A kind of sound-absorbing paper material and its manufacturing method
A manufacturing method and technology for paper materials, which can be applied in special paper, synthetic cellulose/non-cellulose material pulp/paper, paper, etc., can solve the pollution of human environment and air pollution, the sound absorption performance is not ideal, and it is difficult to be used more widely. and other problems, to achieve the effect of good market competitiveness, good fire prevention and self-extinguishing characteristics, and low cost
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no. 1 example
[0073] The manufacturing method of sound-absorbing paper material is as follows:
[0074] (1) Dry the main fiber material at 100°C for 2 hours before manufacturing.
[0075](2), the dried main fiber material and auxiliary material are put into the blender and stirred; wherein, by weight percentage, the formula of the main fiber material is 28% plant fiber, and the auxiliary material formula is 45% cotton fiber , 20% elastic nanocellulose and 7% functional polymer fibers (polyester fiber, polypropylene fiber, aramid fiber weight ratio is 1: 1.2: 2.5).
[0076] (3) During the material mixing process, the chemicals that need to be added are 0.5% flame retardant, 3% water repellent, and 1% preservative, which account for the weight of the dry main fiber material. / min speed stirring evenly.
[0077] (4), the manufacture method of elastic nano cellulose: common paper pulp or plant cotton fiber are first dissolved (1-butyl-3-methylimidazolium chloride salt) condition at room tempe...
no. 2 example
[0086] The manufacturing method of sound-absorbing paper material is as follows:
[0087] (1) Dry the main fiber material at 100°C for 2 hours before manufacturing.
[0088] (2), the dried main fiber material and auxiliary material are put into the blender and stirred; wherein, by weight percentage, the formula of the main fiber material is 70% plant fiber, and the auxiliary material formula is 30% Cotton fiber.
[0089] (3) During the material mixing process, the chemicals that need to be added are 2% flame retardant, 3% water repellent, and 3% preservative, which account for the weight of the dry main fiber material. / min speed stirring evenly.
[0090] (4), the manufacture method of elastic nano cellulose: common paper pulp or plant cotton fiber are first dissolved (1-butyl-3-methylimidazolium chloride salt) condition at room temperature (dissolving temperature is 80 ℃, dissolving time After 1 hour), the elastic nanocellulose with higher elasticity made by spinning in wa...
no. 3 example
[0099] The manufacturing method of sound-absorbing paper material is as follows:
[0100] (1) Dry the main fiber material at 105°C for 2 hours before manufacturing.
[0101] (2), the dried main fiber material and auxiliary material are put into the blender and stirred; wherein, by weight percentage, the formula of the main fiber material is 28% plant fiber, and the auxiliary material formula is 45% Cotton fibers, composed of 27% elastane nanocellulose.
[0102] (3) During the material mixing process, the chemicals that need to be added are 1.5% flame retardant, 8% water repellent, 2% preservative, and 300 rpm in the mixer. / min speed stirring evenly.
[0103] (4), the manufacture method of elastic nano cellulose: common paper pulp or plant cotton fiber are first dissolved (1-butyl-3-methylimidazolium chloride salt) condition at room temperature (dissolving temperature is 80 ℃, dissolving time After 1 hour), the elastic nanocellulose with higher elasticity made by spinning i...
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