CN109853253A - A kind of TPU flies to knit vamp - Google Patents
A kind of TPU flies to knit vamp Download PDFInfo
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- CN109853253A CN109853253A CN201910122232.7A CN201910122232A CN109853253A CN 109853253 A CN109853253 A CN 109853253A CN 201910122232 A CN201910122232 A CN 201910122232A CN 109853253 A CN109853253 A CN 109853253A
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- flies
- vamp
- tpu
- polyurethane
- knit vamp
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Abstract
The present invention relates to fly to knit vamp technical field, and in particular to a kind of TPU flies to knit vamp, is woven into semi-finished product using TPU yarn and flies to knit vamp, then carries out the impregnation of antibacterial agent, and fly to knit vamp to get to the TPU to the surface coating polyurethane coating of vamp.TPU yarn has the characteristics that high-elastic smooth, vamp made of being woven using TPU, which is had, exempts from whole boiling hot basic condition, antibiotic property is then made it have by the impregnation of antibacterial agent, coating polyurethane coating makes it have moisture-permeability, and vamp obtained has the great market advantage.
Description
Technical field
The present invention relates to fly to knit vamp technical field, and in particular to a kind of TPU flies to knit vamp.
Background technique
The historical development of shoes is long, and it is the composition portion of apparel industry that footwear production, which is the important industry in China's light industry,
Point.According to vamp material difference, article of footwear can be divided into: leather shoes class, cloth footwear, rubber overshoes class, plastic shoes etc..According to wear object,
Manufacture craft and purposes etc., there are also many classification methods for shoes.Wherein, sport footwear refers to that people are worn when performing physical exercises
Shoes, generalized concept is specifically: appropriate exercise, body building, outdoor activity, amusement and Professional competition movement training
Shoes kind used in process and its regulation game campaign.
There are many vamp materials and structure type, occurs within 2012 flying to knit vamp and its article of footwear in the market, since then, flies
Technology is knitted as the another vamp material technological innovation after cloth, skin, leather.It fly to knit vamp to be knitted with the braiding of textile industry
Technology is knitted into the vamp of type, the feature of this vamp maximum by a variety of special yarns by the prior Programming of computer, integrally
It is the main vamp of current sports play shoes including portability, fitting sense and gas permeability.But fly to knit technology it is popular this is several
Year, the vamp of full slice system exempt from it is whole scald, moisture-inhibiting, waterproof, in terms of break through and little.
Summary of the invention
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide one kind to exempt from whole scald, thoroughly
Wet, waterproof, antibacterial TPU fly to knit vamp.
The purpose of the invention is achieved by the following technical solution:
A kind of TPU flies to knit vamp, is woven into semi-finished product using TPU yarn and flies to knit vamp, at the dipping for then carrying out antibacterial agent
Reason, and the surface coating polyurethane coating of vamp is flown to knit vamp to get to the TPU.
Wherein, the polyurethane coating is coated by polyurethane coating, and the polyurethane coating includes following parts by weight
Several raw materials:
Wherein, the polyurethane nanofiber is made by the following method:
A, '-diphenylmethane diisocyanate, the 20-30 parts by weight polytetrahydrofuran ether glycol, 20-30 of 50-60 parts by weight are taken
Parts by weight castor oil and 100 parts by weight n,N-dimethylacetamide are mixed, and are warming up to 50-70 DEG C of reaction 2-3h, are gathered
Urethane prepolymer solution；
B, into the polyurethane prepolymer solution be added 4-8 parts by weight chain extender, 35-45 DEG C at a temperature of react
1-2h obtains spinning solution；
C, the spinning solution is subjected to electrostatic spinning to get the polyurethane nanofiber is arrived.
Polyurethane coating of the invention captures what human body distributed using the hydrophilic radical in polyurethane in the form of hydrogen bond
Vapor then utilizes the promotion of inside and outside vapour pressure deficit, realizes the transport of vapor, because achieving the effect that moisture-inhibiting, and poly- ammonia
The addition of ester nanofiber improves the quantity of water vapor channel, thus has moisture-inhibiting more superior than general polyurethane coating
Property；Nano silica is added in coating, the intensity of coating can be properly increased；And be added in coating by castor oil,
Polyalcohol and the obtained polyurethane spinning effect of isocyanates are good, and nanofiber, which is made, has preferable toughness, and gathers with aqueous
Urethane has preferable compatibility, can significantly improve the flexibility of coating.
Wherein, the diameter of the polyurethane nanofiber is 77.3-92.6nm, and length is 8.4-12.5 μm.System of the present invention
The polyurethane nanofiber draw ratio of a size suitable obtained has preferable suspension stability in polyurethane coating, can
To be obviously improved the flexibility of coating
Electrospinning parameters are voltage 10-20kV, receive distance 6-8cm, and spinning rate is 2-3ml/h, spinneret orifice internal diameter
For 0.7-0.8mm, 20-30 DEG C of spinning temperature, the conventional polyurethanes of castor oil are not added relatively by spinning humidity 40-50%, are made
Polyurethane nanofiber size it is more uniform, in coating also have preferably dispersibility.
Wherein, the hydroxyl value of the castor oil is 160-180mg/KOH, and the hydroxyl value of the polytetrahydrofuran ether glycol is 42-
50mg/KOH.The hydroxyl value of castor oil of the present invention is higher, and reactivity is stronger, thus by the way that the lower polytetrahydrofuran of hydroxyl value is added
It ether glycol and is handled by chain extender, keeps polyurethane nanofiber obtained more compliant, be effectively improved the mechanicalness of coating
Energy.
Wherein, the chain extender is by ethylene glycol and/or 1,4-butanediol.Chain extender can improve polyurethane nanofiber
Molecular structure makes it easier to spinning and has preferable toughness, it is preferable that the chain extender is by ethylene glycol and 1,4-butanediol
By weight the ratio composition of 1:1-3, toughening effect is more significant.
Wherein, the partial size of the nano silica is 40-60nm.The nano silica of the diameter can effectively improve
The intensity of coating, and in the preparation process of coating, nano silica and polyurethane nanofiber can be surpassed in advance
Sound dispersion, nano silica can be embedded in the gap of nanofiber, to solve the dispersion problem of nano silica.
Wherein, the coalescing agent is Lauryl Alcohol ester and/or Dipropylene glycol mono-n-butyl Ether.Coalescing agent can promote macromolecule
Compound Plastic Flow and flexible deformation help to form a film.Preferably, the coalescing agent is by Lauryl Alcohol ester and dipropylene glycol list
Butyl ether by weight 1-2:1 ratio form, coating obtained can be formed a large amount of vapor can by but water droplet cannot lead to
The micropore crossed, thus there is excellent hygroscopicity and waterproofness.
Wherein, the thickener is hydroxyethyl cellulose and/or polyvinyl alcohol.Thickener can promote the steady of emulsion system
Determine agent, it is preferable that the thickener is made of hydroxyethyl cellulose and polyvinyl alcohol by weight the ratio of 1-2:1, at film quality
Amount is high, good mechanical property.
Wherein, the levelling agent is acrylate leveling agent, and the defoaming agent is BYK028 defoaming agent.
Wherein, the polyurethane coating the preparation method comprises the following steps: taking nano silica, polyurethane nanofiber and part water
Ultrasonic disperse is carried out, is then carried out with aqueous polyurethane emulsion, coalescing agent, thickener, levelling agent, defoaming agent and remaining water
It is stirred to get the polyurethane coating is arrived.
Wherein, the waterproof and breathable coating the preparation method comprises the following steps: by the polyurethane coating with wet film maker come rollback
It is coated in and flies to knit on the surface of vamp, then carry out heat cure to obtain the final product.
The beneficial effects of the present invention are: TPU yarn has the characteristics that high-elastic smooth, the tool of vamp made of weaving using TPU
It is standby to exempt from whole boiling hot basic condition, antibiotic property is then made it have by the impregnation of antibacterial agent, coating polyurethane coating makes it
With moisture-permeability, vamp obtained has the great market advantage.
Specific embodiment
For the ease of the understanding of those skilled in the art, below with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
A kind of TPU flies to knit vamp, is woven into semi-finished product using TPU yarn and flies to knit vamp, at the dipping for then carrying out antibacterial agent
Reason, and the surface coating polyurethane coating of vamp is flown to knit vamp to get to the TPU.
Wherein, the polyurethane coating is coated by polyurethane coating, and the polyurethane coating includes following parts by weight
Several raw materials:
Wherein, the polyurethane nanofiber is made by the following method:
A, '-diphenylmethane diisocyanate, 25 parts by weight polytetrahydrofuran ether glycol, the 25 parts by weight castors of 55 parts by weight are taken
Sesame oil and 100 parts by weight n,N-dimethylacetamide are mixed, and are warming up to 60 DEG C of reaction 2.5h, it is molten to obtain base polyurethane prepolymer for use as
Liquid；
B, the chain extender of 6 parts by weight is added into the polyurethane prepolymer solution, 40 DEG C at a temperature of react 1.5h,
Obtain spinning solution；
C, the spinning solution is subjected to electrostatic spinning to get the polyurethane nanofiber is arrived.
Electrospinning parameters are voltage 15kV, receive distance 7cm, and spinning rate is 2.5ml/h, and spinneret orifice internal diameter is
0.75mm, 25 DEG C of spinning temperature, spinning humidity 45%.
Wherein, the hydroxyl value of the castor oil is 170mg/KOH, and the hydroxyl value of the polytetrahydrofuran ether glycol is 46mg/
KOH。
Wherein, the chain extender is made of ethylene glycol and 1,4-butanediol by weight the ratio of 1:2.
Wherein, the partial size of the nano silica is 50nm.
Wherein, the coalescing agent is made of Lauryl Alcohol ester and Dipropylene glycol mono-n-butyl Ether by weight the ratio of 1.5:1.
Wherein, the thickener is made of hydroxyethyl cellulose and polyvinyl alcohol by weight the ratio of 1.5:1.
Wherein, the levelling agent is acrylate leveling agent, and the defoaming agent is BYK028 defoaming agent.
Wherein, the waterproof and breathable coating the preparation method comprises the following steps: by the polyurethane coating with wet film maker come rollback
It is coated in and flies to knit on the surface of vamp, then carry out heat cure to obtain the final product.
Embodiment 2
A kind of TPU flies to knit vamp, is woven into semi-finished product using TPU yarn and flies to knit vamp, at the dipping for then carrying out antibacterial agent
Reason, and the surface coating polyurethane coating of vamp is flown to knit vamp to get to the TPU.
Wherein, the polyurethane coating is coated by polyurethane coating, and the polyurethane coating includes following parts by weight
Several raw materials:
Wherein, the polyurethane nanofiber is made by the following method:
A, '-diphenylmethane diisocyanate, 20 parts by weight polytetrahydrofuran ether glycol, the 20 parts by weight castors of 50 parts by weight are taken
Sesame oil and 100 parts by weight n,N-dimethylacetamide are mixed, and are warming up to 50 DEG C of reaction 2h, it is molten to obtain base polyurethane prepolymer for use as
Liquid；
B, the chain extender of 4 parts by weight is added into the polyurethane prepolymer solution, 35 DEG C at a temperature of react 1h, obtain
To spinning solution；
C, the spinning solution is subjected to electrostatic spinning to get the polyurethane nanofiber is arrived.
Electrospinning parameters are voltage 10kV, receive distance 6cm, and spinning rate is 2ml/h, and spinneret orifice internal diameter is 0.7mm,
20 DEG C of spinning temperature, spinning humidity 40%.
Wherein, the hydroxyl value of the castor oil is 160mg/KOH, and the hydroxyl value of the polytetrahydrofuran ether glycol is 42mg/
KOH。
Wherein, the chain extender is made of ethylene glycol and 1,4-butanediol by weight the ratio of 1:1.
Wherein, the partial size of the nano silica is 40nm.
Wherein, the coalescing agent is made of Lauryl Alcohol ester and Dipropylene glycol mono-n-butyl Ether by weight the ratio of 1:1.
Wherein, the thickener is made of hydroxyethyl cellulose and polyvinyl alcohol by weight the ratio of 1:1.
Wherein, the levelling agent is acrylate leveling agent, and the defoaming agent is BYK028 defoaming agent.
Wherein, the waterproof and breathable coating the preparation method comprises the following steps: by the polyurethane coating with wet film maker come rollback
It is coated in and flies to knit on the surface of vamp, then carry out heat cure to obtain the final product.
Embodiment 3
A kind of TPU flies to knit vamp, is woven into semi-finished product using TPU yarn and flies to knit vamp, at the dipping for then carrying out antibacterial agent
Reason, and the surface coating polyurethane coating of vamp is flown to knit vamp to get to the TPU.
Wherein, the polyurethane coating is coated by polyurethane coating, and the polyurethane coating includes following parts by weight
Several raw materials:
Wherein, the polyurethane nanofiber is made by the following method:
A, '-diphenylmethane diisocyanate, 30 parts by weight polytetrahydrofuran ether glycol, the 30 parts by weight castors of 60 parts by weight are taken
Sesame oil and 100 parts by weight n,N-dimethylacetamide are mixed, and are warming up to 70 DEG C of reaction 3h, it is molten to obtain base polyurethane prepolymer for use as
Liquid；
B, the chain extender of 8 parts by weight is added into the polyurethane prepolymer solution, 45 DEG C at a temperature of react 2h, obtain
To spinning solution；
C, the spinning solution is subjected to electrostatic spinning to get the polyurethane nanofiber is arrived.
Electrospinning parameters are voltage 20kV, receive distance 8cm, and spinning rate is 3ml/h, and spinneret orifice internal diameter is 0.8mm,
30 DEG C of spinning temperature, spinning humidity 50%.
Wherein, the hydroxyl value of the castor oil is 180mg/KOH, and the hydroxyl value of the polytetrahydrofuran ether glycol is 50mg/
KOH。
Wherein, the chain extender is made of ethylene glycol and 1,4-butanediol by weight the ratio of 1:3.
Wherein, the partial size of the nano silica is 60nm.
Wherein, the coalescing agent is made of Lauryl Alcohol ester and Dipropylene glycol mono-n-butyl Ether by weight the ratio of 2:1.
Wherein, the thickener is made of hydroxyethyl cellulose and polyvinyl alcohol by weight the ratio of 2:1.
Wherein, the levelling agent is acrylate leveling agent, and the defoaming agent is BYK028 defoaming agent.
Wherein, the waterproof and breathable coating the preparation method comprises the following steps: by the polyurethane coating with wet film maker come rollback
It is coated in and flies to knit on the surface of vamp, then carry out heat cure to obtain the final product.
Embodiment 4
The present embodiment the difference from embodiment 1 is that, the chain extender be ethylene glycol.
Embodiment 5
The present embodiment the difference from embodiment 1 is that, the coalescing agent be alcohol ester 12.
Comparative example 1
This comparative example the difference from embodiment 1 is that, polyurethane nanofiber is not added in polyurethane coating.
The coating of embodiment 1-5 and comparative example 1 are coated on commercially available conventional spandex fabric, according to GB/
T12704.1-2009, GB/T4744-2003, GB/T3923.1-2013 carry out the survey of penetrability, hydrostatic pressing and ultimate strength
Examination, be arranged the wide 5cm of test specimens, folder away from be 100mm, tensile speed 100mm/min, test 5 times, be averaged test result such as
Under:
From the comparison of embodiment 1 and comparative example 1 it is found that polyurethane nanofiber of the invention is in addition to can be enhanced fabric
Outside obdurability, the penetrability and waterproofness of fabric can also be effectively improved, from the comparison of embodiment 1 and embodiment 4, embodiment 5
It is found that film performance can be effectively improved by selecting the chain extender properly compounded and coalescing agent.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart under the premise of present inventive concept it is any obviously replace it is within the scope of the present invention.
Claims (10)
1. a kind of TPU flies to knit vamp, it is characterised in that: be woven into semi-finished product using TPU yarn and fly to knit vamp, then carry out antibacterial agent
Impregnation, and the surface of vamp coating polyurethane coating is flown to knit vamp to get to the TPU.
2. a kind of TPU according to claim 1 flies to knit vamp, it is characterised in that: the polyurethane coating is applied by polyurethane
Material coats, and the polyurethane coating includes the raw material of following parts by weight:
Wherein, the polyurethane nanofiber is made by the following method:
A, '-diphenylmethane diisocyanate, the 20-30 parts by weight polytetrahydrofuran ether glycol, 20-30 weight of 50-60 parts by weight are taken
Part castor oil and 100 parts by weight n,N-dimethylacetamide are mixed, and are warming up to 50-70 DEG C of reaction 2-3h, are obtained polyurethane
Prepolymer solution；
B, into the polyurethane prepolymer solution be added 4-8 parts by weight chain extender, 35-45 DEG C at a temperature of react 1-
2h obtains spinning solution；
C, the spinning solution is subjected to electrostatic spinning to get the polyurethane nanofiber is arrived.
3. a kind of TPU according to claim 2 flies to knit vamp, it is characterised in that: the diameter of the polyurethane nanofiber
For 77.3-92.6nm, length is 8.4-12.5 μm.
4. a kind of TPU according to claim 2 flies to knit vamp, it is characterised in that: the hydroxyl value of the castor oil is 160-
180mg/KOH, the hydroxyl value of the polytetrahydrofuran ether glycol are 42-50mg/KOH.
5. a kind of TPU according to claim 2 flies to knit vamp, it is characterised in that: the chain extender by ethylene glycol and/or 1,
4- butanediol.
6. a kind of TPU according to claim 2 flies to knit vamp, it is characterised in that: the partial size of the nano silica is
40-60nm。
7. a kind of TPU according to claim 2 flies to knit vamp, it is characterised in that: the coalescing agent is Lauryl Alcohol ester
And/or Dipropylene glycol mono-n-butyl Ether.
8. a kind of TPU according to claim 2 flies to knit vamp, it is characterised in that: the thickener is hydroxyethyl cellulose
And/or polyvinyl alcohol.
9. a kind of TPU according to claim 2 flies to knit vamp, it is characterised in that: the levelling agent is acrylate levelling
Agent, the defoaming agent are BYK028 defoaming agent.
10. a kind of TPU according to claim 2 flies to knit vamp, it is characterised in that: the preparation side of the waterproof and breathable coating
Method are as follows: back and forth then roller coating carries out heat cure on the surface for flying to knit vamp by the polyurethane coating wet film maker to obtain the final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910122232.7A CN109853253B (en) | 2019-02-19 | 2019-02-19 | TPU flies to knit vamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910122232.7A CN109853253B (en) | 2019-02-19 | 2019-02-19 | TPU flies to knit vamp |
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| CN109853253A true CN109853253A (en) | 2019-06-07 |
| CN109853253B CN109853253B (en) | 2021-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112680975A (en) * | 2020-12-11 | 2021-04-20 | 嘉兴市科富喷绘材料有限公司 | Composite antibacterial deodorizing material for shoes and preparation method thereof |
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| CN109853253B (en) | 2021-03-16 |
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Effective date of registration: 20210831 Address after: 057650 Geshigao Company on the south side of Kunshan Road in the south of Guangping Economic Development Zone, Guangping County, Handan City, Hebei Province Patentee after: Guangping Xiduo Feizhi Technology Co.,Ltd. Address before: No.2, Nanbei shazoumatang, Gaopo village, Gaopo Town, Dongguan City, Guangdong Province, 523000 Patentee before: DONGGUAN XIBAO SPORTS PRODUCT TECHNOLOGY Co.,Ltd. |
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