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Title:
PHOTOTHERMAL-CURING RESIN COMPOSITION, AND PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/024724
Kind Code:
A1
Abstract:
Provided in the present invention are a photothermal-curing resin composition, and a preparation method therefor and the use thereof. The resin composition comprises a combination of specific parts of a prepolymer, a monomer, a photoinitiator, a thermal initiator, fumed silica and a glass powder. By means of adding specific parts of the photoinitiator in conjunction with the thermal initiator, the completion rate of a curing reaction is increased, the resin composition is more thoroughly cured, and the residual monomer rate after curing is lower; and specific parts of the fumed silica and barium-containing glass powder are further added as fillers, such that the hardness, strength and wear resistance of the resin composition are effectively enhanced; therefore, a product resulting from the 3D printing of the finally obtained resin composition completely meets the requirements for being used as temporary crowns and bridges.

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Inventors:
ZHANG JIAXIN (CN)
LI HONGWEN (CN)
DUAN GUANGYUAN (CN)
XING LINLIN (CN)
Application Number:
PCT/CN2022/104492
Publication Date:
March 02, 2023
Filing Date:
July 08, 2022
Export Citation:
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Assignee:
AIDITE QINHUANGDAO TECH CO LTD (CN)
International Classes:
C08F283/10; A61L27/10; B33Y70/10; C08F2/48; C08F222/20; C08F222/34; C08F283/00; C08K3/22; C08K3/40; C08K7/26
Domestic Patent References:
WO2021030512A12021-02-18
WO2020209505A12020-10-15
Foreign References:
CN113717330A2021-11-30
US20200199267A12020-06-25
US20200253838A12020-08-13
CN106947034A2017-07-14
CN108912287A2018-11-30
CN108014021A2018-05-11
CN1212865A1999-04-07
US4264489A1981-04-28
CN202110985937A2021-08-26
CN106947034A2017-07-14
CN110128773A2019-08-16
CN108948280A2018-12-07
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
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