Pressure sensitive adhesive composition and pressure sensitive a

Details Pressure sensitive adhesive composition and pressure sensitive a Pressure sensitive adhesive composition and pressure sensitive a

1992-04-14

1994-02-15

Lipman, Bernard

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524271, C09J15302

Patent

active

052867811

ABSTRACT:
Disclosed herein is a pressure sensitive adhesive composition comprising 100 parts by weight of at least one block copolymer selected from the group consisting of block copolymers represented by the general formula A-B-A and block copolymers represented by the general formula A-B, wherein A means a styrene polymer block and B denotes a butadiene polymer block, an isoprene polymer block or a polymer block obtained by hydrogenating these polymers, 100-200 parts by weight of a tackifying resin and 25-200 parts by weight of a polyolefin. Pressure sensitive adhesive tapes or sheets comprising, as a pressure sensitive adhesive layer, the pressure sensitive adhesive composition are also disclosed.

REFERENCES:
patent: 3686107 (1972-08-01), Russell
patent: 4663220 (1987-05-01), Wisneski et al.
patent: 4789699 (1988-12-01), Kieffer et al.
patent: 4918130 (1990-04-01), Kano et al.
patent: 4994508 (1991-02-01), Shiraki et al.
Handbook of Adhesives, 3rd Ed., Edited by Irving Skeist, Van Nostrand Reinhold, New York, 1989, pp. 239-252.
Japanese Industrial Standards for Testing Methods of Pressure Sensitive Adhesive Tapes and Sheets, JIS Z 0237-8.

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