Dispersant for chemical fiber paper and method for preparing chemical fiber paper
A chemical fiber and dispersant technology, applied in the direction of fiber dispersant addition, synthetic cellulose/non-cellulose material pulp/paper, pulp beating/refining method, etc., can solve the problem that the beating fiber raw material should not be too long and the content of fine fibers High, performance damage and other problems, to achieve the effect of improving the operation of the machine, the performance is not damaged, and the length of the raw material is relaxed
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Embodiment 1
[0025] Use 1500g of absolute ethanol as component A to clean 15g of absolute-dry polyimide chopped fibers, wash and reflux for 8 hours, rinse the surface of polyimide chopped fibers with distilled water for 2-3 times, and wash away excess components A. Dry in an oven at 80°C for 4 hours. Dry fiber 15g, polyethylene oxide dosage 0.6%, antistatic agent P (alkyl ether phosphate ammonium salt) dosage 0.3%, polyoxyethylene alkyl ether dosage 0.5%, sodium dodecylbenzenesulfonate dosage 0.3% , The amount of defoaming agent alkylphenol polyoxyethylene ether is 0.004%, add 200mL water to dissolve each component, after stirring evenly, mix well with polyimide chopped fiber suspension (slurry concentration 0.04%), mechanical stirring condition Pre-soak for 2 hours, and then take polyimide fiber paper according to the wet papermaking process.
[0026] The specific parameters are shown in Table 1.
Embodiment 2
[0028] Use 2000g of acetone as component A to clean 20g of absolute dry melamine chopped fibers, wash and reflux for 10h, rinse the surface of melamine chopped fibers with distilled water for 2-3 times, wash off excess component A, and place in an oven at 70°C Dry under the same conditions for 5 hours. Dry fiber 20g, polyvinyl alcohol consumption 0.6%, antistatic agent TM (methyl trihydroxyethyl ammonium methyl sulfate) consumption 0.9%, fatty alcohol polyoxyethyl ether consumption 0.6%, sodium lauryl sulfate consumption 0.5% , The amount of polyoxyethylene fatty acid lipid defoamer is 0.005%, add 500mL water to dissolve each component, after stirring evenly, mix well with melamine chopped fiber suspension (0.04% slurry concentration), pre-soak under mechanical stirring condition After 2.5 hours, the melamine fiber paper is copied according to the wet papermaking process.
[0029] The specific parameters are shown in Table 1.
Embodiment 3
[0031] Use 36000g of petroleum ether as component A to clean 360g of absolute dry polyether ether ketone chopped fibers, wash and reflux for 8 hours, rinse the surface of polyether ether ketone chopped fibers with distilled water for 2-3 times, and wash away excess component A , and dried in an oven at 85°C for 4 hours. Dry fiber 360g, polyacrylamide consumption 0.7%, antistatic agent SN (octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate) consumption 1%, octylphenol polyoxyethylene ether consumption 0.7%, dodecane The dosage of sodium phenyl sulfonate is 0.7%, the dosage of polyoxyethylene aliphatic amine defoamer is 0.006%, add 10000mL water to dissolve each component, after stirring evenly, mix with polyether ether ketone chopped fiber evenly, under the condition of mechanical stirring Pre-soak for 1.5h. According to the set beating concentration of 1.57%, add 13000mL of water, beat to 40°SR, and then make polyether ether ketone fiber paper according to the wet pa...
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