CAJ | 학술논문

对云南潦浒、寻甸、吉林舒兰褐煤树脂中结合酸进行了GC-MS分析，对其化学组成及结构特征进行了对比研究.结果显示，树脂结合酸均以正构烷酸为主要成分，其分布为C12～C28，高含量的正构烷酸集中在低碳数一端.在潦浒、寻甸树脂结合酸中，C20含量最高，其次为C16，而在舒兰结合酸中，正构烷酸占绝对优势，且C16为最高含量的化合物；去氢松香酸在每个样品中含量均较低，其它三环二萜酸，如松脂酸、三达松脂酸等异构体或立体异构体含量也非常低；具有五环三萜骨架的酸性物质，在潦浒、舒兰结合酸中比较丰富，其含量超过寻甸结合酸；在低碳数一端，存在着各种支链烷酸及苯甲酸、苯酚及取代物.对比树脂烃、树脂游离酸的结果，潦浒树脂结合酸与寻甸树脂结合酸无论从组成和分布上都是极其相似的，故其原料煤成煤植物和成煤环境具有相似性，与舒兰煤之生源和环境存在着本质的差异.
대운남로호、심전、길림서란갈매수지중결합산진행료GC-MS분석，대기화학조성급결구특정진행료대비연구.결과현시，수지결합산균이정구완산위주요성분，기분포위C12～C28，고함량적정구완산집중재저탄수일단.재로호、심전수지결합산중，C20함량최고，기차위C16，이재서란결합산중，정구완산점절대우세，차C16위최고함량적화합물；거경송향산재매개양품중함량균교저，기타삼배이첩산，여송지산、삼체송지산등이구체혹입체이구체함량야비상저；구유오배삼첩골가적산성물질，재로호、서란결합산중비교봉부，기함량초과심전결합산；재저탄수일단，존재착각충지련완산급분갑산、분분급취대물.대비수지경、수지유리산적결과，로호수지결합산여심전수지결합산무론종조성화분포상도시겁기상사적，고기원료매성매식물화성매배경구유상사성，여서란매지생원화배경존재착본질적차이.
The acids combined to form esters, LHZZS,XDZZS and SLZZS, the fractio ns in brown coal resins from brown coal waxes from Liaohu, Xundian (Yunnan Province) and Shulan(Jilin Province) brown coal respectively, were derived by CH 2N2 to methyl esters and their chemical constituents and structural characteristic were studied on GCMS. The experimental results demonstrate that normal fatty acids from C12 to C28are dominant in combined acid fraction, but concen trated mainly in low carbon number (C16,C18,C20,C22). Fatty acid with highest content both in LHZZS and XDZZS is eicosanoic acid, the next, hexadecanoic acid. In SLZZS, the normal fatty acids are absolutely dominant compositions, hexadecanoic acid with the highest content, the next, benzoic acid; Tricyclic diterpanoic acids and pentacyclic triterpanoic acids, such as dehydroabietic acid, pimaric acid, isopima ric acid, sandaracopimaric acid, tetrahydroabietic acid, abietic acid,C32 and C33hopanoic acid, etc., exist in the combined acid for each sample, but compare d with free acid fraction of brown coal resin, especially in LHZZS and XDZZS, the amount is quite lower, which made the huge difference between free acid fraction and combined acid fraction; there are more branched fatty acids and benzoic acid, phenolic compounds in SLZZS. From the chemical constituents and their distri bution characteristic of combined acid, free acid and hydrocarbon fraction, it can be concluded that the original plants and the existing environment of Liaohu brown coal wax is much similar to that of Xundian brown coal wax, but basically different from the resource of Shulan brown coal wax.