아세토아세톡시기 함유 90% 고형분인 아크릴수지의 하이솔리드 도료에의 적용
(주)코리아스칼라
- 최초 등록일
- 2016.04.02
- 최종 저작일
- 2008.09
- 10페이지/ 어도비 PDF
- 가격 4,000원
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서지정보
ㆍ발행기관 : 한국유화학회
ㆍ수록지정보 : 韓國油化學會誌 / 25권 / 3호
ㆍ저자명 : 박홍수, 김보배, 김지현, 박은수, 윤현돈, 이영준, 연제원, 가은지, 이지수
영어 초록
In order to synthesize high-solid coatings, acrylic resins (HSAs) containing 90% solid content were first synthesized, then the synthesized HSAs were cured with a curing agent, isocyanate, at room temperature to obtain high-solid coatings. In the HSAs synthesis, conversion was in a range of 82~87%, and viscosities and number-averaged molecular weight (Mn) of the HSAs were in a range of 4380~8010 cP and 1540~1660, respectively. From the correlation between Tg value, viscosity and Mn, it was found that, with increasing Tg value, viscosity increases rapidly and molecular weight increases slowly. From the visco-elasity measured by the pendulum method, it was found that the curing time decreased with increasing Tg values. From the tests of physical properties of the coatings' film, 60˚ specular gloss, impact resistance and heat resistance were proved to be good and pencil hardness, drying time and pot-life were proved to be poor.
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