Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1972-06-12
1978-06-27
Anderson, Harold D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 37R, 260 4247, 260875, 526 90, 526172, 526285, C08G 6500, C08G 6700, C08F 3800
Patent
active
040974600
ABSTRACT:
The invention relates to arylacetylene polymers and thermoset resins prepared therefrom. The preferred thermoset resins are prepared by copolymerizing a polyacetylenically unsaturated prepolymer with about 2 to 70% of a monomeric acetylenically unsaturated aromatic compound that has a melting point below about 185.degree. C. and a boiling point above about 250.degree. C. The polyacetylenically unsaturated prepolymer is a polymer of at least one polyacetylenically substituted aromatic compound such as a diethynylbenzene, which prepolymer has a number average molecular weight of about 900 to 12,000 and contains about 5 to 20% by weight of acetylenic groups. Typical monomeric acetylenic aromatic compounds that are copolymerized with the prepolymer are diphenylacetylene and diphenylbutadiyne.
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Anderson Harold D.
Hercules Incorporated
Whitson John W.
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