Cyclic polyphenylene ether ether ketone composition and method for producing the same
AssigneeToray Industries, Inc.
InventorsKohei Yamashita, Shunsuke Horiuchi, Koji Yamauchi
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AssigneeToray Industries, Inc.
InventorsKohei Yamashita, Shunsuke Horiuchi, Koji Yamauchi
Estimating the term…
A cyclic poly (phenylene ether ether ketone) composition includes not less than 60% by weight of a cyclic poly (phenylene ether ether ketone) represented by the following Formula (I), which is characterized in that the cyclic poly (phenylene ether ether ketone) is a mixture of cyclic poly (phenylene ether ether ketone)s having different repeating numbers (m) and the composition has a melting point of not higher than 270° C.; and a method of producing a poly (phenylene ether ether ketone) characterized by heat-polymerizing the cyclic poly (phenylene ether ether ketone) composition: where m represents an integer of 2 to 40.
A cyclic poly (phenylene ether ether ketone) composition, which comprises not less than 60% by weight of a cyclic poly (phenylene ether ether ketone) represented by the following Formula (I):
Dependencies are inferred from the claim text.