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Photo-curing thermoplastic fiber-reinforced epoxy composite material and preparation method thereof

A thermoplastic fiber and composite material technology, which is applied in the field of light-cured thermoplastic fiber reinforced epoxy-based composite materials and its preparation, can solve problems such as low efficiency, and achieve the effect of improving processing and manufacturing speed and realizing mass production.

Active Publication Date: 2014-03-26
SHANGHAI COMPOSITES SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the inefficiency of traditional composite materials process requires a rapid prototyping technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] This embodiment relates to a light-cured thermoplastic fiber-reinforced epoxy-based composite material, and its preparation method is as follows:

[0027] (1) Selected raw materials of chemical substances

[0028] Conduct campaigns on the raw materials of chemical substances used, and control the purity and fineness:

[0029] Epoxy resin (E-51): 99.8%

[0030] Acrylic: 99.99%

[0031] N,N-Dimethylaniline: 99.9%

[0032] Paraben: 99.9%

[0033] Isopropylthioxanthone (ITX): 99.1%

[0034] Trimethylolpropane Triacrylate (TMPTA): 98%

[0035] Deionized water: 99.999%

[0036] Absolute Ethanol: 99.99%

[0037] Silane coupling agent (KH-560): 99.9%

[0038] Methanol: 99.99%

[0039] (2) Synthesis of epoxy acrylic acid

[0040] ①In a four-necked flask, add epoxy resin (E-51) 100g±1g;

[0041] ②In a four-neck flask, add 50g±1g of the polymerization inhibitor p-hydroxyanisole, and stir evenly with a stirrer;

[0042] ③ Add acrylic acid: 50g ± 1g, catalyst N, N-dimeth...

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Abstract

The invention discloses a photo-curing thermoplastic fiber-reinforced epoxy composite material and a preparation method thereof. During preparing, trimethylolpropane triacrylate is taken as a diluent monomer to prepare an epoxy acrylate diluent; the epoxy acrylate diluent and a photoinitiator are mixed and heated into a liquid glue state to obtain liquid photosensitive resin; a piece of thermoplastic fiber-reinforced cloth is coated with the liquid photosensitive resin in a brushing manner, and a piece of prepreg cloth is prepared; and the prepreg cloth is paved on a forming mold and placed on UV(ultraviolet) curing forming equipment for curing forming, so that the thermoplastic fiber-reinforced epoxy composite material is obtained. The thermoplastic fiber-reinforced epoxy composite material can be used for manufacturing a novel electromobile body support frame. The novel photo-curing electromobile body support frame manufactured with the method is good in performance and environment-friendly, and has no harmful influence on a human body and surrounding environment, and simultaneously, the curing effect meets the national standard.

Description

technical field [0001] The invention belongs to the technical field of a resin-based composite material with photosensitive performance used in an ultraviolet light curing rapid prototyping method for body parts of a new type of intelligent electric vehicle, and specifically relates to a light-cured thermoplastic fiber-reinforced epoxy-based composite material and a preparation method thereof. technical background [0002] The rapid development of the automobile industry has led to a sharp increase in car ownership, and at the same time brought three major problems to the society: energy shortage, environmental pollution, and safety issues. Reducing fuel consumption and reducing environmental pollution has become a key issue that needs to be solved urgently for the development of the automobile industry and the sustainable development of society. The lightweight of automobiles is one of the most effective ways to save energy and reduce pollution, and the use of composite mat...

Claims

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Application Information

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IPC IPC(8): B29C70/34C08J5/04
CPCB29C35/08B29C70/34C08J5/046C08J2351/08
Inventor 郝旭峰王竹诸静
Owner SHANGHAI COMPOSITES SCI & TECH CO LTD
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