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 년도별 목차보기 |
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| 발행년도/권호 |
2016 년 / 권호: V.28,no.1,Mar |
| 논문제목1(원어) |
스피커용 댐퍼에 사용되는 폴리우레탄/에폭시 하이브리드 수지의 합성 |
| 논문제목2(타언어) |
Synthesis of Polyurethane/Epoxy Hybrid Resin used for Damper of
Loudspeaker |
| 저자(원어) |
최현석·최동호1·허만우2,* |
| 저자(타언어) |
Hyun-Seuk Choi, Dong-Ho Choi1 and Man-Woo Huh2,* |
| 소속(원어) |
DYETEC연구원,1(주)홍일,2경일대학교간호학과 |
| 소속(타언어) |
DYETEC, 1Heung-il Polychem, Kyungil University |
| 시작/끝
페이지 |
40 ~ 47 총페이지 : |
| 언어(원어) |
Korean |
| 초록 |
Abstract As a coating material for loudspeaker dampers, resilient polyurethane/epoxy
hybrid resins were synthesized to replace conventional phenol resin and examined the
physical properties, which are not only environmentally friendly but also not harmful to
human. Five types of polyurethane resins were synthesized in the step-shot method using
methylene diisocyanate, three polyols such as poly tetramethylene ether glycol(PTMEG,
MW:2000), poly(1,4-buthylene adipate(PBAP, MW:2000), and poly carbonatediol(PCD,
MW:2000), and three chain extenders such as ethylene glycol(EG), neopentyl
glycol(NPG), and 1,4-buthandiol(1,4-BD). The five types of synthesized polyurethane
resins and commercially available bisphenol A type epoxy resin were blended in weight
ratios of 90:10, 70:30, and 50:50 to synthesize 15 types of polyurethane/epoxy hybrid
resins. Among the polyurethane resins, the one that was synthesized using PCD and 1,4-
BD showed excellent tensile strength, 100% modulus, low extension, and relatively high
viscosity. Polyurethane/epoxy hybrid resins with higher epoxy resin contents showed better thermal properties and water resistance while those with higher polyurethane contents
showed higher flexibility. The polyurethane/epoxy hybrid resin made by blending the
polyurethane based on PCD and 1,4-BD with a bisphenol A type epoxy resin in a weight
ratio of 70:30 was identified to be the most suitable to be used in speaker dampers. |
| 키워드 |
Keywords loudspeaker dampers, step shot method, polyurethane, epoxy, hybrid resin |
| 학회지 |
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| Reference |
http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2016_v28n1_40&ordernum=5 |
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