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1.发明授权Preparation of articles of manufacture from isotropic and anisotropic polyamide anion solutions 失效从各向同性和各向异性聚酰胺阴离子溶液制备制品
公开(公告)号：US5084497A
公开(公告)日：1992-01-28
申请号：US530363
申请日：1990-05-30
CPC分类号： C08J3/097 , C08J5/18 , C08L77/10 , D01F6/605 , C08J2377/10
摘要： A process for preparing shaped articles of manufacture such as fibers, films and coatings from aromatic polyamide anions in liquid sulfoxides; anisotropic solutions of aromatic polyamide anions useful for the preparation of shaped articles having anistropic properties; isotropic solutions comprising the potassium salt of the polyamide anion; and methods for regulating solution viscosity by control of the degree to which the aromatic polyamide anions are deprotonated.
摘要翻译： 一种制备成形制品的方法，例如纤维，薄膜和液体亚砜中芳族聚酰胺阴离子的涂层; 用于制备具有不平整性质的成型制品的芳族聚酰胺阴离子的各向异性溶液; 包含聚酰胺阴离子的钾盐的各向同性溶液; 以及通过控制芳香族聚酰胺阴离子去质子化程度来调节溶液粘度的方法。
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公开(公告)号：US5382650A
公开(公告)日：1995-01-17
申请号：US170477
申请日：1993-12-20
CPC分类号： C08G63/826 , C08G63/82
摘要： Novel catalysts for polyester production by esterification and/or transesterification are MoS.sub.2 or WS.sub.2 which have been intercalated by alkali metals cations, especially lithium cations, and then contacted with an alcohol or a polyol, a preferred polyol being a glycol which is one of the monomeric units in the polyester produced.
摘要翻译： 通过酯化和/或酯交换的聚酯生产的新型催化剂是由碱金属阳离子，特别是锂阳离子插入的MoS2或WS2，然后与醇或多元醇接触，优选的多元醇是作为单体 单位在聚酯生产。
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公开(公告)号：US5202389A
公开(公告)日：1993-04-13
申请号：US801345
申请日：1991-12-02
申请人： Robert R. Burch, Jr.
发明人： Robert R. Burch, Jr.
IPC分类号： C08G73/22
CPC分类号： C08G73/22
摘要： This invention relates to a process for making polymers containing benzoxazole groups by heating, and thereby dehalogenating, novel anions of orthohalogenated aromatic amide groups of a polyamide. The products are useful as fibers and films.
摘要翻译： 本发明涉及一种通过加热制备含苯并恶唑基团的聚合物的方法，从而使聚酰胺的正卤代芳族酰胺基团的新型阴离子脱卤。 该产品可用作纤维和薄膜。
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公开(公告)号：US5093436A
公开(公告)日：1992-03-03
申请号：US545039
申请日：1990-06-28
申请人： Robert R. Burch, Jr.
发明人： Robert R. Burch, Jr.
CPC分类号： C08G73/22
摘要： This invention relates to a process for making polymers containing benzoxazole groups by heating, and thereby dehalogenating, novel anions of orthohalogenated aromatic amide groups of a polyamide. The products are useful as fibers and films.
摘要翻译： 本发明涉及一种通过加热制备含苯并恶唑基团的聚合物的方法，从而脱酰化聚酰胺的正卤代芳族酰胺基团的新型阴离子。 该产品可用作纤维和薄膜。
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