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Cellulose-based PFC-free Functional Surface Finish


Detailed Technology Description

Traditionally, water-repellent surface finishes are achieved by using perfluorochemicals (PFCs), which are toxic chemicals hazardous to humans and the environment. This entry is a new water-repellent surface finish using natural and recycled materials obtained from textile waste, which is a safer alternative to PFCs on textiles. The project has developed a novel water-repellent surface finish that makes use of PFC-free recycled cellulose material through a two-step chemical process: firstly, a hydrophobic modification of the recycled cellulose powders to make them water repellent; secondly, adding functional additives to improve the washing durability properties of the fabric.

Gold Medal with Congratulations of the Jury in Special Edition 2021 Inventions Geneva Evaluation Days


Type of Cooperation

Licensing


Countries

EEC
USA
PCT


Application Date

2020-02-18
2020-02-18
2020-02-18


Application No.

EP20157890.3
16/792,946
PCT/CN2020/075646


Country/Region

Hong Kong

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