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Title:
POLYURETHANE ACRYLATE, PHOTOCURABLE MATERIAL, PREPARATION METHOD AND USE
Document Type and Number:
WIPO Patent Application WO/2023/078419
Kind Code:
A1
Abstract:
The present application discloses a polyurethane acrylate, a photocuring material, a preparation method and a use, and a method for fabricating an oral medical device. A polyether/polyester polyol soft segment having a special structure is introduced into the polyurethane acrylate, so that the polyurethane acrylate has the characteristics of low haze, high transmittance and high toughness. By combining bio-based polyurethane acrylate, high-strength aliphatic urethane acrylate, a monofunctional free radical acrylate monomer and a bifunctional free radical acrylate monomer, after curing, the photocurable material has a very suitable crosslinking density, good mechanical strength, good dimensional stability, excellent aging resistance, low haze, and high transmittance.

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Inventors:
QIN ZHANGYOU (CN)
Application Number:
PCT/CN2022/130021
Publication Date:
May 11, 2023
Filing Date:
November 04, 2022
Export Citation:
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Assignee:
GUANGZHOU HEYGEARS IMC INC (CN)
International Classes:
C08G18/42; B33Y70/00; C08F283/00; C08G18/48; C08G18/67
Domestic Patent References:
WO2019185342A12019-10-03
Foreign References:
CN114057975A2022-02-18
CN112063352A2020-12-11
CN102504223A2012-06-20
CN113105590A2021-07-13
US4605729A1986-08-12
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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