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Quickly-curing two-component reactive adhesive and preparation method thereof

A two-component reaction, fast curing technology, applied in the direction of polymer adhesive additives, non-polymer adhesive additives, adhesive additives, etc. Wetting the bonded materials and other issues to achieve the effect of improving stability and reliability

Inactive Publication Date: 2018-05-18
BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems in prior art adhesives that the surface of the bonded material cannot be wetted, detachment occurs after receiving the deformation stress of the bonded material, the cost is high, and the problem of poor resistance to cold and heat temperature difference stress deformation

Method used

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  • Quickly-curing two-component reactive adhesive and preparation method thereof
  • Quickly-curing two-component reactive adhesive and preparation method thereof
  • Quickly-curing two-component reactive adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] The preparation method of A component is:

[0075] (1) Add tackifying resin, plasticizer, tackifying synergist, hydroxyl-terminated liquid rubber and wetting agent into the mixing tank, and close the hatch of the mixing tank. Slowly turn on the stirring, turn on the vacuum device (vacuumize to -0.1MPa), heat to 120-150°C for dehydration, and last for 60 minutes;

[0076] (2) Turn off the vacuum device and stop stirring. Send in air, and after the pressure inside and outside the mixing tank is consistent, open the hatch and add inorganic fillers. Close the hatch, start stirring, and after the inorganic filler is completely submerged, turn on the vacuum device (pump to -0.1MPa) for 30 minutes;

[0077] (3) Turn off the vacuum device and stop stirring. Send in air, and after the pressure inside and outside the mixing tank is consistent, open the hatch and add the thixotropic agent. Close the hatch, start stirring, and after the inorganic filler is completely submerged,...

Embodiment 2

[0084] The preparation method of component A and component B in this example is the same as in Example 1, and the weight percentage of each component is shown in Table 1 and Table 2.

Embodiment 3

[0086] The preparation method of component A and component B in this example is the same as in Example 1, and the weight percentage of each component is shown in Table 1 and Table 2.

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PUM

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Abstract

The invention discloses a quickly-curing two-component reactive adhesive and a preparation method thereof. The two-component reactive adhesive includes an A component and a B component; the A component includes 10-30wt% of tackifying resin, 0-10wt% of a tackifying synergist, 0-5wt% of a plasticizer, 10-30wt% of hydroxyl-terminated liquid rubber, 0-15wt% of a wetting agent, 5-35wt% of an inorganicfiller, 0-5wt% of a thixotropic agent, 0-5wt% of a silane coupling agent, and 0.1-2wt% of a catalyst; and the B component includes 75-90wt% of an isocyanate, 5-25wt% of a heat stabilizer, and 0-5wt% of a low-temperature stabilizer. The adhesive provided by the invention belongs to environmentally-friendly products, polymer compounds such as the liquid rubber, the solid resin and the liquid plasticizer are used, the adhesive is non-toxic and non-irritating, does not react with an adhered material, does not damage the adhered material, and can exert an extremely good bonding effect.

Description

technical field [0001] The invention belongs to the technical field of adhesives, and more specifically relates to a fast-curing two-component reactive adhesive and a preparation method thereof. Background technique [0002] Hard waterproof materials, such as HDPE (high-density polyethylene) waterproof membranes, PVC, modified asphalt membranes, etc., are bent and deformed due to their hard texture when they are applied to special-shaped parts such as pile heads, pipe roots, and male and female corners. When the stress is strong, adhesives and sealing pastes are often required for auxiliary fixation. Traditional adhesives or sealing pastes, such as silicones and polyurethanes, cannot wet the adhesive at all due to their high surface energy after curing. The surface of the material will be detached after being subjected to the deformation stress of the adhered material, which cannot play a good role in bonding and sealing. [0003] If materials such as modified silicone seal...

Claims

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Application Information

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IPC IPC(8): C09J175/08C09J11/04C09J11/06C09J11/08C08G18/76C08G18/69C08G18/48
CPCC08G18/698C08G18/7671C08K2003/2241C08K2201/014C08L2205/035C09J11/04C09J11/06C09J11/08C09J175/08C08L93/04C08K13/02C08K5/11C08K3/346C08K3/36C08K3/22
Inventor 朱明广郭子斌李文志于猛吴志强段文锋田凤兰
Owner BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD