CN106087428A - A kind of shear thickening fluid dipping method of modifying to protective material - Google Patents
A kind of shear thickening fluid dipping method of modifying to protective material Download PDFInfo
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- CN106087428A CN106087428A CN201610431244.4A CN201610431244A CN106087428A CN 106087428 A CN106087428 A CN 106087428A CN 201610431244 A CN201610431244 A CN 201610431244A CN 106087428 A CN106087428 A CN 106087428A
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- Prior art keywords
- suspension
- modifying
- protective material
- shear thickening
- dipping
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Classifications
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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
- 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
- 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
- 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
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
- D06M2101/36—Aromatic polyamides
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a kind of shear thickening fluid dipping method of modifying to protective material, comprise the following steps: by Polyethylene Glycol, ethanol mix homogeneously, be subsequently added SiO2Powder, prepare suspension, suspension is centrifuged, precipitate, after washing with alcohol, is dried to obtain powder, then by dried powder, it is configured to, for disperse medium, the suspension that volumetric concentration is 6 ~ 10% with Polyethylene Glycol, Kevlar cloth is put into and the suspension that step (3) configures impregnates and is aided with ultrasonic disperse, be then dried, obtain modified protective material.
Description
Technical field
The invention belongs to stab-resistance body armor stab-resistant material field, be specifically related to a kind of shear thickening fluid and impregnate protective material
Method of modifying.
Background technology
In recent years, along with the development of high performance fibre material, individual protection plate armour also makes significant progress, gradually by former
Come hard, semi-rigid product, develop into current flexible products.This transformation not only alleviates armoring quality, and improves
Its comfortableness.While it is true, the light comfortable and barrier propterty of protective material appoints the one group of contradiction being to be difficult to coordinate.
STF is under high speed impact, and apparent viscosity generation great variety, is even solid phase by liquid phase；Punching
Hit after removing, be changed into liquid phase from solid phase rapidly again.This shear thickening effect is a kind of non-Newtonian fluid behavior, and its change is
Reversible.This shear thickening effect can be used for shock resistance field, such as stab-resistant material or the system of other preventer
In Bei, the most this kind of material is likely to have broad application prospects in the field such as shockproof.
But how combine with protective material the difficult problem being to annoying people by STF always.
Summary of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of shear thickening fluid and impregnate protection
The method of modifying of material.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions.
A kind of shear thickening fluid dipping method of modifying to protective material, comprises the following steps:
(1) by Polyethylene Glycol, ethanol mix homogeneously, it is subsequently added SiO2Powder, prepares suspension；Described SiO2, poly-second two
Alcohol, the proportioning of ethanol are volume ratio 5～15:10～30:60～80.
(2) being centrifuged by suspension, precipitate, after washing with alcohol, is dried to obtain powder；
(3) by dried powder, it is configured to, for disperse medium, the suspension that volumetric concentration is 6～10% with Polyethylene Glycol
Liquid；
(4) Kevlar cloth is put into dipping 10min～5h in the suspension that step (3) configures, is then dried.
The most described SiO2Particle diameter be 40～50nm.
The mean molecule quantity of the most described Polyethylene Glycol is 780～840.
In the most described step (2), precipitate is after washing with alcohol, 70～90 DEG C of vacuum drying 6～10h.
In the most described step (4) before Kevlar cloth dipping, it is dilute that suspension step (3) configured adds ethanol
Releasing, the suspension that step (3) configures is 1:1～2 with the volume ratio of ethanol, and shakes with ultrasonic washing unit so that it is dispersion is all
Even, the frequency of ultrasound wave is 20～50KHz.
In the most described step (4), Kevlar cloth uses ultrasonic washing unit to shake in dipping process, auxiliary point
Dissipating, the frequency of ultrasound wave is 20～50KHz.
Kevlar cloth 70 after dipping～90 DEG C are vacuum dried 3～5 hours by the most described step (4).
Beneficial effect: compared with prior art, it is an advantage of the current invention that: be greatly improved the intensity of anti-perforation fabric, permissible
Make that pliability is the best, intensity but also high safety device.
Accompanying drawing explanation
Fig. 1 puncture test schematic diagram；
Wherein 1. sample, 2. neoprene sponge, 3. polyethylene, 4. rubber, 5. cutter.
Detailed description of the invention
Below in conjunction with example, the present invention is described in further detail.
Embodiment 1
A kind of shear thickening fluid dipping method of modifying to protective material, comprises the following steps:
(1) by Polyethylene Glycol, ethanol mix homogeneously, SiO it is dividedly in some parts subsequently2Powder, prepares suspension；Described SiO2, poly-second
Glycol, the proportioning of ethanol are volume ratio 10.5:19.5:70；SiO2Particle diameter be 40nm；The mean molecule quantity of Polyethylene Glycol is
780～840；
(2) by suspension centrifugation, precipitate is after washing with alcohol three times, and 80 DEG C of vacuum is vacuum dried 8h, obtains powder；
(3) by dried powder, it is the suspension of 8% with Polyethylene Glycol for disperse medium configuration volumetric concentration；(4) will
The suspension that step (3) configures adds ethanol dilution, and the suspension that step (3) configures is 1:1 with the volume ratio of ethanol, and with super
Sound wave cleaning machine shakes so that it is be uniformly dispersed, and then Kevlar cloth put into dipping 10min, during this period ultrasonic washing unit
It being carried out aid dispersion always, being dried 4 little at a temperature of 80 DEG C by fabric being put into after dipping vacuum drying oven
Time；The frequency of ultrasound wave used is 20～50KHz.
Embodiment 2
A kind of shear thickening fluid dipping method of modifying to protective material, comprises the following steps:
(1) by Polyethylene Glycol, ethanol mix homogeneously, SiO it is dividedly in some parts subsequently2Powder, prepares suspension；Described SiO2, poly-second
Glycol, the proportioning of ethanol are volume ratio 5:15:60；SiO2Particle diameter be 40nm；The mean molecule quantity of Polyethylene Glycol be 780～
840；
(2) by suspension centrifugation, precipitate is after washing with alcohol three times, and 70 DEG C of vacuum is vacuum dried 10h, obtains powder
End；
(3) by dried powder, it is the suspension of 8% with Polyethylene Glycol for disperse medium configuration volumetric concentration；
(4) suspension step (3) configured adds the volume of ethanol dilution, the suspension that step (3) configures and ethanol
Ratio is 1:1, and shakes with ultrasonic washing unit so that it is be uniformly dispersed, and then Kevlar cloth is put into dipping 1h, surpasses during this period
Sound wave cleaning machine carries out aid dispersion to it always, does fabric is put into after dipping vacuum drying oven in 70 DEG C of vacuum
Dry 5 hours；The frequency of ultrasound wave used is 20～50KHz.
Embodiment 3
A kind of shear thickening fluid dipping method of modifying to protective material, comprises the following steps:
(1) by Polyethylene Glycol, ethanol mix homogeneously, it is dividedly in some parts SiO2 powder subsequently, prepares suspension；Described SiO2, poly-
Ethylene glycol, the proportioning of ethanol are volume ratio 15:20:70；The particle diameter of SiO2 is 40nm；The mean molecule quantity of Polyethylene Glycol is 780
～840；
(2) by suspension centrifugation, precipitate is after washing with alcohol three times, and 90 DEG C of vacuum is vacuum dried 6h, obtains powder；
(3) by dried powder, it is the suspension of 8% with Polyethylene Glycol for disperse medium configuration volumetric concentration；
(4) suspension step (3) configured adds the volume of ethanol dilution, the suspension that step (3) configures and ethanol
Ratio is 1:1, and shakes with ultrasonic washing unit so that it is be uniformly dispersed, and then Kevlar cloth is put into dipping 4h, surpasses during this period
Sound wave cleaning machine carries out aid dispersion to it always, does fabric is put into after dipping vacuum drying oven in 90 DEG C of vacuum
Dry 3 hours；The frequency of ultrasound wave used is 20～50KHz.
Embodiment 4
A kind of shear thickening fluid dipping method of modifying to protective material, comprises the following steps:
(1) by Polyethylene Glycol, ethanol mix homogeneously, SiO it is dividedly in some parts subsequently2Powder, prepares suspension；Described SiO2, poly-second
Glycol, the proportioning of ethanol are volume ratio 10:30:80；SiO2Particle diameter be 40nm；The mean molecule quantity of Polyethylene Glycol be 780～
840；
(2) by suspension centrifugation, precipitate is after washing with alcohol three times, and 80 DEG C of vacuum is vacuum dried 8h, obtains powder；
(3) by dried powder, it is the suspension of 8% with Polyethylene Glycol for disperse medium configuration volumetric concentration；
(4) suspension step (3) configured adds the volume of ethanol dilution, the suspension that step (3) configures and ethanol
Ratio is 1:1, and shakes with ultrasonic washing unit so that it is be uniformly dispersed, and then Kevlar cloth is put into dipping 5h, surpasses during this period
Sound wave cleaning machine carries out aid dispersion to it always, does fabric is put into after dipping vacuum drying oven in 80 DEG C of vacuum
Dry 4 hours；The frequency of ultrasound wave used is 20～50KHz.
Embodiment 5
A kind of shear thickening fluid dipping method of modifying to protective material, comprises the following steps:
(1) by Polyethylene Glycol, ethanol mix homogeneously, SiO it is dividedly in some parts subsequently2Powder, prepares suspension；Described SiO2, poly-second
Glycol, the proportioning of ethanol are volume ratio 10:20:70；SiO2Particle diameter be 50nm；The mean molecule quantity of Polyethylene Glycol be 780～
840；
(2) by suspension centrifugation, precipitate is after washing with alcohol three times, and 80 DEG C of vacuum is vacuum dried 8h, obtains powder；
(3) by dried powder, it is the suspension of 6% with Polyethylene Glycol for disperse medium configuration volumetric concentration；
(4) suspension step (3) configured adds the volume of ethanol dilution, the suspension that step (3) configures and ethanol
Ratio is 1:2, and shakes with ultrasonic washing unit so that it is be uniformly dispersed, and then Kevlar cloth is put into dipping 4h, surpasses during this period
Sound wave cleaning machine carries out aid dispersion to it always, does fabric is put into after dipping vacuum drying oven in 80 DEG C of vacuum
Dry 4 hours；The frequency of ultrasound wave used is 20～50KHz.
Embodiment 6
A kind of shear thickening fluid dipping method of modifying to protective material, comprises the following steps:
(1) by Polyethylene Glycol, ethanol mix homogeneously, SiO it is dividedly in some parts subsequently2Powder, prepares suspension；Described SiO2, poly-second
Glycol, the proportioning of ethanol are volume ratio 10:20:70；SiO2Particle diameter be 50nm；The mean molecule quantity of Polyethylene Glycol be 780～
840；
(2) by suspension centrifugation, precipitate is after washing with alcohol three times, and 80 DEG C of vacuum is vacuum dried 8h, obtains powder；
(3) by dried powder, it is the suspension of 8% with Polyethylene Glycol for disperse medium configuration volumetric concentration；
(4) suspension step (3) configured adds the volume of ethanol dilution, the suspension that step (3) configures and ethanol
Ratio is 1:2, and shakes with ultrasonic washing unit so that it is be uniformly dispersed, and then Kevlar cloth is put into dipping 4h, surpasses during this period
Sound wave cleaning machine carries out aid dispersion to it always, does fabric is put into after dipping vacuum drying oven in 80 DEG C of vacuum
Dry 4 hours；The frequency of ultrasound wave used is 20～50KHz.
Embodiment 7
A kind of shear thickening fluid dipping method of modifying to protective material, comprises the following steps:
(1) by Polyethylene Glycol, ethanol mix homogeneously, SiO it is dividedly in some parts subsequently2Powder, prepares suspension；Described SiO2, poly-second
Glycol, the proportioning of ethanol are volume ratio 10:20:70；SiO2Particle diameter be 50nm；The mean molecule quantity of Polyethylene Glycol be 780～
840；
(2) by suspension centrifugation, precipitate is after washing with alcohol three times, and 80 DEG C of vacuum is vacuum dried 8h, obtains powder；
(3) by dried powder, it is the suspension of 10% with Polyethylene Glycol for disperse medium configuration volumetric concentration；
(4) suspension step (3) configured adds the volume of ethanol dilution, the suspension that step (3) configures and ethanol
Ratio is 1:1, and shakes with ultrasonic washing unit so that it is be uniformly dispersed, and then Kevlar cloth is put into dipping 4h, surpasses during this period
Sound wave cleaning machine carries out aid dispersion to it always, does fabric is put into after dipping vacuum drying oven in 80 DEG C of vacuum
Dry 4 hours；The frequency of ultrasound wave used is 20～50KHz.
The anti-stab testing machine for testing performance of drop hammer type is used to test anti-stab performance, as it is shown in figure 1, sample is in the superiors, liner
Material is followed successively by 5 layers of neoprene sponge, 1 layers of polyethylene foam, 2 layers of rubber, and cutter height of drop is 0.3m, gained detection number
According to see table:
The kevlar cloth of different process dipping punctures situation contrast
The present invention is illustrated according to above-described embodiment, it will be appreciated that above-described embodiment limits this most in any form
Invention, the technical scheme that all employing equivalents or equivalent transformation mode are obtained, within all falling within protection scope of the present invention.
Claims (7)
1. a shear thickening fluid impregnates the method for modifying to protective material, it is characterised in that comprise the following steps:
(1) by Polyethylene Glycol, ethanol mix homogeneously, it is subsequently added SiO2Powder, prepares suspension；Described SiO2, Polyethylene Glycol, second
The proportioning of alcohol is volume ratio 5 ~ 15:10 ~ 30:60 ~ 80；
(2) being centrifuged by suspension, precipitate, after washing with alcohol, is dried to obtain powder；
(3) by dried powder, it is configured to, for disperse medium, the suspension that volumetric concentration is 6 ~ 10% with Polyethylene Glycol；
(4) Kevlar cloth is put into dipping 10min ~ 5h in the suspension that step (3) configures, is then dried.
A kind of shear thickening fluid the most according to claim 1 dipping method of modifying to protective material, it is characterised in that
Described SiO2Particle diameter be 40 ~ 50nm.
A kind of shear thickening fluid the most according to claim 1 dipping method of modifying to protective material, it is characterised in that
The mean molecule quantity of described Polyethylene Glycol is 780-840.
A kind of shear thickening fluid the most according to claim 1 dipping method of modifying to protective material, it is characterised in that
In described step (2), precipitate is after washing with alcohol, 70 ~ 90 DEG C of vacuum drying 6 ~ 10h.
A kind of shear thickening fluid the most according to claim 1 dipping method of modifying to protective material, it is characterised in that
In described step (4) before Kevlar cloth dipping, suspension step (3) configured adds ethanol dilution, and it is outstanding that step (3) configures
Supernatant liquid is 1:1 ~ 2 with the volume ratio of ethanol, and shakes with ultrasonic washing unit so that it is be uniformly dispersed.
A kind of shear thickening fluid the most according to claim 1 dipping method of modifying to protective material, it is characterised in that
In described step (4), Kevlar cloth uses ultrasonic washing unit to shake in dipping process, aid dispersion.
A kind of shear thickening fluid the most according to claim 1 dipping method of modifying to protective material, it is characterised in that
Kevlar cloth 70 ~ 90 DEG C after dipping is vacuum dried 3 ~ 5 hours by described step (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431244.4A CN106087428A (en) | 2016-06-15 | 2016-06-15 | A kind of shear thickening fluid dipping method of modifying to protective material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610431244.4A CN106087428A (en) | 2016-06-15 | 2016-06-15 | A kind of shear thickening fluid dipping method of modifying to protective material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236392A (en) * | 2018-07-26 | 2019-01-18 | 南京航空航天大学 | Containing casing, manufacturing device and method based on STF-Kevlar fabric |
| CN113481715A (en) * | 2021-04-07 | 2021-10-08 | 北京理工大学 | Impregnation liquid for improving protective performance of fiber fabric and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191680A (en) * | 2011-03-15 | 2011-09-21 | 深圳航天科技创新研究院 | Preparation method of shearing thickened fluid based on SiO2 nano-scale microspheres |
| CN104327795A (en) * | 2014-01-08 | 2015-02-04 | 中物功能材料研究院有限公司 | Preparation method of shear thickening liquid |
-
2016
- 2016-06-15 CN CN201610431244.4A patent/CN106087428A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191680A (en) * | 2011-03-15 | 2011-09-21 | 深圳航天科技创新研究院 | Preparation method of shearing thickened fluid based on SiO2 nano-scale microspheres |
| CN104327795A (en) * | 2014-01-08 | 2015-02-04 | 中物功能材料研究院有限公司 | Preparation method of shear thickening liquid |
Non-Patent Citations (1)
| Title |
|---|
| 刘君等: "剪切增稠流体浸渍Kevlar复合材料的防刺性能", 《南京理工大学学报（自然科学版）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236392A (en) * | 2018-07-26 | 2019-01-18 | 南京航空航天大学 | Containing casing, manufacturing device and method based on STF-Kevlar fabric |
| CN113481715A (en) * | 2021-04-07 | 2021-10-08 | 北京理工大学 | Impregnation liquid for improving protective performance of fiber fabric and application thereof |
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