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Cements a polymerization under the action of an ionic is taken with water, glass compositions for their preparation and to control their
Cements a polymerization under the action of an ionic is taken with water, glass compositions for their preparation and to control their
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机译:水泥在离子的作用下与水,玻璃组合物进行聚合,以制备并控制其
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摘要
In a water soluble glass composition for effecting cross-linking of a polycarboxylic acid cement, typically polyacrylic acid, the glass is treated with phosphorus pentoxide or a phosphate containing material. This inhibits the initial setting stage of the cement and thus prolongs the period within which the cement can be worked. The glass may be of the zinc oxide/boric oxide/alumina type or of the fluoroaluminoborosilicate type.
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