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Invention Publication
CN108368323A 苯乙烯属嵌段共聚物组合物 有权

苯乙烯属嵌段共聚物组合物
Abstract:
本公开涉及嵌段共聚物组合物，其包含由通式(A-B)4X表示的、具有40,000-120,000的真实数均分子量的四支化嵌段共聚物(IV)；由通式(A-B)3X表示的、具有30,000-90,000的真实数均分子量的三支化嵌段共聚物(III)；由通式(A-B)2X表示的、具有20,000-60,000的真实数均分子量的二支化嵌段共聚物(II)；和由通式A-B表示的、具有10,000-30,000的真实数均分子量的线性二嵌段共聚物(I)；其中A表示单链烯基芳烃的聚合物嵌段；B表示共轭二烯的聚合物嵌段，其中所述B具有在7,000-20,000g/mol范围内的真实数均分子量；和X表示烷氧基硅烷偶联剂的残基。
Abstract(English):

This disclosure relates to a block copolymer composition comprising a tetra-branched block copolymer (IV) having a true number average molecular weight of 40,000 to 120,000 represented by the generalformula (A-B)4X; a tri-branched block copolymer (III) having a true number average molecular weight of from 30,000 to 90,000 represented by the general formula (A-B)3X; di-branched block copolymer (II) having a true number average molecular weight of from 20,000 to 60,000 represented by the general formula (A-B)2X; and a linear diblock copolymer (I) having a true number average molecular weight offrom 10,000 to 30,000 represented by the general formula A-B; where A represents a polymer block of a mono alkenyl arene; B represents a polymer block of a conjugated diene, wherein the B has a truenumber average molecular weight ranging from 7,000 to 20,000 g/mol; and X represents the residue of an alkoxy silane coupling agent.

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