Preparation method of cellulose-based oil-absorption material
An oil-absorbing material and cellulose-based technology, which is applied in the field of preparation of cellulose-based oil-absorbing materials, can solve problems such as harming aquatic organisms, harming human health, affecting workplaces, etc., and achieves high oil absorption and biodegradability. performance effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0022] a. 5.0 g of waste cotton cellulose from a pulp factory with a degree of polymerization of 150 is crushed into blocks, placed in a 250 ml activation bottle, 100 ml of 18% aqueous sodium hydroxide solution is added, and the activation is stopped after refluxing and stirring at a temperature of 100°C for 1 hour. Filter, wash with water until neutral and press for use;
[0023] b. Dissolve 0.5g of polyvinyl alcohol in 50ml of water with stirring at 80°C, add the waste cellulose activated in step a, and stir to raise the temperature to 30°C under nitrogen protection;
[0024] c, add 0.075g potassium persulfate initiator to the system of step b, stir and react for 0.5 hours;
[0025] d. Add 20ml of butyl methacrylate and 1ml of styrene reaction monomer to the system of step c, raise the temperature to 75°C under stirring, stir and react at constant temperature for 3 hours, then add 0.06g of 1,4-butanediol diacrylate Combined agent, continue to stir and stop after 4 hours, an...
Embodiment 2
[0035] a. 5.0 g of wood pulp with a degree of polymerization of 1500 is crushed into blocks, placed in a 250 ml activation bottle, 100 ml of 18% sodium hydroxide aqueous solution is added, refluxed at 100° C. for stirring and activated for 3 hours, then stopped, filtered, and washed with water until Neutralized and pressed for use;
[0036] b. Dissolve 0.5g of polyvinyl alcohol in 100ml of water with stirring at 90°C, add the cellulose wood pulp activated in step a, and stir to raise the temperature to 35°C under nitrogen protection;
[0037] c. Add 0.3 g of benzoyl peroxide initiator to the system of step b, and stir and react for 1 hour;
[0038] d. Add 6g of lauryl methacrylate and 1.5ml of styrene reaction monomer to the system of step b, raise the temperature to 75°C under stirring, and then add 0.22g of divinylbenzene crosslinking agent after stirring at constant temperature for 2 hours. After continuing to stir and react for 4 hours, stop, and use 150ml of water to pre...
Embodiment 3
[0048] a. 5.0 g of cotton pulp with a degree of polymerization of 576 is crushed into blocks, placed in a 250 ml activation bottle, 100 ml of 18% sodium hydroxide aqueous solution is added, and the activation is stopped after reflux at a temperature of 100 ° C for 2 hours, filtered, and washed until Neutralized and pressed for use;
[0049] b. Dissolve 0.25g of polyvinyl alcohol in 100ml of water with stirring at 85°C, add the activated cellulose in step a, and stir to raise the temperature to 37°C under nitrogen protection;
[0050]c, add 0.15g cerium ammonium nitrate initiator to the step b system, stir and react for 0.5 hours;
[0051] d. Add 20ml of butyl acrylate and 1.5ml of styrene reactive monomer to the system of step c, raise the temperature to 75°C under stirring, and stir at constant temperature for 3 hours before adding 0.16g of diallyl phthalate crosslinking agent , continue to stir and stop after 4 hours, and use 150ml of water to precipitate the product;
[0...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com