Process for cross-linking thermoplastic polyolefin elastomer...

Details Process for cross-linking thermoplastic polyolefin elastomer... Process for cross-linking thermoplastic polyolefin elastomer...

2002-05-29

2009-12-15

Rábago, Roberto (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S333800, C525S375000, C525S385000, C525S387000, C525S332500

Reexamination Certificate

active

07632894

ABSTRACT:
A process for cross-linking an elastomer-containing thermoplastic polyolefin composition comprising the steps of preparing a masterbatch by mixing and/or masticating an elastomeric polyolefin with a cross-linking co-agent, and optionally an additive, in the presence of a thermoplastic polyolefin; then, cooling the masterbatch obtained in the preceding step at least up to the solidification of the thermoplastic polyolefin; and finally mixing and/or masticating the masterbatch, after the cooling step, with a cross-linking agent and optionally an additive.

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