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LIQUID CHEMICAL FOR PREVENTING YELLOWING OF GLASS AND METHOD FOR PREVENTING YELLOWING OF GLASS

机译：防止玻璃发黄的液体化学品和防止玻璃发黄的方法

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摘要

PURPOSE: To provide liq. chemicals capable of easily and effectively preventing the yellowing of glass at a low cost. ;CONSTITUTION: In liq. chemicals for preventing the yellowing of glass made of an alkaline aq. soln. contg. Zn²⁺ and a Zn²⁺ masking agent, tartaric acid is used as the masking agent and the molar ratio between Zn²⁺ and tartaric acid is preferably regulated to 1:(0.2-7.0). The alkaline aq. soln. is preferably adjusted to pH 8.5-9.5.;COPYRIGHT: (C)1993,JPO&Japio

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公开/公告号JPH05213635A

专利类型
公开/公告日1993-08-24

原文格式PDF
申请/专利权人 ASAHI GLASS CO LTD;
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申请/专利号JP19920042439
发明设计人 HIROSE TAKANORI;KUDO TORU;
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申请日1992-01-31
分类号C03C23/00;
国家 JP
入库时间 2022-08-22 05:18:31

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