论文信息 - Low dielectric loss copolymer obtained from 2,6-dimethylphenol and 2-allyl-6-methylphenol via Cu-catalyzed oxidative coupling polymerization

Low dielectric loss copolymer obtained from 2,6-dimethylphenol and 2-allyl-6-methylphenol via Cu-catalyzed oxidative coupling polymerization

A method for synthesizing a novel thermosetting poly(2-allyl-6-methylphenol-co-2,6-dimethylphenol) (Allyl-PPE) with a narrow molecular weight distribution (MWD) has been developed. Allyl-PPE was prepared by a pyridine/copper(I) chloride-catalyzed oxidative coupling polymerization of 2-allyl-6-methylphenol (10 mol %) with 2,6-dimethylphenol (90mol%), using large amounts of pyridine. Allyl-PPE with a narrow MWD showed a lower dielectric constant (e') and dielectric loss tangent (tan 8) than copolymers with a broad MWD.

H. Akahoshi | M. Ueda | Y. Shibasaki | Jun Nunoshige

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