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Preparation method of light-diffusion master batch

A technology of light-diffusing masterbatch and light-diffusing agent, applied in lighting and heating equipment, parts of lighting devices, lighting devices, etc., can solve the problems of uneven light transmission of PC boards, high cost, and difficulty in solving the problem of dispersion. , to achieve excellent dispersion effect, excellent heat resistance, and solve the effect of uniform light

Inactive Publication Date: 2012-02-01
ANHUI JIHONG MATERIAL TECH
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Problems solved by technology

[0006] However, the traditional processing method is only the direct addition of light diffusing agent, which is costly and difficult to solve the dispersion problem, resulting in uneven light transmission of PC boards

Method used

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  • Preparation method of light-diffusion master batch

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with embodiment.

[0022] Prepare light-diffusing masterbatch according to the formula in Table 1 and the processing technology in Table 2 respectively:

[0023] Table 1 prepares the composition ratio of the light-diffusing masterbatch

[0024]

[0025] Table 2 Production process for preparing light-diffusing masterbatch

[0026]

[0027] Note: 1. Prepare the light diffusion masterbatch according to the above formula and process, and mix the prepared masterbatch and material (polycarbonate) according to the weight ratio of 1:25 to prepare the finished product. The test results of the finished product (thickness 2mm) are shown in the table The light transmittance and haze in 1; as can be seen from Table 1, when the weight percentage of light diffusing agent is 20.8~25%, the weight percentage of processing aid is 6%, and the weight percentage of base resin is 73.2~25%. 69%, the prepared masterbat...

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Abstract

The invention relates to the technical field of chemical material used for lighting, and particularly relates to a preparation method of a light-diffusion master batch. The preparation method comprises the following steps of: uniformly mixing 13-25% of light diffusion agent, 5-6% of processing aid and 69-82% of base resin to obtain a mixed material; granulating the mixed material by a double-screw extruder; and finally cooling the extruded material and cutting by a dicing machine to obtain the light-diffusion master batch, wherein the light diffusion agent is one or more then one of phenyl methacrylate, phenyl ethyl-acrylate, ethyle methacrylate and glyceryl methacrylate; the processing aid is one or more than one of G78 wax, EVA (ethylene-vinyl acetate copolymer) wax and ethylene bis(stearamide) (EBS); and the base resin is polycarbonate. The light-diffusion master batch prepared by the preparation method provided by the invention has excellent diffusion effect, thus the problem of dodging is effectively solved.

Description

technical field [0001] The invention relates to the technical field of new chemical materials used for lighting, in particular to a preparation method of a light-diffusing masterbatch. Background technique [0002] LED lights are a trend of future development, but LED lights can be very strong and the light is very dazzling. How to make the light of LED lights soft, and the loss of light energy is small, this is the problem to be solved by light diffusing agent and light diffusing masterbatch. [0003] PC (polycarbonate) and PMMA (polymethacrylate) have high transparency, and when light passes through, the loss of light energy is very small, so they are often selected as the base material of lampshades and other optical materials. [0004] The traditional lampshade is to add inorganic light diffusing agents, such as barium sulfate, silicon dioxide, etc., to PC and PMMA. When these inorganic nanoparticles are added, the light will undergo countless light refraction through ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08K5/105C08K5/101C08K5/103B29B9/06F21V3/04
Inventor 何修文詹升军
Owner ANHUI JIHONG MATERIAL TECH
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