CN111109713A - Anti-blood SMS non-woven fabric mask - Google Patents
Anti-blood SMS non-woven fabric mask Download PDFInfo
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- CN111109713A CN111109713A CN202010138131.1A CN202010138131A CN111109713A CN 111109713 A CN111109713 A CN 111109713A CN 202010138131 A CN202010138131 A CN 202010138131A CN 111109713 A CN111109713 A CN 111109713A
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- 239000008280 blood Substances 0.000 title claims abstract description 77
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- 239000004744 fabric Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000004750 melt-blown nonwoven Substances 0.000 claims abstract 2
- 239000010410 layer Substances 0.000 claims description 69
- 239000003795 chemical substances by application Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
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- 229910021641 deionized water Inorganic materials 0.000 claims description 14
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Images
Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/10—Impermeable to liquids, e.g. waterproof; Liquid-repellent
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/14—Air permeable, i.e. capable of being penetrated by gases
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2500/00—Materials for garments
- A41D2500/30—Non-woven
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2600/00—Uses of garments specially adapted for specific purposes
- A41D2600/20—Uses of garments specially adapted for specific purposes for working activities
Abstract
The invention relates to a method for controlling air permeability of 5000cm3/m2And d.atm or more, and can prevent the blood SMS non-woven fabric gauze mask of art blood infiltration by 100%, including the non-woven fabric gauze mask, the non-woven fabric gauze mask skin is the anti-blood SMS non-woven fabric, and the inlayer is SS spunbonded non-woven fabric, and the intermediate level is the melt-blown non-woven fabric filter layer. The advantages are that: tests show that the mask can not only prevent blood splashed in the hand from permeating into the mask by 100 percent and directly block the blood at the outer layer, but also ensure that the air permeability of the mask is 5000cm3/m2D atm or more, ensuring good air permeability and wearing comfort.
Description
Technical Field
The invention relates to an anti-blood SMS non-woven fabric mask which can ensure that the air permeability is more than 5000cm3/m2 d.atm and can prevent the blood from permeating by 100 percent, belonging to the field of mask manufacturing.
Background
CN 106562492A entitled orange powder microcapsule antioxidant mask liner, preparation method and application thereof, the mask liner is prepared by carrying out after-finishing processing on non-woven fabric by orange powder microcapsule finishing agent, and the non-woven fabric mask liner is placed between the inner layer and the outer layer of the mask as an interlayer material. The orange powder antioxidant microcapsule finishing agent is prepared by a microcapsule process. The flavonoid compounds in the orange powder have obvious effects of resisting oxidation and scavenging free radicals, and have auxiliary effects in diminishing inflammation, preventing cancer, resisting blood coagulation and thrombosis, preventing and treating cardiovascular and cerebrovascular diseases and the like. The method has the following defects: has no function of resisting blood penetration.
Disclosure of Invention
The design purpose is as follows: the defects of the background technology are avoided, and the anti-blood SMS non-woven fabric mask which can ensure that the air permeability is more than 5000cm3/m 2. d. atm and can prevent the operative blood from permeating by 100 percent is designed.
The design scheme is as follows: in order to achieve the above design objectives. The invention is characterized in that the structure and the product are manufactured as follows:
1. the design that the outer layer of the non-woven mask is an anti-blood SMS non-woven layer is one of the technical characteristics of the invention. The purpose of this design is: the conventional SMS non-woven fabric is widely used as the leakage-proof main body partition edges on two sides of the core body of baby diaper and mask products, because the SMS non-woven fabric has the functions of ventilation and water prevention, but the SMS non-woven fabric rejects water but does not reject blood, the side leakage-proof partition edges for the baby diaper are reasonable and practical, and because the main component of the baby urine is water, the side leakage-proof partition edges can effectively ensure that the urine does not seep out of the core body edge. However, the function of preventing the non-permeability of the operative blood as a mask for medical surgery is not ensured. The conventional SMS nonwoven fabric does not have an anti-blood function because of blood splashed during an operation, and thus the mask made of the conventional SMS nonwoven fabric cannot prevent the penetration of blood and the diffusion of harmful viruses in blood. The invention arranges the anti-blood blocking layer on the conventional SMS non-woven fabric, the anti-blood blocking layer enables the conventional SMS non-woven fabric and the anti-blood blocking layer to form the interdependent anti-blood SMS non-woven fabric, and the anti-blood SMS non-woven fabric is used for manufacturing the outer layer of the mask, so that the mask has good exhaust function while the infiltration of the operative blood (the blood discharged from the incision or wound of a patient in the operation) can be 100 percent prevented (the blood is directly blocked on the outer layer of the mask), and the wearing comfort of the mask is greatly improved.
2. The invention is characterized in that the anti-blood SMS non-woven fabric is made of a second technical characteristic.
(1) Upgrading SMS non-woven fabric anti-blood finishing equipment:
① in order to achieve the effect that the blood-resistant finishing agent can be uniformly coated and fully permeate into the M layer of the SMS non-woven fabric, the coating section of the production line is upgraded, and the original one-dipping one-rolling is upgraded into two-dipping two-rolling, as shown in figure 2.
② the adhesive of the finishing agent needs to be dried in different temperature grades, in order to make the anti-blood finishing agent fully adhered on the SMS non-woven fabric, the drying equipment is upgraded and modified, the original single hot air oven is modified into the first-level infrared ray drying, and the second-level lengthened hot air oven is used for drying;
③ since the elongation rate of the M layer of SMS non-woven fabric is small, in order to prevent the M layer from being damaged by external force in the production process, the unreeling device and the tension system of the equipment are modified by additionally arranging the active unreeling device and additionally arranging the tension control system in the middle of each subarea to ensure the consistency of tension in the operation process.
(2) The SMS non-woven fabric anti-blood preparation and finishing process comprises the following steps:
① New formulation of the blood-resistant finishing agent is that 96.3% deionized water is heated to the set temperature of 35 ℃, the heating pump is closed, 3% blood-resistant finishing TG-522T and 0.7% penetrant TF-107S which are weighed in advance are evenly and slowly injected into the stirred deionized water in trickles for stirring for 15 minutes, and then the mixture can be used normally, and the stirring barrel needs to be stirred for 3 minutes again after being used again;
② the original one-dipping one-rolling process is improved into two-dipping two-rolling process to ensure 60% of the rolling residual rate of the cloth surface and the uniformity of coating;
③ is improved from single-stage drying to two-stage drying, wherein the first stage is an infrared oven with 12.5 m stroke, the SMS non-woven fabric runs for 30S in the environment of 145 ℃ for pre-gluing, the second stage is a hot air oven with 40 m stroke, and the pre-glued SMS non-woven fabric runs for 90S in the environment of 125 ℃ for curing the adhesive coating;
④, the original manual tension control is changed into an automatic tension control mode, and the automatic tension control is carried out on unreeling, dipping, rolling and drying, drying and reeling to ensure that the M layer of the SMS non-woven fabric is not damaged.
The technical scheme is as follows: the utility model provides an anti-blood SMS non-woven fabrics gauze mask, includes the non-woven fabrics gauze mask, non-woven fabrics gauze mask skin is anti-blood SMS non-woven fabrics, and the inlayer is SS spunbonded nonwoven, and the intermediate level is for melting the non-woven fabrics filter layer.
Compared with the background technology, the invention can not only prevent the blood splashed in the hand from permeating into the mask by 100 percent and directly block the blood on the outer layer of the mask, but also ensure that the air permeability of the mask is 5000cm3/m2D atm or more, ensuring good air permeability and wearing comfort.
Drawings
Fig. 1 is a schematic structural view of an anti-blood SMS nonwoven mask, in which 1 is an outer layer, 2 is an intermediate layer, 3 is an inner layer, and 4 is an ear band.
FIG. 2 is a schematic view of the structure of the blood-repellent nonwoven fabric.
FIG. 3 is a schematic diagram showing the comparison of the anti-blood effect of the present invention on the left side of the anti-blood nonwoven fabric and that of the existing SMS nonwoven fabric.
Detailed Description
Example 1: reference is made to figures 1 and 2. The utility model provides an anti blood SMS non-woven fabrics gauze mask, includes the non-woven fabrics gauze mask, non-woven fabrics gauze mask outer 1 is anti blood SMS non-woven fabrics, and inlayer 3 is SS spunbonded nonwoven, and intermediate level 2 is for melting the non-woven fabrics filter layer. The SMS anti-blood nonwoven fabric is composed of an SMS nonwoven fabric and an anti-blood barrier layer combined on the SMS nonwoven fabric. The anti-blood SMS non-woven fabric is single-layer or multi-layer. The anti-blood SMS non-woven fabric is characterized in that one surface of a first spun-bonded layer 1-2 of the anti-blood SMS non-woven fabric is coated with an anti-blood coating 1-1, the other surface of the first spun-bonded layer 1-2 is a melt-blown layer 1-3, and the other surface of the melt-blown layer 1-3 is a second spun-bonded layer 1-4. The first spunbond layer 1-2 and the second spunbond layer 1-4 are formed of one or more layers. The meltblown layers 1-3 are formed from one or more layers. The anti-blood coating is a nano organic silicon layer or an organic fluorine layer.
The preparation of the blood-resistant non-woven fabric comprises the following steps: (1) firstly, the formula of the anti-blood finishing agent is as follows: 3 percent of SMS non-woven fabric six-carbon finishing agent TG-5503, 0.7 percent of waterproof penetrating agent TF-107S and 96.3 percent of deionized water are stirred and mixed to obtain the composite material;
A. the temperature of the deionized water is increased to show a trend of first high and then low, and the highest point is at 35 ℃;
B. the six-carbon finishing agent concentration is increased, but the increase is gradually reduced when the six-carbon finishing agent concentration is increased to 40g/L, and the optimal concentration of the six-carbon finishing agent is selected to be 30g/L based on economic and environmental protection considerations;
C. the concentration of the waterproof penetrant is increased, but the concentration of the waterproof penetrant is kept optimal at 7g/L-10g/L and is reduced when the concentration of the waterproof penetrant exceeds 10g/L, and the concentration of the waterproof penetrant is selected to be within the range of 6.5-7.5 g/L and including an end value or 7g/L based on economic and environmental protection considerations;
D. the stirring time of the solvent is increased, but the solvent is not increased after 15 minutes, and the stirring time is selected to be less than 15 minutes or 15 minutes based on economic consideration;
(2) soaking an SMS non-woven fabric consisting of a spunbond layer and a melt-blown layer into an anti-blood finishing agent for two-dipping and two-rolling, wherein experiments prove that the liquor loading rate of the one-dipping and one-rolling is not more than 50% of the process requirement, and the uniformity is not enough, and the cloth cover rolling surplus rate of the SMS non-woven fabric is up to 60% and the coating uniformity is achieved through the two-dipping and two-rolling;
(3) pre-gluing the two-dipped and two-rolled SMS non-woven fabric in an environment of about 120-140 ℃, wherein the melting point of the SMS non-woven fabric is about 145 ℃, so the pre-gluing temperature cannot be higher than 145 ℃, the pre-gluing time is about 25-35S approximately through experiments, and the speed is about 25m/min generally according to the vehicle speed, so the primary infrared oven selects 12.5 meters for rapid pre-gluing; the pre-glued SMS non-woven fabric needs to be cured in an environment of about 100-120 ℃, is dried for about 85-95S in a temperature section according to experimental needs, is generally about 25m/min according to the vehicle speed, and is cured with a glue coating in a stroke of 40 meters in a second section hot air oven;
(4) the tension of the SMS non-woven fabric with the cured adhesive coating is controlled by an automatic tension controller, so that the M layer of the SMS non-woven fabric is not damaged. The hydrostatic pressure of the SMS non-woven fabric is more than 350 mmH2O, and the air permeability reaches 5000cm3/m2D.atm or more.
One surface of the first spunbond layer 1-2 is coated with the anti-blood coating 1-1, the other surface of the first spunbond layer 1-2 is a melt-blown layer 1-3, and the other surface of the melt-blown layer 1-3 is a second spunbond layer 1-4. The first spunbond layer 1-2 and the second spunbond layer 1-4 are formed of one or more layers. The anti-blood coating is a nano organic silicon layer or an organic fluorine layer. The meltblown layers 1-3 are formed from one or more layers.
Example 2: on the basis of example 1, 2% of SMS non-woven fabric six-carbon finishing agent TG-5503, 0.5% of waterproof penetrant TF-107S and 97.5% of deionized water are stirred and mixed to obtain the anti-corrosion and anti-corrosion fabric.
Example 3: based on the example 1, 4 percent of SMS non-woven fabric six-carbon finishing agent TG-5503, 0.9 percent of waterproof penetrant TF-107S and 95.1 percent of deionized water are stirred and mixed to obtain the anti-corrosion paint.
Example 4: based on the example 1, the SMS non-woven fabric is prepared by stirring and mixing 2.6 percent of SMS non-woven fabric six-carbon finishing agent TG-5503, 0.9 percent of waterproof penetrant TF-107S and 96.5 percent of deionized water.
Example 5: based on the example 1, the SMS non-woven fabric is prepared by stirring and mixing 3.2 percent of SMS non-woven fabric six-carbon finishing agent TG-5503, 0.6 percent of waterproof penetrant TF-107S and 96.2 percent of deionized water.
Example 6: on the basis of example 1, 3.4 percent of SMS non-woven fabric six-carbon finishing agent TG-5503, 0.6 percent of waterproof penetrating agent TF-107S and 96 percent of deionized water are stirred and mixed to obtain the anti-corrosion paint.
Example 7: on the basis of example 1, 2.2 percent of SMS non-woven fabric six-carbon finishing agent TG-5503, 0.8 percent of waterproof penetrating agent TF-107S and 97 percent of deionized water are stirred and mixed to obtain the anti-corrosion paint.
Example 8: based on the example 1, the SMS non-woven fabric is prepared by stirring and mixing 3.3 percent of SMS non-woven fabric six-carbon finishing agent TG-5503, 0.8 percent of waterproof penetrating agent TF-107S and 95.9 percent of deionized water.
Example 9: based on the example 1, 2.9 percent of SMS non-woven fabric six-carbon finishing agent TG-5503, 0.6 percent of waterproof penetrating agent TF-107S and 96.5 percent of deionized water are stirred and mixed to obtain the anti-corrosion and anti-corrosion fabric.
It is to be understood that: although the above embodiments have described the design idea of the present invention in more detail, these descriptions are only simple descriptions of the design idea of the present invention, and are not limitations of the design idea of the present invention, and any combination, addition, or modification without departing from the design idea of the present invention falls within the scope of the present invention.
Claims (9)
1. The utility model provides an anti-blood SMS non-woven fabrics gauze mask, includes non-woven fabrics gauze mask, characterized by: the non-woven mask is characterized in that the outer layer (1) of the non-woven mask is an anti-blood SMS non-woven fabric, the inner layer (3) of the non-woven mask is an SS spunbonded non-woven fabric, and the middle layer (2) of the non-woven mask is a melt-blown non-woven fabric filter layer.
2. The anti-blood SMS non-woven mask according to claim 1, wherein: the SMS anti-blood nonwoven fabric is composed of an SMS nonwoven fabric and an anti-blood barrier layer combined on the SMS nonwoven fabric.
3. The anti-blood SMS non-woven mask according to claim 1, wherein: the anti-blood SMS non-woven fabric is single-layer or multi-layer.
4. The anti-blood SMS non-woven mask according to claim 1, wherein: one surface of the first spunbond layer (1-2) of the blood-resistant SMS non-woven fabric is coated with the blood-resistant coating (1-1), the other surface of the first spunbond layer (1-2) is a melt-blown layer (1-3), and the other surface of the melt-blown layer (1-3) is a second spunbond layer (1-4).
5. The anti-blood SMS non-woven mask according to claim 4, wherein: the first spunbond layer (1-2) and the second spunbond layer (1-4) are formed of one or more layers.
6. The anti-blood SMS non-woven mask according to claim 4, wherein: the meltblown layers 1-3 are formed from one or more layers.
7. The anti-blood SMS non-woven mask according to claim 4, wherein: the anti-blood coating is a nano organic silicon layer or an organic fluorine layer.
8. The anti-blood SMS non-woven mask according to claim 1, wherein the SMS anti-blood non-woven mask is manufactured by a method comprising:
(1) firstly, the formula of the anti-blood finishing agent is as follows: 2 to 4 percent of SMS non-woven fabric six-carbon finishing agent TG-5503, 0.5 to 0.9 percent of waterproof penetrant TF-107S and 95 to 97.5 percent of deionized water are stirred and mixed to obtain the anti-corrosion finishing agent;
A. the temperature of the deionized water is increased to show a trend of first high and then low, and the highest point is at 35 ℃;
B. the six-carbon finishing agent concentration is increased, but the increase is gradually reduced when the six-carbon finishing agent concentration is increased to 40g/L, and the optimal concentration of the six-carbon finishing agent is selected to be 30g/L based on economic and environmental protection considerations;
C. the concentration of the waterproof penetrant is increased and becomes higher, but is reduced when the concentration of the waterproof penetrant exceeds 10g/L, and the concentration of the waterproof penetrant is selected to be 7g/L-10 g/L;
D. the stirring time of the solvent is increased, but the stirring time is not increased after 15 minutes, and the stirring time is selected to be more than 10 minutes and less than 15 minutes;
(2) soaking an SMS non-woven fabric consisting of a spunbond layer and a melt-blown layer into an anti-blood finishing agent for two-dipping and two-rolling, wherein experiments prove that the liquor loading rate of the one-dipping and one-rolling is not more than 50% of the process requirement, and the uniformity is not enough, and the cloth cover rolling surplus rate of the SMS non-woven fabric is up to 60% and the coating uniformity is achieved through the two-dipping and two-rolling;
(3) pre-gluing the two soaked and two rolled SMS non-woven fabrics in an environment of about 120-140 ℃, wherein the pre-gluing time is about 25-35S approximately; curing the pre-glued SMS non-woven fabric in an environment of about 100-120 ℃, and drying at a temperature range for about 85-95 seconds;
(4) the tension of the SMS non-woven fabric with the cured adhesive coating is controlled by an automatic tension controller, so that the M layer of the SMS non-woven fabric is not damaged.
9. The anti-blood SMS non-woven mask according to claim 8, wherein: the blood-resistant non-woven fabric can prevent menstrual blood from passing through 100%, and the air permeability of the blood-resistant non-woven fabric is more than 5000cm3/m2 · d · atm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010138131.1A CN111109713A (en) | 2020-03-03 | 2020-03-03 | Anti-blood SMS non-woven fabric mask |
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| CN202010138131.1A CN111109713A (en) | 2020-03-03 | 2020-03-03 | Anti-blood SMS non-woven fabric mask |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846813A (en) * | 2019-08-27 | 2020-02-28 | 浙江金三发卫生材料科技有限公司 | Production process of antibacterial medical and sanitary special composite non-woven fabric |
| CN111567952A (en) * | 2020-06-19 | 2020-08-25 | 广东高璐美数码科技有限公司 | Medical protective sealing mask comfortable to wear and good in sealing performance |
| CN111642839A (en) * | 2020-05-20 | 2020-09-11 | 朱杨子 | Novel high-tightness high-efficiency filtering medical protective mask and sealing method |
| WO2022003566A1 (en) * | 2020-06-30 | 2022-01-06 | North Carolina State University | Nonwoven material and mask made therewith |
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| US20050079379A1 (en) * | 2003-08-11 | 2005-04-14 | University Of Tennessee Research Foundation | Enhancement of barrier fabrics with breathable films and of face masks and filters with novel fluorochemical electret reinforcing treatment |
| CN101250820A (en) * | 2008-03-24 | 2008-08-27 | 天津工业大学 | Medical protective garment material and manufacture method thereof |
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