New pretreatment for elastomers to enhance adhesion

被引:1
作者
Dahm, RH [1 ]
Brewis, DM [1 ]
Fletcher, IW [1 ]
Mathieson, I [1 ]
机构
[1] Univ Loughborough, Inst Surface Sci & Technol, Loughborough LE11 3TU, Leics, England
关键词
elastomers; solvent-free pretreatments; aqueous Chloramine-T; styrenebutadiene block copolymers (SBS); surface analysis; X-ray photoelectron spectroscopy (XPS); static secondary ion mass spectrometry (SSIMSC);
D O I
10.1080/00218460590904453
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The effects of various chemical pretreatments on the surface chemistry and adhesion performance of an additive-free styrene-butadiene block copolymer and an additive-free ethylene-propylene elastomer have been studied. Most of the powerful oxidising agents that are effective with hydrocarbon plastics were ineffective in enhancing the adhesion to elastomers despite causing major changes to their surface chemistries. The poor adhesion was attributed to the existence of weak boundary layers. Chlorinated agents were also examined and a new pretreatment for elastomers containing carbon-carbon double bonds has been identified. It was found that a mildly acidified dilute aqueous suspension of Chloramine-T was very effective at enhancing the adhesion performance of styrene butadiene copolymers.
引用
收藏
页码:59 / 75
页数:17
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