Composite cellular coextrusion with recycled components

Details Composite cellular coextrusion with recycled components Composite cellular coextrusion with recycled components

1995-04-27

1997-02-11

Choi, Kathleen

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283199, 428218, 428212, 428178, 428187, B32B 518

Patent

active

056019122

ABSTRACT:
The invention comprises a thermoplastic coextruded material comprised at least partially of recycled polystyrene. The material has a blown cellular core and a thin, high-impact, cap. In a preferred embodiment the material is used as crown molding and is comprised of a core having about 15% high-impact polystyrene and a cap of high-impact polystyrene. In the preferred embodiment the core comprises 20-85% recycled polystyrene.

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patent: 5157886 (1992-10-01), Azzar et al.
patent: 5199237 (1993-04-01), Juntunen
patent: 5200432 (1993-04-01), Bopp et al.
patent: 5260110 (1993-11-01), Nichols
patent: 5330596 (1994-07-01), Gusavage et al.

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