Description and purpose of componentsThe typical blended cigarette in the United States is a filter cigaretteof 85mm or 100mm total length with a diameter of about 8 mm. On an85mm cigarette,the cellulose acetate tow filter usually constitutes 20～25mm of t...[继续阅读]

    The main reasons for incorporating reconstituted tobacco in the blendare economic. The cost of tobacco is rising as a result of general inflationary pressure and inability of growers to keep up with demand,and sothe cigarette maker must find ways to get m...[继续阅读]

    Only 60%～65% of the weight of tobacco bought at auction finds itsway into shred in the final cigarette product. By far the largest by-product is the stem or mid-rib that held the leaf to the plant stalk. The stemmakes up 20%～25% of the leaf weight (Table ...[继续阅读]

    To increase the filling power of tobacco,processes have been developed that consist of impregnating tobacco with volatile materials and thenrapidly removing them. The almost explosive removal of the impregnantexpands the cellular structure of the leaf,giv...[继续阅读]

    SyntheticsThe first introduction of a wholly non-tobacco supplement as a component of a tobacco blend occurred in West Germany in late 1974 with themarketing of two brands containing 20%～25% tobacco supplement. Inearly 1975,a tobacco supplement was also i...[继续阅读]

    CasingThe solutions used contain mainly sugar and a humectant,both dissolved in water. The sugar helps overcome bitterness in the smoke andmakes it smoother. The humectant,usually glycerine or a higher glycol,serves to keep the tobacco moist and less sens...[继续阅读]

    A schematic flow diagram for a typical U. S. blended cigarettemanufacturing process is shown in Figure 7. Whole Oriental leaf requiresonly cleaning of dirt,sand,and fines to be ready for blending. Burleyand Maryland tobaccos are combined,dip-cased,dried,a...[继续阅读]

    In addition to its physical function of containing the combustibles,the cigarette paper plays a controlling role in the combustion process.Most papers are based on flax or linen fiber and contain 20%-30% ofcalcium carbonate. This white pigment serves to c...[继续阅读]

    AdhesiveThe preferred adhesive for cigarette seams is a starch-based materialbecause it is a natural substance that does not cause an off-taste in thesmoke. Increased speeds in cigarette-making are requiring the development of faster setting hot-melt adhe...[继续阅读]

    The evolution of cigarette filters can be traced through severalstages. The first step was probably the use of special tipping papers tokeep the cigarette from adhering to a moist lip. These papers were usually printed to simulate a wooden or cork appeara...[继续阅读]