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US 12,258,445 B2Granted
Curable compositions
AssigneeAGC Multi Material America, Inc.
InventorsLaibao Zhang, Kevin Bivona, Yoji Nakajima, Tomoaki Nakanishi, Gregory Roy Almen, Wei Qiang
Life of this patent
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Abstract
This disclosure relates to a curable composition that includes at least one poly(arylene ether) copolymer, at least one phosphorus-containing flame retardant, and at least one radical initiator. This disclosure also relates to using the composition to form a film, a laminate, a prepreg, and/or a circuit board.
Claims36
A curable composition, comprising:
- at least one poly(arylene ether) polymer comprising a monomer unit of one of formulas (5)-(9):
- in which R1 is H, C1-C10 alkyl, or aryl;
- each of R2, R3, and R6, independently, is C1-C10 alkyl;
- each of R4, R5, R7, and R8 is H or C1-C10 alkyl;
- p is an integer from 0 to 4;
- q is an integer from 0 to 4;
- and r is an integer from 0 to 4;
- at least one phosphorus-containing flame retardant;
- and
- at least one radical initiator.
7 more elements
Dependencies are inferred from the claim text.