High-heat-resistant transparent reinforcing material as well as preparation method and application thereof
A reinforced material, high heat-resistant technology, applied in the field of high heat-resistant transparent reinforced material and its preparation, can solve the problems of high cost, poor practicability, low transparency, etc., achieve high heat distortion temperature, strong versatility, and expand application field effect
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[0045] Example 1: Preparation of high heat-resistant transparent reinforced material of the present invention
[0046] (1) Mix the polymethyl methacrylate, styrene-maleic anhydride copolymer, toughening agent, antioxidant and processing aids in proportion to a high-speed mixing mixer or mix them evenly through a metering feeder. In the screw extruder, the glass fiber is added in the sixth zone of the screw through the side feeding system;
[0047] (2) Feed the above mixture into a twin-screw extruder. The temperature of each section of the twin-screw extruder from the feeding port to the die head is preferably 80°C in the first zone, 140°C in the second zone, and three Zone temperature 200℃, four zone temperature 210℃, five zone temperature 220℃, six zone temperature 230℃, seven zone temperature 220℃, eight zone temperature 230℃, nine zone temperature 230℃, head temperature 230℃, screw speed is preferred It is 350rpm, the length to diameter ratio of the twin-screw extruder is 40. ...
Example Embodiment
[0049] Example 2: Preparation of high heat-resistant transparent reinforced material of the present invention
[0050] (1) Mix the polymethyl methacrylate, styrene-maleic anhydride copolymer, toughening agent, antioxidant and processing aids in proportion to a high-speed mixing mixer or mix them evenly through a metering feeder. In the screw extruder, the glass fiber is added in the sixth zone of the screw through the side feeding system;
[0051] (2) Feed the above mixture into a twin-screw extruder. The temperature of each section of the twin-screw extruder from the feeding port to the die head is preferably 80°C in the first zone, 140°C in the second zone, and three Zone temperature 200℃, four zone temperature 210℃, five zone temperature 220℃, six zone temperature 230℃, seven zone temperature 220℃, eight zone temperature 230℃, nine zone temperature 230℃, head temperature 230℃, screw speed is preferred It is 350rpm, the length to diameter ratio of the twin-screw extruder is 40. ...
Example Embodiment
[0053] Example 3: Preparation of high heat-resistant transparent reinforced material of the present invention
[0054] (1) Mix the polymethyl methacrylate, styrene-maleic anhydride copolymer, toughening agent, antioxidant and processing aids in proportion to a high-speed mixing mixer or mix them evenly through a metering feeder. In the screw extruder, the glass fiber is added in the sixth zone of the screw through the side feeding system;
[0055] (2) Feed the above mixture into a twin-screw extruder. The temperature of each section of the twin-screw extruder from the feeding port to the die head is preferably 80°C in the first zone, 140°C in the second zone, and three Zone temperature 200℃, four zone temperature 210℃, five zone temperature 220℃, six zone temperature 230℃, seven zone temperature 220℃, eight zone temperature 230℃, nine zone temperature 230℃, head temperature 230℃, screw speed is preferred It is 350rpm, the length to diameter ratio of the twin-screw extruder is 40. ...
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