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A kind of antibacterial glass fiber composite filter paper and preparation method thereof

A composite filtration and glass fiber technology, applied in the direction of filtration separation, separation method, and dispersed particle filtration, etc., can solve the problems of unsatisfactory sterilization effect, limited popularization and application, complicated process, etc., and achieve low flow resistance and antibacterial effect Excellent, simple process effect

Active Publication Date: 2017-07-07
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, its sterilization effect is not very ideal, and it cannot be used in areas with very strict sterilization requirements.
[0006] The Chinese patent with the patent number CN 101898134 A proposes a liquid-phase preparation method of carbon nanotubes and cobalt oxide composite structures. Combining the advantages of carbon nanotubes and the unique advantages of cobalt oxide in the field of catalysis, the cobalt oxide nanostructure liquid phase On the basis of the simple preparation method, a liquid-phase preparation method of carbon nanotubes and cobalt oxide composite structures is proposed, and a low-temperature liquid phase method is used to obtain carbon nanotubes and cobalt oxide composite structures without thermal decomposition of high-temperature protective gas, which is simple and easy to operate and can By adjusting the concentration of the mixed solution and the relative ratio of the carbon tube to the mixed solution, a composite structure with different sizes and quantities of cobalt oxide particles on the carbon tube can be obtained, but the process is too complicated, and the feasibility of industrialization is low. Limit the promotion and application of this technology

Method used

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  • A kind of antibacterial glass fiber composite filter paper and preparation method thereof
  • A kind of antibacterial glass fiber composite filter paper and preparation method thereof

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Embodiment 1

[0029] An antibacterial glass fiber composite filter paper, comprising a three-layer structure of an upper glass fiber layer, a lower glass fiber layer and an adsorption layer, characterized in that the composite filter paper adsorption layer is between the upper glass fiber layer and the lower glass fiber layer, The thickness of the adsorption layer is 0.005mm, and it is composed of fibrous activated carbon with an average fiber diameter of 1-20 μm, organic fibers with an average fiber diameter of 0.2-12 μm, and silica gel particles with an average particle diameter of 1-5 μm. The homogeneous mixture of alkali microfiber glass wool and short cut strands of alkali-free glass fibers with a diameter of 3-5 μm and a length of 0.5-5 mm is prepared by a wet process. The lower glass fiber layer is made of alkali-free microfiber glass wool of 12°SR, and A homogeneous mixture of alkali-free glass fiber chopped strands with a diameter of 8-16 μm and a length of 3-8 mm is prepared by a w...

Embodiment 2

[0039] An antibacterial glass fiber composite filter paper, comprising a three-layer structure of an upper glass fiber layer, a lower glass fiber layer and an adsorption layer, characterized in that the composite filter paper adsorption layer is between the upper glass fiber layer and the lower glass fiber layer, The thickness of the adsorption layer is 0.01mm, and it is composed of fibrous activated carbon with an average fiber diameter of 1-20 μm, organic fibers with an average fiber diameter of 0.2-12 μm, and silica gel particles with an average particle diameter of 1-5 μm. The homogeneous mixture of alkali microfiber glass wool and short cut strands of alkali-free glass fibers with a diameter of 3-5 μm and a length of 0.5-5 mm is prepared by a wet process, and the lower glass fiber layer is made of alkali-free microfiber glass wool of 18 ° SR, and A homogeneous mixture of alkali-free glass fiber chopped strands with a diameter of 8-16 μm and a length of 3-8 mm is prepared b...

Embodiment 3

[0049] An antibacterial glass fiber composite filter paper, comprising a three-layer structure of an upper glass fiber layer, a lower glass fiber layer and an adsorption layer, characterized in that the composite filter paper adsorption layer is between the upper glass fiber layer and the lower glass fiber layer, The thickness of the adsorption layer is 0.015mm, and it is composed of fibrous activated carbon with an average fiber diameter of 1-20 μm, organic fibers with an average fiber diameter of 0.2-12 μm, and silica gel particles with an average particle diameter of 1-5 μm. The homogeneous mixture of alkali microfiber glass wool and short cut strands of alkali-free glass fibers with a diameter of 3-5 μm and a length of 0.5-5 mm is prepared by a wet process, and the lower glass fiber layer is made of alkali-free microfiber glass wool of 24 ° SR, and A homogeneous mixture of alkali-free glass fiber chopped strands with a diameter of 8-16 μm and a length of 3-8 mm is prepared ...

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Abstract

An antibacterial glass fiber composite filter paper, comprising a three-layer structure of an upper glass fiber layer, a lower glass fiber layer and an adsorption layer, characterized in that the composite filter paper adsorption layer is between the upper glass fiber layer and the lower glass fiber layer, The thickness of the adsorption layer is 0.005-0.015mm, and the surfaces of the upper glass fiber layer, the lower glass fiber layer and the fiber surface of the adsorption layer are all impregnated with an antibacterial coating. The invention also discloses a preparation method of antibacterial glass fiber composite filter paper, which is characterized in that it comprises the following steps: (1) dispersion pulping in a beating tank; (2) wet forming; (3) papermaking forming; (4) Dip the antibacterial coating; (5) drying by hot pressing. The beneficial effects of the present invention are: ①simple process; ②excellent product performance; ③excellent antibacterial effect.

Description

technical field [0001] The invention relates to a filter material and a preparation method thereof, in particular to an antibacterial glass fiber composite filter paper and a preparation method thereof. Background technique [0002] Filter paper is an effective filter medium, and filter paper has been widely used in various fields that require filtration. According to the different types of fibers that make up the filter paper, the performance and use of the filter paper are also different. There are ordinary filter paper for general occasions, glass fiber filter paper for high temperature, and polypropylene filter paper for ultra-clean use. Filter paper can be made of wood fiber, artificial fiber, glass fiber or a mixture of the three and formed on a paper machine to meet certain strength, stiffness and air permeability requirements. It is different from ordinary paper mainly because it has higher requirements for strength, stiffness and air permeability. With the continu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D39/14B01D46/00D21F11/04D21F11/14D21H17/66D21H21/36D21H25/06
Inventor 陈照峰鲍舒婷吴操李斌斌王蕾叶信立
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS