Transparent mixture of linear styrene-butadiene block copolymer
    1.
    发明专利
    Transparent mixture of linear styrene-butadiene block copolymer 有权
    线性苯乙烯 - 丁二烯嵌段共聚物的透明混合物

    公开(公告)号:JP2006169522A

    公开(公告)日:2006-06-29

    申请号:JP2005355863

    申请日:2005-12-09

    Abstract: PROBLEM TO BE SOLVED: To provide a transparent mixture comprising a styrene-butadiene block copolymer and a polystyrene, which has high toughness and excellent transparency even when the polystyrene content in the mixture is relatively high, wherein the above-noted properties have been obtained by avoiding conventional disadvantages. SOLUTION: This mixture comprises a linear block copolymer comprising a vinyl aromatic monomer and a diene, which has structures of (I) S 1 -B 1 -S 2 and (II) B 2 -S 3 , wherein S 1 represents a block comprising a vinyl aromatic monomer having a number average molecular weight (Mn) of in a range of from 40,000 to 100,000 g/mol; S 2 and S 3 respectively represent a block comprising a vinyl aromatic monomer having a number average molecular weight (Mn) of in a range of from 5,000 to 20,000 g/mol; and B 1 and B 2 respectively represent either one or more block comprising a diene, or a block of a copolymer comprising a diene and a vinyl aromatic monomer having a number average molecular weight (Mn) of in a range of from 15,000 to 100,000 g/mol, and wherein the ratio of (I)/(II) in the block copolymer is in a range of from 0.5 to 10. COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:为了提供包含苯乙烯 - 丁二烯嵌段共聚物和聚苯乙烯的透明混合物,即使当混合物中的聚苯乙烯含量相对较高时,其具有高韧性和优异的透明性,其中上述性质具有 通过避免常规缺点得到。 解决方案:该混合物包含包含乙烯基芳族单体和二烯的线性嵌段共聚物,其具有(I)S 1 -S < SB> 2 和(II)B -S 3 ,其中S 1 表示包含乙烯基芳族单体的嵌段, 数均分子量(Mn)在40,000至100,000g / mol的范围内; S 2 和S 3 分别表示包含数均分子量(Mn)在5,000至20,000g / mol范围内的乙烯基芳族单体的嵌段; 和B 1 和B 2 分别表示一个或多个包含二烯的嵌段或包含二烯和包含数均分子量的乙烯基芳族单体的共聚物嵌段 重量(Mn)在15,000至100,000g / mol的范围内,并且其中嵌段共聚物中的(I)/(II)的比率在0.5至10的范围内。 )2006年,日本特许厅和NCIPI

    MULTIPHASE POLYMER MIXTURES
    4.
    发明申请
    MULTIPHASE POLYMER MIXTURES 审中-公开
    多相聚合物混合物

    公开(公告)号:WO9531501A3

    公开(公告)日:1995-12-21

    申请号:PCT/EP9501753

    申请日:1995-05-09

    Abstract: Multiphase polymer mixtures contain (a) a polymer (A); (b) at least one A-B-C grafted block copolymer (B) made of a block A and a resilient block B that contains a block C as grafted lateral chain, blocks A, B and C differing from each other; and (C) at least one additional polymer (C) different from (A) and (B) and incompatible with polymer (A). Polymer (A) is compatible with block A and incompatible with block C, polymer (C) is compatible with block C and incompatible with block A, the resilient block B has a glass transition temperature below + 20 DEG C and blocks A, B and C are incompatible with each other.

    Abstract translation: 多相聚合物混合物含有(a)聚合物(A); (b)由块A制成的至少一种A-B-C接枝嵌段共聚物(B)和含有作为接枝侧链的嵌段C的弹性嵌段B,彼此不同的嵌段A,B和C; 和(C)至少一种不同于(A)和(B)的另外的聚合物(C)并且与聚合物(A)不相容。 聚合物(A)与嵌段A相容,与嵌段C不相容,聚合物(C)与嵌段C相容,与嵌段A不相容,弹性嵌段B的玻璃化转变温度低于+ 20℃,嵌段A,B和 C不相容。

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