Sprayable lightweight ablative coating

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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Details

521135, 521136, 521178, 521907, 521 841, 5211091, 523179, 523218, 523219, C08J 9236

Patent

active

050648683

ABSTRACT:
An improved lightweight, ablative coating that may be spray applied and cured without the development of appreciable shrinkage cracks. The ablative mixture consists essentially of phenolic microballoons, hollow glass spheres, glass fibers, ground cork, a flexibilized resin binder, and an activated colloidal clay.

REFERENCES:
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patent: 4031059 (1977-06-01), Strauss
patent: 4077921 (1978-03-01), Sharpe et al.
patent: 4772495 (1988-09-01), Headrick et al.
patent: 4837250 (1989-06-01), Headrick et al.
patent: 4839394 (1989-06-01), Champion

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