Waterproof agent for fabrics and preparation method of waterproof agent
A technology of waterproofing agent and fabric, which is applied in the field of fabric waterproofing agent and its preparation, which can solve the problems of high price and serious ecological problems, and achieve the effect of improving water resistance, no skin allergies, and good waterproof effect
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Embodiment 1
[0026] This embodiment provides a fabric waterproofing agent, and the fabric waterproofing agent comprises the following components in parts by mass:
[0027] Epoxy silicone oil modified vinyl / amino silicone emulsion: 10 parts, carboxyl modified vinyl / amino silicone oil: 25 parts, amino silicone emulsion: 25 parts, hydrogen silicone emulsion: 23 parts, deionized water: 8 parts.
[0028] In the present embodiment, the preparation method of epoxy silicone oil modified vinyl / amino silicon emulsion is as follows:
[0029] (1) Add octamethylcyclotetrasilane, N-β-aminoethyl-γaminopropylmethyldimethoxysilane (KH-602) into a three-necked flask equipped with an electric stirrer, a thermometer, and a reflux condenser The hydrolyzed product and tetravinyltetramethylcyclotetrasiloxane were stirred and mixed evenly, and the temperature was raised to 92°C, and the catalyst tetramethylammonium hydroxide was added, and the temperature was kept at 115°C for 1 hour, and then the low-pressure di...
Embodiment 2
[0040] This embodiment provides a fabric waterproofing agent, and the fabric waterproofing agent comprises the following components in parts by mass:
[0041] Epoxy silicone oil modified vinyl / amino silicone emulsion: 15 parts, carboxyl modified vinyl / amino silicone oil: 22 parts, amino silicone emulsion: 35 parts, hydrogen silicone emulsion: 20 parts, deionized water: 5 parts.
[0042] In the present embodiment, the preparation method of epoxy silicone oil modified vinyl / amino silicon emulsion is as follows:
[0043] (1) Add octamethylcyclotetrasilane, N-β-aminoethyl-γaminopropylmethyldimethoxysilane (KH-602) into a three-necked flask equipped with an electric stirrer, a thermometer, and a reflux condenser The hydrolyzed product and tetravinyltetramethylcyclotetrasiloxane were stirred and mixed evenly, and the temperature was raised to 95°C, then the catalyst tetramethylammonium hydroxide was added, and the temperature was kept at 100°C for 3 hours, and then the low-pressure ...
Embodiment 3
[0054] This embodiment provides a fabric waterproofing agent, and the fabric waterproofing agent comprises the following components in parts by mass:
[0055] Epoxy silicone oil modified vinyl / amino silicone emulsion: 13 parts, carboxyl modified vinyl / amino silicone oil: 20 parts, amino silicone emulsion: 28 parts, hydrogen silicone emulsion: 25 parts, deionized water: 10 parts.
[0056] In the present embodiment, the preparation method of epoxy silicone oil modified vinyl / amino silicon emulsion is as follows:
[0057] (1) Add octamethylcyclotetrasilane, N-β-aminoethyl-γaminopropylmethyldimethoxysilane (KH-602) into a three-necked flask equipped with an electric stirrer, a thermometer, and a reflux condenser The hydrolyzed product and tetravinyltetramethylcyclotetrasiloxane were stirred and mixed evenly, and the temperature was raised to 90°C, and the catalyst tetramethylammonium hydroxide was added, and the temperature was kept at 125°C for 2 hours, and then the low-pressure ...
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