Wanhua Chemical Group Co., Ltd.

Wanhua Chemical (ningbo) Co., Ltd.

Wanhua Chemical (guangdong) Co., Ltd.

Yunling Liu

Xueshun Ji

Jiakuan Sun

Zhen Wang

Bin Zhang

Jie Zhang

Yunquan Jin

Nuo Xu

Haidong Jia

Weiguo Zhao

Yuyang Cao

Haimei Wang

Xiaoxiao Ji

Tianwen Zhou

Shan Liu

Disclosed by the present invention are an aqueous polyurethane functional mask substrate and an application thereof. Two kinds of water-based polyurethane dispersions are used as the main components of the mask substrate. The transdermal penetration and absorption of functional ingredients such as whitening, moisturizing and anti-aging ingredients in facial mask products are promoted by means of the special cross-linked structures of polyurethane films. During use, a mask is evenly applied to the face; and after the mask dries, the entire mask may be removed directly or removed after being moistened using water. The mask substrate according to the present invention is also applicable to body masks such as a hand mask, a neck mask and a back mask.

Aqueous polyurethane functional mask substrate and application thereof

A self-crosslinkable polyurethane or polyurethane-urea aqueous dispersion, a preparation method therefor, and a use thereof. Side chains of the polyurethane or polyurethane-urea contain non-sterically-hindered siloxy groups. During the drying and activation of the aqueous dispersion, the siloxys in the side chains are hydrolyzed and crosslinked with each other to increase the cross-linking density, significantly improving the heat resistance, the humidity resistance, and other properties of an adhesive obtained therefrom. The aqueous dispersion itself has a good stability. In addition, an application system based thereon has an excellent stability and a long storage time. The aqueous dispersion is suitable for the preparation of high quality paints and sealants, especially adhesives.

Polyurethane or polyurethane-urea aqueous dispersion, preparation method therefor, and use thereof

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Shandong, China

Yunling Liu