Preparation system of ultraviolet light absorption polyester for solar cell backboard

• Main Authors: SUN HUABIN, CHI WEI, WU PEIFU, WU DI, GU YANG
• Format: Patent
• Language: Chinese; English
• Published: 21.06.2024
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; BASIC ELECTRIC ELEMENTS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEMICONDUCTOR DEVICES; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR RELEVANT APPARATUS; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

The utility model discloses a preparation system of ultraviolet light absorption polyester for a solar cell backboard, which comprises surface modification treatment equipment for 2-hydroxy-4-methoxybenzophenone and sodium tripolyphosphate, the outlet of the surface modification treatment equipment is connected with the inlet of an ultraviolet light absorber suspension mixing tank, and the inlet of the ultraviolet light absorber suspension mixing tank is connected with the outlet of the ultraviolet light absorber suspension mixing tank. A first input pipeline for 2-(2 '-hydroxy-5'-tert-octylphenyl)-benzotriazole is further arranged at the inlet of the ultraviolet light absorber suspension mixing tank; an outlet of the ultraviolet absorber suspension mixing tank is connected with an inlet of the esterification tank, an outlet of the esterification tank is connected with an inlet of the polycondensation tank, and an outlet of the polycondensation tank is connected with an inlet of the extrusion granulator. The