Copolyester fibers
    1.
    发明授权
    Copolyester fibers 失效
    共聚酯纤维

    公开(公告)号:US06383433B1

    公开(公告)日:2002-05-07

    申请号:US09906577

    申请日:2001-07-13

    IPC分类号: B29C4788

    摘要: The present invention provides a copolyester fiber consisting of a copolyester with primarily C2-4 alkylene terephthalate units and a process for producing these copolyester fibers. The copolyester contains more than 4 wt % up to 12 wt % poly(C2-4 alkylene glycol) units and 60 to 260 ppm pentaerythritol units and/or a total of 150 to less than 2500 ppm carboxy methylene phosphonic acid units and/or carboxy ethylene phosphonic acid units polymerized into it.

    摘要翻译: 本发明提供了由主要具有C2-4亚烷基对苯二甲酸酯单元的共聚酯和这种共聚酯纤维的生产方法组成的共聚酯纤维。共聚酯含有多于4重量%的至多12重量%的聚(C 2-4亚烷基二醇)单元 和60至260ppm的季戊四醇单元和/或总共150至小于2500ppm的羧基亚甲基膦酸单元和/或其中聚合的羧基乙烯膦酸单元。

    Copolyester fiber
    2.
    发明授权
    Copolyester fiber 失效
    共聚纤维

    公开(公告)号:US06261686B1

    公开(公告)日:2001-07-17

    申请号:US09353165

    申请日:1999-07-14

    IPC分类号: D02G300

    摘要: The present invention provides a copolyester fiber consisting of a copolyester with primarily C2-4 alkylene terephthalate units and a process for producing these copolyester fibers. The copolyester contains more than 4 wt % up to 12 wt % poly(C2-4 alkylene glycol) units and 60 to 260 ppm pentaerythritol units and/or a total of 150 to less than 2500 ppm carboxy methylene phosphonic acid units and/or carboxy ethylene phosphonic acid units polymerized into it.

    摘要翻译: 本发明提供了由主要具有C2-4亚烷基对苯二酸酯单元的共聚酯和这些共聚酯纤维的制备方法组成的共聚酯纤维。 共聚多酯包含多于4重量%的至多12重量%的聚(C 2-4亚烷基二醇)单元和60至260ppm的季戊四醇单元和/或总共150至小于2500ppm的羧基亚甲基膦酸单元和/或羧基 乙烯膦酸单元聚合成它。

    Process of making poy polyester fiber
    3.
    发明授权
    Process of making poy polyester fiber 失效
    制造聚酯纤维的工艺

    公开(公告)号:US5965259A

    公开(公告)日:1999-10-12

    申请号:US21611

    申请日:1998-02-10

    摘要: The present invention is a pre-oriented, non-stretched polyester fiber spun with spooling speeds of at least 3,000 m/min., wherein the polyester is a copolymer comprised essentially of ethylene terephthalate units and up to 10 weight % of other dicarboxylic acids or other diols, and carboxy phosphonic acid units of the formula: ##STR1## wherein R is selected from C.sub.1-10 -alkylene, C.sub.1-10 -cycloalkylene or C.sub.6-10 -arylene, in a quantity corresponding to 30 to 500 ppm phosphorus, in relation to polyester. The invention also comprises a process for the production of this fiber.

    摘要翻译: 本发明是一种预卷取的非拉伸聚酯纤维,其纺丝速度为至少3,000m / min,其中聚酯是基本上由对苯二甲酸乙二醇酯单元和至多10重量%的其它二羧酸组成的共聚物或 其它二醇和羧基膦酸单元,其结构式如下:其中R选自C 1-10 - 亚烷基,C 1-10 - 亚环烷基或C 6-10 - 亚芳基,相对于聚酯,其量相当于30-500ppm磷 。 本发明还包括生产该纤维的方法。

    Process for the production of flame-resistant polyesters
    4.
    发明授权
    Process for the production of flame-resistant polyesters 失效
    生产耐火聚酯的方法

    公开(公告)号:US5859173A

    公开(公告)日:1999-01-12

    申请号:US968607

    申请日:1997-11-13

    IPC分类号: C08G63/692 C08G63/00

    CPC分类号: C08G63/6926

    摘要: The present invention comprises a process for the production of flame-resistant polyesters with at least 50 mol-% ethylene carboxylate units through esterification or ester interchange and co-polycondensation of at least one diol and a dicarboxylic acid or its dialkyl ester with a carboxyphosphinic acid, whereby the carboxyphosphinic acid, before being added to the co-polycondensation mixture, is dissolved in ethylene glycol of not more than 90.degree. C., and the acid number of this solution is standardized to 50 to 350 mg KOH/g of carboxyphosphinic acid by adding at least one basic alkali metal compound in the absence of oxygen, and said solution is added to the co-polycondensation mixture during the second half of the esterification or ester interchange reaction.

    摘要翻译: 本发明包括通过酯化或酯交换和至少一种二醇和二羧酸或其二烷基酯与羧基次膦酸的共缩聚生产具有至少50mol%乙烯羧酸酯单元的阻燃聚酯的方法 ,由此将羧基次膦酸在加入共缩合混合物中之前溶于不超过90℃的乙二醇中,该溶液的酸值标准化为50-350mg KOH / g羧基次膦酸 通过在不存在氧的情况下加入至少一种碱式碱金属化合物,并且在酯化或酯交换反应的后半段期间将所述溶液加入到共缩聚混合物中。

    Process for the processing of polymer mixtures into filaments
    8.
    发明授权
    Process for the processing of polymer mixtures into filaments 失效
    将聚合物混合物加工成细丝的方法

    公开(公告)号:US5993712A

    公开(公告)日:1999-11-30

    申请号:US123769

    申请日:1998-07-28

    CPC分类号: D01F6/92 D01F6/90

    摘要: The invention concerns a method of processing polymer blends based on polyester or polyamide with a draw-off speed of .gtoreq.1500 m/min to produce filaments with an elongation at break of .ltoreq.180%, where a second amorphous polymer is added to the polyester or polyamide in the amount of 0.05 to 5 wt % and the polymer is a copolymer composed of at least two of the following monomer units:0 to 90 wt % A, wherein A is a monomer of formula CH.sub.2 .dbd.C(R)--COOR.sup.1, wherein R is --H or --CH.sub.3 and R.sup.1 is straight or branched chain C.sub.1 -C.sub.10 alkyl or cyclohexyl.0 to 40 wt % B, wherein B is a monomer of maleic acid or maleic anhydride, and5 to 85 wt % C, wherein C is a monomer of styrene or methyl substituted styrene such that (wt % A+wt % B+wt % C)=100, and these filaments are processed by a drawing process or a stretch texturing process at high speeds. Preferably R.sup.1 is methyl, ethyl, n-propyl, n-butyl, iso-butyl, 2-ethyl-butyl, 2-ethyl hexyl, n-hexyl, n-heptyl, or cyclohexyl. Preferably, C is styrene, .alpha.-methyl styrene, 3-methyl styrene, or 4-methyl styrene. Most preferably C is styrene.

    摘要翻译: 本发明涉及一种以> / = 1500m / min的拉脱速度处理基于聚酯或聚酰胺的聚合物共混物的方法,以产生断裂伸长率为

    Process of making poy polyester fiber
    9.
    发明授权
    Process of making poy polyester fiber 失效
    制造聚酯纤维的工艺

    公开(公告)号:US5756033A

    公开(公告)日:1998-05-26

    申请号:US796396

    申请日:1997-02-06

    摘要: The present invention is a pre-oriented, undrawn polyester fiber spun with spooling speeds of at least 3,000 m/min., wherein the polyester is a copolymer comprised essentially of ethylene terephthalate units and up to 10 weight % of other dicarboxylic acids or other diols, and carboxy phosphonic acid units of the formula: ##STR1## wherein R is selected from C.sub.1-10 -alkylene, C.sub.1-10 -cycloalkylene or C.sub.6-10 -arylene, in a quantity corresponding to 30 to 500 ppm phosphorus, in relation to polyester. The invention also comprises a process for the production of this fiber.

    摘要翻译: 本发明是一种预卷取的未拉伸聚酯纤维,其纺丝速度为至少3,000m / min,其中聚酯是基本上由对苯二甲酸乙二醇酯单元和至多10重量%的其它二羧酸或其它二醇组成的共聚物 ,和下式的羧基膦酸单元:其中R选自C 1-10 - 亚烷基,C 1-10 - 亚环烷基或C 6-10亚芳基,其量相当于30-500ppm磷,相对于 聚酯。 本发明还包括一种生产该纤维的方法。

    Process for the acceleration of the polycondensation of polyester
    10.
    发明授权
    Process for the acceleration of the polycondensation of polyester 失效
    加速聚酯缩聚的方法

    公开(公告)号:US5744572A

    公开(公告)日:1998-04-28

    申请号:US797461

    申请日:1997-02-06

    摘要: A process for the acceleration of the polycondensation of polyester made by the esterification of at least one dicarboxylic acid with at least one diol, precondensation, melt phase polycondensation, granulation, crystallization and solid phase polycondensation comprising the addition, prior to the precondensation reaction, of from about 30 to about 900 ppm phosphorus in relation to the polyester in the form of carboxy phosphonic acid of the formula: ##STR1## wherein, R is selected from the group consisting of C.sub.1-10 -alkylene, C.sub.1-10 -cycloalkylene, and C.sub.6-10 -arylene and R.sup.1, R.sup.2, and R.sup.3 are selected from the group consisting of hydrogen, C.sub.1-10 -alkyl, C.sub.1-10 -cycloalkyl, and C.sub.6-10 -aryl, provided that at least two of R.sup.1, R.sup.2, and R.sup.3 are hydrogen.

    摘要翻译: 一种通过至少一种二羧酸与至少一种二醇的酯化促进聚酯缩聚的方法,预缩合,熔融相缩聚,制粒,结晶和固相缩聚,其包括在预缩合反应之前加入 相对于具有下式的羧基膦酸形式的聚酯的约30至约900ppm的磷:其中,R选自C 1-10 - 亚烷基,C 1-10 - 亚环烷基和 C 6-10 - 亚芳基,R 1,R 2和R 3选自氢,C 1-10 - 烷基,C 1-10 - 环烷基和C 6-10 - 芳基,条件是R 1,R 2, 和R3是氢。