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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 内容类型：专利     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Preparing weakly basic aromatic amines azo disperse dye involves preparing and pre-treating dispersion of coupling component, and carrying out coupling reaction. 专利 申请日期: 2016-01-01, 公开日期: 2016-03-09 作者:  JU B TANG B ZHANG S QIU J 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/09 Alkaline aromatic amine diazotization waste acid treatment method involves taking weak alkaline amine and diazotization reagent, adding concentrated sulfuric acid and organic solvent, mixing, and adding diazonium salt stabilizer. 专利 申请日期: 2016-01-01, 公开日期: 2016-02-17 作者:  JU B TANG B ZHANG S QIU J GAO Z 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/09 Preparation of weakly basic aromatic amine diazonium salt used for preparing tertiary-type weakly basic aromatic amine azo dyes, involves taking alkaline aromatic amine solution, reacting and carrying out solid-liquid separation. 专利 申请日期: 2015-01-01, 公开日期: 2015-09-23 作者:  JU B TANG B ZHANG S QIU J 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/09 Method for recovering diazonium salt stabilizer involves coupling solid diazonium double salt and coupling component in aqueous solution of diazonium salt stabilizer, adjusting pH using sodium hydroxide, filtering, and concentrating. 专利 申请日期: 2015-01-01, 公开日期: 2015-12-16 作者:  JU B TANG B ZHANG S QIU J 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/09