Wholly aromatic polyamide
    1.
    发明授权
    Wholly aromatic polyamide 失效
    全芳香族聚酰胺

    公开(公告)号:US5274071A

    公开(公告)日:1993-12-28

    申请号:US649575

    申请日:1991-02-01

    IPC分类号: C08G69/32 C08G69/12

    CPC分类号: C08G69/32 Y10T428/31725

    摘要: A wholly aromatic polyamide capable of being dissolved in organic solvents to form an isotropic dope solution and having an excellent chemical resistance, heat resistance, processability and mechanical strength and a high modulus, comprises recurring aromatic dicarbonyl units of the formulae: ##STR1## and recurring aromatic diamine units of the formulae: ##STR2## wherein R and R' are a hydrogen or halogen atom or an alkyl or alkoxyl radical, n is 1 to 3, and p and q are 1 to 4.

    Wholly aromatic polyamide copolymer
    2.
    发明授权
    Wholly aromatic polyamide copolymer 失效
    全芳香族聚酰胺共聚物

    公开(公告)号:US5006629A

    公开(公告)日:1991-04-09

    申请号:US428898

    申请日:1989-10-30

    IPC分类号: C08G69/32

    CPC分类号: C08G69/32

    摘要: A wholly aromatic polyamide copolymer having excellent heat, flame and chemical resistances, solubility in organic solvents and shaping property and useful for shaped article having a high mechanical strength and modulus of elasticity, comprising the repeating units of the formulae: ##STR1## and at least one member selected from ##STR2## wherein X=a halogen atom, n, or m=1 to 4 and n+m=1 to 8.

    Fiber of wholly aromatic copolyamide from 2,6-naphthalene dicarboxylic
acid and 3,4'-diaminodiphenylether
    3.
    发明授权
    Fiber of wholly aromatic copolyamide from 2,6-naphthalene dicarboxylic acid and 3,4'-diaminodiphenylether 失效
    来自2,6-萘二甲酸二异氰酸酯和3,4'-二氨基二苯基甲烷的芳香族芳族酰胺纤维

    公开(公告)号:US5177175A

    公开(公告)日:1993-01-05

    申请号:US604061

    申请日:1990-10-26

    IPC分类号: C08G69/26 C08G69/32 D01F6/80

    摘要: A wholly aromatic copolymer and a shaped article thereof having an excellent mechanical property, high resistances to heat and chemicals, and a satisfactory processability, is composed of (1) an aromatic dicarbonyl moiety consisting of recurring dicarbonyl units (A) and (B): ##STR1## and (2) an aromatic diamine moiety consisting of recurring diamine units (C) and (D): ##STR2## and the recurring dicarbonyl units (B) being in an amount of 0.01 molar % or more but less than 20 molar % based on the total molar amount of the dicarbonyl moiety (1), and the recurring diamine units (D) being in an amount of 60 molar % or less but more than 20 molar % based on the total molar amount of the diamine moiety (2).

    摘要翻译: 具有优异的机械性能,高耐热性和耐化学性,以及令人满意的加工性的全芳香族共聚物及其成型体由(1)由二羰基单元(A)和(B)构成的芳香族二羰基部分组成: (A)和图像(B)和(2)由重复二胺单元(C)和(D)组成的芳族二胺部分:(C)和(D) 二羰基单元(B)的量相对于二羰基部分(1)的总摩尔量为0.01摩尔%以上且小于20摩尔%,重复二胺单元(D)为60摩尔 %或更少但大于20摩尔%,基于二胺部分(2)的总摩尔量。

    Wholly aromatic polyamide resin composition having enhanced light
resistance
    4.
    发明授权
    Wholly aromatic polyamide resin composition having enhanced light resistance 失效
    具有增强的耐光性的全芳族聚酰胺树脂组合物

    公开(公告)号:US5312851A

    公开(公告)日:1994-05-17

    申请号:US998010

    申请日:1992-12-29

    CPC分类号: C08K5/20 C08K5/3417

    摘要: A light-resistant wholly aromatic polyamide resin composition comprises a light-resisting agent blended to a wholly aromatic polyamide resin and comprising at least one naphthalene ring structure-containing compound of the formula (I): ##STR1## wherein Ar.sub.1, Ar.sub.2, Ar.sub.3 =a divalent organic group, X=an amide bond group (--CONH), Y=an amide bond group or an imide bond group ##STR2## A and B=a monovalent organic group when Y=an amide bond group, or =a divalent organic group when Y=an imide bond group, n=1 to 10, and at least one of Ar.sub.1, Ar.sub.2, Ar.sub.3, A and B has a naphthalene ring structure.

    摘要翻译: 耐光全芳族聚酰胺树脂组合物包含与全芳香族聚酰胺树脂混合并包含至少一种含萘环结构的式(I)化合物的耐光剂:其中Ar 1,Ar 2 ,Ar 3 =二价有机基团,X =酰胺键基(-CONH),Y =酰胺键基或酰亚胺键基团A和B =当Y =酰胺键基团时的单价有机基团,或 = Y =酰亚胺键合基团时的二价有机基团,n = 1〜10,Ar 1,Ar 2,Ar 3,A和B中的至少1个具有萘环结构。

    Polyethylene naphthalate fiber
    8.
    发明授权
    Polyethylene naphthalate fiber 失效
    聚萘二甲酸乙二醇酯纤维

    公开(公告)号:US06177192B1

    公开(公告)日:2001-01-23

    申请号:US09424083

    申请日:1999-11-19

    IPC分类号: D01F600

    摘要: A polyethylene naphthalate fiber of the present invention comprises a naphthalate-based copolyester in which at least 85 mol % or more of the total of recurring units is an ethylene 2,6-naphthalate unit, and it is obtained by copolymerizing an alkylene oxide adduct of a divalent phenol expressed by the following general formula (I) in an amount of 1 to 15 mol % as a part of the diol component. H—(OA)m—O—Ar—O—(AO)n—H  (I) In the formula, A expresses an alkylene group having a carbon number of 2 to 4, m and n are same as or different from each other, and each express an integer of 1 to 5, and Ar expresses a p-phenylene group, an m-phenylene group or a group of the following general formula (II) —Ph—X—Ph—  (II) In the formula, Ph expresses a p-phenylene group, and X expresses a 2,2-propylene group, a sulfone group, a methylene group, an oxygen atom or a sulfur atom. This fiber has high retention ratios of tensile strength and knot strength, and is excellent in durability, and the fiber is suited for applications such as a dryer canvas for papermaking which is used under severe conditions in which especially wet heat treatments and dry heat treatments are repeated.

    摘要翻译: 本发明的聚萘二甲酸乙二醇酯纤维包括萘二甲酸酯类共聚酯,其中重复单元总数的至少85摩尔%以上为2,6-萘二甲酸乙二醇酯单元,其通过将 作为二醇成分的一部分,由以下通式(I)表示的二价酚以1〜15摩尔%的量表示。在式中,A表示碳数为2〜4的亚烷基,m和n 彼此相同或不同,各自表示1〜5的整数,Ar表示对亚苯基,间亚苯基或下述通式(II)的基团。在式中,Ph表示 对亚苯基,X表示2,2-亚丙基,砜基,亚甲基,氧原子或硫原子。该纤维的拉伸强度和结强度保持率高,优异的 耐用性,并且该纤维适用于诸如烘干机帆布的应用 用于在特别湿热处理和干热处理重复的恶劣条件下使用的造纸。

    Electroconductive conjugate fiber
    9.
    发明授权
    Electroconductive conjugate fiber 失效
    导电复合纤维

    公开(公告)号:US5654096A

    公开(公告)日:1997-08-05

    申请号:US413771

    申请日:1995-03-30

    IPC分类号: D01F1/09 D01F8/04 D02G3/00

    摘要: An easily producible electroconductive conjugate fiber having an excellent electroconductivity and a high whiteness includes at least one non-electroconductive filamentary segment (A) formed from a fiber-forming polymeric material and at least one electroconductive filamentary segment (B) incorporated with the segments (A) so as to form, for example, a core-in-sheath type or bimetal type conjugate fiber, and including a thermoplastic polymeric matrix (a) and a plurality of electroconductive multilayered particles (b) dispersed in the matrix (a), having an average size of 0.1 to 2.0 .mu.m and each having (i) a core particle of a metal component, (ii) an undercoat layer formed from tin oxides on the core particle and (iii) an uppercoat layer formed from a mixture of indium oxides with tin oxides on the undercoat layer (ii), and optionally surface-treated with a silane compound, for example, vinyl tri-C.sub.1-5 alkoxysilane, or divinyl di-C.sub.1-5 alkoxysilane.

    摘要翻译: 具有优异的导电性和高白度的容易生产的导电复合纤维包括由纤维形成聚合物材料形成的至少一个非导电丝状链段(A)和至少一个引入片段的导电丝状链段(B) )以形成例如芯鞘型或双金属型复合纤维,并且包括分散在基质(a)中的热塑性聚合物基质(a)和多个导电多层颗粒(b),其具有 平均尺寸为0.1〜2.0μm,并且各自具有(i)金属成分的芯粒子,(ii)由芯粒子上的氧化锡形成的底涂层,(iii)由铟的混合物形成的上涂层 在内涂层(ii)上含氧化锡的氧化物,任选用硅烷化合物,例如乙烯基三-C5烷氧基硅烷或二乙烯基二-C5烷氧基硅烷表面处理。