Intermediate film for laminated glass, 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 problem of insufficient absorption of near-infrared rays, and achieve the effect of high heat insulation
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Embodiment 1
[0121] (1) Preparation of dispersion liquid
[0122] 40 parts by weight of triethylene glycol di-2-ethylhexanoate (3GO), 0.98 parts by weight of ITO particles (manufactured by Mitsubishi Materials Co., Ltd.), and a naphthalocyanine compound (copper naphthalocyanine compound, manufactured by Fujifilm Co., Ltd. "FF IRSORB203") 0.0182 parts by weight were mixed, and after adding a phosphoric acid ester compound as a dispersant, they were mixed with a horizontal bead mill to obtain a mixed solution. Then, 0.1 part by weight of acetylacetone was added to the mixed liquid with stirring to prepare a dispersion liquid. Wherein, the content of the phosphate compound is adjusted to 1 / 10 of the content of the heat shielding particles.
[0123] (2) Production of interlayer film for laminated glass
[0124] With respect to 100 parts by weight of polyvinyl butyral resin (butyralization degree: 68.5 mol%, hydroxyl group content: 30.5 mol%), add the entire amount of the obtained dispersion ...
Embodiment 2～13 and comparative example 1～4
[0128] The dispersion liquid, the interlayer film for laminated glass, and the laminated glass were prepared as in Example 1, except that the composition (amount) of the interlayer film for laminated glass was changed as shown in Table 1 below. In addition, also in Examples 2-13 and Comparative Examples 1-2, 4, the content of the phosphate ester compound was adjusted to 1 / 10 of the heat shielding particle content. In Comparative Example 3, no phosphate ester compound was used.
[0129] (Evaluation of Examples 1 to 13 and Comparative Examples 1 to 4)
[0130] (1) Determination of Tts and Tds (Solar Direct Transmittance)
[0131] The above-mentioned Tts and the above-mentioned Tds of the obtained laminated glass were measured in accordance with the measurement method stipulated in the above-mentioned Cool Cars Standards to be introduced. Specifically, the above Tts and the above Tds were measured with a spectrophotometer (“U-4100” manufactured by Hitachi-hitec Co., Ltd.) in ac...
Embodiment 14
[0142] A dispersion liquid, an interlayer film for laminated glass, and a laminated glass were prepared as in Example 1, except that ITO particles (manufactured by Mitsubishi Materials Co., Ltd.) were changed to IZO particles, and the composition (compound amount) of the interlayer film for laminated glass was changed to The changes shown in Table 1 below were made. It should be noted that, in Example 14 as well, the content of the phosphate ester compound was adjusted to 1 / 10 of the content of the heat shielding particles.
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