Patent ID: 11926717
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Other special machines (Mechanical engineering)
Classification: CPC C | IPC C

Claim 0:
1. A polymer matrix composite comprising:
a porous polymeric network comprising an ultra-high molecular weight polyethylene having a number average molecular weight in a range from of 3×106 to 5×106 g/mol; and
a plurality of thermally insulating particles distributed within the polymeric network structure, wherein not greater than 50 percent of the external surface area of thermally insulating particles is covered by the ultra-high molecular weight polyethylene,
wherein the thermally insulating particles are present in a range from 15 to 99 weight percent, based on the total weight of the thermally insulating particles and the polymer; and wherein the polymer matrix composite has a density not greater than 3 g/cm3.