合成材料老化与应用2025，Vol.54Issue(2)：1-3,28,4.
RTM成型用聚氨酯树脂性能研究
Study on the Properties of Polyurethane Resin for RTM Molding
王娜 1洪星星 1刘素娟 1常雪梅 1刘宁 1包艳玲 1阮英波1
作者信息
- 1. 西安航天复合材料研究所,陕西省航天复合材料重点实验室,西安市先进聚合物基复合材料重点实验室,陕西西安 710025
- 折叠
摘要
Abstract
Resin transfer molding(RTM)polyurethane composites are widely used in aerospace,new erengy wind blades,automobiles and other fields,but the polyurethane resin matrix still has some problems such as high reactivity,short operation time and low mechanical strength,which makes the composite products have certain limitations in the processing process.In this paper,carbon fiber reinforced polyurethane resin composite(carbon fabric/PUF composite)was prepared by RTM process using self-made polyurethane(PUF)as resin matrix and 3K forged carbon fabric as the reinforcement material.The RTM process characteristics of the PUF resin and the properties of the resin casting were investigated,and the performance of the carbon fabric/PUF composite was analyzed.The results indicate that the PUF resin meets the requirements of the RTM molding process,achieving a gel time of 120 minutes at 30 ℃;The tensile strength,tensile modulus,elongation at break,and glass transition temperature(Tg)of the casting at room temperature are 92 MPa、3.5 GPa、4.68％and 125 ℃,respectively;When the fiber volume fraction of the carbon fabric/PUF composite reaches 57％,its Tg and shear strength reach 127 ℃ and 61 MPa,respectively.关键词
RTM工艺/聚氨酯/碳纤维增强复合材料Key words
resin transfer molding(RTM)process/polyurethane/carbon fiber reinforced composite分类
通用工业技术引用本文复制引用
王娜,洪星星,刘素娟,常雪梅,刘宁,包艳玲,阮英波..RTM成型用聚氨酯树脂性能研究[J].合成材料老化与应用,2025,54(2):1-3,28,4.
