Influence of Tabletting Speed on Compactibility and Compressibility of Two Direct Compressible Powders under High Speed Compression
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概要
- 論文の詳細を見る
To examine the influence of tabletting speed on compactibility and compressibilty under high speed compression, two direct compressible powders, α-lactose monohydrate and microcrystalline cellulose of different particle size ranges were compressed using an instrumented rotary press with varying tabletting speed and compression force. The maximum applied force and total time during compression (contact time) were determined from a time-force profile, and the relation between these parameters and properties of compacts was examined. For all lactose tablets, the porosity and tensile strength of compacts were less affected by compression rate though they depended on the applied force. However, the properties of microcrystalline cellulose tablets were varied depending on the tabletting speed in addition to the applied force. In an attempt to quantitatively evaluate the effect of compression rate on the compactibility, an empirical equation was derived from the numerical analysis of the experimental data. The compactibility parameters deduced from the equation well elucidated the effect of tabletting speed on the properties of microcrystalline cellulose tablets and lactose tablets made of various particle size powders.
- 社団法人日本薬学会の論文
- 1990-07-25
著者
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吉野 廣祐
Pharmaceutics Research Laboratory Tanabe Seiyaku Co. Ltd.
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吉野 広祐
田辺製薬
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平川 善行
Pharmaceutics Research Laboratory Tanabe Seiyaku Co. Ltd.
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平川 善行
Faculty Of Pharmaceutical Sciences Kyushu University
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石野 隆三
Pharmaceutics Research Laboratory, Tanabe Seiyaku Co., Ltd.,
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石野 隆三
Products Formulation Research Laboratory, Tanabe Seiyaku Co., Ltd.,
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吉野 廣祐
Products Formulation Research Laboratory, Tanabe Seiyaku Co., Ltd.,
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平川 善行
Products Formulation Research Laboratory, Tanabe Seiyaku Co., Ltd.,
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野田 和夫
Products Formulation Research Laboratory, Tanabe Seiyaku Co., Ltd.,
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野田 和夫
Pharmaceutics Research Laboratory Tanabe Seiyaku Co. Ltd.
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石野 隆三
Pharmaceutics Research Laboratory Tanabe Seiyaku Co. Ltd.
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