Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2007-02-20
2007-02-20
Seidleck, James J. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S285000, C525S199000, C525S223000, C525S227000, C525S276000, C525S326200, C428S001610, C428S041900, C428S3550AC, C428S317100, C428S317300, C428S317700, C428S343000
Reexamination Certificate
active
10678795
ABSTRACT:
The present invention relates to the use of films, formed from an adhesive layer and a layer (A), for coating articles made of a thermoset, the adhesive layer comprising, by weiqht: 0 to 60 parts of PVDE, 10 to 100 parts of functionalized PMMA, 0 to 50 parts of an acrylic elastomer and 0 to 4 parts of a UV absorber, the total making up100parts, the layer (A) comprising, as main constituents, 0 to 100 parts of PVDF per 100 to 0 parts of PMMA, respectively. This film may be manufactured by coextrusion and is then fixed to the thermoset, for example by hot pressing.The invention also relates to an SMC (Sheet Moulding Compound) multilayer structure comprising, in this order: a backing film, a crosslinkable composition (the precursor of the thermoset), the above adhesive layer and the above layer (A).
REFERENCES:
patent: 4364886 (1982-12-01), Strassel
patent: 4581412 (1986-04-01), Ohmori et al.
patent: 4990406 (1991-02-01), Kappler et al.
patent: 5242976 (1993-09-01), Strassel et al.
patent: 6479161 (2002-11-01), Araki et al.
patent: 05-220907 (1993-08-01), None
Bonnet Anthony
Bussi Philippe
Silagy David
Arkema France
Asinovsky Olga
Roland Thomas F.
Seidleck James J.
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