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Intermediate Film For Laminated Glass, And Laminated Glass

A technology of laminated glass and interlayer film, which is applied in the direction of glass/slag layered products, layered products, transportation and packaging, etc., and can solve the problem of not being able to fully absorb near-infrared rays

Inactive Publication Date: 2014-07-16
SEKISUI CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ITO particles or ATO particles cannot sufficiently absorb near-infrared rays

Method used

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  • Intermediate Film For Laminated Glass, And Laminated Glass
  • Intermediate Film For Laminated Glass, And Laminated Glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0110] (1) Preparation of dispersion liquid

[0111] 40 parts by weight of triethylene glycol di-2-ethylhexanoate (3GO), 0.28 parts by weight of ITO particles (manufactured by Mitsubishi Materials), and 0.004 naphthalocyanine compound (“FF-IRSORB203” manufactured by Fujifilm) Parts by weight and 0.234 parts by weight of a yellow dye (anthraquinone dye, maximum absorption wavelength 450 nm, "ORACET Yellow GHS" manufactured by Ciba Japan) were mixed, and after adding a phosphoric acid ester compound as a dispersant, the mixture was passed through a horizontal bead mill. Mixing was performed to obtain a mixed solution. Then, 0.1 part by weight of acetylacetone was added to the mixed liquid under stirring to prepare a dispersion liquid. The volume average particle diameter of the ITO particles in the dispersion liquid was 35 nm. In addition, the naphthalocyanine compound ("FF-IRSORB203" by Fujifilm company) contains copper.

[0112] (2) Production of interlayer film for laminat...

Embodiment 2～9 and comparative example 1～5

[0118] A dispersion liquid, an interlayer film for laminated glass, and laminated glasses 1 and 2 were produced as in Example 1, except that the composition of the interlayer film for laminated glass was changed as shown in Table 1 below.

[0119] (Evaluation)

[0120] (1) Measurement of Tts and Tds (Solar Direct Transmittance)

[0121] The above-mentioned Tts and the above-mentioned Tds of the obtained laminated glass 1 were measured according to the measurement methods prescribed by the above-mentioned Cool Cars Standards. Specifically, the above-mentioned Tts and the above-mentioned Tds were measured according to JIS R3106 (1998) using a spectrophotometer (“U-4100” manufactured by Hitachi-hitec).

[0122] (2) Measurement of visible light transmittance

[0123] The above-mentioned visible light transmittance of the obtained laminated glass 1 at a wavelength of 380 to 780 nm was measured with a spectrophotometer (“U-4100” manufactured by Hitachi-hitec) in accordance with JI...

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Abstract

The present invention provides an interlayer film for laminated glass which provides a laminated glass with low Tts and high visible transmittance. An interlayer film 2 for laminated glass of the present invention comprises: a thermoplastic resin; a plasticizer; heat insulating particles; at least one compound selected from the group consisting of a phthalocyanine compound, a naphtalocyanine compound, and an anthracyanine compound; and a yellow dye. The amount of the heat insulating particles is 0.01 to 2 parts by weight and the total amount of the compound and the yellow dye is not more than 0.25 parts by weight, relative to each 100 parts by weight of the thermoplastic resin.

Description

[0001] This application is a divisional application of the invention patent application with the application number of 201080043420.8, the application date of September 29, 2010, and the invention name of "interlayer film for laminated glass and laminated glass". technical field [0002] The present invention relates to an interlayer film for laminated glass used for laminated glass of automobiles, buildings, etc., and more particularly, to an interlayer film for laminated glass that can improve the heat insulation properties of laminated glass, and a film for laminated glass using the interlayer film for laminated glass. Laminated glass. Background technique [0003] Even if the laminated glass is damaged by an external impact, the amount of scattered glass fragments is small, and it is excellent in safety. Therefore, the above-mentioned laminated glass has been widely used in automobiles, rail vehicles, aircraft, ships and buildings. The above-mentioned laminated glass is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C27/12B32B17/10C08L29/14C08K13/02C08K3/22C08K5/103
CPCB32B17/10633B32B17/10651B32B17/10678B32B17/10761Y10T428/27Y10T428/31645
Inventor 深谷重一北野紘史伊井大三冈林赏纯角田竜太
Owner SEKISUI CHEM CO LTD
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