首页>
外国专利>
Gel for phenol-cresol- and xylenol-resinous cements - contg. sulphuric acid and/or p-toluene sulphonic acid hydrate, silicic acid and water, esp. for ceramic tiles
Gel for phenol-cresol- and xylenol-resinous cements - contg. sulphuric acid and/or p-toluene sulphonic acid hydrate, silicic acid and water, esp. for ceramic tiles
展开▼
机译：用于苯酚-甲酚和二甲苯酚树脂的胶凝剂-续硫酸和/或对甲苯磺酸水合物，硅酸和水，尤其是用于瓷砖
展开▼
页面导航
摘要
著录项
相似文献
摘要
A gel for phenol-, cresol and xylenol-resinous cements comprises a mixt. of 17.6-23 wt. % of 74% sulphuric acid and/or 68-13 wt. % p-toluene sulphonic acid (PTSA) hydrate, 7-13 wt. % amorphous silicic acid and 25-54 wt. % water. Also claimed is the hardening of phenol-, cresol- and xylenol- resinous cements by reacting a resin mixt., quartz, graphite, talc etc. and sulphuric acid, the novelty being that a sulphuric acid bound hard gel from PTSA and amorphous silicic acid is used. USE/ADVANTAGE - Used esp. for acid protection construction. The obtd. hard gels are suitable for the prodn. of ceramic tiles for producing chemical resistant walls. The gels are easily prepd. and can be transported to the worksite and processed there, without producing health impairment due to toxic reactions, etc. The resinous cements show uniform hardening and the prodn. of toxic chemicals is inhibited, giving an environmentally friendly working method
展开▼
