CN111607958A - Treatment method for improving hydrophilic permeability of polypropylene non-woven fabric - Google Patents
Treatment method for improving hydrophilic permeability of polypropylene non-woven fabric Download PDFInfo
- Publication number
- CN111607958A CN111607958A CN202010500204.7A CN202010500204A CN111607958A CN 111607958 A CN111607958 A CN 111607958A CN 202010500204 A CN202010500204 A CN 202010500204A CN 111607958 A CN111607958 A CN 111607958A
- Authority
- CN
- China
- Prior art keywords
- woven fabric
- polypropylene non
- minutes
- hydrophilic
- drying
- 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.)
- Withdrawn
Links
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 53
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 51
- -1 polypropylene Polymers 0.000 title claims abstract description 51
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 51
- 230000035699 permeability Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 35
- 238000001035 drying Methods 0.000 claims description 30
- 239000000243 solution Substances 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 16
- 238000005470 impregnation Methods 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 11
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 10
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 5
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 5
- 238000007605 air drying Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 238000001179 sorption measurement Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 206010021639 Incontinence Diseases 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
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
- 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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- 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
- D06M11/68—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/72—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
-
- 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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
-
- 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
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention relates to the technical field of non-woven fabric industry development, and discloses a treatment method for improving the hydrophilic permeability of a polypropylene non-woven fabric. The modified hydrophilic penetrant prepared by the invention can form a multilayer adsorption layer on the surface of the polypropylene non-woven fabric, generates hydrogen bond action with water, has the characteristics of hydrophilicity and no water return, can quickly absorb liquid and keep the surface dry and comfortable, and is an ideal material for manufacturing sanitary products such as infant paper diapers, female sanitary napkins, adult incontinence products and the like; the invention effectively overcomes the defect of the hydrophilic permeability of the existing polypropylene non-woven fabric, and expands the application space.
Description
Technical Field
The invention belongs to the technical field of non-woven fabric industry development, and particularly relates to a treatment method for improving hydrophilic permeability of a polypropylene non-woven fabric.
Background
Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers. It is called a cloth because of its appearance and certain properties. The non-woven fabric has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity or irritation, rich color, low price, recycling and the like. For example, the polypropylene (pp material) granules are mostly adopted as raw materials and are produced by a continuous one-step method of high-temperature melting, spinning, laying a line and hot-pressing coiling. The non-woven fabric breaks through the traditional spinning principle and has the characteristics of short process flow, high production rate, high yield, low cost, wide application, multiple raw material sources and the like.
The polypropylene non-woven fabric is light in weight, only three fifths of cotton, fluffy and good in hand feeling. The good hydrophobic and air permeability of polypropylene materials is an advantage, and the development of polypropylene materials in the field of sanitary products is limited. Because of poor hydrophilicity and almost no water absorption, the material is far inferior to the traditional cotton product material in the field of manufacturing extensive consumable sanitary products such as infant paper diapers, female sanitary napkins, adult incontinence products and the like. China CN201710754684.8 (China) is a hydrophilic and pollution-resistant polypropylene non-woven fabric and a preparation method thereof, which improve the hydrophilicity of the polypropylene non-woven fabric to a certain extent, but have the problems of great damage to the non-woven fabric, not ideal overall effect, easy loss of the characteristic of maintaining dry and comfortable surface and bad influence on the physical and mechanical properties of polypropylene fibers.
Disclosure of Invention
The invention aims to solve the existing problems and provides a treatment method for improving the hydrophilic permeability of a polypropylene non-woven fabric, so that the hydrophilic permeability of the polypropylene non-woven fabric is improved, the strength of polypropylene fibers is maintained, and the adsorption capacity is very stable.
The invention is realized by the following technical scheme:
a processing method for improving the hydrophilic permeability of a polypropylene non-woven fabric comprises the steps of carrying out dipping finishing on the polypropylene non-woven fabric by using a prepared modified hydrophilic penetrating agent, and forming a hydrophilic film on the surface of the polypropylene non-woven fabric, so that moisture is spread and penetrated on the surface of the non-woven fabric, the moisture is effectively locked, and the hydrophilic permeability of the polypropylene non-woven fabric is improved;
specifically, the preparation method of the modified hydrophilic penetrant comprises the following process steps:
slowly adding 7.4-7.8 ml of titanium chloride into 112-118 ml of ethanol solution at the stirring speed of 180 revolutions per minute at 160-24 ℃, continuously stirring for 1-2 hours at 20-24 ℃, dropwise adding 3.7-4.0 ml of hydrochloric acid solution with the molar concentration of 0.14-0.016 mol/L into the mixed solution at the stirring speed of 150 revolutions per minute at 140-8 drops per minute, adding 5-8 ml of newly prepared distilled water into the system after dropwise adding, continuously stirring for 30-40 minutes, standing and aging in an oven at 55-65 ℃ for 12-15 hours, transferring into a constant-temperature and constant-humidity drying box at 90-96 ℃ for drying for 3-4 hours, wherein the relative air humidity in the drying box is 40-45%; and then placing the mixture into a tubular furnace, heating to 370-380 ℃ at the speed of 2-3 ℃/min, carrying out heat preservation calcination for 2.0-3.0 hours, naturally cooling to room temperature, grinding into powder to obtain porous titanium oxide powder with the particle size of 10-17 nanometers, adding 80-85 ml of polyethylene glycol aqueous solution with the mass concentration of 0.24-0.28% and 1.17-1.21 g of hexadecyl trimethyl ammonium bromide into the prepared titanium oxide powder, rapidly stirring for 15-20 minutes at the speed of 750 revolutions per minute of 700-40 ℃, adding 3.5-4.0 times of volume of deionized water into the system, and mechanically stirring and dispersing for 70-80 minutes at the temperature of 35-40 ℃ to obtain the modified hydrophilic penetrant.
The use method of the modified hydrophilic penetrant comprises the following steps: dispersing the prepared modified hydrophilic penetrant into a sodium tripolyphosphate aqueous solution with the pH value of 7.8-8.1, wherein the dispersion mass ratio is 1:11-14, adding sodium metasilicate into the dispersion solution, the addition amount is 4.4-4.9 g/kg, continuously stirring for 17-20 minutes, then ultrasonically dispersing for 8-12 minutes to obtain an impregnation treatment solution, impregnating the polypropylene non-woven fabric according to the solid-liquid mass ratio of 1:8.5-10.0, wherein the impregnation temperature is 20-26 ℃, the impregnation time is 3.5-5.5 minutes, taking out, controlling water, controlling the mangle rolling rate within the range of 170-.
Compared with the prior art, the invention has the following advantages: in order to solve the problem of limited application caused by lack of the hydrophilic performance of the polypropylene non-woven fabric, the invention provides a treatment method for improving the hydrophilic permeability of the polypropylene non-woven fabric. The modified hydrophilic penetrant prepared by the invention can form a multilayer adsorption layer on the surface of the polypropylene non-woven fabric, generates hydrogen bond action with water, has the characteristics of hydrophilicity and no water return, can quickly absorb liquid and keep the surface dry and comfortable, and is an ideal material for manufacturing sanitary products such as infant paper diapers, female sanitary napkins, adult incontinence products and the like; the particles with the nano-porous structure are selectively gathered around the hydrophilic group and generate a synergistic effect with the cetyl trimethyl ammonium bromide surfactant to form a multilayer adsorption structure, so that the hydrophilic permeability of the polypropylene non-woven fabric is improved, the strength of the polypropylene fiber is maintained, and the adsorption capacity is very stable. The invention effectively overcomes the defect of the hydrophilic permeability of the existing polypropylene non-woven fabric, and expands the application space.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described with reference to specific embodiments, and it should be understood that the specific embodiments described herein are only used for explaining the present invention and are not used for limiting the technical solutions provided by the present invention.
Example 1
A treatment method for improving hydrophilic permeability of polypropylene non-woven fabric specifically comprises the following process steps:
the first step is as follows: preparing a modified hydrophilic penetrant: slowly adding 7.4 ml of titanium chloride into 112 ml of ethanol solution at a stirring speed of 160 revolutions per minute, continuously stirring for 1 hour at 20 ℃, dropwise adding 3.7 ml of hydrochloric acid solution with the molar concentration of 0.14 mol/L into the mixed solution at a stirring speed of 140 revolutions per minute, wherein the dropwise adding speed is 7 drops per minute, after the dropwise adding is finished, adding 5 ml of newly prepared distilled water into the system, continuously stirring for 30 minutes, standing and aging in a 55 ℃ drying oven for 12 hours, and then transferring to a 90 ℃ constant-temperature constant-humidity drying oven for drying for 3 hours, wherein the relative air humidity in the drying oven is 40%; and then placing the mixture into a tubular furnace, heating the mixture to 370 ℃ at the speed of 2 ℃/min, carrying out heat preservation and calcination for 2.0 hours, naturally cooling the mixture to room temperature, grinding the mixture into powder to obtain porous titanium oxide powder with the particle size of 10-17 nanometers, adding 80 ml of 0.24% polyethylene glycol aqueous solution and 1.17 g of hexadecyl trimethyl ammonium bromide into the prepared titanium oxide powder, rapidly stirring the mixture for 15 minutes at the speed of 700 revolutions per minute, adding 3.5 times of volume of deionized water into the system, and mechanically stirring and dispersing the mixture for 70 minutes at the temperature of 35 ℃ to obtain the modified hydrophilic penetrant.
The second step is that: use of modified hydrophilic penetrant: dispersing the prepared modified hydrophilic penetrant into a sodium tripolyphosphate aqueous solution with the pH value of 7.8, wherein the dispersion mass ratio is 1:11, adding sodium metasilicate into the dispersion liquid, the addition amount is 4.4 g/kg, continuously stirring for 17 minutes, then ultrasonically dispersing for 8 minutes to obtain an impregnation treatment liquid, impregnating the polypropylene non-woven fabric according to the solid-liquid mass ratio of 1:8.5, wherein the impregnation temperature is 20 ℃, the impregnation time is 3.5 minutes, taking out the polypropylene non-woven fabric, controlling the water control, controlling the mangle rolling rate within the range of 170-180%, drying, placing the polypropylene non-woven fabric in a 90 ℃ blast drying box for drying for 15 minutes, and naturally air-drying.
And performing a hydrophilic permeability test on the treated polypropylene non-woven fabric, wherein the reference standards are GB/T24218-. The contact angle of water on the polypropylene non-woven fabric before treatment is 143 degrees, the contact angle of water after hydrophilic permeation treatment is reduced to 5 degrees, the hydrophilicity is obviously improved, and the rapid permeation effect is achieved.
Example 2
A treatment method for improving hydrophilic permeability of polypropylene non-woven fabric specifically comprises the following process steps:
the first step is as follows: preparing a modified hydrophilic penetrant: slowly adding 7.6 ml of titanium chloride into 115 ml of ethanol solution at a stirring speed of 170 revolutions per minute, continuously stirring for 1.5 hours at 22 ℃, then dropwise adding 3.8 ml of hydrochloric acid solution with the molar concentration of 0.15 mol/L into the mixed solution at a stirring speed of 145 revolutions per minute, wherein the dropwise adding speed is 7 drops per minute, after the dropwise adding is finished, adding 6.5 ml of newly prepared distilled water into the system, continuously stirring for 35 minutes, standing and aging in a 60 ℃ drying oven for 13 hours, transferring to a 93 ℃ constant-temperature and constant-humidity drying oven, and drying for 3.5 hours, wherein the relative air humidity in the drying oven is 42%; and then placing the mixture into a tubular furnace, heating the mixture to 375 ℃ at the speed of 2.5 ℃/min, carrying out heat preservation and calcination for 2.5 hours, naturally cooling the mixture to room temperature, grinding the mixture into powder to obtain porous titanium oxide powder with the particle size of 10-17 nanometers, adding 82 milliliters of 0.26 percent polyethylene glycol aqueous solution and 1.19 grams of hexadecyl trimethyl ammonium bromide into the prepared titanium oxide powder, rapidly stirring the mixture for 18 minutes at the speed of 725 revolutions per minute, adding 3.8 times of volume of deionized water into the system, and mechanically stirring and dispersing the mixture for 75 minutes at 38 ℃ to obtain the modified hydrophilic penetrant.
The second step is that: use of modified hydrophilic penetrant: dispersing the prepared modified hydrophilic penetrant into a sodium tripolyphosphate aqueous solution with the pH value of 7.9, wherein the dispersion mass ratio is 1:13, adding sodium metasilicate into the dispersion liquid, the addition amount is 4.6 g/kg, continuously stirring for 18 minutes, then carrying out ultrasonic dispersion for 10 minutes to obtain an impregnation treatment liquid, impregnating a polypropylene non-woven fabric according to the solid-liquid mass ratio of 1:9.2, wherein the impregnation temperature is 23 ℃, the impregnation time is 4.5 minutes, taking out the polypropylene non-woven fabric, controlling the water control, controlling the mangle rolling rate within the range of 170-180%, drying, placing the polypropylene non-woven fabric in a 93 ℃ blast drying box, drying for 20 minutes, and naturally air-drying.
And performing a hydrophilic permeability test on the treated polypropylene non-woven fabric, wherein the reference standards are GB/T24218-. The contact angle of water on the polypropylene non-woven fabric before treatment is 143 degrees, the contact angle with water is reduced to 3 degrees after hydrophilic permeation treatment, the hydrophilicity is obviously improved, and the rapid permeation effect is achieved.
Example 3
A treatment method for improving hydrophilic permeability of polypropylene non-woven fabric specifically comprises the following process steps:
the first step is as follows: preparing a modified hydrophilic penetrant: slowly adding 7.8 ml of titanium chloride into 118 ml of ethanol solution at a stirring speed of 180 revolutions per minute, continuously stirring for 2 hours at 24 ℃, dropwise adding 4.0 ml of hydrochloric acid solution with the molar concentration of 0.016 mol/L into the mixed solution at a stirring speed of 150 revolutions per minute, wherein the dropwise adding speed is 8 drops per minute, after the dropwise adding is finished, adding 8 ml of newly prepared distilled water into the system, continuously stirring for 40 minutes, standing and aging in a 65 ℃ drying oven for 15 hours, and then transferring to a 96 ℃ constant-temperature constant-humidity drying oven for drying for 4 hours, wherein the relative air humidity in the drying oven is 45%; and then placing the mixture into a tubular furnace, heating to 380 ℃ at the speed of 3 ℃/min, carrying out heat preservation and calcination for 3.0 hours, naturally cooling to room temperature, grinding the mixture into powder to obtain porous titanium oxide powder with the particle size of 10-17 nanometers, adding 85 ml of polyethylene glycol aqueous solution with the mass concentration of 0.28% and 1.21 g of hexadecyl trimethyl ammonium bromide into the prepared titanium oxide powder, rapidly stirring for 20 minutes at the speed of 750 revolutions per minute, adding 4.0 times of volume of deionized water into the system, and mechanically stirring and dispersing for 80 minutes at 40 ℃ to obtain the modified hydrophilic penetrant.
The second step is that: use of modified hydrophilic penetrant: dispersing the prepared modified hydrophilic penetrant into a sodium tripolyphosphate aqueous solution with the pH value of 8.1, wherein the dispersion mass ratio is 1:14, adding sodium metasilicate into the dispersion liquid, the addition amount is 4.9 g/kg, continuously stirring for 20 minutes, then ultrasonically dispersing for 12 minutes to obtain an impregnation treatment liquid, impregnating the polypropylene non-woven fabric according to the solid-liquid mass ratio of 1:10.0, wherein the impregnation temperature is 26 ℃, the impregnation time is 5.5 minutes, taking out the polypropylene non-woven fabric, controlling the mangle rolling rate within the range of 170-180%, drying, placing the polypropylene non-woven fabric in a 95 ℃ blast drying box for drying for 25 minutes, and naturally air-drying.
And performing a hydrophilic permeability test on the treated polypropylene non-woven fabric, wherein the reference standards are GB/T24218-. The contact angle of water on the polypropylene non-woven fabric before treatment is 143 degrees, the contact angle of water after hydrophilic permeation treatment is reduced to 4 degrees, the hydrophilicity is obviously improved, and the rapid permeation effect is achieved.
Claims (6)
1. A treatment method for improving the hydrophilic permeability of a polypropylene non-woven fabric is characterized by comprising the following process steps:
(1) slowly adding 7.4-7.8 ml of titanium chloride into 112-118 ml of ethanol solution at the stirring speed of 180 revolutions per minute at 160-24 ℃, continuously stirring for 1-2 hours at 20-24 ℃, then dropwise adding 3.7-4.0 ml of hydrochloric acid solution into the mixed solution at the stirring speed of 150 revolutions per minute at 140-8 drops per minute, after dropwise adding, adding 5-8 ml of newly prepared distilled water into the system, continuously stirring for 30-40 minutes, standing and aging in an oven at 55-65 ℃ for 12-15 hours, and then transferring to a constant-temperature and constant-humidity drying box at 90-96 ℃ for drying for 3-4 hours;
(2) placing the dried substance obtained in the step (1) in a tubular furnace, heating to 370-380 ℃ at the speed of 2-3 ℃/min, carrying out heat preservation and calcination for 2.0-3.0 hours, naturally cooling to room temperature, grinding into powder to obtain porous titanium oxide powder, adding 80-85 ml of polyethylene glycol aqueous solution and 1.17-1.21 g of hexadecyl trimethyl ammonium bromide into the prepared titanium oxide powder, rapidly stirring for 15-20 minutes at the speed of 750 revolutions per minute of 700-40 ℃, adding 3.5-4.0 times of volume of deionized water into the system, and mechanically stirring and dispersing for 70-80 minutes at the temperature of 35-40 ℃ to obtain the modified hydrophilic penetrant;
(3) dispersing the modified hydrophilic penetrant prepared in the step (2) into a sodium tripolyphosphate aqueous solution, wherein the dispersion mass ratio is 1:11-14, adding sodium metasilicate into the dispersion solution, the addition amount is 4.4-4.9 g/kg, continuously stirring for 17-20 minutes, then ultrasonically dispersing for 8-12 minutes to obtain an impregnation treatment solution, impregnating the polypropylene non-woven fabric according to the solid-liquid mass ratio of 1:8.5-10.0, wherein the impregnation temperature is 20-26 ℃, the impregnation time is 3.5-5.5 minutes, taking out and controlling water, controlling the mangle rolling rate within the range of 170-180%, drying, placing in a 90-95 ℃ blast drying box, drying for 15-25 minutes, and naturally air-drying.
2. The method as claimed in claim 1, wherein the hydrochloric acid solution in step (1) has a molar concentration of 0.14-0.016 mol/L.
3. The treatment method for improving the hydrophilic permeability of the polypropylene non-woven fabric according to claim 1, wherein the relative humidity of the air in the constant temperature and humidity drying oven in the step (1) is 40-45%.
4. The method for improving hydrophilic permeability of polypropylene nonwoven fabric according to claim 1, wherein the porous titanium oxide powder in step (2) has a particle size of 10-17 nm.
5. The treatment method for improving the hydrophilic permeability of the polypropylene non-woven fabric according to claim 1, wherein the mass concentration of the polyethylene glycol aqueous solution in the step (2) is 0.24-0.28%.
6. The treatment method for improving the hydrophilic permeability of the polypropylene non-woven fabric according to claim 1, wherein the pH value of the aqueous solution of sodium tripolyphosphate in the step (3) is 7.8-8.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500204.7A CN111607958A (en) | 2020-06-04 | 2020-06-04 | Treatment method for improving hydrophilic permeability of polypropylene non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500204.7A CN111607958A (en) | 2020-06-04 | 2020-06-04 | Treatment method for improving hydrophilic permeability of polypropylene non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111607958A true CN111607958A (en) | 2020-09-01 |
Family
ID=72202380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010500204.7A Withdrawn CN111607958A (en) | 2020-06-04 | 2020-06-04 | Treatment method for improving hydrophilic permeability of polypropylene non-woven fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111607958A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183555A (en) * | 2021-04-23 | 2021-07-30 | 恒天嘉华非织造有限公司 | Breathable and dry double-layer non-woven fabric and processing technology thereof |
-
2020
- 2020-06-04 CN CN202010500204.7A patent/CN111607958A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183555A (en) * | 2021-04-23 | 2021-07-30 | 恒天嘉华非织造有限公司 | Breathable and dry double-layer non-woven fabric and processing technology thereof |
| CN113183555B (en) * | 2021-04-23 | 2022-02-18 | 恒天嘉华非织造有限公司 | Breathable and dry double-layer non-woven fabric and processing technology thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107847834A (en) | The manufacture method of air cleaner filtering material | |
| JPH07502081A (en) | cellulose fiber | |
| CN108998889A (en) | A kind of preparation process of ES hydrophilic fibers non-woven fabrics | |
| CN100422427C (en) | Filler-fixed fiber, fiber structure, molded fiber, and processes for producing these | |
| CN110552197A (en) | Breathable and warm-keeping aerogel composite fabric and preparation method thereof | |
| CN111286852B (en) | Preparation method of long-acting anti-fouling fabric based on nanogel treatment | |
| CN111791549A (en) | Bio-based high-breathability antibacterial fabric and preparation method thereof | |
| CN108385242B (en) | A kind of antistatic, radiation protection, fire-retardant, high permeability fabric and preparation method thereof | |
| CN109847092A (en) | A kind of hemostasis compound and preparation method thereof | |
| CN111607958A (en) | Treatment method for improving hydrophilic permeability of polypropylene non-woven fabric | |
| CN104947223A (en) | Low-damage green ecological bacteriostatic down fiber and making method thereof | |
| CN113106633A (en) | Antibacterial PP (polypropylene) spun-bonded non-woven fabric and preparation method thereof | |
| RU2004661C1 (en) | Method of modified fibrous material making | |
| CN104611922A (en) | Method for preparing wood fiber textile fabric with super-strong toughness | |
| CN108396466A (en) | A kind of Novel heat-preservation gum sprayed cotton and preparation method thereof | |
| CN115246259B (en) | Moisture-absorbing breathable heat-preservation down composite fabric and preparation method thereof | |
| CN105821715A (en) | Mosquito-repellent wear-resistant negative ion melt spraying non-woven fabric wallpaper base layer and manufacture method thereof | |
| CN103668545A (en) | Soft fiber and functional fiber prepared therefrom | |
| CN111411545A (en) | Modifier for thermal bonding method expanded paper and preparation method and application thereof | |
| CN104294400A (en) | Cotton fibers with antibacterial anti-mite effects and manufacturing method thereof | |
| CN111058188A (en) | Natural fiber-based nonwoven fabric | |
| CN110273303A (en) | A kind of non-woven fabrics applied to paper diaper surface layer | |
| CN110735320A (en) | antibacterial, anti-mite and mildew-proof fabric | |
| TWI293654B (en) | Method for fabricating multifunctional cellulose fiber and the fiber made of | |
| CN101880971A (en) | Functional non-woven fabric and fabrication method thereof |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200901 |