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US 5,179,130 AGranted
Poly(aryl ether) foam produced with aqueous blowing agent
AssigneeThe Dow Chemical Company
InventorsDavid G. Bland, Joseph J. Conte
Life of this patent
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Abstract
The present invention is directed to foams produced from poly(aryl ethers) and mixtures of poly(aryl ethers) with various non-poly(aryl ether) polymers. These foams are produced using aqueous blowing agents comprising water as the only blowing agent, or mixtures of water with another blowing agent material.
Claims10
A flowable, expandable polymer gel suitable for expansion into foam form;
- comprising:
- a poly (aryl ether) in melt form and a blowing agent comprising water.
Dependencies are inferred from the claim text.