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目的 :探索新材料在镇痛灵粘贴膏中的应用及制订出镇痛灵粘贴膏的质量标准。方法 :进行粘性强度测试、抗老化试验、剥离强度测试、含膏量试验、耐热试验、耐寒试验。结果 :粘性强度为 2 .3 7g/ s;温度在( 3 0~ 60 )℃ ,相对湿度在 85 %区间内粘性不变 ,此后每增加 10℃或 10 %湿度时 ,粘性呈下降趋势 ;剥离强度值为 0 .5± 0 .1kg/ cm2 ,比橡皮膏剥离值小 ( 1.8± 0 .2 kg/ cm2 ) ;每 10 0 cm2 含膏量不低于 1.6g。结论 :镇痛灵粘贴膏采用高分子胶粘剂作基质 ,可达到反复粘贴 ,药物释放快 ,透皮吸收好 ,疗效确切。通过质量控制试验 ,该粘贴膏质量可控 ,具有安全有效
Objective: To explore the application of new materials in Zhentongling paste and formulate the quality standard of Zhentongling paste. Method: Tack strength test, anti-aging test, peel strength test, paste-containing test, heat-resistance test, cold-resistance test. Result: The viscous strength was 2.3 7g/s; the temperature was in the range of (30-60)°C and the relative humidity was in the 85% interval. After that, the viscosity was decreased with every 10°C or 10% humidity; The strength value is 0.5 ± 0.1 kg/cm2, which is smaller than the peeling value of the adhesive plaster (1.8 ± 0.2 kg/cm2). The paste content per 100 cm2 is not less than 1.6 g. Conclusion: Zhentongling paste is made of macromolecule adhesive as matrix, which can achieve repeated paste, rapid drug release, good transdermal absorption and exact curative effect. Through quality control tests, the quality of the paste is controllable and it is safe and effective.