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Method for preparing modified ultra-high molecular mass polyethylene micropore filter element

An ultra-high molecular weight, polyethylene technology, applied in separation methods, chemical instruments and methods, filtration and separation, etc., can solve problems such as incomplete filtration effect

Inactive Publication Date: 2009-07-08
SHANXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention provides a method for preparing a modified ultra-high molecular weight polyethylene microporous filter element in order to solve the problems of incomplete filtering effect existing in the existing microporous membrane technology

Method used

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  • Method for preparing modified ultra-high molecular mass polyethylene micropore filter element
  • Method for preparing modified ultra-high molecular mass polyethylene micropore filter element

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Effect test

Embodiment 1

[0034] Embodiment 1, a preparation method of a modified ultra-high molecular weight polyethylene microporous filter element, select ultra-high molecular weight polyethylene, zeolite, and activated carbon with a molecular weight of 3 to 4 million; the mass ratio of polyethylene: modified zeolite: activated carbon is: 60:15:5,

[0035] Production process: Polyethylene passes through a 100-mesh sieve, activated carbon passes through a 100-mesh sieve, and modified zeolite passes through a 100-mesh sieve, batching according to the mass ratio, loading into a mold, and sintering. Sintering temperature: 170-250°C, sintering time: 1-3 hours, step heating method: heat the temperature of the sintering furnace to 130-155°C, put the membrane material with a stainless steel mold into the sintering furnace, and keep it warm for 1-2 hours , and then heat the furnace temperature to 170-250 ° C, and then keep warm for 1-2 hours.

[0036] Modification method of natural zeolite:

[0037] ① Zeol...

Embodiment 2

[0040] Embodiment 2, a preparation method of a modified ultra-high molecular weight polyethylene microporous filter element, select ultra-high molecular weight polyethylene, zeolite, and activated carbon with a molecular weight of 3 to 4 million; the mass ratio of polyethylene: modified zeolite: activated carbon is: 80:5:15,

[0041] Production process: Polyethylene passes through a 150-mesh sieve, activated carbon passes through a 150-mesh sieve, and modified zeolite passes through a 200-mesh sieve, batching according to the mass ratio, loading into a mold, and sintering. Sintering temperature: 170-250°C, sintering time: 1-3 hours, heating method: heat the temperature of the sintering furnace to 130-155°C, put the membrane material with a stainless steel mold into the sintering furnace, keep it warm for 1-2 hours, Then heat the furnace temperature to 170-250°C and keep it warm for 1-2 hours.

Embodiment 3

[0042] Embodiment 3, a preparation method of a modified ultra-high molecular weight polyethylene microporous filter element, select ultra-high molecular weight polyethylene, zeolite, and activated carbon with a molecular weight of 3 to 4 million; polyethylene: modified zeolite: activated carbon The mass ratio is: 70:10:10,

[0043] Production process: Polyethylene passes through a 200-mesh sieve, activated carbon passes through a 200-mesh sieve, and modified zeolite passes through a 200-mesh sieve, batching according to the mass ratio, loading into a mold, and sintering. Sintering temperature: 170-250°C, sintering time: 1-3 hours, heating method: heat the temperature of the sintering furnace to 130-155°C, put the membrane material with a stainless steel mold into the sintering furnace, keep it warm for 1-2 hours, Then heat the furnace temperature to 170-250°C and keep it warm for 1-2 hours.

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Abstract

The invention relates to a method for preparing a forming filter medium, in particular to a method for preparing a modified ultra-high molecular weight polyethylene micro porous filter element. The invention solves the problems of incomplete filtration in the prior art of micro porous membrane. The modified ultra-high molecular weight polyethylene micro porous filter element is prepared by mixing and sintering modified zeolite, active carbon and ultra-high molecular weight polyethylene. The invention has the novelty that the micro porous filtration membrane is modified by means of mixing the active carbon and the modified zeolite into the ultra-high molecular weight polyethylene. Therefore, the physical structure of the filtration membrane can be changed, and the filtration membrane is granted wide chemical absorption function.

Description

technical field [0001] The invention relates to a preparation method of a shaped filter medium, in particular to a preparation method of a modified ultra-high molecular weight polyethylene microporous filter core. Background technique [0002] In our daily life, water is the lifeblood of industry and agriculture. The water obtained directly from nature is often not pure water. The water generally contains a large amount of calcium and magnesium ions, heavy metal ions, microorganisms, and even some toxic organic substances after being polluted. Therefore, a lot of natural water cannot be directly applied to industrial and agricultural production and life. In order to effectively remove these impurities, filtration is an effective method. Selecting a suitable filter medium can achieve the purpose of removing impurities in water. [0003] Common filter materials include activated carbon, natural zeolite, and inorganic and organic microporous membrane materials. remove. [00...

Claims

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Application Information

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IPC IPC(8): B01D39/14B29C67/04B29C67/20B29K23/00B29L31/14
Inventor 张永平王俊宏王梦亮刘滇生
Owner SHANXI UNIV
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