Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1995-11-20
1997-10-07
Clark, W. Robinson H.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 369, 428 3692, 525179, 525183, 525184, 525185, 525186, 525190, 525227, 525240, 138137, 164176, 524514, C08L 2308, C08L 3310, C08L 3312, C08L 7702
Patent
active
056745796
ABSTRACT:
The invention relates to a translucent and flexible polyamide-based composition, which is easy to process, in particular by extrusion, comprising: (A) from 50 weight-% to 95 weight-% 1) of at least one polyamide resin (I), 2) of various additives (IV) such as stabilizers, mould-release agents, lubricants, crystallization accelerators, pigments, organic and/or inorganic fillers or dyes, or antioxidizing agents, 3) optionally of at least one plasticizing agent (V), and (B) from 5 weight-% to 50 weight-%: (a) of at least one ethylene-alkyl (meth)acrylate-unsaturated dicarboxylic acid anhydride terpolymer (II), (b) of at least one ethylene-alkyl (meth)acrylate copolymer (III) with 1/30.ltoreq.(b)/(a).ltoreq.2. In accordance with the present invention, the flexural modulus of the composition, measured according to ISO standard 178, is less than or equal to 2/3 of the flexural modulus of the PA resin (I) alone and is strictly less than 750 MPa. This composition has good extrudability and can be used to make many articles, in particular pipes.
REFERENCES:
patent: 4554320 (1985-11-01), Reimann et al.
patent: 5070145 (1991-12-01), Guerdoux
Bouilloux Alain
Guibouin Christelle
Ladouce Beatrice
Montanari Thibaut
Perret Patrice
Clark W. Robinson H.
Elf Atochem S.A.
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