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Resin film for laminated glass, laminated glass including the same, and vehicle including the same

A laminated glass and resin film technology, applied in the field of vehicles, can solve the problems of deteriorating the appearance and optical properties of the intermediate layer and laminated glass

Pending Publication Date: 2018-02-06
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the case of an interlayer having a 3-layer structure, a pattern is formed in the interface between the soundproof layer and the skin layer during the extrusion process for forming the interlayer, deteriorating the appearance and optical properties of the interlayer and laminated glass

Method used

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  • Resin film for laminated glass, laminated glass including the same, and vehicle including the same
  • Resin film for laminated glass, laminated glass including the same, and vehicle including the same
  • Resin film for laminated glass, laminated glass including the same, and vehicle including the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0118] 1) Prepare the first polyvinyl acetal resin (B)

[0119] 190 g of polyvinyl alcohol having a degree of polymerization of 1,700 was used in 2,910 g of pure water and dissolved while raising the temperature. The reaction system was adjusted to 12° C., and 201 g of 35% by weight hydrochloric acid and 124 g of butyraldehyde were used to precipitate polyvinyl acetal. Thereafter, the reaction system was kept at a temperature of 50° C. for 4 hours, and the reaction was completed. The resulting material was washed with excess water to wash away unreacted aldehyde. Then, the resulting substance was neutralized with a hydrochloric acid catalyst to remove salts, and dried to obtain a first polyvinyl acetal resin (B) as a white powder. The degree of acetalization of the obtained first polyvinyl acetal resin (B) was 65.9 mol %, and the acetyl group content was 0.9 mol %.

[0120] 2) Preparation of the second polyvinyl acetal resin (A)

[0121] 191 g of polyvinyl alcohol having a...

Embodiment 2

[0132] Laminated glass was prepared by the same method as in Example 1, except for using the second resin composition prepared as follows and adjusting the surface roughness of the second resin layer and the third resin layer to 22 μm. 61.35g of the second polyvinyl acetal resin (A), add and mix 36g of triethylene glycol-di-2-ethylbutyrate as the second plasticizer, 2g as the second ethylene-α-olefin copolymer MITSUI EXCEREX TM , 0.5 g of trimethoxy(octyl) silane as the second silane compound and 0.15 g of tetrakis[methylene-3-(3',5'-butyl-4'-hydroxyphenyl) as antioxidant propionate] methane, followed by an intensive roll-mix-mill mixture using mixing rollers.

experiment Embodiment 1

[0135] [Experimental Example 1] Measurement of Maximum Static Friction Coefficients of Second Resin Layer and Third Resin Layer

[0136] The resin film was mounted on a horizontal SUS board, a plane weight of 65 x 65 mm (500 g) was mounted thereon, and the SUS board was tilted to measure the angle at which the plane weight slides. The measured angles were converted into coefficients of friction, and the results are shown in Table 1.

[0137] [Table 1]

[0138]

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PUM

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Abstract

The present disclosure relates to a resin film for laminated glass, laminated glass including the resin film, and a vehicle including the laminated glass. The resin film for laminated glass includes aresin layer having a 3-layer structure, and the resin layer is formed of a resin composition of a specific component.

Description

[0001] Cross References to Related Applications [0002] This application is based on and claims priority from Korean Patent Application No. 10-2016-0097363 filed with the Korean Intellectual Property Office on July 29, 2016, the disclosure of which is incorporated herein by reference in its entirety. technical field [0003] The present disclosure relates to a resin film for laminated glass, a laminated glass including the resin film, and a vehicle including the laminated glass. Background technique [0004] Generally, when laminated glass consisting of a pair of glass panels and a resin film inserted between the glass panels is broken, its fragments do not scatter, ensuring excellent safety, so laminated glass is commonly used as windows for road vehicles such as cars or buildings Glass. [0005] Laminated glass needs to have sound insulation properties. The sound insulation performance is expressed as a frequency-dependent transmission loss, and JIS A 4708 specifies the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/08B32B27/22B32B27/30B32B17/10
CPCB32B17/10B32B27/08B32B27/22B32B27/306B32B2605/003B32B2307/102B32B2307/71B32B2250/40B32B27/18B32B27/32B32B27/365B32B27/308B32B2307/746B32B2307/412B32B2605/006B32B2250/03B32B17/10761B32B17/10036B32B17/1055B32B17/10605B32B27/20B32B27/06
Inventor 孔珞敬李骐泓金相荣金洙男朴奭载郑泰洙赵永益陈建秀林根植张东焕朴钟旼金惠珍金圭勋郑盛真延济源
Owner HYUNDAI MOTOR CO LTD
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