Novel coated non-woven fabric and preparation method thereof
A non-woven fabric and coating technology, which is applied in the field of new coated non-woven fabrics and their preparation, can solve the problems of high moisture value, poor thermal shrinkage performance, and the inability of coated products to meet batteries.
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[0038] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.
[0039] It should be noted that the process equipment or devices not specifically indicated in the following examples all adopt conventional equipment or devices in the art.
[0040]In addition, it should be understood that one or more method steps mentioned in the present invention do not exclude that there may be other method steps before and after the combined steps or other method steps may be inserted between these explicitly menti...
Embodiment 1
[0042] a) Weigh 0.22Kg of dispersant (model: SN5040, supplier: Guangzhou Huixiang Chemical Co., Ltd.) and add it into 20Kg of pure water and stir until it is completely dispersed and uniform to form a dispersion. Take 0.33Kg of thickener (model : CMC1220, supplier: Suzhou Fosai New Material Co., Ltd.) into the dispersion, and after stirring evenly, take 15.82kg of nano-alumina powder (large particle: small particle=1:0, where 0 refers to Only add large particles, do not add small particles) into the solution, make slurry A, disperse slurry A at high speed, take a water-based acrylic resin solution with a molecular weight of 70,000-200,000 and a solid content of 45% (model: BYK- 22346, supplier: BYK) 2kg is added to the dispersed slurry, fully stirred, after stirring evenly, the slurry is prepared in this way, the size of the particle is the size of the particle size, and the particle size of the large particle is D50 = 1.0μm , small particle size D50 = 0.6 μm;
[0043] b) Tak...
Embodiment 2
[0045] a) Weigh 0.22Kg of dispersant (model: SN5040, supplier: Guangzhou Huixiang Chemical Co., Ltd.) and add it into 20Kg of pure water and stir until it is completely dispersed and uniform to form a dispersion. Take 0.33Kg of thickener (model : CMC1220, supplier: Suzhou Fusai New Material Co., Ltd.) into the dispersion, and after stirring evenly, take 15.82kg of nano-alumina powder (large particle: small particle=0:1, where 0 refers to Only add small particles, do not add large particles to form a blank comparison) into the solution to form slurry A, disperse slurry A at high speed, take a water-based acrylic resin solution with a molecular weight of 7-200,000 and a solid content of 45% ( Model: BYK-22346, supplier: BYK) 2kg is added to the dispersed slurry, fully stirred, after stirring evenly, the slurry is prepared, the size of the particle size, the size of the large particle size D50=0.9μm-1.3μm, small particle size D50=0.5μm-0.7μm;
[0046] b) Take a non-woven fabric ...
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Abstract
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