Environmentally-friendly alkali resistant scouring agent and preparation method thereof
A scouring agent, alkali-resistant technology, applied in textiles and papermaking, fiber processing, plant fibers, etc., can solve the problems of affecting fishery and human life, less than ideal permeability, complex preparation process, etc., to achieve low production cost and easy operation. , good biodegradability
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Embodiment 1
[0025] The raw materials of the environment-friendly and alkali-resistant scouring agent in this embodiment consist of 2.0 moles of isomeric alcohol ethers, 1.0 moles of carboxylating agents and 1.05 moles of inorganic bases.
[0026] The structural formula of the isomeric alcohol ether in the present embodiment is: R-O(EO)nH, wherein, R represents the isomeric alkyl with 11 carbon atoms, n=7, and the isomeric alkyl in the present invention has the carbon number of 11-14, n is between 7-10, n can be an integer or a decimal.
[0027] The carboxylating agent in the present embodiment is chloroacetic acid. The carboxylating agent in the present invention can also be bromoacetic acid, 3-chloropropionic acid.
[0028] The inorganic base in this embodiment is sodium hydroxide, and the inorganic base in the present invention can also be potassium hydroxide.
[0029] The preparation method of the environment-friendly alkali-resistant scouring agent in this embodiment includes the fo...
Embodiment 2
[0039] The raw material of the environment-friendly alkali-resistant scouring agent in this embodiment is composed of 2.05 moles of isomeric alcohol ethers, 1.0 moles of carboxylating agents and 1.05 moles of inorganic bases.
[0040] The structural formula of the isomeric alcohol ether in the present embodiment is: R-O(EO)nH, wherein, R represents the isomeric alkyl with 11 carbon atoms, n=7.5, and the isomeric alkyl in the present invention has the carbon number of 11-14, n is between 7-10, n can be an integer or a decimal.
[0041] The carboxylating agent in the present embodiment is chloroacetic acid.
[0042] The inorganic base in this embodiment is sodium hydroxide, and the inorganic base in the present invention can also be potassium hydroxide.
[0043] The preparation method of the environment-friendly alkali-resistant scouring agent in this embodiment includes the following steps in sequence.
[0044] (1) Weigh 2.05 mol of isomeric alcohol ether, 1.0 mol of carboxyl...
Embodiment 3
[0053] The raw materials of the environment-friendly and alkali-resistant scouring agent in this embodiment consist of 2.1 moles of isomeric alcohol ethers, 1.0 moles of carboxylating agents and 1.05 moles of inorganic bases.
[0054] The structural formula of the isomeric alcohol ether in the present embodiment is: R-O(EO)nH, wherein, R represents the isomeric alkyl with 12 carbon atoms, n=8, and the isomeric alkyl in the present invention has the carbon number of 11-14, n is between 7-10, n can be an integer or a decimal.
[0055] The carboxylating agent in the present embodiment is chloroacetic acid.
[0056] The inorganic base in this embodiment is sodium hydroxide, and the inorganic base in the present invention can also be potassium hydroxide.
[0057] The preparation method of the environment-friendly alkali-resistant scouring agent in this embodiment includes the following steps in sequence.
[0058] (1) Weigh 2.1 mol of isomeric alcohol ether, 1.0 mol of carboxylati...
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Abstract
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