CN108018736A - A kind of wet nonwoven fabrics and its manufacture method - Google Patents
A kind of wet nonwoven fabrics and its manufacture method Download PDFInfo
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- CN108018736A CN108018736A CN201610929554.9A CN201610929554A CN108018736A CN 108018736 A CN108018736 A CN 108018736A CN 201610929554 A CN201610929554 A CN 201610929554A CN 108018736 A CN108018736 A CN 108018736A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/24—Polyesters
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
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- Pest Control & Pesticides (AREA)
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Abstract
The invention discloses a kind of wet nonwoven fabrics and its manufacture method, the binding agent of polyester fiber, 30~50 weight % and antimicrobial component and the mould proof component of 0.3~3.0 weight % in the wet nonwoven fabrics at least containing more than 30 weight %, and antibacterial and the average grain diameter of mould proof particle are less than 10.0 μm in the antimicrobial component and mould proof component.The wet nonwoven fabrics of the present invention not only has the characteristics that high bacteriostasis rate, high anti-mold effect are integrated, but also has the advantages that manufacturing process is simple, cost is low.The wet nonwoven fabrics of the present invention can be applied to the field of air filtration such as interior, automobile, health care.
Description
Technical field
The present invention relates to a kind of wet nonwoven fabrics and its manufacture method.
Background technology
With heavy industry and the fast development of transportation, PM2.5 particulate matters in atmosphere polluting problem especially air
Pollution problem becomes increasingly conspicuous, these particulate pollutants not only greatly reduce the visibility of air, but also health is caused
Seriously affect.Therefore, the protection for PM2.5 particulate matters in air is very urgent.In addition, especially in-car air in atmosphere
In bacterium, mould can also influence the quality of air, and then produce larger harm to people's health.
The effect of most of filtering materials currently on the market is the PM2.5 particulate matters removed in air, empty for removing
The exploitation of the filtering material of bacterium, mould in gas is less.Although the filtering material with anti-microbial property has been developed that, antibacterial
Filtering material is by adding anti-bacterial fibre in nonwoven cloth filter material or being that non-woven fabrics is passed through impregnating secondary processes
Carry out function imparting.However, it is general using antimicrobial filtering material antibacterial effect made from anti-bacterial fibre, and its preparation process answers
It is miscellaneous；Using secondary function endowing antibacterial energy, technology difficulty can be increased, can also improve cost.
As Chinese publication CN105398152A discloses a kind of antibacterial composite non-woven fabric, which is
By adding made of anti-bacterial acrylon fiber.On the one hand, anti-bacterial fibre is by adding antibacterial matrices in general fibre body
Obtain, since manufacturing process is restricted, the additive amount of antibacterial matrices is restricted, therefore the antibacterial effect one of anti-bacterial fibre
As；On the other hand, the cost of material is added compared to general fibre, the price higher of anti-bacterial fibre, the addition of anti-bacterial fibre.
The content of the invention
It is an object of the invention to provide a kind of high bacteriostasis rate, the integrated wet nonwoven fabrics of high mildew resistance.
Another object of the present invention is to provide a kind of manufacturer for the wet nonwoven fabrics that manufacturing process is simple, cost is low
Method.
In order to achieve the above object, composition of the invention is as follows：
（1）The binding agent of polyester fiber, 30~50 weight % in the wet nonwoven fabrics of the present invention at least containing more than 30 weight %,
And 0.3~3.0 weight % antimicrobial component and mould proof component, and antibacterial and mould proof grain in the antimicrobial component and mould proof component
The average grain diameter of son is less than 10.0 μm.
（2）It is above-mentioned（1）Antimicrobial component in containing 0.2~2.0 weight % contain Zn2+The compound of group.
（3）It is above-mentioned（1）Mould proof component be the compound containing imidazole group, oxazoline group, nitrile group or amide group.
（4）It is above-mentioned（1）The fiber number of polyester fiber be 0.5~20.0dtex.
（5）Also contain vinylon fiber in the wet nonwoven fabrics of the present invention.
（6）According to JIS L 1902：2008 standards, wet nonwoven fabrics of the invention is to staphylococcus aureus, large intestine bar
Bacterium, the bacteriostasis rate of Friedlander's bacillus are more than 90%.
（7）According to JIS Z 2911：2010 standards, wet nonwoven fabrics of the invention is to aspergillus niger, Penicillium citrinum, ball hair shell
The mould proof grade mould, wart spore paint spot is mould is 0~1 grade.
Beneficial effects of the present invention：The wet nonwoven fabrics of the present invention is not only integrated with high bacteriostasis rate, high mildew resistance
Feature, but also have the advantages that manufacturing process is simple, cost is low.The present invention wet nonwoven fabrics can be applied to interior, automobile,
The field of air filtration such as health care.
Embodiment
Polyester fiber, the bonding of 30~50 weight % in the wet nonwoven fabrics of the present invention at least containing more than 30 weight %
The antimicrobial component and mould proof component of agent and 0.3~3.0 weight %, and antibacterial and mould proof in the antimicrobial component and mould proof component
The average grain diameter of particle is less than 10.0 μm.Polyester fiber plays humidification in wet nonwoven fabrics, if wet nonwoven fabrics
If the content of middle polyester fiber is less than 30 weight %, bonding point is few between fiber, and non-woven fabrics strength can be caused to reduce, so that
The filtering material being prepared is easily deformed under Wind Volume.Binding agent plays cementation in wet nonwoven fabrics, if viscous
The content of agent is tied less than if 30 weight %, can not effectively be bonded between fiber, can equally cause the strength of non-woven fabrics reduces,
So that obtained filtering material is easily deformed under Wind Volume；If binding agent content be higher than 50 weight % if, fiber with
Will firmly it be clung between fiber, so as to cause the Inter-fiber voids rate of non-woven fabrics to reduce, obtained wet nonwoven fabrics is breathed freely
Property reduce, windage become larger, cause the energy consumption of filtering material to increase.In wet nonwoven fabrics of the present invention containing antimicrobial component, it is mould proof into
The content divided must be controlled in certain scope, if the content of antimicrobial component and mould proof component is less than 0.3 weight %,
Antibacterial and mould proof component cannot effectively inhibit the enzyme systems activity of microorganism so that protein coagulating, destroys cell and close
Into the activity of enzyme, so as to cannot play the role of killing the microorganisms such as bacterium, mould；If antimicrobial component and mould proof component
Content be higher than 3.0 weight % if, its active ingredient antibacterial to be shown has had reached more than 99%, anti-mold effect also
Through reaching more than 0 grade of effect, therefore, continue if increasing its content, effect can not continue to show again, content mistake
The cost of material can be increased on the contrary.Accordingly, it is considered to arrive antibacterial, anti-mold effect and processing cost, wet nonwoven fabrics of the invention
The content of middle antimicrobial component and mould proof component preferably 0.5~1.0 weight %.
The antibacterial and anti-mildew agent that the present invention uses are water-insoluble particle, water-soluble poor, if particle
If average grain diameter is more than 10 μm, since self gravitation effect accounts for leading role, sedimentation phenomenon is easily led to, so as to not possess
Processability；If the average grain diameter of particle is too low, since specific surface area increases, so that processing fluid viscosity increase, stream
Dynamic property is deteriorated, and causes the firm softness of non-woven fabrics to be deteriorated.It is accordingly, it is considered to anti-to processability and the firm softness of non-woven fabrics, the present invention
Preferably 0.1~10 μm of antibacterial and the average grain diameter of mould proof particle in bacterium component and mould proof component.
Contain Zn containing 0.2~2.0 weight % in antimicrobial component in the wet nonwoven fabrics of the present invention2+The compound of group,
Zn2+The sucrose transhipment that group can inhibit bacteria, so as to have the function that to inhibit bacteria.There is such as silver-containing antibacterial component at present
Lower defect：As silver ion has been reduced into silver under light illumination, as the extension of time will be oxidized to silver oxide, and then reduce
Its antibacterial effect, is unfavorable for long-time service.And silver involves great expense in itself, it is more difficult to generally uses, is not easy to economic operation.For
Solution drawbacks described above, contains Zn containing 0.2~2.0 weight % in wet nonwoven fabrics of the invention2+The compound of group, the ratio
Content under example allows the antibacterial effect of the wet nonwoven fabrics of the present invention to reach 90~99%.If contain Zn2+The chemical combination of group
If the content of thing is too low, Zn2+Suction-operated cannot be produced with electronegative cell membrane, it is impossible to entered through cell membrane intracellular
Reacted with sulfydryl, so that the ability of cell loss division growth cannot be made by destroying the activity of cell synzyme；If contain Zn2+
If the too high levels of group compound, do not have much affect substantially for antibiotic property.Therefore, from suppression or poisoning antibacterial effect
And cost angle considers, containing Zn2+The content of group compound preferably 0.2~2.0 weight %.Zn2+The source of group can lead to
Zinc class chelate, zinc class complex, the compound containing zinc is crossed to obtain.
Mould proof component is containing imidazole group, oxazoline group, nitrile group or amide group in the wet nonwoven fabrics of the present invention
Compound, its content are 0.3~2.0 weight %, the mould inhibitor pair containing imidazole group, oxazoline group, nitrile group or amide group
There is stronger suppression and toxic action in mould, effectively prevent germ from generating procreation on filter material, so as to avoid
The injury of human body.It is wet if the content of the compound containing imidazole group, oxazoline group, nitrile group or amide group is too low
Method non-woven fabrics cannot meet the inhibition of mould 1 grade of anti-mold effect, and all reach 0 grade anti-under 2.0 weight % substantially
Mould effect, therefore amount within this range is more reasonable.In view of cost and resultant effect, the amount of mould proof component is excellent
Select 0.5~1.0 weight %.
The fiber number of polyester fiber is by 0.5~20.0dtex in the wet nonwoven fabrics of the present invention.Containing thin in polyester fiber
Fiber number polyester fiber and heavy denier polyester fiber, wherein fine denier polyester fiber play the role of trapping fine particle in air,
If the fiber number of fine denier polyester fiber is meticulous, number of fiber increase under unit area, windage increase；Heavy denier polyester is fine
Dimension improves the rigidity of non-woven fabrics, plays the role of maintaining frame configuration；If the fiber number of heavy denier polyester fiber is excessively thick, nothing
Woven fabric average fineness will increase, and the quantity of fiber will be reduced under same unit area, and non-woven fabrics intensity can equally decline.
Also contain vinylon fiber in the wet nonwoven fabrics of the present invention, vinylon is with intensity is good, chemical stability is good, no
The features such as being afraid of mould moth, meanwhile, for vinylon in burning, burning is slow and shrinks rapidly, has the effect that certain prevention is burnt.
Binding agent is polyacrylic resin, polystyrene resin, polyacrylic acid-styrene in the wet nonwoven fabrics of the present invention
One or both of blending resin is formed.Polyacrylic resin plays the role of viscose fibre in the present invention.Polystyrene
Benzene ring structure in resin can effectively improve the stiffness of non-woven fabrics.
Fid of the wet nonwoven fabrics of the present invention as air purifying filter core, its grammes per square metre is 40~100g/m2It is if wet
If the grammes per square metre of method non-woven fabrics is too low, it is easily deformed under the conditions of Wind Volume, it is impossible to play the role of fid.If wet method nonwoven
If the grammes per square metre of cloth is excessive, the pleating shaping of filter core is affected, while venting quality can be affected, and windage increase, filter core makes
Use service life reduction.In view of that should play a supporting role, while need to have the small requirement of windage, wet nonwoven fabrics of the invention
Grammes per square metre preferably 50~80g/m2。
According to JIS L 1902：2008 standards, wet nonwoven fabrics of the invention to staphylococcus aureus, Escherichia coli,
The bacteriostasis rate of Friedlander's bacillus is more than 90%.After the reaction of bacterium and anti-microbial agent, cause bacterium share component damage or
Dysfunction is produced, so as to reach the effect of antibacterial.Compared with the content of antimicrobial component in anti-bacterial fibre, additive amount of the invention
It is neatly more, and have the characteristics that content is high, so antibacterial effect is stronger.Therefore, wet nonwoven fabrics of the invention is to golden yellow
Color staphylococcus, Escherichia coli, the antibiotic rate preferably more than 95% of Friedlander's bacillus.
According to JIS Z 2911：2010 standards, wet nonwoven fabrics of the invention is to aspergillus niger, Penicillium citrinum, Chaetomium globosum, wart
The mould mould proof grade of spore paint spot is 0~1 grade.The addition of mould proof component, restrained effectively the enzyme systems activity of mould, destroys
Fungal cell function, so as to play the role of killing mould.The wet nonwoven fabrics of the present invention, to aspergillus niger, Penicillium citrinum, ball
Preferably 0 grade mould of mould proof grade of chactomium globosum, wart spore paint spot.
The manufacture method of the wet nonwoven fabrics of the present invention, includes the following steps：
（1）Polyester fiber is carried out disperseing to form polyester fiber slurry using concentration as 0.1~0.3% in water, it is then that polyester is fine
Slurry is tieed up with plain boiled water mixed diluting into the polyester fiber slurry that concentration is 0.01~0.05%, polyester fiber slurry flows inclined wire, leads to
Natural-dehydration, vacuum dehydration shaping are crossed, polyester fiber net is made；
（2）By antibacterial and mouldproof medicament, binding agent, water according to weight ratio 0.1~2.0%：14.9~28.0%：70.0~85.0% into
Row is mixed and made into mixture；
（3）By step（2）In obtained mixture with 30~44 weight %, by foaming coating or impregnation technology is coated on polyester
Web surface, is then dried sizing with baking oven of the speed of 10~30m/min into 90~140 DEG C, is finally made into
Product.
Above-mentioned steps（1）The dispersion concentration of middle polyester fiber in water is between 0.1~0.3%, when concentration is less than 0.1%
When, the content of polyester fiber in water is very few, is not easy to be uniformly dispersed；When concentration is higher than 0.3%, polyester fiber is in water
Too high levels, the group of being polymerized to of easily wadding a quilt with cotton.Then again by polyester fiber slurries and plain boiled water mixed diluting into concentration be 0.01~0.05% it is poly-
Ester fiber slurries, by titled net formation, are finally molded by natural-dehydration and vacuum dehydration；If polyester fiber before networking
The concentration of slurries is less than 0.01%, then causes lapping uneven；If the concentration of polyester fiber slurries is higher than 0.05%, in vacuum
It is dehydrated in water absorption course difficult.
Above-mentioned steps（2）Middle antibacterial anti-mildew agent, binding agent, water are according to weight ratio 0.1~2.0%：14.9~28.0%：
70.0~85.0% carry out being mixed and made into mixture.Above-mentioned steps（2）In formula, be mainly in view of antibacterial and mouldproof medicament with it is viscous
Tie the ratio between agent, and the production and processing under the concentration.If functional particles, the content of binding agent are higher than in mixed liquor
If 30 weight %, concentration is higher, and viscosity increase, causes the permeability of mixed liquor during processing to be deteriorated, so as to be unable to reach needs
Coating amount.On the contrary, if the content of antibacterial and mouldproof medicament, binding agent is less than 15 weight %, viscosity of mixed liquid is relatively low, in order to
It can guarantee that to obtain target grammes per square metre it is necessary to increase coating amount, certainly will so may result in moisture content and increase, can not be dried in the short time
Thoroughly.
Above-mentioned steps（3）If middle process velocity is higher than 30m/min, drying time is too short, and non-woven fabrics drying is not thorough；Such as
If fruit speed is less than 10m/min, drying time is long, causes non-woven fabrics to shrink after crimping fibres.
Above-mentioned antibacterial and mouldproof medicament is zinc class chelate, glyoxaline compound, thiazole compound, nitrile compounds, acyl
One or more in aminated compounds.It is specifically as follows 1,2-benzisothiazolin-3-one, 2- (4- thiazolyls)-benzo miaow
Azoles, benzimidazole methyl carbamate, 5-Chloro-2-methyl-4-isothiazolin-3-one, 2- pyridine mercaptan -1- oxygen zinc, 2- methyl -
4- isothiazoline -3- ketone, 2,4,5,6- tetra- chloro- 1,3- benzene dicarbonitriles, N- dimethyl-N '-phenyl-N '-(fluorine dichloro methyl mercapto)
One or more in sulphamide.In view of antibacterial and mould proof effect, the preferred 2- pyridines of antibacterial and mouldproof medicament of the invention
Mercaptan -1- oxygen zinc, 2-methyl-4-isothiazolin-3-one, benzimidazole methyl carbamate, N- dimethyl-N '-phenyl-N ' -
(fluorine dichloro methyl mercapto) sulphamide.
The present invention is described further with reference to embodiment, and each physical property in embodiment is according to lower section
Method is measured.
【Average grain diameter】
Nonwoven webs cross direction takes 4 pieces of 10cm × 10cm samples, is arbitrarily taken at different 3 on every piece of sample, then with scanning electricity
Sub- microscope, observes the particle size of the antibacterial and mouldproof particle of fiber surface, takes its average value, obtain average grain diameter（μm）.
【Bacteriostasis rate】
According to JIS-L-1902：The quantitative test method of 2008 standards（Bacterium solution absorption process）The number of mixed product plating method measure bacterium
Mesh, obtains bacteriostasis rate（%）.Wherein test strain is staphylococcus aureus（Staphylococcus aureus）.
【It is mould proof】
According to JIS-Z-2911：The quantitative test method of 2010 standards（Damp process）, measure mould proof grade.Wherein test strain is
Aspergillus niger, Penicillium citrinum, Chaetomium globosum, wart spore paint spot are mould.
【Grammes per square metre】
According to 1021 standards of JIS L, test material size：200mm × 200mm, using its weight of electronic balance weighing, then will
As a result it is converted into 1m2Weight, the present invention filtering non-woven cloth in any place take 5 pieces of samples to be measured, obtain average value.
【Firm softness】
According to 1096 standards of JIS L, sample material size：38 × 25mm, utilizes（Ge Lianshi）Select suitable range weight
Code, using the size of equipment reference test bar amplitude of fluctuation, shows corresponding just softness size on a display screen.In the nothing of the present invention
Any 5 places in woven fabric sample and measure, and are averaged.
【Processability】
In process, working fluid particulate matter state is observed, if there is sedimentation phenomenon, and has naked eyes visible particle thing
Largely exist, be then determined as unqualified, be denoted as ×；If not settling generation, but with the presence of a little particulate matter, it is denoted as △；Such as
Fruit does not only have sedimentation phenomenon, but also exists without particulate matter, then is denoted as zero.
Embodiment 1
（1）By polyester fiber that fiber number is 1.5dtex, 6.0dtex using weight ratio as 50%：50% in water using concentration as 0.13%
Carry out disperseing to form polyester fiber slurries, polyester fiber slurries and plain boiled water are then mixed into the polyester fiber that concentration is 0.03%
Slurry, polyester fiber slurry flows inclined wire, is molded by natural-dehydration, vacuum dehydration, polyester fiber net is made；
（2）By 2- pyridine mercaptan -1- oxygen zinc, 2-methyl-4-isothiazolin-3-one, polyacrylic resin, water according to weight percent
Than for 0.10%：0.15%：19.75%：80.0% carries out being mixed and made into mixture；
（3）By step（2）In obtained mixture polyester fiber net surface is coated on by impregnation technology with 40.0 weight %, so
Sizing is dried with baking oven of the speed of 20m/min into 135 DEG C afterwards, the wet nonwoven fabrics of the present invention is finally made, measures
Contain Zn containing 0.2 weight % in the wet nonwoven fabrics2+The compound of the oxazoline group of group compound and 0.3 weight %, its
Average grain diameter is 7.6 μm.The physical property of the wet nonwoven fabrics is evaluated, referring to table 1.
Embodiment 2
（1）By polyester fiber that fiber number is 1.5dtex, 6.0dtex using weight ratio as 50%：50% in water using concentration as 0.13%
Carry out disperseing to form polyester fiber slurries, polyester fiber slurries and plain boiled water are then mixed into the polyester fiber that concentration is 0.03%
Slurry, polyester fiber slurry flows inclined wire, is molded by natural-dehydration, vacuum dehydration, polyester fiber net is made；
（2）By 2- pyridine mercaptan -1- oxygen zinc, benzimidazole methyl carbamate, polyacrylic resin, water according to percentage by weight
For 0.3%：0.2%：19.5%：80.0% carries out being mixed and made into mixture；
（3）By step（2）In obtained mixture polyester fiber net surface is coated on by impregnation technology with 40.0 weight %, so
Sizing is dried with baking oven of the speed of 16m/min into 120 DEG C afterwards, the wet nonwoven fabrics of the present invention is finally made, measures
Contain Zn containing 0.6 weight % in the wet nonwoven fabrics2+The compound of the imidazole group of group compound and 0.4 weight %, its
Average grain diameter is 5.3 μm.The physical property of the wet nonwoven fabrics is evaluated, referring to table 1.
Embodiment 3
（1）By polyester fiber that fiber number is 1.5dtex, 6.0dtex using weight ratio as 50%：50% in water using concentration as 0.13%
Carry out disperseing to form polyester fiber slurries, polyester fiber slurries and plain boiled water are then mixed into the polyester fiber that concentration is 0.03%
Slurry, polyester fiber slurry flows inclined wire, is molded by natural-dehydration, vacuum dehydration, polyester fiber net is made；
（2）By 2- pyridine mercaptan -1- oxygen zinc, 2,4,5,6- tetra- chloro- 1,3- benzene dicarbonitriles, polyacrylic resin, water according to weight
Percentage is 1.0%：0.5%：18.5%：80.0% carries out being mixed and made into mixture；
（3）By step（2）In obtained mixture polyester fiber net surface is coated on by impregnation technology with 40.0 weight %, so
Sizing is dried with baking oven of the speed of 25m/min into 155 DEG C afterwards, the wet nonwoven fabrics of the present invention is finally made, measures
Contain Zn containing 2.0 weight % in the wet nonwoven fabrics2+The nitrile group compound of group compound and 1.0 weight %, it is average
Particle diameter is 8.4 μm.The physical property of the wet nonwoven fabrics is evaluated, referring to table 1.
Embodiment 4
（1）By the polyester fiber that fiber number is 0.5dtex, 6.0dtex, 20.0dtex, the Wei Ni with fine and fiber number for 2.0dtex
Synthetic fibre fiber is using weight ratio as 6.0%：26.9%：11.9%：55.2% carries out disperseing fiber pulp is made using concentration as 0.13% in water
Liquid, is then mixed into the fibre stuff that concentration is 0.03% by fiber slurry and plain boiled water, and fibre stuff flows through inclined wire, passes through nature
Dehydration, vacuum dehydration shaping, are made web；
（2）By 2- pyridine mercaptan -1- oxygen zinc, N- dimethyl-N '-phenyl-N '-(fluorine dichloro methyl mercapto) sulphamide, polyacrylic acid -
Styrene blending resin, water are 1.2% according to percentage by weight：0.6%：18.2%：80.0% carries out being mixed and made into mixture；
（3）By step（2）In obtained mixture web surface is coated on by foam process with 34.0 weight %, then with
Sizing is dried into 135 DEG C of baking oven in the speed of 20m/min, and the wet nonwoven fabrics of the present invention is finally made, it is wet to measure this
Contain Zn containing 2.0 weight % in method non-woven fabrics2+The compound of the amide group of group compound and 1.0 weight %, it is average
Particle diameter is 10.0 μm.The physical property of the wet nonwoven fabrics is evaluated, referring to table 1.
Embodiment 5
（1）It is 1.5dtex, 6.0dtex polyester fiber using weight ratio as 49.7% by fiber number：50.3% in water using concentration as
0.13% carries out disperseing to form polyester fiber slurries, and polyester fiber slurries and plain boiled water then are mixed into the polyester that concentration is 0.03%
Fibre stuff, polyester fiber slurry flows inclined wire, is molded by natural-dehydration, vacuum dehydration, polyester fiber net is made；
（2）By 2- pyridine mercaptan -1- oxygen zinc, 2-methyl-4-isothiazolin-3-one, polyacrylic resin, water according to weight percent
Than for 0.04%：0.08%：19.88%：80.0% carries out being mixed and made into mixture；
（3）By step（2）In obtained mixture polyester fiber net surface is coated on by impregnation technology with 40.0 weight %, so
Sizing is dried with baking oven of the speed of 20m/min into 135 DEG C afterwards, the wet nonwoven fabrics of the present invention is finally made, measures
Contain Zn containing 0.1 weight % in the wet nonwoven fabrics2+The compound of the oxazoline group of group compound and 0.2 weight %, it is flat
Equal particle diameter is 0.1 μm.The physical property of the wet nonwoven fabrics is evaluated, referring to table 1.
Comparative example 1
（1）By polyester fiber that fiber number is 1.5dtex, 6.0dtex using weight ratio as 50%：50% in water using concentration as 0.13%
Carry out disperseing polyester fiber slurries are made, polyester fiber slurries and plain boiled water are then mixed into the polyester fiber that concentration is 0.03%
Slurries, polyester fiber slurry flows inclined wire, is molded by natural-dehydration, vacuum dehydration, polyester fiber net is made；
（2）Polyacrylic resin, water are 18.0% according to percentage by weight：82.0% carries out being mixed and made into mixture；
（3）By step（2）In obtained mixture with 40.0% percentage by weight, polyester fiber net is coated on by impregnation technology
Surface, is then dried sizing with the speed of 20m/min into 135 DEG C of baking oven, last finished product, is sent out in process
Therefore existing nonwoven surface, does not possess processability with the presence of visual visible rugosity particulate matter, measure putting down for particle on the non-woven fabrics
Equal particle diameter is 31 μm.
Comparative example 2
（1）By polyester fiber that fiber number is 1.5dtex, 6.0dtex using weight ratio as 50%：50% in water using concentration as 0.13%
Carry out disperseing polyester fiber slurries are made, polyester fiber slurries and plain boiled water are then mixed into the polyester fiber that concentration is 0.03%
Slurries, polyester fiber slurry flows inclined wire, is molded by natural-dehydration, vacuum dehydration, polyester fiber net is made；
（2）Polyacrylic resin, water are 18.0% according to percentage by weight：82.0% carries out being mixed and made into mixture；
（3）By step（2）In obtained mixture with 40.0% percentage by weight, polyester fiber net is coated on by impregnation technology
Surface, is then dried sizing, last finished product, its average grain diameter is with baking oven of the speed of 20m/min into 135 DEG C
0.01 μm, the performance of the non-woven fabrics is shown in Table 1.
Comparative example 3
（1）By polyester fiber that fiber number is 1.5dtex, 6.0dtex using weight ratio as 50%：50% in water using concentration as 0.13%
Carry out disperseing to form polyester fiber slurries, polyester fiber slurries and plain boiled water are then mixed into the polyester fiber that concentration is 0.03%
Slurry, polyester fiber slurry flows inclined wire, is molded by natural-dehydration, vacuum dehydration, polyester fiber net is made；
（2）By 2- pyridine mercaptan -1- oxygen zinc, polyacrylic resin, water according to percentage by weight be 0.05%：19.95%：80.0%
Carry out being mixed and made into mixture；
（3）By step（2）In obtained mixture polyester fiber net surface is coated on by impregnation technology with 40.0 weight %, so
Sizing is dried into 135 DEG C of baking oven with the speed of 20m/min afterwards, finally obtained wet nonwoven fabrics, measure the wet method without
Zn containing 0.3 weight % in woven fabric2+Group compound, its average grain diameter are 3.4 μm.The physical property of the wet nonwoven fabrics is evaluated, is joined
It is shown in Table 1.
Comparative example 4
（1）By polyester fiber that fiber number is 1.5dtex, 6.0dtex using weight ratio as 50%：50% in water using concentration as 0.13%
Carry out disperseing to form polyester fiber slurries, polyester fiber slurries and plain boiled water are then mixed into the polyester fiber that concentration is 0.03%
Slurry, polyester fiber slurry flows inclined wire, is molded by natural-dehydration, vacuum dehydration, polyester fiber net is made；
（2）By 2-methyl-4-isothiazolin-3-one, polyacrylic resin, water according to percentage by weight be 0.1%：19.9%：
80.0% carries out being mixed and made into mixture；
（3）By step（2）In obtained mixture polyester fiber net surface is coated on by impregnation technology with 40.0 weight %, so
Sizing is dried into 135 DEG C of baking oven with the speed of 20m/min afterwards, finally obtained wet nonwoven fabrics, measure the wet method without
Oxazoline group compound containing 0.4 weight % in woven fabric, its average grain diameter are 5.2 μm, evaluate the physical property of the wet nonwoven fabrics,
Referring to table 1.
Table 1
Claims (9)
- A kind of 1. wet nonwoven fabrics, it is characterised in that：Polyester fiber in the wet nonwoven fabrics at least containing more than 30 weight %, The antimicrobial component and mould proof component of the binding agent of 30~50 weight % and 0.3~3.0 weight %, and the antimicrobial component and anti- Antibacterial and the average grain diameter of mould proof particle are less than 10.0 μm in mould component.
- 2. wet nonwoven fabrics according to claim 1, it is characterised in that：Contain 0.2~2.0 weight in the antimicrobial component Amount %'s contains Zn2+The compound of group.
- 3. wet nonwoven fabrics according to claim 1, it is characterised in that：The mould proof component is containing imidazole group, oxazoline The compound of group, nitrile group or amide group.
- 4. non-woven fabrics according to claim 1, it is characterised in that：The fiber number of the polyester fiber is 0.5~20.0dtex.
- 5. wet nonwoven fabrics according to claim 1, it is characterised in that：Contain vinylon fiber in the wet nonwoven fabrics.
- 6. according to the wet nonwoven fabrics described in claim 1, it is characterised in that：According to JIS L 1902：2008 standards, this is wet Method non-woven fabrics to staphylococcus aureus, Escherichia coli, Friedlander's bacillus bacteriostasis rate more than 90%.
- 7. according to the wet nonwoven fabrics described in claim 1, it is characterised in that：According to JIS Z 2911：2010 standards, this is wet The method non-woven fabrics mould proof grade mould to aspergillus niger, Penicillium citrinum, Chaetomium globosum, wart spore paint spot is 0~1 grade.
- A kind of 8. manufacture method of the wet nonwoven fabrics described in claim 1, it is characterised in that：Include the following steps：（1）Polyester fiber is carried out disperseing to form polyester fiber slurry using concentration as 0.1~0.3% in water, it is then that polyester is fine Slurry is tieed up with plain boiled water mixed diluting into the polyester fiber slurry that concentration is 0.01~0.05%, polyester fiber slurry flows inclined wire, leads to Natural-dehydration, vacuum dehydration shaping are crossed, polyester fiber net is made；（2）By antibacterial and mouldproof medicament, binding agent, water according to weight ratio 0.1~2.0%：14.9~28.0%：70.0~85.0% into Row is mixed and made into mixture；（3）By step（2）In obtained mixture with 30~44 weight %, by foaming coating or impregnation technology is coated on polyester Web surface, is then dried sizing with baking oven of the speed of 10~30m/min into 90~140 DEG C, is finally made into Product.
- 9. the manufacture method of the wet nonwoven fabrics according to claim 8, it is characterised in that：The antibacterial and mouldproof medicament For in zinc class chelate, glyoxaline compound, thiazole compound, pyridine compounds and their, nitrile compounds, amides compound One or more.
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