Amino ketone cross-linked polyphenylene oxide
First Claim
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1. A cross-linked phenylene oxide polymer composition comprising the reaction product of a haloacylated phenylene oxide polymer and ammonia, wherein there is amino ketone cross-linkage between phenylene groups represented by the structural formula --COCHRNHCHRCO--, where R is hydrogen, methyl, ethyl or propyl.
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Abstract
Cross-linked polyphenylene oxide compositions comprise the reaction product of haloacylated polyphenylene oxide and ammonia. The polyphenylene oxide chains are cross-linked by amino ketone bonding. Such cross-linked polymers are useful as membranes, for instance gas separation membranes.
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6 Claims
- 1. A cross-linked phenylene oxide polymer composition comprising the reaction product of a haloacylated phenylene oxide polymer and ammonia, wherein there is amino ketone cross-linkage between phenylene groups represented by the structural formula --COCHRNHCHRCO--, where R is hydrogen, methyl, ethyl or propyl.
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6. A cross-linked phenylene oxide polymer composition comprising the reaction product of haloacylated poly(2,6-dimethyl-1,4-phenylene oxide) and ammonia wherein there are from 0.1 to 1.0 acyl halogen atoms per phenylene oxide unit, wherein there is amino ketone cross-linkage between phenylene groups represented by the structural formula --COCHRNHCHRCO--, where R is hydrogen, methyl, ethyl or propyl.
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