Metal foil scalding and stamping method using ultraviolet curing adhesive
A technology of metal foil and adhesive, applied in the direction of copying/marking method, printing, etc., can solve the problems of metal foil easy to fall off, insufficient compatibility, and reduce the advantages of screen printing, so as to ensure the bonding strength and quality Effect
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[0046] [The first embodiment]
[0047] The first embodiment, that is, the metal foil foil stamping method shown in FIG. 1 , includes four steps (1) to (4) as shown below.
[0048] (1) As shown in FIG. 1( a ), on the surface of the glass container 10 , a silane compound with a boiling point in the range of 10° C. to 100° C. is used as fuel gas, and the flame 11 is used to apply the flame 11 to the entire surface of the glass container 10 , or to a certain Spray locally. This is the silicification flame treatment process.
[0049] (2) As shown in FIG. 1( b ), the ultraviolet curable adhesive 13 is applied on the surface of the glass container 10 . The ultraviolet curable adhesive 13 contains 1 to 15 weight units of thermoplastic resin, 50 to 95 weight units of ultraviolet curable components, and 0.1 to 10 weight units of photoinitiator. Among them, the main component of the thermoplastic resin is an acrylic compound, and the main component of the ultraviolet curing component ...
Example
[0242] [Second embodiment]
[0243] The second embodiment is a metal foil hot stamping method including the following four steps (1) to (4). The standard method is shown in Figure 2.
[0244] (1) As shown in FIG. 2( a ), the ultraviolet curable adhesive 33 is applied on the surface of the glass container 30 .
[0245] (2) As shown in FIG. 2( b ), the surface of the adhesive 33 is irradiated with ultraviolet rays 36 to be cured, and the semi-cured state 34 is obtained.
[0246] (3) As shown in FIG. 2( c ), a silane compound is used as a natural gas, and the surface of the adhesive 34 in a semi-cured state is sprayed with its flame.
[0247] (4) As shown in Figure 2(d), hot stamp the metal foil.
[0248] The above four sequences are sequential.
[0249] The points that have not been discussed in the first embodiment will be described below.
[0250] 1. Gas tank
[0251] As shown in FIG. 12 , the first gas storage tank 132 for storing the silane compound 134 should be equip...
Example Embodiment
[0263] 【Example 1】
[0264] 1. Implementation of metal foil hot stamping method
[0265] ① Silicating flame treatment process
[0266] use as Figure 16 The portable flame treatment device 170 is shown with a flame treatment time of 1 second. The fuel gas was prepared by mixing tetramethylsilane (0.0001 mol %) with a boiling point of 27°C, tetramethylsilane (0.00001 mol %) with a boiling point of 122°C, and compressed air.
[0267] ② Preparation and application process of UV-curable adhesive
[0268] In a detachable flask with nitrogen, put 100 g of ethyl acetate, 15 g of methacrylic acid, 15 g of acrylonitrile, 15 g of ethylene, and 1 g of AIBN, and the flask temperature was kept at 65°C, and the solution overlapped for 10 hours to form a propylene copolymer ( The weight average molecular weight is 60,000). Next, in a container with a stirring device, 8 g (8% by weight) of propylene copolymer (solid), 60 g of epoxy acrylic polymer (weight average molecular weight 2500), ...
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