Near-infrared-shielding ultrafine particle dispersion body, near-infrared-shielding intermediate film, near-infrared-shielding laminated structure, and production method for near-infrared-shielding ultrafine particle dispersion body

A near-infrared, manufacturing method technology, applied in the direction of layered products, chemical instruments and methods, coatings, etc., can solve problems such as reduced productivity of near-infrared shielding particle dispersions

Active Publication Date: 2020-01-07
SUMITOMO METAL MINING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This long pulverization process is likely to cause a decrease in productivity in the dispersion of near-infrared shielding fine particles.

Method used

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  • Near-infrared-shielding ultrafine particle dispersion body, near-infrared-shielding intermediate film, near-infrared-shielding laminated structure, and production method for near-infrared-shielding ultrafine particle dispersion body
  • Near-infrared-shielding ultrafine particle dispersion body, near-infrared-shielding intermediate film, near-infrared-shielding laminated structure, and production method for near-infrared-shielding ultrafine particle dispersion body
  • Near-infrared-shielding ultrafine particle dispersion body, near-infrared-shielding intermediate film, near-infrared-shielding laminated structure, and production method for near-infrared-shielding ultrafine particle dispersion body

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0350]

[0351] 0.216kg of Cs 2 CO 3 Dissolve in 0.330kg of water, add it to 1.000kg of H 2 WO 4 and fully stirred, and then dried to obtain the ratio of Cs element to W element as the target composition of Cs 0.33 WO 3 The mixed powder of the ratio of Cs element to W element in the

[0352] Next, use figure 1 The high-frequency plasma reaction device shown (manufactured by SUMITOMO METAL MINING Co., Ltd., high-frequency plasma generation department; manufactured by NIKOHA Co., Ltd.; the inner diameter of the water-cooled two-quartz heavy tube is 70 mm, and the length is 213 mm), is pumped by a vacuum exhaust device. The inside of the reaction system was evacuated to about 0.1 Pa, and then completely replaced with argon to make a circulation system of 1 pressure. After that, argon gas was introduced into the reaction vessel from the plasma supply nozzle at a flow rate of 30 L / min as plasma gas, and argon gas at a flow rate of 55 L / min and helium gas at a flow rate of 5...

Embodiment 2～6

[0386] Except changing the carrier gas flow rate, the plasma gas flow rate, the sheath gas flow rate, and the raw material supply rate respectively as prescribed values, carry out the same operation as in Example 1, thereby manufacturing the composite tungsten oxide ultrafine particles of Examples 2 to 6 (A ), using the obtained composite tungsten oxide ultrafine particles (A) to produce a composite tungsten oxide ultrafine particle dispersion. Table 1 shows the changed carrier gas flow rate conditions, raw material supply rate conditions, and other conditions.

[0387] The same evaluation as in Example 1 was performed on the composite tungsten oxide ultrafine particles (A) and composite tungsten oxide ultrafine particle dispersion liquid obtained in Examples 2 to 6. The evaluation results are shown in Table 2 and Table 3.

[0388] In addition, in addition to using the composite tungsten oxide ultrafine particle dispersion liquid of Examples 2 to 6, the same conditions as tho...

Embodiment 7

[0390] The Cs described in embodiment 1 2 CO 3 and H 2 WO 4 The mixed powder is changed to Cs obtained by firing at 800°C in a mixed gas atmosphere of nitrogen and hydrogen. 0.33 WO 3 The composite tungsten oxide indicated by is used as the raw material to be put into the high-frequency plasma reactor.

[0391] The manufacturing conditions of the other composite tungsten oxide ultrafine particles (A) were the same as in Example 1, and the composite tungsten oxide ultrafine particles (A) of Example 7 were obtained.

[0392] The near-infrared shielding ultrafine particle dispersion liquid of Example 7 was produced under the same conditions as in Example 1 using the obtained composite tungsten oxide ultrafine particles (A). The same evaluation as in Example 1 was performed on the obtained composite tungsten oxide ultrafine particles (A) and its dispersion liquid. The production conditions and evaluation results are shown in Tables 1 to 3.

[0393] In addition, except for u...

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Abstract

Provided is a near-infrared-shielding ultrafine particle dispersion body or the like that has an excellent near-infrared-shielding function, a low haze value, excellent design properties, and inhibited color tone change and blue haze phenomenon in outdoor use, and that is obtained by using near-infrared-shielding ultrafine particles which are transparent in a visible light region, have excellent near-infrared-shielding characteristics, and are produced with high productivity. Provided is a near-infrared-shielding ultrafine particle dispersion body or the like which is a dispersion of ultrafineparticles having near-infrared-shielding characteristics in a solid medium, wherein the ultrafine particles are composite tungsten oxide ultrafine particles (A) represented by general formula MxWyOz,the ratio value of the top intensity of the XRD peak of the composite tungsten oxide ultrafine particles (A) with respect to the XRD peak intensity, defined as 1, of the (220) plane of a silicon powder standard sample is 0.13 or more, the solid medium contains a resin binder (B) and a weather resistance improver (C), and the weather resistance improver (C) contains at least one selected from benzotriazole-based UV absorbents, triazine-based UV absorbents, and benzophenone-based UV absorbents.

Description

technical field [0001] The present invention relates to a near-infrared shielding ultrafine particle dispersion having good visible light transmittance and a characteristic of absorbing light in the near-infrared region, a near-infrared shielding interlayer film using the near-infrared shielding ultrafine particle dispersion, and a near-infrared shielding interlayer film using the near-infrared shielding ultrafine particle dispersion. A near-infrared-shielding interlayer structure that shields an interlayer and a method for manufacturing a near-infrared-shielding ultrafine particle dispersion. Specifically, the present invention relates to near-infrared rays having optical properties such as an excellent near-infrared shielding function and improved color change when used outdoors, which are widely used in window materials of buildings and windows of automobiles, trains, and airplanes, etc. Disclosed are a near-infrared shielding ultrafine particle dispersion, a near-infrared ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/00B32B17/10B32B27/20B32B27/30B32B27/36C01G41/00C03C17/32C03C27/12C08J7/04C08K3/22C08K5/07C08K5/29C08K5/3492C08L101/00C09D5/32C09D7/61C09D201/00G02B5/22C08J7/043
CPCB32B17/10B32B27/20B32B27/30B32B27/36C01G41/00C03C17/32C08K3/22C08K5/07C08K5/29C08K5/3492C08L101/00C09D5/32C09D7/40C09D7/61C09D201/00C09K3/00G02B5/22C08J7/043C08K5/132C08K5/3475C08J7/04B32B17/10045B32B17/10633B32B17/10761B32B17/10788C01G41/02C08K2201/005B32B17/10678B32B2307/71B32B2307/712B82Y40/00C01P2002/72C01P2006/60C08J3/02C08K2003/2258C08K2201/011C08L67/00
Inventor 小林宏藤田贤一常松裕史长南武
Owner SUMITOMO METAL MINING CO LTD
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