Preparation method of absorbent for laser transmission welding of light-transmitting plastic

A technology of laser transmission welding and absorbing agent, applied in the field of absorbing agent, can solve the problems of weak versatility, difficult to achieve, low versatility, etc., and achieves the effects of strong equipment adaptability, reduced production cost, and strong versatility

Active Publication Date: 2016-09-28
广东顺德华焯机械科技有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

The first two methods have special requirements for welding equipment, and their versatility is not strong, while the third method is the mainstream method to solve the laser welding of light-transmitting + light-transmitting plastics, but the existing laser absorbers have low versatility and difficulty Implementation, poor quality, low efficiency, etc.

Method used

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with embodiment.

[0018] The preparation method of the absorber used for laser transmission welding of light-transmitting plastics includes black light-absorbing plastic particles and corresponding plastic dissolvers, using the plastic dissolver to dissolve the black light-absorbing plastic particles, and applying a specific direction and speed after mixing the two Stirring to speed up the dissolution rate. During the dissolution process, prevent air from being involved, and finally form a viscous plastic solution, that is, the absorbent. Seal the prepared absorbent in the dissolution container to prevent volatilization, and put the absorbent Store in a cool place away from fire, heat and direct sunlight; wherein, the volume ratio of the plastic dissolver to the black light-absorbing plastic particles is 1:0.8-1.2, so that the absorber has a suitable viscosity; the black light-absorbing Plastic partic...

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Abstract

The invention discloses a preparation method of an absorbent for laser transmission welding of light-transmitting plastic. Black light-absorbing plastic particles and a plastic dissolving agent corresponding to the black light-absorbing plastic particles are included; the plastic dissolving agent is used for dissolving the black light-absorbing plastic particles, the mixture is stirred to form sticky plastic dissolving liquid, namely the absorbent, and finally the prepared absorbent is sealed and stored in a dissolving container; the volume ratio of the plastic dissolving agent to the black light-absorbing plastic particles is 1:(0.8-1.2); the black light-absorbing plastic particles contain substances capable of absorbing lasers. The absorbent which is high in welding quality, high in universality, easy to obtain and high in cost performance is provided for laser welding of the light-transmitting+light-transmitting plastic, and the problems concerning laser welding of the light-transmitting+light-transmitting plastic can be solved in a high-quality and high-efficiency mode. The absorbent has the advantages of being high in welding quality, high in universality, easy to obtain, high in cost performance and high in adaptability.

Description

technical field [0001] The invention relates to an absorber, in particular to a preparation method of the absorber used for laser transmission welding of light-transmitting plastics. Background technique [0002] With the development of industrial economy, the requirements for the lightweight of products are getting higher and higher. Plastics are widely used in industrial production, and their usage has even exceeded that of steel. Plastic welding technology is an important forming method in the production process. Laser transmission welding is an environmentally friendly, flexible, high-efficiency, and high-quality plastic welding method. This technology has produced good market benefits in developed countries and is widely used Used in automotive, medical, electronics, aerospace and other fields. However, from the basic distance of laser transmission welding, the two materials to be welded need to meet the conditions that one material is transparent and the other materia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L27/06C08L63/00C08K5/00C08K5/01C08K5/05C08K5/101C08K5/1535B29C65/16
CPCB29C65/16C08L23/12C08L27/06C08L63/00C08K5/1535C08K5/00C08K5/01C08K5/05C08K5/101
Inventor 王春明唐舵
Owner 广东顺德华焯机械科技有限公司
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