A kind of preparation method of reconstituted tobacco leaves by whole-stem papermaking method
A technology of reconstituted tobacco leaves and papermaking method, which is applied in the field of preparation of reconstituted tobacco leaves with full-stem papermaking method, which can solve the problems of quality and safety impact, long processing time, etc., and achieve the effect of improving product quality, high application value and low cost
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Embodiment 1
[0019] Step (1), extraction of raw materials: Weigh the raw materials according to the ratio of wood pulp fiber: tobacco stem long stem: tobacco stem short stem: tobacco stem stem label is 11: 50: 20:30, and the raw material by mass ratio: water is 1 :7 Add water, 70°C, extract for 45min, separate solid-liquid to obtain extract and solid, then add water according to the mass ratio solid:water is 1:5, 70°C, extract for 30min, separate solid-liquid to obtain extract and solid, Solids are used for refining;
[0020] Step (2), the preparation of the film base: the solid in step (1) is initially refined to a beating degree of 8°SR, and then multi-stage refining is carried out until the beating degree is 32°SR, and papermaking is carried out. Make a film base;
[0021] Step (3), concentration of the extract: Combine the extracts obtained from the two extractions in step (1), filter through a 400-mesh vibrating sieve, and concentrate to a density of 1.18 with a rotary evaporator at ...
Embodiment 2
[0027] Step (1), extraction of raw materials: Weigh the raw materials according to the ratio of wood pulp fiber: tobacco stem long stem: tobacco stem short stem: tobacco stem stem label is 11: 40: 20: 40, and the raw material by mass ratio: water is 1 :9 Add water, 75°C, extract for 60 min, separate solid-liquid to obtain extract and solid, then add water according to mass ratio of solid:water 1:6, extract at 75°C for 45 min, separate solid-liquid to obtain extract and solid , the solid is used for refining;
[0028] Step (2), preparation of film base: Initially refine the solid in step (1) with a degree of beating of 10°SR, and then perform multi-stage refining until the degree of beating is 35°SR, then carry out papermaking. Make a film base;
[0029] Step (3), concentration of the extract: Combine the extracts obtained from the two extractions in step (1), filter through a 400-mesh vibrating sieve, and concentrate to a density of 1.18 with a rotary evaporator at 70°C and a...
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