Low density polymers and methods of making and using same

Details Low density polymers and methods of making and using same Low density polymers and methods of making and using same

1997-09-22

2000-02-01

Gorr, Rachel

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521122, 521123, 521130, 521134, 521135, 521137, 521138, 524492, 524779, 524789, 523218, 523219, 525100, 525107, 525123, 525165, C08G 1806

Patent

active

060203870

ABSTRACT:
A low density polymer composition including a polymer component capable of being cured, a low density filler in an amount sufficient to reduce the density of the polymer and a thixotrope present in a sufficient amount to impart a sufficient viscosity and to inhibit separation of the filler from the polymer until after the polymer is cured. The resulting lightweight, filled polymer composition is a strong electrical insulator, has low shrinkage, a low coefficient of thermal expansion, low cured density and a soft filler that does not harden the polymer. Methods of preparing and using the low density polymer compositions are also disclosed.

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