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Thermal Transformations in Hardening Compositions Based on Hydroxyapatite, Monocalcium Phosphate Monohydrate, and Polymeric Binders
Glass and Ceramics ( IF 0.6 ) Pub Date : 2020-11-04 , DOI: 10.1007/s10717-020-00283-8
O. N. Musskaya , V. K. Krut’ko , A. I. Kulak , T. V. Safronova , T. B. Shatalova

Hardening composite materials based on calcium phosphates (hydroxyapatite, monocalcium phosphate monohydrate) and polymer binders (polyvinyl alcohol, polyvinylpyrrolidone) were obtained. It was found that the amount of brushite and tricalcium phosphate grows with increasing calcium acid phosphate content in the composition. The introduction of polymeric binders into the composition of hardening composite materials promotes growth of their mechanical strength and inhibition of structural-phase transformations of calcium phosphates at 800°C. Compositions based on 5% solutions of polymers and powders of hydroxyapatite or its mixtures with weight content 10 – 40% monocalcium phosphate monohydrate can be used as a consumable for 3D printing of calcium phosphate biomaterials and ceramic.



中文翻译:

基于羟基磷灰石,一水合磷酸一钙和聚合物粘合剂的硬化组合物中的热转变

获得了基于磷酸钙(羟基磷灰石,磷酸一钙一水合物)和聚合物粘合剂(聚乙烯醇,聚乙烯吡咯烷酮)的硬化复合材料。已发现透钙磷石和磷酸三钙的量随着组合物中酸性磷酸钙含量的增加而增加。将聚合物粘合剂引入硬化复合材料的组合物中可促进其机械强度的增长,并抑制磷酸钙在800°C的结构相转变。基于5%羟基磷灰石的聚合物和粉末溶液或其混合物(重量含量为10 – 40%一水合磷酸氢钙)的组合物可用作磷酸钙生物材料和陶瓷3D打印的消耗品。

更新日期:2020-11-04
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