CN104213322A - Shock-resisting flexible protection structure and manufacturing method - Google Patents
Shock-resisting flexible protection structure and manufacturing method Download PDFInfo
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- CN104213322A CN104213322A CN201310711348.7A CN201310711348A CN104213322A CN 104213322 A CN104213322 A CN 104213322A CN 201310711348 A CN201310711348 A CN 201310711348A CN 104213322 A CN104213322 A CN 104213322A
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Abstract
The invention relates to the technical field of a protection structure, in particular to a shock-resisting flexible protection structure and also provides a manufacturing method of the shock-resisting flexible protection structure. The shock-resisting flexible protection structure comprises silicone rubber, a three-dimensional warp-knitted spacer fabric and a shear thickening solution, wherein the shear thickening solution comprises nano silicon dioxide particles and polyethylene glycol, the shear thickening solution is filled in an intermediate layer of the warp-knitted spacer fabric, the silicone rubber is used for packaging two sides and periphery of the warp-knitted spacer fabric to form a leak-proof bagged sealing structure. By utilizing the nano silicone dioxide particles, the thickening effect of the shear thickening solution can be adequately played, the nano silicon dioxide particles can be instantaneously converted from liquid state to solid state when suffering the shock effect, and the intelligent conversion is realized; by utilizing the warp-knitted spacer fabric, the entire flexible protection structure is stable, the mechanical property is excellent, and the shock-resisting flexible protection structure can be used for bending parts and curve structure parts such as joints.
Description
Technical field:
The present invention relates to the technical field of safeguard structure, a kind of shock resistance flexible protective structure particularly also provides the manufacture method of this shock resistance flexible protective structure simultaneously.
Background technology:
Human body in motion process and in the use procedure of various precision electronic devices often can because fall, landing and foreign object collision and cause oneself injury.In order to take precautions against various contingencies, there are various safeguard structures, make it when being subject to impacting, can play certain shock absorbing effect, thereby reduce peak value impulsive force, alleviate the injury to human body and article.The safeguard structure using at present has hard, semi-rigid and three flexible classes.Wherein the material of hard and semi-rigid in use can limit individual activity, brings inconvenience in use procedure.Although flexible safeguard structure pliability is better, exists the limited shortcoming of protective capacities.
Have in several well known shock resistance protector, use more rigid plastics and PU foam etc., there is certain protection effect, when material is subject to impacting, the performance of material itself can not change thereupon, can not accomplish to impact to external world and make intelligence reflection, and these protector to fill comfortableness poor.
Summary of the invention:
Technical problem to be solved by this invention is to exist protective capacities limited and filling the shortcomings such as comfortableness is poor for existing shock resistance flexible protective structure, a kind of shock resistance flexible protective structure is provided, the preparation method of this anti-impact protection structure is also provided simultaneously.
The present invention solves the technical scheme that its technical problem takes: a kind of shock resistance flexible protective structure, it is characterized in that: comprise silicon rubber, the warp-knitted spacer fabric of three-dimensional shape and shear thickening liquid, described warp-knitted spacer fabric is by upper layer, lower surface layer and intermediate layer form, intermediate layer connects upper layer and lower surface layer, described shear thickening liquid comprises nanometer silicon dioxide particle and polyethylene glycol, shear thickening perfusion is in the intermediate layer of warp-knitted spacer fabric, silicon rubber encapsulates the two sides of described warp-knitted spacer fabric and surrounding, make it form the bag-shaped hermetically-sealed construction of an antiseep.
Further, the upper layer of described warp-knitted spacer fabric and lower surface layer are weaved and are formed through pillar stitch by fiber multifilament.
Preferably, described fiber multifilament is polyester multifilament or polyethylene multifilament.
Further, the intermediate layer of described warp-knitted spacer fabric is weaved and is formed by polyester monofilament.
In addition, the present invention also provides a kind of manufacture method of shock resistance flexible protective structure, it is characterized in that: comprise the following steps,
Step 1: adopt La Sheer double rib warp loom once to weave the warp-knitted spacer fabric that forms the 3-D solid structure being formed by upper layer, lower surface layer and intermediate layer;
Step mule 2: adopt nanometer silicon dioxide particle and polyethylene glycol to prepare shear thickening liquid;
Step 3: the silicon rubber of two kinds of different components is mixed in the ratio of 1: 1, remove after bubble, immersion coating is carried out in the warp-knitted spacer fabric surface in step 1, be then cured processing, form the bag-shaped space fabric of antiseep;
Step mule 4: the shear thickening perfusion in step 2, in the intermediate layer of the packed space fabric in step 3, is mixed the silicon rubber of two kinds of different components to be sealed by 1: 1 ratio in recycling step 3, form the shock resistance flexible protective structure sealing.
Further, in step 2, the preparation process of shear thickening liquid comprises the following steps:
Step 201: nanometer silicon dioxide particle is joined in polyethylene glycol gradually, and constantly stir;
Step mule 202: the suspension of the mixing that step 201 is obtained shakes dispersion in ultrasonic wave;
Step 203: the scattered mixed liquor that step 202 is obtained is put in vacuum drying chamber and vacuumizes, removes bubble, obtains shear thickening liquid.
Further, in step 4 by shear thickening perfusion to the step of removing in the lump bubble in the process in intermediate layer.
Further, the upper layer of described warp-knitted spacer fabric and lower surface layer are weaved and are formed through pillar stitch by fiber multifilament.
Preferably, described fiber multifilament is polyester multifilament or polyethylene multifilament.
Further, the intermediate layer of described warp-knitted spacer fabric is weaved and is formed by polyester monofilament.
The present invention is owing to having taked technique scheme, and it has following beneficial effect:
1, shock resistance flexible protective structure of the present invention and manufacture method thereof are by being used nanometer silicon dioxide particle, given full play to the thickening effect of shear thickening liquid, when being subject to percussion, can from liquid state, be converted into solid-state in moment, simultaneously, loss modulus also sharply increases, and absorbs more multipotency, greatly reduces penetration power peak value; After external force is removed, can automatically restore to original liquid condition, without extra flip flop equipment, realized intelligent conversion;
2, the present invention takes full advantage of warp-knitted spacer fabric Stability Analysis of Structures, incompressible resilience is good, buffering effect is obvious and production efficiency is high advantage, and also the framework material using it as a kind of enhancing, makes whole flexible protective Stability Analysis of Structures, good mechanical performance.
3, the present invention utilizes silicon rubber as encapsulating material, prevent Liquid Penetrant and moistureproof in, also given full play to the flexible nature of silicon rubber, make whole flexible protective Tough structure better performances, snugness of fit is good, can be for the crooked positions such as joint and curved-surface structure position.
Accompanying drawing explanation:
Fig. 1 is the structural representation of shock resistance flexible protective structure of the present invention;
Fig. 2 is the structural representation of the warp-knitted spacer fabric of shock resistance flexible protective structure of the present invention;
In figure: 1, silicon rubber; 2, warp-knitted spacer fabric; 21, upper layer; 22, lower surface layer; 23, intermediate layer; 3, shear thickening liquid.
The specific embodiment:
Below in conjunction with accompanying drawing, content of the present invention is described further.
As depicted in figs. 1 and 2, a kind of shock resistance flexible protective structure of the present invention, it is characterized in that: the warp-knitted spacer fabric 2 and the shear thickening liquid 3 that comprise silicon rubber 1, three-dimensional shape, described warp-knitted spacer fabric 2 is comprised of upper layer 21, lower surface layer 22 and intermediate layer 23, intermediate layer 23 connects upper layer 21 and lower surface layer 22, wherein, the upper layer 21 of described warp-knitted spacer fabric 2 and lower surface layer 22 are weaved and are formed through pillar stitch by fiber multifilament, preferably, described fiber multifilament is polyester multifilament or polyethylene multifilament.And the intermediate layer 23 of described warp-knitted spacer fabric 2 is weaved and is formed by polyester monofilament.Described warp-knitted spacer fabric 2 Stability Analysis of Structures, incompressible same good springiness, the advantage that buffering effect is obvious and production efficiency is high, also the framework material using it as a kind of enhancing, makes whole composite structure stable, good mechanical performance.
Wherein, described shear thickening liquid 3 comprises nanometer silicon dioxide particle and polyethylene glycol, and shear thickening liquid 3 is poured in the intermediate layer 23 of warp-knitted spacer fabric 2.Wherein nanometer silicon dioxide particle has been given full play to the thickening effect of shear thickening liquid, when being subject to percussion, can from liquid state, be converted in moment solid-stately, and meanwhile, loss modulus also sharply increases, and absorbs more multipotency, greatly reduces penetration power peak value; After external force is removed, can automatically restore to original liquid condition, without extra flip flop equipment, realized intelligent conversion.
Wherein, two sides and the surrounding of 1 pair of described warp-knitted spacer fabric 2 of silicon rubber encapsulate, and make it form the bag-shaped hermetically-sealed construction of an antiseep.The present invention utilizes silicon rubber as encapsulating material, prevent Liquid Penetrant and moistureproof in, also given full play to the flexible nature of silicon rubber, make whole flexible protective Tough structure better performances, snugness of fit is good, can be for the crooked positions such as joint and curved-surface structure position.
In addition, the present invention also provides a kind of manufacture method of shock resistance flexible protective structure, it is characterized in that: comprise the following steps,
Step 1: adopt La Sheer double rib warp loom once to weave the warp-knitted spacer fabric 2 that forms the 3-D solid structure being formed by upper layer 21, lower surface layer 22 and intermediate layer 23;
Wherein, the upper layer 21 of described warp-knitted spacer fabric 2 and lower surface layer 22 are weaved and are formed through pillar stitch by fiber multifilament.Preferably, described fiber multifilament is polyester multifilament or polyethylene multifilament.And the intermediate layer 23 of described warp-knitted spacer fabric 2 is weaved and is formed by polyester monofilament.
Step 2: adopt nanometer silicon dioxide particle and polyethylene glycol to prepare shear thickening liquid 3;
In step 2, the preparation process of shear thickening liquid comprises the following steps:
Step 201: nanometer silicon dioxide particle is joined in polyethylene glycol gradually, and constantly stir;
Step 202: the suspension of the mixing that step 201 is obtained shakes dispersion in ultrasonic wave;
Step 203: the scattered mixed liquor that step 202 is obtained is put in vacuum drying chamber and vacuumizes, removes bubble, obtains shear thickening liquid.
Step 3: the silicon rubber of two kinds of different components 1 is mixed in the ratio of 1: 1, remove after bubble, immersion coating is carried out in the warp-knitted spacer fabric surface in step 1, be then cured processing, form the bag-shaped space fabric of antiseep;
Step 4: the shear thickening liquid 3 in step 2 is filled in the intermediate layer 23 of the packed space fabric in step 3, in 1: 1 ratio, the silicon rubber of two kinds of different components is mixed and sealed in recycling step 3, form the shock resistance flexible protective structure of sealing.
Further, in step 4, shear thickening liquid 3 is filled into the step of removing in the lump bubble in the process in intermediate layer 23.
In order to illustrate in greater detail and to have more convincingness, support inventive point of the present invention, now enumerate some embodiment and be described in detail.
Embodiment 1
Manufacture shear thickening liquid and fill terylene warp-knitted spacer fabric shock resistance flexible protective structure:
Step 1: adopt La Sheer double rib warp loom once to weave the warp-knitted spacer fabric 2 that forms 3-D solid structure, upper layer 21 and lower surface layer 22 are weaved and are formed through pillar stitch by the polyester multifilament of 300D/96F, and intermediate layer 23 is weaved and formed by the polyester monofilament of 0.2mm;
Step 2: adopt nanometer silicon dioxide particle and the polyethylene glycol PEG200 preparation shear thickening liquid of 12nm, the mass fraction of silica is 30%:
In step 2, the preparation process of shear thickening liquid comprises the following steps:
Step 201: the nanometer silicon dioxide particle of 12nm is joined in polyethylene glycol PEG200 gradually, and constantly stir;
Step 202: the suspension of the mixing that step 201 is obtained shakes dispersion in ultrasonic wave;
Step 203: the scattered mixed liquor that step 202 is obtained is put in vacuum drying chamber and vacuumizes, removes bubble, obtains shear thickening liquid.
Step 3: the silicon rubber of two kinds of different components 1 is mixed in the ratio of 1: 1, remove after bubble, immersion coating is carried out in the warp-knitted spacer fabric surface in step 1, then solidify 20 minutes at 80 ℃, form the bag-shaped space fabric of antiseep;
Step 4: the shear thickening liquid 3 in step 2 is filled in the intermediate layer 23 of the packed space fabric in step 3, in 1: 1 ratio, the silicon rubber of two kinds of different components is mixed and sealed in recycling step 3, form the shock resistance flexible protective structure of sealing.
Embodiment 2
Manufacture shear thickening liquid and fill high-strength polyethylene warp-knitted spacer fabric shock resistance flexible protective structure:
Step 1: adopt La Sheer double rib warp loom once to weave the warp-knitted spacer fabric 2 that forms 3-D solid structure, upper layer 21 and lower surface layer 22 are weaved and are formed through pillar stitch by the high-strength polyethylene multifilament of 300D/96F, and intermediate layer 23 is weaved and formed by the polyester monofilament of 0.2mm;
Step 2: adopt nanometer silicon dioxide particle and the polyethylene glycol PEG400 preparation shear thickening liquid of 12nm, the mass fraction of silica is 25%:
In step 2, the preparation process of shear thickening liquid comprises the following steps:
Step 201: the nanometer silicon dioxide particle of 12nm is joined in polyethylene glycol PEG400 gradually, and constantly stir;
Step 202: the suspension of the mixing that step 201 is obtained shakes dispersion in ultrasonic wave;
Step 203: the scattered mixed liquor that step 202 is obtained is put in vacuum drying chamber and vacuumizes, removes bubble, obtains shear thickening liquid.
Step 3: the silicon rubber of two kinds of different components 1 is mixed in the ratio of 1: 1, remove after bubble, immersion coating is carried out in the warp-knitted spacer fabric surface in step 1, then solidify 20 minutes at 80 ℃, form the bag-shaped space fabric of antiseep;
Step 4: the shear thickening liquid 3 in step 2 is filled in the intermediate layer 23 of the packed space fabric in step 3, in 1: 1 ratio, the silicon rubber of two kinds of different components is mixed and sealed in recycling step 3, form the shock resistance flexible protective structure of sealing.
Above content specifically describes a kind of shock resistance flexible protective structure of the present invention and manufacture method thereof; and having enumerated a plurality of embodiment describes; but the present invention is not subject to the limitation of specific embodiment content described above and corresponding embodiment; so any improvement, equivalent modifications and replacement etc. that all foundations technical essential of the present invention is carried out, all belong to the scope of protection of the invention.
Claims (10)
1. a shock resistance flexible protective structure, it is characterized in that: the warp-knitted spacer fabric and the shear thickening liquid that comprise silicon rubber, three-dimensional shape, described warp-knitted spacer fabric is comprised of upper layer, lower surface layer and intermediate layer, intermediate layer connects upper layer and lower surface layer, described shear thickening liquid comprises nanometer silicon dioxide particle and polyethylene glycol, shear thickening perfusion is in the intermediate layer of warp-knitted spacer fabric, silicon rubber encapsulates the two sides of described warp-knitted spacer fabric and surrounding, makes it form the bag-shaped hermetically-sealed construction of an antiseep.
2. shock resistance flexible protective structure according to claim 1, is characterized in that: the upper layer of described warp-knitted spacer fabric and lower surface layer are weaved and formed through pillar stitch by fiber multifilament.
3. shock resistance flexible protective structure according to claim 2, is characterized in that: described fiber multifilament is polyester multifilament or polyethylene multifilament.
4. shock resistance flexible protective structure according to claim 1, is characterized in that: the intermediate layer of described warp-knitted spacer fabric is weaved and formed by polyester monofilament.
5. a manufacture method for the shock resistance flexible protective structure described in claim 1-4 any one, is characterized in that: comprises the following steps,
Step 1: adopt La Sheer double rib warp loom once to weave the warp-knitted spacer fabric that forms the 3-D solid structure being formed by upper layer, lower surface layer and intermediate layer;
Step 2: adopt nanometer silicon dioxide particle and polyethylene glycol to prepare shear thickening liquid;
Step 3: the silicon rubber of two kinds of different components is mixed in the ratio of 1: 1, remove after bubble, immersion coating is carried out in the warp-knitted spacer fabric surface in step 1, be then cured processing, form the bag-shaped space fabric of antiseep;
Step 4: the shear thickening perfusion in step 2, in the intermediate layer of the packed space fabric in step 3, is mixed the silicon rubber of two kinds of different components to be sealed by 1: 1 ratio in recycling step 3, form the shock resistance flexible protective structure sealing.
6. the manufacture method of shock resistance flexible protective structure according to claim 5, is characterized in that: in step 2, the preparation process of shear thickening liquid comprises the following steps,
Step 201: nanometer silicon dioxide particle is joined in polyethylene glycol gradually, and constantly stir;
Step 202: the suspension of the mixing that step 201 is obtained shakes dispersion in ultrasonic wave;
Step 203: the scattered mixed liquor that step 202 is obtained is put in vacuum drying chamber and vacuumizes, removes bubble, obtains shear thickening liquid.
7. the manufacture method of shock resistance flexible protective structure according to claim 5, is characterized in that: in step 4 by shear thickening perfusion to the step of removing in the lump bubble in the process in intermediate layer.
8. the manufacture method of shock resistance flexible protective structure according to claim 5, is characterized in that: the upper layer of described warp-knitted spacer fabric and lower surface layer are weaved and formed through pillar stitch by fiber multifilament.
9. the manufacture method of shock resistance flexible protective structure according to claim 8, is characterized in that: described fiber multifilament is polyester multifilament or polyethylene multifilament.
10. the manufacture method of shock resistance flexible protective structure according to claim 5, is characterized in that: the intermediate layer of described warp-knitted spacer fabric is weaved and formed by polyester monofilament.
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Cited By (19)
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| CN105881940A (en) * | 2016-04-29 | 2016-08-24 | 盐城工学院 | Preparing method for shear thickening liquid and spacer fabric composite protection pad |
| CN106012371A (en) * | 2016-05-19 | 2016-10-12 | 盐城工学院 | Continuous production device for shear-thickening glue and mesh spaced fabric composite materials |
| CN106243417A (en) * | 2016-08-21 | 2016-12-21 | 任立元 | Tire low rolling resistance and the manufacture method of shearing Hardening type rubber composite |
| CN106279816A (en) * | 2016-08-21 | 2017-01-04 | 任立元 | Tire with ageing-resistant and shear Hardening type rubber composite manufacture method |
| CN106279839A (en) * | 2016-08-21 | 2017-01-04 | 任立元 | Height is grabbed ground and shears the manufacture method of Hardening type tyre rubber composite |
| CN106868705A (en) * | 2017-03-18 | 2017-06-20 | 响水县宝龙纺织有限公司 | A kind of automation mechanized operation high efficiency textile machine |
| CN107447356A (en) * | 2017-08-30 | 2017-12-08 | 江苏亨威实业集团有限公司 | A kind of Novel anti-stab anti-cutting garment material |
| CN107503149A (en) * | 2017-08-23 | 2017-12-22 | 武汉纺织大学 | A kind of STF and preparation method thereof and its application |
| CN108017901A (en) * | 2017-12-05 | 2018-05-11 | 福建福联精编有限公司 | A kind of Three-dimensional warp knitting space fabric enhancing special-shaped foam material and preparation method thereof |
| CN108130043A (en) * | 2016-12-01 | 2018-06-08 | 盐城工学院 | A kind of preparation method of silica and polyethylene glycol thickening dispersion |
| US10266718B2 (en) | 2015-12-17 | 2019-04-23 | Industrial Technology Research Institute | Protective material and protective structure and protective method |
| CN109944074A (en) * | 2019-02-26 | 2019-06-28 | 东华大学 | A kind of shear thickening fluid soft stab-proof fabric |
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| CN112220136A (en) * | 2020-10-19 | 2021-01-15 | 无锡市第五人民医院 | Medical stab-resistant glove |
| CN112425856A (en) * | 2020-11-25 | 2021-03-02 | 同济大学 | Building site is with giving sound insulation safety helmet that shocks resistance |
| CN113135005A (en) * | 2021-05-28 | 2021-07-20 | 国网上海市电力公司 | Polypropylene and shear thickening liquid impregnated aramid fiber composite material and production process |
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| CN114395926A (en) * | 2022-01-12 | 2022-04-26 | 东华大学 | Shear thickening glue reinforced fabric with low-speed impact protection function |
| CN115477924A (en) * | 2022-08-19 | 2022-12-16 | 中山莱圃新材料有限公司 | Preparation method of shear thickening fluid and fluid application thereof |
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| US10266718B2 (en) | 2015-12-17 | 2019-04-23 | Industrial Technology Research Institute | Protective material and protective structure and protective method |
| CN105881940A (en) * | 2016-04-29 | 2016-08-24 | 盐城工学院 | Preparing method for shear thickening liquid and spacer fabric composite protection pad |
| CN106012371A (en) * | 2016-05-19 | 2016-10-12 | 盐城工学院 | Continuous production device for shear-thickening glue and mesh spaced fabric composite materials |
| CN106012371B (en) * | 2016-05-19 | 2018-07-20 | 盐城工学院 | A kind of shear thickening glue and mesh space fabric composite continuous production equipment |
| CN106243417A (en) * | 2016-08-21 | 2016-12-21 | 任立元 | Tire low rolling resistance and the manufacture method of shearing Hardening type rubber composite |
| CN106279816A (en) * | 2016-08-21 | 2017-01-04 | 任立元 | Tire with ageing-resistant and shear Hardening type rubber composite manufacture method |
| CN106279839A (en) * | 2016-08-21 | 2017-01-04 | 任立元 | Height is grabbed ground and shears the manufacture method of Hardening type tyre rubber composite |
| CN108130043A (en) * | 2016-12-01 | 2018-06-08 | 盐城工学院 | A kind of preparation method of silica and polyethylene glycol thickening dispersion |
| CN108130043B (en) * | 2016-12-01 | 2020-06-05 | 盐城工学院 | Preparation method of silicon dioxide and polyethylene glycol thickening dispersion system |
| CN106868705A (en) * | 2017-03-18 | 2017-06-20 | 响水县宝龙纺织有限公司 | A kind of automation mechanized operation high efficiency textile machine |
| CN107503149A (en) * | 2017-08-23 | 2017-12-22 | 武汉纺织大学 | A kind of STF and preparation method thereof and its application |
| CN107447356A (en) * | 2017-08-30 | 2017-12-08 | 江苏亨威实业集团有限公司 | A kind of Novel anti-stab anti-cutting garment material |
| CN108017901A (en) * | 2017-12-05 | 2018-05-11 | 福建福联精编有限公司 | A kind of Three-dimensional warp knitting space fabric enhancing special-shaped foam material and preparation method thereof |
| CN109944074B (en) * | 2019-02-26 | 2021-05-28 | 东华大学 | Shearing thickening fluid soft stab-resistant fabric |
| CN109944074A (en) * | 2019-02-26 | 2019-06-28 | 东华大学 | A kind of shear thickening fluid soft stab-proof fabric |
| CN110271239A (en) * | 2019-05-14 | 2019-09-24 | 福洹体育用品（苏州）有限公司 | A kind of anticollision protecting ware for sports and its preparation and application |
| CN112220136A (en) * | 2020-10-19 | 2021-01-15 | 无锡市第五人民医院 | Medical stab-resistant glove |
| CN112425856A (en) * | 2020-11-25 | 2021-03-02 | 同济大学 | Building site is with giving sound insulation safety helmet that shocks resistance |
| CN113508489A (en) * | 2020-12-22 | 2021-10-15 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| WO2022133726A1 (en) * | 2020-12-22 | 2022-06-30 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| CN113135005A (en) * | 2021-05-28 | 2021-07-20 | 国网上海市电力公司 | Polypropylene and shear thickening liquid impregnated aramid fiber composite material and production process |
| CN114395926A (en) * | 2022-01-12 | 2022-04-26 | 东华大学 | Shear thickening glue reinforced fabric with low-speed impact protection function |
| CN115477924A (en) * | 2022-08-19 | 2022-12-16 | 中山莱圃新材料有限公司 | Preparation method of shear thickening fluid and fluid application thereof |
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Application publication date: 20141217 |
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