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86 results

  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 39

    Impact of cigarette paper and blend on super slim, slim and king-size cigarette designs

    WANNA J.(1); CHEN Cai(2); XIAO Cuicui(3); LIANG Chenze(3); RUI Li(4); ZHANG Wenjun(4)
    (1) SWM Intl., Alpharetta, GA, U.S.A.; (2) SWM Shanghai Representative Office, Shanghai, P.R. China; (3) China Tobacco Mauduit, Jiangmen, Guangdong, P.R. China; (4) China Tobacco Schweitzer, Yuxi City, Yunnan, P.R. China
    Superslim (SS) cigarettes account for 5 % of total cigarette sales on the Chinese market, with a year to year increase of 2.1 %. Similar to this fast-growing trend, many more brands of slim (SL) cigarettes have been offered on the market since 2017....
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 47

    Study on reducing the fragmentation rate of paper-making reconstituted tobacco during the cutting process in the cigarette factory

    ZHANG Wenjun(1); TENNIER J.(2); TU Yangang(1); ZHANG Yan(3); ZHENG Jianyu(1); ZHANG Mengyuan(1); LI Rui(1); LIU Jing(1); XIONG Zhen(1); ZHOU Guiyuan(1)
    (1) China Tobacco Schweitzer (Yunnan) Reconstituted Tobacco Co., Ltd, Yuxi City, Yunnan, P.R. China; (2) SWM Intl., Alpharetta, GA, U.S.A.; (3) Yunnan Tobacco Quality Supervision and Inspection Station, Kunming, Yunnan, P.R. China
    It is known that reconstituted tobacco leaf tends to generate dust and particles during the cutting process in the cigarette factory. To solve the issue, analysis of the composition structure of manufacturing waste was carried out. Effects on the...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 48

    Research on colour improvement of paper-making reconstituted tobacco

    SU Dandan(1); TU Yangang(1); ZHANG Wenjun(1); TENNIER J.(2); WEI Mingwen(1); WANG Xiaosheng(1); FENG Tao(1); MI Lan(1); ZHOU Guiyuan(1)
    (1) China Tobacco Schweitzer (Yunnan) Reconstituted Tobacco Co., Ltd, Yuxi City, Yunnan, P.R. China; (2) SWM Intl., Alpharetta, GA, U.S.A.
    Paper-making reconstituted tobacco (PRT) is an important raw material for the tobacco industry, with various benefits including reducing cost, smoke tar delivery, and impact on the environment. The different appearance of PRT compared to regular...
  4. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 47

    Effect of ethanol concentration on chemical composition of tobacco extracts

    ZHENG Jianyu(1); LIU Changbo(1); ZHANG Wenjun(1); TENNIER J.(2); FU Yin(1); XIONG Zhen(1); CHEN Shaoquan(1); FENG Tao(1); WANG Yanhong(1); ZHOU Guiyuan(1)
    (1) China Tobacco Schweitzer (Yunnan) Reconstituted Tobacco Co., Ltd, Yuxi City, Yunnan, P.R. China; (2) SWM Intl., Alpharetta, GA, U.S.A.
    Ethanol is widely used as a solvent in the chemical, pharmaceutical, and biological industries, for the extraction of various natural products, including those from tobacco. In this study, an ethanol-water system with four different concentrations of...
  5. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 20

    The influence of storage conditions and packaging on acetic acid generation in cellulose acetate fibers

    TATUM C.E.; WILSON S.A.; CASPER R.G.; PEARCE M.J.
    Eastman Chemical Company, Kingsport, TN, U.S.A.
    The cellulose acetate polymer used in cigarette filters is made by acetylating wood pulp with acetic anhydride. One advantage of this modified natural polymer is that it readily degrades by multiple mechanisms. While the ultimate products are carbon...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, STPOST 02

    Influence of microwave treatment on the combustibility of tobacco and its kinetic analysis

    LIU Chunbo; SHEN Qinpeng; HE Pei; ZHANG Tao; ZHU Ruizhi; LIU Zhihua; YANG Guangyu; ZHANG Hongyu; MIAO Mingming
    Key Laboratory of Tobacco Chemistry of Yunnan Province, Research & Development Center, China Tobacco Yunnan Industrial Co., Ltd. of CNTC, Kunming 650231, P.R. China
    Microwave treatment can promote the expansion of tissue structure of tobacco leaves and improve their combustibility. To study the structure and combustibility of tobacco leaves treated with microwave for different durations, scanning electron...
  7. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 07

    Comparison of the cerulean e-cigarette pressure drop testing instrument to the ces 508 cigarette pressure drop and ventilation tester unit for electronic cigarettes, conventional tobacco burning cigarettes, and filter tips

    AVANTS K.W.(1); WILSON S.A.(2); CLARK J.(1)
    (1) Liggett Group, LLC, Mebane, NC USA; (2) Eastman Chemical Company, Kingsport, TN USA
    The pressure drop or “resistance to draw” of cigarettes and cigarette-like products is a prominent experience for consumers. This poster is a comparison of two commercial instruments with different approaches to measuring pressure drop. The...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 20

    Isolation, screening, identification and application of a bacterium strain with high lutein-degrading and ß-ionone-producing abilities from the surface of tobacco leaves

    PANG Denghong; ZHU Wei; XIONG Guoxi*; WANG Na; DONG Aijun; WANG Ping (*author for correspondence)
    China Tobacco Hubei Industrial Co., Ltd., Technology Center, Dongxihu District, Wuhan, Hubei, P.R. China
    In the culture medium with lutein as the sole source of carbon, the bacterium strains with lutein-degrading and ß-ionone-producing abilities were isolated from the surface of tobacco leaves. After primary and further screening, a strain, JBBM09-12,...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, STPOST 02

    Determination of nicotine and total nitrogen in tobacco leaves by HPLC-CLND

    YU Shitao; XIONG Guoxi; ZHU Wei
    China Tobacco Hubei Industrial Co., Ltd., Technology Center, Dongxihu District, Wuhan, Hubei, P.R. China
    A new method for determining the nicotine content in tobacco leaves with HPLC-CLND was established, and the content of total nitrogen was also estimated. HPLC conditions were as follows: Sun Fire C18 column (50 mm × 2.1 mm, 2.5 µm), mobile phase (A)...