Foam material comprising polyphenylene sulfide polymer (PPS)
AssigneeSolvay Specialty Polymers USA, LLC
InventorsVijay Gopalakrishnan, Jason Rich, Nan Chen, Kermit S. Kwan
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Abstract
The invention relates to a foam material (FP) comprising a polymer composition (C) comprising at least a polyphenylene sulfide polymer (PPS) and at least one functionalized elastomer (E). The present invention also relates to a process for the manufacture of said foam material and to an article (A) including said foam material (FP), for example a composite material.
Claims15
A foam material (FP) comprising a polymer composition (C), which comprises:
- at least one polyphenylene sulfide polymer (PPS), and
- from 1 to 40 wt. % of at least one functionalized elastomer,
- the wt. % being based on the total weight of (C).
A process for manufacturing a foam material (FP), said process comprising the steps of:
- preparing a foamable polymer composition (FC) which comprises:
- at least one polyphenylene sulfide polymer (PPS),
- from 1 to 40 wt. % of at least one elastomer,
- from 0.01 to 10 wt. % of at least one blowing agent,
- the wt. % being based on the total weight of (C),
- foaming the foamable polymer composition (FC) using a process selected from the group consisting of a pressure cell process, an autoclave process, an extrusion process, direct injection process, blow molding process and bead foaming.
A foamable polymer composition (FC), comprising:
- at least one polyphenylene sulfide polymer (PPS),
- from 1 to 40 wt. % of at least one elastomer, and
- from 0.01 to 10 wt. % of at least one blowing agent,
- the wt. % being based on the total weight of (C).
Dependencies are inferred from the claim text.