Thermoset volatile monomer molding compositions
First Claim
Patent Images
1. A composition comprising:
- (a) from about 10 to about 25% by weight of a liquid polymerizable material including at least one volatile monomer reactive material;
(b) at least one viscosity builder;
(c) at least one primary thermal initiator having a primary thermal initiator ten-hour half-life temperature; and
(d) at least one secondary thermal initiator having a secondary thermal initiator ten-hour half-life temperature at least about 5°
C. greater than the primary thermal initiator ten-hour half-life temperature;
wherein at least about 0.05% by weight is one or more crosslinking agents.
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Abstract
A molding composition including reactive high-volatility monomeric groups, such as acrylics, at least one primary thermal initiator and at least one secondary thermal initiator is described. Molding processs using molding compositions including reactive high-volatility monomeric groups are also described.
42 Citations
29 Claims
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1. A composition comprising:
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(a) from about 10 to about 25% by weight of a liquid polymerizable material including at least one volatile monomer reactive material;
(b) at least one viscosity builder;
(c) at least one primary thermal initiator having a primary thermal initiator ten-hour half-life temperature; and
(d) at least one secondary thermal initiator having a secondary thermal initiator ten-hour half-life temperature at least about 5°
C. greater than the primary thermal initiator ten-hour half-life temperature;
wherein at least about 0.05% by weight is one or more crosslinking agents. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A molded article made from a molding composition comprising (a) from about 10 to about 25% by weight of a liquid polymerizable material including at least one volatile monomer reactive material, (b) at least one primary thermal initiator having a primary thermal initiator ten-hour half-life temperature, (c) at least one secondary thermal initiator having a secondary thermal initiator ten-hour half-life temperature of at least about 5°
- C. greater than the primary thermal initiator ten-hour half-life temperature, wherein at least about 0.05% by weight is one or more crosslinking agents.
- View Dependent Claims (28, 29)
Specification