Pressure sensitive adhesives containing light color, low softeni

Details Pressure sensitive adhesives containing light color, low softeni Pressure sensitive adhesives containing light color, low softeni

1987-06-30

1989-08-01

Lieberman, Allan M.

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...

524515, 524524, 524525, 524526, 525232, 525236, 525237, 525290, C08L21700, C08L 9304

Patent

active

048534323

ABSTRACT:
An adhesive comprising a copolymer and an optionally hydrogenated light color petroleum hydrocarbon resin including an aromatic hydrocarbon component useful for tackifying block copolymers is described which has a softening point of about 0.degree. C. to about 40.degree. C., a number average molecular weight (Mn) of from 350 to 600 and a molecular weight distribution (Mw/Mn) of from 1:1 to about 2.0.

REFERENCES:
patent: 3813357 (1974-05-01), St. Cyr
patent: 3853826 (1974-12-01), St. Cyr
patent: 4046838 (1977-09-01), Feeney
patent: 4098983 (1978-07-01), Osborn
patent: 4391961 (1983-07-01), Small et al.
patent: 4514554 (1985-04-01), Hughes

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