WO2023025284A1 - 一种生物基聚酰胺弹性体及其制备方法 - Google Patents
一种生物基聚酰胺弹性体及其制备方法 Download PDFInfo
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- WO2023025284A1 WO2023025284A1 PCT/CN2022/115128 CN2022115128W WO2023025284A1 WO 2023025284 A1 WO2023025284 A1 WO 2023025284A1 CN 2022115128 W CN2022115128 W CN 2022115128W WO 2023025284 A1 WO2023025284 A1 WO 2023025284A1
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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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/40—Polyamides containing oxygen in the form of ether groups
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/122—Soles
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/04—Preparatory 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/265—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from at least two different diamines or at least two different dicarboxylic acids
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
- A43B23/0215—Plastics or artificial leather
Definitions
- the invention relates to a bio-based polyamide elastomer and a preparation method thereof.
- Thermoplastic elastomers are marketed as various resin compositions such as polyurethanes, polystyrenes, polyolefins, polyesters, and polyamides.
- Polyamide thermoplastic elastomer (TPAE) is a member of the thermoplastic elastomer family. Compared with widely used thermoplastic polyurethane elastomer (TPU), thermoplastic polyolefin elastomer (TPO), styrene thermoplastic elastomer (SBC), Thermoplastic polyvinyl chloride elastomer (TPVC) and thermoplastic polyether ester elastomer (TPEE), etc., the preparation and application of TPAE started relatively late. Due to its high elasticity, low specific gravity, high flexibility, and good low-temperature performance, polyamide elastomers are widely used in automobiles, sports equipment, medical appliances, seals, and mechanical parts.
- Polyamide thermoplastic elastomer is mainly a copolymer composed of polyamide hard segment and polyether or polyester soft segment, among which polyamide as hard segment mainly includes PA6, PA66, PA11, PA12, etc., the hard segment part It mainly determines the density, hardness, melting point, tensile strength, and resistance to various organic chemicals of polyamide thermoplastic elastomers; as the soft segment, there are mainly polycaprolactone (PCL), polyethylene glycol (PEG) , polypropylene oxide ether (PPG), polytetrahydrofuran (PTMEG), etc., the soft segment mainly determines the low temperature properties, hygroscopicity, antistatic properties, dyeability and stability to certain chemicals of polyamide thermoplastic elastomers characteristics such as sex.
- PCL polycaprolactone
- PEG polyethylene glycol
- PPG polypropylene oxide ether
- PTMEG polytetrahydrofuran
- PA12 is the most common commercialized polyamide elastomer, such as the XPA series products of Ubeko Corporation in Japan, the PEBAX series products of Arkema Corporation in France, and the VESTAMIDE E series products of Evonik Corporation in Germany.
- the hard segment of PA12 is generally made from dodecylaminododecanoic acid or laurolactam obtained by petrochemical methods. The cost is relatively high, and it is monopolized by a few companies.
- the monomer caprolactam of PA6-based elastomers has a shorter carbon chain, and the comprehensive performance of elastomers with the same hardness is not as good as that of long-chain nylon-based elastomers.
- the invention provides a polyamide elastomer prepared by using pentamethylenediamine prepared by a biological method, a long-chain (C10 to C18) aliphatic diacid, and a specific proportion of polytetrahydrofuran as raw materials, as well as its preparation method and application.
- the above-mentioned elastomer has excellent performance and a stable source of polymerized monomers, which solves the problem of high cost of polyamide elastomers, broadens the application scenarios of elastomers, and has high commercial value.
- the present invention provides a bio-based polyamide elastomer, which contains structural units of general formula C and general formula D, and the structural units of general formula C and general formula D are connected through ester groups; said general formula C contains The structural units of general formula A and general formula B, and the structural units of general formula A and general formula B are connected by amide bonds;
- x 8-16, and x is an integer
- the relative viscosity of the bio-based polyamide elastomer is 1.0-2.0, more preferably 1.1-1.7, more preferably 1.3-1.7.
- the bio-based polyamide elastomer is a block copolymer.
- the number average molecular weight of the general formula C is 800-12000, further 850-7000, more preferably 1400-7000, such as 1406, 2140, 2935, 4948, 2554, 3763, 852, 1494, 4973, 3162, 4778.
- the number average molecular weight of the bio-based polyamide elastomer is 10000-70000, further 10000-40000, more preferably 30000-40000, such as 39596, 34507, 35880, 39022, 38158, 31860 , 22739, 19659 or 18749, 33711, 18159.
- the number average molecular weight of the general formula D is 500-5000, such as 1000, 1500, 2000, 2500, 3000, 3500, 4000, 4500.
- the general formula C also contains a structural unit of the general formula E, and the structural units of the general formula A, the general formula B and the general formula E are connected by an amide bond, and the general formula E is
- the molar percentage of the general formula A is 10-40%; the molar percentage of the general formula B is 15-40%; the molar percentage of the general formula D is 35% to 65%; the sum of the molar percentages of the general formulas A, B and D is 100%.
- the molar percentage of the general formula A is 15-30%; the molar percentage of the general formula B is 20-35%; the general formula The molar percentage of D is 40-65%; the sum of the molar percentages of the general formulas A, B and D is 100%.
- the molar ratio of the general formula A, general formula B, general formula E and general formula D is 18-25:18-30:1-10:40-65.
- the molar ratio of the general formula A to the general formula B is 1:1.0-1.5.
- the mass content of the structural units of the general formula C and the general formula D in the bio-based polyamide elastomer is more than 95%, preferably more than 97%.
- the raw material of the bio-based polyamide elastomer includes pentanediamine, diacid and polytetrahydrofuran, and the diacid is selected from the group consisting of decadioic acid, undecanedioic acid, dodecanedioic acid, and polytetrahydrofuran. Any one or more of diacid, tridecanedioic acid, tetradecanedioic acid, pentadecanedioic acid, hexadecandioic acid, heptadecandioic acid or octadecanedioic acid.
- the diacid also includes adipic acid.
- the bio-based polyamide elastomer is prepared by the following method: first polymerize pentamethylenediamine and diacid to obtain a prepolymer, and then polymerize the prepolymer with polytetrahydrofuran to obtain a bio-based polyamide elastomer.
- the molar ratio of the prepolymer to polytetrahydrofuran is 0.7-2:1, further 0.8-1.5:1, preferably 0.7-1.3, more preferably 0.8-1.2, for example 0.94:1, 0.92:1, 1.12:1, 0.84:1, 1.10:1, 0.87:1, 0.93:1, 1.14:1, 1.48:1, 0.86:1, 1.45:1.
- the number average molecular weight of the polytetrahydrofuran is 500-5000, such as PTMEG 1000 with a molecular weight of 1000 and PTMEG 2000 with a molecular weight of 2000.
- one or both of the pentamethylenediamine and the long-chain aliphatic diacid used as raw materials are prepared by biological methods.
- pentamethylenediamine is obtained biologically by the action of lysine decarboxylase on lysine.
- the raw materials for preparing the bio-based polyamide elastomer may optionally include additives, and the additives include lubricants, nucleating agents, antioxidants and the like.
- the lubricant includes aliphatic amide, aliphatic alcohol, aliphatic bisamide, polyethylene wax and the like.
- the nucleating agent includes silicon dioxide, talcum powder, kaolin, clay and the like.
- the antioxidants include hindered phenol compounds, hydroquinone compounds, hydroquinone compounds, phosphite compounds and their substitutes, iodides, copper salts and the like.
- the mass content of the additive in the bio-based polyamide elastomer is less than 5%, more preferably less than 3%, such as 0.1-3%.
- the density of the bio-based polyamide elastomer is 1.01-1.2 g/mL, further 1.01-1.07 g/mL.
- the Shore hardness of the bio-based polyamide elastomer is 25D-80D, such as 33D, 45D, 52D, 63D, 35D, 42D, 67D, 50D, 71D.
- the elongation at break of the bio-based polyamide elastomer is above 200%, preferably 300-1200%, such as 382%, 539%, 680%, 730%, 426% %, 566%, 387%.
- the tensile strength of the bio-based polyamide elastomer is 15-60 MPa, further 17-50 MPa or 20-60 MPa.
- the notched impact strength of the bio-based polyamide elastomer is above 8 kJ/m 2 , more preferably NB (Non-impact).
- the present invention also provides a kind of preparation method of bio-based polyamide elastomer as described above, it comprises the steps:
- the diacid is selected from the group consisting of decanedioic acid, undecanedioic acid, dodecanedioic acid, tridecanedioic acid, tetradecanedioic acid, pentadecanedioic acid, hexadecandioic acid, Any one or more of heptadecandioic acid or octadecanedioic acid.
- the first catalyst is selected from phosphoric acid, phosphorous acid, trimethyl phosphite, triphenyl phosphite, trimethyl phosphate, triphenyl phosphate, sodium hypophosphite, sodium hypophosphite, zinc hypophosphite, calcium hypophosphite , one or more of potassium hypophosphite, preferably sodium hypophosphite and/or sodium hypophosphite.
- the second catalyst is one or more of titanium-based catalysts, zirconium-based catalysts, antimony-based catalysts and germanium-based catalysts.
- the titanium-based catalyst is preferably one or more of tetrabutyl titanate, tetraethyl titanate and tetrapropyl titanate.
- the zirconium-based catalyst is preferably tetrabutyl zirconate and/or tetrapropyl zirconate.
- the antimony-based catalyst is preferably antimony glycol.
- the germanium-based catalyst is preferably GeO 2 .
- the molar ratio of pentamethylenediamine to diacid is 1:1.0-1.5, preferably 1:1.0-1.2.
- the added amount of the first catalyst accounts for 0.001-5% (mole percentage) of the total amount of the pentamethylenediamine, the diacid and the first catalyst, and further 1-2%, For example 1.4%, 1.5%.
- the added amount of the second catalyst accounts for 0.001-3% (molar percentage) of the total amount of the prepolymer, the polytetrahydrofuran and the second catalyst, and further 0.01-1.4%, For example 1%, 1.15%.
- the aforementioned additives are also added to the polyamide salt solution.
- the additive accounts for 0.001-5% (mole percentage) of the total amount of the pentamethylenediamine, the diacid and the additive.
- step S1 and step S2 are carried out under vacuum, nitrogen or inert gas conditions.
- the inert gas generally refers to one or more of neon, argon, krypton, xenon and radon.
- step S1 is performed in a salt-forming tank, and the heating is performed in a polymerization tank; step S2 is performed in a polyester tank.
- the molar ratio of the prepolymer to polytetrahydrofuran is 0.7-2:1, further 0.8-1.5:1, preferably 0.7-1.3, more preferably 0.8-1.2, such as 0.94:1, 0.92:1, 1.12:1, 0.84:1, 1.10:1, 0.87:1, 0.93:1, 1.14:1, 1.48:1, 0.86:1, 1.45:1.
- the polytetrahydrofuran has a number average molecular weight of 500-5000, such as PTMEG 1000 with a molecular weight of 1000 and PTMEG 2000 with a molecular weight of 1000. .
- step S2 the prepolymer and polytetrahydrofuran are firstly mixed at 220-260° C., such as 240° C., for 10-120 minutes, such as 90 minutes, and then the second catalyst is added.
- the polymerization reaction described in step S2 includes: stirring the reaction for 1 to 5 hours, such as 2 hours, under the condition of vacuum degree of -0.01 to -0.09 MPa, such as -0.06 MPa, and then reducing the absolute pressure to within 0.5 to 2 hours. Below 500Pa, the reaction is continued for 1 ⁇ 10h, preferably 1.5 ⁇ 5h, more preferably 1 ⁇ 5h, for example 1.5h, 2h, 2.5h, 3.5h.
- the polymerization reaction in step S2 also includes charging nitrogen to a positive pressure before discharging.
- the molding method of the bio-based polyamide elastomer can be molded into a desired shape by using molding methods such as injection molding, blow molding, and film molding.
- the bio-based polyamide elastomer of the present invention can be popularized and applied in the field of shoe materials such as ski boots, soccer shoes, running shoes and the like.
- shoe materials such as ski boots, soccer shoes, running shoes and the like.
- the ski boots are shoe shells
- the soccer shoes are soles
- the running shoes are midsoles.
- the reagents and raw materials used in the present invention are all commercially available.
- the positive progress effect of the present invention lies in: the present invention uses pentamethylenediamine prepared by biological method, long-chain (C10 to C18) aliphatic diacid and specific proportion of polytetrahydrofuran as raw materials to prepare polyamide elastomer, and its performance is comparable to that of Arkema
- the pebax series elastomers have good elasticity, high hardness and wide range; at the same time, the price has a great advantage, which has a huge role in promoting the industrialization of high-performance polyamide elastomers, especially in the field of footwear.
- the preparation method of the polyamide elastomer of the invention has low cost and reproducible raw materials.
- the Shore D hardness is carried out according to the international standard ISO7619.
- Tensile tests (including elongation at break and tensile strength) were performed according to international standard ISO527.
- the notched impact strength is carried out according to the test standard ISO 180.
- the relative viscosity test adopts Ubbelohde viscometer, and the mobile phase adopts 96% concentrated sulfuric acid. Density tests are carried out according to the international standard ISO 1183.
- Sources of raw materials in each embodiment and comparative example pentanediamine, decadioic acid, undecanedioic acid, dodecanedioic acid, tetradecanedioic acid, pentadecanedioic acid, hexadecandioic acid Purchased from Cathay (Jinxiang) Biomaterials Co., Ltd., all produced by biological method; polytetrahydrofuran (PTMEG) was purchased from Changlian Chemical (Changchun).
- examples 1 to 11 of the present invention pentamethylenediamine, long-chain (C10 to C18) aliphatic diacids and polytetrahydrofuran in a specific proportion are used as raw materials prepared by biological methods,
- the prepared polyamide elastomer has excellent performance and a stable monomer source, which solves the problem of high cost of the polyamide elastomer, broadens the application scenarios of the elastomer, and has high commercial value.
- Comparative Example 1 In contrast, in Comparative Example 1, only adipic acid was used, but no long-chain (C10 to C18) aliphatic diacid was used, and the obtained polyamide elastomer had too high viscosity and low elongation at break. Comparative Example 2 uses excessive polytetrahydrofuran as a raw material, and the obtained polyamide elastomer has too high Shore hardness D, too low elongation at break, and too high tensile strength.
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Abstract
Description
Claims (10)
- 根据权利要求1所述的生物基聚酰胺弹性体,其特征在于,所述通式A的摩尔百分比为10~40%;所述通式B的摩尔百分比为15~40%;所述通式D的摩尔百分比为35~65%;所述通式A、B和D的摩尔百分比之和为100%;较佳地,所述通式A和通式B的摩尔比为1:1.0~1.5。
- 根据权利要求1所述的生物基聚酰胺弹性体,其特征在于,所述生物基聚酰胺弹性体的原料包括戊二胺、二酸和聚四氢呋喃,所述二酸选自十碳 二元酸、十一碳二酸、十二碳二酸、十三碳二酸、十四碳二酸、十五碳二酸、十六碳二酸、十七碳二酸或十八碳二酸中的任意一种或几种;较佳地,所述预聚体与聚四氢呋喃的摩尔比为0.7-2:1。
- 根据权利要求1所述的生物基聚酰胺弹性体,其特征在于,所述生物基聚酰胺弹性体的密度为1.01~1.2g/mL,和/或,所述生物基聚酰胺弹性体的邵氏硬度为25D~80D,和/或,所述生物基聚酰胺弹性体的断裂伸长率为200%以上,和/或,所述生物基聚酰胺弹性体的拉伸强度为15~60MPa,优选17~50MPa或20~60MPa,和/或,所述生物基聚酰胺弹性体的缺口冲击强度为8kJ/m 2以上,更佳地为NB(冲不断)。
- 一种权利要求1~5中任意一项所述生物基聚酰胺弹性体的制备方法,其特征在于,其包括如下步骤:S1制备预聚体:将戊二胺、二酸与第一催化剂与水混合,制得聚酰胺盐水溶液;加热所述聚酰胺盐水溶液至200~250℃,压力升至1.5~3.0MPa,出水排气,当温度升高至240~270℃,抽真空至-0.01~-0.3Mpa,保持5~60min,获得羧基封端的预聚体;S2制备弹性体:将步骤S1获得的预聚体和聚四氢呋喃在第二催化剂的存在下进行聚合反应,获得聚酰胺弹性体;其中,所述二酸选自十碳二元酸、十一碳二酸、十二碳二酸、十三碳二酸、十四碳二酸、十五碳二酸、十六碳二酸、十七碳二酸或十八碳二酸中的任意一种或几种;和/或,所述第一催化剂选自磷酸、亚磷酸、亚磷酸三甲酯、亚磷酸三苯酯、磷酸三甲酯、磷酸三苯酯、次磷酸钠、次亚磷酸钠、次磷酸锌、次磷酸钙、次磷酸钾中的一种或者多种,优选为次磷酸钠和/或次亚磷酸钠;和/或,所述第二催化剂为钛系催化剂、锆系催化剂、锑系催化剂和锗系催化剂中的一种或多种。
- 根据权利要求6所述的生物基聚酰胺弹性体的制备方法,其特征在于,所述第一催化剂的加入量,占所述戊二胺、所述二酸和所述第一催化剂的总量的0.001~5摩尔%;和/或,所述第二催化剂的加入量,占所述预聚体、所述聚四氢呋喃和所述第二催化剂的总量的0.001~3摩尔%。
- 根据权利要求6所述的生物基聚酰胺弹性体的制备方法,其特征在于,所述预聚体与聚四氢呋喃的摩尔比为0.7~1.3:1。
- 根据权利要求6所述的生物基聚酰胺弹性体的制备方法,其特征在于,所述戊二胺和二酸的摩尔比为1:1.0~1.5,优选1:1.0~1.2。
- 根据权利要求6所述的生物基聚酰胺弹性体的制备方法,其特征在于,步骤S2中先将预聚体和聚四氢呋喃在220~260℃的条件下混合10-120min,再加入第二催化剂;和/或,步骤S2中所述聚合反应包括:在真空度为-0.01~-0.09MPa条件下,搅拌反应1-5h,然后在0.5~2h内降低绝对压力至500Pa以下,以使反应物置于高真空中,继续反应1-10h。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
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| EP22860630.7A EP4393980A4 (en) | 2021-08-27 | 2022-08-26 | BIOBASED POLYAMIDE ELASTOMER AND ITS PREPARATION PROCESS |
| JP2024513098A JP2024530522A (ja) | 2021-08-27 | 2022-08-26 | バイオベースのポリアミドエラストマー及びそのための調製方法 |
| KR1020247009636A KR20240044531A (ko) | 2021-08-27 | 2022-08-26 | 바이오-기반 폴리아미드 엘라스토머 및 이의 제조 방법 |
| US18/583,132 US20240209149A1 (en) | 2021-08-27 | 2024-02-21 | Bio-based polyamide elastomer and preparation method therefor |
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| CN202110992871.6 | 2021-08-27 | ||
| CN202110992871.6A CN115725073B (zh) | 2021-08-27 | 2021-08-27 | 一种生物基聚酰胺弹性体及其制备方法 |
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| EP (1) | EP4393980A4 (zh) |
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| CN117736430A (zh) * | 2023-12-25 | 2024-03-22 | 湖南工业大学 | 一种生物基共聚尼龙树脂及其制备方法、生物基共聚尼龙复合材料及其制备方法和应用 |
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| CN120775185B (zh) * | 2025-09-05 | 2025-12-02 | 山东广垠新材料有限公司 | 聚酰胺弹性体及一锅法制备聚酰胺弹性体的方法 |
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|---|---|---|---|---|
| JP2010222396A (ja) * | 2009-03-19 | 2010-10-07 | Ube Ind Ltd | ポリエーテルアミドエラストマー組成物 |
| CN102046697A (zh) * | 2008-10-06 | 2011-05-04 | 阿肯马法国公司 | 由可再生材料获得的嵌段共聚物和用于制备这种嵌段共聚物的方法 |
| CN102918082A (zh) * | 2010-04-07 | 2013-02-06 | 阿肯马法国公司 | 由可再生材料获得的嵌段共聚物和用于制备这种嵌段共聚物的方法 |
| CN107955163A (zh) * | 2016-10-17 | 2018-04-24 | 上海杰事杰新材料(集团)股份有限公司 | 超韧聚酰胺树脂及其制备方法 |
| CN108148198A (zh) * | 2017-12-22 | 2018-06-12 | 山东凯恩新材料科技有限公司 | 一种可低压注塑聚酰胺热熔胶及其制备方法 |
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| GB0111794D0 (en) * | 2001-05-15 | 2001-07-04 | Ici Plc | Polyamide copolymer |
| JP2006143946A (ja) * | 2004-11-24 | 2006-06-08 | Mitsubishi Chemicals Corp | 脂肪族ポリエステルアミドおよびその製造方法 |
| JP7203980B2 (ja) * | 2018-12-19 | 2023-01-13 | エボニック オペレーションズ ゲーエムベーハー | ポリエーテルブロックアミド(peba)を含有する成形用組成物 |
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| CN102046697A (zh) * | 2008-10-06 | 2011-05-04 | 阿肯马法国公司 | 由可再生材料获得的嵌段共聚物和用于制备这种嵌段共聚物的方法 |
| JP2010222396A (ja) * | 2009-03-19 | 2010-10-07 | Ube Ind Ltd | ポリエーテルアミドエラストマー組成物 |
| CN102918082A (zh) * | 2010-04-07 | 2013-02-06 | 阿肯马法国公司 | 由可再生材料获得的嵌段共聚物和用于制备这种嵌段共聚物的方法 |
| CN107955163A (zh) * | 2016-10-17 | 2018-04-24 | 上海杰事杰新材料(集团)股份有限公司 | 超韧聚酰胺树脂及其制备方法 |
| CN108148198A (zh) * | 2017-12-22 | 2018-06-12 | 山东凯恩新材料科技有限公司 | 一种可低压注塑聚酰胺热熔胶及其制备方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117736430A (zh) * | 2023-12-25 | 2024-03-22 | 湖南工业大学 | 一种生物基共聚尼龙树脂及其制备方法、生物基共聚尼龙复合材料及其制备方法和应用 |
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| EP4393980A1 (en) | 2024-07-03 |
| US20240209149A1 (en) | 2024-06-27 |
| CN115725073A (zh) | 2023-03-03 |
| CN115725073B (zh) | 2024-07-05 |
| JP2024530522A (ja) | 2024-08-21 |
| EP4393980A4 (en) | 2024-11-27 |
| KR20240044531A (ko) | 2024-04-04 |
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