Preparing method of bonded glass intermediate membrane and bonded glass and manufacturing method of bonded glass
An interlayer film and glass technology, applied in glass/slag layered products, adhesives, adhesive types, etc., can solve problems such as shortening the production time of glued glass and poor haze of glued glass
Active Publication Date: 2017-09-22
陈台伟 +1
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Problems solved by technology
[0008] In view of this, the purpose of the present invention is to specifically overcome the problems such as the poor haze of the laminated glass in the prior art, and try to shorten the production time of the laminated glass and improve the applicability of the laminated glass
Method used
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Embodiment 1 to 2
[0049] Examples 1 to 2: Interlayer film for gluing glass
[0050] First, put the EVA particles in the stirring tank and keep stirring for 6 minutes; then, according to the ratio shown in Table 1 below, add the photoinitiator, cross-linking aid, coupling agent, free radical scavenger and UV light absorber, after 15 minutes of continuous stirring, a mixture was obtained.
[0051] Wherein, the MFR of the selected EVA particles at 190° C. is 28 g / 10 min, and the EVA particles contain 28 wt % of vinyl acetate groups.
[0052] Next, the mixture was put into a hot press molding machine, and the temperature was continuously hot pressed at 110° C. for 1 minute to obtain a film sample, and then the film sample was cut into a plurality of laminated glass interlayers with a size of 5 cm×5 cm.
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The invention relates to a preparing method of a bonded glass intermediate membrane and bonded glass and a manufacturing method of the bonded glass, and particularly provides the preparing method of the bonded glass intermediate membrane. According to the preparing method of the bonded glass intermediate membrane, an ethylene-vinyl acetate copolymer, a photoinitiator, a cross-linking agent, a cross-linking auxiliary, an ultraviolet absorber and a free radical capture agent are mixed, and after membrane forming, the bonded glass intermediate membrane is prepared. The invention further provides the preparing method of the bonded glass. The bonded glass intermediate membrane is sandwiched between two glass sheets, and after vacuum lamination, the laminated structure is irradiated by ultraviolet or visible light to prepare the bonded glass. According to the preparing method of the bonded glass intermediate membrane and the bonded glass and the manufacturing method of the bonded glass, since the bonded glass is prepared by adopting polyethylenevinyl acetate as a material of an intermediate membrane raw material and through a mode of light curing, in this way, the disadvantages in the prior art that the bonded glass has delamination and is long in manufacturing time can be solved, and the quality and applicability of the bonded glass are further improved.
Description
technical field [0001] The present invention relates to a kind of laminated glass used in buildings or vehicles, especially to an interlayer film and the manufacturing method and finished product of laminated glass containing it. Background technique [0002] Glass has been widely used in various fields such as buildings, vehicles and display devices because of its transparency, air-tightness, high strength and high hardness. [0003] In order to improve the use safety and applicability of large-area glass sheets, a layer of polyvinyl butyral (polyvinyl butyral, PVB) is glued between two glass sheets in the prior art laminated glass to make various safety glasses and windshield. [0004] However, in the prior art, PVB is used as the material of the interlayer film of the laminated glass, which is prone to problems such as weather resistance, poor adhesion, and long production time. [0005] In addition, in order to improve the penetration resistance and impact resistance o...
Claims
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Patent Timeline
Login to View More IPC IPC(8): C09J7/00C09J123/08C09J131/04C09J11/06C03C27/12
CPCB32B7/12B32B17/06B32B2250/02C09J7/00C09J11/06C09J123/08C09J131/04
Inventor 陈台伟郑扬睿
Owner 陈台伟