Nucleating agents for thermoplastic resins

Details Nucleating agents for thermoplastic resins Nucleating agents for thermoplastic resins

1989-10-30

1991-06-11

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 89, 521 93, 521 97, 521121, 521124, 521125, 521130, 521143, 521145, 521146, 521908, 264DIG13, C08J 900

Patent

active

050232797

ABSTRACT:
This invention relates to the use of a special class of sulfonic and phosphonic acids, and salts of the acids, to give improved nucleation for foam extrusion of thermoplastics using either dissolved gas or chemical blowing agents to produce foam.

REFERENCES:
patent: 3993609 (1976-11-01), Kamens et al.
patent: 4328319 (1982-05-01), Osipow et al.
patent: 4394458 (1983-07-01), Wade
patent: 4397948 (1983-08-01), Wade
patent: 4511678 (1985-04-01), Mahnke et al.
patent: 4877815 (1989-10-01), Buckmaster et al.

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