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유리섬유직물에 대한 수지의 젖음성 평가Wettability Evaluation of Resin on the Glass Fabric

Other Titles
Wettability Evaluation of Resin on the Glass Fabric
Authors
한승욱최낙삼이민수안흥근
Issue Date
Apr-2011
Publisher
한국복합재료학회
Keywords
유리섬유직물; 에폭시 수지; 접촉각; 순수젖음면적; 젖음계수; glass fabric; epoxy resin; contact angle; neat wet area; coefficient of wettability
Citation
Composites Research, v.24, no.2, pp 30 - 37
Pages
8
Indexed
KCI
Journal Title
Composites Research
Volume
24
Number
2
Start Page
30
End Page
37
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/38977
DOI
10.7234/kscm.2011.24.2.030
ISSN
2288-2103
2288-2111
Abstract
에폭시 수지와 유리섬유직물 간의 젖음성을 분석하였다. 에폭시 수지와 산무수물 경화제의 혼합비는 당량비 1:0.5, 1:1, 1:1.2로 하였고, 촉매는 혼합된 수지의 0.1wt%로 첨가하였다. DSC 경화거동분석 결과 이 혼합 수지는 상온에서 함침이 가능하였다. 혼합 수지에 대해 유리평판에 놓여진 유리섬유직물 위에 수지 한 액적(방울)을 투하 후 시간에 따른 접촉각 변화를 측정하였다. 또한, 일정량의 에폭시 수지 액적을 투하시켜 시간에 따른 젖음면적 변화를 측정하였다. 접촉각, 액적높이, 순수 젖음면적, 젖음계수를 측정함으로써 유리섬유직물에 대한 에폭시 수지의 젖음성을 비교 평가하였다. 그 결과 당량비 1:1.2에서 유리섬유직물에 대한 젖음성이 가장 우수하였다.
Analysis of wettability between epoxy resin and glass fabric was studied. The mixing ratios of epoxy resin and anhydride hardener were varied as 1:0.5, l:l and l:1.2. Catalyst content was fixed as 0.1wt% of the mixed resin. A curing analysis by differential scanning calorimeter(DSC) showed a possible impregnation of the mixed resin at the room temperature. An effective contact angle of the mixed epoxy resin drop onto the glass fabric being preset on a flat glass plate was measured as a function of time. The wet area of the epoxy resin drop was also measured. Behaviors of the contact angle, the droplet height, the neat wet area and the coefficient of wettability were used to evaluate the wettability of the epoxy resin onto the glass fabric. It was concluded that the equivalent ratio of 1: 1.2 was the most suitable for the wettability.
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COLLEGE OF ENGINEERING SCIENCES > DEPARTMENT OF MECHANICAL ENGINEERING > 1. Journal Articles

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