阅读说明：本技术 一种手机触控后盖强化丝印玻璃及其丝印方法 (Mobile phone touch rear cover strengthened silk-screen glass and silk-screen method thereof ) 是由 陈显德 张则苏 于 2020-06-08 设计创作，主要内容包括：本发明公开了一种手机触控后盖强化丝印玻璃及其丝印方法,属于玻璃丝印技术领域按重量份数计,包括以下成份：二氧化硅80～90份、硬质粘土40～60份、氢氧化铝10～15份、氧化钡1.0～1.5份、硅藻土10～15份、儿茶酚1.0～1.5份、助熔剂10～15份、粘结剂2～8份、固色剂7～10份和聚丙烯酰胺10～15份,将以上原料加热熔融后,倒入模具中,冷却成型后,制得强化丝印玻璃。本发明通过添加儿茶酚能够作为防腐剂和抗氧化剂,便于丝印过程中的图像投射,增加清晰度；添加硬质粘土和硅藻土具有良好的抗冲击韧性和抗氧化性,化学稳定性更好,强度更高；在丝印时刷涂油墨能够防止强化丝印玻璃被侵蚀污染。(The invention discloses a mobile phone touch-control rear cover strengthened silk-screen glass and a silk-screen method thereof, belonging to the technical field of glass silk-screen, and comprising the following components in parts by weight: 80-90 parts of silicon dioxide, 40-60 parts of hard clay, 10-15 parts of aluminum hydroxide, 1.0-1.5 parts of barium oxide, 10-15 parts of diatomite, 1.0-1.5 parts of catechol, 10-15 parts of fluxing agent, 2-8 parts of binder, 7-10 parts of color fixing agent and 10-15 parts of polyacrylamide, heating and melting the raw materials, pouring the raw materials into a mold, and cooling and forming to obtain the strengthened silk-screen glass. According to the invention, the catechol is added to be used as a preservative and an antioxidant, so that image projection in the silk-screen printing process is facilitated, and the definition is increased; the addition of the hard clay and the diatomite has good impact toughness and oxidation resistance, better chemical stability and higher strength; the strengthened silk-screen glass can be prevented from being corroded and polluted by brush coating of the ink during silk-screen printing.)

1. The reinforced silk-screen glass for the touch rear cover of the mobile phone is characterized by comprising the following components in parts by weight: 80-90 parts of silicon dioxide, 40-60 parts of hard clay, 10-15 parts of aluminum hydroxide, 1.0-1.5 parts of barium oxide, 10-15 parts of diatomite, 1.0-1.5 parts of catechol, 10-15 parts of fluxing agent, 2-8 parts of binder, 7-10 parts of color fixing agent and 10-15 parts of polyacrylamide, heating and melting the raw materials, pouring the raw materials into a mold, and cooling and forming to obtain the strengthened silk-screen glass.

2. The mobile phone touch-control rear cover strengthened silk-screen glass as claimed in claim 1, wherein the fineness of the silicon dioxide is 300-350 meshes, the fineness of the hard clay is 400-500 meshes, and the fineness of the diatomite is 200-350 meshes.

3. The mobile phone touch-control rear cover enhanced screen printing glass according to claim 1, wherein the fluxing agent is one or more of sodium benzoate, sodium salicylate or p-aminobenzoic acid.

4. The mobile phone touch-control rear cover strengthened silk-screen glass as claimed in claim 1, wherein the binder is one or more of rosin, starch or dextrin.

5. The mobile phone touch-control rear cover strengthened silk-screen glass according to claim 1, wherein the color fixing agent is one or two of diethylenetriamine or triethylenetetramine.

6. The mobile phone touch-control rear cover strengthened silk-screen glass as claimed in claim 1, wherein before heating and melting, silica, hard clay and diatomite are firstly crushed and ground to 50-60 meshes, and are uniformly mixed.

7. The mobile phone touch-control rear cover strengthened silk-screen glass as claimed in claim 1, wherein the temperature of heating and melting is 1600-1800 ℃.

8. The mobile phone touch-control rear cover strengthened silk-screen glass as claimed in claim 1, wherein the fluxing agent, the binder and the fixing agent are added at last, and the temperature during adding is 1650 ℃.

9. A silk-screen method for strengthening silk-screen glass of a mobile phone touch rear cover is characterized by comprising the following steps:

step 1: cleaning the tempered silk-screen glass, and coating ink on the glass;

step 2: putting the glass of the strengthened silk-screen glass into a silk-screen printing table, setting a required pattern, and centrally and symmetrically arranging the pattern and the strengthened silk-screen glass;

And step 3: starting a motor in the control system to enable the printing pattern to coincide with four sides of the strengthened silk-screen glass, and finishing primary silk-screen;

and 4, step 4: after the preliminary screen printing is finished, the silk-screen-printed reinforced screen printing glass is sent into an oven to be deepened and solidified, and then is sent into a screen printing machine to be subjected to screen printing for multiple times.

10. The silk-screen method for the mobile phone touch rear cover strengthened silk-screen glass as claimed in claim 9, wherein the coating ink is an environmental-friendly ink.

Technical Field

The invention relates to silk-screen glass and a silk-screen method thereof, in particular to mobile phone touch-control rear cover strengthened silk-screen glass and a silk-screen method thereof, and belongs to the technical field of glass silk-screen.

Background

The mobile phone touch control rear cover is an essential part in a mobile phone assembly, the silk screen glass is a glass processing procedure, and a silk screen master draws required patterns on the silk screen glass; the screen printing is divided into manual screen printing and machine screen printing.

The existing silk-screen glass used for the mobile phone touch rear cover is low in strength and extremely easy to break in the using process, and meanwhile, the existing silk-screen method is complex, the silk-screen time is long, and the production efficiency is affected.

Disclosure of Invention

The invention mainly aims to solve the defects of the prior art and provides the mobile phone touch-control rear cover strengthened silk-screen glass and the silk-screen method thereof.

The purpose of the invention can be achieved by adopting the following technical scheme:

the mobile phone touch-control rear cover strengthened silk-screen glass comprises the following components in parts by weight: 80-90 parts of silicon dioxide, 40-60 parts of hard clay, 10-15 parts of aluminum hydroxide, 1.0-1.5 parts of barium oxide, 10-15 parts of diatomite, 1.0-1.5 parts of catechol, 10-15 parts of fluxing agent, 2-8 parts of binder, 7-10 parts of color fixing agent and 10-15 parts of polyacrylamide, heating and melting the raw materials, pouring the raw materials into a mold, and cooling and forming to obtain the strengthened silk-screen glass.

Preferably, the fineness of the silicon dioxide is 300-350 meshes, the fineness of the hard clay is 400-500 meshes, and the fineness of the diatomite is 200-350 meshes.

Preferably, the fluxing agent is one or more of sodium benzoate, sodium salicylate or p-aminobenzoic acid.

Preferably, the binder is one or more of rosin, starch or dextrin.

Preferably, the color fixing agent is one or two of diethylenetriamine or triethylenetetramine.

Preferably, before heating and melting, the silicon dioxide, the hard clay and the diatomite are crushed and ground to 50-60 meshes, and are uniformly mixed.

Preferably, the heating and melting temperature is 1600-1800 ℃.

Preferably, the fluxing agent, the binder and the fixing agent are added at last, and the temperature during the addition is 1650 ℃.

A mobile phone touch rear cover strengthened silk-screen glass and a silk-screen method thereof comprise the following steps:

step 1: cleaning the tempered silk-screen glass, and coating ink on the glass;

step 2: putting the glass of the strengthened silk-screen glass into a silk-screen printing table, setting a required pattern, and centrally and symmetrically arranging the pattern and the strengthened silk-screen glass;

and step 3: starting a motor in the control system to enable the printing pattern to coincide with four sides of the strengthened silk-screen glass, and finishing primary silk-screen;

and 4, step 4: after the preliminary screen printing is finished, the silk-screen-printed reinforced screen printing glass is sent into an oven to be deepened and solidified, and then is sent into a screen printing machine to be subjected to screen printing for multiple times.

Preferably, the coating ink is an environmentally friendly ink.

The invention has the beneficial technical effects that: according to the mobile phone touch-control rear cover strengthened silk-screen glass and the silk-screen method thereof, the added catechol can be used as a preservative and an antioxidant, so that image projection in the silk-screen process is facilitated, and the definition is increased; the addition of the hard clay and the diatomite has good impact toughness and oxidation resistance, better chemical stability and higher strength; the strengthened silk-screen glass can be prevented from being corroded and polluted by brush coating of the ink during silk-screen printing.

Detailed Description

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail with reference to the following examples, but the embodiments of the present invention are not limited thereto.

The mobile phone touch-control rear cover strengthened silk-screen glass provided by the embodiment comprises the following components in parts by weight: 80-90 parts of silicon dioxide, 40-60 parts of hard clay, 10-15 parts of aluminum hydroxide, 1.0-1.5 parts of barium oxide, 10-15 parts of diatomite, 1.0-1.5 parts of catechol, 10-15 parts of fluxing agent, 2-8 parts of binder, 7-10 parts of color fixing agent and 10-15 parts of polyacrylamide, heating and melting the raw materials, pouring the raw materials into a mold, and cooling and forming to obtain the strengthened silk-screen glass.

The fineness of the silicon dioxide is 300-350 meshes, the fineness of the hard clay is 400-500 meshes, and the fineness of the diatomite is 200-350 meshes. The fluxing agent is one or more of sodium benzoate, sodium salicylate or p-aminobenzoic acid. The binder is one or more of rosin, starch or dextrin.

The color fixing agent is one or two of diethylenetriamine or triethylene tetramine. Before heating and melting, the silicon dioxide, the hard clay and the diatomite are crushed and ground to 50-60 meshes, and are uniformly mixed. The heating and melting temperature is 1600-1800 ℃. The fluxing agent, the adhesive and the color fixing agent are added finally, and the temperature during adding is 1650 ℃.

A silk-screen method for strengthening silk-screen glass of a mobile phone touch rear cover comprises the following steps:

step 1: cleaning the tempered silk-screen glass, and coating ink on the glass;

step 2: putting the glass of the strengthened silk-screen glass into a silk-screen printing table, setting a required pattern, and centrally and symmetrically arranging the pattern and the strengthened silk-screen glass;

and step 3: starting a motor in the control system to enable the printing pattern to coincide with four sides of the strengthened silk-screen glass, and finishing primary silk-screen;

and 4, step 4: after the preliminary screen printing is finished, the silk-screen-printed reinforced screen printing glass is sent into an oven to be deepened and solidified, and then is sent into a screen printing machine to be subjected to screen printing for multiple times.

The coating ink is environment-friendly ink.