Carbon fiber cloth adhesive for underwater or humid environment reinforcement engineering and preparation method thereof

A carbon fiber cloth, wet environment technology, applied in the field of chemical building materials, can solve the problems of inability to meet the application requirements of hydraulic building reinforcement engineering, poor bonding performance, etc., and achieve excellent underwater curing and underwater bonding performance, solidification. Effects of long glue time, excellent underwater cure and wet side bonding properties

Pending Publication Date: 2022-01-07
山西省交通科技研发有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problem of structural adhesive application in watery environment reinforcement engineering, and provides a carbon fiber cloth adhesive for underwater or humid environment reinforcement engineering and its preparation method to solve the problem of traditional carbon fiber cloth structural adhesives sticking to water or wet interfaces. Poor knot performance, unable to meet the application requirements of hydraulic building reinforcement engineering

Method used

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  • Carbon fiber cloth adhesive for underwater or humid environment reinforcement engineering and preparation method thereof
  • Carbon fiber cloth adhesive for underwater or humid environment reinforcement engineering and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Carbon fiber cloth adhesive for underwater or wet environment reinforcement engineering, it is composed of A and B two components, the mass ratio is A component: B component = 1:1. After component A and component B are accurately weighed according to the mass ratio, stir and mix evenly to obtain the carbon fiber cloth adhesive for underwater or wet environment reinforcement engineering.

[0029]The formula of the A component in parts by mass is: 50 parts of fluorinated epoxy resin 1,3-bis(3-glycidyl ether tetrafluorophenoxy)-2-hydroxypropane; 20 parts of hydroxymethyl bis Phenol A type epoxy resin CEQ-45; bisphenol S type epoxy resin 30 parts; diglycidyl aniline 2 parts; trimethylolpropane triglycidyl ether 5 parts; 5 parts nano rubber toughening agent VP-501 ; 8 parts of nano-silica toughening agent; 0.5 parts of water-absorbing resin acrylamide-acrylate copolymer cross-linked product; 0.1 part of defoamer BYK-066N; 0.1 part of dispersant BYK-163; 100 parts of active s...

Embodiment 2

[0036] Carbon fiber cloth adhesive for underwater or wet environment reinforcement engineering, it is composed of A and B two components, the mass ratio is A component: B component = 1:1. After component A and component B are accurately weighed according to the mass ratio, stir and mix evenly to obtain the carbon fiber cloth adhesive for underwater or wet environment reinforcement engineering.

[0037] The formula of the A component in parts by mass is: 75 parts of fluorinated epoxy resin 1,3-bis(3-glycidyl ether tetrafluorophenoxy)-2-hydroxypropane; 10 parts of hydroxymethyl bis Phenol A type epoxy resin CEQ-45; bisphenol S type epoxy resin 15 parts; diglycidyl aniline 4 parts; trimethylolpropane triglycidyl ether 5 parts; 10 parts nano rubber toughening agent VP-501 ; 5 parts of nano-silica toughening agent; 1 part of water-absorbing resin acrylamide-acrylate copolymer cross-linked product; 0.2 parts of defoamer BYK-066N; 0.2 parts of dispersant BYK-163; 100 parts of active ...

Embodiment 3

[0044] Carbon fiber cloth adhesive for underwater or wet environment reinforcement engineering, it is composed of A and B two components, the mass ratio is A component: B component = 2:1. After component A and component B are accurately weighed according to the mass ratio, stir and mix evenly to obtain the carbon fiber cloth adhesive for underwater or wet environment reinforcement engineering.

[0045] The formula of the A component in parts by mass is: 65 parts of fluorinated epoxy resin 1,3-bis(3-glycidyl ether tetrafluorophenoxy)-2-hydroxypropane; 15 parts of hydroxymethyl bis phenol A type epoxy resin CEQ-45; bisphenol S type epoxy resin 20 parts; diglycidyl aniline 3 parts; trimethylol propane triglycidyl ether 4 parts; 8 parts nano rubber toughening agent VP-501 ; 7 parts of nano-silica toughening agent; 0.8 parts of water-absorbing resin acrylamide-acrylate copolymer cross-linked product; 0.15 parts of defoamer BYK-066N; 0.18 parts of dispersant BYK-163; 120 parts of ac...

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Abstract

The invention discloses a carbon fiber cloth adhesive for underwater or humid environment reinforcement engineering and a preparation method thereof. The adhesive is obtained by well mixing a component A and a component B. The component A is prepared from fluorinated epoxy resin, hydroxymethyl bisphenol A type epoxy resin, bisphenol S type epoxy resin, diglycidyl aniline, trimethylolpropane triglycidyl ether, a toughening agent, water-absorbent resin, a defoaming agent, a dispersing agent, active silica powder, carbon nanotubes, cement and fumed silica. The component B is prepared from aliphatic amide polyamine, isophorone diamine, a curing agent, DMP-30, a coupling agent, a defoaming agent, a dispersing agent, active silica powder, carbon nanotubes, cement and fumed silica. The adhesive prepared by the invention has the advantages of high water interface bonding strength, high colloid mechanical strength, good toughness, strong impact resistance and fatigue resistance, good construction performance and the like, and the bonding effect and durability of the carbon fiber cloth adhesive in water environment reinforcement engineering can be remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of chemical building materials, and in particular relates to a carbon fiber cloth adhesive for underwater or humid environment reinforcement engineering and a preparation method thereof. Background technique [0002] As the core material of chemical bonding and reinforcement technology, building structural adhesives play a vital role in the effect of structural reinforcement. Epoxy structural adhesives are widely used in the field of concrete structure reinforcement engineering due to their excellent bonding performance, outstanding mechanical properties, small curing shrinkage, good process performance and good storage stability, and have become the most important in structural reinforcement engineering. one of the building materials. [0003] Epoxy structural adhesives have good bonding performance in a dry environment, but their bonding performance is significantly reduced in a watery environment, which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/00C09J163/02C08G59/46C08G59/50C08G59/60C08G59/66C09J11/04C09J11/08
CPCC09J163/00C09J11/08C09J11/04C08G59/66C08G59/60C08G59/5026C08G59/46C08K2201/011C08K2201/004C08K2201/005C08K2201/014C08L63/00C08L33/26C08L21/00C08K7/26C08K9/06C08K7/18C08K3/041
Inventor 舒兴旺吕船王晋璧林浩刘涛蔡丽娜郭振华卢磊磊闫立来崔东霞郭赢赢
Owner 山西省交通科技研发有限公司
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