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Protective coating for glass manufacturing and processing into articles

A technology for glass products and protective coatings, used in glass manufacturing equipment, manufacturing tools, glass/slag layered products, etc., can solve problems such as leaving adhesives

Inactive Publication Date: 2011-07-13
CORNING INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another problem with adhesive-backed films is the potential for adhesive residue to be left on the glass surface

Method used

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  • Protective coating for glass manufacturing and processing into articles
  • Protective coating for glass manufacturing and processing into articles
  • Protective coating for glass manufacturing and processing into articles

Examples

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Embodiment Construction

[0030]The present invention relates to the use of protective coatings to reduce the finishing (i.e. edging, drilling, buffing, polishing) manufacture of glass intended for mobile or non-mobile display applications, such as cell phone covers and touch screens, using protective coatings cost. As used herein, the term "glass" refers to any glass that can be used in display applications, and in preferred embodiments refers to fusion-drawn glass and slot-drawn glass. In the present invention, fusion-drawn glass is used as an example of the present invention. Also, in this context, the terms "cutting" and "scoring and breaking" mean forming a large sheet of glass, using a saw or water jet to make it into smaller sheets or glass blanks [cutting], or using some kind of utensil (e.g. diamond or silicon carbide tipped utensils) to score the surface and divide the scored glass into smaller pieces [scoring and breaking], or by heating with a laser, with or without the use of air or liqui...

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PUM

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Abstract

The invention is directed to a method of protecting a glass surface during transportation and / or process using an aqueous solution of an acrylic material to protectively coat the surface of the glass sheet. The acrylic protective coating is applied by dipping, roller applying or spraying the coating on the glass using an aqueous solution of pH >= 9. The coating is then cured, dried or baked in an oven. Subsequently, the glass sheet is scored and separated into individual glass article blanks for further processing; for example, edge grinding to produce smooth edges and drilling / milling to produce openings such as holes in the surface of the glass. When processing of the glass article is completed, the protective coating can be removed or the article can be shipped to the end used who can remove the coating using an aqueous solution of pH > 12.

Description

[0001] Related Application Cross Reference [0002] This application claims priority under 35 U.S.C. §119(e) to U.S. Provisional Patent Application No. 61 / 123,713, filed April 10, 2008. technical field [0003] The present invention relates to a protective coating which can be applied to the surface of glass to protect the glass during transport and further processing into articles. Background technique [0004] Many applications of glass, including LCD glass, require a very clean glass surface that is substantially free of particles and organic contaminants. When the glass is exposed to the environment, the glass becomes quickly contaminated with organic pollutants, and contamination is observed within minutes. Current cleaning processes for cleaning LCD glass often include several steps and require the use of various chemicals. Accordingly, there is a need for a method of protecting glass surfaces from environmental contamination during manufacture, transportation and st...

Claims

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Application Information

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IPC IPC(8): C03C17/32
CPCC03B33/074B28D5/0011C03C2218/355B65G49/069C03C17/32Y10T428/24479Y10T428/24273C03C19/00B32B17/10B32B37/00
Inventor M·D·布拉迪M·X·乌扬Y·潘R·萨比亚Y·孙D·A·特玛罗王庆亚
Owner CORNING INC
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