CN112853614A - Medical protective clothing fabric resistant to repeated washing and preparation method thereof - Google Patents
Medical protective clothing fabric resistant to repeated washing and preparation method thereof Download PDFInfo
- Publication number
- CN112853614A CN112853614A CN202110013393.XA CN202110013393A CN112853614A CN 112853614 A CN112853614 A CN 112853614A CN 202110013393 A CN202110013393 A CN 202110013393A CN 112853614 A CN112853614 A CN 112853614A
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- Prior art keywords
- fabric
- medical protective
- protective clothing
- washing
- spinneret plate
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- 239000004744 fabric Substances 0.000 title claims abstract description 48
- 238000005406 washing Methods 0.000 title claims abstract description 40
- 230000001681 protective effect Effects 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims description 27
- 239000002131 composite material Substances 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000003431 cross linking reagent Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 210000004369 blood Anatomy 0.000 abstract description 7
- 239000008280 blood Substances 0.000 abstract description 7
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 210000001124 body fluid Anatomy 0.000 abstract description 2
- 239000010839 body fluid Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 20
- 239000005020 polyethylene terephthalate Substances 0.000 description 20
- 239000004745 nonwoven fabric Substances 0.000 description 7
- 230000003487 anti-permeability effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000002759 woven fabric Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
-
- 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
- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
Abstract
The invention discloses a medical protective clothing fabric resistant to repeated washing, which is prepared from 90-60 wt% of PET and 10-40 wt% of PA by a spun-bonded spunlacing method, wherein a spinneret plate used in spun-bonding is an orange-lobe spinneret plate. Compared with the traditional medical protective clothing fabric, the fabric has good air permeability, softness and strength, has the function of shielding liquid such as water, blood, body fluid and the like meeting the standard requirements of the medical protective clothing, can be repeatedly used, is not easy to damage in the using process, and still meets the standard requirements of the medical protective clothing after being washed for many times.
Description
Technical Field
The invention belongs to the technical field of safety protection of medical workers, and particularly relates to a medical protective clothing fabric resistant to repeated washing and a preparation method thereof.
Background
The fabrics of the existing medical protective clothing are limited in selection and influenced by raw materials, and most of the fabrics still take polyolefin non-woven fabrics or composite fabrics thereof as main fabrics, such as PP, PE and the like. The PP material has poor illumination resistance, can be degraded under the irradiation of strong light for a long time, so that the mechanical property is reduced, the gram weight of the PP film-coated non-woven fabric adopted by disposable medical protective clothing in the market is about 80 generally, and the mechanical strength and the waterproofness can not meet the standard requirements after 1-2 times of washing. At present, some woven fabrics with higher strength are also on the market, the surface of the woven fabrics is coated with a PE film for waterproof treatment, the PE film on the surface of the woven fabrics is damaged after 5 times of washing, and the waterproofness and the blood resistance are reduced. Therefore, the development of a brand-new reusable medical protective garment resistant to repeated washing has important significance for long-term protection of national public safety.
Disclosure of Invention
The invention aims to overcome the defects of the medical protective clothing and provides a medical protective clothing fabric resistant to repeated washing, protective clothing made of the fabric and a manufacturing process.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a medical protective clothing fabric resistant to repeated washing is characterized in that: the fabric is prepared from 90-60 wt% of PET and 10-40 wt% of PA by a spun-bonding spunlacing method, wherein a spinneret plate used in spun-bonding is an orange-lobe spinneret plate.
Preferably, the fiber fineness of the fabric is 2-10 dtex.
Preferably, the grammage of the fabric is 90-130 grams per square meter.
The preparation method of the medical protective clothing fabric resistant to repeated washing comprises the following steps:
(1) melting PET and PA;
(2) extruding the molten PET and PA from a orange-petal spinneret plate to obtain orange-petal composite fibers;
(3) forming a net and bonding;
(4) and (4) carrying out water punching.
Preferably, the preparation method further comprises the step (5) of padding.
More preferably, the fabric is padded in a waterproof agent bath solution, wherein the waterproof agent bath solution contains 50-100 g/L of waterproof agent and 20-40 g/L of cross-linking agent.
And (4) sizing after padding, wherein the sizing temperature is 150-180 ℃, and the time is 30-60 seconds.
The orange petal type composite fiber is burst and cracked under the puncture action of the water needle to form superfine fiber, so that good air permeability, softness and strength are obtained.
The medical protective clothing is made of the fabric.
The fabric provided by the invention is a novel spun-bonded spunlace composite process non-woven fabric, has good air permeability, softness and strength, has the function of shielding water, blood, body fluid and other liquids meeting the standard requirements of medical protective clothing, can be repeatedly used, is not easy to damage in the using process, and still meets the standard requirements of the medical protective clothing after being washed for many times.
Drawings
FIG. 1 is a schematic view of a process for preparing the fabric of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Example 1
A preparation method of medical protective clothing fabric resistant to repeated washing comprises the following steps:
(1) drying PET (polyethylene terephthalate) and PA (polyamide) chips;
(2) feeding PET and PA slices into a screw extruder respectively for melt extrusion;
(3) filtering the molten PET and PA, and extruding 90 wt% of PET and 10 wt% of PA from a spinneret plate of a spinning device by a metering pump, wherein the spinneret plate is an orange-petal-shaped spinneret plate to obtain orange-petal-shaped composite fibers;
(4) drafting the composite fiber to a lapping machine by airflow, and lapping and hot-pressing to form non-woven fabric;
(5) carrying out high-pressure spunlace treatment to split the orange petal type composite fibers into superfine fibers;
(6) padding in the waterproof agent bath solution, wherein the addition amount of the waterproof agent is 50g/L, the addition amount of the cross-linking agent is 20g/L, the setting temperature is 150 ℃, and the setting time is 30 seconds.
The fiber number of the fabric is 2dtex, and the gram weight is 90 g/square meter.
Strength of fabric before and after washing
| Test items | Warp direction strength (N) |
| Before washing the sample with water | 333 |
| After washing for 10 times | 321 |
Waterproof property of fabric before and after washing
| Test items | Water-proof property | Anti-permeability to blood |
| Before washing the sample with water | 5 | 4 |
| After washing for 10 times | 4 | 3 |
Example 2
A preparation method of medical protective clothing fabric resistant to repeated washing comprises the following steps:
(1) drying the PET and PA slices;
(2) feeding PET and PA slices into a screw extruder respectively for melt extrusion;
(3) filtering the molten PET and PA, and extruding 80 wt% of PET and 20 wt% of PA from a spinneret plate of a spinning device by a metering pump, wherein the spinneret plate is an orange-petal-shaped spinneret plate to obtain orange-petal-shaped composite fibers;
(4) drafting the composite fiber to a lapping machine by airflow, and lapping and hot-pressing to form non-woven fabric;
(5) carrying out high-pressure spunlace treatment to split the orange petal type composite fibers into superfine fibers;
(6) padding in the waterproof agent bath solution, wherein the addition amount of the waterproof agent is 65g/L, the addition amount of the cross-linking agent is 25g/L, the setting temperature is 150 ℃, and the setting time is 30 seconds.
The fiber fineness of the fabric is 4dtex, and the gram weight is 100 g/square meter.
Strength of fabric before and after washing
| Test items | Warp direction strength (N) |
| Before washing the sample with water | 326 |
| After washing for 10 times | 402 |
Waterproof property of fabric before and after washing
| Test items | Water-proof property | Anti-permeability to blood |
| Before washing the sample with water | 5 | 4 |
| After washing for 10 times | 4 | 3 |
Example 3
A preparation method of medical protective clothing fabric resistant to repeated washing comprises the following steps:
(1) drying the PET and PA slices;
(2) feeding PET and PA slices into a screw extruder respectively for melt extrusion;
(3) filtering the molten PET and PA, and extruding 70 wt% of PET and 30 wt% of PA from a spinneret plate of a spinning device by a metering pump, wherein the spinneret plate is an orange-petal-shaped spinneret plate to obtain orange-petal-shaped composite fibers;
(4) drafting the composite fiber to a lapping machine by airflow, and lapping and hot-pressing to form non-woven fabric;
(5) carrying out high-pressure spunlace treatment to split the orange petal type composite fibers into superfine fibers;
(6) padding in the waterproof agent bath solution, wherein the addition amount of the waterproof agent is 80g/L, the addition amount of the cross-linking agent is 20g/L, the setting temperature is 170 ℃, and the setting time is 45 seconds.
The fiber fineness of the fabric is 6dtex, and the gram weight of the fabric is 120 g/square meter.
Strength of fabric before and after washing
Waterproof property of fabric before and after washing
| Test items | Water-proof property | Anti-permeability to blood |
| Before washing the sample with water | 5 | 4 |
| After washing for 10 times | 4 | 3 |
Example 4
A preparation method of medical protective clothing fabric resistant to repeated washing comprises the following steps:
(1) drying the PET and PA slices;
(2) feeding PET and PA slices into a screw extruder respectively for melt extrusion;
(3) filtering the molten PET and PA, and extruding 60 wt% of PET and 40 wt% of PA from a spinneret plate of a spinning device by a metering pump, wherein the spinneret plate is an orange-petal-shaped spinneret plate to obtain orange-petal-shaped composite fibers;
(4) drafting the composite fiber to a lapping machine by airflow, and lapping and hot-pressing to form non-woven fabric;
(5) carrying out high-pressure spunlace treatment to split the orange petal type composite fibers into superfine fibers;
(6) padding in the waterproof agent bath solution, wherein the addition amount of the waterproof agent is 100g/L, the addition amount of the cross-linking agent is 40g/L, the setting temperature is 180 ℃, and the setting time is 60 seconds.
The fiber fineness of the fabric is 10dtex, and the gram weight is 130 g/square meter.
Strength of fabric before and after washing
| Test items | Warp direction strength (N) |
| Before washing the sample with water | 590 |
| After washing for 10 times | 589 |
Waterproof property of fabric before and after washing
| Test items | Water-proof property | Anti-permeability to blood |
| Before washing the sample with water | 5 | 4 |
| After washing for 10 times | 4 | 3 |
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. A medical protective clothing fabric resistant to repeated washing is characterized in that: the fabric is prepared from 90-60 wt% of PET and 10-40 wt% of PA by a spun-bonding spunlacing method, wherein a spinneret plate used in spun-bonding is an orange-lobe spinneret plate.
2. The medical protective clothing fabric resistant to multiple washing according to claim 1, which is characterized in that: the fiber number of the fabric is 2-10 dtex.
3. The medical protective clothing fabric resistant to multiple washing according to claim 1, which is characterized in that: the gram weight of the fabric is 90-130 g/square meter.
4. The method for preparing the medical protective clothing fabric resistant to repeated washing as claimed in claim 1, which is characterized in that: the preparation method comprises the following steps:
(1) melting PET and PA;
(2) extruding the molten PET and PA from a orange-petal spinneret plate to obtain orange-petal composite fibers;
(3) forming a net and bonding;
(4) and (4) carrying out water punching.
5. The method of claim 4, wherein: the preparation method also comprises the step (5) of padding.
6. The method of claim 5, wherein: padding in a waterproof agent bath solution, wherein the waterproof agent bath solution contains 50-100 g/L of waterproof agent and 20-40 g/L of cross-linking agent.
7. A medical protective garment is characterized in that: the medical protective clothing is made of the fabric of claim 1.
8. The medical protective garment according to claim 7, wherein: the fiber number of the fabric is 2-10 dtex.
9. The medical protective garment according to claim 7, wherein: the gram weight of the fabric is 90-130 g/square meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110013393.XA CN112853614A (en) | 2021-01-06 | 2021-01-06 | Medical protective clothing fabric resistant to repeated washing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110013393.XA CN112853614A (en) | 2021-01-06 | 2021-01-06 | Medical protective clothing fabric resistant to repeated washing and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112853614A true CN112853614A (en) | 2021-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110013393.XA Pending CN112853614A (en) | 2021-01-06 | 2021-01-06 | Medical protective clothing fabric resistant to repeated washing and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112853614A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245542A (en) * | 1996-11-26 | 2000-02-23 | 金伯利-克拉克环球有限公司 | Entangled nonwoven fabrics and methods for forming same |
| CN101144225A (en) * | 2007-10-25 | 2008-03-19 | 吉安市三江超纤无纺有限公司 | Technique for preparing dual-component spunbonded water-jet bonding non-woven fabrics |
| CN111165956A (en) * | 2020-03-09 | 2020-05-19 | 嘉兴学院 | Washable mask capable of effectively blocking viruses and bacteria and preparation method thereof |
| CN111424377A (en) * | 2020-03-30 | 2020-07-17 | 吉安市三江超纤无纺有限公司 | Microfiber antibacterial non-woven fabric for protective clothing and manufacturing method and application thereof |
-
2021
- 2021-01-06 CN CN202110013393.XA patent/CN112853614A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245542A (en) * | 1996-11-26 | 2000-02-23 | 金伯利-克拉克环球有限公司 | Entangled nonwoven fabrics and methods for forming same |
| CN101144225A (en) * | 2007-10-25 | 2008-03-19 | 吉安市三江超纤无纺有限公司 | Technique for preparing dual-component spunbonded water-jet bonding non-woven fabrics |
| CN111165956A (en) * | 2020-03-09 | 2020-05-19 | 嘉兴学院 | Washable mask capable of effectively blocking viruses and bacteria and preparation method thereof |
| CN111424377A (en) * | 2020-03-30 | 2020-07-17 | 吉安市三江超纤无纺有限公司 | Microfiber antibacterial non-woven fabric for protective clothing and manufacturing method and application thereof |
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Application publication date: 20210528 |
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