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US 11,306,185 B2Granted
Method for preparing polymer nanocomposite
AssigneeWuhan China Star Optoelectronics Technology Co., Ltd.
InventorYongxiang Zhou
Life of this patent
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Abstract
A method for preparing a polymer nanocomposite is provided with steps of (1) dissolving polyvinyl chloride; (2) dissolving polyethylene; (3) dissolving a polyvinyl chloride-polyethylene block copolymer; (4) adding a surfactant into a mixed solution obtained from the above-mentioned steps; (5) adding a light permeable material into the mixed solution; (6) adding an enforcement material into the mixed solution; (7) performing an ultrasonic mixing to the mixed solution; and (8) performing a rotary evaporation to the mixed solution.
Claims17
A method for preparing a polymer nanocomposite, comprising steps of:
- (1) dissolving polyvinyl chloride having a molecular weight of 50,000-110,000 g/mol at room temperature in tetrahydrofuran, wherein a mass ratio of polyvinyl chloride to tetrahydrofuran is 1:3 to 1:10;
- (2) dissolving polyethylene with a molecular weight of 50,000-500,000 g/mol at 60° C. to 120° C. in benzene, wherein a mass ratio of polyethylene to benzene is 1:3 to 1:10;
- (3) dissolving a polyvinyl chloride-polyethylene block copolymer with a molecular weight of 10,000-100,000 g/mol at 20° C. to 100° C. in another tetrahydrofuran;
- (4) mixing solutions obtained from the step (1), the step (2), and the step (3) and adding a surfactant into the solutions;
- (5) adding a light permeable material into the solution obtained from the step (4);
- (6) adding an enforcement material into the solution obtained from the step (5);
- (7) performing an ultrasonic treatment to the solution obtained from the step (6) for 1-3 hours at a temperature of 60-100° C.;
- and
- (8) performing a rotary evaporation to the solution obtained from the step (7), wherein a temperature of the rotary evaporation is 80-120° C. so as to form the polymer nanocomposite.
6 more elements
A method for preparing a polymer nanocomposite, comprising steps of:
- (1) dissolving polyvinyl chloride with a molecular weight of 50,000-110,000 g/mol at room temperature in tetrahydrofuran;
- (2) dissolving polyethylene with a molecular weight of 50,000-500,000 g/mol at 60° C. to 120° C. in benzene;
- (3) dissolving a polyvinyl chloride-polyethylene block copolymer with a molecular weight of 10,000-100,000 g/mol at 20° C. to 100° C. in another tetrahydrofuran;
- (4) mixing solutions obtained from the step (1), the step (2), and the step (3) and adding a surfactant into the solutions;
- (5) adding a light permeable material into the solution obtained from the step (4);
- (6) adding an enforcement material into the solution obtained from the step (5);
- (7) performing an ultrasonic treatment to the solution obtained from the step (6) for 1-3 hours at a temperature of 60-100° C.;
- and
- (8) performing a rotary evaporation to the solution obtained from the step (7), wherein a temperature of the rotary evaporation is 80-120° C. so as to form the polymer nanocomposite.
6 more elements
A method for preparing a polymer nanocomposite, comprising steps of:
- (1) mixing polyvinyl chloride having a molecular weight of 50,000-110,000 g/mol, polyethylene having a molecular weight of 50,000-500,000 g/mol, and a polyvinyl chloride-polyethylene block copolymer having a molecular weight of 10,000-100,000 g/mol to form a mixture, and then heating the mixture to a high temperature of 100-120° C. so as to melt the mixture at the high temperature, wherein polyvinyl chloride has a mass fraction of 5-90% in the mixture, and polyethylene has a mass fraction of 5-90% in the mixture;
- (2) adding a light permeable material into the mixture, wherein the light permeable material has a mass fraction of 1-5% in the mixture;
- (3) adding an enforcement material into the mixture, wherein the enforcement material has a mass fraction of 1-5% in the mixture, and the mixture, the light permeable material, and the enforcement material form a composite material;
- (4) adding the composite material into a twin screw extruder for blending extrusion, so as to allow the composite material to be mixed uniformly at 100-130° C. for 5-60 minutes followed by discharging the composite material;
- and
- (5) cooling the composite material to a temperature of −10 to 10° C. after the step (4) for 10 seconds to 2 minutes so as to form the polymer nanocomposite.
3 more elements
Dependencies are inferred from the claim text.