CN105714555A - Polypropylene spunbonded nonwoven after going through surface hydrophilic treatment - Google Patents
Polypropylene spunbonded nonwoven after going through surface hydrophilic treatment Download PDFInfo
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- CN105714555A CN105714555A CN201510997014.XA CN201510997014A CN105714555A CN 105714555 A CN105714555 A CN 105714555A CN 201510997014 A CN201510997014 A CN 201510997014A CN 105714555 A CN105714555 A CN 105714555A
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- Prior art keywords
- spunbonded nonwovens
- isomery
- polyethylene glycol
- spunbonded nonwoven
- tween
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- 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
- D06M13/10—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 oxygen
- D06M13/165—Ethers
- D06M13/17—Polyoxyalkyleneglycol ethers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; 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
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Epidemiology (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Nonwoven Fabrics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to polypropylene spunbonded nonwoven after going through surface hydrophilic treatment. A finishing agent of a composition equivalent to 0.3-0.5% of basis weight is coated on the surface of the polypropylene spunbonded nonwoven. 0.02-0.10 g of heterogeneous 13 alcohol polyether, 0.006-0.04 g of Tween-65 and 0.01-0.08 g of polyethylene glycol glycerin ether are uniformly distributed on the surface of the polypropylene spunbonded nonwoven each square meter. The polypropylene spunbonded nonwoven finished can realize multiple-time hydrophilic effect less than 2 seconds for three times of hydrophilism and less than 3 seconds for five times of hydrophilism, and reverse osmosis quantity is not greater than 0.2 g. The polypropylene spunbonded nonwoven is simple in process and has good multiple-time hydrophilic osmosis performance and low reverse osmosis performance.
Description
Technical field
The present invention relates to a kind of PP spunbonded nonwovens, particularly relate to a kind of have repeatedly continue the most hydrophilic PP spunbonded nonwovens, its surface layer and/or integument of being suitable for manufacturing disposable sanitary articles.
Background technology
In modern society lives, the use of disposable sanitary articles such as sanitary towel, diaper, nursing pad etc. is the most universal.The use impression of consumer is directly affected owing to these disposable sanitary articles and direct skin contact, the permeability on its surface and tide are sympathetic.PP spunbonded nonwovens commonly used fibre composition polypropylene is that the permeance property of hydrophobic, the most hydrophilic treated PP spunbonded nonwovens is poor, and water droplet is difficult at its surface spreading.The hydrophilic treatment process of traditional PP spunbonded nonwovens is the surfactant by the way of dipping at its surface coating thin layer, therefore the permeance property of PP spunbonded nonwovens is mainly affected by this surfactant: when the hydrophilic of surfactant is preferable, its resistance to flushing performance is the most poor, the first time permeance property of the PP spunbonded nonwovens after arrangement is preferable, but the permeance property after third time is with regard to undesirable (generally more than 3 seconds)；Otherwise, when the hydrophobicity of surfactant is preferable, although its resistance to washability is preferable, but drop is difficult to come at its surface spreading, and time of penetration is undesirable first.
The invention aims to overcome drawbacks described above to provide a kind of PP spunbonded nonwovens arranged through surface hydrophilic, this PP spunbonded nonwovens can not only realize preferably the most repeatedly hydrophilic effect: three times hydrophilic is less than 2 seconds, five times hydrophilic is less than 3 seconds, returns milliosmolarity and is not more than 0.2 gram；And there is bigger hydrophilic permeability, liquid is easily in its surface spreading, infiltration.
Summary of the invention
A kind of PP spunbonded nonwovens arranged through surface hydrophilic, the surface of this PP spunbonded nonwovens is coated with the finishing agent of the weight percent content being equivalent to its basic weight 0.3%-0.5%, it is characterised in that the PP spunbonded nonwovens surface of every square metre is evenly distributed with:
A) the isomery 13 alcohol polyethers of 0.02g-0.10g；
B) Tween-65 of 0.006g-0.04g；With
C) the polyethylene glycol glycerol ether of 0.01g-0.08g.
Wherein said finishing agent comprises: A) isomery 13 alcohol polyethers；B) Tween-65；And C) polyethylene glycol glycerol ether.
PP spunbonded nonwovens of the present invention, it is characterised in that described finishing agent is a kind of compositions, it comprises:
A) the isomery 13 alcohol polyethers of 40%-60% weight portion；
B) Tween-65 of 10%-20% weight portion；
C) the polyethylene glycol glycerol ether of surplus.
The quantity of polyethylene oxide (EO) segment contained by isomery 13 alcohol polyethers of the present invention is 3-5.
The molecular weight of the Polyethylene Glycol segment contained by polyethylene glycol glycerol ether of the present invention is 200-400.
The surface layer of a kind of disposable sanitary articles and/or integument, its utilization is fabricated by according to the PP spunbonded nonwovens described in arbitrary the claims.
First the component of the hydrophilic finishing agent being applicable to PP spunbonded nonwovens is analyzed by the present invention:
1, the finishing agent being traditionally used for fiber hydrophilic finiss is the surfactant with linear paraffin, and the number of its carbochain is 12-22.Such surfactant arranges on the fiber that surface is polyethylene has good effect, but it is the most not ideal at the hydrophilic finiss of the PP spunbonded nonwovens with polypropylene fibre as material, being mainly manifested in surfactant molecule more weak with polyacrylic adhesion, resistance to washability is poor.One of component that the present invention selects isomery 13 alcohol polyethers to be finishing agent, the molecular structure of isomery 13 alcohol polyethers has the long chain alkane of methyl branch, and its structure is as follows:
With polyacrylic structureSimilar, according to the theory of similar blind date, the molecule of isomery 13 alcohol polyethers is stronger with polyacrylic adhesion.The present invention tests the isomery 13 alcohol polyethers of the different EO segment quantity finishing effect to PP spunbonded nonwovens, and the amount of the isomery 13 alcohol polyethers of PP spunbonded nonwovens surface coating is 0.08g/m2(being shown in Table 1).In order to realize preferable resistance to washability, in the molecule of isomery 13 alcohol polyethers, the quantity of EO segment controls as 3-5.When the quantity of EO segment is less than 3, the hydrophobicity of isomery 13 alcohol polyethers is too strong, cannot form stable emulsification system during preparation working solution, shows as working solution layering；When the quantity of EO segment is more than 5, the hydrophilic of isomery 13 alcohol polyethers is too strong and makes the third time time of penetration of PP spunbonded nonwovens more than 4 seconds.
The EO segment quantity impact on the finishing effect of PP spunbonded nonwovens in the molecule of table 1. isomery 13 alcohol polyethers
Remarks: the basic weight of test PP spunbonded nonwovens is 18 grams every square metre.
2, the finishing agent being conventionally used to fiber hydrophilic finiss is the surfactant with linear paraffin, and the number of its carbochain is 12-22, and with the soluble groups of short chain, because it maintains the character of oils and fats, referred to as lipophile or hydrophobic group.Such surfactant mainly passes through Van der Waals force with the combination of fiber, and along with the increase of carbon chain lengths, adhesion strengthens, but the stability in working solution declines simultaneously.When carbon chain lengths is more than 18, the hydrophobicity of surfactant is too strong, and the stability in working solution cannot meet technological requirement.
Polypropylene is the molecular structure with methyl branchIn its molecule, the conjugation of methyl makes tertiary carbon atom in molecule show electronegativity.Alkyl esters surfactant, wherein the carbon atom of ester group is directly connected with oxygen atom, and by the inductive effect of strong electronegativity oxygen atom, the carbon atom on ester group shows electropositive.Therefore ester group and polypropylene are by the most electronegative combination so that adhesion strengthens.
Tween-65 has another name called polyoxyethylene 20 sorbitan tristearate, and its structure is:
Wherein, average w+x+y+z=20.
The present invention selects to have in molecular structure three carbon numbers to be the chain alkyl of 18 and the Tween-65 of three ester groups as one of the component of finishing agent.Three chain alkyls in Tween-65 and three ester groups are by Van der Waals force and the most electronegative attract each other so that the conjugation of the PP spunbonded nonwovens of Tween-65 and polypropylene base has obtained the biggest enhancing；Meanwhile, molecule has 20 hydrophilic EO segments so that Tween-65 hydrophilic finiss on PP spunbonded nonwovens, not only there is good hydrophilic, and good anti-developing result can be realized.The present invention tests the amount of the different Tween-65 finishing effect to PP spunbonded nonwovens.When the amount of Tween-65 is less than 0.006g/m2Time, the four, the 5th sub-percolation times were both greater than 3 seconds；When the amount of Tween-65 is more than 0.04g/m2Time, return milliosmolarity more than 0.2 gram.
The amount of the different Tween-65 of the table 2. hydrophilic finiss effect to PP spunbonded nonwovens
Remarks: the basic weight of test PP spunbonded nonwovens is 18 grams every square metre.
3, the composition being traditionally used for non-weaving cloth hydrophilic finiss mainly has the material of surface activity.Therefore, the surface after non-weaving cloth arranges can decline, and this allows for water droplet and declines in the spreadability of nonwoven fabric surface, is unfavorable for the infiltration of water droplet.The present invention selects polyethylene glycol glycerol ether to be hydrophilic porous agent, in polyethylene glycol glycerol ether, the ehter bond of water repellent is combined with polypropylene molecule, Polyethylene Glycol segment spreads over its surface, the surface being effectively improved PP spunbonded nonwovens can, make the water droplet can be preferably in the infiltration of the surface spreading of PP spunbonded nonwovens, beneficially water droplet.
4, isomery 13 alcohol polyethers has the advantage that seepage velocity is fast to the arrangement of PP spunbonded nonwovens, but its anti-impact washes performance deficiency, and it is bigger to return milliosmolarity；Tween-65 has preferable anti-impact and washes performance, but the seepage velocity of its first three time is relatively slow, and its dissolubility is poor.Finishing agent composition of the present invention uses the compounding of isomery 13 alcohol polyethers and Tween-65, not only improves seepage velocity of first three time, reduces and return milliosmolarity, and the solubilising of beneficially Tween-65.Polyethylene glycol glycerol ether compounding, efficiently solves simple abutment surface active substance and arranges the problem that the surface that PP spunbonded nonwovens brought can decline.
Well known in the art: integument refers between surface layer and/or guide layer and counterdie for wrapping up absorptive core, prevent the loose covering material come off of absorptive core.
Detailed description of the invention
Below by way of detailed description of the invention, the present invention is described in detail, but the design concept of the present invention is not limited thereto.Embodiment
A) isomery 13 alcohol polyethers-3, isomery 13 alcohol polyethers-5, Tween-65, polyethylene glycol glycerol ether are become finishing agent according to following proportions:
Table 3. embodiment
B) finishing agent of embodiment 1 is configured to the aqueous solution of 10%, and this is working solution 1；The finishing agent of embodiment 2 is configured to the aqueous solution of 10%, and this is working solution 2.
C) working solution 1 is organized according to the upper liquid rate of 4% surface of PP spunbonded nonwovens, dries 15 seconds at 120-130 DEG C, prepare finished product (1).
D) working solution 2 is organized according to the upper liquid rate of 5% surface of PP spunbonded nonwovens, dries 15 seconds at 120-130 DEG C, prepare finished product (2).
As reference, following table is listed after same PP spunbonded nonwovens is carried out 3 kinds of different disposal, the result testing the PP spunbonded nonwovens after processing.In this table, finished product (1), finished product (2) are respectively the above-mentioned PP spunbonded nonwovens that finishing agent of the present invention (embodiment 1, embodiment 2) processed；It is the above-mentioned PP spunbonded nonwovens that commercially available finishing agent arranged with reference to sample；Control sample is the above-mentioned PP spunbonded nonwovens that unused any finishing agent processed.
The performance comparison of table 4. finished product PP spunbonded nonwovens
Remarks: finished product (1), finished product (2), the basic weight of PP spunbonded nonwovens with reference to sample, control sample are 18 grams every square metre.
The repeatedly evaluation test method of hydrophilic effect:
1) take ERT FF3 standard filter paper 5, tested non-weaving cloth is positioned over (use faces up) on standard filter paper, put into together on Lister instrument test platform.
2) measuring the normal saline that 5ml concentration is 0.9% and inject Lister apparatus wall intracavity, trigger magnetic gate and start test, now timer starts timing, and when normal saline completely penetrates through non-weaving cloth, timer is automatically stopped, and writes down time of penetration T1.
3) after 60s, 2 are repeated) step, carry out second time penetration testing, write down time of penetration T2.
4), again after 60s, 3 are repeated) step, carry out third time penetration testing, write down time of penetration T3.
5), again after 60s, 4 are repeated) step, carry out the 4th sub-percolation test, write down time of penetration T4.
6), again after 60s, 5 are repeated) step, carry out the 5th sub-percolation test, write down time of penetration T5.
7) after 3min, take ERT FF3 standard filter paper 3 to weigh, it is placed on tested non-weaving cloth, add the briquetting of 4 kilograms of 10cm × 10cm, briquetting is removed after 2min, weighing weight W that 3 the ERT FF3 standard filter paper added on tested non-weaving cloth increase, W is the amount of bleeding back (also referred to as returning milliosmolarity).
Three hydrophilic being less than 2 seconds of the present invention refer to T1, T2, T3 and are respectively less than 2 seconds, and five times hydrophilic is less than 3 seconds and refers to T1, T2, T3, T4, T5 and be respectively less than 3 seconds.I.e. T1, T2, T3 is respectively less than 2 seconds, and T4, T5 are respectively less than 3 seconds.
Present invention process is simple, and the PP spunbonded nonwovens prepared has the most hydrophilic good permeance property and anti-returning oozes performance.
Above are only a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, all changes utilizing this design that the present invention carries out unsubstantiality, the behavior invading scope all should be belonged to.
Claims (5)
1. the PP spunbonded nonwovens arranged through surface hydrophilic, the surface of this PP spunbonded nonwovens is coated with the finishing agent of the weight percent content being equivalent to its basic weight 0.3%-0.5%, it is characterised in that the PP spunbonded nonwovens surface of every square metre is evenly distributed with:
A) the isomery 13 alcohol polyethers of 0.02g-0.10g；
B) Tween-65 of 0.006g-0.04g；
C) the polyethylene glycol glycerol ether of 0.01g-0.08g；
Wherein said finishing agent comprises: A) isomery 13 alcohol polyethers；B) Tween-65；And C) polyethylene glycol glycerol ether.
PP spunbonded nonwovens the most according to claim 1, it is characterised in that described finishing agent is a kind of compositions, it comprises:
A) the isomery 13 alcohol polyethers of 40%-60% weight portion；
B) Tween-65 of 10%-20% weight portion；
C) the polyethylene glycol glycerol ether of surplus.
3. according to the PP spunbonded nonwovens described in claim 1 or 3, it is characterised in that the quantity of polyethylene oxide (EO) polyether segment contained by described isomery 13 alcohol polyethers is 3-5.
4. according to the PP spunbonded nonwovens described in claim 1 or 3, it is characterised in that the molecular weight of the Polyethylene Glycol segment contained by described polyethylene glycol glycerol ether is 200-400.
5. the surface layer of disposable sanitary articles and/or an integument, its utilization is fabricated by according to the PP spunbonded nonwovens described in arbitrary the claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510997014.XA CN105714555A (en) | 2015-12-28 | 2015-12-28 | Polypropylene spunbonded nonwoven after going through surface hydrophilic treatment |
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| CN201510997014.XA CN105714555A (en) | 2015-12-28 | 2015-12-28 | Polypropylene spunbonded nonwoven after going through surface hydrophilic treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611852A (en) * | 2018-05-08 | 2018-10-02 | 浙江理工大学 | A kind of ES fibers are without the multiple hydrophilic finish of silicon |
| CN111749023A (en) * | 2019-03-28 | 2020-10-09 | 深圳市芭格美生物科技有限公司 | Lysozyme non-woven fabric and preparation method thereof |
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2015
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| CN104903509A (en) * | 2012-11-06 | 2015-09-09 | 希尔和塞拉彻有限公司 | Composition for permanently hydrophilizing polyolefin fibers and use thereof |
| WO2014207760A2 (en) * | 2013-06-27 | 2014-12-31 | Reliance Industries Limited | Hydrophilic polyester fibers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611852A (en) * | 2018-05-08 | 2018-10-02 | 浙江理工大学 | A kind of ES fibers are without the multiple hydrophilic finish of silicon |
| CN111749023A (en) * | 2019-03-28 | 2020-10-09 | 深圳市芭格美生物科技有限公司 | Lysozyme non-woven fabric and preparation method thereof |
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Application publication date: 20160629 |