A preparation method of high color fastness water-based acrylate resin color paste, resin color paste and its application and use method
A technology of water-based acrylate and resin color paste, which is applied in the direction of textiles and papermaking, can solve the problems of weak coloring power and uneven coloring of water-based acrylic resin color paste, achieve obvious environmental protection effects, improve the coloring power of weak, The tight effect
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[0066] The present invention also provides a method for preparing the above-mentioned water-based acrylate resin color paste, wherein the water-based acrylate resin color paste is a polymer emulsion with a core-shell structure. Processes and equipment for solution polymerization and radical emulsion polymerization are known to those skilled in the art. The preparation method of aqueous acrylate resin color paste of the present invention comprises the following steps:
[0067] 1) Preparation of core polymer:
[0068] 1-1) mixing the core layer acrylate monomers to obtain a core layer monomer mixture;
[0069] 1-2) Under the condition of 75 ~ 85 ℃, the mixture of nuclear layer monomer and initiator is dropped into the reaction bottle containing ethanol solvent at the same time to undergo copolymerization reaction. After the feeding is completed, keep it warm for 20 ~ 60 minutes, and then add the pigment and emulsifier The mixture is kept warm for 20-60 minutes, and then a cert...
Embodiment 1
[0120] The preparation method of aqueous acrylic resin color paste, comprises the following steps:
[0121] 1) Preparation of core polymer:
[0122] 1-1) Mix 47 parts of styrene monomer, 50 parts of n-butyl acrylate monomer, 1 part of acrylic acid monomer and 2 parts of acetoacetoxyethyl methacrylate monomer to obtain a mixture of core layer monomers ;
[0123] 1-2) At 82°C, add 25 parts of ethanol solvent to the bottom of the kettle, add the above-mentioned core layer monomer mixture and 0.3 parts of ammonium persulfate / 5 parts of deionized water dropwise, and at the same time, a copolymerization reaction occurs, and the dropping time is 2h , Keep warm for 0.5h after feeding.
[0124] 1-3) Under the condition of 82°C, add the pigment emulsifier mixed solution, add dropwise for 0.5h, and continue to react for 0.5h. The pigment emulsifier mixed solution is prepared by mixing 5 parts of pigment iron red Red 101, 1 part of emulsifier SDS and 15 parts of deionized water. Conti...
Embodiment 2
[0130] The preparation method of aqueous acrylic resin color paste, comprises the following steps:
[0131] 1) Preparation of core polymer:
[0132] 1-1) uniformly mix 12 parts of styrene monomer, 85 parts of n-butyl acrylate monomer, 1 part of acrylic acid monomer and 2 parts of N-methylolacrylamide monomer to obtain a mixture of core layer monomers;
[0133] 1-2) Under the condition of 82°C, add 30 parts of ethanol solvent to the bottom of the kettle, add the above-mentioned nuclear layer monomer mixture and 0.3 parts of AIBN / 5 parts of deionized water dropwise, and the copolymerization reaction occurs at the same time, the dropping time is 2h, and the feeding Keep warm for 0.5h after completion.
[0134] 1-3) Under the condition of 82°C, add the pigment emulsifier mixed solution, add dropwise for 0.5h, and continue to react for 0.5h. The pigment emulsifier mixed solution is prepared by mixing 2 parts of pigment iron red Red 101, 0.5 part of emulsifier SDS and 12 parts of ...
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