C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/359, 400/630
C08G 65/48 (2006.01) C08L 71/12 (2006.01) C08L 67/00 (2006.01) C08L 69/00 (2006.01)
Patent
CA 1278145
MELT-CAPPED POLYPHENYLENE ETHERS AND METHOD OF PREPARATION ABSTRACT OF THE DISCLOSURE Polyphenylene ethers are stabilized by capping by reaction in the melt with an ester of salicylic acid, anthranilic acid or a substituted derivative thereof; esters of salicylic acid, and especially salicylic carbonate and linear polysalicylates, are preferred. The capping reaction typically takes place at a temperature in the range of about 225-325°C, employing about 5-12% by weight of the ester based on polyphenylene ether.
561110
Montgomery White Dwain
Socha Laura Ann
Company General Electric
Oldham And Wilson
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