CN108003392A - A kind of protective materials based on non-newtonian fluid, device and application - Google Patents
A kind of protective materials based on non-newtonian fluid, device and application Download PDFInfo
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- CN108003392A CN108003392A CN201711136602.XA CN201711136602A CN108003392A CN 108003392 A CN108003392 A CN 108003392A CN 201711136602 A CN201711136602 A CN 201711136602A CN 108003392 A CN108003392 A CN 108003392A
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- protective
- newtonian fluid
- protective materials
- fluid
- dilatant
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- 239000000463 material Substances 0.000 title claims abstract description 87
- 230000001681 protective effect Effects 0.000 title claims abstract description 67
- 239000012530 fluid Substances 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 14
- 229920002472 Starch Polymers 0.000 claims description 9
- 239000008107 starch Substances 0.000 claims description 9
- 235000019698 starch Nutrition 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 229920002261 Corn starch Polymers 0.000 claims description 5
- 239000008120 corn starch Substances 0.000 claims description 5
- 229940099112 cornstarch Drugs 0.000 claims description 5
- 239000000049 pigment Substances 0.000 claims description 5
- 230000001012 protector Effects 0.000 claims description 5
- 244000017020 Ipomoea batatas Species 0.000 claims description 4
- 235000002678 Ipomoea batatas Nutrition 0.000 claims description 4
- 240000003183 Manihot esculenta Species 0.000 claims description 4
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims description 4
- 210000000707 wrist Anatomy 0.000 claims description 4
- 229920000945 Amylopectin Polymers 0.000 claims description 2
- 229920001592 potato starch Polymers 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002245 particle Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000002775 capsule Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 3
- 244000061456 Solanum tuberosum Species 0.000 description 2
- 235000002595 Solanum tuberosum Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000037380 skin damage Effects 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229940100486 rice starch Drugs 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- -1 wherein Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/05—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/0512—Neck or shoulders area
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/0543—Legs
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/06—Knee or foot
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/08—Arm or hand
- A41D13/081—Hand protectors
- A41D13/088—Hand protectors especially for the wrist
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2303/12—Amylose; Amylopectin; Degradation products thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/12—Amylose; Amylopectin; Degradation products thereof
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Otolaryngology (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The present invention discloses a kind of protective materials based on non-newtonian fluid, device and application, and the protective materials is dilatant fluid material, and the dilatant fluid material is using internal viscosity with the rheological behavior material for being increased by rate of shear rate and being strengthened.The protective materials of the present invention can improve the safeguard function of product in daily life, effectively play protective action when impact or collision occurs, its protection effect is good, highly practical.
Description
Technical field
The present invention relates to article pack protection technology field, more particularly to a kind of protective materials based on non-newtonian fluid,
Device and application.
Background technology
At present, most of known jacket, trousers, footwear, wrist guard, elbow support, knee-pad, legging, shoulder protector are that do not have shatter-resistant erosion control
Hit function.And the product for having shatter-resistant Anti-knocking function is usually to be protected using plastic plate, steel plate or speciality hard material,
So cause handicapped.Especially for present child, adult and old man, each stage crowd is required for carrying out safe anti-
Shield.For example, child is in the growth study stage, inevitably reel in developmental process, collision causes skin damage after falling down
Or muscles and bones is injured；Each adult is required for carrying out work supporting the family, some no security risks that work, some work are crisis-ridden,
Some have the work of security risk to especially construction worker, Manufacturing Worker, coal miner etc., during work, inevitable meeting
It is injured because of work；Old man is slow in action, easily falls down, once it is hardly imaginable to fall down consequence, not only skin damage, it is possible to hinder
Its muscles and bones, causes a series of inconvenience.Again for example, in current cybertimes, many people like net purchase commodity, net purchase business
Product be by various express transportations into shopping human hand, and can inevitably collide, throw out without care during express transportation, stacking parcel, bag
If special reinforcing is not done in vanning, many net purchase commodity damages, cause the unnecessary loss of businessman.
Therefore, the prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of protection material based on non-newtonian fluid
Material and device, it is intended to solve the problems, such as that protective materials protection effect of the prior art is bad.
Technical scheme is as follows：
A kind of protective materials based on non-newtonian fluid, wherein, the protective materials is dilatant fluid material, described swollen
Dilatant flow material is using internal viscosity with the rheological behavior material for being increased by rate of shear rate and being strengthened.
The protective materials based on non-newtonian fluid, wherein, the material of main part of the dilatant fluid material is jade
One or more in rice starch, tapioca, starch from sweet potato or potato starch.
The protective materials based on non-newtonian fluid, wherein, the dilatant fluid material is material of main part and water
It is mixed to get.
The protective materials based on non-newtonian fluid, wherein, count in mass ratio, the mixing of the material of main part and water
Ratio is 1.5~2:1.
The protective materials based on non-newtonian fluid, wherein, pigment is also added with the dilatant fluid material.
The protective materials based on non-newtonian fluid, wherein, by mass percentage, side chain in the material of main part
Content of starch is 50~100%.
A kind of protective device based on non-newtonian fluid, wherein, the protective device is prevented using as above any one of them
Protective material is filled.
The protective device based on non-newtonian fluid, wherein, the protective device includes inner packing and is wrapped in interior
Outer packing outside packaging, the inner packing is interior to be filled with protective materials.
A kind of application of the protective device based on non-newtonian fluid, wherein, by protective device as described above be used for jacket,
Trousers, wrist guard, elbow support, knee-pad, legging, shoulder protector, ballistic protective clothing, explosion-proof clothing, shellproof helmet, mobile phone packaging or cushioning product.
Beneficial effect：The protective materials of the present invention can improve the safeguard function of product in daily life, occur impact or
Protective action is effectively played during collision, its protection effect is good, highly practical.
Brief description of the drawings
Fig. 1 in a kind of protective materials based on non-newtonian fluid of the present invention, shear stress with starch and water ratio change
Change schematic diagram.
Fig. 2 is in a kind of protective materials based on non-newtonian fluid of the present invention, shear stress shows with the change of impact velocity
It is intended to.
Fig. 3 is a kind of structure diagram of the protective device preferred embodiment based on non-newtonian fluid of the present invention.
Fig. 4 is A-A position profile figures in Fig. 3.
Embodiment
The present invention provides a kind of protective materials and device based on non-newtonian fluid, to make the purpose of the present invention, technical side
Case and effect are clearer, clear and definite, and the present invention is described in more detail below.It is it should be appreciated that described herein specific real
Example is applied only to explain the present invention, is not intended to limit the present invention.
A kind of protective materials based on non-newtonian fluid provided by the present invention, the protective materials are dilatant fluid material
Material, the dilatant fluid material is using internal viscosity with the rheological behavior material for being increased by rate of shear rate and being strengthened.
The protective materials of the present invention have by rate of shear rate it is big when stickiness it is big, it is by the small characteristic of rate of shear rate hour stickiness, i.e., interior
Portion's viscosity strengthens with being increased by rate of shear rate, when protected object (people or thing) is subject to quick washing, dilatant fluid material
It is subject to the great impact load of rate of shear rate, dilatant fluid material internal viscosity is extremely strong at this time, causes dilatant fluid material sheet
Body becomes firm, hardening, so that protected object is protected.
Preferably, the material of main part of the dilatant fluid material is cornstarch, tapioca, starch from sweet potato or potato
One or more in starch.
Tests prove that dilatant fluid material selection cornstarch, tapioca, starch from sweet potato or potato of the invention
Starch, can form the fluid with shear thickening phenomenon, its colloidal particle is typically in dense pack state, be liquid/paste,
Interparticle gap is smaller when static, and liquid is filled in particle gap, smaller by rate of shear rate as shear flow carries out, slowly
During flowing, the gap between smaller particless is kept, slip and mobilization in liquid, viscous drag is smaller, in Newton type fluid,
It can change with shape of product.
When shearing rate increases, particle becomes loose arrangement architecture under strong shear action, in dense arrangement
Particle will be disturbed, and become mushy loose array structure, and liquid cannot fill up the gap between particle, particle and particle
Between do not have liquid slip act on, viscous drag will increase suddenly, or even lose the property of flowing, and viscous resistance is larger,
In non-Newtonian fluid.
Preferably, the dilatant fluid material is mixed to get for material of main part with water.That is, foregoing liquid is
For water, using water as solvent, the stickiness Variation Features of dilatant fluid material can be given full play to, improve its protection effect.
In addition to water, other common solvents can also be selected, but preferred embodiments of the present invention are as solvent using water.
Preferably, count in mass ratio, the mixed proportion of the material of main part and water is 1.5~2:1.As shown in Figure 1 (in figure
Starch is material of main part), the proportioning of dilatant fluid material of the present invention is according to following proportioning：Material of main part：Water=1.5~2:
1 is optimal, such as material of main part be cornstarch, and the mixed proportion of cornstarch and water is 1.6:1, according to aforementioned proportion and water
There is optimal shear thickening phenomenon after allotment,, can be with product in Newton type fluid slowly during flowing smaller by rate of shear rate
Shape and change.
Preferably, also it is added with pigment in the dilatant fluid material.The a small amount of pigment of addition can be increased as needed
Mix colours, it is preferred that to count in mass ratio, the additive amount of pigment can be the 0.1%~3% of the total amount of material of main part and water,
Such as 1%.
Preferably, by mass percentage, amylopectin content is 50~100% in the material of main part, in the ratio
Under, the viscosity of material of main part can strengthen with being increased by rate of shear rate, and enhancing effect is more preferably.
As shown in Fig. 2, the dilatant fluid material of the present invention, the experiment proved that as impact velocity v<During 10cm/s, cut
Speed is smaller, and slip and mobilization in water, viscous drag is smaller, in Newton type fluid, non-newtonian fluid filler 3 at this time
Internal viscosity is weaker so that non-newtonian fluid filler 3 shows mobility, and smaller shear stress is 5%~15%, can be with matter
Shape of product changes and changes.It the experiment proved that and work as impact velocity v>During 10mm/s, when shear rate increases, non-newtonian flow at this time
3 internal viscosity of body filler is stronger, and viscous drag just increases suddenly, or even loses the property of flowing, and viscous resistance is larger, in non-
Newton type fluid, non-newtonian fluid filler shear stress at this time is larger, can reach 90%~100%.Its is simple in structure, if
Count it is ingenious, it is highly practical.
The present invention also provides a kind of protective device based on non-newtonian fluid, the protective device is using as described above anti-
Protective material is filled.
Preferably, the protective device based on non-newtonian fluid, can be made as arbitrary shape, daily life can be used
In any protection.Different shapes can be used on product of different shapes.
Further, as shown in Figure 3 and Figure 4, the protective device includes inner packing 2 and the outsourcing being wrapped in outside inner packing 2
3 are filled, protective materials 1 is filled with the inner packing 2.Such as the inner packing 2 is soft rubber device capsule, i.e., described soft rubber
Device capsule outer layer is equipped with outer packing 3, and the soft rubber device capsule is by cohering or other mounting means are fixed in outer packing 3.Its
In outer packing 3 can be carton, glue case, cloth etc..
The soft rubber device capsule is preferably seal cavity structure.Using such structure setting, protection material is effectively prevented
Stream goes out.
Preferably, the protective device based on non-newtonian fluid can be positioned over the position of any required protection, such
Structure setting, can make protective position entirety stress evenly, in addition, product beauty will not be influenced.
The present invention also provides a kind of application of the protective device based on non-newtonian fluid, protective device as described above is used
In jacket, trousers, wrist guard, elbow support, knee-pad, legging, shoulder protector, ballistic protective clothing, explosion-proof clothing, shellproof helmet, mobile phone packaging or cushioning product.
Certainly also include some other valuables packaging, breakables packaging, can also be head protector, protective gloves, protective socks, anti-
Protect footwear, protection knee-pad, protection carton, protection wooden case, protective rubber, packaging bag etc..The protective device of the present invention has protecting against shock, prevents
The function of collision, can become this by shape, when being impacted or being collided, required protection when human synovial is movable according to joint
Protective action is played at position, makes to reduce injury in daily life, its is simple in sturcture, ingenious in design, and practical row is strong, and protective is high,
It will not cause environmental pollution.
In conclusion the protective materials of the present invention can improve the safeguard function of product in daily life, occur impact or
Protective action is effectively played during collision, its protection effect is good, highly practical.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (9)
1. a kind of protective materials based on non-newtonian fluid, it is characterised in that the protective materials is dilatant fluid material, institute
Dilatant fluid material is stated using internal viscosity with the rheological behavior material for being increased by rate of shear rate and being strengthened.
2. the protective materials according to claim 1 based on non-newtonian fluid, it is characterised in that the dilatant fluid material
The material of main part of material is the one or more in cornstarch, tapioca, starch from sweet potato or potato starch.
3. the protective materials according to claim 2 based on non-newtonian fluid, it is characterised in that the dilatant fluid material
Expect to be mixed to get for material of main part and water.
4. the protective materials according to claim 3 based on non-newtonian fluid, it is characterised in that count in mass ratio, it is described
The mixed proportion of material of main part and water is 1.5~2:1.
5. the protective materials according to claim 3 based on non-newtonian fluid, it is characterised in that the dilatant fluid material
Pigment is also added with material.
6. the protective materials according to claim 3 based on non-newtonian fluid, it is characterised in that by mass percentage,
Amylopectin content is 50~100% in the material of main part.
7. a kind of protective device based on non-newtonian fluid, it is characterised in that the protective device uses such as claim 1~6
Any one of them protective materials is filled.
8. the protective device according to claim 7 based on non-newtonian fluid, it is characterised in that the protective device includes
Inner packing and the outer packing being wrapped in outside inner packing, the inner packing is interior to be filled with protective materials.
9. a kind of application of the protective device based on non-newtonian fluid, it is characterised in that dress will be protected as claimed in claim 7
Put for jacket, trousers, wrist guard, elbow support, knee-pad, legging, shoulder protector, ballistic protective clothing, explosion-proof clothing, shellproof helmet, mobile phone packaging or damping
Product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711136602.XA CN108003392A (en) | 2017-11-16 | 2017-11-16 | A kind of protective materials based on non-newtonian fluid, device and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711136602.XA CN108003392A (en) | 2017-11-16 | 2017-11-16 | A kind of protective materials based on non-newtonian fluid, device and application |
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| Publication Number | Publication Date |
|---|---|
| CN108003392A true CN108003392A (en) | 2018-05-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711136602.XA Pending CN108003392A (en) | 2017-11-16 | 2017-11-16 | A kind of protective materials based on non-newtonian fluid, device and application |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786080A (en) * | 2018-09-20 | 2018-11-13 | 国武时代国际文化传媒（北京）有限公司 | Free-fighting partner-training protective device |
| CN108825830A (en) * | 2018-07-24 | 2018-11-16 | 徐燕 | A kind of two-way anti-explosive valve |
| CN108815736A (en) * | 2018-05-29 | 2018-11-16 | 单舒乙 | A kind of household earthquake-proof rescue capsule |
| CN109764754A (en) * | 2019-03-11 | 2019-05-17 | 孙逸博 | One kind putting on a suit of armour armor structure |
| CN112167742A (en) * | 2019-06-12 | 2021-01-05 | 苏州福洹纺织科技有限公司 | Intelligent protective motorcycle riding suit |
| CN112369734A (en) * | 2020-12-03 | 2021-02-19 | 安徽理工大学 | Rock burst mine protective clothing based on non-Newtonian fluid |
| WO2022183627A1 (en) * | 2021-03-01 | 2022-09-09 | 安踏（中国）有限公司 | Sole shock-absorbing piece and sole |
| CN116285389A (en) * | 2023-02-06 | 2023-06-23 | 上海安踏体育用品有限公司 | non-Newtonian fluid shoe midsole material and preparation method thereof |
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