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PVB composite film for deicing window and preparation method thereof

A technology of composite film and basement film, which is applied in the field of deicing windows, can solve the problems of high cost of the preparation method, and achieve the effect of simple method, excellent performance and high conductivity

Pending Publication Date: 2020-11-27
安徽美邦树脂科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fabrication of high-performance transparent heating films for deicing windows is still a big problem due to the complicated preparation method and high cost.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1 First, a conductive additive dispersion was prepared, and single-walled carbon nanotubes, sodium dodecylsulfonate, etc. were added to deionized water and stirred until uniformly dispersed. The agglomerated particles and impurities are then centrifuged to obtain the final dispersion. Then prepare a PVB polymer solution, dissolve a certain amount of PVB in dimethylformamide, stir at room temperature until completely dissolved. Then spray the conductive additive dispersion on the glass substrate, keep the temperature of the glass substrate at about 80°C, and spray the PVB polymer solution 5m in front of the moving line of the glass substrate, and adjust the flow rate of the solution to 1m 3 / s, control the thickness of the PVB composite film, heat and cure at 60°C. Then immerse in water to make the PVB composite film fall off from the base film, and dry at 80°C.

Embodiment 2

[0015] Example 2 First, a conductive additive dispersion was prepared, and multi-walled carbon nanotubes, sodium hexadecylbenzenesulfonate, etc. were added to deionized water and stirred until uniformly dispersed. The agglomerated particles and impurities are then centrifuged to obtain the final dispersion. Then prepare a PVB polymer solution, dissolve a certain amount of PVB in dimethylformamide, stir at room temperature until completely dissolved. Then spray the conductive additive dispersion on the glass substrate, keep the temperature of the glass substrate at about 80°C, and spray the PVB polymer solution 5m in front of the moving line of the glass substrate, and adjust the flow rate of the solution to 0.1m 3 / s, control the thickness of the PVB composite film, heat and cure at 60°C. Then immerse in water to make the PVB composite film fall off from the base film, and dry at 80°C.

Embodiment 3

[0016] Example 3 First, a conductive additive dispersion was prepared, silver nanowires, sodium dodecylsulfonate, etc. were added to a mixed solution of deionized water and ethanol (V:V=1:1) and stirred until uniformly dispersed. The agglomerated particles and impurities are then centrifuged to obtain the final dispersion. Then prepare a PVB polymer solution, dissolve a certain amount of PVB in dimethylformamide, stir at room temperature until completely dissolved. Then spray the conductive additive dispersion on the glass substrate, keep the temperature of the glass substrate at about 80°C, and spray the PVB polymer solution 5m in front of the moving line of the glass substrate, and adjust the flow rate of the solution to 10m 3 / s, control the thickness of the PVB composite film, heat and cure at 60°C. Then immerse in water to make the PVB composite film fall off from the base film, and dry at 80°C.

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PUM

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Abstract

The invention discloses a PVB composite film for a deicing window and a preparation method thereof. The PVB composite film is prepared by adopting a spraying method, and then an interlayer film and apolycarbonate (PC) film are compounded to prepare a transparent and elastic three-layer film. The prepared three-layer film not only has remarkable flexibility, transparency, stability, repeatabilityand durability, but also has high conductivity and uniform resistance distribution, can be applied to a deicing window under low voltage, and has excellent performance. The invention provides a simpleand convenient method for preparing the PVB composite film for the deicing window, and the method is suitable for industrial production and wide practical application.

Description

technical field [0001] The invention relates to the technical field of deicing windows, in particular to a PVB composite film used for deicing windows and a preparation method thereof. Background technique [0002] In recent years, with the emergence of heating films for deicing windows based on various materials such as oxide nanoparticles, carbon nanotubes, graphene, metal nanowires, metal grids and their hybrids, this field has made great progress. Lots of progress. However, the fabrication of high-performance transparent heating films for deicing windows is still a big problem due to the complicated preparation method and high cost. Therefore, it is necessary to find a facile and low-cost fabrication method to prepare high-performance transparent heating films suitable for deicing windows. Contents of the invention [0003] The invention aims to provide a PVB composite film used for deicing windows and a preparation method thereof. [0004] The present invention pro...

Claims

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Application Information

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IPC IPC(8): C08J5/18C08L29/14C08K3/04C08K7/06C08K7/00C08K3/08
CPCC08J5/18C08J2329/14C08K3/041C08K7/06C08K3/042C08K7/00C08K2003/0806C08K2201/001C08K2201/011
Inventor 李仁春
Owner 安徽美邦树脂科技有限公司
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