Suede towel and preparation thereof
A leather towel and starch technology, applied in cleaning equipment, applications, cleaning machinery, etc., can solve the problems of difficult cleaning, poor bulkiness, poor water absorption, etc., and achieve fast dirt removal, good bulkiness, and high water absorption Effect
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Embodiment 1
[0026] The imitation suede towel of the present invention is formed by uniformly mixing melted polyvinyl alcohol (PVA) and starch, and filling in the fiber pores of the glued cotton. The starch is wheat starch.
[0027] Concrete preparation method steps in sequence are:
[0028] (1) In a container with a volume of 1 cubic meter, put 25 kg of polyvinyl alcohol particles, add 400 liters of water, heat to 95°C until completely dissolved, stir to cool down to 60°C, then add 260 liters of water to stir, and add to the solution Add 70 liters of formaldehyde and stir evenly;
[0029] (2), add water to 50 kilograms of wheat flour in another container and stir into 160 liters of solution, then pour this solution into the container in the step (1) and stir evenly, then fill the container with dilute hydrochloric acid and stir evenly;
[0030] (3) step (2) gained solution is poured in the mold of 1 cubic meter of volume that is filled with glued cotton, allows solution to be absorbed e...
Embodiment 2
[0036] (1) In a container with a volume of 1 cubic meter, put 20 kilograms of polyvinyl alcohol particles, add 400 liters of water, heat to 95°C until completely dissolved, stir to cool down to 60°C, add 260 liters of water to stir, and add to the solution Add 70 liters of formaldehyde and stir evenly.
[0037] (2), add 40 kilograms of wheat flour in another container and stir into 160 liters of solutions, then pour this solution into the container in step (1) and stir, then pour the container with dilute hydrochloric acid and stir;
[0038] (3) the solution of step (2) gained is poured in the mold of 1 cubic meter of volume that is filled with sprayed collodion, allows solution to be absorbed evenly and completely by sprayed collodion;
[0039] (4) Put the mold in the reaction furnace to let it react with steam, heat it for 6 hours, and control the temperature at 72°C; and add the excess solution in step (3) during the heating process.
[0040] (5) Pour the cotton block obta...
Embodiment 3
[0044] (1) In a container with a volume of 1 cubic meter, put 30 kg of polyvinyl alcohol particles, add 400 liters of water, heat to 95°C until completely dissolved, stir to cool down to 60°C, add 260 liters of water to stir, and add to the solution Add 70 liters of formaldehyde and stir evenly;
[0045] (2), 60 kilograms of wheat flours are added water in another container and stirred into 160 liters of solutions, then this solution is poured in the container in the step (1) and stirred evenly, then poured the container with concentrated hydrochloric acid and then stirred evenly;
[0046] (3) the solution of step (2) gained is poured in the mold of 1 cubic meter of volume that is filled with sprayed collodion, allows solution to be absorbed evenly and completely by sprayed collodion;
[0047] (4) Put the mold in the reaction furnace to let it react with steam, heat it for 6 hours, and control the temperature at 72°C; and add the excess solution in step (3) during the heating ...
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