Preparation method of paper reinforcing agent
A paper strengthening agent and initiator technology, applied in the field of papermaking auxiliaries, can solve the problems such as the inability to fully improve the paper strength effect, the deterioration of the performance, the storage stability, the inability to obtain the dispersion liquid, etc., and achieve easy control, reduced apparent viscosity, good fluidity
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Example Embodiment
[0027] Example 1
[0028] In a four-necked flask equipped with a thermometer and a stirrer, under the protection of nitrogen, add 60.0 grams of deionized water and 10.0 grams of sodium epoxycarboxymethyl cellulose with a mass concentration of 15%. After fully dissolving, add 18.0 grams of ammonium sulfate , 0.3 grams of ethylenediaminetetraacetic acid, 10 grams of acrylamide, 3.0 grams of methacryloxyethyl trimethylammonium chloride, 1.5 grams of acrylic acid and 0.1 grams of N, N-methylene bisacrylamide, and then add 1.5 g mass concentration of 1% potassium persulfate and 1.0 g mass concentration of 1% sodium bisulfite, heated to 55°C, reacted for 60 min to obtain seed polymer;
[0029] Add 300.0 grams of deionized water, 40.0 grams of acrylamide, 12.0 grams of methacryloxyethyl trimethylammonium chloride, 6.0 grams of acrylic acid, and 0.3 grams of N,N-methylene to the above polymerized seed polymer solution. Bisacrylamide and 7.5 g of 2,2-azo-bis(2-amidinopropane) hydrochloride...
Example Embodiment
[0030] Example 2
[0031] In a four-necked flask equipped with a thermometer and a stirrer, under the protection of nitrogen, add 60.0 grams of deionized water, 13.0 grams of sodium epoxycarboxymethyl cellulose with a mass concentration of 15%, and add 14.5 grams of ammonium sulfate after fully dissolving , 0.2g citric acid, 10g acrylamide, 3.0g methacryloyloxyethyl trimethylammonium chloride, 1.5g acrylic acid and 0.1g N,N-methylenebisacrylamide, then add 1.5g mass concentration 1% potassium persulfate and 1.0g mass concentration of 1% sodium bisulfite, heated to 50℃, reacted for 70 min to obtain seed polymer;
[0032] Add 300.0 grams of deionized water, 40.0 grams of acrylamide, 12.0 grams of methacryloxyethyl trimethylammonium chloride, 6.0 grams of acrylic acid, and 0.3 grams of N,N-methylene to the above polymerized seed polymer solution. Bisacrylamide and 7.5 g of 2,2-azo-bis(2-amidinopropane) hydrochloride with a mass concentration of 1%, and then the temperature is raised ...
Example Embodiment
[0033] Example 3
[0034] In a four-necked flask equipped with a thermometer and a stirrer, under the protection of nitrogen, add 50.0 grams of deionized water, 12.0 grams of sodium epimethylcellulose with a mass concentration of 15%, and add 15.0 grams of ammonium chloride after fully dissolving , 0.3g ethylenediaminetetraacetic acid, 10g acrylamide, 3.0g dimethylaminoethyl methacrylate, 1.5g itaconic acid and 0.1g N,N-methylenebisacrylamide, and then add 1.5g mass The concentration is 1% potassium persulfate and 1.0g mass concentration of 1% sodium bisulfite, the temperature is raised to 45°C, and the reaction is 90 min to obtain the seed polymer;
[0035] Add 210.0 grams of deionized water, 40.0 grams of acrylamide, 12.0 grams of dimethylaminoethyl methacrylate, 6.0 grams of itaconic acid, and 0.3 grams of N,N-methylene bispropylene to the above polymerized seed polymer solution. Amide and 7.5g of 1% 2,2-azo-bis(2-amidinopropane) hydrochloride with a mass concentration of 7.5g,...
PUM
Property | Measurement | Unit |
---|---|---|
Viscosity | aaaaa | aaaaa |
Viscosity | aaaaa | aaaaa |
Viscosity | aaaaa | aaaaa |
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.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap