Polyphenylene sulphide-based compositions with improved...

Details Polyphenylene sulphide-based compositions with improved... Polyphenylene sulphide-based compositions with improved...

2005-02-01

2005-02-01

Pezzuto, Helen L. (Department: 1713)

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

Synthetic resins

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

C525S189000

Reexamination Certificate

active

06849697

ABSTRACT:
Polyphenylene sulphide-based compositions essentially containing 60 to 99.5% by weight of polyphenylene sulphide and 0.5 to 40% by weight of a combination (C) containing a compound (C1) chosen from olefinic elastomers containing epoxy groups and a compound (C2) chosen from crosslinking agents containing functional groups which are reactive towards the epoxy groups of the compound (C1) and are chosen from amino, hydroxyl, carboxyl and carboxylic acid anhydride groups. They are obtained by melt-blending polyphenylene sulphide with each of the compounds (C1) and (C2) of the combination (C) successively and in any order.

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Enclosure 3—Japanese allowed Claim 1.
Enclosure 5—Summary table.

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