Substantially amorphous polyolefins useful as pressure-sensitive

Details Substantially amorphous polyolefins useful as pressure-sensitive Substantially amorphous polyolefins useful as pressure-sensitive

1977-08-29

1979-03-13

Hamrock, William F.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 22, 526 29, 528481, C08F 800, C08F 850, C08F 842

Patent

active

041438582

ABSTRACT:
The invention relates to a process for the treatment of substantially amorphous polyolefins to provide permanently tacky, low viscosity materials which have useful pressure-sensitive adhesive properties. These permanently tacky amorphous polyolefin homo- and copolymers, as well as blends of such amorphous polyolefins with crystalline polyolefins containing up to 20 weight percent crystalline polyolefin, are novel pressure-sensitive adhesives.

REFERENCES:
patent: 3081288 (1963-03-01), Edmonds
patent: 3341621 (1967-09-01), Hagemeyer et al.
patent: 3562788 (1971-02-01), Weemes et al.
patent: 3629373 (1971-12-01), Embree

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