Title:
VIRUS PENETRATION BLOCKING OPERATING GOWN FILM
Document Type and Number:
WIPO Patent Application WO/2019/071774
Kind Code:
A1
Abstract:
A virus penetration blocking operating gown film, comprising: a virus penetration blocking thermoplastic polyurethane film that is attached onto upper and lower surfaces of a medical non-woven fabric by means of thermal compression bonding. The virus penetration blocking thermoplastic polyurethane film comprises the following components in percentage by mass: thermoplastic polyurethane: 82-85%; graphene: 6-10%; nano-silica: 7-9%; and nano-silver powder: 1-1.5%. The thermoplastic polyurethane comprises the following preparative raw materials: 50-55 parts of polyisocyanate; 20-25 parts of polyether diol; 18-22 parts of chitosan; 15-18 parts of ethylene glycol; and 4-6 parts of a stabilizer. By means of said approach, the film having a sandwich structure has the advantages of being excellent in virus blocking uniformity, high in protection level, excellent in air and moisture permeabilities, and excellent in environment friendliness.
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Inventors:
ZHOU XIFENG (CN)
Application Number:
PCT/CN2017/114917
Publication Date:
April 18, 2019
Filing Date:
December 07, 2017
Export Citation:
Assignee:
JIANGSU HONGYUAN NEW MATERIALS TECH CO LTD (CN)
International Classes:
C08L75/08
Foreign References:
| CN202050983U | 2011-11-30 | |||
| CN106221179A | 2016-12-14 | |||
| CN101495162A | 2009-07-29 | |||
| CN204109494U | 2015-01-21 | |||
| CN104403305A | 2015-03-11 | |||
| US6790926B1 | 2004-09-14 |
Attorney, Agent or Firm:
SUZHOU CHENGYI INTELLECTUAL PROPERTY AGENCY (SPECIAL GENERAL PARTNERSHIP) (CN)
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