Multilayers of polyamides and CPVC

Details Multilayers of polyamides and CPVC Multilayers of polyamides and CPVC

2005-04-12

2005-04-12

Hightower, P. Hampton (Department: 1711)

Stock material or miscellaneous articles

Composite

Of polyamide

C428S411100, C428S421000, C428S422000, C428S475800, C428S476300

Reexamination Certificate

active

06878453

ABSTRACT:
A multilayer comprising at least one layer A) of at least one thermoprocessable polymer containing at least 5% by weight of chlorinated polyvinyl chloride (CPVC) and one layer B) based on polyamides having an amount of —NH2end groups in the range 20-300 μeq/g.

REFERENCES:
patent: 4183777 (1980-01-01), Summers et al.
patent: 4543378 (1985-09-01), Suhara et al.
patent: 5480721 (1996-01-01), Pozzoli et al.
patent: 0 866 079 (1998-09-01), None
patent: 1 038 914 (2000-09-01), None
patent: 1 101 994 (2001-05-01), None
JP 06055703 (Mitsubishi Plastics Ind. Ltd.), Mar. 1, 1994 (Abstract).

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