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A kind of long-acting electret PP non-woven fabric and preparation method thereof

A technology of non-woven fabrics and electret, which is applied in the direction of non-woven fabrics, textiles, papermaking, rayon manufacturing, etc. It can solve the problems of short static charge storage time, not very effective, and accelerated decay speed, so as to prolong the electrostatic decay cycle , Improve the adsorption effect, the effect of low breathing resistance

Active Publication Date: 2021-03-30
青岛科凯达橡塑有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The particle size of these dusts and bacteria is about 0.1-0.3 microns, and it is difficult to filter them out with ordinary filters.
After our country has withstood the crazy attack of SARS, people have stricter requirements on the filtration efficiency and particle size of filter materials. However, traditional air filter materials are not very effective in filtering particles with a particle size of less than 1 micron, and there is static electricity. The storage time of the charge is short, the charge decays quickly, especially under high humidity conditions, the decay rate is further accelerated, so the filtration efficiency drops rapidly after a certain period of time, especially after the disinfectant loses the filtration efficiency after cleaning, and cannot be used repeatedly.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • A kind of long-acting electret PP non-woven fabric and preparation method thereof
  • A kind of long-acting electret PP non-woven fabric and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] In this example, a long-lasting electret PP nonwoven fabric is mainly prepared from the following components in parts by weight: 35 parts of electret masterbatch, 40 parts of melt-blown grade PP, 12 parts of surface-treated silica, 4 parts of polyvinylidene fluoride, 5 parts of polytetrafluoroethylene, 3 parts of PFA, and additives.

[0033] A kind of long-acting electret PP nonwoven fabric preparation method of the present embodiment comprises the following steps:

[0034] Step 1. Mix 35 parts of electret masterbatch, 40 parts of melt-blown grade PP, 12 parts of surface-treated silica, 4 parts of polyvinylidene fluoride, 5 parts of polytetrafluoroethylene, and 3 parts of PFA;

[0035] Step 2, then add 0.2 parts of antioxidant 1010, 0.1 part of nylon PA6, 0.1 part of BASF light stabilizer 234, 0.1 part of pentaerythritol stearate, 0.1 part of sorbitol PP nucleating agent, 0.2 part of phthalate Dibutyl formate, 0.1 part of butyl rubber, and 0.1 part of azodicarbonamide ar...

Embodiment 2

[0038] In this example, a long-lasting electret PP nonwoven fabric is mainly prepared from the following components in parts by weight: 30 parts of electret masterbatch, 36 parts of melt-blown grade PP, 17 parts of surface-treated silica, 5 parts of polyvinylidene fluoride, 7 parts of polytetrafluoroethylene, 4 parts of PFA, and additives.

[0039] A kind of long-acting electret PP nonwoven fabric preparation method of the present embodiment comprises the following steps:

[0040] Step 1, 30 parts of electret masterbatch, 36 parts of melt-blown grade PP, 17 parts of surface-treated silica, 5 parts of polyvinylidene fluoride, 7 parts of polytetrafluoroethylene, and 4 parts of PFA are mixed;

[0041] Step 2, then add 0.2 parts of antioxidant 1010, 0.1 part of nylon PA6, 0.1 part of BASF light stabilizer 234, 0.1 part of pentaerythritol stearate, 0.1 part of sorbitol PP nucleating agent, 0.2 part of phthalate Dibutyl formate, 0.1 part of butyl rubber, and 0.1 part of azodicarbon...

Embodiment 3

[0044] In this example, a long-lasting electret PP nonwoven fabric is mainly prepared from the following components in parts by weight: 33 parts of electret masterbatch, 44 parts of melt-blown grade PP, 8 parts of surface-treated silica, 3 parts of polyvinylidene fluoride, 6 parts of polytetrafluoroethylene, 5 parts of PFA, and additives.

[0045] A kind of long-acting electret PP nonwoven fabric preparation method of the present embodiment comprises the following steps:

[0046] Step 1, 33 parts of electret masterbatch, 44 parts of melt-blown grade PP, 8 parts of surface-treated silica, 3 parts of polyvinylidene fluoride, 6 parts of polytetrafluoroethylene, and 5 parts of PFA are mixed;

[0047] Step 2, then add 0.2 parts of antioxidant 1010, 0.1 part of nylon PA6, 0.1 part of BASF light stabilizer 234, 0.1 part of pentaerythritol stearate, 0.1 part of sorbitol PP nucleating agent, 0.2 part of phthalate Dibutyl formate, 0.1 part of butyl rubber, and 0.1 part of azodicarbonam...

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Abstract

The invention provides long-acting electret PP non-woven fabric. The long-acting electret PP non-woven fabric is mainly prepared from the following components in parts by weight: 30 to 35 parts of electret master batch, 36 to 44 parts of melt-blown polypropylene, 8 to 17 parts of surface-treated silicon dioxide, 3 to 5 parts of polyvinylidene fluoride, 5 to 7 parts of polytetrafluoroethylene and 3to 5 parts of PFA. According to the long-acting electret PP non-woven fabric and the preparation method thereof provided by the invention, after the non-woven fabric is treated by an electret process, the filtering performance and charge storage performance of fibers are greatly improved, the high temperature resistance and high humidity resistance of the non-woven fabric are effectively improved, meanwhile, the hydrophobic and oleophobic properties of the fibers are also improved, and the service life is prolonged. In addition, the long-acting electret non-woven fabric also has the functionsof antibiosis, disinfection, deodorization and the like.

Description

technical field [0001] The invention relates to the technical field of textiles, in particular to a long-acting electret PP nonwoven fabric and a preparation method thereof. Background technique [0002] With the improvement of people's living standards in our country, people's requirements for their own health and environment are getting higher and higher. Airborne dust and bacteria are two of the most serious pollutants, especially in public places, or indoors with poor ventilation, such as patient rooms and public facilities. The particle size of these dust and bacteria is about 0.1-0.3 microns, which is difficult to filter out with ordinary filters. After our country has withstood the crazy attack of SARS, people have stricter requirements on the filtration efficiency and particle size of filter materials. However, traditional air filter materials are not very effective in filtering particles with a particle size of less than 1 micron, and there is static electricity. ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D04H1/56D04H1/541D06M10/02D01F8/10D01F8/06D01F1/10
CPCD01F1/10D01F8/06D01F8/10D04H1/541D04H1/56D06M10/025
Inventor 郑君张哲穆明浩陈秀秀王盼郑捷元杨茂君
Owner 青岛科凯达橡塑有限公司
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