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Infrared barrier PVB (Poly Vinyl Butyral) film and preparation method thereof

An infrared blocking and film technology, applied in the direction of adhesives, film/flake adhesives, non-polymer adhesive additives, etc., can solve the problems of poor infrared blocking of PVB films, and optimize the production process and improve the layering. And the effect of nanoparticle agglomeration to ensure consistency

Inactive Publication Date: 2014-09-24
ZHEJIANG DECENT PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention proposes an infrared barrier PVB film and its preparation method, which solves the technical problem of poor infrared barrier of PVB film in the prior art

Method used

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  • Infrared barrier PVB (Poly Vinyl Butyral) film and preparation method thereof
  • Infrared barrier PVB (Poly Vinyl Butyral) film and preparation method thereof
  • Infrared barrier PVB (Poly Vinyl Butyral) film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] (1) Preparation of nano GTO dispersion:

[0045] Take 7.8kg of ethanol and 1.5kg of nanometer GTO powder and pre-mix them on a ball mill for 3-5 hours of coarse grinding, then add 0.7kg of silane coupling agent KH-570 and continue grinding on the ball mill for 15-18 hours to obtain nano GTO dispersion.

[0046] (2) 100kgPVB resin powder, 0.1kg antioxidant mixture (from 66.7g tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester and 33.3g three [2, 4-di-tert-butylphenyl] phosphite), 0.05kg UV absorber 2-(2'-hydroxyl-5'-tert-octyl)-benzotriazole, put it into the mixer and stir at a high speed at 800RPM 5 minutes. Control the amount of cooling water so that the material temperature is between 40°C and 50°C during the stirring process. Finally, 28 kg of plasticizer triethylene glycol diisocaprylate and 0.5 kg of nano-GTO dispersion prepared in step (1) were added at a rotating speed of 20 RPM, and stirred at a low speed for 5 to 10 minutes. T...

Embodiment 2

[0048] (1) Preparation of nano GTO dispersion:

[0049] Take 7kg of triethylene glycol diisocaprylate and 2kg of nano-GTO powder in advance and mix them on the ball mill for 3-5 hours, then add 1kg of silane coupling agent KH-570 and continue grinding on the ball mill for 15-18 hours , to prepare nano GTO dispersion.

[0050] (2) 100kgPVB resin powder, 0.1kg antioxidant mixture (from 66.7g tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester and 33.3g three [2, 4-di-tert-butylphenyl] phosphite), 0.05kg UV absorber 2-(2'-hydroxyl-5'-tert-octyl)-benzotriazole, put it into the mixer and stir at a high speed at 800RPM 5 minutes. Control the amount of cooling water so that the material temperature is between 40°C and 50°C during the stirring process. Finally, 28 kg of plasticizer triethylene glycol diisocaprylate and 0.8 kg of nano-GTO dispersion prepared in step (1) were added at a rotating speed of 20 RPM, and stirred at a low speed for 5 to 10 min...

Embodiment 3

[0052] (1) Preparation of nano GTO dispersion:

[0053] Take 7kg of triethylene glycol diisocaprylate and 2kg of nano-GTO powder in advance and mix them on the ball mill for 3-5 hours, then add 1kg of silane coupling agent KH-570 and continue grinding on the ball mill for 15-18 hours , to prepare nano GTO dispersion.

[0054] (2) 100kgPVB resin powder, 0.1kg antioxidant mixture (from 66.7g tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester and 33.3g three [2, 4-di-tert-butylphenyl] phosphite), 0.05kg UV absorber 2-(2'-hydroxyl-5'-tert-octyl)-benzotriazole, put it into the mixer and stir at a high speed at 800RPM 5 minutes. Control the amount of cooling water so that the material temperature is between 40°C and 50°C during the stirring process. Finally, 28 kg of plasticizer triethylene glycol diisocaprylate and 1.0 kg of nano-GTO dispersion prepared in step (1) were added at a rotating speed of 20 RPM, and stirred at a low speed for 5 to 10 min...

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Abstract

The invention provides an infrared barrier PVB (Poly Vinyl Butyral) film and a preparation method thereof. The PVB film comprises the following raw materials in parts by weight: PVB resin powder, a plasticizer, a GTO nanometer dispersion liquid, an antioxygen and an ultraviolet absorbent, wherein the GTO nanometer dispersion liquid comprises an organic solvent, a dispersing agent and GTO nanometer powder. The preparation method comprises the steps: (1), mixing the nanometer GTO powder and the organic solvent, then coarsely grinding, then adding the dispersing agent, continuously grinding to prepare the nanometer GTO dispersion liquid; and (2), mixing and stirring the GTO nanometer dispersion liquid prepared in the step (1), the PVB resin powder, the plasticizer, the antioxygen and the ultraviolet absorbent, then charging in a double-screw extruder to obtain a PVB film, and cooling, sizing and coiling to obtain the infrared barrier PVB film. The infrared barrier PVB film provided by the invention has an infrared barrier rate high up to 95 percent.

Description

technical field [0001] The invention relates to the technical field of PVB films, in particular to an infrared-blocking PVB film and a preparation method thereof. Background technique [0002] Energy conservation and environmental protection have always been topics of concern to human beings, and the energy conservation and environmental protection industry is also the focus of the development of various countries in the world. In the hot summer, people often need to use the air conditioner for a long time in the car or indoors, and the use of the air conditioner will bring a lot of energy consumption and bring pollution to the air. In the car and indoors in summer, most of the heat comes from the radiation of sunlight through the glass windows. Therefore, if we can use some technical means to block these radiations on the glass, it will greatly reduce the use of air conditioners, save energy and reduce pollution. [0003] The radiation of sunlight is mainly electromagneti...

Claims

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Application Information

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IPC IPC(8): C09J7/00C09J129/14C09J11/04C09J11/06
Inventor 朱立疆
Owner ZHEJIANG DECENT PLASTIC
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