Printing ink and phone press key coating method using the same
An ink and button technology, applied in the field of ink and mobile phone button coating using the ink, can solve the problems of pattern fading and wear, and achieve the effects of not easy to fade and wear, simplifying the production process, and shortening the cycle.
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Embodiment 1
[0032] This example is used to illustrate the method provided by the present invention.
[0033] 1. Preparation of ink containing main material, filler, pigment, wax, diluent and curing agent
[0034] With the polyester resin (SK company, ES300) of 20 weight parts, the polypropylene resin (Guangzhou Xiangfu Trading Co., Ltd., PP-16LP) of 20 weight parts, the paraffin wax (SHAMROCK company, S483) of 2 weight parts, 10 weight % Pigment (Clariant, 1533), 33 parts by weight of silicon dioxide (Degussa, AEROSIL300) and 10 parts by weight of toluene are mixed evenly, and then add 5 parts by weight of diphenylmethane-4,4'- Diisocyanate (Mitsui Corporation, Japan, MDI) was mixed evenly to obtain ink D1 containing a host material, a filler, a pigment, a wax, a diluent and a curing agent.
[0035] 2. Coating of mobile phone buttons
[0036]In the dust-free workshop, 100 silicone rubber mobile phone buttons (37.08 mm × 44.69 mm × 3.75 mm) are cleaned. After washing away the surface dir...
Embodiment 2
[0038] This example is used to illustrate the method provided by the present invention.
[0039] 1. Preparation of ink containing main material, filler, pigment, wax, diluent and curing agent
[0040] With 35 parts by weight of polyester resin (SK company, ES300), 25 parts by weight of polypropylene resin (Guangzhou Xiangfu Trading Co., Ltd., PP-16LP), 2 parts by weight of polyethylene wax (Xianghe company, XH-200 ), 10 parts by weight of pigment (Clariant, 1533), 15 parts by weight of calcium carbonate (Guangdong Senxin Industry and Trade Co., Ltd.) and 8 parts by weight of ethyl acetate are mixed uniformly, then add 5 parts by weight of toluene diisocyanate (Bayer Corporation, TDI-100) were mixed evenly to obtain ink D2 containing host material, filler, pigment, wax, diluent and curing agent.
[0041] 2. Coating of mobile phone buttons
[0042] In the dust-free workshop, 100 silicone rubber mobile phone buttons (37.08 mm × 44.69 mm × 3.75 mm) are cleaned. After washing awa...
Embodiment 3
[0044] This example is used to illustrate the method provided by the present invention.
[0045] 1. Preparation of ink containing main material, filler, pigment, wax, diluent and curing agent
[0046] With the polyester resin of 40 weight parts (SK company, ES300), the paraffin wax (SHAMROCK company, S483) of 5 weight parts, the pigment of 15 weight % (Clariant company, 1533), the talcum powder of 20 weight parts (Guangdong Senxin Industry and Trade Co., Ltd.) and 10 parts by weight of isopropanol are mixed homogeneously, then add 10 parts by weight of polyphenylpolymethyl polyisocyanate (Bayer Company, PAPI) and mix homogeneously to obtain a mixture containing main material, filler, pigment, Ink D3 for wax, thinner and hardener.
[0047] 2. Coating of mobile phone buttons
[0048] In the dust-free workshop, 100 silicone rubber mobile phone buttons (37.08 mm × 44.69 mm × 3.75 mm) are cleaned. After washing away the surface dirt, they are dried and fixed on the spraying fixtu...
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