碳纤维布增强的改性含硅芳炔树脂基复合材料的制备和性能

doi:10.11901/1005.3093.2017.626

材料研究学报

2018, Vol. 32

Issue (6): 464-472 DOI: 10.11901/1005.3093.2017.626

研究论文

本期目录 | 过刊浏览

碳纤维布增强的改性含硅芳炔树脂基复合材料的制备和性能

杨唐俊, 董斯堃, 袁荞龙(

), 黄发荣

华东理工大学特种功能高分子材料及相关技术教育部重点实验室上海 200237

Preparation and Properties of Modified Silicon-containing Arylacetylene Resin Composite Reinforced by Carbon Fiber Cloth

Tangjun YANG, Sikun DONG, Qiaolong YUAN(

), Farong HUANG

Key Laboratory for Specially Polymeric Materials and Related Technology of the Ministry of Education , East China University of Science and Technology, Shanghai 200237, China

引用本文:

杨唐俊, 董斯堃, 袁荞龙, 黄发荣. 碳纤维布增强的改性含硅芳炔树脂基复合材料的制备和性能[J]. 材料研究学报, 2018, 32(6): 464-472.
Tangjun YANG, Sikun DONG, Qiaolong YUAN, Farong HUANG. Preparation and Properties of Modified Silicon-containing Arylacetylene Resin Composite Reinforced by Carbon Fiber Cloth[J]. Chinese Journal of Materials Research, 2018, 32(6): 464-472.

全文: PDF(2505 KB) HTML

摘要:

先合成双酚A型含硅芳炔醚(SAPE-BA)和二苯醚型含硅芳炔醚(SAPE-DPE)树脂并表征其结构,再将其与含硅芳炔树脂(PSA)共混得到改性树脂PSA/SAPE-BA和PSA/SAPE-DPE,用热模压法制备碳纤维布增强的改性PSA树脂基复合材料,研究了改性PSA树脂的加工工艺性能、热性能、力学性能和复合材料的力学性能。结果表明,与PSA树脂相比,改性PSA树脂不但具有较好的加工性能,还具有较好的耐热性能。两种改性PSA树脂的玻璃化转变温度(T_g)都高于500℃,在氮气中5%热失重温度(T_d5)分别达550℃和590℃;这两种改性树脂浇注体的弯曲强度分别提高了78.3%和54.2%;碳纤维布T300增强PSA/SAPE-BA共混树脂基复合材料的弯曲强度和层间剪切强度(ILSS)分别提高了38.4%和33.5%;碳纤维布T300增强PSA/SAPE-DPE树脂复合材料的弯曲强度和ILSS分别提高了23.4%和21.8%。

关键词 ：复合材料, 含硅芳炔醚树脂, 含硅芳炔树脂, 共混, 力学性能

Abstract：

Silicon-containing aryl propargyl ether of bisphenol A (SAPE-BA) and silicon-containing aryl propargyl ether of diphenyl ether (SAPE-DPE) were synthesized and characterized. Then they were used to modify the silicon-containing arylacetylene resin (PSA) respectively by blend process. The modified PSA resins (PSA/SAPE-BA and PSA/SAPE-DPE) were reinforced with T300 carbon fabric to form composites of PSA resins by hot press. The processability, thermal stability, and the mechanical properties of the modified resins and their composites were further investigated. Results show that the modified PSA resins have not only good processing performance, but also high heat-resistance. In comparison with the cured simple PSA resin, the temperature at which 5% mass loss (T_d5) of the two cured modified PSA resins in nitrogen were higher than 550℃ and 590℃, respectively, and the T_g of the cured modified PSA resins were higher than 500℃; The flexural strength of the cured modified resins, PSA/SAPE-BA and PSA/SAPE-DPE increased by 78.3% and 54.2%, respectively. While in comparison with the composite of T300 carbon fabric (T300CF) reinforced simple PSA, the flexural strength and interlayer shear strength (ILSS) of the composite of T300 carbon fabric (T300CF) reinforced PSA/SAPE-BA resin increased by 38.4% and 33.5%, and the flexural strength and ILSS of the composite of T300CF reinforced PSA/SAPE-DPE resin increased by 23.4% and 21.8%, respectively.

Key words： composites silicon-containing aryl propargyl ether silicon-containing arylacetylene blend mechanical property

收稿日期: 2017-10-20

ZTFLH:

TB332

基金资助:中央高校基本科研业务费专项资金(222201717001)

作者简介:

作者简介杨唐俊,男,1991年生,硕士

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https://www.cjmr.org/CN/10.11901/1005.3093.2017.626 或 https://www.cjmr.org/CN/Y2018/V32/I6/464

图1 SAPE-BA树脂的合成

图2 SAPE-DPE树脂的化学结构

图3 含硅芳炔醚氢核磁(1H NMR)谱图

图4 含硅芳炔醚树脂的红外谱图

图5 改性PSA树脂体系在110℃黏时特性

表1 SAPE改性PSA树脂在170℃下的凝胶时间

图6 SAPE-BA改性和SAPE-DPE改性PSA树脂的DSC曲线

表2 SAPE-BA改性PSA树脂的DSC数据

表3 SAPE-DPE改性PSA树脂的DSC数据

图7 SAPE-BA改性和SAPE-DPE改性PSA树脂固化物的TGA曲线

表4 SAPE-BA改性PSA树脂固化物的TGA数据

表5 SAPE-DPE改性PSA树脂固化物的TGA数据

图8 SAPE树脂的热固化机理

图9 PSA树脂的热固化机理

图10 SAPE改性PSA树脂的弯曲性能

图11 PSA树脂与SAPE树脂的炔基交联反应

图12 PSA/SAPE-BA20和PSA/SAPE-DPE15改性PSA树脂DMA曲线

表6 T300碳布增强改性PSA复合材料力学性能

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