Sichuan Huili Industry Co., Ltd.

Xiaocong Pu

Jinzhi Bai

Yan Jiang

Daiguo Zhao

Wanling Lan

Daiqun Yuan

Xinxing Zhu

Zhongming Li

The present disclosure discloses the composite film of oral liquid pharmaceutical packaging and the preparation method, the composite film comprises a polyester layer, an aluminum foil layer and a heat-sealing layer; the polyester layer and the aluminum foil layer, and the aluminum foil layer and the heat-sealing layer are both bonded with an adhesive agent; the adhesive agent is an aqueous polyurethane prepared from an aqueous polyurethane emulsion, citric acid, acetic acid and zirconium carbonate amine with a mass ratio of 100:1:1:10˜15. The present disclosure adopts carboxylic acid type aqueous polyurethane emulsion, citric acid, acetic acid and zirconium carbonate amine to prepare aqueous polyurethane, the zirconium metal can form stable complex system with citric acid, acetic acid and aqueous polyurethane emulsion, so that aqueous polyurethane emulsion can be demulsified and cured rapidly, shortening curing time, reducing curing temperature.

Composite film of oral liquid pharmaceutical packaging and preparation method

Growing community of inventors

Sichuan, China

Xiaocong Pu