CN112210843B - Composite electret material, application thereof and melt-blown fabric - Google Patents
Composite electret material, application thereof and melt-blown fabric Download PDFInfo
- Publication number
- CN112210843B CN112210843B CN202011047514.4A CN202011047514A CN112210843B CN 112210843 B CN112210843 B CN 112210843B CN 202011047514 A CN202011047514 A CN 202011047514A CN 112210843 B CN112210843 B CN 112210843B
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- China
- Prior art keywords
- electret material
- melt
- parts
- composite electret
- blown fabric
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/413—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing granules other than absorbent substances
Abstract
The invention provides a composite electret material, which comprises 50-60 parts of titanium dioxide, 10-30 parts of magnesium oxide and 10-30 parts of silicon dioxide by weight. The invention provides a composite electret material which has simple components and can completely replace natural tourmaline in the prior art, and the filter value of particulate matters of 3-9% of melt-blown cloth can be improved on the premise of equal addition amount.
Description
Technical Field
The invention relates to an electret material for melt-blown fabric production and the application technology field thereof, in particular to a composite electret material, the application thereof and a melt-blown fabric.
Background
At present, the electret materials which are acknowledged in the industry to have good electrostatic electret storage effect and durable electrostatic storage can not leave tourmaline, but are indispensable in various electret schemes.
Tourmaline in the prior art is a natural mineral, wherein the content of each component is different in tourmaline of different batches, production places and the like, the components in the tourmaline need to be specially detected before use, and the electret scheme is adjusted according to the detection result, so that the production efficiency is reduced, the detection cost of an enterprise is increased, and the products of different batches are different due to the adjustment of the electret scheme, so that the product quality is unstable.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a composite electret material capable of replacing natural tourmaline, and the use of the composite electret material can reduce the detection cost of enterprises and avoid frequent adjustment of an electret scheme.
According to an embodiment of the invention, a composite electret material includes, by weight, 50 to 60 parts of titanium dioxide, 10 to 30 parts of magnesium oxide, and 10 to 30 parts of silicon dioxide.
In another scheme, the composite electret material comprises 50-60 parts of titanium dioxide, 10-30 parts of magnesium oxide and 10-30 parts of ferric oxide by weight.
In another scheme, the composite electret material comprises 50-60 parts of ferric oxide, 10-30 parts of magnesium oxide and 10-30 parts of silicon dioxide by weight.
In another scheme, the composite electret material comprises, by weight, 5-10 parts of ferric oxide, 45-50 parts of titanium dioxide, 10-30 parts of magnesium oxide and 10-30 parts of silicon dioxide.
The invention also provides the application of the electret material in the melt-blown fabric, and the addition amount of the composite electret material in the melt-blown fabric formula is 0.05-0.2%.
The invention also provides a melt-blown fabric containing the composite electret material.
Compared with the prior art, the invention has the following beneficial effects:
the composite electret material which has simple components and can completely replace natural tourmaline in the prior art is provided, and the filtering value of the particulate matters of 3-9% of melt-blown cloth can be improved on the premise of equal addition;
the method reduces the component detection cost of the electret material, avoids frequent adjustment of the electret scheme, and is favorable for ensuring the stable and qualified quality of products in each batch.
Detailed Description
The technical solution of the present invention is further illustrated by the following examples.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Example 1
This example provides a composite electret material that includes 50g of titanium dioxide powder, 30g of magnesium oxide powder, and 20g of silicon dioxide powder, which is used in a 0.05% amount in a meltblown fabric formulation.
Example 2
This example provides a composite electret material comprising 50g of titanium dioxide powder, 25g of magnesia powder and 25g of silica powder, which is used in a 0.08% meltblown fabric formulation.
Example 3
This example provides a composite electret material comprising 50g of titanium dioxide powder, 10g of magnesia powder and 30g of silica powder, which is used in a 0.1% meltblown fabric formulation.
Example 4
This example provides a composite electret material comprising 55g of titanium dioxide powder, 25g of magnesia powder and 20g of silica powder, which is used in a 0.12% meltblown fabric formulation.
Example 5
This example provides a composite electret material comprising 60g of titanium dioxide powder, 20g of magnesia powder and 20g of silica powder, which is used in a 0.14% meltblown fabric formulation.
Example 6
This example provides a composite electret material, which includes 50g of titanium dioxide powder, 30g of ferric oxide powder, and 20g of silicon dioxide powder, and the usage amount of the composite electret material in the formula of the melt-blown fabric is 0.16%.
Example 7
The embodiment provides a composite electret material, which comprises 40g of titanium dioxide powder, 30g of magnesium oxide powder, 20g of silicon dioxide powder and 10g of ferric oxide powder, and the usage amount of the composite electret material in a melt-blown fabric formula is 0.18%.
Example 8
The embodiment provides a composite electret material, which comprises 45g of titanium dioxide powder, 30g of magnesium oxide powder, 20g of silicon dioxide powder and 5g of ferric oxide powder, and the usage amount of the composite electret material in a melt-blown fabric formula is 0.2%.
Comparative example 1
The natural tourmaline powder is used as an electret material, and the usage amount of the natural tourmaline powder in the formula of the melt-blown fabric is 0.08%.
Comparative example 2
The natural tourmaline powder is used as an electret material, and the usage amount of the natural tourmaline powder in the formula of the melt-blown fabric is 0.15%.
Comparative example 3
The natural tourmaline powder is used as an electret material, and the usage amount of the natural tourmaline powder in the formula of the melt-blown fabric is 0.2%.
The meltblown fabrics produced in examples 1-8 and the comparative example were tested and the results are given in the following table:
note: the gram weight of the melt-blown fabric is 19g/cm 2 。
As can be seen from the test results in the above table, the salt resistance and oil resistance data of the meltblown fabrics obtained in examples 1-8 are more stable and higher than those of comparative examples 1-3, which indicates that the meltblown fabrics produced by the processes have more stable quality;
meanwhile, the salt filtration and oil filtration data of the meltblown fabrics obtained in examples 1-8 are higher than those of comparative examples 1-3 and are higher than 95% (wherein the oil filtration is higher than 98%), which indicates that the meltblown fabrics obtained have higher filterability;
wherein, the lowest values of the salt filtration and the oil filtration in the examples 1 to 8 are respectively 95.16%, 96.87% and 98.91%, which are higher than the highest values in the comparative examples 1 to 3, namely 93.35%, 93.97% and 94.48%.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (2)
1. The melt-blown fabric is characterized in that a composite electret material with the addition of 0.05-0.2% is added in a formula of the melt-blown fabric, and the composite electret material only comprises 50-60 parts of titanium dioxide, 10-30 parts of magnesium oxide and 10-30 parts of silicon dioxide.
2. The melt-blown fabric is characterized in that a composite electret material with the addition of 0.05-0.2% is added in a melt-blown fabric formula, and the composite electret material only comprises 5-10 parts of ferric oxide, 45-50 parts of titanium dioxide, 10-30 parts of magnesium oxide and 10-30 parts of silicon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047514.4A CN112210843B (en) | 2020-09-29 | 2020-09-29 | Composite electret material, application thereof and melt-blown fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047514.4A CN112210843B (en) | 2020-09-29 | 2020-09-29 | Composite electret material, application thereof and melt-blown fabric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112210843A CN112210843A (en) | 2021-01-12 |
| CN112210843B true CN112210843B (en) | 2023-03-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011047514.4A Active CN112210843B (en) | 2020-09-29 | 2020-09-29 | Composite electret material, application thereof and melt-blown fabric |
Country Status (1)
| Country | Link |
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| CN (1) | CN112210843B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09154547A (en) * | 1995-12-13 | 1997-06-17 | Beam Kogyo Kk | Production of fruit beverage |
| JP2004120809A (en) * | 2002-09-24 | 2004-04-15 | Ricoh Co Ltd | Inorganic erectret actuator, manufacturing method thereof, liquid droplet injecting head, optical device, pressure sensor, oscillator, and motor |
| CN101977763A (en) * | 2008-03-27 | 2011-02-16 | 旭硝子株式会社 | Electret and electrostatic induction conversion device |
| KR20110029504A (en) * | 2009-09-15 | 2011-03-23 | 이소영 | Fluororesin polymer electret and process for producing the same |
| JP2013238418A (en) * | 2012-05-11 | 2013-11-28 | Nippon Soken Inc | Particulate matter detection element and particulate matter detection sensor |
| CN111423663A (en) * | 2020-06-09 | 2020-07-17 | 金发科技股份有限公司 | Long-acting melt-blown polypropylene composite electret material for mask melt-blown cloth and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10257240B4 (en) * | 2002-12-04 | 2005-03-10 | Coty Bv | Cosmetic composition with electrical charge carriers and their use |
-
2020
- 2020-09-29 CN CN202011047514.4A patent/CN112210843B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09154547A (en) * | 1995-12-13 | 1997-06-17 | Beam Kogyo Kk | Production of fruit beverage |
| JP2004120809A (en) * | 2002-09-24 | 2004-04-15 | Ricoh Co Ltd | Inorganic erectret actuator, manufacturing method thereof, liquid droplet injecting head, optical device, pressure sensor, oscillator, and motor |
| CN101977763A (en) * | 2008-03-27 | 2011-02-16 | 旭硝子株式会社 | Electret and electrostatic induction conversion device |
| KR20110029504A (en) * | 2009-09-15 | 2011-03-23 | 이소영 | Fluororesin polymer electret and process for producing the same |
| JP2013238418A (en) * | 2012-05-11 | 2013-11-28 | Nippon Soken Inc | Particulate matter detection element and particulate matter detection sensor |
| CN111423663A (en) * | 2020-06-09 | 2020-07-17 | 金发科技股份有限公司 | Long-acting melt-blown polypropylene composite electret material for mask melt-blown cloth and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112210843A (en) | 2021-01-12 |
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