Preparation method of acrylamide/methyl methacrylate grafted bagasse xylan copolymer
A technology of methyl methacrylate and graft copolymers, which is applied in the field of preparation of acrylamide/methyl methacrylate grafted bagasse xylan copolymers, can solve the problems of limited performance, high cost, etc., and achieve low consumption , conditions are easy to control, and the process is simple
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0022] 1. Add 6g of bagasse xylan and 30mL of solvent into the reactor for stirring, use 0.5mol / L hydrochloric acid to control the pH of the system to 7, and stir at room temperature for 0.5 hours;
[0023] 2. Add 0.3g of initiator cerium ammonium nitrate, then add 0.18g of N,N-methylenebisacrylamide, and dissolve 6g of acrylamide in 20mL of distilled water for later use;
[0024] 3. Put the above-mentioned acrylamide solution and 4.5mL methyl methacrylate solution in a constant pressure dropping funnel, add dropwise to the reaction system, and react at 50°C for 6 hours;
[0025] 4. Suction filtration while hot to obtain primary crude product; the crude product was repeatedly washed twice with 90% ethanol aqueous solution, placed in a vacuum drying oven, dried at 60°C for 12 hours, and then allowed to dry naturally in the oven Cooling to get thick graft copolymer;
[0026] 5. Extract the crude graft copolymer with analytically pure acetone solution by Soxhlet extraction to ob...
Embodiment 2
[0028] 1. Take 10g of bagasse xylan and 40mL of solvent into the reactor for stirring, use 0.5mol / L hydrochloric acid to control the pH of the system to 8, and stir at room temperature for 0.5 hours;
[0029] 2. Add 0.5g of initiator cerium ammonium nitrate, then add 0.3g of N,N-methylenebisacrylamide, and dissolve 5g of acrylamide in 20mL of distilled water for later use;
[0030] 3. Put the above-mentioned acrylamide solution and 7.5mL methyl methacrylate solution in a constant pressure dropping funnel, add dropwise to the reaction system, and react at 65°C for 9 hours;
[0031] 4. Suction filtration while hot to obtain primary crude product; the crude product was repeatedly washed with 90% ethanol aqueous solution for 3 times, then placed in a vacuum drying oven, dried at 60°C for 12 hours, and then allowed to dry naturally in the furnace Cooling to get thick graft copolymer;
[0032] 5. Extract the crude graft copolymer with analytically pure acetone solution by Soxhlet e...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More