Polyurethane-based cooking-resistant composite film as well as preparation method and application thereof
CN120461981APending Publication Date: 2025-08-12GUANGDONG XINTIANLI HLDG CO LTD
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Patent Information
- Application Number
- CN202510866778.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-26
- Publication Date
- 2025-08-12
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Figure CN120461981A_ABST
Abstract
The invention belongs to the technical field of composite films, and particularly relates to a polyurethane-based cooking-resistant composite film as well as a preparation method and application thereof. The polyurethane-based cooking-resistant composite film sequentially comprises a PET (polyethylene terephthalate) film layer, a first polyurethane adhesive layer, an aluminum foil layer, a second polyurethane adhesive layer, a PA (polyamide) film layer, a third polyurethane adhesive layer and a PP (polypropylene) film layer, the PET film is prepared from the following raw materials: polyethylene glycol terephthalate, a copolymer of ethylene and methacrylic acid, nano PET resin and an antioxidant. The polyurethane-based cooking-resistant composite film provided by the invention has good barrier property, peel strength, high-temperature cooking resistance and heat sealability.
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Citation Information
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