Patent ID: 11865822
Assignee: ZEPHYROS, INC.
Field: Surface technology, coating (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A composite article, comprising:
i) at least one fibrous layer; and
ii) at least one multiphase thermoplastic epoxy web layer having a thermoplastic epoxy first phase and from greater than 0% by weight up to about 10% by weight of a discrete particulated second phase of a core shell toughening agent dispersed throughout the first phase and being separable from the first phase,
wherein a dispersion of particulates of the toughening agent are dispersed in a suspension medium including bisphenol A, bisphenol F, another diepoxide or any combination thereof with a diepoxide resin and an amine selected from a mono primary amine, a di-secondary amine, or both to form an ingredient mixture; and
wherein the web layer is located in direct contact with the at least one fibrous layer, the at least one thermoplastic epoxy web layer being adapted to at least partially phase separate during a molding and/or curing process for releasing the second phase.