聚乙烯醇主要用于局部用药及眼用制剂中;见表II[1~3]。聚乙烯醇可用作乳剂中的稳定剂[0.25%~3.0%(W/V)]。聚乙烯醇还用作黏性制剂如眼用产品的增粘剂。聚乙烯醇用于人工眼泪、隐形眼镜溶液中起润滑作用,也用于口服缓释制剂[4]及透皮贴剂[5]中。聚乙烯醇也可与戊二醛溶液混合制成微球[6]。[7]
表II 聚乙烯醇的用途
用途
|
浓度/%
|
乳剂
|
0.5
|
眼用制剂
|
0.25~3.00
|
局部用洗剂
|
2.5
|
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[3] Anonymous. New method of ocular drug delivery launched Pharm J 1993;250:174.
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[7] R.C.罗,P.J.舍斯基,P.J.韦勒.药用辅料手册[M].北京:化学工业出版社,2005.