Preparation method of wormwood fiber composite mask base material
A wormwood fiber and composite surface technology, which is applied in the directions of synthetic cellulose/non-cellulose material pulp/paper, non-fiber pulp addition, and fiber raw material processing, etc., can solve the problems of complex production process, waste of resources, slow degradation rate, etc.
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Embodiment 1
[0022] Get 33.3g (equivalent to dry 30g) commercial wormwood fiber, make the total mass of water and fiber 300g, soak for 4h and decompose, use PFI refiner to beat under different rotating speeds, and use beating degree measuring instrument to measure beating degree, Divided into 8 servings on average. After combing, it is shown in Table 1:
[0023]
[0024] The mechanical properties of the base material reach the optimum value at the beating degree of 26°SR.
Embodiment 2
[0026] Get 20g (equivalent to dry 18g) commercial wormwood fiber, make the total mass of water and fiber 180g, soak for 4h and decompose, use PFI refiner to beat under 3000 rotating speeds, make its beating degree be 26 ° SR, average 6 parts to obtain slurry I;
[0027] Add 6g of spruce fibers with a beating degree of 26°SR to the raw material I, that is, the amount of spruce fibers added is 30% of the mass of wormwood fibers in the base material, and added to water so that the total mass of water and slurry is 240g, and stirred for 2 minutes to obtain Slurry II;
[0028] Add 0.012g, 0.031g, 0.051g, 0.070g, 0.090g, and 0.164g of sucrose isobutyrate to raw material II respectively, that is, the amount of sucrose isobutyrate added is 0.3%, 0.3%, and 0.8%, 1.3%, 1.8%, 2.3%, 2.8%, stirred for 2 minutes, after carding, cross-laminated according to the designed thickness and surface density, and then spunlace reinforced preforming.
Embodiment 3
[0030] Take 80g (equivalent to dry 72g) commercial wormwood fiber, add it to water, make the total mass of water and fiber 720g, soak for 4h and decompose, use PFI refiner to beat at 3000 rpm, so that the beating degree is 26 ° SR , to obtain slurry I;
[0031] Add 24g of spruce fibers with a beating degree of 26°SR to the raw material I, that is, the amount of spruce fibers added is 30% of the mass of wormwood fibers in the base material, and added to water so that the total mass of water and slurry is 960g, and stirred for 2 minutes to obtain Slurry II;
[0032] Add 0.360 g of sucrose isobutyrate solution to slurry II, that is, the amount of sucrose isobutyrate is 2.3% of the dry fiber mass in the substrate, and stir for 2 minutes to obtain slurry III;
[0033] Divide the slurry III into 4 groups, 6 parts in each group, add stearic acid emulsion to the first group of slurry II, the addition amount of each part is 1.170g, 1.209g, 1.287g, 1.365g, 1.443g, 1.521g, That is, the...
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