Styrena polymer foam made with .alpha.-polyolefin additives

Details Styrena polymer foam made with .alpha.-polyolefin additives Styrena polymer foam made with .alpha.-polyolefin additives

1982-02-26

1984-06-05

Anderson, Philip E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 53, 264DIG69, 521 79, 521146, B29D 2700

Patent

active

044527519

ABSTRACT:
An improved foamable vinyl aromatic polymer composition and a process for preparing a vinyl aromatic polymer foam having incorporated therein a blend of alpha-olefin polymers are disclosed. The blend of alpha-olefin polymers may be virgin material or a portion of recycle feedstream, the recycle feedstream being prepared from adhesive film faced extruded vinyl aromatic foam laminate scrap. Foam materials having improved solvent resistance, ultraviolet light stability, and adhesive characteristics are prepared from the composition and process.

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