Inking process of automobile glass

A technology of automotive glass and glass ink, applied in the directions of ink, application, coating, etc., can solve the problem of rainwater acid corrosion of ink layer, and achieve the effect of reducing acid corrosion, good gloss, and wide sintering temperature range

Inactive Publication Date: 2019-12-13
陈圆圆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to overcome the problem that the ink layer of automobile glass in the prior art suffers from rainwater acid erosion for a long time, and provides an ink filling process for automobile glass

Method used

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  • Inking process of automobile glass
  • Inking process of automobile glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1 automobile glass ink technology, comprises the following steps:

[0030]1) Preparation of varnish: Add polyvinyl butyral to n-amyl alcohol solvent at a weight ratio of 1:30, heat up to 85°C in a water bath, stir until dissolved, and obtain varnish;

[0031] 2) Preparation of low-melting glass powder: take Bi by weight 2 o 3 30 parts, SiO 2 50 copies, B 2 o 3 15 parts, ZnO10 parts, Na 2 O10 parts, ZrO 2 3 parts, TiO 2 5 copies, Al 2 o 3 4 copies, K 2 CO 3 5 copies;

[0032] Put the weighed above-mentioned ingredients in a ceramic mortar, grind and mix them evenly, put them in a muffle furnace and melt them at 1160°C, anneal the molten glass at 550°C for 1 hour, and cool down to obtain a low-melting glass. The glass is pulverized and ground to a particle size of 10 μm to obtain low-melting glass powder;

[0033] 3) Preparation of glass ink: 60 parts by weight of low-melting glass powder, 30 parts of copper chrome black pigment, 35 parts of varni...

Embodiment 2

[0041] Embodiment 2 automotive glass ink technology, comprises the following steps:

[0042] 1) Preparation of varnish: Add polyvinyl butyral to n-amyl alcohol solvent at a weight ratio of 1:20, heat up to 85°C in a water bath, stir until dissolved, and obtain varnish;

[0043] 2) Preparation of low-melting glass powder: take Bi by weight 2 o 3 25 parts, SiO 2 30 copies, B 2 o 3 15 parts, ZnO5 parts, Na 2 O5 parts, ZrO 2 1 part, TiO 2 1 part, Al 2 o 3 2 copies, K 2 CO 3 1 copy;

[0044] Put the weighed above-mentioned ingredients in a ceramic mortar, grind and mix them evenly, put them in a muffle furnace and melt them at 1180°C, anneal the molten glass at 500°C for 3 hours, and cool down to obtain a low-melting point glass. The glass is pulverized and ground to a particle size of 5 μm to obtain low-melting glass powder;

[0045] 3) Preparation of glass ink: 60 parts by weight of low melting point glass powder, 20 parts of copper chrome black pigment, 35 parts of...

Embodiment 3

[0053] Embodiment 3 automotive glass ink technology, comprises the following steps:

[0054] 1) Preparation of varnish: Add polyvinyl butyral to n-amyl alcohol solvent at a weight ratio of 1:25, heat up to 90°C in a water bath, stir until dissolved, and obtain varnish;

[0055] 2) Preparation of low-melting glass powder: take Bi by weight 2 o 3 40 parts, SiO 2 40 copies, B 2 o 3 20 parts, ZnO8 parts, Na 2 O8 parts, ZrO 2 3 parts, TiO 2 3 copies, Al 2 o 3 5 copies, K 2 CO 3 3 copies;

[0056] Put the weighed above-mentioned components in a ceramic mortar, grind and mix them evenly, put them in a muffle furnace and melt them at 1200°C, anneal the molten glass at 520°C for 2 hours, and cool down to obtain a low-melting-point glass. The glass is pulverized and ground to a particle size of 10 μm to obtain low-melting glass powder;

[0057] 3) Preparation of glass ink: 70 parts by weight of low melting point glass powder, 25 parts of copper chrome black pigment, 40 par...

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Abstract

Relating to the technical field of glass, the invention discloses an inking process of automobile glass. The method includes the steps of: 1) preparation of varnish; 2) preparation of low-melting-point glass powder; 3) preparation of glass ink; 4) pretreatment of an automobile glass substrate: wiping the automobile glass substrate with acetone and then performing drying; 5) primary sintering: printing glass ink on the plane at the peripheral edge of the pretreated automobile glass substrate in a silk-screen printing mode to form an ink layer, and performing primary sintering; and 6) secondarysintering: spraying nitrogen with silicon carbide composite particles to the surface of the ink layer, performing secondary sintering, then taking out the product, and conducting cooling. The siliconcarbide layer with corrosion resistance is prepared on the surface of the automobile glass ink layer to increase the roughness of the automobile glass ink surface, thus endowing the surface of the automobile glass ink layer with super-hydrophobicity, preventing acid rainwater from contacting the surface of the ink layer, and prolonging the service life of the glass ink layer.

Description

technical field [0001] The invention relates to the technical field of automobile glass, in particular to an inking process for automobile glass. Background technique [0002] With the large-scale application of tempered glass in automobiles, automotive tempered glass inks have developed rapidly. Auto glass ink is a kind of black glass paste printed on the edge of the windshield of the car. It is mainly made of low melting point glass powder, inorganic pigment, varnish, dispersant, leveling agent and other additives, mixed, dispersed and ground. The ink is printed on the printing glass substrate by screen printing, and after drying and sintering, the other components in the ink are basically volatilized and decomposed, and the low-melting point glass powder and inorganic pigments are melted and covered on the windshield to form a black glass layer. It can prevent the chemical change of the glue bonding the windshield and the car body, shield the conductive silver paste, dec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/34C09D11/02C09D11/03C09D11/037C03C12/00C03C6/04
CPCC03C1/00C03C12/00C03C17/006C03C17/007C03C17/008C03C17/3441C03C2217/42C03C2217/452C03C2217/485C03C2218/119C03C2218/32C09D11/02C09D11/03C09D11/037
Inventor 陈圆圆
Owner 陈圆圆
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