA Instruments, USA) rotary shear rheometer with a Shear Rate of 50 s_l.
- the intrinsic viscosity was calculated from the following formula (2) by measuring the specific viscosity (Speci f ic viscosity, ri sp) of the polymer solution at 2 wt%, 1 wt%, 0.5 wt% and 0.25 wt%.
- the sample subjected to 24 hours in a dehumidifying drying process 50 O C was measured by the melting (holding Sagan quarters under a load presence of 2.16k g in 230 O C) index the same manner as in ASTM D1238.
- Shore D hardness was measured according to ASTM D2240.
- the conversion of esterification reaction was less than 95% and the intrinsic viscosity was less than 2.0 , which did not satisfy the high viscosity characteristics.
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201880057434.1A CN111094387B (zh) | 2017-11-24 | 2018-10-30 | 聚(醚酯)共聚物的制备方法 |
| US16/760,234 US11267933B2 (en) | 2017-11-24 | 2018-10-30 | Method of preparing poly(ether ester) copolymer |
| JP2020513771A JP6976421B2 (ja) | 2017-11-24 | 2018-10-30 | ポリエーテルエステル共重合体の製造方法 |
| EP18881816.5A EP3663327B1 (en) | 2017-11-24 | 2018-10-30 | Method for preparing polyetherester copolymer |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2017-0158925 | 2017-11-24 | ||
| KR20170158925 | 2017-11-24 | ||
| KR1020180130140A KR102186522B1 (ko) | 2017-11-24 | 2018-10-29 | 폴리에테르에스테르 공중합체의 제조 방법 |
| KR10-2018-0130140 | 2018-10-29 |
Publications (2)
| Publication Number | Publication Date |
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| WO2019103339A2 true WO2019103339A2 (ko) | 2019-05-31 |
| WO2019103339A3 WO2019103339A3 (ko) | 2019-07-18 |
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| PCT/KR2018/013024 Ceased WO2019103339A2 (ko) | 2017-11-24 | 2018-10-30 | 폴리에테르에스테르 공중합체의 제조 방법 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4700075A1 (en) * | 2024-08-22 | 2026-02-25 | Industrial Technology Research Institute | Foam |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3544551C2 (de) * | 1985-12-17 | 2002-02-28 | Zimmer Ag | Verfahren zur kontinuierlichen Herstellung von hochmolekularem Polybutylenterephthalat |
| KR0132280B1 (ko) * | 1993-12-27 | 1998-04-13 | 박홍기 | 폴리에테르에스테르 블록공중합체의 제조방법 |
| JP4631141B2 (ja) * | 2000-09-19 | 2011-02-16 | 東レ・デュポン株式会社 | ポリエーテルエステルブロック共重合体の製造方法 |
| JP2006316262A (ja) * | 2005-04-15 | 2006-11-24 | Mitsubishi Chemicals Corp | ポリエーテルエステルブロック共重合体 |
-
2018
- 2018-10-30 WO PCT/KR2018/013024 patent/WO2019103339A2/ko not_active Ceased
Non-Patent Citations (2)
| Title |
|---|
| CHINESE J. POLYM. SCI., vol. 33, 2015, pages 1283 - 1293 |
| See also references of EP3663327A4 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4700075A1 (en) * | 2024-08-22 | 2026-02-25 | Industrial Technology Research Institute | Foam |
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| WO2019103339A3 (ko) | 2019-07-18 |
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