Ternary systems of benzoxazine, epoxy, and phenolic resins
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United States of America Patent
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Mar 27, 2001
Grant Date -
N/A
app pub date -
Nov 10, 1998
filing date -
Nov 10, 1998
priority date (Note) -
Expired
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Abstract
Low viscosity ternary mixtures of benzoxazine, epoxy and phenolic resins have been developed. The blends render homogeneous and void free cured specimen with a wide range of properties. Melt viscosity values as low as 0.3 Pa.s at 100.degree. C. can be achieved. The phenolic resin acts as a cure accelerator to the system, besides its typical function as a hardener of epoxy resin. Glass transition temperatures Tg as high as 170.degree. C. can also be obtained.
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