有机硅油改性水性酚醛的制备及其性能

doi:10.11901/1005.3093.2020.420

材料研究学报

2021, Vol. 35

Issue (9): 651-656 DOI: 10.11901/1005.3093.2020.420

研究论文

本期目录 | 过刊浏览

有机硅油改性水性酚醛的制备及其性能

鄢俊¹^,², 杨进¹^,²(

), 王涛¹^,², 徐桂龙¹^,², 李朝晖³

^1.华南理工大学轻工科学与工程学院制浆造纸国家重点实验室广州 510640
^2.华南理工大学造纸与污染控制国家工程研究中心广州 510640
^3.南方海洋科学与工程广东省实验室(珠海) 珠海 519082

Preparation and Properties of Aqueous Phenolic Resin Modified by Organosilicone Oil

YAN Jun¹^,², YANG Jin¹^,²(

), WANG Tao¹^,², XU Guilong¹^,², LI Zhaohui³

^1.School of Light Industry and Engineer, State Key Lab of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
^2.National Engineering Research Center of Papermaking and Pollution Control, South China University of Technology, Guangzhou 510640, China
^3.Guangdong Laboratory of South Ocean Science and Engineering (Zhuhai), Zhuhai 519082, China

引用本文:

鄢俊, 杨进, 王涛, 徐桂龙, 李朝晖. 有机硅油改性水性酚醛的制备及其性能[J]. 材料研究学报, 2021, 35(9): 651-656.
Jun YAN, Jin YANG, Tao WANG, Guilong XU, Zhaohui LI. Preparation and Properties of Aqueous Phenolic Resin Modified by Organosilicone Oil[J]. Chinese Journal of Materials Research, 2021, 35(9): 651-656.

全文: PDF(1456 KB) HTML

摘要:

以烯丙基聚氧化乙烯醚(PEO)和烯丙基缩水甘油醚(AGE)为原料，进行硅氢加成反应对有机硅油进行接枝改性，使其在水中具有分散性并引入了具有反应活性的环氧基团。使用红外光谱(FT-IR)和核磁共振氢谱(¹H-NMR)表征其结构，用示差扫描量热分析(DSC)和热重分析(TGA)表征改性硅油与水性酚醛树脂共混的稳定性和耐热性能。将有机硅改性酚醛树脂应用于机油滤纸，用扫描电镜(SEM)分析其微观形貌并探究其力学性能、耐油和耐高温性能。结果表明，PEO与AGE的摩尔比为3:1时共接枝有机硅在水中具有良好的分散性能，以5%的质量比与水性酚醛树脂共混复配后形成三维网络结构，具有良好的共混稳定性。通过浸渍增强的机油滤纸，其力学性能均有较大的提高。经过高温机油浸泡后的滤纸保持较高的力学性能，其挺度保持率、耐破度保持率和抗张强度保持率分别为55%、63%和87%。

关键词 ：有机高分子材料, 机油滤纸, 硅氢加成, 接枝改性, 酚醛, 有机硅油, 共混

Abstract：

Silicone oil was grafted and modified with allyl polyoxyethylene ether (PEO) and allyl glycidyl ether (AGE) via hydrosilylation reactions to enhance the dispersibility in water of the silicone oil, while proper amount of reactive epoxy groups were introduced in order to prepare aqueous phenolic resin. The structures, as well as the stability and heat resistance of the blends of modified silicone oil and aqueous phenolic resin were characterized by FT-IR, ¹H-NMR, differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) respectively. In addition, silicone-modified phenolic resin was applied to oil filter paper, of which the micro-morphology, mechanical properties, oil resistance and high temperature resistance were examined. The results show that after being co-grafted with PEO and AGE (3:1 in molar ratio) the silicone has good dispersibility in water, and then, the bland complex of aqueous phenolic resin with 5% (mass fraction) of the co-grafted silicone can forms a three-dimensional network structure with good stability. After being reinforced through impregnation of the above bland complex, the oil filter paper presents greatly enhanced mechanical properties. What is more, the reinforced oil filter paper shows high retention rate of mechanical properties even after soaking in high temperature oil, namely, retention rate of 55%, 63%, and 87% for stiffness, burst strength and tensile strength respectively.

Key words： organic polymer materials oil filter paper hydrosilylation graft modification phenolic silicone oil blending

收稿日期: 2020-10-10

ZTFLH:

TB332

基金资助:广东省自然资源厅广东省海洋经济发展(海洋六大产业)专项资金(粤自然资合2021-33)

作者简介: 鄢俊，男，1995年生，硕士生

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https://www.cjmr.org/CN/10.11901/1005.3093.2020.420 或 https://www.cjmr.org/CN/Y2021/V35/I9/651

图1 有机硅油的硅氢加成反应

图2 g-PHMS的核磁共振氢谱图

表1 g-PHMS的稳定性

表2 PF/g-PHMS的稳定性

图3 PF、g-PHMS及PF/g-PHMS的红外光谱

图4 PF、g-PHMS以及PF/g-PHMS的DSC谱

图5 酚醛及共混树脂的TGA曲线

图6 机油滤纸的SEM照片

表3 机油滤纸的力学性能

表4 机油滤纸的耐油性能

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