Synthesis method of quaternized organosilicon modified acrylate emulsion
A quaternized silicone and quaternized modification technology, which is applied in the field of preparation of acrylate emulsions, can solve the problems of poor anti-pilling performance, loss of fabric style, stiff hand feeling, etc., achieve good hand feeling and improve durability Good anti-pilling effect
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Embodiment 1
[0029] (1) Synthesis of amino silicone oil: 71.0g octamethylcyclotetrasiloxane, 12.0g methacryloxypropylmethyldiethoxysilane, 12.0g coupling agent KH-602, 0.6g capped Agent hexamethyldisiloxane, 0.7g catalyst potassium hydroxide and 3.9g deionized water were added to the reaction vessel, heated to 110°C, reacted for 5 hours, and the viscous liquid obtained after cooling was the synthesized amino silicone oil.
[0030] (2) Preparation of quaternized modified amino silicone oil: Add 0.8g bromoethane to the reaction vessel, dissolve in ethanol, heat to 70°C, add 100.0g amino silicone oil dropwise while stirring, and continue the reaction for 5 hours , heated up to 80° C., and reacted for another 2 hours to obtain quaternized modified amino silicone oil.
[0031] (3) Synthesis of quaternized silicone-modified acrylate emulsion: Ammonium persulfate and sodium bisulfite were formulated into aqueous solutions with a weight ratio of 3%, and then an appropriate amount of the two was m...
Embodiment 2
[0034] Use 7.0g methacryloxypropyl methyl diethoxysilane and 6.0g methacryloxypropyl silane coupling agent with double bond in the synthesis of amino silicone oil in Example 1 (1) Trimethoxysilane is replaced, and other raw material consumption and operation steps are identical with embodiment one.
Embodiment 3
[0036] Use 3.0g methacryloxypropyl methyl dimethoxysilane, 4.0g methacryloxypropyl Methyldiethoxysilane and 6.0 g of vinylmethyldiethoxysilane, other raw material consumption and operation steps are the same as in Example 1.
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