Pressure sensitive adhesive compositions

Details Pressure sensitive adhesive compositions Pressure sensitive adhesive compositions

1978-02-17

1980-01-01

Lieberman, Allan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 27BB, 260 27EV, 525 92, 525 93, 525 95, 525 98, 525 99, 525185, 525214, 525219, 525222, C08L 700, C08L 902, C08L 906, C09J 312

Patent

active

041816358

ABSTRACT:
A pressure-sensitive adhesive composition having excellent tackiness and improved thermal resistance comprises (A) a low molecular weight polyisoprene, which may be obtained by polymerizing isoprene monomer with the aid of a lithium-type catalyst, said polyisoprene having a cis-1,4 content of not less than 75%, a viscosity average molecular weight of 8,000 to 77,000 and an Mw/Mn value (Mw: weight average molecular weight; Mn: number average molecular weight) of 1.0 to 2.7 and (B) an elastomer.

REFERENCES:
patent: 3326824 (1967-06-01), Graham
patent: 3516977 (1970-06-01), Reinbold
patent: 4048124 (1977-09-01), Ishikawa et al.
patent: 4060503 (1977-11-01), Feeney et al.
patent: 4096103 (1978-06-01), Lakshmanan et al.

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