Occurrence of Capping Due to Insufficient Air Escape during Tablet Compression and a Method to Prevent It
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概要
- 論文の詳細を見る
A study was made on the capping of tablets containing d-α-tocopheryl acid succinate. The study determined that capping occurs due to insufficient air escape from the granules during high-speed tablet compression. To prevent this, removal of air in the granules was necessary before tableting, and thus a degassing method by compaction was studied. In consideration of the long time required for the air to escape from the granules by compaction, a slow but continuous compacting force is thought to be more effective for degassing than an instantaneous high compression force. Consequently, a system to expel the air from the lubricated granules by compaction due to the weight of the upper punch itself was established before the pre-compression roller stage, and its effect was evaluated. This system achieved efficient degassing of the granules before tableting and completely prevented the capping of tablets containing d-α-tocopheryl acid succinate at a high concentration.
- 公益社団法人日本薬学会の論文
- 1995-10-15
著者
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武田 豊彦
塩野義製薬株式会社製造本部製剤試製部
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水田 泰一
塩野義製薬製造本部製剤試製部
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青木 義広
塩野義製薬株式会社製造本部製剤試製部
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谷野 忠嗣
塩野義製薬(株)製造本部製剤技術部
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谷野 忠嗣
塩野義製薬(株)工業技術研究所
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Tanino Tadatoshi
Department Of Pharmacy Kinki University
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谷野 忠嗣
Formulation Development Department of Manufacturing Division, Shionogi & Co., Ltd.,
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青木 義広
Formulation Development Department of Manufacturing Division, Shionogi & Co., Ltd.,
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古家 喜弘
Formulation Development Department of Manufacturing Division, Shionogi & Co., Ltd.,
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佐藤 耕治
Formulation Development Department of Manufacturing Division, Shionogi & Co., Ltd.,
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武田 豊彦
Formulation Development Department of Manufacturing Division, Shionogi & Co., Ltd.,
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水田 泰一
Formulation Development Department of Manufacturing Division, Shionogi & Co., Ltd.,
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古家 喜弘
塩野義製薬株式会社製剤研究部
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佐藤 耕治
塩野義製薬株式会社製造本部製剤試製部
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