Polyester or copolyester packaging material for color hot stamping and preparation method thereof

• Main Authors: YAO JINGRONG, LUO JIAJIE, LUO JIANXIN
• Format: Patent
• Language: Chinese; English
• Published: 31.10.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The invention discloses a polyester or copolyester packaging material for color hot stamping and a preparation method of the polyester or copolyester packaging material, and belongs to the technical field of packaging material preparation. 1-9 parts of functional master batch; wherein the polyester is polyethylene glycol terephthalate, and the copolyester is poly (ethylene glycol terephthalate-1, 4-cyclohexadienedimethylene terephthalate); the functional master batch is prepared by sequentially degrading and modifying a waste gold stamping polyester film serving as a raw material and then blending with polyester or copolyester; by adding the functional master batch, the polarity of the resin is improved, the surface friction coefficient of the resin is reduced, the surface smoothness of a product is improved, and the hot stamping property of the polyester package is further improved. 本发明公开一种用于彩色烫印的聚酯或共聚酯包装材料及其制备方法，属于包装材料制备技术领域，按重量分数计包括：聚酯或共聚酯100份；功能母粒1-9份；其中，所述聚酯为聚对苯二甲酸乙二醇酯，所述共聚酯为聚(对苯二甲酸乙二醇酯-1,4-环己二烯二亚甲基对苯二甲酸