C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
402/250, 260/632
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.
263595
Sexton Arthur R.
Wolfe David L.
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