Dedicated anionic trash scavenger for papermaking and preparation method thereof
An anionic garbage and capture agent technology, which is applied in the field of papermaking chemical additives, can solve the problems of charge density uniformity and stability, and achieve the effects of enhanced water filtration efficiency, convenient operation, and high positive charge density
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Embodiment 1
[0021] An anionic garbage catcher specially used for papermaking, comprising the following components, by weight (kg): 0.5kg of polyacrylamide, 5kg of acryloyloxyethyltrimethylammonium chloride, 4kg of polyethyleneimine, 4kg of hydroxyethylacrylamide 0.5kg.
[0022] A method for preparing an anionic garbage catcher specially used for papermaking, using polyacrylamide, polyethyleneimine, cationic monomer and crosslinking agent for dissolving emulsification, crosslinking reaction, and forming polyacrylamide-polyethyleneimine crosslinked body polymerization Its performance characteristics are polyacrylamide-polyethyleneimine cross-linked polymer compound with large molecular weight, high positive charge density, good stability, and network structure characteristics. The specific steps are as follows:
[0023] 1) Preparation of cationic polyacrylamide solution:
[0024] In a stirred reactor equipped with a cooling device, add 0.5kg of polyacrylamide by weight into deionized water...
Embodiment 2
[0028] An anionic trash catcher for papermaking, comprising the following components, by weight (kg), polyacrylamide 5kg methacryloxypropyltrimethylammonium chloride 0.2kg and allyltrimethylammonium chloride 0.2kg, polyethyleneimine 0.4kg hydroxyethylacrylamide 5kg.
[0029] A method for preparing an anionic garbage catcher specially used for papermaking, using polyacrylamide, polyethyleneimine, cationic monomer and crosslinking agent for dissolving emulsification, crosslinking reaction, and forming polyacrylamide-polyethyleneimine crosslinked body polymerization Its performance characteristics are polyacrylamide-polyethyleneimine cross-linked polymer compound with large molecular weight, high positive charge density, good stability, and network structure characteristics. The specific steps are as follows:
[0030] 1) Preparation of cationic polyacrylamide solution:
[0031] In a stirred reactor equipped with a cooling device, add 5 kg of polyacrylamide into deionized water b...
Embodiment 3
[0035] An anionic garbage catcher specially used for papermaking, comprising the following components, by weight (kg), polyacrylamide 2kg methacryloxypropyltrimethylammonium chloride 2kg polyethyleneimine 3kg, ethoxymethyl Acrylamide 1kg and methylolacrylamide 1kg.
[0036] A method for preparing an anionic garbage catcher specially used for papermaking, using polyacrylamide, polyethyleneimine, cationic monomer and crosslinking agent for dissolving emulsification, crosslinking reaction, and forming polyacrylamide-polyethyleneimine crosslinked body polymerization Its performance characteristics are polyacrylamide-polyethyleneimine cross-linked polymer compound with large molecular weight, high positive charge density, good stability, and network structure characteristics. The specific steps are as follows:
[0037] 1) Preparation of cationic polyacrylamide solution:
[0038]In a stirred reactor equipped with a cooling device, add 2 kg of polyacrylamide into the deionized aqueo...
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