Tubular film based on nuclear track film and application

A nuclear pore membrane, tubular membrane technology, applied in membrane technology, semi-permeable membrane separation, water/sludge/sewage treatment, etc. Difficulty in application

Inactive Publication Date: 2020-10-30
惠州市科近离子膜材料研究院 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a tubular membrane based on a nuclear pore membrane and its application, which effectively solves the technical problems of t

Method used

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  • Tubular film based on nuclear track film and application
  • Tubular film based on nuclear track film and application

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specific Embodiment 1

[0030]This embodiment provides a tubular membrane based on a nuclear pore membrane, including a composite material, the composite material is wound to form a tubular structure, the composite material includes a support layer and a nuclear pore membrane layer, and the support layer is PET Non-woven fabric, the nuclear pore membrane layer is hot-pressed and composited on the outside of the support layer, the nuclear pore membrane layer is distributed with channels for screening, and there are overlapping positions between adjacent composite materials. The width is 2 mm, and the composite material is rolled into a tubular tube film at 45°, and the superimposed parts are sealed by ultrasonic welding.

[0031] The material of the nuclear pore membrane layer is PET, the thickness of the nuclear pore membrane layer is 15 microns, the pore diameter is 15 microns, and the pore density is 2×10 5 pieces / square centimeter; the thickness of the support layer non-woven fabric is 50 microns,...

specific Embodiment 2

[0033] This embodiment provides a tubular membrane based on a nuclear pore membrane, including a composite material, the composite material is wound to form a tubular structure, the composite material includes a support layer and a nuclear pore membrane layer, and the support layer is PP Non-woven fabric, the nuclear pore membrane layer is hot-pressed and composited on the outside of the support layer, the nuclear pore membrane layer is distributed with channels for screening, and there are overlapping positions between adjacent composite materials. The width is 3 mm, and the composite material is rolled into a tubular tube film at 30°, and the superimposed parts are sealed by ultrasonic welding.

[0034] The material of the nuclear pore membrane layer is PP, the thickness of the nuclear pore membrane is 15 microns, the pore diameter is 15 microns, and the pore density is 2×105 per square centimeter; the thickness of the non-woven fabric is 150 microns, the pore diameter is 20 ...

specific Embodiment 3

[0036] This embodiment provides a tubular membrane based on a nuclear pore membrane, including a composite material, the composite material is wound to form a tubular structure, the composite material includes a support layer and a nuclear pore membrane layer, and the support layer is PP non-woven fabric, the nuclear pore membrane layer is hot-compressed on the inner and outer sides of the support layer, that is, the nuclear pore membrane layer is compounded on the inner and outer sides of the support layer, and the nuclear pore membrane layer is distributed with For the sieve channel, there is an overlapping position between adjacent composite materials, and the width of the overlapping position is 3 mm. The composite material is rolled into a cylindrical tubular film at 30°, and the overlapping position is sealed by ultrasonic welding.

[0037] The material of the nuclear pore membrane layer is PP, the thickness of the nuclear pore membrane is 15 microns, the pore diameter is...

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Abstract

The invention relates to a tubular film based on a nuclear track film and application. The tubular film based on the nuclear track film comprises a composite material, the composite material is woundto form a tubular structure and comprises a supporting layer and a nuclear track film layer, the nuclear track film layer is compounded on the outer side or the inner side and the outer side of the supporting layer in a hot pressing mode, pore channels playing a screening role are distributed in the nuclear track film layer, the inner diameter of the channels is larger than 2 mm, and the thicknessof the channel wall is larger than or equal to 10 micrometers. Through hot-pressing compounding, the nuclear track film is successfully applied to the tubular film, the length of the tubular film isnot limited, the minimum pore diameter of the tubular film can reach 0.01 mm, the filtering precision of the tubular film is improved, the bearing pressure value is larger, and the engineering application range is wide. According to the invention, the types of tubular film materials are broadened, the tubular film adopts a new material, the physical and chemical properties of the tubular film areimproved, and a solution is provided for the engineering application of the nuclear track film.

Description

technical field [0001] The invention belongs to the technical field of membrane separation, and specifically relates to a nuclear pore membrane, and more specifically relates to a tubular membrane based on the nuclear pore membrane and its application. Background technique [0002] Membrane separation technology is a high-tech developed in the past 30 years. Membrane technology can be divided into four types: flat membrane, tubular membrane, roll membrane and hollow fiber membrane in terms of structural characteristics. Tubular membranes and hollow fibers are similar in appearance and are cylindrical. Hollow fiber membranes are typically less than 3 mm in diameter, while tubular membranes are typically 4-25 mm in diameter. Tubular membranes can be divided into organic tubular membranes and inorganic tubular membranes. Organic tubular membranes mainly include PVDF, PES, PP, PAN and PS. Compared with other structures, the advantage of tubular membrane is that it requires s...

Claims

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Application Information

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IPC IPC(8): B01D63/06B01D61/14C02F1/44C02F3/12C02F7/00
CPCB01D63/065B01D61/147C02F1/444C02F3/1268C02F7/00Y02W10/10
Inventor 莫丹胡正国徐瑚珊王玥梁文军曹旭峰
Owner 惠州市科近离子膜材料研究院
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