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플로어링보드 바닥 접착제용 에폭시본드의 열전달 향상을 위한 실험적 연구
박철우 ( Park Cheul-woo ),이현수 ( Lee Hyeun-soo ),임남기 ( Lim Nam-gi ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.1
The higher the addition rate, the less difference in kneading was found., This is because most of the cases are mixed with vinyl gloves by hand when immediately mixed in the field, so there is no problem of mixing dough according to the amount of addition.,The mean increase temperature for 20 minutes was 31.6℃ for Plain, 38.1℃ for Al, 33.7℃ for Cu, and 5~7℃ for Al 20% added sample, 38.1℃ for Al 20% added sample, but 36.6℃ for Al 5% added sample.,This suggests that it is possible to improve its own heat transferability by adding metal powder to epoxy adhesives.
박철우 ( Park¸ Cheul-woo ),임남기 ( Lim¸ Nam-gi ),이동건 ( Lee¸ Dong-gun ),조영빈 ( Jo¸ Young-bin ) 한국건축시공학회 2021 한국건축시공학회 학술발표대회 논문집 Vol.21 No.2
Comparing the absorption volume of test pieces immersed over time in room temperature moisture with weight, WF absorbed about 40% more than PLAIN, and PLAIN stopped absorbing after 10 minutes, but WF continued to absorb. It is thought that the woven fabric layer of the core material continued to absorb moisture. In the heat transfer test, the test piece to which only WF was applied had a temperature difference of about 2℃ compared to PLAIN, and when the insulating liquid was sprayed, there was a difference in heat transfer properties of up to 5℃. This is judged to have low heat transfer properties of the basic woven fabric, but the heat insulating liquid also further reduces heat transfer properties.
박철우 ( Park Cheul-woo ),신상호 ( Sin Sang-ho ),이동건 ( Lee Dong-gun ),조영빈 ( Jo Young-bin ),주희정 ( Ju Hee-jung ),임남기 ( Lim Nam-gi ) 한국건축시공학회 2021 한국건축시공학회 학술발표대회 논문집 Vol.21 No.1
A comparative analysis of wear resistance and shock resistance tests shows that wear resistance is up to 6 times and at least 2 times higher wear resistance than current products, even considering the limited number of turns due to too much rotation. In the case of shock resistance, there was no problem except 7.5T, but this is only a result of KS test method, so it is deemed that additional fall impact tests by various objects in daily life are needed for practical comparison.