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膠質體的來源有哪些?

作者:煤礦安全網 2016-08-13 20:51 來源:煤礦安全網

膠質體的來源有哪些?

答:膠質體的來源可能有:

⑴熱解時結構單元之間結合比粒薄弱的橋鍵斷裂,生成自由基,其中一部分分子量不太大、含氫較多,使自由基穩定化,形成液體產物;

⑵熱解時,結構單元上的脂肪側鏈膜落,大部分揮發逸出,少部分參加縮聚反應,形成液態產物;

⑶煤中原有的低分子量化合物—瀝青受熱熔融變為液態;

⑷留的固體部分在液態產物中部分溶解和膠溶。

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