Novel biodegradable-material thin film and preparation method thereof

• Main Author: YANG HAIQUAN
• Format: Patent
• Language: Chinese; English
• Published: 13.07.2018
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

The invention discloses a novel biodegradable-material thin film and a preparation method thereof. The novel biodegradable-material thin film is prepared from the following raw materials in percent byweight: 20-50% of material A, 40-60% of material B, 20-30% of PBAT (Polybutyleneadipate-co-terephthalate) thermoplastic biodegradable plastic, 5-8% of VINNEX 2505 polyvinyl acetate and 3-8% of VINNEX2504 polyvinyl acetate, wherein the material A is prepared from the following raw materials in percent by weight: 40-60% of PBAT thermoplastic biodegradable plastic, 30-50% of PLA (Polylactic Acid) and 8-15% of inorganic filler; the material B is prepared from the following raw materials in percent by weight: 40-60% of PBAT thermoplastic biodegradable plastic and 40-60% of starch masterbatch, wherein the starch masterbatch is prepared from the following raw materials in percent by weight: 60-70% of starch, 1-3% of coupling agent, 1-3% of paraffin and glycerinum. 本发明公开种新型生物降解材料薄膜及其制备方法，该新型生物降解材料薄膜包括以下按重量份配比的原料：A料20-50％