Process for the dealkylation of t-butyl and t-amyl ethers on...

C - Chemistry – Metallurgy – 07 – C

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C07C 43/10 (2006.01) C08G 65/00 (2006.01)

Patent

CA 1064967

Abstract of the Disclosure A process for removing t-butyl or t-amyl groups from a polymer by contacting the polymer with a sulfonic acid under essentially anhydrous conditions. The process is adapted especially to homopolymers and copolymers of t-butyl or t-amyl glycidyl ethers. By maintaining the water concentration at 1 weight percent about 99% of the t-butyl groups are removed.

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