Styrene copolymer emulsion for dip coating of glass fibers and preparation method and application of styrene copolymer emulsion
A technology of copolymer emulsion and glass fiber, which is applied in the field of glass fiber dip-coated styrene copolymer emulsion and its preparation, can solve the problems of glass fiber alkali resistance, etc., and achieve good alkali resistance, improved effect, and stability Good results
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Embodiment 1
[0022] 1. Preparation of raw materials:
[0023] 1) Mixed monomer preparation: mix 42 kg of styrene, 6 kg of acrylonitrile, and 12 kg of butyl acrylate to obtain a mixed monomer;
[0024] 2) Initiator preparation: dissolving 240 g of potassium persulfate in 8 kg of water to obtain an aqueous solution of potassium persulfate, dissolving 240 g of sodium bisulfite in 8 kg of water to obtain an aqueous solution of sodium bisulfite;
[0025] 3) Mixed emulsifier preparation: Mix 600g of 2A-1 emulsifier and COPS-11.0kg and add water to 10kg to make a mixed emulsifier;
[0026] 2. Seed aggregation:
[0027] Add 105kg of water to the reaction kettle, add 50g of sodium dodecylsulfonate, 100g of OP-10, and 30g of ammonium acetate, seal the kettle, replace the gas three times, vacuumize, inhale the mixed monomer with a formula amount of 3%, cold disperse 0.5 h, heat up to 47°C, pump in the prepared potassium persulfate aqueous solution and sodium bisulfite aqueous solution, the addition...
Embodiment 2
[0033] 1. Preparation of raw materials:
[0034] 1) Mixed monomer preparation: Mix 56 kg of styrene, 8 kg of acrylonitrile, and 16 kg of butyl acrylate to obtain a mixed monomer;
[0035] 2) Initiator preparation: 260 g of potassium persulfate was dissolved in 8 kg of water to obtain an aqueous solution of potassium persulfate, and 260 g of sodium bisulfite was dissolved in 8 kg of water to obtain an aqueous solution of sodium bisulfite;
[0036] 3) Mixed emulsifier preparation: Mix 700g of 2A-1 emulsifier and COPS-11.0kg and add water to 10kg to make a mixed emulsifier;
[0037] 2. Seed aggregation:
[0038] Add 85kg of water to the reaction kettle, add 60g of sodium dodecylsulfonate, 120g of OP-10, and 30g of ammonium acetate, seal the kettle, replace the gas three times, vacuumize, inhale the mixed monomer with a formula amount of 3%, and cold disperse 0.5 h, heat up to 47°C, pump in the prepared potassium persulfate aqueous solution and sodium bisulfite aqueous solution,...
Embodiment 3
[0042] 1. Preparation of raw materials:
[0043] 1) Mixed monomer preparation: mix 42 kg of styrene, 6 kg of acrylonitrile, and 12 kg of methyl acrylate to obtain a mixed monomer;
[0044] 2) Initiator preparation: dissolving 240 g of potassium persulfate in 8 kg of water to obtain an aqueous solution of potassium persulfate, dissolving 240 g of sodium bisulfite in 8 kg of water to obtain an aqueous solution of sodium bisulfite;
[0045] 3) Mixed emulsifier preparation: Mix 600g of 2A-1 emulsifier and COPS-11.0kg and add water to 10kg to make a mixed emulsifier;
[0046] 2. Seed aggregation:
[0047] Add 105kg of water to the reaction kettle, add 50g of sodium dodecylsulfonate, 100g of OP-10, and 30g of ammonium acetate, seal the kettle, replace the gas three times, vacuumize, inhale the mixed monomer with a formula amount of 3%, cold disperse 0.5 h, heat up to 47°C, pump in the prepared potassium persulfate aqueous solution and sodium bisulfite aqueous solution, the additio...
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