Functional master batch capable of improving water resistance of biological state mulching film and application of functional master batch

• Main Authors: ZHAO YANCHAO, WANG YUHANG, SHEN ZIMING, DONG DONG, ZHANG NING, TANG SHIQIAN, WANG HEYI
• Format: Patent
• Language: Chinese; English
• Published: 16.07.2024
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AGRICULTURE; ANIMAL HUSBANDRY; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED; FISHING; FORESTRY; GENERAL PROCESSES OF COMPOUNDING; 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; WORKING-UP

The invention belongs to the technical field of high polymer materials, and relates to a functional master batch capable of improving the water resistance of a biodegradable mulching film and application of the functional master batch. The functional master batch provided by the invention comprises the following components in parts by weight: 60-95 parts of biodegradable polyester; 5-30 parts of a hydrophobic auxiliary agent; 0.1 to 1 part of an antioxidant; and 0-10 parts of a filler. According to the invention, the biodegradable polyester is taken as a carrier, the blown biodegradable mulching film is added into the functional master batch prepared by adding the functional additive according to a certain proportion, the hydrophobic additive can form a hydrophobic layer on the surface of the film in the blowing process, and the affinity of water molecules and the film is reduced, so that the water blocking performance of the mulching film is greatly improved; the water retention and soil moisture conservatio