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Laminated glass
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A technology of laminated glass and wedge angle, which is applied in the direction of windshield, glass/slag layered products, layered products, etc., and can solve the problem of large infrared heat effect
Active Publication Date: 2020-06-05
SEKISUI CHEM CO LTD
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However, infrared rays have a large thermal effect, and infrared rays are released as heat after being absorbed by substances.
Method used
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Embodiment 1～5 and comparative example 1～4
[0274] (Manufacturing method of interlayer film)
[0275] Preparation of the composition for forming the first layer:
[0276] The following components were well kneaded with a mixing roller to obtain a composition for forming the first layer.
[0277] Polyvinyl acetal resin (average degree of polymerization 3000, hydroxyl content 24.0 mol%, degree of acetylation 12.0 mol%, degree of acetalization 64.0 mol%) 100 parts by weight
[0278] 60 parts by weight of triethylene glycol di-2-ethylhexanoate (3GO)
[0279] Tinuvin 326 (2-(2'-hydroxy-3'-tert-butyl-5-methylphenyl)-5-chlorobenzotriazole, manufactured by BASF "Tinuvin 326")
[0280] BHT (2,6-di-tert-butyl-p-cresol) in an amount of 0.2% by weight in the obtained first layer
[0281] Preparation of compositions for forming the second and third layers:
[0282] The following ingredients were well kneaded with a mixing roller to obtain compositions for forming the second layer and the third layer.
[0297] Preparation of the composition for forming the intermediate film (first layer):
[0298] The following components were well kneaded with a mixing roll to obtain a composition for forming an intermediate film.
[0299] Polyvinyl acetal resin (average degree of polymerization 1700, hydroxyl content 30.6 mol%, degree of acetylation 0.9 mol%, degree of acetalization 68.5 mol%) 100 parts by weight
[0300] 40 parts by weight of triethylene glycol di-2-ethylhexanoate (3GO)
[0301] The heat-insulating substances shown in the following Table 3 or Table 4 in the obtained second layer and the third layer in the amount shown in the following Table 3 or Table 4
[0302] Tinuvin 326 (2-(2'-hydroxy-3'-tert-butyl-5-methylphenyl)-5-chlorobenzotriazole, manufactured by BASF Corporation "in an amount of 0.2% by weight in the obtained intermediate film" Tinuvin 326")
[0303] BHT (2,6-di-tert-butyl-p-cresol) in an amount of 0.2% by w...
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Abstract
Provided is laminated glass that is capable of suppressing ghosts, improving a heat insulating property, and improving the heat insulating property or color tone uniformity at one end side and the other end side of the laminated glass. The laminated glass according to the present invention has a first end and a second end located opposite to the first end, the second end having a larger thicknessthan the first end. The laminated glass is provided with a first laminated glass member, a second laminated glass member, and an intermediate film disposed between the first laminated glass member andthe second laminated glass member. The first laminated glass member has a wedge angle of 0.10 mrad or more. The wedge angle of the first laminated glass member is equal to or larger than a wedge angle of the intermediate film. The intermediate film includes a heat insulating substance.
Description
technical field [0001] The present invention relates to a laminated glass using an interlayer film. Background technique [0002] In general, even when laminated glass is damaged by external impact, the amount of scattered glass fragments is small, and it is excellent in safety. Therefore, the laminated glass is widely used in automobiles, rail vehicles, airplanes, ships, buildings, and the like. The laminated glass is produced by sandwiching an interlayer film for laminated glass between two glass plates. [0003] In addition, a head-up display (HUD, head-up display) is known as the laminated glass used in automobiles. HUD can display measurement information such as speed as the driving data of the car on the windshield of the car, and the driver can recognize the information displayed in front of the windshield. [0004] The above-mentioned HUD has a double problem of measurement information and the like. [0005] To suppress double images, a wedge-shaped interlayer is...
Claims
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Application Information
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