一种3D打印立体光刻快速成型光敏树脂的制备及性能研究  

Preparation withthe photosensitive resin for 3D printing stereolithography technique and study on its properties

作　　者：黄笔武[1] 谢王付 杨志宏[1] 

机构地区：[1]南昌大学材料科学与工程学院,南昌330031

出　　处：《功能材料》2014年第24期24100-24104,共5页Journal of Functional Materials

基　　金：国家高技术研究发展计划(863计划)资助项目(2002AA6Z3083);南昌市科技局基金资助项目(2013HZCG007)

摘　　要：报道了一种应用于3D打印立体光刻快速成型的3DPSL-1型光敏树脂制备方法,并对该光敏树脂性能进行了研究。研究结果表明,该光敏树脂透射深度(Dp)为0.14 mm,临界曝光量(EC)为14.1 m J/cm2,30℃时,黏度为359 m Pa·s。在25℃,3DPSL-1型光敏树脂密度为1.17 g/cm3,固化后的密度为1.21 g/cm3,固化体积收缩率为3.31%。该光敏树脂固化物样条拉伸强度为21.0 MPa,弹性模量为1 108.2 MPa,断裂伸长率为10.6%,该固化物的玻璃化温度为47℃。把该光敏树脂作为打印材料应用于3D打印立体光刻快速成型设备上制作了活动钳子这个零件,其制作效果较好。该光敏树脂的研制将对推动国内3D打印立体光刻快速成型技术的进一步发展起到较好的积极作用。The paper was reported that the method was prepared with 3DPSL-1 type photosensitive resin for 3D printing stereolithography technique,and the properties of the photosensitive resin were investigated.The main parameters of 3DPSL-1 type photosensitive resin are as follows:the penetration depth (Dp)was 0.14 mm,the critical exposure (Ec)was 14.1 mJ/cm2 ,and the viscosity at 30 ℃ was 359 mPa·s.At 25 ℃,3DPSL-1 photo-sensitive resin density was 1 .1 7 g/cm3 ,its UV-cured density was 1 .2 1 g/cm3 ,and the cured volume shrinkage rate was 3.31%.The mechanical property and thermal property of the UV-cured 3DPSL-1 type photosensitive resin were determined,giving 21.0 MPa of tensile strength,1 108.2 MPa of tensile modulus,10.6% of elonga-tion at break and 47 ℃ of glass transistion temperature.With 3DPSL-1 type photosensitive resin as the process-ing material,the part of a flexible pliers was fabricated by selecting the processing parameters of the stereo-lithography apparatus (HRPL-I),and the quality of the fabricated part was good.The preparation of the photo-sensitive resin will promote the further development of the domestic 3D printing stereolithography technique to play a positive role.

关 键 词：3D打印 立体光刻快速成型 光敏树脂 性能 紫外激光 

分 类 号：TN249[电子电信—物理电子学]