Yellow resistant photosensitive resin for digital light processing 3D printing

被引：45

作者：

Cheng, Qingkui ^{[1
]}

Zheng, Yan ^{[1
]}

Wang, Tao ^{[1
]}

Sun, Dongli ^{[1
]}

Lin, Runxiong ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Coll Polymer Sci & Engn, Qingdao 266042, Shandong, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2020年 / 137卷 / 07期

关键词：

3D printing; digital light processing; photosensitive resin; polyurethane acrylates; MECHANICAL-PROPERTIES; FRACTURE-TOUGHNESS; COLOR STABILITY; PHOTOINITIATOR;

D O I：

10.1002/app.48369

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 [高分子化学与物理];

摘要：

Digital light processing (DLP) has been studied and developed in the field of three-dimensional (3D) printing in recent years due to its fast curing rate and high resolution. To reduce the cost and viscosity of the resin system, the aromatic polyurethane acrylates (PUAs) were used as oligomer. The matrix resin called PUH2 consists of oligomers (PUA, bisphenol A polyoxyethylene ether dimethyl acrylate) and active diluents (hydroxyethyl acrylate, hydroxyethyl methacrylate). However, the photosensitive resin containing aromatic isocyanate groups was easily yellowed under ultraviolet light. In this article, we developed a resin for DLP 3D printing with yellowing resistance, excellent mechanical properties and high heat resistance. The optimal ratio of 3DP-PUH2 resin was PUH2/TPO/RYOJI-292/dye/nanosilica = 100/5/0.4/0.01/0.1, and its viscosity was 500 cp, which is suitable for DLP 3D printing. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48369.

引用

页数：8

共 27 条

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Color stability, conversion, water sorption and solubility of dental composites formulated with different photoinitiator systems [J].