公开(公告)号：WO2019195689A1

公开(公告)日：2019-10-10

申请号：PCT/US2019/026006

申请日：2019-04-05

Applicant: E. I. DU PONT DE NEMOURS AND COMPANY

Inventor： BOEN, Sik ,  BUZZELLI, David, A. ,  D'ACHILLE, Berardino ,  CAO, Yanyan ,  JOHNSON, Lynda, Kaye ,  KASAT, Rahul, B. ,  LOVELACE, Thomas, E. ,  MOLITOR, Michael, Joseph ,  THOMPSON, Jennifer, Leigh ,  QI, Kai

IPC: C08L77/06 ,  C08G69/26 ,  C08G69/32

Abstract: Disclosed are additive manufacturing compositions comprising: A) 5 to 94.9 weight percent of at least one semi-crystalline copolyamide having a melting point; wherein said semi-crystalline copolyamide comprises: a-1) 5 to 40 mole percent aromatic repeat units derived from: i) one or more aromatic dicarboxylic acids with 8 to 20 carbon atoms and an aliphatic diamine with 4 to 20 carbon atoms; and a-2) 60 to 95 mole percent aliphatic repeat units derived from: ii) an aliphatic dicarboxylic acid with 6 to 20 carbon atoms and an aliphatic diamine with 4 to 20 carbon atoms; B) 5 to 94.9 weight percent of at least one amorphous copolyamide comprising: b-1) 60 to 90 mole percent aromatic repeat units derived from: iii) isophthalic acid and an aliphatic diamine with 4 to 20 carbon atoms; and b-2) 10 to 40 mole percent aromatic repeat units derived from: iv) terephthalic acid and an aliphatic diamine with 4 to 20 carbon atoms; C) 0.1 to 50 weight percent of at least one aramid material; and D) 0 to 30 weight percent of at least one additive. These compositions provide 3D printed articles having improved physical properties.

公开(公告)号：WO2015057557A1

公开(公告)日：2015-04-23

申请号：PCT/US2014/060247

申请日：2014-10-13

Applicant: E. I. DU PONT DE NEMOURS AND COMPANY

Inventor： MATHEW, Annakutty

IPC: C08G69/36 ,  C08G69/04

CPC classification number: C08G69/36 ,  C08G69/04

Abstract: A process is provided for making 6T/6I/6 semi-aromatic terpolyamide, the semi-aromatic terpolyamide having a melting point of at least 290 C and not more than 320 C, including: heating a polymerization salt mixture comprising water, a1) 55 to 62 mole % hexamethylene diammonium terephthalate, a2) 13 to 29 mole % hexamethylene diammonium isophthalate, and a3) 9 to 26 mole % ε-caprolactam, in at least two constant pressure stages; and optionally extruding said molten semi-aromatic terpolyamide through a die.

Abstract translation: 提供了制备6T / 6I / 6半芳族三聚酰胺的方法，该半芳族三聚酰胺的熔点至少为290℃且不超过320℃，包括：加热包含水的聚合盐混合物，a1）55 至62摩尔％对苯二甲酸六亚甲基酯，a2）13-29重量％的六亚甲基二铵间苯二甲酸酯和a3）9至26摩尔％的ε-己内酰胺，至少两个恒压阶段; 并任选地通过模头挤出所述熔融的半芳族三聚酰胺。

公开(公告)号：WO2014078137A1

公开(公告)日：2014-05-22

申请号：PCT/US2013/068622

申请日：2013-11-06

Applicant: E. I. DU PONT DE NEMOURS AND COMPANY

Inventor： MARTENS, Marvin, M. ,  MATHEW, Annakutty ,  MARKS, David, Neil

IPC: C08G69/26 ,  C08K7/14 ,  C08L77/06

CPC classification number: C08G69/265 ,  C08K7/14 ,  C08L51/06 ,  C08L77/06 ,  C08L91/06 ,  C08L2205/16

Abstract: Disclosed is a thermoplastic melt-blended composition including: A) 20 to 90 weight percent of a copolyamide resin including a) 50 to 65 mol % of a first repeat unit of formula (I), b) 35 to 50 mol % of a second repeat unit selected from the group of formula (II); -C(O)(CH 2 ) n C(O)NH(CH 2 ) 6 NH- (II); wherein and n is an integer selected from 12, 14, and 16; B) 10 to 60 wt % of at least one reinforcing agent; C) 0 to 30 wt % of at least one polymeric toughener; and D) 0 to 10 weight percent of one or more thermal stabilizer(s); wherein the weight percent of A), B), C), and D) are based on the total weight of the thermoplastic composition.

Abstract translation: 公开了一种热塑性熔融共混组合物，其包括：A）20至90重量％的共聚酰胺树脂，其包含a）50至65mol％的式（I）的第一重复单元，b）35至50mol％的第二 选自式（II）组的重复单元; -C（O）（CH 2）n C（O）NH（CH 2）6 NH-（II）; 其中和n是选自12,14和16的整数; B）10〜60重量％的至少一种增强剂; C）0至30重量％的至少一种聚合物增韧剂; 和D）0至10重量％的一种或多种热稳定剂; 其中A），B），C）和D）的重量百分比基于热塑性组合物的总重量。

公开(公告)号：WO2014008243A1

公开(公告)日：2014-01-09

申请号：PCT/US2013/049040

申请日：2013-07-02

Applicant: E. I. DU PONT DE NEMOURS AND COMPANY

Inventor： PAUCHARD, Philippe

IPC: C08K5/523 ,  C08K5/5313 ,  C08L77/06 ,  C08L77/00

CPC classification number: C08K5/5313 ,  C08G69/36 ,  C08K3/22 ,  C08K5/523 ,  C08L77/06 ,  C08L85/02

Abstract: The present invention relates to halogen free flame retardant polyamide composition for moulded articles formed therefrom, comprising one or more semi-aromatic polyamide and a flame retardant system comprising a phosphinate and/or disphosphinate flame retardant and an phosphate ester flame retardant. Such halogen free flame retardant non reinforced polyamide compositions are suitable for making moulded articles for use in a variety of applications including electrical and electronic parts.

Abstract translation: 本发明涉及由其形成的模制品的无卤阻燃聚酰胺组合物，其包含一种或多种半芳族聚酰胺和包含次膦酸盐和/或分配磷酸盐阻燃剂和磷酸酯阻燃剂的阻燃体系。 这种无卤阻燃非增强聚酰胺组合物适用于制造用于各种应用的模制品，包括电气和电子部件。

公开(公告)号：WO2013012980A1

公开(公告)日：2013-01-24

申请号：PCT/US2012/047284

申请日：2012-07-19

Applicant: E. I. DU PONT DE NEMOURS AND COMPANY ,  TOPOULOS, Georgios

Inventor： TOPOULOS, Georgios

IPC: C08L77/06 ,  C08K7/14

CPC classification number: C08L77/06 ,  C08K7/14 ,  C08L2205/025 ,  Y10T428/24355

Abstract: The invention relates to resin compositions comprising at least one amorphous semi-aromatic polyamide, at least one semi-crystalline polyamide, and at least one glass reinforcement agent wherein the composition has a good balance of properties in terms of good mechanical properties, excellent surface appearance, and chemical resistance. This invention also relates to the use of such polyamide resins to manufacture device housings.

Abstract translation: 本发明涉及包含至少一种无定形半芳族聚酰胺，至少一种半结晶聚酰胺和至少一种玻璃增强剂的树脂组合物，其中组合物在良好的机械性能方面具有良好的性能平衡，优异的表面外观 ，耐化学性。 本发明还涉及这种聚酰胺树脂在制造装置壳体中的用途。

公开(公告)号：WO2012106309A3

公开(公告)日：2012-08-09

申请号：PCT/US2012/023276

申请日：2012-01-31

Applicant: E. I. DU PONT DE NEMOURS AND COMPANY ,  DOSHI, Shailesh ,  MATHEW, Annakutty

Inventor： DOSHI, Shailesh ,  MATHEW, Annakutty

IPC: C08L77/00 ,  C08L77/06 ,  C08L77/10 ,  C08G69/00 ,  C08J3/20

Abstract: Disclosed is a melt-blended thermoplastic composition including: A) a polyamide composition including a) 55 to 90 weight percent semi-crystalline semi-aromatic copolyamide; wherein the semi-aromatic copolyamide has a DMA tan delta peak value of greater than or equal to 0.23; and heat of fusion of at least 20 J/g and b) 10 to 45 weight percent aliphatic homopolyamide; wherein the aliphatic homopolyamide has a DMA tan delta peak value of less than or equal to 0.21; and heat of fusion of at least 30 J/g; B) 0 to 45 weight percent polymeric toughener; C) 0 to 20 weight percent plasticizer; and D) 0 to 45 weight percent reinforcing agent; wherein said melt-blend composition has a glass transition and has a tan delta peak (E"/E') value of 0.21 or lower at said glass transition. Further disclosed herein is a method for providing the melt-blended thermoplastic composition.

公开(公告)号：WO2011009111A1

公开(公告)日：2011-01-20

申请号：PCT/US2010/042389

申请日：2010-07-19

Applicant: E. I. DU PONT DE NEMOURS AND COMPANY ,  ORIHASHI, Yuji

Inventor： ORIHASHI, Yuji

IPC: C08L77/06

CPC classification number: C08L77/06 ,  C08L23/30 ,  C08L91/06 ,  C08L2666/06

Abstract: The present invention relates to a high temperature polyamide resin composition for moulded articles, articles formed therefrom and processes for producing the composition, comprising: semi-aromatic polyamide with a melt temperature above 280C and one or more oxidized polyethylene lubricants as internal lubricant.

Abstract translation: 本发明涉及一种模塑制品的高温聚酰胺树脂组合物，由其形成的制品及其制备方法，包括：熔融温度高于280℃的半芳族聚酰胺和一种或多种作为内部润滑剂的氧化聚乙烯润滑剂。

公开(公告)号：WO2010132535A1

公开(公告)日：2010-11-18

申请号：PCT/US2010/034495

申请日：2010-05-12

Applicant: E. I. DU PONT DE NEMOURS AND COMPANY ,  ARPIN, Thierry

Inventor： ARPIN, Thierry

IPC: C08K5/00 ,  C08K3/00

CPC classification number: C08K5/005 ,  C08K3/013 ,  C08L67/02

Abstract: The present invention relates to the field of ultraviolet light stabilized polyester compositions, particularly it relates to ultraviolet light stabilized polyester compositions for manufacturing articles having good mechanical properties and a good surface appearance upon long-term outdoor exposure and/or heat exposure. The polyester composition comprises from 0.3 to 3 wt-% of at least three UV stabilizers selected from the group of bl) one or more benzotriazole derivatives; b2) one or more triazine derivatives and/or pyrimidine derivatives; and b3) one or more hindered amine derivatives.

Abstract translation: 本发明涉及紫外光稳定聚酯组合物的领域，特别涉及用于制造具有良好机械性能并且长期室外暴露和/或热暴露时良好表面外观的制品的紫外光稳定聚酯组合物。 所述聚酯组合物包含0.3至3重量％的至少三种选自以下组中的至少三种UV稳定剂：b1）一种或多种苯并三唑衍生物; b2）一种或多种三嗪衍生物和/或嘧啶衍生物; 和b3）一种或多种受阻胺衍生物。

公开(公告)号：WO2010014790A1

公开(公告)日：2010-02-04

申请号：PCT/US2009/052217

申请日：2009-07-30

Applicant: E.I. DU PONT DE NEMOURS AND COMPANY ,  PALMER, Robert, J. ,  KOBAYASHI, Toshikazu ,  TOPOULOS, Georgios

Inventor： PALMER, Robert, J. ,  KOBAYASHI, Toshikazu ,  TOPOULOS, Georgios

IPC: C08L77/02 ,  C08K5/053 ,  C08L77/00 ,  C08K5/00 ,  C08K5/18

CPC classification number: C08L77/06 ,  C08G69/265 ,  C08G69/36 ,  C08K5/005 ,  C08K5/053 ,  C08K5/06 ,  C08K5/13 ,  C08K5/18 ,  C08L77/00 ,  Y10T428/139

Abstract: Disclosed is a molded or extruded thermoplastic article including a polyamide composition including (a) a polyamide resin (b) 0.1 to 10 weight percent of one or more polyhydric alcohols (c) 0 to 3 weight percent of a co-stabilizer selected from the group consisting of secondary aryl amines, hindered amine light stabilizers, and mixtures thereof; (d) 0 to less than 10 weight percent of one or more reinforcement agents; and (e) 0 to 50 weight percent polymeric toughener including a reactive functional group and/or a metal salt of a carboxylic acid; and wherein 4 mm test bars prepared from the polyamide composition, and exposed at an test temperature of 150 °C for a test period of about 1000 hours, have, on average, a retention of strain at break of greater than 80 percent compared with a control exposed at the said test temperature for 72 hours.

Abstract translation: 公开了一种模制或挤出的热塑性制品，其包括聚酰胺组合物，其包含（a）聚酰胺树脂（b）0.1至10重量％的一种或多种多元醇（c）0至3重量％的选自下组的共稳定剂 由仲芳基胺，受阻胺光稳定剂及其混合物组成; （d）0至小于10重量％的一种或多种增强剂; 和（e）0至50重量％的包含反应性官能团和/或羧酸金属盐的聚合物增韧剂; 并且其中由聚酰胺组合物制备并在150℃的试验温度下暴露于约1000小时的试验周期的4mm试验棒平均具有大于80％的断裂应变的保持率，与 控制在所述测试温度下暴露72小时。

公开(公告)号：WO2010014475A1

公开(公告)日：2010-02-04

申请号：PCT/US2009/051411

申请日：2009-07-22

Applicant: E. I. DU PONT DE NEMOURS AND COMPANY ,  ARPIN, Thierry

Inventor： ARPIN, Thierry

IPC: C08L67/02

CPC classification number: C08L67/02 ,  C08L23/08 ,  C08L67/025 ,  Y10T428/13 ,  Y10T428/1303 ,  Y10T428/1352 ,  Y10T428/1359 ,  Y10T428/139 ,  C08L2666/02

Abstract: The invention relates to polyester compositions comprising a) a poly(cyclohexylene-dtmethylene) terephthalate (PCT) resin, b) at least one copolyester elastomer and c) at least three ethylene copolymers chosen among c1) one or more ethylene alkyl-(meth)acrylvate copolymers; c2) one or more ethylene acid copolymers and/or ionomers thereof; and c3) one or more ethylene epoxide copolymers. The disclosed polyester compositions are particularly well suited for manufacturing articles that maintain good mechanical properties against long-term high temperature exposure, i.e. for high temperature applications.

Abstract translation: 本发明涉及聚酯组合物，其包含a）聚（亚环己基 - 对亚甲基）对苯二甲酸酯（PCT）树脂，b）至少一种共聚酯弹性体和c）至少三种乙烯共聚物，选自c1）一种或多种乙烯烷基 - （甲基） 丙烯酸共聚物; c2）一种或多种乙烯酸共聚物和/或其离聚物; 和c3）一种或多种乙烯环氧化物共聚物。 所公开的聚酯组合物特别适用于制造对长期高温暴露（即用于高温应用）保持良好的机械性能的制品。