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Preparation technical method of epoxy resin composite

An epoxy resin and composite material technology, applied in the field of materials, can solve the problems of high hardness of rubber materials and large damage to human knees, and achieve the effect of overcoming damage and high elasticity

Inactive Publication Date: 2019-06-21
徐荣华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The running belt of the above materials has the following problems: the rubber material on the surface layer is hard, and it will cause great damage to the human knee when running.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of preparation method of epoxy resin composite material of the present embodiment is prepared according to the following steps:

[0026] Step 1. Mix 10-20 parts of glass fiber, 20-30 parts of epoxy resin, 0.5-1 part of dicyandiamide, 10-20 parts of polyethylene-terpolymer, 0.1-0.3 parts of 2-methylimidazole, 1 to 3 parts of thickener, 0.1 to 0.6 parts of plasticizer, 0.02 to 0.05 parts of initiator, 0.01 to 0.02 parts of antistatic agent and solvent, and stir to make a glue with a solid content greater than 75%;

[0027] Step 2. Mix 10-15 parts of nitrile rubber, 5-10 parts of styrene-butadiene rubber or neoprene, 1-5 parts of paraffin, 0.5-3 parts of modified alumina, 0.1-5 parts of guanidine accelerator, and 0.2 parts of auxiliary agent ~3 parts and ethanol, fully stirred under a high-speed mixer to obtain the first component;

[0028] Step 3. Dry the glue in the above step (1) at 125-140°C, add a coupling agent, and roll to obtain the second component;

[00...

Embodiment 2

[0038] Embodiment 2, the preparation method of a kind of epoxy resin composite material of this embodiment, is prepared according to the following steps:

[0039] Step 1. Mix 15 parts of glass fiber, 25 parts of epoxy resin, 0.5 part of diamine nitrile, 12 parts of polyethylene-terpolymer, 0.2 part of 2-methylimidazole, 1.2 parts of thickener, and 0.3 parts of plasticizer 1 part, 0.4 part of initiator, 0.1 part of antistatic agent and dimethylformamide / ethanol, and stirred to form a glue solution with a solid content greater than 75%.

[0040] Step 2. Mix 10-15 parts of nitrile rubber, 5-10 parts of styrene-butadiene rubber or neoprene, 1-5 parts of paraffin, 0.5-3 parts of modified alumina, 0.1-5 parts of guanidine accelerator, and 0.2 parts of auxiliary agent ~3 parts and ethanol, fully stirred under a high-speed mixer to obtain the first component; then cooled to room temperature 25 ° C, left for about 2 to 3 hours, the third component of ethylene-propylene copolymer and ad...

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PUM

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Abstract

The invention relates to the field of materials, in particular to a preparation technical method of an epoxy resin composite. The method comprises the following specific steps: (1) preparing a glue solution containing epoxy resin and glass fiber; (2) preparing a rubber-containing first component; (3) drying the glue solution in step (1), adding a coupling agent, and performing rolling to obtain asecond component; obtaining the composite from the first component and the second component with mixing and vulcanization technologies. The surface composite obtained from the first component formed by the epoxy resin and the glass fiber and the second component formed by rubber through mixing has higher elasticity and has comfort during running, and injury of knees due to the fact that a user runs on a hard material is avoided.

Description

technical field [0001] The invention relates to the field of materials, in particular to a preparation method of an epoxy resin composite material. Background technique [0002] The running belt on the treadmill is composed of the top layer of PVC rubber, the middle layer of polyester mesh, and the bottom layer of warp and weft yarn. The top rubber increases friction, and the warp and weft yarns on the back reduce friction. The good bonding of the two layers of materials is one of the keys to the quality of the running belt. Polyester mesh (grid nylon fiber) is the best media. The warp and weft yarns are mainly mesh nylon fabric, which can effectively prevent the deformation of the running belt, prolong the service life of the running belt, increase the wear resistance of the bottom layer of the running belt, reduce friction very well, and improve the conductivity of the running belt. [0003] The running belt of the above-mentioned material has the following problems: the ...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08L23/08C08L9/02C08L9/06C08L11/00C08K7/14C08K9/00C08K3/22
Inventor 徐荣华
Owner 徐荣华
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