Deepening agent composition and preparation method thereof
A technology of a composition and a deepening agent, applied in the field of textile printing and dyeing, can solve the problems of high price, less variety and high cost of the deepening agent, and achieve the effects of reducing the amount of reflected light, good solubility, and outstanding heat resistance
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[0025] In one embodiment, the preparation method of the hyperbranched polysiloxane of the epoxy group comprises the following steps: uniformly mixing distilled water with the siloxane containing the epoxy group, adding the solvent absolute ethanol, and then Slowly add the catalyst dropwise under stirring condition; after the dropwise addition, raise the temperature to 50-60°C, keep the temperature for 4-7h, wash and dry to obtain the epoxy group-containing hyperbranched polysiloxane; the distilled water and the ring-containing The weight ratio of the siloxane of the oxygen group is 1: (0.8-1.2); the weight ratio of the dehydrated alcohol to the siloxane containing the epoxy group is 1: (0.1-0.4); the The weight ratio of the catalyst to the epoxy group-containing siloxane is (0.0001-0.0003): 1; the catalyst is selected from hydrochloric acid, sulfuric acid, p-toluenesulfonic acid, tetramethylammonium hydroxide, tetraethylhydrogen One of ammonium oxide, sodium hydroxide and pota...
Embodiment 1
[0064] The raw materials for the preparation of the darkening agent composition include hyperbranched amino silicone oil and modified chitosan; the weight ratio of the hyperbranched amino silicone oil to the modified chitosan is 1:0.08; the hyperbranched amino silicone oil The preparation raw materials include hyperbranched polysiloxane containing epoxy groups, polyether amines, and lactones, and the hyperbranched polysiloxane of epoxy groups in the preparation raw materials of the hyperbranched amino silicone oil is combined with the The molar ratio of polyetheramine and the lactone is 1:2.4:1.2; the siloxane containing epoxy group described in the preparation method of the hyperbranched polysiloxane of the epoxy group is (3-ring Oxypropoxypropyl) dimethylethoxysilane; the polyetheramine is polyetheramine D400; the lactone is β-butyrolactone and L-ribonic acid-1,4-lactone, so The molar ratio of said β-butyrolactone and said L-ribonic acid-1,4-lactone is 1:0.32; said modified ...
Embodiment 2
[0077] The raw materials for the preparation of the darkening agent composition include hyperbranched amino silicone oil and modified chitosan; the weight ratio of the hyperbranched amino silicone oil to the modified chitosan is 1:0.01; the hyperbranched amino silicone oil The preparation raw materials include hyperbranched polysiloxane containing epoxy groups, polyether amines, and lactones, and the hyperbranched polysiloxane of epoxy groups in the preparation raw materials of the hyperbranched amino silicone oil is combined with the The molar ratio of polyetheramine and the lactone is 1:2.4:1.2; the siloxane containing epoxy group described in the preparation method of the hyperbranched polysiloxane of the epoxy group is (3-ring Oxypropoxypropyl) dimethylethoxysilane; the polyetheramine is polyetheramine D400; the lactone is β-butyrolactone and L-ribonic acid-1,4-lactone, so The molar ratio of said β-butyrolactone and said L-ribonic acid-1,4-lactone is 1:0.32; said modified ...
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