专利名称：Set retarder for hydraulic tting
compositionsvis系统
发明人：WINKLER, MARIA,ETSCHMANN, FRANZ 申请号：EP08007106.1
申请日：20080410
鳝鱼门公开号：EP2108628A1
疗休养
公开日：
描写春天美景的诗句
20091014
专利内容由知识产权出版社提供
摘要：Gypsum composition compris: 100 wt.% of gypsum as a dry substance; and 0.001-0.5 wt.% of hardening retarder, relative to dry substance, where the hardening retarder is at least a simple adduct retardant and/or condensate produced by the reaction of (a) at least one protein hydrolysate, a pure amino acid, amino acid mixtures and/or their hydrochlorides with (b) at least one mono-, di-, oligo- and/or poly-carboxylic acid that is not derived from an amino acid and/or derived from carboxylic acid derivatives. Gypsum composition compris: 100 wt.% of gypsum as a dry substance; and 0.001-0.5 wt.% of hardening retarder, relative to dry substance, where: the hardening retarder is at least a simple adduct retardant and/or condensate produced by the reaction of (a) at least one protein hydrolysate, a pure amino acid, amino acid mixtures and/or their hydrochlorides with (b) at least one mono-, di-, oligo- and/or poly-carboxylic acid that is not derived from an amino acid and/or derived from carboxylic acid derivatives; and the carboxylic acid derivative is carboxylic acid anhydrides, carboxylic acid halides and/or carboxylic acid active esters. An independent claim is included for producing the composition comprising adding the hardening retarder before, during and/or after mixing the gypsum.
申请人：TRICOSAL GMBH & CO. KG
施工进度计划表范本地址：Von-Helmholtz-Stras 1 89257 Illertisn DE 国籍：DE
代理机构：Pfenning, Meinig & Partner GbR
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