Intermediate film for laminated glasses, and laminated glass

A technology of laminated glass and interlayer film, applied in glass/slag layered products, layered products, synthetic resin layered products, etc., can solve the problems of large infrared heat effect, achieve high visible light transmittance, and improve heat insulation And visible light transmittance, heat insulation and visible light transmittance high effect

Active Publication Date: 2013-11-13
SEKISUI CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the heat effect of infrared rays is great. Once infrared rays are absorbed by substances, heat will be released.

Method used

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  • Intermediate film for laminated glasses, and laminated glass
  • Intermediate film for laminated glasses, and laminated glass
  • Intermediate film for laminated glasses, and laminated glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0177] (1) Production of interlayer film

[0178] 40 parts by weight of plasticizer 1 (triethylene glycol di-2-ethylhexanoate (3GO)), tungsten oxide particles in an amount of 0.030% by weight in 100% by weight of the obtained interlayer film, on the obtained interlayer film Antioxidant (2,6-di-tert-butyl-p-cresol (BHT)) in an amount of 0.80% by weight in 100% by weight, and UV shielding agent 1 in an amount of 0.80% by weight in 100% by weight of the obtained interlayer film ("Tinuvin 326" manufactured by BASF Corporation) was mixed, and after adding the phosphoric acid ester compound as a dispersant, it mixed with the horizontal bead mill, and obtained the dispersion liquid. Among them, the content of the phosphate ester compound is adjusted to 1 / 10 of the content of the tungsten oxide particles.

[0179] The entire amount of the obtained dispersion was added to 100 parts by weight of the polyvinyl butyral resin (PVB1), and it was fully kneaded with a mixing roll to obtain a...

Embodiment 2～7 and comparative example 1～2

[0184]The types and contents of tungsten oxide particles (heat-shielding particles), antioxidants, and ultraviolet shielding agents were set as shown in Table 1 below, except that the same operation as in Example 1 was performed to produce a single interlayer film. Using the obtained interlayer film, the same operation as in Example 1 was performed to produce a laminated glass having an interlayer film. It should be noted that, in Example 7, no antioxidant was used. In Comparative Example 1, no tungsten oxide particles were used. In Comparative Example 2, no ultraviolet shielding agent was used.

Embodiment 8

[0186] (1) Production of heat insulation layer

[0187] Plasticizer 1 (triethylene glycol di-2-ethylhexanoate (3GO)) 60 parts by weight, tungsten oxide particles in an amount of 0.030% by weight in 100% by weight of the obtained intermediate film, and tungsten oxide particles in the obtained intermediate film Antioxidant (2,6-di-tert-butyl-p-cresol (BHT)) was mixed in an amount of 0.80% by weight in 100% by weight of the film, and then a phosphoric acid ester compound was added as a dispersant, and then a horizontal bead mill was used to machine for mixing to obtain a dispersion. Among them, the content of the phosphate ester compound is adjusted to 1 / 10 of the content of the tungsten oxide particles.

[0188] The entire amount of the obtained dispersion was added to 100 parts by weight of polyvinyl butyral resin (PVB2), and it was fully kneaded with a mixing roll to obtain a composition for a heat-shielding layer.

[0189] (2) Production of UV shielding layer

[0190] 40 p...

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Abstract

The present invention provides an interlayer film for laminated glass which has high heat-shielding properties and a high visible transmittance, and further has excellent light resistance, resulting in long-term retention of the high visible transmittance. The interlayer film for laminated glass of the present invention has a single-layer structure or a laminated structure of two or more layers. The interlayer film for laminated glass is provided with a first layer that contains a thermoplastic resin and tungsten oxide particles. In cases where the interlayer film for laminated glass has a single-layer structure, the first layer further contains an ultraviolet shielding agent. In cases where the interlayer film for laminated glass is a multi-layer interlayer film for laminated glass having a laminated structure of two or more layers, the interlayer film for laminated glass further comprises a second layer that contains an ultraviolet shielding agent, and that is disposed on a first surface side of the first layer.

Description

technical field [0001] The present invention relates to an interlayer film for laminated glass used for laminated glass of automobiles, buildings, etc., and more specifically, to an interlayer film for laminated glass capable of obtaining laminated glass with high heat-shielding performance, and an interlayer film for laminated glass using the interlayer film for laminated glass laminated glass. Background technique [0002] Even when laminated glass is damaged by external impact, the amount of glass shards scattered is small, and it is excellent in safety. Therefore, the above-mentioned laminated glass has been widely used in automobiles, rail vehicles, airplanes, ships and buildings. The above-mentioned laminated glass is manufactured by interposing an interlayer film for laminated glass between a pair of glass plates. Laminated glass used for such openings of vehicles and buildings is required to have high thermal insulation. [0003] Infrared rays with a wavelength gr...

Claims

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Application Information

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IPC IPC(8): C03C27/12B32B17/10B32B27/18
CPCB32B27/18B32B2307/304B32B2307/412B32B2264/105B32B2307/71B32B27/06B32B17/10761B32B17/10678B32B17/10633B32B27/08B32B27/306B32B2419/00B32B2605/08C08K3/22C08K2003/2258C08L29/14Y10T428/2495Y10T428/31928Y10T428/31935
Inventor 北野纮史深谷重一伊井大三冈林赏纯角田竜太
Owner SEKISUI CHEM CO LTD
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