Aramid fiber far infrared emission paper and preparation method thereof
A technology of far-infrared emission and aramid fiber, which is applied in pulp beating methods, special paper, fiber raw material processing, etc., can solve the problems of energy shortage, low far-infrared emission rate, and restricted application, so as to facilitate large-scale production and operation simple effect
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[0021] The invention provides a method for preparing aramid fiber far-infrared emitting paper, which includes the following steps:
[0022] (1) The para-aramid chopped fiber is mixed with a disintegrant and water and then subjected to the first disintegration treatment, the obtained fiber is washed and then subjected to low-temperature plasma treatment, and the obtained fiber is mixed with the disintegrant and water and then subjected to the second disintegration treatment , To obtain a para-aramid short-cut fiber slurry; after mixing the para-aramid pulp fibers with water, perform ultrasonic treatment and beating in sequence to obtain a para-aramid pulp fiber slurry;
[0023] (2) After mixing the para-aramid chopped fiber slurry, the para-aramid pulp fiber slurry and the decomposing agent in the step (1), the resulting aramid fiber slurry is coated on the substrate On one side of the film, an aramid fiber layer is formed on one side of the base film after curing treatment;
[0024]...
Example Embodiment
[0042] Example 1
[0043] Mix 1g of para-aramid chopped fibers (with a length of 3-5mm) with 0.01g of sodium dodecylbenzene sulfonate and 100mL of water, and then dissolve them. After washing the fibers with water, they are subjected to a pressure of 80Pa and a power of 80W. Carry out low-temperature plasma treatment for 3 minutes, mix the obtained fiber with 0.01 g of sodium dodecylbenzene sulfonate and 100 mL of water, and then carry out a disintegration treatment to obtain a para-aramid chopped fiber slurry;
[0044] Mix 1g of para-aramid pulp fiber (length 1.2~1.8mm) with 100mL of water, then ultrasonic treatment for 20min, then beating treatment, control the beating degree to 40°SR to obtain para-aramid pulp fiber slurry ;
[0045] The para-aramid chopped fiber slurry, the para-aramid pulp fiber slurry and the disintegrant anionic polyacrylamide (the added amount is the total mass of para-aramid chopped fiber and para-aramid pulp fiber After mixing, the aramid fiber slurry is ...
Example Embodiment
[0049] Example 2
[0050] Mix 2g of para-aramid chopped fibers (with a length of 3-5mm), 0.02g of sodium dodecylbenzene sulfonate and 200mL of water, and then dissolve the fibers. After washing the fibers, they are subjected to a pressure of 80Pa and a power of 80W. Carry out low-temperature plasma treatment for 3 minutes, mix the obtained fiber with 0.02g sodium dodecylbenzene sulfonate and 200mL water, and then carry out disintegration treatment to obtain para-aramid chopped fiber slurry;
[0051] Mix 2g of para-aramid pulp fibers (1.2~1.8mm in length) with 200 mL of water, then ultrasonically treat for 30 minutes, and then perform beating treatment to control the beating degree to 45°SR to obtain para-aramid pulp fiber slurry ;
[0052] The para-aramid chopped fiber slurry, the para-aramid pulp fiber slurry and the disintegrant anionic polyacrylamide (the added amount is the total mass of para-aramid chopped fiber and para-aramid pulp fiber After mixing, the aramid fiber slurry ...
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