High-transparency biodegradable material as well as preparation method and application thereof

• Main Authors: FANG CHONG, CHEN PINGXU, MAI KAIJIN, CHEN YEZHONG, CHEN BAODENG, FU XUEJUN, LU CHANGLI, YE NANBIAO, ZENG XIANGBIN, WANG GUOLIN, HUANG XIANBO, OUYANG CHUNPING
• Format: Patent
• Language: Chinese; English
• Published: 06.08.2024
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED; FISHING; FORESTRY; HORTICULTURE; HUMAN NECESSITIES; HUNTING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRAPPING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WATERING

The invention provides a high-transparency biodegradable material as well as a preparation method and application thereof, and the high-transparency biodegradable material comprises the following components in parts by weight: 90-99.9 parts of biodegradable polyester and 0.01-5 parts of talcum powder; the particle size of the talcum powder is 0.4 to 2.5 [mu] m; the mass content of the magnesium element in the talcum powder is 14.5 to 20.5 percent. The high-transparency biodegradable material disclosed by the invention is high in light transmittance, low in haze and relatively good in strength and toughness, is used for preparing an agricultural mulching film, and can be used for effectively improving a temperature increasing effect on soil. 本发明提供了一种高透亮可生物降解材料及其制备方法和应用，以重量份计，所述高透亮可生物降解材料包括90～99.9份可生物降解聚酯和0.01～5份滑石粉；所述滑石粉的粒径为0.4～2.5μm；所述滑石粉中镁元素的质量含量为14.5～20.5％。本发明中，所述高透亮可生物降解材料透光率高、雾度低且具有较好的强度和韧性，用于制备农用地膜，能够有效提高对土壤的增温效果。