Terminal-modified block copolymer and compositions containing th

Details Terminal-modified block copolymer and compositions containing th Terminal-modified block copolymer and compositions containing th

1992-05-13

1994-07-26

Jagannathan, Vasu S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525250, 525271, 525293, 525314, 523217, 524273, 524274, 524505, C08F29704, C08L 5302

Patent

active

053327845

ABSTRACT:
A terminal-modified block copolymer having the rest of an amino group or imido group-containing terminal-treating agent bonded to the polymer terminal which is obtained by treating the active terminal of a block copolymer comprising conjugated dienes and vinylaromatic hydrocarbon compounds which is obtained by using as the polymerization initiator at least one member selected from alkali metals or organoalkali metals and has a vinylaromatic hydrocarbon content of 5 to 95% by weight and a number average molecular weight of 5,000 to 1,000,000 with at least one terminal-treating agent selected from imide compounds, cyanamide compounds, aziridinyl compounds, amide compounds, or tertiary amino group-containing compounds other than said compounds; and an adhesive composition excellent in tackiness, adhesiveness, and creep resistance characteristic which comprises said block copolymer and a tackifier resin, 9 water-absorbing composition comprising said block copolymer and a highly water-absorbing resin, a thermoplastic resin composition comprising said block copolymer and a thermoplastic resin, and an electroconductive composition comprising said block copolymer and an electroconductive material.

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