细支卷烟辅材参数对主流烟气苯并[a]芘释放量的影响效应
Effects of slim cigarette auxiliary material parameters on benzo[a]pyrene delivery in cigarette mainstream smoke
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摘要:为考查细支卷烟辅材参数对主流烟气苯并[a]芘（B[a]P）释放量的影响效应，运用均匀设计方法进行试验方案的设计，采用逐步回归法建立B[a]P释放量与卷烟纸透气度（ X 1）、接装纸透气度（ X 2）、成型纸透气度（ X 3）、滤嘴丝束规格（ X 4）4种不同辅材参数的回归方程，并对优化后的辅材参数进行了验证，结果表明：4种辅材对B[a]P释放量影响的大小顺序为 X 3> X 4> X 2> X 1，且各因素均与B[a]P释放量呈负效应；各因素或因素的交互对目标值影响的大小顺序为 X 2 X 3> X 1 X 4> X 3 2> X 4，其中 X 3 2、 X 4与B[a]P释放量呈正相关， X 2 X 3、 X 1 X 4与B[a]P释放量呈负相关；B[a]P释放量较低的辅材参数组合为卷烟纸透气度100 CU，接装纸透气度800 CU，成型纸透气度26 000 CU，滤嘴丝束规格6.0Y/17 000，预测值与试验组的最低值相比，B[a]P释放量降低了39.30%.Abstract:In order to explore the effects of slim cigarette material parameters on benzo[a]pyrene (B[a]P) delivery in mainstream smoke,the uniform design method was used to design the test plan,and the stepwise regression method was used to establish the regression equations between the release of B[a]P and slim cigarette auxiliary material factors,including cigarette paper permeability( X 1),tipping paper permeability( X 2),plug wrapper permeability( X 3),tow specification in the filter( X 4).The optimized auxiliary material parameters were verified.The results showed that the sequence of every factor on the B[a]P yield was X 3> X 4> X 2> X 1,and all the factors had negative effects on the release of B[a]P.The order of the influence of each factor or interaction of factors on the target value was as follows: X 2 X 3> X 1 X 4> X 3 2> X 4,the positive correlation with the delivery of B[a]P were X 3 2and X 4,and the negative correlation with the delivery of B[a]P were X 2 X 3and X 1 X 4.The optimized auxiliary material combination for low B[a]P delivery were 100 CU( X 1),800 CU ( X 2),26 000 CU ( X 3),6.0Y/17 000( X 4).Compared with the lowest B[a]P in the experimental group,the predicative value of the B[a]P delivery in mainstream smoke of slim cigarette decreased by 39.3%.
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Key words:
- slim cigarette/
- auxiliary material factor/
- uniform design/
- benzo[a]pyrene
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