Title:
INK MATERIAL USED FOR 3D PRINTING, PREPARATION METHOD AND USE
Document Type and Number:
WIPO Patent Application WO/2020/142888
Kind Code:
A1
Abstract:
An ink used for 3D printing, a preparation method and a use for the ink. The ink is a gel composed of α zein, 0-10% by weight of zein of a pore-forming agent, ethanol and water. The preparation method comprises: dissolving 10-50% by weight of zein in an aqueous solution containing 40-90% (v/v) ethanol, adding 0-10% by weight of zein of a pore-forming agent, allowing to stand at a constant temperature of 5-95°C for 1-10 days or stirring for 30 minutes-24 hours so as to obtain an ink material that may be used for 3D printing. The described method has mild conditions and simple operation, and the ink for 3D printing has good mechanical properties and biocompatibility. The described ink may be used in the field of biomedicine to prepare tissue engineering substitutes and hemostatic materials by means of 3D printing at room temperature.
Inventors:
WANG JINYE (CN)
WANG HUAJIE (CN)
WANG HUAJIE (CN)
Application Number:
PCT/CN2019/070746
Publication Date:
July 16, 2020
Filing Date:
January 08, 2019
Export Citation:
Assignee:
UNIV SHANGHAI JIAOTONG (CN)
JIAXING YAOJIAO MEDICAL DEVICE CO LTD (CN)
JIAXING YAOJIAO MEDICAL DEVICE CO LTD (CN)
International Classes:
C09D11/04; A61L15/32; A61L27/22; A61L31/14; B33Y80/00
Foreign References:
| CN107496994A | 2017-12-22 | |||
| US20170218228A1 | 2017-08-03 | |||
| JP2002179971A | 2002-06-26 | |||
| CN101171313A | 2008-04-30 | |||
| CN108912700A | 2018-11-30 |
Attorney, Agent or Firm:
SHANGHAI HENGHUI INTELLECTUAL PROPERTY AGENCY (CN)
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