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2活性阻隔性薄膜及片材的动向适用于阻隔氧气的活性包装材料如表4所示。将还原铁/氯化钠,亚硫酸钠,抗坏血酸等作为反应物,参混到树脂中,或者MXD6尼龙/鈷盐,双键系聚合物/鈷盐,含环己烯侧链的聚合物/鈷盐等等的参混物都可以采用。还原铁可用于托盘(无菌米饭)、蒸煮袋(粥,汤料等)、杯子(咖啡、汤)。硫酸钠和抗坏血酸用于饮料瓶的瓶盖衬里。双键聚合物/鈷盐类阻隔材料,用于PET系多层瓶,作为低卡路里蛋黄酱的容器使用。此外,正在开发EVOH与双键聚合物/鈷盐系组合的活性阻隔材料。
2 Active Barrier Film and Sheet Trend Active packaging materials for oxygen barrier are shown in Table 4 below. Reduced iron / sodium chloride, sodium sulfite, ascorbic acid and the like are used as a reactant in the resin or MXD6 nylon / cobalt salt, double bond polymer / cobalt salt, cyclohexene side chain containing polymer / cobalt salt And so on the mixture can be used. Reduced iron can be used for trays (sterile rice), cooking bags (porridge, soup, etc.), cups (coffee, soup). Sodium sulfate and ascorbic acid are used in the bottle liner of beverage bottles. Double bond polymer / cobalt salt barrier material for PET multi-layer bottles, used as a container for low-calorie mayonnaise. In addition, active barrier materials in combination with double bond polymer / cobalt salt systems are being developed.