Preparing method of high-temperature levelling agent
A technology of high-temperature leveling agent and catalyst, which is applied in dyeing, textiles and papermaking, etc. It can solve the problems of poor leveling effect and refractory degradation of leveling agent, and achieve good dispersion and leveling, high activity and good dispersibility. Effect
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preparation example Construction
[0033] A preparation method of a high-temperature leveling agent, the preparation method comprising the steps of:
[0034] (1) In parts by weight, take 150-160 parts of mixed solvent, 38-52 parts of mixed monomer, 16-22 parts of pentaerythritol, 8-11 parts of modifier, 5-9 parts of cyclodextrin, 1-3 Part catalyst, first put the mixed solvent, mixed monomer, pentaerythritol and cyclodextrin into the reaction kettle, use nitrogen protection, and preheat at 60°C for 40min;
[0035] (2) After the preheating is over, add modifier and catalyst, stir and mix, raise the temperature to 110°C, stir and react for 8 hours, cool to room temperature, discharge, collect the discharge, and remove the mixed solvent by rotary evaporation. Collect the residue, mix the residue and acetone at a mass ratio of 1:3-5, let it stand for 2 hours, filter, collect the filter residue, and set aside;
[0036] (3) Put glycerin, catalyst A, cardanol and epichlorohydrin in a container at a mass ratio of 4 to ...
Embodiment 1
[0039] The mixed solvent is made by mixing xylene and methanol solution at a volume ratio of 7:6.
[0040] The mixed monomer is made by mixing diisopropanolamine and dimethylolpropionic acid at a mass ratio of 1:8.
[0041] The modifier is mixed with succinic anhydride and lysine at a mass ratio of 11:4.
[0042] The catalyst is a mixture of platinum chloride and p-toluenesulfonic acid at a mass ratio of 7:3.
[0043] Catalyst A is prepared by mixing benzyltriethylammonium chloride and acetic acid in a mass ratio of 6:5.
[0044] The auxiliary material is mixed with sulfamic acid and urea at a mass ratio of 9:2.
[0045] The auxiliary agent is formed by mixing palmitic acid and polyethylene glycol in a mass ratio of 3:6.
[0046] The accelerator is glacial acetic acid.
[0047] The surfactant is alkylphenol polyoxyethylene ether.
[0048] A preparation method of a high-temperature leveling agent, the preparation method comprising the steps of:
[0049](1) In parts by wei...
Embodiment 2
[0054] The mixed solvent is made by mixing xylene and methanol solution at a volume ratio of 7:5.
[0055] The mixed monomer is made by mixing diisopropanolamine and dimethylolpropionic acid in a mass ratio of 1:7.
[0056] The modifier is mixed with succinic anhydride and lysine at a mass ratio of 9:4.
[0057] The catalyst is a mixture of platinum chloride and p-toluenesulfonic acid at a mass ratio of 6:3.
[0058] Catalyst A is prepared by mixing benzyltriethylammonium chloride and acetic acid in a mass ratio of 6:4.
[0059] The auxiliary material is mixed with sulfamic acid and urea at a mass ratio of 9:1.5.
[0060] The auxiliary agent is formed by mixing palmitic acid and polyethylene glycol at a mass ratio of 3:5.
[0061] The accelerator is glacial acetic acid.
[0062] The surfactant is alkylphenol polyoxyethylene ether.
[0063] A preparation method of a high-temperature leveling agent, the preparation method comprising the steps of:
[0064] (1) In parts by w...
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