Three-proofing finishing agent for hard water and preparation method thereof
A three-proof finishing agent, a technology of three-proof finishing, applied in fiber treatment, anti-color pollution/anti-fouling fibers, textiles and papermaking, etc. Three-proof effect, the effect of enhancing stability
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Embodiment 1
[0026] 1) Add 10% perfluoroalkylhexyl acrylate, 15% stearyl acrylate, 0.5% citric acid, 1.2% octadecyltrimethylammonium chloride, 0.8% Pingjiao O-15 , heat up to 50°C, add 71.5% deionized water dropwise, disperse at high speed for 30 minutes, homogenize both sides under 20 kg pressure and 30 kg pressure respectively, and at the same time, high speed shear, fully stir evenly to prepare a pre-emulsion;
[0027] 2) dissolving 0.1% azobisisobutylamidine hydrochloride into a mass fraction of 10% initiator aqueous solution with deionized water, the mass fraction of the initiator aqueous solution accounting for the three anti-finishing agent for hard water is 1 %;
[0028] 3) In a nitrogen atmosphere, mix 25% of the pre-emulsion prepared in the step S1 with 30% of the aqueous initiator solution prepared in the step S2, and keep warm at 80° C. for half an hour to obtain a seed emulsion;
[0029] 4) Under a nitrogen atmosphere, add the remaining pre-emulsion and the remaining aqueous ...
Embodiment 2
[0032] 1) 15% perfluoroalkyl hexyl acrylate, 10% stearyl acrylate, 0.5% hydroxyethylidene diphosphonic acid, 1% octadecyltrimethylammonium chloride, 1% flat Add O-15, heat up to 50°C, add 70.5% deionized water dropwise, disperse for 30 minutes under high-speed shearing, homogenize both sides under 20 kg pressure and 30 kg pressure respectively, and simultaneously high-speed shearing, fully stir, and prepare the prepared Lotion;
[0033] 2) dissolving 0.1% azobisisobutylamidine hydrochloride into a mass fraction of 10% initiator aqueous solution with deionized water, the mass fraction of the initiator aqueous solution accounting for the three anti-finishing agent for hard water is 1 %;
[0034] 3) In a nitrogen atmosphere, mix 25% of the pre-emulsion prepared in the step S1 with 30% of the aqueous initiator solution prepared in the step S2, and keep warm at 80° C. for half an hour to obtain a seed emulsion;
[0035] 4) Under a nitrogen atmosphere, add the remaining pre-emulsi...
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