Title:
COMPOSITION FOR SUPPORT STRUCTURE IN 3D INKJET PRINTING AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/120809
Kind Code:
A1
Abstract:
Provided are a composition for a support structure in 3D inkjet printing and a preparation method therefor. The composition for a support structure in 3D inkjet printing comprises the following components based on the total weight of the composition: 18-40 parts by weight of a light-curable bulk material, 2-30 parts by weight of a functional reaction-promoting material, a non-curable water-miscible material, a photoinitiator, and an auxiliary agent. The functional reaction-promoting material comprises a carboxyl group and a reactive hydrogen in a molecular structure thereof, the reactive hydrogen being capable of reacting with a peroxy free radical. Also provided is a preparation method for the composition. The composition has a significantly increased conversion rate in a light-curing reaction, and the light-cured product thereof has a significantly accelerated dissolution rate in an alkaline solution while possessing an enhanced support strength.
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Inventors:
YU JIA (CN)
YANG QIANCHENG (CN)
YANG QIANCHENG (CN)
Application Number:
PCT/CN2020/121051
Publication Date:
June 24, 2021
Filing Date:
October 15, 2020
Export Citation:
Assignee:
ZHUHAI SAILNER 3D TECH CO LTD (CN)
International Classes:
C08L71/02; B29C64/40; B33Y10/00; C08L51/08
Domestic Patent References:
| WO2018149758A1 | 2018-08-23 |
Foreign References:
| CN107501477A | 2017-12-22 | |||
| CN106660266A | 2017-05-10 | |||
| CN108136677A | 2018-06-08 | |||
| CN105924882A | 2016-09-07 | |||
| CN111004491A | 2020-04-14 | |||
| CN201911325181A | 2019-12-20 | |||
| CN108136677A | 2018-06-08 | |||
| CN103524332A | 2014-01-22 |
Other References:
See also references of EP 4047056A4
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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