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PVB adhesive film and preparation method thereof, and laminated safety glass

A film and compounding technology, applied in the direction of adhesives, film/sheet adhesives, film/sheet without carrier, etc., can solve the problem of excessive haze of PVB film, achieve good light transmission performance and insulation Thermal and sound insulation performance, good safety performance, and easy mass production

Active Publication Date: 2019-10-25
XINYI GLASS WUHU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is a PVB adhesive film, aiming to solve the technical problem that the haze of the existing PVB adhesive film exceeds the standard

Method used

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  • PVB adhesive film and preparation method thereof, and laminated safety glass
  • PVB adhesive film and preparation method thereof, and laminated safety glass
  • PVB adhesive film and preparation method thereof, and laminated safety glass

Examples

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preparation example Construction

[0032] Correspondingly, a kind of preparation method of above-mentioned PVB film, comprises the following steps:

[0033] S01, performing a first mixed material treatment on the potassium acetate, the ethanol and the water to obtain a first mixed material;

[0034] S02, subjecting the cesium tungsten bronze, the propylene glycol methyl ether acetate, the plasticizer and the first mixture to a second mixture treatment to obtain a second mixture;

[0035] S03, subjecting the PVB resin and the second mixed material to a third mixed material to obtain a third mixed material;

[0036] S04, performing hot-melt extrusion on the third mixed material to form a film to obtain the PVB adhesive film.

[0037] The above-mentioned PVB adhesive film preparation method provided by the embodiment of the present invention is easy to operate, controllable in quality, and easy for mass production.

[0038] Specifically, in step S01, in the step of subjecting the potassium acetate, the ethanol, ...

Embodiment 1

[0047] The present embodiment has prepared a kind of PVB adhesive film, and concrete technological process is as follows:

[0048] S11. Weigh 35 parts of potassium acetate, 56 parts of ethanol and 140 parts of water, and stir the potassium acetate, ethanol and water at 370 rpm for 10 minutes in a mechanical mixer to obtain the first mixed material;

[0049] S12, take by weighing 34 parts of cesium tungsten bronze, 136 parts of propylene glycol methyl ether acetate and 7400 parts of plasticizer, place the first mixed material prepared by cesium tungsten bronze, propylene glycol methyl ether acetate, plasticizer and step S11 in the machine In the blender and stirred at 600rpm for 15min, the second mixture was obtained;

[0050] S13, take by weighing 20000 parts of PVB resin powder, 13500 parts of PVB leftover material, 66 parts of antioxidant and 46 parts of ultraviolet absorber, the second mixed material prepared by PVB resin powder, PVB leftover material, antioxidant, ultravio...

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Abstract

The invention belongs to the technical field of laminated glass, and specifically relates to a PVB adhesive film and a preparation method thereof, and laminated safety glass. The PVB adhesive film provided by the invention comprises 75 to 85 parts by weight of PVB resin, 10 to 20 parts by weight of a plasticizer, 0.01 to 1 part by weight of cesium tungsten bronze, 0.1 to 1 part by weight of propylene glycol methyl ether acetate, 0.07 to 0.1 part by weight of potassium acetate, 0.1 to 0.5 part by weight of ethanol and 0.1 to 0.5 part by weight of water. According to the invention, through the synergistic effect of above-mentioned components, the haze of the PVB adhesive film is effectively reduced, so the PVB adhesive film meets the standards of the laminated safety glass and has good safety, light transmission performance and heat-insulation and sound-insulation performances.

Description

technical field [0001] The invention belongs to the technical field of laminated glass, and in particular relates to a PVB adhesive film, a preparation method thereof and laminated safety glass. Background technique [0002] Laminated safety glass is made by adding a layer of polyvinyl butyral (PVB) film between two or more layers of glass, which is processed by high-temperature hot pressing. PVB film is widely used in construction, automobile and other industries due to its multiple functions such as safety, heat insulation and sound insulation. In order to enhance the heat insulation performance of laminated safety glass, heat insulation materials are added to the PVB adhesive film. Since indium tin oxide (ITO) is a transparent component, it does not affect the light transmittance of laminated safety glass and has a certain heat insulation performance. Therefore, most of the existing heat insulation PVB films use indium tin oxide as heat insulation material. However, whe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/10C09J7/30C09J129/14C09J11/06C09J11/04C03C27/12
CPCC03C27/10C08L2205/025C09J11/04C09J11/06C09J129/14C09J7/10C09J7/30C09J2301/408C08L29/14C08K13/02C08K3/22C08K5/101C08K5/098
Inventor 董清世任安宁
Owner XINYI GLASS WUHU
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