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RECYCLABLE RETORT POUCH AND RECYCLABLE RETORT POLYESTER FILM THEREOF
RECYCLABLE RETORT POUCH AND RECYCLABLE RETORT POLYESTER FILM THEREOF
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机译:可回收蒸煮袋及其可回收蒸煮聚酯薄膜
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摘要
A recyclable retort pouch and a recyclable retort polyester film thereof are provided. The recyclable retort polyester film includes a heat seal layer and at least one polyester layer. The heat seal layer is composed of isophthalic acid, neopentyl glycol, polybutylene terephthalate, 1,4-cyclohexanedimethanol, and polyethylene terephthalate-1,4-cyclohexane dimethanol ester. The polyester layer is formed on the heat seal layer, and is composed of a polyester composition. The polyester composition includes a polyester resin made from recycled PET bottle flakes processed by physical or chemical methods and the polyester resin has an inherent viscosity between 0.62 dl/g and 1.0 dl/g. The recyclable retort pouch is made of the recyclable retort polyester film.
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