小空腔内EVA发泡胶带的黏结性能和发泡行为研究
Study on adhesive and foaming properties of EVA expandable tape for small volumes
刘伟 1余才利 2陈小澄 1张纯 1赵克文3
作者信息
- 1. 贵州理工学院材料与能源工程学院,贵阳 550025
- 2. 贵州永红航空机械有限责任公司,贵阳 550003
- 3. 重庆迅昌汽车零部件有限公司,重庆 401120
- 折叠
摘要
采用4,4-氧代双苯磺酰肼(OBSH)作为发泡剂、以过氧化苯甲酰(BPO)作为交联剂、C9树脂作为增黏剂制备了乙烯-乙酸乙烯酯(EVA)发泡胶带,研究组分对2D发泡胶带使用性能的影响和机理.结果表明,在合适的EVA/BPO/OBSH/C9(100/3/3/40)条件下,发泡胶带能够在170℃和205℃下发泡.发泡胶带具有良好的使用性能,膨胀率超过2倍,不发生挂流,表面平整.同时,发泡胶带的拉伸强度高于5 MPa,断裂伸长率超过240%,吸水率低于5%.
Abstract
This study prepared a series of ethylene-vinyl acetate(EVA)expandable tapes by using 4,4-oxobenzenesulfo-nyl hydrazine(OBSH)as foaming agent,benzoyl peroxide(BPO)as crosslinking agent,and C9 resin as a tackifier.The effect and mechanism of components on the performance of 2D foam tape were studied.The results indicated that,under the proper blending ratio of EVA/BPO/OBSH/C9(100/3/3/40),the expandable tape could be foamed at both 170℃and 205℃.The expansion rate of the expandable tape exceeded 2 times.And the surfaces of foams were smooth and without irreversible flowing.The tensile strength,the elongation at break and the water absorption of the expansion tape was 5 MPa,240%,and less than 5%,respectively.
关键词
发泡胶带/乙烯-乙酸乙烯酯共聚物/声振粗糙度/低挥发性有机化合物/4,4-氧代双苯磺酰肼Key words
expandable tape/ethylene-vinyl acetate copolymer/acoustic roughness/low volatile organic compound/4,4-oxobenzyl sulfonyl hydrazide引用本文复制引用
基金项目
国家自然科学基金资助项目(52263004)
贵州省自然科学基金资助项目(黔科合基础-ZK[2022]一般179)
贵阳贵安人才培养项目(筑科合同[2024]2-12号)
出版年
2024
国家科技期刊平台
NSTL
万方数据