Emulsified asphalt waterproof coating and preparation method thereof

A waterproof coating and emulsified asphalt technology, applied in asphalt coatings, coatings, etc., can solve the problems of poor waterproof performance of waterproof materials, easy soft swelling, matrix peeling, etc., to achieve good elasticity and weather resistance, not easy to crack and warp , Strong bonding performance

Inactive Publication Date: 2018-01-30
北京中建瑞特新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The waterproof material disclosed in the above patents forms a three-dimensional network structure inside after forming a film, and still contains some hydrophilic groups

Method used

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  • Emulsified asphalt waterproof coating and preparation method thereof
  • Emulsified asphalt waterproof coating and preparation method thereof
  • Emulsified asphalt waterproof coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0038] Embodiment 1: A preparation method of emulsified asphalt waterproof coating includes the following steps:

[0039] (1) 280kg of pure acrylic emulsion, 0.8kg of pH additives and 1.5kg of antifoaming agent were stirred and mixed for 5 minutes to prepare an aqueous mixture at a speed of 500r / min;

[0040] (2) Add 130kg of 800 mesh heavy calcium, 70kg of 600 mesh of bentonite and 40kg of 1000 mesh of kaolin to the water-based mixture, stir and mix for 20 minutes to obtain an enhanced mixture at a speed of 800r / min;

[0041] (3) Add 1.5kg of defoamer and 3kg of film-forming assistant to the reinforced mixture to prepare the initial mixture;

[0042] (4) Add 380kg of SBS modified asphalt, 8kg of emulsifier and 3kg of silane coupling agent to the initial mixture and stir and mix for 30min at a speed of 1000r / min to prepare emulsified asphalt waterproof coating.

Example Embodiment

[0043] Embodiment 2: A preparation method of emulsified asphalt waterproof coating includes the following steps:

[0044] (1) 290kg of pure acrylic emulsion, 1kg of pH additives and 2kg of antifoaming agent were stirred and mixed for 5 minutes to prepare an aqueous mixture at a speed of 600r / min;

[0045] (2) Add 140kg of 800 mesh heavy calcium, 75kg of 800 mesh of bentonite and 50kg of 1200 mesh of kaolin to the water-based mixture, stir and mix for 20 minutes to obtain an enhanced mixture at a speed of 900r / min;

[0046] (3) Add 2kg of antifoaming agent and 4kg of film-forming assistant to the reinforced mixture to prepare the initial mixture;

[0047] (4) Add 390kg of SBS modified asphalt, 9kg of emulsifier and 4kg of silane coupling agent to the initial mixture and stir and mix for 30min at a speed of 1000r / min to prepare emulsified asphalt waterproof coating.

Example Embodiment

[0048] Embodiment 3: A preparation method of emulsified asphalt waterproof coating, including the following steps:

[0049] (1) 300kg of pure acrylic emulsion, 1kg of pH additives and 2kg of antifoaming agent were stirred and mixed for 5 minutes to prepare an aqueous mixture at a speed of 600r / min;

[0050] (2) Add 150kg of 600 mesh heavy calcium, 75kg of 900 mesh of bentonite and 50kg of 1200 mesh of kaolin to the water-based mixture, stir and mix for 20 minutes to obtain an enhanced mixture at a speed of 900r / min;

[0051] (3) Add 2kg of defoamer and 5kg of film-forming assistant to the reinforced mixture to prepare the initial mixture;

[0052] (4) 400kg of SBS modified asphalt, 10kg of emulsifier and 5kg of silane coupling agent were added to the initial mixture and stirred and mixed for 30 minutes at a speed of 1000r / min to prepare emulsified asphalt waterproof coating.

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Abstract

The invention relates to an emulsified asphalt waterproof coating and a preparation method thereof. The emulsified asphalt waterproof coating is prepared from the following components in parts by weight: 280 to 320 parts of pure acrylic emulsion, 380 to 420 parts of SBS (styrene-butadiene-styrene) modified asphalt, 8 to 12 parts of emulsifier, 3 to 8 parts of silane coupling agent, and 240 to 320parts of enhancer, wherein the enhancer is prepared from 130 to 180 parts of triple superphosphate, 70 to 80 parts of bentonite, and 40 to 60 parts of kaolin. The emulsified asphalt waterproof coatingwith the proportional ratio has the characteristics that the adhesion force is strong, the condensing is quick, and the filming is easy.

Description

technical field [0001] The invention relates to the field of water-oil composite waterproof paint, in particular to an emulsified asphalt waterproof paint and a preparation method thereof. Background technique [0002] After the building wall has been used for a long time, it is prone to cracking after a long period of wind and rain. Different types of waterproof materials can be used to reinforce the building wall. Commonly used waterproof coatings use vinyl acetate-ethylene copolymer emulsion or acrylic emulsion as the main body, and add filler materials or pigments to stir and mix. For example: the Chinese patent application publication number CN107117910A discloses a waterproof material for construction and its preparation method. strength or consistency. [0003] The Chinese patent with application publication number CN103540212A discloses a rigid-flexible compound penetrating crystalline waterproof coating, which mainly includes emulsion, inorganic silicate penetrati...

Claims

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Application Information

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IPC IPC(8): C09D195/00C09D153/02C09D133/04C09D7/61
Inventor 胡小正胡义
Owner 北京中建瑞特新材料股份有限公司
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