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US 2019/0169370 A1Published application
Benzoxazine composition
Assignee3M Innovative Properties Company
InventorsGregory P. Sorenson, Ilya Gorodisher, Robert J. Webb
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Abstract
The disclosure provides a catalyst for use with a benzoxazine resins which imparts accelerated curing at reduced temperatures. The catalyst is selected from elemental halogen or onium polyhalide compounds.
Claims20
A polymerizable composition comprising:
- a) a benzoxazine, and
- b) an elemental halogen or an onium polyhalide catalyst, wherein the onium polyhalide is of the formula
- Q+X(2n+1)−,
- where 1≤n≤4,
- Q is onium group, selected from ammonium, sulfonium and phosphonium;
- and
- each X is a halide, and when the composition is heated, produces a poly(benzoxazine.
4 more elements
Dependencies are inferred from the claim text.