Patent ID: 11938691
Assignee: JOHNS MANVILLE
Field: Surface technology, coating (Chemistry)
Classification: CPC B | IPC B

Claim 50:
51. A thermoplastic prepreg product comprising:
a thermoplastic prepreg that forms a bottom layer of the thermoplastic prepreg product, the thermoplastic prepreg having a length and a width and the thermoplastic prepreg including:
a fabric, mat, or web of fibers, in which the fibers have an average length of 0.5 inches or greater; and
a thermoplastic material that is impregnated within the fabric, mat, or web of fibers; and

a foam core positioned atop the thermoplastic prepreg and bonded to the thermoplastic prepreg so that the foam core extends across the length and width of the thermoplastic prepreg;
wherein the thermoplastic material is partially impregnated within the fabric, mat, or web of fibers such that the thermoplastic material is impregnated within a first portion of fibers of the fabric, mat, or web of fibers and a second portion of fibers of the fabric, mat, or web of fibers is free of the thermoplastic material, and wherein a foam material of the foam core impregnates the second portion of fibers of the fabric, mat, or web of fibers.