Package of solid material of carboxylic anhydride-modified...

B - Operations – Transporting – 65 – D

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B65D 81/24 (2006.01) C08F 255/02 (2006.01) C08L 23/28 (2006.01) C08L 51/06 (2006.01) C09D 151/06 (2006.01)

Patent

CA 2392883

A package of a carboxylic-acid-anhydride-modified solid chlorinated polyolefin for use as a binder resin for coating compositions or primers. It is intended to protect or beautifully package the polyolefin resin. It is effective in inhibiting the resin from suffering a change in material properties through long-term storage. The package comprises a carboxylic-acid-anhydride-modified solid chlorinated polyolefin and a film with which the polyolefin is covered, the film having a water vapor permeability of 1.5 g/m2 24 hr or lower as measured in accordance with ASTM D895 ("Standard Test Method Water Vapor Permeability of Packages") (measurement conditions: temperature, 37.8.plusmn.1.1~C; relative humidity, 90.plusmn.2%).

L'invention porte sur un emballage protecteur solide de polyoléfine chlorée modifiée par de l'anhydride d'acide carboxylique, servant de résine-liant pour compositions de revêtements ou d'apprêts, le but étant de protéger ou d'emballer esthétiquement une résine de polyoléfine pour empêcher la résine de subir des modifications de ses propriétés lors de stockages de longue durée. Ledit emballage comprend la polyoléfine chlorée modifiée par de l'anhydride d'acide carboxylique formant un film recouvrant la polyoléfine. Ledit film présente une perméabilité à la vapeur de 1,5 g/m?2¿ par 24 h ou moins mesurée (selon la norme ASTM D895) à une température de 37,8· +/-1,1· et une humidité relative de 90+/-2 %.

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