▎ 摘　　要

NOVELTY - Preparing anti-deformation acrylic sheet with thermal insulation function comprises e.g.: (a) preparing acrylic base layer; (b) (1b) preparing immersion solution, soaking the glass fibers and wheat straw fibers in potassium hydroxide solution, and placing in immersion solution to obtain modified glass fibers and modified wheat straw fiber to form fiber layer, and laminating the fiber layer on the acrylic base layer; (c) (1c) sieving the hollow glass beads, then adding sodium hydroxide solution, stirring, heat, refluxing, then washing, adding silane coupling agent and ethanol, n-propylamine, stirring, mixing, then adding polyester diol, toluene diisocyanate, acrylic resin film-forming agent, catalyst, ultrasonically treating, mixing and stirring, heating and reacting to obtain the thermal insulation coating, and (2c) coating the thermal insulation layer coating on the fiber layer, and drying to form thermal insulation layer to obtain final product. USE - The method is useful for anti-deformation acrylic sheet with thermal insulation function ADVANTAGE - The method enables to prepare anti-deformation plate acrylic sheetwith excellent heat insulating and heat-insulating function, and improved mechanical property, anti-bacterial property and heat resistance. DETAILED DESCRIPTION - Preparing anti-deformation acrylic sheet with thermal insulation function comprises: (a) (1a) ultrasonically stirring methyl methacrylate, butyl acrylate, dipropylene adipate, and rare earth stabilizer, placing in reaction kettle, heating to 160-250degrees Celsius to form glue solution, cooling to 60degrees Celsius, adding benzoyl peroxide and stearic acid at -80degrees Celsius, stirring evenly, and heating to 280-290degrees Celsius to obtain reaction slurry, (2a) injecting the reaction slurry into the mold, solidifying at 60-80degrees Celsius for 6-7 hours, then heating to 90-95degrees Celsius for 30-40 minutes, cooling to 18-25degrees Celsius and demolding to obtain acrylic blank, and (3a) polishing the surface of the acrylic blank to obtain acrylic base layer; (b) (1b) mixing and stirring nanocrystalline cellulose, glucose and deionized water, ultrasonically dispersing, then adding silver ammonia solution, stirring at 65-95degrees Celsius for 10-60 minutes, cooling and centrifuging, washing with water until neutral, and then adding graphene oxide, ultrasonically stirring the quantum dots to obtain immersion solution, soaking the glass fibers and wheat straw fibers in potassium hydroxide solution, taken out, washing with water until neutral, and then placing in immersion solution under the action of ultrasound for immersion treatment to obtain modified glass fibers and modified wheat straw fiber, (2b) mixing the modified glass fiber and modified wheat straw fiber to form fiber layer, and laminating the fiber layer on the acrylic base layer; (c) (1c) sieving the hollow glass beads, then adding sodium hydroxide solution to ultrasonic stirring for 30-40 minutes, heating to 80-90degreesC, refluxing and stirring, then washing with deionized water until neutral, adding silane coupling agent and ethanol, n-propylamine, ultrasonically stirring at 50-60degreesC for 30-50 minutes, mixing evenly, then adding polyester diol, toluene diisocyanate, acrylic resin film-forming agent, catalyst, ultrasonically treating at 30-50degrees Celsius, mixing and stirring, heating to 60-80degrees Celsius and reacting for 2-4 hours to obtain the thermal insulation coating, and (2c) coating the thermal insulation layer coating on the fiber layer obtained in step (b), and drying to form thermal insulation layer to obtain final product. An INDEPENDENT CLAIM is included for anti-deformation acrylic board with thermal insulation function.