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Ultraviolet-proof high polymer composite material

A composite material and anti-ultraviolet technology, which is applied in the field of polymer materials, can solve the problems of visible light transmission adjustment, non-ultraviolet protection, etc.

Inactive Publication Date: 2019-02-22
RUGAO FUDA ENG & TECH RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide an anti-ultraviolet polymer composite material, which not only retains all the advantages of polyfluoroolefins, but also can solve the problems in the prior art that polyfluoroolefins do not have the function of anti-ultraviolet rays and cannot transmit visible light. Problems with Transient Regulation

Method used

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Examples

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preparation example Construction

[0032] The preparation method of described polymethyl methacrylate modified photochromic agent, comprises the following steps:

[0033] 1) Add methyl methacrylate monomer and ethanol into the reactor, after stirring, the methyl methacrylate is completely dissolved in ethanol, add inorganic discoloration agent and organic discoloration agent, continue stirring and heat up to 60°C -80°C, then add the initiator BPO ethanol solution, stop heating and keep stirring for 1-2 hours, and gradually cool to solid;

[0034] 2) Grinding the above solid into powder to obtain a polymethyl methacrylate modified photochromic agent.

[0035] Polymethyl methacrylate modified photochromic agent is a core-shell structure with the photochromic agent as the core covering the shell of polymethyl methacrylate. The shell-core structure can ensure a stable combination with polymer materials , and evenly distributed.

Embodiment 1

[0037] An anti-ultraviolet polymer composite material, which consists of:

[0038]

[0039] The inorganic photochromic agent among them is CaHfO3: La 2 o 3 .

[0040] In the polymethyl methacrylate modified photochromic agent, the photochromic agent accounts for 0.1% of the total weight of the polymethyl methacrylate modified photochromic agent.

[0041] The organic photochromic agent is a combination of spiropyran and azobenzene, wherein the mass ratio of spiropyran and azobenzene is 1:1.

[0042] The auxiliary agent includes one or more combinations of oxidizing agent, compatibilizer, antiaging agent and light stabilizer.

[0043] The preparation method of described polymethyl methacrylate modified photochromic agent, comprises the following steps:

[0044]1) Add methyl methacrylate monomer and ethanol into the reactor, after stirring, the methyl methacrylate is completely dissolved in ethanol, add inorganic discoloration agent and organic discoloration agent, continu...

Embodiment 2

[0048] An anti-ultraviolet polymer composite material, which consists of:

[0049]

[0050] The inorganic photochromic agent among them is CaHfO3: La 2 o 3 .

[0051] In the polymethyl methacrylate modified photochromic agent, the photochromic agent accounts for 5% of the total weight of the polymethyl methacrylate modified photochromic agent.

[0052] The organic photochromic agent is a combination of spiropyran and azobenzene, wherein the mass ratio of spiropyran and azobenzene is 1:1.

[0053] The auxiliary agent includes one or more combinations of oxidizing agent, compatibilizer, antiaging agent and light stabilizer.

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Abstract

The invention relates to an ultraviolet-proof high polymer composite material which comprises the following components in parts by weight: 85-120 parts of polyfluoro olefins, 5-10 parts of polyurethane, 10-15 parts of a polymethyl methacrylate modified photochromic agent and 1-5 parts of additives. The photochromic agent comprises an inorganic photochromic agent and an organic photochromic agent.According to the technical scheme, the polymethyl methacrylate modified photochromic agent is added into the polyfluoro olefins, and due to coating of the polymethyl methacrylate, the distribution uniformity of the photochromic material in polyfluoro olefins is realized. Moreoover, the photochromic agent comprises the inorganic photochromic agent and the organic photochromic agent, so that the composite material has excellent ultraviolet photochromic property, and the protective property of the composite material on ultraviolet light is improved.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular refers to a polymer composite material in which the color of the composite material changes correspondingly through the change of light, and the composite material has certain ultraviolet protection performance. Background technique [0002] The main purpose of polyfluoroolefin is to be processed into films or coatings. Its specific gravity is slightly heavier than that of polyvinyl chloride films. It has the characteristics of general fluorine-containing resins, and its weather resistance is remarkable. The films prepared by it have certain transparency and can transmit visible light. And ultraviolet rays, strong absorption of infrared rays, its outdoor service life can reach more than 25 years under normal conditions, and it has good flex resistance, and it is not easy to crack after repeated folding. Corrosion, good electrical insulation performance, also has good l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/12C08L75/04C08K9/10C08K3/22C08K5/23
CPCC08L27/12C08L2201/08C08L75/04C08K9/10C08K3/22C08K5/23
Inventor 王航王大平
Owner RUGAO FUDA ENG & TECH RES INST CO LTD
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