Process for producing high molecular weight polyethylene
    1.
    发明授权
    Process for producing high molecular weight polyethylene 有权
    生产高分子量聚乙烯的方法

    公开(公告)号:US09555160B2

    公开(公告)日:2017-01-31

    申请号:US15048926

    申请日:2016-02-19

    摘要: The invention relates to a process for producing an (ultra) high molecular weight polyethylene (HMWPE) article comprising: incorporating into the HMWPE resin a Hindered Amine Light Stabilizer (HALS) and cross-link the (U)HMWPE during or after molding the (U)HMWPE resin. In particular the invention relates to a process comprising the following steps: a) incorporating into (U)HMWPE resin a Hindered Amine Light Stabilizer (HALS) according to one of the following general formulas or combinations hereof:  wherein R1 up to and including R5 are herein independent substituents; for example containing hydrogen, ether, ester, amine, amide, alkyl, alkenyl, alkynyl, aralkyl, cycloalkyl and/or aryl groups, which substituents may in turn contain functional groups, for example alcohols, ketones, anhydrides, imines, siloxanes, ethers, carboxyl groups, aldehydes, esters, amides, imides, amines, nitriles, ethers, urethanes and any combination thereof; b) molding the (U)HMWPE resin comprising the HALS, resulting in an article; c) cross-linking and sterilizing the article via gamma radiation or electron beam radiation; d) optionally, if step b results in a stock shape, machining the stock shape into an article; wherein step c and step d can be performed in either order.

    摘要翻译: 本发明涉及一种用于生产(超)高分子量聚乙烯(HMWPE)制品的方法,其包括: - 在成型期间或之后 - 将HMWPE树脂中的受阻胺光稳定剂(HALS)和 - 交联(U)HMWPE (U)HMWPE树脂。 具体而言,本发明涉及一种包括以下步骤的方法:a)根据以下通式或其组合之一将(U)HMWPE树脂掺入到受阻胺光稳定剂(HALS)中:其中R 1直至并包括R 5为 本文独立取代基; 例如含有氢,醚,酯,胺,酰胺,烷基,烯基,炔基,芳烷基,环烷基和/或芳基,该取代基又可包含官能团,例如醇,酮,酸酐,亚胺,硅氧烷,醚 羧基,醛,酯,酰胺,酰亚胺,胺,腈,醚,氨基甲酸酯及其任何组合; b)模制包含HALS的(U)HMWPE树脂,得到制品; c)通过伽马辐射或电子束辐射对制品进行交联和灭菌; d)任选地,如果步骤b导致坯料形状,将坯料加工成制品; 其中步骤c和步骤d可以以任何顺序执行。

    POLYOLEFIN FIBER
    2.
    发明申请
    POLYOLEFIN FIBER 审中-公开
    聚烯烃纤维

    公开(公告)号:US20140322516A1

    公开(公告)日:2014-10-30

    申请号:US14359400

    申请日:2012-11-21

    IPC分类号: D01F6/46 A01K91/00 A01K74/00

    摘要: The invention relates to a gel-spun fiber comprising a polyolefin polymer forming a fiber body, wherein a stabilizer is present inside the fiber body, characterized in that the amount of said stabilizer is between 0.05 and 10 parts by weight based on 100 parts by weight of the amount of the polyolefin polymer forming said fiber body.

    摘要翻译: 本发明涉及包含形成纤维体的聚烯烃聚合物的凝胶纺丝纤维,其中在纤维体内存在稳定剂,其特征在于所述稳定剂的量为基于100重量份的0.05至10重量份 形成所述纤维体的聚烯烃聚合物的量。

    Heat stabilized moulding composition
    4.
    发明授权
    Heat stabilized moulding composition 有权
    热稳定成型组合物

    公开(公告)号:US08975325B2

    公开(公告)日:2015-03-10

    申请号:US14294086

    申请日:2014-06-02

    摘要: Non-fibrous-reinforced thermoplastic molding compositions comprising a metal powder as a heat stabilizer are provided. The metal powder has a weight average particle size (dm) of at most 1 mm and the metal in the metal powder is selected from the group consisting of elementary metals from Group VB, VIB, VIIB and VIIIB of the Periodic Table, and mixtures thereof. A thermoplastic polyamide is also provided with an Mw of at most 50,000 g/mol, or a blend of at least two thermoplastic polymers with Tmelt or Tg differing by at least 20° C., or a second thermostabilizer. The invention also relates to the use of these compositions in high temperature applications.

    摘要翻译: 提供了包含金属粉末作为热稳定剂的非纤维增强热塑性模塑组合物。 金属粉末的重均粒径(dm)至多为1mm,金属粉末中的金属选自元素周期表的VB族,VIB族,VIIB族和VIIIB族的元素金属,以及它们的混合物 。 热塑性聚酰胺还具有至多50,000g / mol的Mw,或Tmelt或Tg至少为20℃的至少两种热塑性聚合物的共混物,或第二热稳定剂。 本发明还涉及这些组合物在高温应用中的用途。

    Heat stabilized polyamide composition

    公开(公告)号:US11214682B2

    公开(公告)日:2022-01-04

    申请号:US15328633

    申请日:2015-07-23

    摘要: The invention relates to a polyamide composition comprising: a. A semi-crystalline polyamide; b. An impact modifier in an amount ranging from 1 wt % to 50 wt %; c. A branching agent in an amount ranging from 0.01 to 6.0 wt %; d. An inorganic stabilizer in an amount ranging from 0.01 wt % to 2.0 wt %; e. An organic stabilizer E1 comprising a primary antioxidant group in an amount ranging from 0.01 wt % to 2.0 wt and an organic stabilizer E2 comprising a hindered amine group in an amount ranging from 0.01 wt % to 4.0 wt %; or an organic stabilizer E3 comprising a primary antioxidant group and a hindered amine group in an amount ranging from 0.02 to 6.0 wt %; or a combination of E1, E2 and E3 in a total amount of 0.02 to 6.0 wt %; wherein all wt % are based on the total amount of polyamide composition. The invention also relates to a process for preparing a container by blow molding this composition, as well as use of the container in various applications.

    Process for producing high molecular weight polyethylene
    10.
    发明授权
    Process for producing high molecular weight polyethylene 有权
    生产高分子量聚乙烯的方法

    公开(公告)号:US09290629B2

    公开(公告)日:2016-03-22

    申请号:US14670742

    申请日:2015-03-27

    摘要: The invention relates to a process for producing an (ultra) high molecular weight polyethylene (HMWPE) article comprising: incorporating into the HMWPE resin a Hindered Amine Light Stabilizer (HALS) and cross-link the (U)HMWPE during or after molding the (U)HMWPE resin. In particular the invention relates to a process comprising the following steps: a) incorporating into (U)HMWPE resin a Hindered Amine Light Stabilizer (HALS) according to one of the following general formulas or combinations hereof:  wherein R1 up to and including R5 are herein independent substituents; for example containing hydrogen, ether, ester, amine, amide, alkyl, alkenyl, alkynyl, aralkyl, cycloalkyl and/or aryl groups, which substituents may in turn contain functional groups, for example alcohols, ketones, anhydrides, imines, siloxanes, ethers, carboxyl groups, aldehydes, esters, amides, imides, amines, nitriles, ethers, urethanes and any combination thereof; b) molding the (U)HMWPE resin comprising the HALS, resulting in an article; c) cross-linking and sterilizing the article via gamma radiation or electron beam radiation; d) optionally, if step b results in a stock shape, machining the stock shape into an article; wherein step c and step d can be performed in either order.

    摘要翻译: 本发明涉及一种用于生产(超)高分子量聚乙烯(HMWPE)制品的方法,其包括:在成型期间或之后,将(UALS)掺杂到HMWPE树脂中并与(U)HMWPE交联, U)HMWPE树脂。 具体而言,本发明涉及一种包括以下步骤的方法:a)根据以下通式或其组合之一将(U)HMWPE树脂掺入到受阻胺光稳定剂(HALS)中:其中R 1直至并包括R 5为 本文独立取代基; 例如含有氢,醚,酯,胺,酰胺,烷基,烯基,炔基,芳烷基,环烷基和/或芳基,该取代基又可包含官能团,例如醇,酮,酸酐,亚胺,硅氧烷,醚 羧基,醛,酯,酰胺,酰亚胺,胺,腈,醚,氨基甲酸酯及其任何组合; b)模制包含HALS的(U)HMWPE树脂,得到制品; c)通过伽马辐射或电子束辐射对制品进行交联和灭菌; d)任选地,如果步骤b导致坯料形状,将坯料加工成制品; 其中步骤c和步骤d可以以任何顺序执行。