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High-strength glass fiber reinforced plastic and preparation method thereof

A glass fiber reinforced plastic, high-strength technology, applied in the field of fiber-reinforced plastics, can solve the problems of low strength and narrow use range of pressed reinforced plates, and achieve the effects of improving waste utilization, tensile strength, and wear resistance.

Pending Publication Date: 2022-07-29
佛山市炬墺特暖通科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned pressed reinforcing plate made of glass fiber reinforced plastic waste has low strength and narrow application range

Method used

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  • High-strength glass fiber reinforced plastic and preparation method thereof
  • High-strength glass fiber reinforced plastic and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] A high-strength glass fiber reinforced plastic, the preparation method of which comprises the following steps:

[0052] S1, 75kg isophthalic unsaturated polyester, 25kg vinyl resin, 60kg polyester glass fiber reinforced plastic waste, 10.2kg ethylene-butene copolymer are heated to molten state while stirring, to obtain A material;

[0053] S2. Add 22kg glass fiber, 1kg silane coupling agent KH550, 0.8kg antioxidant 1024, 8kg ultraviolet absorber UVP-327, 2kg benzoyl peroxide, 1kg N,N-dimethylaniline to material A, and add 600r The stirring speed of / min stirs and reacts for 60 minutes, pours, and obtains FRP after curing.

Embodiment 2

[0055] A high-strength glass fiber reinforced plastic, the preparation method of which comprises the following steps:

[0056] S1, 80kg isophthalic unsaturated polyester, 20kg vinyl resin, 60kg polyester glass fiber reinforced plastic waste, 12.5kg ethylene-butene copolymer are heated to molten state while stirring, to obtain A material;

[0057] S2, add 28kg glass fiber, 2kg silane coupling agent KH550, 1.2kg antioxidant 1024, 6kg ultraviolet absorber UVP-327, 3kg benzoyl peroxide, and 0.5kg N,N-dimethylaniline to material A, with The stirring speed of 700r / min was stirred and reacted for 45min, poured, and the glass fiber reinforced plastic was obtained after curing.

Embodiment 3

[0059] A high-strength glass fiber reinforced plastic, the preparation method of which comprises the following steps:

[0060] S1, 80kg isophthalic unsaturated polyester, 20kg vinyl resin, 60kg polyester glass fiber reinforced plastic waste, 15.8kg ethylene-butene copolymer are heated to molten state while stirring, to obtain A material;

[0061]S2, add 35kg glass fiber, 3kg silane coupling agent KH550, 1.6kg antioxidant 1024, 4kg ultraviolet absorber UVP-327, 4kg benzoyl peroxide, 0.2kg N,N-dimethylaniline into A material, with The stirring speed of 800 r / min was stirred for 30 minutes, poured, and the glass fiber reinforced plastic was obtained after curing.

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Abstract

The invention discloses high-strength glass fiber reinforced plastic and a preparation method thereof, and relates to the field of fiber reinforced plastics. The high-strength glass fiber reinforced plastic comprises the following raw materials: unsaturated polyester, polyester glass fiber reinforced plastic waste, glass fiber, a silane coupling agent, an ethylene-butylene copolymer, an antioxidant, a weather-proof auxiliary agent, a peroxide curing agent and an accelerant. The unsaturated polyester comprises isophthalic unsaturated polyester and vinyl resin. The preparation method of the high-strength glass fiber reinforced plastic comprises the following steps: heating the unsaturated polyester, the polyester glass fiber reinforced plastic waste and the ethylene-butylene copolymer to a molten state while stirring to obtain a material A; adding the glass fiber, the silane coupling agent, the antioxidant, the weather-resistant additive, the peroxide curing agent and the accelerant into the material A, stirring for reaction, pouring and curing to obtain the glass fiber reinforced plastic. According to the glass fiber reinforced plastic, the waste polyester glass fiber reinforced plastic is effectively utilized, resource waste is reduced, and meanwhile the tensile strength is high.

Description

technical field [0001] The invention relates to the field of fiber-reinforced plastics, in particular to a high-strength glass fiber reinforced plastics and a preparation method thereof. Background technique [0002] FRP, also known as fiber reinforced plastic, is generally made of glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin. Among them, FRP has the advantages of light weight, high strength, corrosion resistance, etc., and can replace some machine casings, valves, pipes, etc. made of steel. [0003] At present, with the continuous advancement of urbanization, the demand and output of FRP are increasing. But at the same time, a large amount of FRP waste is inevitably generated. If these FRP wastes are directly landfilled, it will not only cause waste of resources, but also easily cause environmental pollution, because these FRP wastes are difficult to be completely degraded in the natural environment. [0004] In order to reduce environment...

Claims

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Application Information

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IPC IPC(8): C08L67/06C08L23/08C08K9/06C08K7/14C08K9/02C08J5/08
CPCC08J5/08C08J2367/06C08J2423/08C08J2467/06
Inventor 冯银华陈军峰杨美娟
Owner 佛山市炬墺特暖通科技有限公司
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