Sequentially polymerized styrene-isoprene-styrene block copolyme

Details Sequentially polymerized styrene-isoprene-styrene block copolyme Sequentially polymerized styrene-isoprene-styrene block copolyme

1991-07-29

1993-09-07

Seidleck, James J.

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

Synthetic resins

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

525 98, 524270, 524271, C08F29702, C08L 906, C08L 5302

Patent

active

052429849

ABSTRACT:
A predominantly linear sequentially polymerized styrene-isoprene-styrene block copolymer composition having a styrene content of from about 17% to about 25% and a diblock content of less than 4% of linear polymeric blocks for use in adhesives.

REFERENCES:
patent: 3231635 (1966-01-01), Holden et al.
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patent: 4822653 (1989-04-01), Kauffman et al.
patent: 4833193 (1989-05-01), Sieverding
patent: 4868057 (1989-09-01), Himes
patent: 5118762 (1992-06-01), Chin
Promotional Material published by Kuraray Company, Ltd., Dec. 5, 1988.
New Styrene Block Copolymers for Tape and Label Use, by F. Jagisch and J. Tancrede, presented at PSTC Tech. Sem. Proceedings, May 1990.

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