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      감마선이 알칼리 리그닌의 분자구조에 미치는 영향 = Effect of Gamma Ray on Molecular Structures of Alkali-Lignin

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      https://www.riss.kr/link?id=A107821216

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      Lignin is one of the natural macromolecules. Every year large amount of lignin arisesfrom the cellulose production as a by-product worldwide. The use of lignin as a precursor tocarbonaceous materials has gained interest due to its low cost and high availability. Therefore, weimproved the properties of alkali-lignin by exposing to gamma ray in this study. The alkali-ligninis irradiated by Gamma ray irradiation with varying doses. The char yields of alkali-lignin wereinvestigated by increasing up to 50 kGy. The cross-linking and bond scission of alkali-lignin occursimultaneously during gamma ray irradiation. The crosslinking was predominantly acceleratedby gamma ray irradiation up to 50 kGy. Bond scission predominantly occurs between 50 and 500kGy. ESCA analysis indicated that the alcoholic carbon increase up to 50 kGy. Solution viscositywas increased as absorbed dose increased up to 20 kGy. In addition, the aromatic ring was notinfluenced by irradiation at doses ranging from 20 to 500 kGy as shown in FT-IR results.
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      Lignin is one of the natural macromolecules. Every year large amount of lignin arisesfrom the cellulose production as a by-product worldwide. The use of lignin as a precursor tocarbonaceous materials has gained interest due to its low cost and high av...

      Lignin is one of the natural macromolecules. Every year large amount of lignin arisesfrom the cellulose production as a by-product worldwide. The use of lignin as a precursor tocarbonaceous materials has gained interest due to its low cost and high availability. Therefore, weimproved the properties of alkali-lignin by exposing to gamma ray in this study. The alkali-ligninis irradiated by Gamma ray irradiation with varying doses. The char yields of alkali-lignin wereinvestigated by increasing up to 50 kGy. The cross-linking and bond scission of alkali-lignin occursimultaneously during gamma ray irradiation. The crosslinking was predominantly acceleratedby gamma ray irradiation up to 50 kGy. Bond scission predominantly occurs between 50 and 500kGy. ESCA analysis indicated that the alcoholic carbon increase up to 50 kGy. Solution viscositywas increased as absorbed dose increased up to 20 kGy. In addition, the aromatic ring was notinfluenced by irradiation at doses ranging from 20 to 500 kGy as shown in FT-IR results.

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      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2027 평가예정 재인증평가 신청대상 (재인증)
      2021-01-01 평가 등재학술지 유지 (재인증) KCI등재
      2018-01-01 평가 등재학술지 선정 (계속평가) KCI등재
      2016-01-01 평가 등재후보학술지 선정 (신규평가) KCI등재후보
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      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 0 0 0
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0 0 0 0
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