Two-part nucleating agent system

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521 79, 521 81, 521 89, 521 92, 521134, 521142, 521143, 521145, C08J 900, C08J 904

Patent

active

057123187

ABSTRACT:
A foam cell nucleating agent that is a combination of sulfonic or phosphonic acid or salt thereof and inorganic salt containing a polyatomic anion yields improved foaming of thermoplastic resins such as polyolefins and melt-fabricable fluoropolymers.

REFERENCES:
patent: 3072583 (1963-01-01), Randa
patent: 4764538 (1988-08-01), Buckmaster et al.
patent: 4877815 (1989-10-01), Buckmaster
patent: 5023279 (1991-06-01), Buckmaster et al.

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