Toughened polyethylene terephthalate
AssigneeTerrasimco Inc.
InventorsWalter John Simmons, Walter Neal Simmons
Life of this patent
Estimating the term…
Abstract
A composite material is disclosed having a matrix formed of polyethylene terephthalate and cement particles distributed in the matrix. The cement particles may be Portland cement. About 50 wt % or less of the composite material is cement particles. The cement particles have an average particle size of no more than about 100 μm.
Claims10
Composite material having an injection molded matrix comprising at least about 50 wt % washed, post-consumer recycled, melted polyethylene terephthalate flakes and about 1 wt % to about 15 wt % cement particles distributed in the matrix in order to absorb water which is present on said flakes.
Dependencies are inferred from the claim text.