CN107974831A - Polypropylene non-woven fabric that a kind of calcium alginate is modified and preparation method thereof - Google Patents
Polypropylene non-woven fabric that a kind of calcium alginate is modified and preparation method thereof Download PDFInfo
- Publication number
- CN107974831A CN107974831A CN201610935936.2A CN201610935936A CN107974831A CN 107974831 A CN107974831 A CN 107974831A CN 201610935936 A CN201610935936 A CN 201610935936A CN 107974831 A CN107974831 A CN 107974831A
- Authority
- CN
- China
- Prior art keywords
- woven fabric
- polypropylene non
- calcium
- modified
- polypropylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/13—Alginic acid or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/155—Halides of elements of Groups 2 or 12 of the Periodic System
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
Abstract
Polypropylene non-woven fabric being modified this application involves a kind of calcium alginate of polymeric material field and preparation method thereof.The present processes include polypropylene non-woven fabric grafting and two steps of chlorination Calcium treatment.First, using sodium alginate as grafted monomers, trigger radical polymerization through initiator, sodium alginate monomer is grafted to polypropylene non-woven fabric surface.Then polypropylene non-woven fabric is cleaned with deionized water, is placed in immersion in calcium chloride water, deionized water cleaning, forced air drying, obtains the hydrophily polypropylene non-woven fabric of surface grafting calcium alginate.The application employs the method in polypropylene non-woven fabric chemical grafting treated calcium alginate, and the hydrophily of polypropylene non-woven fabric is more stable.The preparation method technique of the application is simple to operation, suitable for large-scale production.
Description
Technical field
This application involves the hydrophilic polypropylene non-woven fabric of polymeric material field, furtherly, is related to a kind of alginic acid
Polypropylene non-woven fabric that calcium is modified and preparation method thereof.
Background technology
It is a current development trend that non-woven cloth, which is modified, using natural polymer.Natural polymer green ring
Protect, harmless to environment and human body, the most commonly used has chitosan, alginate, heparin, protein etc..Natural polymer contains
Compared with multipotency and the group of associated water molecules, such as hydroxyl, carboxyl, carbonyl, amino, amide groups etc., adsorbed by these hydrophilic radicals
Hydrone is gravitation firmly against forming the water molecule layer directly adsorbed on natural polymer using hydrogen bond, and due to hydrone
The polarity of itself, this layer of hydrone may proceed to the hydrone in absorption environment, form indirect attachment water molecule layer.Shen Zhongan etc. is adopted
Polypropylene non-woven fabric is padded with chitosan solution, modified polypropylene non-woven fabric is provided with certain hydrophily and antibiotic property.
Li Rong etc. pre-processes the initiation grafting acrylic monomers on polypropylene non-woven fabric by low-temperature plasma, then through EDC ([1- (3- bis-
Methylaminopropyl) -3- ethyl carbodiimides]) activation after, with heparin react, the hydrophily and blood of obtained polypropylene non-woven fabric
Liquid phase capacitive is obviously improved.The Chinese patent of Application No. CN200810120076.2, which discloses one kind, has antibacterial and hydrophily
Non-woven cloth, specifically, non-woven cloth is impregnated fibroin and chitin dressing liquid, after two leachings two are rolled, 160 DEG C of roastings
Dry fixed.This method can assign non-woven cloth good hydrophily and antibiotic property, but the method for sorting that the patent uses belongs to
The combination of physical modification, functional group and polypropylene non-woven fabric is insecure, and hydrophilicity is unstable.
Alginate is a kind of natural polymer extracted from marine algae, has many excellent performances, as it contains
Some strong hydrophilicity yl carboxylic acid bases can absorb the diffusate of wound, the neutral grain of the environmental benefits of slightly sour moistening in blood of human body
Cells play function, accelerates the healing of skin wound, and the metal ion in alginate can be acted on human body, is created in skin
Face forms gel layer, plays the role of protecting wound, therefore the non-woven cloth of alginate modification and fabric are not only in hydrophily
Aspect has improvement, and can be applied in medical health field.
Polypropylene non-woven fabric tensile strength is high, and wear-resisting, good permeability is cheap, is used available for disposable medical health
Cloth, such as pasteurization towelette, wound dressing, hemostatic adhesive bandage, bandage；Domestic hygiene cloth, such as baby' diaper, sanitary napkin, tableware cooker
Cleaning cloth, beauty cloth for wiping or dusting etc.；In addition, it may also be used for the field such as family decoration cloth, industrial cloth, sewage disposal film.It is all this
A little fields all have higher requirements for the hydrophily of polypropylene non-woven fabric.The hydrophilic modification method of polypropylene non-woven fabric is main at present
There are the hydrophiling of fiber macromolecular structure, graft copolymerization, hydrophilic finiss, loose structure, surface roughening etc..By hydrophile function group with
The key of polypropylene fibre matrix and property are classified, and can be divided into the physical method combined with Van der Waals force and the chemistry to chemically react
Two class of method.The advantages of physical method be it is flexible, it is easy to operate, but be physics knot between hydrophilizing agent and polypropylene non-woven fabric
Close, weaker with reference to power, hydrophilic durability is poor, and for polypropylene non-woven fabric after use or washing, hydrophile function group is easy to fall off, hydrophilic
Property will substantially reduce.Chemical hydrophilic modifying can make polypropylene non-woven fabric keep lasting hydrophilic effect, and hydrophilicity is more stable.
The hydrophile function monomer used at present in polypropylene fibre chemistry hydrophilic modification method is mostly acrylic acid, polyethylene glycol, polyvinyl alcohol, poly-
Ether, vinyl pyrrolidone etc., these monomers have environment certain pollution compared with natural polymer alginate, and
In the prior art, the alginate hydrophilic modifying of polypropylene fibre uses physical method more at present.
Zhang Wen such as opens at the polyvinylalcohol coats polypropylene non-woven fabric with glutaraldehyde cross-linking, and the polypropylene fibre for obtaining high-hydrophilic non-is knitted
Cloth is made, sewage disposal film field can be used in.The method that Feng Ranran uses atom transfer radical polymerization, in polypropylene non-woven fabric table
Face covers one layer of hydrophilic vinyl pyrrolidone and prepares a kind of sewage disposal film, and the structure of film does not change but hydrophily obtains
Improve, resistance tocrocking significantly improves.The Chinese patent of Application No. CN201120008896.X provides a kind of hydrophilic nonwoven
Cloth, specifically, being applied to non-woven cloth on after the hydrophilic agent solutions of concentration 5%wt are heated, is then dried at a high speed cloth, the parent
Water-based non-woven cloth is suitable for the medicine and hygiene fields more demanding to water imbibition.This method belongs to physical method, and shortcoming is third
The hydrophily of synthetic fibre non-woven cloth can extend with usage time and gradually lose, and the hydrophilizing agent that the patent uses refers in particular to american system
The model PHP37 of business's manufacture is made, the preparation process of the hydrophilizing agent does not disclose in the patent.Application No.
The Chinese patent of CN200910194726.2 provides a kind of hydrophilic modification method suitable for polypropylene non-woven fabric, specially will
Non-woven cloth is immersed in the aqueous solution containing water-soluble cross-linker and persulfate, and it is non-that ultraviolet light irradiation obtains hydrophily polypropylene fibre
The shortcomings that woven cloths, this method is to need to use proprietary ultraviolet radiation device, thus large-scale production relatively difficult to achieve.
It is non-woven that the Chinese patent of Application No. CN201310473945.0 provides a kind of constant temperature for hygienic articles
Cloth preparation method, is specially：Polypropylene non-woven fabric surface is coated into a kind of micro- glue containing sodium alginate and chitosan
Capsule dressing liquid, then 75 DEG C~85 DEG C drying obtain, and sodium alginate and chitosan assign polypropylene non-woven fabric and breathe freely parent
Skin hydrophily, the moisture evaporated by absorbing skin distribute heat, make human body sensory to constant temperature and comfort.But this method belongs to
A kind of physical modification method, is not chemically bonded between polypropylene non-woven fabric and microcapsule dressing agent, therefore when polypropylene fibre is non-woven
Be subject to external force or as usage time is extended, functional microcapsule particle can depart from and make parent cloth from polypropylene non-woven fabric surface
Water function is lost.Chinese patent 201110120855.4 discloses a kind of film-forming method containing alginate membrane layer, tool
Body is that first nonwoven polypropylene fabric is immersed in sodium alginate and potassium alginate aqueous solution, makes one layer of alginic acid of its surface even spread
Sodium or potassium alginate, then spray the salt of one layer of such as calcium ion containing bivalent metal ion with the mode of spraying in nonwoven surface again
Solution.The purpose of this method is a kind of alginate colloid layer of manufacture, for dressing and facial mask field, and the leaching that the patent uses
Bubble and the method for spraying are a kind of physics painting methods.The surface of polypropylene non-woven fabric can not formed with alginic acid functional layer
The group of key sum, so only being combined between the two by power between physics, alginate functional layer is easy to come off in use.
The content of the invention
In order to solve the above-mentioned problems in the prior art, the application proposes that a kind of polypropylene fibre of calcium alginate modification is non-and knits
Make cloth.Relate in particular to polypropylene non-woven fabric that a kind of calcium alginate is modified and preparation method thereof.A kind of table is namely provided
The polypropylene non-woven fabric of layer grafting calcium alginate and the method in polypropylene non-woven fabric top layer chemical graft calcium alginate.The application
Compared with existing hydrophilic modifying polypropylene non-woven fabric, solve the problems, such as that polypropylene non-woven fabric hydrophily is unstable.Employ
It is more stable in the method for polypropylene non-woven fabric chemical grafting treated calcium alginate, the hydrophily of polypropylene non-woven fabric.The application adopts
With chemical grafting method, advantage is to employ chemical initiator and fully soak polypropylene non-woven fabric in initiator solution
Bubble, makes initiator fully be acted on polypropylene non-woven fabric surface and produces a large amount of free radicals.Between alginate functional layer and polypropylene fibre
It is chemical bonds, alginate functional layer is not easily to fall off during use, and hydrophile function is lasting.In addition, the application's is hydrophilic
Functional layer is calcium alginate, and calcium alginate belongs to natural macromolecular material, environmentally protective, harmless to environment and human body.
The application purpose is to provide polypropylene non-woven fabric that a kind of calcium alginate is modified and preparation method thereof.The alginic acid
The polypropylene non-woven fabric that calcium is modified is the polypropylene non-woven fabric of surface grafting calcium alginate.
The polypropylene non-woven fabric that the calcium alginate is modified, can be made of the preparation method comprising the steps of：With sea
Mosanom is grafted monomers, triggers sodium alginate that graft reaction occurs on polypropylene non-woven fabric through initiator, then via chlorination
The impregnation of calcium aqueous solution, drying, to obtain the final product.
Specifically, the preparation method for the polypropylene non-woven fabric that the calcium alginate is modified, including polypropylene non-woven fabric grafting
Two steps of process and chlorination Calcium treatment：
(1) polypropylene non-woven fabric grafting process：
A certain amount of sodium alginate powder is taken, is dissolved in deionized water or distilled water, is stirred, a period of time is stood, obtains
Transparent sodium alginate aqueous solution；Polypropylene non-woven fabric is immersed in sodium alginate aqueous solution, 20 DEG C~90 DEG C immersions 10~
30 minutes, 60~90 DEG C of preferable temperature；Bath raio scope is 1：20~1：1000, preferably 1：100~1：200；
Take initiator to be dissolved in deionized water or distilled water and initiator solution is made, do not have to the concentration of initiator solution
Require, initiator is all dissolved in water.
Initiator solution is poured into and is soaked with the sodium alginate aqueous solution of polypropylene non-woven fabric, after stirring evenly, in room
Temperature~90 DEG C of standing solution, soaks 6~12h by polypropylene non-woven fabric by preferably 40~60 DEG C；Grafting temperature, grafting temperature are set
20 DEG C~90 DEG C of scope, 60~90 DEG C of preferable temperature, when grafting time 2~6 is small；
(2) chlorination Calcium treatment：After graft reaction, polypropylene non-woven fabric, deionized water or distilled water cleaning are taken out, is put
In calcium chloride water, when 20 DEG C~90 DEG C immersions 0.5~24 are small；Take out polypropylene non-woven fabric, deionized water or distilled water
Cleaning, forced air drying, obtains the polypropylene non-woven fabric of calcium alginate modification.
Wherein, the effect of each component is as follows：
Sodium alginate：Grafted monomers, are grafted on polypropylene fibre under initiator effect；Initiator：Divide in grafting process
Solution generates free radicals, and initiation grafting reaction occurs；Deionized water or distilled water：Solvent, dissolved solid reactant；Calcium chloride：With
Chemical reaction generation calcium alginate occurs for the sodium alginate that previous step is grafted on polypropylene fibre, makes finally to coat one layer of seaweed on polypropylene fibre
Sour calcium, calcium alginate are hydrophilic functional layer.
The concentration range of sodium alginate is the 0.5%~2% of sodium alginate aqueous solution in the sodium alginate aqueous solution
(weight fraction).
The initiator for ammonium ceric nitrate, ammonium ceric nitrate-nitric acid (ammonium ceric nitrate and nitric acid composition composite initiator),
Ammonium persulfate, ammonium persulfate-sodium bisulfite (ammonium persulfate and sodium hydrogensulfite composition composite initiator), potassium peroxydisulfate,
Potassium peroxydisulfate-sodium hydrogensulfite (composite initiator of potassium peroxydisulfate and sodium hydrogensulfite composition), hydrogen peroxide-iron sulfite
At least one of (composite initiator of hydrogen peroxide and iron sulfite composition).
Above-mentioned composite initiator is water soluble, redox composite initiator, and oxidation occurs also by Oxidizing and Reducing Agents
Original reaction generates free radicals initiation grafting reaction.
The dosage of the initiator is 0.1%~1% weight fraction of sodium alginate dosage.
The concentration range of calcium chloride is 4~10% (weight point of calcium chloride water in the calcium chloride water
Number).
The hydrophilic functional layer that the application uses is calcium alginate, and this material is natural macromolecular material, and the parent of human body
It is good with property, and algae is derived from, it is environmentally protective, to environment and human body without any harm.
The chemical grafting method that the application uses makes that the combination power between polypropylene fibre and calcium alginate is strong, and hydrophilicity is held
Long, so as to overcome the polypropylene fibre and alginic acid brought in the prior art using the method for physics to the alginate hydrophilic modifying of polypropylene fibre
It is Van der Waals force between salt hydrophilic layer, weak with reference to power, alginate functional layer is easy to fall off and lose hydrophily in use,
The unabiding shortcoming of hydrophilicity.
The present processes include polypropylene non-woven fabric grafting and two steps of chlorination Calcium treatment.First, with sodium alginate
For grafted monomers, trigger radical polymerization through initiator, sodium alginate monomer is grafted to polypropylene non-woven fabric surface.Then will
Polypropylene non-woven fabric is cleaned with deionized water or distilled water, and it is clear to be placed in immersion, deionized water or distilled water in calcium chloride water
Wash, forced air drying, obtain the hydrophily polypropylene non-woven fabric of surface grafting calcium alginate.The third of the calcium alginate modification of the application
Synthetic fibre non-woven cloth can be used for the fields such as the hygienic cloth of disposable medical, domestic hygiene cloth, industrial cloth, sewage disposal film.This
Application employs the method in polypropylene non-woven fabric chemical grafting treated calcium alginate, and the hydrophily of polypropylene non-woven fabric is more steady
It is fixed.The preparation method technique of the application is simple to operation, suitable for large-scale production.
Brief description of the drawings
Fig. 1 is the scanning electron microscope (SEM) photograph (20,000 times of amplification) for the polypropylene non-woven fabric that 1 calcium alginate of embodiment is modified；
Fig. 2 is the scanning electron microscope (SEM) photograph (20,000 times of amplification) for the polypropylene non-woven fabric that 1 method of comparative example is handled；
Fig. 3 is the X-ray energy spectrogram for the polypropylene non-woven fabric that the calcium alginate of embodiment 1 is modified；
Fig. 4 is the X-ray energy spectrogram for the polypropylene non-woven fabric that 1 method of comparative example is handled；
As seen from Figure 1, Figure 2, the polypropylene non-woven fabric fiber surface of embodiment 1 is covered with calcium alginate, and the third of comparative example 1
The surface of synthetic fibre non-woven cloth fiber is smooth, finds no calcium alginate.
By can be seen that in Fig. 3,4, the X-ray energy spectrum of embodiment 1 shows Elements C a, and comparative example 1 does not detect element
Ca, it was confirmed that can be in polypropylene non-woven fabric surface grafting Calcium alginate using the present processes.
Embodiment
With reference to embodiment, the application is further illustrated.But the application is not restricted by the embodiments.Embodiment 1
Take 1g sodium alginates to be dissolved in 100g deionized waters, at room temperature magnetic agitation 2h, stand 1h, obtain clear
Sodium alginate aqueous solution；Polypropylene non-woven fabric is cut into 100mm × 100mm, the sodium alginate for being put into above-mentioned clear is water-soluble
In liquid, 40 DEG C of immersion 30min；Bath raio is 1:100.0.006g ammonium ceric nitrates (content >=98%) are taken to be put into 50g deionized waters,
Stirring to solution for pour into after transparent it is above-mentioned be impregnated with the sodium alginate aqueous solution of polypropylene non-woven fabric, stir evenly after
30 DEG C of standing 12h；Magnetic agitation is opened, and solution is warming up to 60 DEG C, reacts 4h；Room temperature is cooled to after reaction, is taken out
Polypropylene non-woven fabric, is soaked with deionized water and fully washed, and removes the non-grafted sodium alginate in polypropylene non-woven fabric top layer；By third
Synthetic fibre non-woven cloth is immersed in the calcium chloride solution of 100mL4% weight fractions, and 40 DEG C of reaction 1h, take out, and deionized water is cleaned, and 60
DEG C forced air drying, obtains the polypropylene non-woven fabric of calcium alginate modification.
Comparative example 1
Take 1g sodium alginates to be dissolved in 100g deionized waters, at room temperature magnetic agitation 2h, stand 1h, obtain clear
Sodium alginate soln；Polypropylene non-woven fabric is cut into 100mm × 100mm, is put into above-mentioned sodium alginate soln, 60 DEG C of immersions
4h；Then it is cooled to room temperature, takes out polypropylene non-woven fabric with 200mL deionized waters washing by soaking twice；Again by above-mentioned polypropylene fibre
Non-woven cloth is immersed in the calcium chloride solution of 100mL4% weight fractions, 40 DEG C of 1h, is taken out, and deionized water is cleaned, 60 DEG C of air blast
It is dry, obtain comparative example polypropylene non-woven fabric.
Embodiment 2
Take 1g sodium alginates to be dissolved in 100g deionized waters, at room temperature magnetic agitation 2h, stand 1h, obtain clear
Sodium alginate aqueous solution；Polypropylene non-woven fabric is cut into 100mm × 100mm, the sodium alginate for being put into above-mentioned clear is water-soluble
In liquid, 40 DEG C of immersion 30min；Bath raio is 1:100.0.001g ammonium ceric nitrates (content >=98%) are taken to be put into 50g deionized waters,
Stirring to solution for pour into after transparent it is above-mentioned be impregnated with the sodium alginate aqueous solution of polypropylene non-woven fabric, stir evenly after
60 DEG C of standing 6h；Magnetic agitation is opened, solution is warming up to 60 DEG C, reacts 6h；Room temperature is cooled to after reaction, and it is non-to take out polypropylene fibre
Woven cloths, are soaked and washed with deionized water, remove the non-grafted sodium alginate in polypropylene non-woven fabric top layer；Clean polypropylene fibre is non-
Woven cloths are immersed in the calcium chloride solution of 100mL4% weight fractions, and 40 DEG C of reaction 1h, take out, deionized water is cleaned, 60 DEG C of drums
It is air-dried dry, obtain the polypropylene non-woven fabric of calcium alginate modification.
Embodiment 3
Take 1g sodium alginates to be dissolved in 100g deionized waters, at room temperature magnetic agitation 2h, stand 1h, obtain clear
Sodium alginate aqueous solution；Polypropylene non-woven fabric is cut into 100mm × 100mm, the sodium alginate for being put into above-mentioned clear is water-soluble
In liquid, 40 DEG C of immersion 30min；Bath raio is 1:100.0.006g ammonium ceric nitrates (content >=98%) are taken to be put into 50g deionized waters,
Stirring to solution for pour into after transparent it is above-mentioned be impregnated with the sodium alginate aqueous solution of polypropylene non-woven fabric, stir evenly after
40 DEG C of standing 8h；Magnetic agitation is opened, solution is warming up to 90 DEG C, reacts 3h；Room temperature is cooled to after reaction, and it is non-to take out polypropylene fibre
Woven cloths, with deionized water washing by soaking, remove the non-grafted sodium alginate in polypropylene non-woven fabric top layer；Knit clean polypropylene fibre is non-
Make cloth to immerse in the calcium chloride solution of 4% weight fractions of 100mL, 40 DEG C of reaction 1h, take out, deionized water is cleaned, 60 DEG C of air blast
It is dry, obtain the polypropylene non-woven fabric of calcium alginate modification.
Embodiment 4
Take 1g sodium alginates to be dissolved in 100g deionized waters, at room temperature magnetic agitation 2h, stand 1h, obtain clear
Sodium alginate aqueous solution；Polypropylene non-woven fabric is cut into 100mm × 100mm, the sodium alginate for being put into above-mentioned clear is water-soluble
In liquid, 40 DEG C of immersion 30min；Bath raio is 1:100.0.006g ammonium persulfates (content >=99%) are taken to be put into 50g deionized waters,
Stirring to solution for pour into after transparent it is above-mentioned be impregnated with the sodium alginate aqueous solution of polypropylene non-woven fabric, stir evenly after
90 DEG C of standing 6h；Magnetic agitation is opened, solution is warming up to 60 DEG C, reacts 4h；Room temperature is cooled to after reaction, and it is non-to take out polypropylene fibre
Woven cloths, with deionized water washing by soaking, remove the non-grafted sodium alginate in polypropylene non-woven fabric top layer；Knit clean polypropylene fibre is non-
Make cloth to immerse in the calcium chloride solution of 100mL4% weight fractions, 40 DEG C of reaction 1h, take out, deionized water is cleaned, 60 DEG C of air blast
It is dry, obtain the polypropylene non-woven fabric of calcium alginate modification.
Embodiment 5
Take 2g sodium alginates to be dissolved in 100g deionized waters, at room temperature magnetic agitation 2h, stand 1h, obtain clear
Sodium alginate aqueous solution；Polypropylene non-woven fabric is cut into 100mm × 100mm, the sodium alginate for being put into above-mentioned clear is water-soluble
In liquid, 40 DEG C of immersion 30min；Bath raio is 1:100.0.01g ammonium ceric nitrates (content >=98%) are taken to be put into 50g deionized waters,
Stirring to solution for pour into after transparent it is above-mentioned be impregnated with the sodium alginate aqueous solution of polypropylene non-woven fabric, stir evenly after
25 DEG C of standing 12h；Magnetic agitation is opened, solution is warming up to 60 DEG C, reacts 4h；Room temperature is cooled to after reaction, takes out polypropylene fibre
Non-woven cloth, with deionized water washing by soaking, removes the non-grafted sodium alginate in polypropylene non-woven fabric top layer；Clean polypropylene fibre is non-
Woven cloths are immersed in the calcium chloride solution of 100mlL4% weight fractions, and 40 DEG C of reaction 1h, take out, deionized water is cleaned, 60 DEG C of drums
It is air-dried dry, obtain the polypropylene non-woven fabric of calcium alginate modification.
Comparative example 2
Take 2g sodium alginates to be dissolved in 100g deionized waters, at room temperature magnetic agitation 2h, stand 1h, obtain clear
Sodium alginate aqueous solution；Polypropylene non-woven fabric is cut into 100mm × 100mm, the sodium alginate for being put into above-mentioned clear is water-soluble
In liquid, 40 DEG C of immersion 30min；Take 0.01g ammonium ceric nitrates (content >=98%) to be put into 50g deionized waters, stir to solution and be
Poured into after transparent it is above-mentioned be impregnated with the sodium alginate soln of polypropylene non-woven fabric, open magnetic agitation immediately, solution heating
To 60 DEG C, 4h is reacted；Room temperature is cooled to after reaction, takes out polypropylene non-woven fabric, with deionized water washing by soaking, removes third
The non-grafted sodium alginate of synthetic fibre non-weaving cloth top layer；Clean polypropylene non-woven fabric is immersed to the chlorination of 100mlL4% weight fractions
In calcium solution, 40 DEG C of reaction 1h, take out, and deionized water cleans, 60 DEG C of forced air dryings, and the polypropylene fibre for obtaining calcium alginate modification non-is knitted
Make cloth.
Comparative example 3
Contrast test is carried out according to Chinese patent CN201310473945.0 embodiments, it is specific as follows：Prepare a certain amount of
Aqueous solution containing 2% (w/v) acetic acid, 0.6mol/L calcium chloride, i.e. the first mixed solution；Added into the first mixed solution
2% (w/v) degree of deacetylation is 60% chitosan, is sufficiently stirred dissolving, filtering, takes filtrate in standing under room temperature
At night, obtain the second mixed solution；A certain amount of 3% (w/v) sodium alginate aqueous solution is prepared, using this solution as water phase, in 50 conditions
Under instill 20% (v/v) paraffin and 1% (v/v) Span 80 thereto and stand 10 minutes and obtain water-in-oil emulsion；Take on 2500mL
State the second mixed solution to be added drop-wise in the above-mentioned water-in-oil emulsions of 2500mL, whole agitating device be added dropwise and is stirred with 600 revs/min,
Continue stirring 30 minutes after dripping off, when then standing 12 is small, obtain microcapsules dressing liquid；Add in the microcapsules dressing liquid walked upwards
The carboxymethyl cellulose for entering 0.15% (w/v) is uniformly mixed, and polypropylene non-woven fabric base material is being affixed to using roll coating model
Surface, roller speed 90 revs/min；Polypropylene non-woven fabric base material after starching is handled is placed in 80 conditions and is dried to dry tack free,
Obtain final hydrophilic polypropylene non-woven fabric.
Polypropylene non-woven fabric water imbibition is tested
Step 1：Polypropylene non-woven fabric and unmodified polypropylene non-woven fabric point prepared by embodiment 1~5 and comparative example 1~3
The sample of 5cm × 5cm sizes is not cut into, and 20 ± 1 DEG C, relative humidity 65 ± 2% transfers 24h and makees conditioning processing, measures sample
The weight of product obtains dry weight w1(g).Step 2：Sample is put into the glass dish for the diameter 15cm for filling 50mL deionized waters, 20 DEG C
Placed 30 minutes under 1 standard atmospheric pressure, the weight in wet base w of sample is measured after clamping the aerial suspension 30 seconds of one jiao of sample with tweezers2
(g).Step 3：Sample is still put back in deionized water and continues to place 24h, repeatedly aforesaid operations measure sample weight in wet base w again3(g)。
The sample water absorption rate of unit mass is (wn-w1)/w1(n=2,3).
Each polypropylene non-woven fabric sample after implementation above-mentioned steps 1~3 is put into 5g/L soap lyes and is soaped 5 minutes, temperature
For 40 DEG C, then washed with clear water, 40 DEG C of drying, obtained sample continues to repeat above-mentioned water imbibition test step 1, step 3.
It the results are shown in Table 1.
The water absorption rate test result of 1 embodiment 1~5 of table, comparative example 1~3 and unmodified polypropylene non-woven fabric
By table 1 as it can be seen that compared with unmodified polypropylene non-woven fabric, 30 minutes of modified polypropylene non-woven fabric and 24
The water absorption rate of hour improves about 2~3 times；Initiator is not put into comparative example 1, polypropylene non-woven fabric is only in sodium alginate soln
Middle immersion, without generation graft polymerization reaction between polypropylene non-woven fabric and calcium alginate, but compared with unmodified non-woven cloth,
The 24 of comparative example 1 it is small when water absorption rate slightly improve, calcium alginate that may be remaining between non-woven cloth gap is in action；Contrast
Not the step for initiator room temperature~90 DEG C immersion polypropylene non-woven fabric is not carried out in example 2, therefore cause the suction of polypropylene non-woven fabric
Water rate is relatively low；The result that absorbs water of comparative example 3 is preferable, but after soaping, the water absorption rate of comparative example 3 substantially reduces, because comparative example 3 is adopted
Physical modification method, hydrophily is influenced easily to lose by environment and external force, and the water absorption rate results change of the application is little,
Illustrate more preferable relative to comparative example 3, the hydrophilic persistence of the application.
Polypropylene non-woven fabric contact angle is tested
Make medium with deionized water at room temperature, water droplet is directly dropped in into embodiment 1~5 and comparative example 1 by needle tubing respectively
The surface of~3 polypropylene non-woven fabrics prepared and unmodified polypropylene non-woven fabric, it is direct with computing system by computer measurement
Read and record the static contact angle of water droplet, test result is shown in Table 2.
2 embodiment 1~5 of table, comparative example 1~3 and unmodified polypropylene non-woven fabric static contact angle measurement result
| Sample | Static contact angle [deg] |
| Unmodified polypropylene non-woven fabric | 135.3 |
| Embodiment 1 | 84.5 |
| Comparative example 1 | 105 |
| Embodiment 2 | 86.5 |
| Embodiment 3 | 85.3 |
| Embodiment 4 | 84.8 |
| Embodiment 5 | 77.2 |
| Comparative example 2 | 98.5 |
| Comparative example 3 | 85.6 |
As shown in Table 2, unmodified polypropylene non-woven fabric and the static contact angle of comparative example 1~3 be respectively 135.3 degree,
105 degree, 98.5 and 85.6 degree, and 90 degree are respectively less than with the modified polypropylene non-woven fabric static contact angle of the present processes,
Show hydrophily.
The X-ray energy spectrum of polypropylene non-woven fabric
Comparative example prepared by the polypropylene non-woven fabric and the method for comparative example 1 that calcium alginate prepared by embodiment 1 is modified
Polypropylene non-woven fabric carries out X-ray energy spectrum test analysis.The use of instrument is FEI Co. of the U.S., 450 scanning electron microscope of NanoSEM,
It the results are shown in Table 3 and table 4.
The X-ray energy spectrum for the polypropylene non-woven fabric that the calcium alginate of 3 embodiment 1 of table is modified
| Element | Wt% | At% |
| C K | 86.31 | 90.78 |
| N K | 01.79 | 01.62 |
| O K | 07.64 | 06.03 |
| SiK | 01.12 | 00.51 |
| ClK | 01.80 | 00.64 |
| CaK | 01.34 | 00.42 |
The X-ray energy spectrum of polypropylene non-woven fabric prepared by 4 comparative example 1 of table
| Element | Wt% | At% |
| C K | 90.31 | 92.32 |
| N K | 04.91 | 04.30 |
| O K | 03.90 | 02.99 |
| SiK | 00.88 | 00.39 |
It can be seen that from Fig. 3,4, the X-ray energy spectrum of the polypropylene non-woven fabric of the calcium alginate modification of embodiment 1 is shown
Elements C a, and polypropylene non-woven fabric prepared by comparative example 1 does not detect Elements C a, it was confirmed that can be using the present processes
Polypropylene non-woven fabric surface grafting Calcium alginate.
Claims (10)
- A kind of 1. polypropylene non-woven fabric that calcium alginate is modified, it is characterised in that：The polypropylene fibre that the calcium alginate is modified is non-woven Cloth is the polypropylene non-woven fabric of surface grafting calcium alginate.
- 2. the polypropylene non-woven fabric that a kind of calcium alginate according to claim 1 is modified, it is characterised in that by comprising following The preparation method of step is made：Using sodium alginate as grafted monomers, trigger sodium alginate on polypropylene non-woven fabric through initiator Generation graft reaction, then via calcium chloride water impregnation, drying, to obtain the final product.
- 3. the preparation method for the polypropylene non-woven fabric that a kind of calcium alginate according to claim 1 or 2 is modified, its feature exist In including two steps of polypropylene non-woven fabric grafting process and chlorination Calcium treatment：(1) polypropylene non-woven fabric grafting process：Take sodium alginate to be dissolved in deionized water or distilled water and prepare sodium alginate aqueous solution；Polypropylene non-woven fabric is immersed in sea In alginic acid sodium water solution, 20 DEG C~90 DEG C immersions, 60~90 DEG C of preferable temperature；Take initiator to be dissolved in dissolving in deionized water or distilled water and initiator solution is made, initiator solution is poured into and is soaked with In the sodium alginate aqueous solution of polypropylene non-woven fabric, after stirring evenly, room temperature~90 DEG C stand solution, preferably 40~60 DEG C, Polypropylene non-woven fabric is soaked into 6~12h；Then graft reaction is carried out；(2) chlorination Calcium treatment：After graft reaction, polypropylene non-woven fabric, deionized water or distilled water cleaning are taken out, is placed in chlorine Change and soaked in calcium aqueous solution；Polypropylene non-woven fabric, deionized water or distilled water cleaning are then taken out, it is dry, obtain calcium alginate Modified polypropylene non-woven fabric.
- 4. the preparation method for the polypropylene non-woven fabric that a kind of calcium alginate according to claim 3 is modified, it is characterised in that：(1) in polypropylene non-woven fabric grafting process, it is 20 DEG C~90 DEG C to set graft reaction temperature, 60~90 DEG C of preferable temperature, When the graft reaction time 2~6 is small.
- 5. the preparation method for the polypropylene non-woven fabric that a kind of calcium alginate according to claim 3 is modified, it is characterised in that：The concentration range of sodium alginate is 0.5%~2%wt of sodium alginate aqueous solution in the sodium alginate aqueous solution.
- 6. the preparation method for the polypropylene non-woven fabric that a kind of calcium alginate according to claim 3 is modified, it is characterised in that：(1) in polypropylene non-woven fabric grafting process, polypropylene non-woven fabric is immersed in sodium alginate aqueous solution, bath raio scope is 1：20~1：1000, preferably 1：100~1：200.
- 7. the preparation method for the polypropylene non-woven fabric that a kind of calcium alginate according to claim 2 is modified, it is characterised in that：The initiator is selected from composite initiator, ammonium persulfate, the ammonium persulfate of ammonium ceric nitrate, ammonium ceric nitrate and nitric acid composition Composite initiator, potassium peroxydisulfate, the composite initiator of potassium peroxydisulfate and sodium hydrogensulfite composition with sodium hydrogensulfite composition, mistake At least one of composite initiator of hydrogen oxide and iron sulfite composition.
- 8. the preparation method for the polypropylene non-woven fabric that a kind of calcium alginate according to claim 3 is modified, it is characterised in that：The dosage of the initiator is 0.1%~1%wt of sodium alginate dosage.
- 9. the preparation method for the polypropylene non-woven fabric that a kind of calcium alginate according to claim 3 is modified, it is characterised in that：The concentration range of calcium chloride is 4~10%wt in the calcium chloride water.
- 10. the preparation method for the polypropylene non-woven fabric that a kind of calcium alginate according to claim 3 is modified, its feature exist In：(2) in calcium chloride processing procedure：After graft reaction, polypropylene non-woven fabric, deionized water or distilled water cleaning are taken out, It is placed in calcium chloride water, when 20 DEG C~90 DEG C immersions 0.5~24 are small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935936.2A CN107974831B (en) | 2016-10-24 | 2016-10-24 | Calcium alginate modified polypropylene fiber non-woven fabric and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935936.2A CN107974831B (en) | 2016-10-24 | 2016-10-24 | Calcium alginate modified polypropylene fiber non-woven fabric and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107974831A true CN107974831A (en) | 2018-05-01 |
| CN107974831B CN107974831B (en) | 2020-12-18 |
Family
ID=62004932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610935936.2A Active CN107974831B (en) | 2016-10-24 | 2016-10-24 | Calcium alginate modified polypropylene fiber non-woven fabric and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107974831B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235027A (en) * | 2018-10-17 | 2019-01-18 | 江苏阳光股份有限公司 | A kind of nano silver method for sorting of antibacterial wool fabric |
| CN110592808A (en) * | 2019-09-02 | 2019-12-20 | 中科纺织研究院（青岛）有限公司 | Alga modified PP spunbonded non-woven fabric |
| CN112095225A (en) * | 2020-09-16 | 2020-12-18 | 宿州衣尔雅无纺布有限公司 | Breathable dry non-woven fabric and production method thereof |
| CN112941926A (en) * | 2021-01-28 | 2021-06-11 | 美高怡生生物技术(北京)有限公司 | Calcium alginate-sodium polyacrylate modified composite membrane and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6187391B1 (en) * | 1997-12-26 | 2001-02-13 | Agency Of Industrial Science & Technology | Method for modifying one surface of textile fabric or nonwoven fabric |
| CN101481856A (en) * | 2009-01-23 | 2009-07-15 | 东华大学 | Preparation of polypropylene nonwoven with hydrophile function |
| CN102086592A (en) * | 2010-12-07 | 2011-06-08 | 天津工业大学 | Polymeric hydrogel grafted on fibers by calcium ion crosslinking and preparation method thereof |
| CN102838710A (en) * | 2012-09-21 | 2012-12-26 | 汕头市东和机械有限公司 | Novel polypropylene graft-modification method |
| CN102993376A (en) * | 2012-12-17 | 2013-03-27 | 常州大学 | Polypropylene-hydrophilic monomer copolymer and preparation method thereof |
| CN104032572A (en) * | 2014-04-23 | 2014-09-10 | 武汉纺织大学 | Hydrophilic modification method for polyester fiber by using sodium alginate |
-
2016
- 2016-10-24 CN CN201610935936.2A patent/CN107974831B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6187391B1 (en) * | 1997-12-26 | 2001-02-13 | Agency Of Industrial Science & Technology | Method for modifying one surface of textile fabric or nonwoven fabric |
| CN101481856A (en) * | 2009-01-23 | 2009-07-15 | 东华大学 | Preparation of polypropylene nonwoven with hydrophile function |
| CN102086592A (en) * | 2010-12-07 | 2011-06-08 | 天津工业大学 | Polymeric hydrogel grafted on fibers by calcium ion crosslinking and preparation method thereof |
| CN102838710A (en) * | 2012-09-21 | 2012-12-26 | 汕头市东和机械有限公司 | Novel polypropylene graft-modification method |
| CN102993376A (en) * | 2012-12-17 | 2013-03-27 | 常州大学 | Polypropylene-hydrophilic monomer copolymer and preparation method thereof |
| CN104032572A (en) * | 2014-04-23 | 2014-09-10 | 武汉纺织大学 | Hydrophilic modification method for polyester fiber by using sodium alginate |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235027A (en) * | 2018-10-17 | 2019-01-18 | 江苏阳光股份有限公司 | A kind of nano silver method for sorting of antibacterial wool fabric |
| CN110592808A (en) * | 2019-09-02 | 2019-12-20 | 中科纺织研究院（青岛）有限公司 | Alga modified PP spunbonded non-woven fabric |
| EP3786323A1 (en) * | 2019-09-02 | 2021-03-03 | Sinotech Academy Of Textile (Qingdao) Co., Ltd. | Algae modified pp spunbond non-woven fabric |
| JP2021038495A (en) * | 2019-09-02 | 2021-03-11 | 中科紡織研究院（青島）有限公司Ｓｉｎｏｔｅｃｈ Ａｃａｄｅｍｙ ｏｆ Ｔｅｘｔｉｌｅ （Ｑｉｎｇｄａｏ） Ｃｏ．， Ｌｔｄ． | Seaweed-modified polypropylene spun-bonded nonwoven fabric |
| WO2021042717A1 (en) * | 2019-09-02 | 2021-03-11 | 中科纺织研究院（青岛）有限公司 | Algae-modified pp spunbonded non-woven fabric |
| JP7056977B2 (en) | 2019-09-02 | 2022-04-19 | 中科紡織研究院（青島）有限公司 | Seaweed modified polypropylene spunbonded non-woven fabric |
| US11453960B2 (en) * | 2019-09-02 | 2022-09-27 | Sinotech Academy Of Textile (Qingdao) Co., Ltd. | Algae modified pp spunbond non-woven fabric |
| CN112095225A (en) * | 2020-09-16 | 2020-12-18 | 宿州衣尔雅无纺布有限公司 | Breathable dry non-woven fabric and production method thereof |
| CN112941926A (en) * | 2021-01-28 | 2021-06-11 | 美高怡生生物技术(北京)有限公司 | Calcium alginate-sodium polyacrylate modified composite membrane and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107974831B (en) | 2020-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105002736B (en) | Graphene/polyvinyl alcohol modified nonwoven fabric production method | |
| Pinho et al. | Functionalization of cotton cellulose for improved wound healing | |
| CN107974831A (en) | Polypropylene non-woven fabric that a kind of calcium alginate is modified and preparation method thereof | |
| WO2020113903A1 (en) | Skincare and antibacterial microcapsule finishing agent, and preparation method therefor and application thereof | |
| CN105862418B (en) | A kind of preparation method of polypropylene antibacterial non-woven cloth | |
| CN102002852B (en) | Hydrophilic modification method of fabrics or nonwoven fabrics and obtained products | |
| KR20050085435A (en) | Absorbent articles containing an activated carbon substrate | |
| JP2007531827A (en) | Superabsorbent cellulosic fiber and method for producing the same | |
| CA2493850A1 (en) | Fluid storage material including particles secured with a crosslinkable binder composition | |
| CN1160497C (en) | Deodorizing fiber and process for producing the same | |
| JP2648760B2 (en) | Nonwoven fabric comprising biodegradable and superabsorbent resin composition and use thereof | |
| CN102877288A (en) | Preparation method of halamine-containing antibacterial polyacrylonitrile fiber | |
| CN109577003A (en) | Alginate fibre mask substrate and preparation method thereof | |
| CN104727140B (en) | Antibacterial fiber and preparation method thereof | |
| JP2010515836A (en) | Method for functionalizing fabric substrates by cross-linking under ionizing radiation | |
| JPH0813341A (en) | Method for processing cellulosic fabric | |
| CN114575142A (en) | Antibacterial non-woven fabric based on zinc oxide quantum dots and preparation method and application thereof | |
| CN114404305A (en) | Dry-state mask with spontaneous heating function and preparation method thereof | |
| CN108822962B (en) | Spice, spice microcapsule, fabric, preparation method of fabric and clothes | |
| JP2003102784A (en) | Moisture/water absorbing exothermic diaper | |
| CN113293616B (en) | Antibacterial polypropylene non-woven fabric and preparation method thereof | |
| Ferrero et al. | Chitosan coating on textile fibers for functional properties | |
| JP3387618B2 (en) | Method for producing modified polyester fiber material | |
| JP2623493B2 (en) | pH buffering fiber structure and method for producing the same | |
| JP2000051623A (en) | Blood filter and its manufacture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |