POWDER RELEASE AGENT FOR CRYSTAL GLASS SHEET AND METHOD FOR PRODUCING CRYSTAL GLASS SHEET
To provide a powder release agent for a crystal glass sheet, which can suppress the adhesion of talc-induced dirt to a crystal glass sheet, and a method for producing a crystal glass sheet.SOLUTION: A powder release agent 11 for a crystal glass sheet is used by adhering to the crystal glass sheet G1...
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Format | Patent |
Language | English Japanese |
Published |
26.01.2023
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Abstract | To provide a powder release agent for a crystal glass sheet, which can suppress the adhesion of talc-induced dirt to a crystal glass sheet, and a method for producing a crystal glass sheet.SOLUTION: A powder release agent 11 for a crystal glass sheet is used by adhering to the crystal glass sheet G1 in a firing process in which the crystal glass sheet G1 is fired to obtain the crystal glass sheet G2. The powder release agent 11 for a crystal glass sheet comprises denatured talc powder P with a heat loss ratio of 4.5% or less when heated at 1200°C for 2 hours. A method for producing the crystal glass sheet G2 includes a firing process in which the crystal glass sheet G1 is fired to obtain the crystal glass sheet G2. The powder release agent 11 for the crystal glass sheet is attached to the crystal glass sheet G1 in the firing process.SELECTED DRAWING: Figure 1
【課題】タルクを要因とした汚れが結晶化ガラス板に付着することを抑えることのできる結晶性ガラス板用粉末離型剤、及び結晶化ガラス板の製造方法を提供する。【解決手段】結晶性ガラス板用粉末離型剤11は、結晶性ガラス板G1を焼成して結晶化ガラス板G2を得る焼成工程において結晶性ガラス板G1に付着させて用いられる。結晶性ガラス板用粉末離型剤11は、1200℃、2時間の条件で加熱したときの加熱減量率が4.5%以下の変性タルク粉末Pを含有する。結晶化ガラス板G2の製造方法は、結晶性ガラス板G1を焼成して結晶化ガラス板G2を得る焼成工程を備える。焼成工程における結晶性ガラス板G1には、結晶性ガラス板用粉末離型剤11が付着される。【選択図】図1 |
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AbstractList | To provide a powder release agent for a crystal glass sheet, which can suppress the adhesion of talc-induced dirt to a crystal glass sheet, and a method for producing a crystal glass sheet.SOLUTION: A powder release agent 11 for a crystal glass sheet is used by adhering to the crystal glass sheet G1 in a firing process in which the crystal glass sheet G1 is fired to obtain the crystal glass sheet G2. The powder release agent 11 for a crystal glass sheet comprises denatured talc powder P with a heat loss ratio of 4.5% or less when heated at 1200°C for 2 hours. A method for producing the crystal glass sheet G2 includes a firing process in which the crystal glass sheet G1 is fired to obtain the crystal glass sheet G2. The powder release agent 11 for the crystal glass sheet is attached to the crystal glass sheet G1 in the firing process.SELECTED DRAWING: Figure 1
【課題】タルクを要因とした汚れが結晶化ガラス板に付着することを抑えることのできる結晶性ガラス板用粉末離型剤、及び結晶化ガラス板の製造方法を提供する。【解決手段】結晶性ガラス板用粉末離型剤11は、結晶性ガラス板G1を焼成して結晶化ガラス板G2を得る焼成工程において結晶性ガラス板G1に付着させて用いられる。結晶性ガラス板用粉末離型剤11は、1200℃、2時間の条件で加熱したときの加熱減量率が4.5%以下の変性タルク粉末Pを含有する。結晶化ガラス板G2の製造方法は、結晶性ガラス板G1を焼成して結晶化ガラス板G2を得る焼成工程を備える。焼成工程における結晶性ガラス板G1には、結晶性ガラス板用粉末離型剤11が付着される。【選択図】図1 |
Author | OKUMURA TETSUYA |
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DocumentTitleAlternate | 結晶性ガラス板用粉末離型剤、及び結晶化ガラス板の製造方法 |
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RelatedCompanies | NIPPON ELECTRIC GLASS CO LTD |
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SubjectTerms | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GLASS LIME, MAGNESIA MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL REFRACTORIES SLAG TREATMENT OF NATURAL STONE |
Title | POWDER RELEASE AGENT FOR CRYSTAL GLASS SHEET AND METHOD FOR PRODUCING CRYSTAL GLASS SHEET |
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