Pressure sensitive adhesive

Details Pressure sensitive adhesive Pressure sensitive adhesive

1976-02-10

1977-09-13

Bleutge, John C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260888, 260889, 260894, 526308, 427207B, C08L 700, C08L 900, C08L 906

Patent

active

040481247

ABSTRACT:
A pressure sensitive adhesive composition comprising (A) 100 parts by weight of a conjugated diene-type rubber, and (B) 30 to 250 parts by weight of a hydrocarbon resin having a softening point of 60.degree. C to 140.degree. C and comprising (a) 45 to 85% by weight of a unit derived from 1,3-pentadiene, (b) 10 to 45% by weight of a unit derived from .alpha.-methylstyrene, (c) 3 to 20% by weight of a unit derived from cyclopentene, (d) 0 to 20% by weight of a unit derived from 1,3-butadiene, and (e) 0 to 5% by weight of a unit derived from a copolymerizable monomer selected from isoprene, cyclopentadiene and dicyclopentadiene.

REFERENCES:
patent: 3509239 (1970-04-01), Tindall
patent: 3554940 (1971-01-01), Arakawa et al.
patent: 3846352 (1974-11-01), Bullard et al.
patent: 3893986 (1975-07-01), Komai et al.
patent: 3960823 (1976-06-01), Komai et al.
patent: 3966690 (1976-06-01), Mathews et al.

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