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산화방지제를 배합한 Polybutadiene과 Polyisoprene의 DSC에 의한 산화특성 연구
유종선,백남철,최세영 한국고무학회 1983 엘라스토머 및 콤포지트 Vol.18 No.4
The purpose of this dissertation is to increase oxidation resistance for Polybutadiene & Polyisaprene, and to investigate the energetics of inhibited oxidation of Polybutadiene & Polyisaprene stabilized with various types of antioxidants using DSC. The results of the study are as follows: 1. In the DSC SCREEN for the onset temperature of oxidation, Polybutadiene was faster than Polyisoprene for the samples containing no antioxidant in air. 2. In the DSC evaluation for Polybutadiene, Recipe BG-4 with 2.0phr compounds of antioxidant was the best effective, and Recipe BS-4 with 2.0phr compounds of antioxidant was the warst effective, and the degrees of effect of antioxidant were exhibited in the ranking of G-1, D, BHT, and SP, roughly. 3. In the DSC evaluation for the Polyisoprene, Recipe IG-4 with 2.0hr compounds of antioxidant was the best effective, and Recipe ID-4 with 2.0phr compounds of antioxidant was the worst effective, and the degrees of effect of antioxidant were exhibited in the ranking of G-1, SP, BHT, and D roughly. 4. In the study on enthalpy which depends on exothermal reaction, the enthalpy of Polyisoprene was greater than that of Polybutadiene. However, the problem was not salved completely, and it needs further studies.
유종목 영남중국어문학회 1987 중국어문학 Vol.13 No.1
熙寧四年(1071)到熙寧七年(1074), 蘇東坡離開了黨爭선渦的변京, 到杭州任通判. 在他的文學創作方面, 尤其在他的詞作方面, 這三年是具有深刻意味的期間, 因爲這期間中他才開始作詞. 因此我覺得考察一下這一時期的東坡詞是一件比較重要的事. 杭州時期的五十多首詞裏面, 又有抒述艶情和酒興·기旅和鄕愁的, 又有顯示自己的人生觀或者處世哲學的, 除了這些以外還有詠物詞和寫境詞. 但是多半的作品是以離別的悲哀和離別以後的懷念爲題材的. 離別這種題材竝不是新潁的題材. 不過, 他的離別不再是男女之間的離別而是朋友之間的. 這就是근晩唐五代詞不同的一面. 而且, 詠物·寫景·人生觀也是從前的詞作裏面非常罕見的題材. 尤其是$lt;河滿子$gt;-湖州寄南守馮當世-這一首詞部分反映着當時的社會面貌. 總而言之, 杭州時期的東坡詞雖然還不能說達到「無意不可入, 無事不可言」的境界, 但是題材已經在一定程度上多樣化了. 在風格方面, 這時期的東坡詞以婉約爲主, 大略三分之二的作品是屬於婉約風格的, 其他是屬於淸曠風格的. 這是근整體的東坡詞相反的情況. 整體的東坡詞中三分之二是淸曠的, 剩餘的作品中一半是屬於豪放風格, 一半是屬於婉約風格. 從這種情況看來, 我們可以知道初期的東坡詞竝不是用「以詩爲詞」的態度來作的, 而且竝不是豪放詞, 但是我們可以說其萌芽已經發了.