合成材料老化与应用2026，Vol.55Issue(2)：1-4,4.
基于聚异丁烯的高性能氢燃料电池密封胶的制备与性能
Preparation and Properties of High Performance Sealant for Hydrogen Fuel Cells Based on Polyisobutylene
曹健 1胡建华 2李艳 2刘平1
作者信息
- 1. 华南理工大学材料科学与工程学院,广东 广州 510640||广东时利和汽车实业集团有限公司,广东佛山 528222
- 2. 广东时利和汽车实业集团有限公司,广东佛山 528222
- 折叠
摘要
Abstract
One-component sealant was prepared using modified polyisobutylene as the matrix,leveraging the addition reaction between its double bond and hydrosilicone oil.The effects of the molar ratio of double bond to silylhydride(R value),content of high reactive polyisobutylene and silica,curing conditions on the sealant's mechanical properties were investigated,thus leading to formulation optimization.The optimized sealant exhibits outstanding mechanical properties,achieving tensile strength,elongation at break,and compression set of 3.0 MPa,300％,and 15％,respectively.Concurrently,the sealant demonstrates excellent aging resistance,low hydrogen transmission coefficient and low moisture permeability,making it suitable for hydrogen fuel cell applications.关键词
聚异丁烯/密封胶/力学性能/氢燃料电池Key words
polyisobutylene/sealant/mechanical properties/hydrogen fuel cells分类
化学化工引用本文复制引用
曹健,胡建华,李艳,刘平..基于聚异丁烯的高性能氢燃料电池密封胶的制备与性能[J].合成材料老化与应用,2026,55(2):1-4,4.
