Title:
ANTIBACTERIAL PVA/STARCH BIODEGRADABLE THIN FILM AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/027603
Kind Code:
A1
Abstract:
An antibacterial PVA/starch biodegradable thin film, prepared by the following raw materials in parts by weight: 100 parts of PVA, 50-80 parts of starch, 30-42 parts of a plasticizer, 12-18 parts of PLA, 5-10 parts of a cross-linking modifier, and 3-7 parts of an antibacterial agent. Also disclosed is a preparation method therefor. By means of reasonable raw material proportioning, the prepared thin film has good mechanical properties, air tightness, water resistance, and antibacterial properties, and can be automatically degraded under natural conditions after being discarded, so that the environmental pollution pressure is relieved and the invention can be applied to various occasions.
Inventors:
CHEN CHANGPING (CN)
Application Number:
PCT/CN2020/107847
Publication Date:
February 10, 2022
Filing Date:
August 07, 2020
Export Citation:
Assignee:
NANJING WURUI BIODEGRADABLE NEW MATERIAL RES INSTITUTE CO LTD (CN)
International Classes:
C08L3/02; B29D7/00
Foreign References:
| CN101323678A | 2008-12-17 | |||
| CN110845832A | 2020-02-28 | |||
| CN101250765A | 2008-08-27 | |||
| CN110564089A | 2019-12-13 | |||
| JP2015039870A | 2015-03-02 | |||
| CN104530486A | 2015-04-22 |
Attorney, Agent or Firm:
JIANGSU PHAEDO LAW FIRM (CN)
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