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Production equipment and method for batch casting and micro-dipping of ultrathin polymer composite film

A production equipment and polymer technology, applied in chemical instruments and methods, membrane technology, semi-permeable membrane separation, etc., can solve problems such as the inability to prepare ultra-thin polymer composite membranes, achieve easy parameter control, prevent pollution, The effect of low equipment investment cost

Inactive Publication Date: 2013-12-04
HUBEI LONGFEIXIANG IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] 4. Masks with charged filter materials, which have the same use restrictions as activated carbon masks
[0014] The applicant has used the tape casting method of the prior art for reference, but the method and equipment of the tape casting molding in the prior art cannot be used to prepare the ultra-thin film containing the homogeneous non-porous polymer film layer described by the applicant polymer composite film

Method used

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  • Production equipment and method for batch casting and micro-dipping of ultrathin polymer composite film
  • Production equipment and method for batch casting and micro-dipping of ultrathin polymer composite film
  • Production equipment and method for batch casting and micro-dipping of ultrathin polymer composite film

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Embodiment 1

[0053] The present invention uses Teflon AF2400 as the material of the homogeneous non-porous polymer ultra-thin film layer 2, and Teflon AF2400 is a polymer with a high oxygen permeability or a high selectivity to oxygen permeation that obeys a dissolution-diffusion model. The highly asymmetric submicron polysulfone is used as the material of the porous ultra-thin film carrier layer 3 . The average pore size distribution characteristics of the highly asymmetric sub-micron polysulfone are as follows: 1. The highly asymmetric sub-micron polysulfone is used as a porous ultra-thin film carrier layer 3, which is the surface micro-dipped with Teflon AF2400 solution , that is, the surface in contact with the homogeneous non-porous polymer ultra-thin film layer 2, its average pore diameter is 0.05 micron, 2, the average pore diameter is 0.05 micron thickness is only 10 microns, 3, the average pore diameter of the outer surface is 5.0 Micron, 4. The total thickness is 120 microns, and...

Embodiment 2

[0063] Present embodiment uses described Teflon AF2400 as the material of homogeneous non-porous polymer ultra-thin film layer 2, selects polytetrafluoroethylene porous polymer and polyester non-woven fabric as porous ultra-thin film carrier layer 3, as attached figure 2 As shown, the polytetrafluoroethylene porous polymer layer is the porous ultra-thin film carrier layer 3-1, and the polyester non-woven support substrate is the porous ultra-thin film carrier layer 3-2, the porous ultra-thin film carrier layer 3 -1 and the porous ultra-thin film carrier layer 3-2 are made into the porous ultra-thin film carrier layer 3 by lamination and bonding. The characteristics of using the porous ultra-thin film carrier layer 3-1 and the porous ultra-thin film carrier layer 3-2 as the carrier layer material are: 1. The average pore diameter of the polytetrafluoroethylene porous polymer is 0.02 micron and the thickness is 40-60 micron , the porosity is 60%; 2, the polyester non-woven supp...

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Abstract

The invention discloses production equipment and a method for batch casting and micro-dipping of ultrathin polymer composite film and belongs to the technical field of chemical equipment and process. The production equipment comprises a conveying system, a computer control system, a micro-dipping system, a drying system and a solvent recovery system. The equipment and the method are for intermittent production. The composite film produced by the equipment and the method is high in production efficiency, and the finished film is high in quality. In order to produce even and flawless composite film, evaporating speed of solvents in the polymer solution coating is controlled. Retention time and vacuity of wet film in a vacuum drier are controlled especially; the evaporating speed of the solvents in the polymer solution coating is controlled effectively; accordingly, the quality of the composite film is guaranteed. The equipment and the method also allow for recovery of the solvents, so that production cost is saved; meanwhile, environmental pollution is avoided.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment and technology, and in particular relates to a device for filtering or passing through air and capable of producing five anti-dust particles (including PM2.5), anti-virus, anti-bacteria, anti-pollutant, anti-smoke ) and oxygen-enriched functions, a manufacturing device and a preparation method of an ultra-thin polymer composite membrane made of a polymer with a high oxygen permeability or a highly selective permeation of oxygen that obeys a dissolution-diffusion model. Background technique [0002] Air pollution produces smog in densely populated areas, especially in large and medium-sized cities, seriously threatening people's health and lives. The mechanism that haze weather produces is very complicated, and its chemical composition is also very complicated. These substances may cause cancer and other serious diseases. More importantly, viruses and germs can survive and reproduce on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D69/12
Inventor 黄河
Owner HUBEI LONGFEIXIANG IND GRP CO LTD
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