Title:
METHOD FOR PREPARING ANTIBACTERIAL AND FRESHNESS-RETAINING PACKAGING MATERIAL FOR FRUITS BY USING 3D PRINTING TECHNOLOGY
Document Type and Number:
WIPO Patent Application WO/2024/046488
Kind Code:
A1
Abstract:
A method for preparing an antibacterial and freshness-retaining packaging material for fruits by using the 3D printing technology, relating to the field of food processing. The method comprises the steps of: respectively dissolving gum arabic and pullulan in deionized water to obtain a gum arabic solution and a pullulan solution, culturing probiotics and then centrifuging and resuspending same to obtain a bacterial solution, and finally, mixing the bacterial solution with the gum arabic solution and the pullulan solution to obtain a core layer solution; mixing polyvinyl chloride, a modifier and a plasticizer to obtain a shell layer solution; respectively injecting the shell layer solution and the core layer solution into an injector, the propulsion rate of the shell layer solution being greater than the propulsion rate of the core layer solution, and finally obtaining a coaxially printed product having a core-shell structure; then only printing the shell layer solution on the outer layer of the coaxially printed product by using the single-axis 3D printing technology to obtain an antibacterial and freshness-retaining packaging material having an inner and outer double-layer structure, the inner layer keeping fruits fresh and the outer layer protecting the fruits. A significant technical effect is achieved.
Inventors:
HUANG XIAOWEI (CN)
LI ZHIHUA (CN)
DOU LIUZI (CN)
ZOU XIAOBO (CN)
SHI JIYONG (CN)
YANG ZHIKUN (CN)
CEN SHAOYI (CN)
ZHANG JUNJUN (CN)
ZHANG NING (CN)
SUN WEI (CN)
LI ZHIHUA (CN)
DOU LIUZI (CN)
ZOU XIAOBO (CN)
SHI JIYONG (CN)
YANG ZHIKUN (CN)
CEN SHAOYI (CN)
ZHANG JUNJUN (CN)
ZHANG NING (CN)
SUN WEI (CN)
Application Number:
PCT/CN2023/118762
Publication Date:
March 07, 2024
Filing Date:
September 14, 2023
Export Citation:
Assignee:
UNIV JIANGSU (CN)
International Classes:
C08L5/02; B29C64/106; B29C64/209; B29C64/314; B29C64/336; B65D65/40; C08L5/00; C08L23/08; C08L23/28; C08L27/06
Foreign References:
| CN115260604A | 2022-11-01 | |||
| CN108503901A | 2018-09-07 | |||
| CN106750569A | 2017-05-31 | |||
| CN110551709A | 2019-12-10 | |||
| CN111802636A | 2020-10-23 | |||
| EP3485918A1 | 2019-05-22 |
Attorney, Agent or Firm:
NANJING IPZHI INTELLECTUAL PROPERTYAGENCY CO., LTD. (CN)
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