Styrene-acrylic emulsion, preparation method and application thereof
A technology of styrene-acrylic emulsion and acrylic acid, which is applied in the direction of textiles and papermaking, coating, paper coating, etc. It can solve the problems of no instructions, poor paper surface strength, and no peeling when exposed to water, so as to improve the phenomenon of hair loss and powder loss , Enhance the effect of surface strength
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0026] Synthesis of styrene-acrylic emulsion:
[0027] a) Mix 25g of n-butyl acrylate, 70g of styrene, 2g of acrylic acid and 0.1g of n-dodecyl mercaptan to prepare a mixed monomer for later use.
[0028] b) Add 97.1g of the mixed monomer in step a) to 0.63g of allyl polyoxyethylene ether ammonium sulfate, 0.2g of potassium persulfate, 3g of 2-methyl-2-acrylate-2-hydroxyethyl phosphate and 35.7g Dissolve deionized water into an aqueous solution and stir at high speed for 30 minutes. spare.
[0029] c) Add the remaining mixed monomers in step a) to an aqueous solution of 0.07g allyl polyoxyethylene ether ammonium sulfate, 0.3g potassium persulfate and 15.3g deionized water, and react at 70°C for 40 minutes, Then dropwise add the mixed solution in step b) for 5 hours. Incubate at 70°C for 2 hours. Cool down to 25° C., neutralize with 4 g of ammonium hydroxide aqueous solution with a solid content of 10% by weight, and continue stirring for 10 minutes. Filter through a 100-m...
Embodiment 2
[0032] Synthesis of styrene-acrylic emulsion:
[0033] a) Mix 68g of ethyl acrylate, 30g of methyl styrene, 1g of methacrylic acid and 0.5g of tertiary dodecylmercaptan to prepare mixed monomers. spare.
[0034] b) Add 1.8g of allyl polyoxyethylene ether, 4.05g of sodium persulfate, 1g of N-acryloylthiourea and 65.7g of deionized water to dissolve the mixed monomers in step 79.6ga) into an aqueous solution, and stir at high speed for 30 minutes. spare.
[0035] c) Add the mixed monomers in step 19.9ga) into an aqueous solution of 2.7g allyl polyoxyethylene ether, 0.45g sodium persulfate and 98.55g deionized water, react at 95°C for 10 minutes, and then add b ) step of the mixed solution for 1 hour. Incubate at 70°C for 1 hour. Cool down to 25°C, neutralize with 20 g of aqueous sodium hydroxide solution with a solid content of 40% by weight, and continue stirring for 10 minutes. Filter through a 100-mesh sieve to obtain a styrene-acrylic emulsion.
[0036] Solid content o...
Embodiment 3
[0038] Synthesis of styrene-acrylic emulsion:
[0039] a) Mix 20g of methyl methacrylate, 27g of 2-ethylhexyl acrylate, 50g of methyl styrene, 1.5g of methacrylic acid and 0.3g of n-butyl mercaptan to make a mixed monomer. spare.
[0040] b) Add 1.5g of vinyl polyoxyethylene ether, 1.5g of ammonium persulfate, 1.5g of N-methylolacrylamide and 50.15g of deionized water to dissolve the mixed monomers in step 88.92ga) into an aqueous solution, and stir at high speed for 30 minutes . spare.
[0041] c) Add the mixed monomers in step 9.88ga) to an aqueous solution of 1.5g vinyl polyoxyethylene ether, 1.5g ammonium persulfate and 50.15g deionized water, react at 80°C for 20 minutes, and then add b) dropwise Step mixture for 3 hours. Incubate at 70°C for 2 hours. Cool down to 25°C, neutralize with 10 g of aqueous potassium hydroxide solution with a solid content of 20% by weight, and continue stirring for 10 minutes. Filter through a 100-mesh sieve to obtain a styrene-acrylic e...
PUM
| Property | Measurement | Unit |
|---|---|---|
| The average particle size | aaaaa | aaaaa |
| The average particle size | aaaaa | aaaaa |
| The average particle size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More