Multilayers of fluoropolymers with chlorinated polyvinylchloride
AssigneeSolvay Solexis S.p.A.
InventorsJulio Abusleme, Claudia Manzoni, Giambattista Besana
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Abstract
Multilayers comprising at least one laminate formed in sequence by the following layers: A) one thermoprocessable fluoropolymer layer comprising units deriving from vinylidenfluoride (VDF); B) one polyamide layer blended with 0.01%-5% by weight of a diamine or one polyamide layer having at least 20 μeq/g of —NH2 groups, or one thermoprocessable polymer layer containing (—COO—) units and/or —CN groups; and C) one layer based on chlorinated polyvinylchloride (CPVC) containing from 58% to 75% by weight of chlorine.
Claims20
1 to 11. (canceled)
Multilayers comprising at least one laminate formed in sequence by the following layers:
- A) one thermoprocessable fluoropolymer layer comprising units deriving from vinylidenfluoride (VDF);
- B) one polyamide layer blended with 0.01% to 5% by weight of a diamine;
- and
- C) one layer based on chlorinated polyvinylchloride (CPVC) that contains from 58% to 75% by weight of chlorine.
Molded articles obtained from multilayers comprising at least one laminate formed in sequence by the following layers:
- A) one thermoprocessable fluoropolymer layer comprising units deriving from vinylidenfluoride (VDF);
- B) one polyamide layer blended with 0.01% to 5% by weight of a diamine;
- and
- C) one layer based on chlorinated polyvinylchloride (CPVC) containing from 58% to 75% by weight of chlorine.
Dependencies are inferred from the claim text.