A kind of anti-oxidation emulsion and the anti-oxidation water-based coating varnish prepared by using it
An anti-oxidation, water-based coating technology, applied in the direction of anti-corrosion/anti-oxidant addition, coating, paper coating, etc., can solve problems such as poor performance of water-based varnish, improve the effect of emulsion polymerization, selective reusability, Use safe effects
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Embodiment 1
[0046] An antioxidant emulsion, using neutral pH acrylic resin solution Joncryl LMV 7025 as protective colloid, using mixed monomers, emulsifiers, initiators and deionized water as raw materials, prepared through pre-emulsification, seed reaction and polymerization reaction, It is specifically prepared from raw materials in the following weight percentages:
[0047] Neutral pH acrylic resin solution (Joncryl LMV 7025) 400
[0048] Mixed Monomer 356
[0049] Emulsifier 8
[0050] Initiator 6.6
[0051] Oxidizing agent 0.2
[0052] Reducing agent 0.2
[0053] Deionized water 239.
[0054] The mixed monomer is a mixture composed of styrene, butyl acrylate, isooctyl acrylate and hydroxyethyl methacrylate in a weight ratio of 8:4:23:0.7.
[0055] The emulsifier is alkyl polyoxyethylene ether phosphate, the initiator is ammonium persulfate, the oxidizing agent is tert-butyl hydroperoxide, and the reducing agent is diabolite.
[0056] Preferably, the neutral pH acrylic resin s...
Embodiment 2
[0075] The difference between this embodiment and above-mentioned embodiment 1 is:
[0076] An antioxidant emulsion, using neutral pH acrylic resin solution Joncryl LMV 7085-E as a protective colloid, using mixed monomers, emulsifiers, initiators and deionized water as raw materials, prepared by pre-emulsification, seed reaction, and polymerization into, specifically made from the following raw materials in weight percent:
[0077] Neutral pH acrylic resin solution (Joncryl LMV 7085-E) 400
[0078] Mixed Monomer 346
[0079] Emulsifier 8
[0080] Initiator 6.6
[0081] Oxidizing agent 0.2
[0082] Reducing agent 0.2
[0083] Deionized water 249.
[0084] A kind of preparation method of above-mentioned antioxidant emulsion, comprises the steps:
[0085] (1) Add 400kg of neutral pH acrylic resin solution (Joncryl LMV 7085-E) and 46.6kg of deionized water into the reaction device, and raise the temperature to 80°C;
[0086] (2) Mix 6.6kg ammonium persulfate and 59.4kg dei...
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