Preparation of amorphous calcium phosphate and bio-compatible composition composed mainly thereof
专利汇可以提供Preparation of amorphous calcium phosphate and bio-compatible composition composed mainly thereof专利检索，专利查询，专利分析的服务。并且PURPOSE: To produce amorphous calcium phosphate having excellent biocompatibility and having physical properties similar to those of bone tissue, by reacting a Ca salt with PO
4 , and filtering and drying the reaction product at a low temperature.
CONSTITUTION: A reaction product obtained by the reaction of a Ca salt [e.g. Ca(NO
3 )
2 ] with a PO
4 salt [e.g. (NH
4 )
3 PO
4 ] in an aqueous medium at 10W12pH is filtered at -10W0°C, and is freeze-dried to obtain amorphous calcium phosphate [Ca
3 (PO
4 )
2 .xH
2 O]. The obtained amorphous calcium phosphate is added to an aqueous solution containing 10W60wt% curing agents selected from glycolic acid, lactic acid, glutamic acid, pantotheic acid, acrylic acid, their polymers, and a copolymer of the acids and ≤10wt% carboxylic acid. A bio-compatible composition suitable as a filler for filling the gap of a dental groove, a restoration material for alveolar bone, etc. can be produced by this process.
COPYRIGHT: (C)1986,JPO&Japio，下面是Preparation of amorphous calcium phosphate and bio-compatible composition composed mainly thereof专利的具体信息内容。
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