Waste paper deinking agent and preparation method thereof
A waste paper deinking and penetrating agent technology, which is applied in the processing of waste paper, chemical paint/ink remover, paper making, etc., can solve the problems of unfavorable pulp grade, unfavorable bleaching treatment, lifting, etc., and achieve less economic benefit and Effects of social and environmental benefits, improvement of effective efficiency, and simplification of technological process
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Embodiment 1
[0014] A waste paper deinking agent, comprising the following raw material components in parts by weight: 20 parts by weight of isophorone diisocyanate, 10 parts by weight of polyethylene glycol, 20 parts by weight of fatty alcohol polyoxyethylene ether penetrating agent, alginic acid 5 parts by weight of sodium, 12 parts by weight of attapulgite, and 50 parts by weight of water.
[0015] Its preparation method includes the following processing steps: (1) Dry the three-necked flask, stirrer, and feeding tube at 120°C for 2 hours, take it out and place it in a desiccator to cool; Add 20 parts by weight of isophorone diisocyanate, heat to 50°C, then add 20 parts by weight of fatty alcohol polyoxyethylene ether penetrating agent dropwise to the macro constant pressure dropping funnel in the instrument, keep it warm for 1.5h under stirring, and then Then add 10 parts by weight of polyethylene glycol dropwise, and after reacting for 2 hours, add 50 parts by weight of water, 5 parts...
Embodiment 2
[0017] A waste paper deinking agent, comprising the following raw material components in parts by weight: 25 parts by weight of isophorone diisocyanate, 13 parts by weight of polyethylene glycol, 25 parts by weight of fatty alcohol polyoxyethylene ether penetrating agent, alginic acid 6 parts by weight of sodium, 15 parts by weight of attapulgite, and 55 parts by weight of water.
[0018] A preparation method of waste paper deinking agent, including the following processing steps: (1) drying a three-necked flask, a stirrer, and a feeding tube at 120°C for 2 hours, taking them out and cooling them in a desiccator; 1. Add 25 parts by weight of isophorone diisocyanate to the top flask of the thermometer, heat to 53°C, then add 25 parts by weight of fatty alcohol polyoxyethylene ether penetrant to the macro constant pressure dropping funnel in the instrument, and stir Keep warm for 2.0 hours, then add 13 parts by weight of polyethylene glycol dropwise, and react for 2.5 hours, the...
Embodiment 3
[0020] A waste paper deinking agent, comprising the following raw materials in parts by weight: 28 parts by weight of isophorone diisocyanate, 13 parts by weight of polyethylene glycol, 27 parts by weight of fatty alcohol polyoxyethylene ether penetrating agent, 7 parts by weight of sodium alginate Parts by weight, attapulgite 16 parts by weight, water 58 parts by weight.
[0021] Its preparation method includes the following processing steps: (1) Dry the three-necked flask, stirrer, and feeding tube at 120°C for 2 hours, take it out and place it in a desiccator to cool; Add 28 parts by weight of isophorone diisocyanate, heat to 55°C, then add 27 parts by weight of fatty alcohol polyoxyethylene ether penetrating agent dropwise to the macro constant pressure dropping funnel in the instrument, and keep it warm for 2.0h under stirring, Then add 13 parts by weight of polyethylene glycol dropwise, and after reacting for 2.5 hours, add 58 parts by weight of water, 7 parts by weight ...
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