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Multifunctional acrylic ester emulsion

An acrylate and multi-functional technology, applied in the field of emulsion, can solve the problem of single function, etc., and achieve the effect of high tensile strength, good waterproof effect, and small shrinkage of mortar

Active Publication Date: 2009-03-18
SHANGHAI SUNRISE POLYMER MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The acrylic emulsion in the prior art has a single function, either suitable for thermal insulation mortar, or meets the requirements of polymer cement waterproof coating, and the emulsion that satisfies the performance of thermal insulation mortar and polymer cement waterproof coating at the same time has no

Method used

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  • Multifunctional acrylic ester emulsion

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Preparation of pre-emulsion: 192 grams of deionized water, 9.62 grams of nonylphenol polyoxyethylene ether (NP-10), 12.04 grams of dodecyl diphenyl ether disulfonic acid sodium salt (DOWFAX2A1), 5.42 grams of vinyl sulfonate Sodium sulfonate (SVS), 10.85 grams of allyl hydroxypropyl sodium sulfonate (COPS-1) were stirred and dissolved in the pre-emulsification tank, and then 2.17 grams of vinyltriethoxysilane (A-151), After adding 5.42 grams of N-methylolacrylamide, 8.14 grams of acrylic acid, 357.97 grams of butyl acrylate, 116.61 grams of styrene, and 54.24 grams of methyl methacrylate, continue stirring for 30 minutes to obtain a pre-emulsion.

[0028] Preparation of initiator solution: 81.36 grams of deionized water, 2.44 grams of ammonium persulfate and 2.44 grams of sodium bicarbonate were stirred and dissolved to obtain an initiator solution.

[0029] 130.71 grams of deionized water, 0.37 grams of ammonium persulfate, 0.51 grams of nonylphenol polyoxyethylene eth...

Embodiment 2

[0031] Preparation of pre-emulsion: 192 grams of deionized water, 9.62 grams of alkyl alcohol polyether type nonionic (A-980), 12.04 grams of ethoxylated ammonium sulfate (CO-436), 5.42 grams of sodium vinyl sulfonate (SVS), 10.85 grams of allyl hydroxypropyl sodium sulfonate (COPS-1) was stirred and dissolved in the pre-emulsification tank, and then 2.17 grams of A-151, 5.42 grams of acrylamide, 8.14 grams of methacrylic acid, After the addition of 357.97 grams of butyl acrylate and 170.85 grams of styrene was completed, the stirring was continued for 30 minutes to obtain a pre-emulsion.

[0032] Prepare the initiator solution: 81.36 grams of deionized water, 2.44 grams of ammonium persulfate, and 2.44 grams of sodium bicarbonate were stirred and dissolved to obtain the initiator solution.

[0033] Add 130.71 grams of deionized water, 0.37 grams of ammonium persulfate, 0.51 grams of alkyl alcohol polyether type nonionic (A-980), 0.64 grams of ethoxylated phenol ether ammonium...

Embodiment 3

[0035] Preparation of pre-emulsion: 192 grams of deionized water, 9.62 grams of alkyl alcohol polyether type nonionic (A-980), 12.04 grams of ethoxylated ammonium sulfate (CO-436), 5.42 grams of sodium vinyl sulfonate (SVS), 10.85 grams of allyl hydroxypropyl sodium sulfonate (COPS-1) was stirred and dissolved in the pre-emulsification tank, and then 2.17 grams of 3-aminopropyltriethoxysilane (KH-550) was added under stirring , 5.42 grams of N-methylolacrylamide, 8.14 grams of methacrylic acid, 78.85 grams of ethyl acrylate, 300 grams of isooctyl acrylate, and 150 grams of methyl methacrylate. After the addition, continue to stir for 30 minutes to obtain pre-emulsified liquid.

[0036]Prepare the initiator solution: 81.36 grams of deionized water, 2.44 grams of ammonium persulfate, and 2.44 grams of sodium bicarbonate were stirred and dissolved to obtain the initiator solution.

[0037] Add 130.71 grams of deionized water, 0.37 grams of ammonium persulfate, 0.51 grams of alky...

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Abstract

The invention discloses a multifunctional acrylic ester emulsion, which is prepared from deionized water, an initiator, an emulsifier, acrylic acid alkyl ester of C4 to C12, alkyl methacrylate of C4-C12, an aryl unsaturated monomer, an unsaturated monomer of C3 to C4, an acrylamide functional monomer, a silane coupler, and other components which are subjected to mechanical stirring to disperse olefin unsaturated monomers into water, and carry out free radical polymerization under the action of the initiator to obtain the emulsion. The emulsion in thermal insulation mortar has the functions of reinforcing tenacity and strength, remarkably improves the bonding strength of the mortar, increases the compressive strength / rupture strength ratio of hardened mortar, and brings about the stable quality of walling materials, improves construction efficiency and reduces mortar contraction. The emulsion which is applied to polymer cement waterproof paint has good water proofing function with great tensile strength and high extension coefficient.

Description

technical field [0001] The invention relates to an emulsion, in particular a multifunctional acrylate emulsion, which can be added to thermal insulation mortar to improve the bonding strength between the thermal insulation mortar and the base material and the toughness, water resistance, and weather resistance of the thermal insulation mortar . The emulsion is used in polymer cement waterproof coatings, and a good balance between strength and elongation can be obtained, so that the coatings have good waterproof performance. Background technique [0002] Our country has promulgated many relevant regulations, implementing the building energy-saving 65% standard, and requiring all urban buildings to adopt external wall insulation technology. Order No. 143 of the Ministry of Construction "Regulations on the Administration of Energy Conservation of Civil Buildings" Encourage the development of new energy-saving wall and roof insulation, heat insulation technology and materials f...

Claims

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Application Information

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IPC IPC(8): C08F220/18C08F2/24C04B24/26
Inventor 郑柏存傅乐峰王小兵
Owner SHANGHAI SUNRISE POLYMER MATERIAL CO LTD
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