交联聚维酮是水不溶性的片剂崩解剂或溶出剂,直接压片和干法或湿法制粒压片工艺中使用浓度为2%~5%[1-4]。交联聚维酮可迅速表现出高的毛细管活性和优异的水化能力,几乎无凝胶的倾向。研究表明,交联聚维酮颗粒的大小强烈影响热镇痛片的崩解性[5]。颗粒较大的交联聚维酮比较小的能发挥更快的崩解作用。交联聚维酮也用作溶解度促进剂。采用共蒸发技术,交联聚维酮可增加难溶性药物的溶解度。首先用适当的溶剂将药物吸附于交联聚维酮,然后将溶剂蒸发。这一技术可以获得更快的溶出速率。[6]
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