Viscoelastic resin composition or vibration damping material

Details Viscoelastic resin composition or vibration damping material Viscoelastic resin composition or vibration damping material

1991-08-22

1994-02-22

Marquis, Melvyn I.

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

Synthetic resins

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

525440, 525454, C08F 2000

Patent

active

052888134

ABSTRACT:
There is disclosed a viscoelastic resin composition for vibration damping material containing as essential components a polyester resin having a molecular weight of 5,000 to 50,000 and an acid value of 50 to 500 equivalents/10.sup.6 g, at least 80 mol % of the polycarboxylic acid component of which is an aromatic dicarboxylic acid and, at least 30 mol % of the polyol component of which is a compound of the formula (I):

REFERENCES:
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patent: 4370465 (1983-01-01), Whiteside, Jr. et al.
patent: 4740580 (1988-04-01), Merck et al.
patent: 4897450 (1990-01-01), Craun et al.
patent: 4942219 (1990-07-01), Yatsuka et al.
patent: 4981926 (1991-01-01), Pham et al.
Derwent Abstract, Abstract No. 88-130669(19) (May 4, 1988).
Derwent Abstract, Abstract No. 91-269749/37 (Nov. 13, 1991).
Derwent Abstract, Abstract No. 89-352242(48) (Oct. 19, 1989).
M. Yoshihara, Chemical Abstracts, 85(12): 79827m (Sep. 20, 1976).
N. Hata et al., Chemical Abstracts, 83(24): 195392y (Dec. 15, 1975).

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