Novel crosslinked polymer having shape memorizing property, meth

Details Novel crosslinked polymer having shape memorizing property, meth Novel crosslinked polymer having shape memorizing property, meth

1989-12-28

1991-08-27

Lipman, Bernard

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

Synthetic resins

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

5253595, 525369, 525370, 525373, 525377, 5253325, 5253327, C08F 818

Patent

active

050433962

ABSTRACT:
A crosslinked polymer having shape memorizing property, said crosslinked polymer being obtained by thermally reversibly crosslinking a base polymer composed of a blocked copolymer of an aromatic vinyl monomer and a conjugated diene monomer, the base polymer having a glass transition temperature of 70.degree. to 140.degree. C., and the glass transition temperature being higher than the dissociation temperature of the thermally reversible crosslinkage contained in the crosslinkage polymer.

REFERENCES:
patent: 4330597 (1982-05-01), Heins et al.

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