不同类型卷烟纸浆原料的热裂解产物分析
Investigation of the pyrolysis products of different materials of pulp for cigarette paper
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摘要: 采用热裂解-固相微萃取-气相色谱-质谱法(Py-SPME-GC-MS)分析17种常用卷烟纸浆原料的热裂解产物,在空气气氛中,将浆原料分别在300℃,500℃和700℃条件下热裂解后进行固相微萃取,采用HP-5 MS毛细管色谱柱对热裂解产物进行定性分析.结果表明:随着热裂解温度的升高,阔叶木浆、针叶木浆和麻浆3种纸浆的热解产物种类也随之增加,主要是以醛类、酮类化合物为主;在300℃条件下,阔叶木浆的热裂解产物种类最多(7种).在500℃条件下,阔叶木浆和麻浆的热裂解产物种类相当(13种);在700℃条件下,3种纸浆的热裂解产物种类基本相当(≈15种);同一温度下阔叶木浆热裂解产生的酚类物质、巴豆醛和稠环芳烃类物质最多.Abstract: The pyrolysis products of different materials of pulp for cigarette paper were investigated by using solid phase micro-extraction(SPEM)coupled with pyrolysis gas chromatography mass spectrometry(Py-GC-MS).In air atmosphere,the pulp was pyrolyzed at 300℃,500℃ and 700℃,respectively.The pyrolysis products were extracted by SPME and introduced into GC-MS with HP-5MS capillary column,and were qualitatively analyzed.The results showed that:with the increasing of the pyrolysis temperatures mentioned,the types of the pyrolysis products of hardwood pulp,softwood pulp and hemp pulp were increased,mainly with aldehydes and ketones compounds.And at 300℃ the type and amount of the pyrolysis products of hardwood pulp were most at different pyrolysis temperatures(7 types).While at 500℃ the pyrolysls products of hardwood pulp were the same in amount with that of hemp pulp(13 types).At 700℃ the pyrolysis products of the 3 types of pulp were about the same in amount (about 15 types).
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Key words:
- cigarette paper /
- materials of pulp /
- pyrolysis
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