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Far infrared ray transmitting composite material and preparation method thereof

A composite material and far-infrared technology, applied in the direction of instruments, optics, optical components, etc., can solve the problems of poor compatibility of inorganic compound crystals, low infrared light transmittance, no practical value, etc., and achieve excellent physical and mechanical performance, high transmittance of far-infrared light, and the effect of maintaining physical and mechanical properties

Active Publication Date: 2014-03-12
SHENZHEN YATAIXING IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, polyethylene has poor selectivity to far-infrared light transmission, low transmittance of polyethylene to mid-infrared and near-infrared, and poor compatibility with inorganic compound crystals. If polyethylene is simply blended with inorganic crystals, The obtained material has low infrared light transmittance, poor physical properties, and does not have practical value

Method used

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  • Far infrared ray transmitting composite material and preparation method thereof
  • Far infrared ray transmitting composite material and preparation method thereof
  • Far infrared ray transmitting composite material and preparation method thereof

Examples

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preparation example Construction

[0035] Correspondingly, the embodiment of the present invention provides the preparation method of the above-mentioned far-infrared ray-transmitting composite material, and the process flow chart of the method is as follows figure 1 shown, including the following steps:

[0036] S01, weighing formula components: weigh each component according to the above-mentioned far-infrared-transmitting composite material formula;

[0037] S02, obtaining the above-mentioned modified infrared-transmitting agent;

[0038] S03, obtaining the far-infrared-transmitting composite material: performing mixing and compounding treatment on the above-mentioned polyethylene and the above-mentioned modified infrared-transmitting agent, and then melt-extruding to obtain the above-mentioned far-infrared-transmitting composite material;

[0039] Specifically, in the above step S01, use an electronic scale (with an accuracy of 1.0%) to weigh the above-mentioned polyethylene and the modified infrared-trans...

Embodiment 1

[0053] A kind of penetrating far-infrared composite material, comprises the formula component of following percentage by weight:

[0054] HDPE 90%,

[0055] Modified infrared agent 10%;

[0056] Wherein, the modified infrared-transmitting agent includes the following formula components in weight percent:

[0057] Epoxy resin E44 6%,

[0058] Zinc Selenide 94%,

[0059] Epoxy curing agent T31 1%.

[0060] The preparation method of this far-infrared composite material is as follows:

[0061] S11, weighing the formula components: weighing each component according to the formula of the above-mentioned far-infrared-transmitting composite material;

[0062] S12, preparing modified zinc selenide: sequentially disperse the epoxy resin E44 and zinc selenide weighed in step S11 in pure water, and mechanically stir for 6 minutes; then add T31, and mechanically stir for 2 hours at a constant temperature of 80°C; Filter out the modified zinc selenide solid with a particle size of 3 μ...

Embodiment 2

[0066] A kind of penetrating far-infrared composite material, comprises the formula component of following percentage by weight:

[0067] HDPE 75%,

[0068] Modified infrared agent 25%;

[0069] Wherein, the modified infrared-transmitting agent includes the following formula components in weight percent:

[0070] Epoxy resin E44 12%,

[0071] Zinc Selenide 87%,

[0072] Epoxy curing agent T31 1%.

[0073] The preparation method of this far-infrared composite material is as follows:

[0074] S21, weighing the formula components: weighing each component according to the formula of the above-mentioned far-infrared-transmitting composite material;

[0075] S22, preparing modified zinc selenide: sequentially disperse the epoxy resin E44 and zinc selenide weighed in step S21 in pure water, and mechanically stir for 12 minutes; then add T31, and mechanically stir for 3 hours at a constant temperature of 80°C; Filter out the modified zinc selenide solid with a particle size of 4...

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Abstract

The invention discloses a far infrared ray transmitting composite material and a preparation method thereof. The far infrared ray transmitting composite material comprises the following components in percentage by weight: 50-95% of polyethylene and 5-50% of a modified far infrared ray transmitting agent, wherein the modified far infrared ray transmitting agent takes the far infrared ray transmitting agent as a core and epoxy and a curing agent as a shell. The polyethylene and the modified far infrared ray transmitting agent are compounded and used, so that the far infrared ray transmitting composite material not only has good mechanical strength and is easy to mold, but also has a strong far infrared ray transmitting capacity. The modified far infrared ray transmitting agent is good in compatibility with polyethylene, so that the problem that polyethylene is poor in compatibility with inorganic crystals is solved. The far infrared ray transmitting composite material disclosed by the invention further has excellent electrical insulating property and stability. The polyethylene is low in cost, and the production cost is greatly saved compared with the far infrared ray transmitting agent which is singly used. According to the preparation method, the polyethylene and the modified far infrared ray transmitting agent are mixed, melted and extruded, and the preparation method is simple in process, low in cost and suitable for industrialized production.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a far-infrared-transmitting composite material and a preparation method thereof. Background technique [0002] Infrared detection technology occupies a very important position in the modern national defense high technology. The preparation of various missiles, infrared early warning, observation and aiming are all inseparable from infrared detection technology. The development of infrared technology is guided by the development of infrared detectors, especially the development of infrared window materials. Infrared window materials are mainly used as windows, hoods or fairings in infrared detectors and aircraft, and are also used as key components of military platform test systems. Appropriate materials and structures must be selected according to combat weapon requirements and detection performance requirements. And according to the method of application s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/08C08K9/10C08K3/30C08K3/08C08K3/02C08K3/10C08K3/16C08K3/04B29C47/92G02B1/04B29C48/92
CPCB29C48/92B29C2948/92514B29C2948/92561B29C2948/92704C08K3/30C08K9/10C08L2207/062C08L2207/066C08L2207/068G02B1/041C08L23/06
Inventor 徐东徐永杨海灵
Owner SHENZHEN YATAIXING IND
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