Vehicle window member with attached window frame and method for manufacturing same
A technology for window frames and car windows, which is applied to vehicle parts, window/door frames, windows, etc., and can solve problems such as insufficient adhesion between the primer layer and the sol-gel coating
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[0143] Hereinafter, although an Example is given and this invention is demonstrated concretely, this invention is not limited to these examples.
[0144] The commercially available items (brand names) used in the following examples are as follows.
[0145] · Nonpol PMA-50W: manufactured by NOF Corporation, a 44.0% by mass aqueous solution of polymaleic acid having a molecular weight of 1200, hereinafter, abbreviated as "PMA-50W" as appropriate. Used as a chelating agent.
[0146] ・SR-SEP: Sorbitol-based polyglycidyl ether manufactured by Sakamoto Pharmaceutical Co., Ltd.
[0147] ・Solmix AP-1: manufactured by Nippon Alcohol Sales Co., Ltd., a mixed solvent of ethanol:2-propanol:methanol=85.5:13.4:1.1 (mass ratio)
[0148] ・Methanol silica sol: manufactured by Nissan Chemical Industry Co., Ltd., colloidal silica obtained by dispersing silica fine particles with an average primary particle diameter of 10 to 20 nm in methanol at a solid content concentration of 30% by mass
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reference example 1～3
[0180] On the entire surface of the glass substrate (manufactured by Asahi Glass Co., Ltd. as above, generally referred to as UVFL), the same primer layer-forming composition containing polyester resin as in Test Example 1 was impregnated into felt cloth and coated, respectively, with heating The temperature was 70° C., and the heating time was 1 minute, 3 minutes, and 5 minutes for treatment (Reference Example 1). After the treatment, a checkerboard test (JIS K5600-5-6 adhesion (cross-cut method)) was implemented within 5 minutes, and the state of the surface was observed with the naked eye, and evaluated in the same manner as in Test Example 1. The results are shown in Table 2.
[0181] Moreover, except having changed the heating temperature of reference example 1 to 80 degreeC (reference example 2) or 90 degreeC (reference example 3), operation similar to reference example 1 was performed, and it evaluated similarly to test example 1, respectively. The results are shown in...
Embodiment 1
[0187] A UV absorbing film, an outer coating (SiO 2 layer), a primer layer, and a vehicle window part with a window frame provided with a window frame by injection molding as follows.
[0188] A tempered glass plate (Tv: 73.7%, Tuv: 10.0%, light transmittance of wavelength 380nm: 31.5%, The surface of 50 cm in length, 30 cm in width, and 3.5 mm in thickness (manufactured by Asahi Glass Co., Ltd., commonly called UVFL) was cleaned with cerium oxide. 20 mL of the liquid composition 1 obtained above was applied by the flow coating method to the main surface of the tempered glass having the black ceramic layer, and heated at 180° C. for 30 minutes in the air. Thus, a glass plate with a functional sol-gel layer 3 having a functional sol-gel layer (ultraviolet absorbing film) with a thickness of 3.5 μm on the entire surface of one main surface of the tempered glass plate with a black ceramic layer was obtained. .
[0189] 1 mL of the same outer coat-forming composition 1 as the o...
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