Lead-free glass printing ink for automobile toughened glass and preparation method of printing ink

A lead-free glass and automotive steel technology, applied in the field of automotive glass ink, can solve problems such as easy damage to nerves, digestive system and kidneys, human lead poisoning, restrictions on the use of lead-containing glass and lead-containing glass ink, and reduce the thermal expansion coefficient. , The effect of improving acid and alkali resistance and connecting closely to each other

Inactive Publication Date: 2019-07-19
郑州知淘信息科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PbO is a toxic substance that can easily damage the human body's hematopoiesis, nerves, digestive system and kidneys, causing lead poisoning in the human body; with the implementation of the national environmental protection policy and the enhancement of people's environmental protection awareness, the use of leaded glass and leaded glass inks has been restricted. limit

Method used

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  • Lead-free glass printing ink for automobile toughened glass and preparation method of printing ink

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Effect test

Embodiment 1

[0044] The automotive glass ink of the present embodiment uses the lead-free low-melting point glass powder, is made up of the component of following mol percentage: SiO 2 32.0%, B 2 o 3 15.7%, Bi 2 o 3 12.25%, ZnO23.4%, TiO 2 4.0%, Al 2 o 3 3.2%, Li 2 O2.2%, Na 2 O2.4%, CaO2.6%, ZrO 2 1.8%, Y 2 o 3 0.45%.

[0045] The preparation method of lead-free low-melting point glass powder for automotive glass ink of the present embodiment may further comprise the steps:

[0046] a) Take the chemical oxide or precursor (carbonate) raw material powder according to the above glass powder formula, mix it evenly, put it in a corundum crucible, put it into a high-temperature furnace, and raise the temperature to 1200°C at a rate of 15°C / min And keep it warm for 100 minutes to fully melt the glass to obtain a molten glass body, and then quickly pour the molten glass into deionized water for water quenching to obtain glass slag;

[0047] b) Put the glass slag obtained in st...

Embodiment 2

[0056] The automotive glass ink of the present embodiment uses the lead-free low-melting point glass powder, is made up of the component of following mol percentage: SiO 2 32.6%, B 2 o 3 15.1%, Bi 2 o 3 12.8%, ZnO22.8%, TiO 2 4.6%, Al 2 o 3 2.6%, Li 2 O2.8%, Na 2 O2.2%, CaO2.0%, ZrO 2 2.0%, Y 2 o 3 0.5%.

[0057] The preparation method of lead-free low-melting point glass powder for automotive glass ink of the present embodiment may further comprise the steps:

[0058] a) Take the chemical oxide or precursor (carbonate) raw material powder according to the above glass powder formula, mix it evenly, put it in a corundum crucible, put it into a high-temperature furnace, and raise the temperature to 1200°C at a rate of 15°C / min And keep it warm for 110 minutes to fully melt the glass to obtain a molten glass body, and then quickly pour the molten glass into deionized water for water quenching to obtain glass slag;

[0059] b) Put the glass slag obtained in step...

Embodiment 3

[0068] The automotive glass ink of the present embodiment uses the lead-free low-melting point glass powder, is made up of the component of following mol percentage: SiO 2 32.3%, B 2 o 3 15.4%, Bi 2 o 3 12.5%, ZnO23.15%, TiO 2 4.3%, Al 2 o 3 2.9%, Li 2 O2.5%, Na 2 O2.3%, CaO2.3%, ZrO 2 1.88%, Y 2 o 3 0.47%.

[0069] The preparation method of lead-free low-melting point glass powder for automotive glass ink of the present embodiment may further comprise the steps:

[0070] a) Take the chemical oxide or precursor (carbonate) raw material powder according to the above glass powder formula, mix it evenly, put it in a corundum crucible, put it into a high-temperature furnace, and raise the temperature to 1190°C at a rate of 15°C / min And keep it warm for 120 minutes to fully melt the glass to obtain a molten glass body, and then quickly pour the molten glass into deionized water for water quenching to obtain glass slag;

[0071] b) Put the glass slag obtained in s...

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Abstract

The invention relates to lead-free glass printing ink for automobile toughened glass and a preparation method of the lead-free glass printing ink. The glass printing ink is prepared from lead-free low-melting-point glass powder, an inorganic pigment, varnish and auxiliaries, and the lead-free low-melting-point glass powder is prepared from the following components in percentage by mole: SiO2 32.0%-32.6%, B2O3 15.1%-15.7%, Bi2O3 12.2%-12.8%, ZnO 22.8%-23.4%, TiO2 4.0%-4.6%, Al2O3 2.6%-3.2%, Li2O 2.2%-2.8%, Na2O 2.2%-2.4%, CaO 2.0%-2.6%, ZrO2 1.8%-2.0%, and Y2O3 0.45%-0.50%. The lead-free glassprinting ink has good storage property, printability, viscosity resistance, acid and alkali resistance and shielding property, and is suitable for being used as automobile toughened glass.

Description

technical field [0001] The invention belongs to the technical field of automotive glass inks, and specifically relates to a lead-free glass ink for automotive tempered glass, and also relates to a preparation method of the above-mentioned lead-free glass ink for automotive tempered glass. Background technique [0002] Automobile glass is an indispensable structural part in the accessories of automobile body. It is closely related to the appearance of the automobile and mainly plays a protective role; the front windshield of the automobile is laminated glass, the side window glass is tempered glass, and the rear windshield is generally equipped with electric heating wire. tempered glass. The rapid development of the automobile industry has promoted the growth of the automobile tempered glass industry, and also driven the research and development and demand of automobile tempered glass inks. [0003] Automotive tempered glass ink is a glass-ceramic slurry used on the edge of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/03C09D11/106C09D11/14C03C12/00C03C17/22
CPCC03C12/00C03C17/22C09D11/03C09D11/106C09D11/14
Inventor 魏晓峰
Owner 郑州知淘信息科技有限责任公司
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