Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1996-10-30
1998-01-27
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
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.
Buckmaster Marlin Dwight
Henry Donald Leonidas
Randa Stuart Karl
E. I. Du Pont de Nemours and Company
Foelak Morton
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