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http://dx.doi.org/10.17702/jai.2013.14.3.117

Analysis of Tack Properties of Aramid/Phenolic Prepreg  

Hong, Tae Min (Department of Advanced Organic Materials & Textile System Engineering, Chungnam National University)
Lee, Ji Eun (Department of Advanced Organic Materials & Textile System Engineering, Chungnam National University)
Hong, Young Ki (Department of Fashion Design & Apparel Industry, Konyang University)
Lee, Jung Soon (Department of Clothing & Textiles, Chungnam National University)
Cho, Dae Hyun (Korea Textile Development Institute)
Lee, Seung Goo (Department of Advanced Organic Materials & Textile System Engineering, Chungnam National University)
Publication Information
Journal of Adhesion and Interface / v.14, no.3, 2013 , pp. 117-120 More about this Journal
Abstract
The prepreg material is a sheet of the reinforcement pre-impregnated with a resin. In this study, two types of prepreg were prepared with a general phenolic resin and the polyvinyl butyral (PVB) modified phenolic resin, respectively, with resin content of 40 wt%. After resin impregnation, the prepregs were heat treated in an oven to make them the B-stage. Surface morphology of the prepreg was observed by using a scanning electron microscope (SEM). Tack property of the prepreg is one of the major properties that govern the ability of prepreg to be laid up. In this study, the tack of prepreg was measured under various test parameters by a probe tact test. Test parameters were contact time, contact force and debonding rate. Most of the tack properties of the prepreg increased with the test parameters. Then tack properties exhibited a linear behavior with test parameters before a saturation point. Also, the tack of prepreg was investigated in relation with the fibrillation phenomena involved in the prepreg surface with the debonding rate.
Keywords
prepreg; aramid fabric; phenolic resin; probe tack test; interfaces;
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