Acrylic elastomer latex for building sealing paste, and preparation method thereof
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A technology of elastomer latex and sealing paste, applied in the field of latex, to achieve the effect of optimal elasticity and comprehensive mechanical properties
Inactive Publication Date: 2019-04-30
CHINA BLUESTAR CHENGRAND CO LTD
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Abstract
Description
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[0003] The present invention aims to solve the problem of latex for sealing paste in the prior art, and provides a kind of acrylic elastomer latex for building sealing paste, so that the water resistance, aging resistance, stability and high adhesion of the prepared building sealing paste can be obtained. Greatly improved, and has better elasticity
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Embodiment 1
[0026] A kind of acrylic elastomer latex for building sealing paste, comprising following raw materials in parts by weight:
[0027] Lauryl methacrylate 40 parts
[0028] Myristyl methacrylate 25 parts
[0029] 5 parts methyl methacrylate
[0030] 2 parts of methylolacrylamide post-crosslinker
[0031] Tetraethylene glycol dimethacrylate 0.2 parts
[0032] OP-10 emulsifier 5 parts
[0033] Sodium Lauryl Sulfate Emulsifier 3 parts
[0034] Sodium bicarbonate initiator 0.2 parts
[0035] Potassium persulfate initiator 0.2 parts
[0036] 50 parts of deionized water.
Embodiment 2
[0038] A kind of acrylic elastomer latex for building sealing paste, comprising following raw materials in parts by weight:
[0039] Lauryl methacrylate 60 parts
[0040] Myristyl methacrylate 30 parts
[0041] Methyl methacrylate 10 parts
[0042] Methylolacrylamide post-crosslinker 4 parts
[0043] Tetraethylene glycol dimethacrylate 0.5 parts
[0044] OP-10 emulsifier 10 parts
[0045] Sodium dodecyl sulfate emulsifier 5 parts
[0046] Sodium bicarbonate initiator 0.5 part
[0047] Potassium persulfate initiator 0.5 parts
[0048] 100 parts of deionized water.
Embodiment 3
[0050] A kind of acrylic elastomer latex for building sealing paste, comprising following raw materials in parts by weight:
[0051] Lauryl methacrylate 50 parts
[0052] Myristyl methacrylate 27.5 parts
[0053] 7.5 parts of methyl methacrylate
[0054] 3 parts of methylolacrylamide post-crosslinker
[0055] Tetraethylene glycol dimethacrylate 0.35 parts
[0056] OP-10 emulsifier 7.5 parts
[0057] Sodium lauryl sulfate emulsifier 4 parts
[0058] Sodium bicarbonate initiator 0.35 parts
[0059] Potassium persulfate initiator 0.35 parts
[0060] 75 parts of deionized water.
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Abstract
The invention relates to an acrylic elastomer latex for building sealing paste, and a preparation method thereof, and belongs to the technical field of latexes, wherein the acrylic elastomer latex comprises: dodecyl methacrylate, tetradecyl methacrylate, methyl methacrylate, a methylol acrylamide post-cross-linking agent, tetraglycol dimethacrylate, an OP-10 emulsifier, a sodium laurylsulfonate emulsifier, a sodium bicarbonate initiator, a potassium persulfate initiator, and deionized water. The acrylate-based elastomer latex resin prepared from the acrylic elastomer latex of the present invention has good elasticity and excellent comprehensive mechanical properties.
Description
technical field [0001] The invention relates to a latex and a preparation method thereof. More specifically, the invention relates to an acrylic elastomer latex for building sealing paste and a preparation method thereof, belonging to the technical field of latex. Background technique [0002] Acrylate emulsion is a product obtained by emulsion copolymerization of acrylate or methacrylate as the main polymerizable monomer with other vinyl monomers. At present, in China, building sealants are mainly prepared by blending polyvinyl chloride latex and (meth)acrylate polymer emulsion or styrene-(meth)acrylate copolymer emulsion as matrix resin. Because these copolymers contain styrene structural units with poor aging performance, or contain vinyl chloride copolymers with less than ideal water resistance and aging resistance. Therefore, it is used as a base material for the preparation of building sealant pastes that require higher water resistance, aging resistance, stability an...
Claims
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Application Information
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