C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 7/04 (2006.01) C09D 101/12 (2006.01) C09D 101/28 (2006.01) C09D 133/16 (2006.01) C08L 1/28 (2006.01)
Patent
CA 2514091
A coating composition for use as a surface coating for polymer release films for use in at least one of high temperature and high humidity applications, which comprises a solution of at least one hydroxypropyl methylcellulose having hydroxypropyl molar substitution of from 0 to about 0.82 in combination with at least one water-borne fluorochemical additive selected from perfluoralkyl methacrylic acid copolymers.
L'invention concerne une composition de revêtement à utiliser comme revêtement de surface de films antiadhésifs polymère utilisables dans au moins une application à température et humidité élevées. Ladite composition consiste en une solution d'au moins un hydroxypropyle méthylcellulose présentant une substitution molaire hydroxypropyle de 0 à environ 0,82 en combinaison avec au moins un additif fluorochimique en phase aqueuse choisi dans des copolymères perfluoralkyle d'acide méthacrylique.
Lang Theodore John
Ranganathan Sumita Sanjeevi
Szymula Marek Andrej
Blake Cassels & Graydon Llp
Exopack Performance Films Inc.
Liqui-Box Canada Inc.
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