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    • 3. 发明授权
    • Melt-moldable wholly aromatic polyester
    • 可熔融的全芳族聚酯
    • US4764583A
    • 1988-08-16
    • US24087
    • 1987-03-10
    • Kunisuke FukuiMasanori Motooka
    • Kunisuke FukuiMasanori Motooka
    • C08G63/60C08G63/66
    • C08G63/605
    • A melt-moldable wholly aromatic polyester comprising (A) aromatic hydroxycarboxylic acid residues, (B) aromatic diol residues, (C) 4,4'-dihydroxydiphenyl ether residues represented by the following formula ##STR1## and (D) aromatic dicarboxylic acid residues, and a melt-moldable wholly aromatic polyester comprising (A) aromatic hydroxycarboxylic acid residues, (C)' aromatic diol residues represented by the following formula--O--Ar.sup.4 --O--wherein Ar.sup.4 represents a group at least 60 mole % of which consists of a group of the following formula (a) ##STR2## or a group of the formula (a) and a group of the following formula (b) ##STR3## and (D) aromatic dicarboxylic acid residues.
    • 包含(A)芳族羟基羧酸残基的可熔融模制的全芳族聚酯,(B)芳族二醇残基,(C)由下式表示的4,4'-二羟基二苯基醚残基和(D)芳族二羧酸残基 和可熔融成型的全芳族聚酯,其包含(A)芳族羟基羧酸残基,(C)由下式-O- Ar 4 -O-表示的芳族二醇残基,其中Ar 4表示至少60摩尔%的基团 (a)或式(a)的基团和下述式(b)的基团和(D)芳族二羧酸残基组成的组。
    • 4. 发明授权
    • Graft-modified ultrahigh-molecular-weight polyethylene and process for
producing same
    • 接枝改性的超高分子量聚乙烯及其制备方法
    • US4616059A
    • 1986-10-07
    • US770058
    • 1985-08-28
    • Masanori MotookaHitoshi Mantoku
    • Masanori MotookaHitoshi Mantoku
    • C08F8/00B29C55/00B29K23/00C08F8/46C08F255/00C08F255/02D01F6/04D01F6/46D02J1/22C08K5/01
    • C08F255/02
    • A graft-modified ultrahigh-molecular-weight polyethylene obtained by grafting (A) an ultrahigh-molecular-weight polyethylene having an inherent viscosity [.eta.], determined at 135.degree. C. in decalin, of at least 5 dl/g with (C) an unsaturated carboxylic acid graft-copolymerizable therewith or its graft-copolymerizable derivative, under melt-kneading condition in the presence of (B) an aliphatic compound having a melting point, determined by the DSC method, of at least 10.degree. C. and a boiling point of at least 130.degree. C., an amount of the component (C) grafted in said graft-modified ultrahigh-molecular-weight polyethylene being 0.01 to 10% by weight, and said graft-modified ultrahigh-molecular-weight polyethylene being substantially free of an insoluble gel product and having a tensile strength of at least 1.0 GPa; and a process for producing the same.
    • 接枝改性的超高分子量聚乙烯通过将(A)在十氢萘中在135℃下测定的特性粘度η至少为5dl / g的超高分子量聚乙烯(A)与(C )可接枝共聚的不饱和羧酸或其接枝可共聚的衍生物,在熔融捏合条件下,在(B)通过DSC方法测定的熔点的脂族化合物存在下至少10℃,和 沸点至少为130℃,接枝在所述接枝改性的超高分子量聚乙烯中的成分(C)的量为0.01〜10重量%,所述接枝改性的超高分子量聚乙烯 基本上不含不溶性凝胶产品并具有至少1.0GPa的拉伸强度; 及其制造方法。