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Double-layer polyester film and preparation method thereof

A polyester and film technology, applied in the direction of polyurea/polyurethane coatings, coatings, film/flake adhesives, etc., to achieve the effect of strong self-cleaning ability, excellent thermal insulation performance and good thermal insulation performance

Active Publication Date: 2015-05-20
FOSHAN JUSHITAI POWDER METALLURGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the problem that the functionality of the existing heat insulation film cannot meet the increasingly higher requirements for heat insulation film today, and provides a double-layer polyester film with high transparency, high heat insulation, self-cleaning and other properties. And the preparation method of this kind of double-layer polyester film

Method used

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  • Double-layer polyester film and preparation method thereof
  • Double-layer polyester film and preparation method thereof
  • Double-layer polyester film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] This embodiment provides a double-layer polyester film and the preparation method of the double-layer polyester film, specifically as follows:

[0029] Self-cleaning coatings consist of the following components:

[0030]

[0031] Anti-ultraviolet and infrared coatings are composed of the following components in mass percentage:

[0032]

[0033]

[0034] The preparation method is as follows:

[0035](1) According to the above components and weights of the self-cleaning coating, each component was weighed and mixed together, and then the mixture was stirred at a speed of 300r / min for 30min to mix the components uniformly to obtain a self-cleaning coating.

[0036] An optical-grade PET substrate with a thickness of 25 μm and double-sided deep corona treatment was used as the first substrate layer, and a 5 μm thick self- Clean paint. Heat-treat the first substrate layer at 70°C for 3 minutes, then place the first substrate layer in a UV curing box for photocuri...

Embodiment 2

[0041] This embodiment provides a double-layer polyester film and the preparation method of the double-layer polyester film, specifically as follows:

[0042] Self-cleaning coatings consist of the following components:

[0043]

[0044] Anti-ultraviolet and infrared coatings are composed of the following components in mass percentage:

[0045]

[0046]

[0047] The preparation method is as follows:

[0048] (1) According to the above composition and weight of each component of the self-cleaning coating, weigh each component respectively. Dissolve IRGACURE 651 in propylene glycol methyl ether acetate, and stir at 300r / min at 60°C for 30min to mix the two evenly. The mixture was cooled to room temperature, and then the remaining components were added to the mixture, and the stirring was continued at a speed of 300 r / min for 30 min to obtain a self-cleaning coating.

[0049] An optical-grade PET substrate with a thickness of 38 μm and double-sided deep corona treatmen...

Embodiment 3

[0054] This embodiment provides a double-layer polyester film and the preparation method of the double-layer polyester film, specifically as follows:

[0055] Self-cleaning coatings consist of the following components:

[0056]

[0057] Anti-ultraviolet and infrared coatings are composed of the following components in mass percentage:

[0058]

[0059]

[0060] The preparation method is as follows:

[0061] (1) According to the above composition and weight of each component of the self-cleaning coating, weigh each component respectively. Dissolve LUCIRIN TPO in methyl isobutyl (methyl) ketone, and stir at 300r / min at 60°C for 30min to mix the two evenly. The mixture was cooled to room temperature, and then the remaining components were added to the mixture, and stirring was continued at a speed of 300r / min for 30min, obtained from a clean paint.

[0062] Take a 25 μm optical-grade hot-melt adhesive TPU substrate as the first substrate layer, and apply a 6 μm thick ...

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Abstract

The invention relates to the technical field of thermal-insulation films and particularly relates to a double-layer polyester film and a preparation method thereof. By forming a self-cleaning auxiliary wear-resistant layer on the upper surface of a first substrate layer, the wear resistance of the film is ensured, the film has hydrophobic, oleophobic, anti-frost, anti-fog, pollution-resistant, antibacterial and self-cleaning functions and the transmittance of the film can also be increased; the self-cleaning auxiliary wear-resistant layer is prepared by curing specific component in a specific proportion, the double-layer polyester film is strong in self-cleaning capability, and the contact angle is 140 degrees-158 degrees. A UV-resistant and infrared-resistant thermal-insulation layer is formed between the first substrate layer and the second substrate layer, is prepared by curing specific component in a specific proportion and can well shield ultraviolet and 800-2500nm infrared light; hollow glass microspheres are added so that the thickness of the coating can be precisely controlled and since the hollow glass microspheres have the characteristics of being hollow, light in weight and low in thermal conductivity, the purposes that the heat transfer coefficient is reduced and the thermal-insulation performance of the film is enhanced are achieved.

Description

technical field [0001] The invention relates to the technical field of thermal insulation film, in particular to a double-layer polyester film and a preparation method thereof. Background technique [0002] With the development of society, energy resources are constantly being developed and utilized, and the contradiction between energy and the environment is constantly increasing. Research on energy-saving materials has become a hot field of research today. According to research reports, the energy of solar radiation reaching the earth's surface is mainly concentrated in the wavelength range of 0.3-2.5 μm, of which the wavelength of 0.2-0.38 μm is ultraviolet rays, and its radiation energy accounts for about 5% of the total solar radiation energy; the wavelength of 0.38-0.78 μm It is visible light, whose radiant energy accounts for about 44% of the total solar radiant energy; wavelength 0.78-2.5μm is near-infrared ray, whose radiant energy accounts for about 51% of the tot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/02C09D175/14C09D5/32C09D7/12
Inventor 崔明培余力梁文平邝耀庭刘思敏
Owner FOSHAN JUSHITAI POWDER METALLURGY CO LTD
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