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Modified epoxy resin and its anti-slip wear layer material

A technology of epoxy resin and layer materials, applied in the field of condensation polymers, can solve the problems of increased curing time, inability to open to traffic quickly, long curing time, etc., and achieve the effect of simple and convenient preparation method, uniform appearance, and fast curing time at low temperature

Active Publication Date: 2022-03-11
文山州广那高速公路投资建设开发有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, most of the existing anti-skid wear layer materials are cured at room temperature. In order to ensure the construction retention time, the curing time is usually longer
Moreover, for winter or severe cold regions, the curing time of the anti-skid wear layer material using normal temperature curing agent will increase exponentially, and it cannot be opened to traffic quickly, especially in municipal engineering and other fields that need to be opened to traffic quickly

Method used

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  • Modified epoxy resin and its anti-slip wear layer material
  • Modified epoxy resin and its anti-slip wear layer material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] The anti-skid wearing layer material is prepared by the following steps using the following raw materials:

[0055] A. Preparation of modified epoxy resin: 80 parts of bisphenol A epoxy resin, 10 parts of carboxyl-terminated liquid nitrile rubber prepolymer, 10 parts of 1,2-cyclohexanediol diglycidyl ether, 3% Polyoxypropylene glyceryl ether, 0.5% monoalkoxy pyrophosphate and 0.4% phenyl o-hydroxybenzoate were mixed and stirred at 60°C for 1 hour to obtain a modified epoxy resin; the polyoxypropylene glyceryl ether, mono The percentages of alkoxy pyrophosphate and phenyl o-hydroxybenzoate are the total of bisphenol A epoxy resin, carboxyl-terminated liquid nitrile rubber prepolymer and 1,2-cyclohexanediol diglycidyl ether. percentage of mass;

[0056] B. Preparation of curing agent: 35 parts of polythiol curing agent and 15 parts of addition type aliphatic amine curing agent are mixed under normal temperature conditions to obtain compound curing agent;

[0057] C. Dis...

Embodiment 2

[0059] The anti-skid wearing layer material is prepared by the following steps using the following raw materials:

[0060] A. Preparation of modified epoxy resin: 80 parts of bisphenol A epoxy resin, 15 parts of carboxyl-terminated liquid nitrile rubber prepolymer, 5 parts of 1,2-cyclohexanediol diglycidyl ether, 0.3% Polyoxypropylene glyceryl ether, 0.5% monoalkoxy pyrophosphate and 0.4% phenyl o-hydroxybenzoate were mixed and stirred evenly at 60°C, and reacted for 1 hour to obtain a modified epoxy resin; the polyoxypropylene glycerin The percentages of ether, monoalkoxy pyrophosphate and phenyl o-hydroxybenzoate are based on bisphenol A type epoxy resin, carboxyl-terminated liquid nitrile rubber prepolymer and 1,2-cyclohexanediol dishrinkle The percentage of total mass of glyceryl ether;

[0061] B. Preparation of curing agent: 30 parts of polythiol curing agent and 20 parts of addition-type aliphatic amine curing agent are mixed under normal temperature conditions to obta...

Embodiment 3

[0064] The anti-skid wearing layer material is prepared by the following steps using the following raw materials:

[0065] A. Preparation of modified epoxy resin: 85 parts of bisphenol A epoxy resin, 10 parts of carboxyl-terminated liquid nitrile rubber prepolymer, 5 parts of 1,2-cyclohexanediol diglycidyl ether, 0.3% Polyoxypropylene glyceryl ether, 0.5% monoalkoxy pyrophosphate and 0.4% phenyl o-hydroxybenzoate were mixed and stirred evenly at 60°C, and reacted for 1 hour to obtain a modified epoxy resin; the polyoxypropylene glycerin The percentages of ether, monoalkoxy pyrophosphate and phenyl o-hydroxybenzoate are based on bisphenol A type epoxy resin, carboxyl-terminated liquid nitrile rubber prepolymer and 1,2-cyclohexanediol dishrinkle The percentage of total mass of glyceryl ether;

[0066] B. Preparation of curing agent: 48 parts of polythiol curing agent and 12 parts of addition-type aliphatic amine curing agent are mixed under normal temperature conditions to obta...

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Abstract

The invention belongs to the technical field of condensation polymers containing more than one epoxy group per molecule, and in particular relates to a modified epoxy resin. The modified epoxy resin is prepared from raw materials including epoxy resin, carboxyl-terminated liquid nitrile rubber prepolymer and 1,2-cyclohexanediol diglycidyl ether. The low-temperature curing time of the sliding wear layer material prepared by the modified epoxy resin of the present invention is fast.

Description

technical field [0001] The invention belongs to the technical field of condensation polymers containing more than one epoxy group per molecule, and in particular relates to a modified epoxy resin and an anti-skid wear layer material composed of the modified epoxy resin. Background technique [0002] With the development of expressways in our country, higher vehicle speeds and larger traffic volumes accelerate the wear of asphalt pavements, causing a rapid decline in the anti-skid ability of asphalt pavements, especially at the entrances and exits of curves and downhill roads, resulting in frequent traffic accidents occur. [0003] Therefore, in order to improve people's driving safety and reduce the probability of traffic accidents, the research on the skid resistance of asphalt pavement is particularly important ("Summary of the Development of Asphalt Pavement Anti-skid Surface", Li Huimin, Tong Tong, 2016 No. 9, Abstract lines 1-4 on page 90, publication date 31 December ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/00C08L13/00C08L71/02C08K5/134C08K3/36C08K3/34C08K13/02
CPCC08L63/00C08L2205/03C08L13/00C08L71/02C08K5/1345C08K3/36C08K3/34C08K13/02
Inventor 代绍海徐建晖黄骤屹矿振华代剑锋龙海生冯世春李毅张家瀚
Owner 文山州广那高速公路投资建设开发有限公司
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