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公开(公告)号:US4931099A
公开(公告)日:1990-06-05
申请号:US237961
申请日:1988-08-29
申请人: Jurgen Dobbers , Karl Reizlein , Kurt Bredtmann
发明人: Jurgen Dobbers , Karl Reizlein , Kurt Bredtmann
CPC分类号: E04F15/12 , C04B11/05 , C04B2111/62
摘要: A self-levelling mortar mixture containing anhydrite, activator salts, plasticizers, surfactants and water is improved by providing the anhydrite in the form of both coarse-grained particles and finely ground particles.
摘要翻译: 通过提供粗颗粒和细磨颗粒形式的无水石膏,改善了含有无水石膏,活化剂盐,增塑剂,表面活性剂和水的自流平砂浆混合物。
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公开(公告)号:US5348582A
公开(公告)日:1994-09-20
申请号:US63716
申请日:1993-05-20
CPC分类号: C04B24/22
摘要: The invention relates to mineral building materials which contain binders, optionally aggregates and at least one additive, characterized in that the additives used are compounds which are condensation products of substituted or unsubstituted diphenyl sulphones, formaldehyde and compounds from the group consisting of mononuclear or polynuclear, substituted or unsubstituted aromatic compounds, acid amides, urea, urea derivatives, substituted or unsubstituted aromatic ethers and imines.
摘要翻译: 本发明涉及含有粘合剂,任选的聚集体和至少一种添加剂的矿物建筑材料,其特征在于所用的添加剂是取代或未取代的二苯基砜,甲醛和来自单核或多核的化合物的缩合产物的化合物, 取代或未取代的芳族化合物,酰胺,脲,脲衍生物,取代或未取代的芳族醚和亚胺。
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