Pressure sensitive adhesive composition

Details Pressure sensitive adhesive composition Pressure sensitive adhesive composition

1979-01-10

1980-05-20

Lieberman, Paul

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

Synthetic resins

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

525 66, 525 68, 525 69, 525 74, 526 56, C08L 5100

Patent

active

042040469

ABSTRACT:
A pressure-sensitive adhesive composition based on liquid rubber, a cross-linking agent therefor and a tackifier, in which the liquid rubber component is a modified low molecular weight polyisoprene which is obtainable by adding 0.03 to 7 mol % of maleic anhydride or a derivative thereof, based on each isoprene monomer unit, to a low molecular weight polyisoprene having a molecular weight in the range of 10,000 to 90,000 is useful in producing a pressure-sensitive adhesive composition having very desirable tackiness, cohesive force and bonding characteristics without use of an organic solvent or with use of only a small amount of the solvent.

REFERENCES:
patent: 3135716 (1964-06-01), Uraneck
patent: 3177190 (1965-04-01), Hsieh
patent: 3208980 (1965-09-01), Gruver
patent: 3462516 (1969-08-01), Smith
patent: 3635861 (1972-01-01), Russell
patent: 3644248 (1972-02-01), Lujik
patent: 3668279 (1972-06-01), Loveless
patent: 3673274 (1972-06-01), Tomalia
patent: 3887527 (1975-06-01), Okamura
patent: 4009228 (1977-02-01), Tazuma
patent: 4080293 (1978-03-01), Yasui
patent: 4108944 (1978-08-01), Tazuma

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