Preparation and Properties of a 3D Printing Photosensitive Resin Based on Double Oligomer

BULLETIN OF THE CHINESE CERAMIC SOCIETY ›› 2021, Vol. 40 ›› Issue (6): 1997-2002.

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Preparation and Properties of a 3D Printing Photosensitive Resin Based on Double Oligomer

YOU Xiaoping^1,2, YU Xian^1,2, LIANG Wen^1,2

1. Hanyin Electronic Advanced Technology Innovation Laboratory, Xiamen University Tan Kah Kee College, Zhangzhou 363105, China;
2. School of Mechanical and Electrical Engineering, Xiamen University Tan Kah Kee College, Zhangzhou 363105, China

Received:2021-03-09 Revised:2021-04-02 Online:2021-06-15 Published:2021-07-08

Abstract

Abstract: With the development of UV curing 3D printing technology, it is very important to prepare photosensitive resin with low shrinkage and high gel content. The photosensitive resin was prepared by using pure acrylate (2 functionality, 2-AE) and urthane acrylate (6 functionality, 6-PUA) as prepolymer, tri (propylene glycol) diacrylate (TPGDA) and 2,4,6-trimethylbenzoyl diphenylphosphine oxide was as diluent and photoinitator, respectively. Shrinkage rate, gel content, viscosity and hardness were evaluating indicator.The photosensitive resin solution was prepared by orthogonal experiment and the sample was prepared by 3D printing. Taking shrinkage ratio, gel content, viscosity and hardness as evaluation indexes, the test results were analyzed by comprehensive balance method. The experiment results show that, the best combination is that ratio of two oligomers is 2∶1, the mass ratio of diluent is 57.6%, the mass ratio of photosensitizer is 3%. The performance parameters are: shrinkage rate 4.7%, gel content 96.6% (mass fraction), viscosity 105 mPa·s, Shore hardness 80 HD.

Key words: photosensitive resin, shrinkage rate, gel content, pure acrylate, urthane acrylate

CLC Number:

TQ630.4

YOU Xiaoping, YU Xian, LIANG Wen. Preparation and Properties of a 3D Printing Photosensitive Resin Based on Double Oligomer[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(6): 1997-2002.

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Preparation and Properties of a 3D Printing Photosensitive Resin Based on Double Oligomer

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