Flame-retardant photodiffusion polypropylene composite material for LED and workpiece thereof

A technology of composite materials and polypropylene, which is applied in the field of flame-retardant light-diffusing polypropylene composite materials and its parts for LEDs. It can solve the problems of not having light-diffusing effect and not solving the problem of flame retardancy, and achieves excellent light transmittance. , excellent coating, fine crystal nucleus effect

Active Publication Date: 2019-03-05
上海日之升科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The Chinese invention patent with the application number 201210519772.7 discloses a light-diffusion modified polypropylene material and its preparation method. The following components are contained in the following weight percentages: polypropylene 98.5-99%, light-diffusing agent 0.3-0.8%, transparent modified 0.05-0.5% stabilizer, 0.1-0.5% antioxidant, 0.1-0.3% light stabilizer, prepared a polypropylene material with light diffusion effect, but did not solve the problem of flame retardancy
[0005] The Chinese patent application number 201210233346.7 discloses a high fluidity precipitation-res

Method used

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  • Flame-retardant photodiffusion polypropylene composite material for LED and workpiece thereof
  • Flame-retardant photodiffusion polypropylene composite material for LED and workpiece thereof
  • Flame-retardant photodiffusion polypropylene composite material for LED and workpiece thereof

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Example Embodiment

[0032] Example 1

[0033] This embodiment relates to a flame-retardant light-diffusing polypropylene composite material for LEDs, which is prepared according to the following components and parts by weight:

[0034]

[0035] All the raw materials are put into a high mixer and mixed for 2-5 minutes, and then discharged; then the mixed material is put into a twin-screw extruder to extrude and granulate to prepare a flame-retardant light-diffusing polypropylene composite material for LED. Wherein, the process temperature is 200° C., and the screw speed is 400 rpm.

[0036] The LED lamp parts made of the flame-retardant light-diffusing polypropylene composite material for LEDs of this embodiment are as follows: figure 1 shown.

Example Embodiment

[0037] Example 2

[0038] This embodiment relates to a flame-retardant light-diffusing polypropylene composite material for LEDs, which is prepared according to the following components and weight percentages:

[0039]

[0040] All the raw materials are put into a high mixer and mixed for 2-5 minutes, and then discharged; then the mixed material is put into a twin-screw extruder to extrude and granulate to prepare a flame-retardant light-diffusing polypropylene composite material for LED. Wherein, the process temperature is 190° C., and the screw speed is 300 rpm.

Example Embodiment

[0041] Example 3

[0042] This embodiment relates to a flame-retardant light-diffusing polypropylene composite material for LEDs, which is prepared according to the following components and weight percentages:

[0043]

[0044] All the raw materials are put into a high mixer and mixed for 2-5 minutes, and then discharged; then the mixed material is put into a twin-screw extruder to extrude and granulate to prepare a flame-retardant light-diffusing polypropylene composite material for LED. Wherein, the process temperature is 180° C., and the screw speed is 350 rpm.

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Abstract

The invention relates to a flame-retardant photodiffusion polypropylene composite material for an LED and a workpiece thereof. The composite material is prepared from the following components in partsby weight: 100 parts of homo-polypropylene, 2 to 5 parts of compound flame retardant, 1 to 5 parts of organic silicone photodiffusion agent, 1 to 5 parts of barium sulfate photodiffusion agent, 1 to2 parts of light stabilizer, and 2 to 3 parts of chemical modifier. Compared with the prior art, the flame-retardant photodiffusion polypropylene composite material prepared in the invention is excellent in mechanical performance, high in light transmittance, excellent in flame retardant performance, and free from precipitation of flame retardant.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a flame-retardant light-diffusing polypropylene composite material for LEDs and a product thereof. Background technique [0002] With the development of LED light sources, LED light diffusion plates and reflector materials have also developed rapidly. Traditional reflective materials are metal die-casting or modified PC materials. The cost of metal die-casting parts is high and the process is cumbersome. The price of modified PC materials expensive. [0003] Polypropylene is widely used in industries such as automobiles and home appliances due to its low density, corrosion resistance, easy processing, low cost, recyclability, and excellent mechanical properties. However, there is no report about the application of polypropylene materials in the field of LED shading and reflection. Polypropylene has a certain degree of permeability in the case of thin walls, so the research on t...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L51/06C08L83/04C08K3/32C08K5/3492C08K7/18F21V1/22F21V7/24F21Y115/10
CPCC08K2003/323C08L23/12C08L2201/02F21V1/22F21Y2115/10F21V7/24C08L51/06C08L83/04C08K3/32C08K5/34928C08K7/18
Inventor 娄小安孔伟韩波陆展科
Owner 上海日之升科技有限公司
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