A method for preventing sticking of tobacco sheets
A tobacco sheet and protective agent technology, which is applied in the fields of tobacco, tobacco processing, and tobacco preparation, can solve the problems of thin sheets and thin sheets without a good diaphragm, molecular motion adhesion, and large contact area, so as to achieve long retention time, reduce adhesion, The effect of enhancing the stability of film formation
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Embodiment 1
[0026] Preparation of water-soluble rosin pentaerythritol ester:
[0027] Weigh 300 g of refined rosin, grind it into a 500 mL four-neck flask, heat and melt it, when the temperature rises to about 160-170°C, stir, slowly add a certain amount of maleic anhydride, and keep it at about 185-190°C , react for 2 hours, add a certain amount of pentaerythritol and 0.3g of a common esterification catalyst, heat up to 210-250°C, react for 2-5h, remove moisture and low boiling point substances, cool down to about 200°C, and discharge to obtain water-soluble rosin pentaerythritol esters.
Embodiment 2
[0029] Preparation of anti-adhesive tobacco sheets:
[0030] Tobacco waste is manually cleaned, pretreated by washing stems, and dried;
[0031] Weigh 500g of the raw material after removal of impurities and put it into 2.5L extract solution, the extract solution is 2% urine solution aqueous solution, ultrasonic extraction at 40-60°C, the ultrasonic extraction frequency is 3KHz-5KHz, the extraction time is 4-6h, solid-liquid Extraction obtained after separation and treatment;
[0032] Centrifuge the extract with a butterfly centrifuge at 12000r / min, centrifuge for 3-5min, reduce the slag content, and take the supernatant;
[0033] Concentrate the purified extract to 40% using a double-effect rising film evaporator to obtain a concentrate;
[0034] Filter the concentrated solution through a 200-mesh rectangular sieve to obtain a filtered concentrated solution; according to the "Technical Specifications for Reconstituted Tobacco Leaf by Papermaking Method", add flavors and fra...
Embodiment 3
[0041] Preparation of anti-adhesive tobacco sheets:
[0042] Tobacco waste is manually cleaned, pretreated by washing stems, and dried;
[0043] Weigh 500g of the raw material after removal of impurities and put it into 2.5L extract solution, the extract solution is 2% urine solution aqueous solution, ultrasonic extraction at 40-60°C, the ultrasonic extraction frequency is 3KHz-5KHz, the extraction time is 4-6h, solid-liquid Extraction obtained after separation and treatment;
[0044] Centrifuge the extract with a butterfly centrifuge at 12000r / min, centrifuge for 3-5min, reduce the slag content, and take the supernatant;
[0045] Concentrate the purified extract to 40% using a double-effect rising film evaporator to obtain a concentrate;
[0046] Filter the concentrated solution through a 200-mesh rectangular sieve to obtain a filtered concentrated solution; according to the "Technical Specifications for Reconstituted Tobacco Leaf by Papermaking Method", add flavors and fra...
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