CN115742520B - Polyurethane foam material with antistatic surface - Google Patents
Polyurethane foam material with antistatic surface Download PDFInfo
- Publication number
- CN115742520B CN115742520B CN202211345586.6A CN202211345586A CN115742520B CN 115742520 B CN115742520 B CN 115742520B CN 202211345586 A CN202211345586 A CN 202211345586A CN 115742520 B CN115742520 B CN 115742520B
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- Prior art keywords
- layer
- antistatic
- polyurethane
- conductive
- silencing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229920005830 Polyurethane Foam Polymers 0.000 title claims abstract description 35
- 239000011496 polyurethane foam Substances 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 title claims abstract description 19
- 229920002635 polyurethane Polymers 0.000 claims abstract description 38
- 239000004814 polyurethane Substances 0.000 claims abstract description 38
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 24
- 230000030279 gene silencing Effects 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 239000006260 foam Substances 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 12
- 238000009954 braiding Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000011527 polyurethane coating Substances 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 18
- 230000005611 electricity Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 description 8
- 239000012528 membrane Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Laminated Bodies (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a polyurethane foam material with an antistatic surface, which comprises a polyurethane base layer, wherein an antistatic layer is arranged at the top of the polyurethane base layer, antistatic particles and antistatic bodies are uniformly arranged in the antistatic layer, a tensile layer is arranged at the top of the antistatic layer, a first silencing layer is arranged at the top of the tensile layer, and a polylactide film is arranged at the top of the first silencing layer. According to the invention, the TPU coating is coated on the outer side of the traditional polyurethane foam, so that weaker electric power can be primarily treated, when stronger static electricity is transferred to the inside of the antistatic layer, the static electricity is absorbed under the mutual cooperation of the antistatic body and the antistatic particles, and the static electricity is transferred to the inside of the conductive wire through the conductive foam ring and the conductive yarn layer by a plurality of groups of conductive fibers, so that the static electricity is eliminated and absorbed in an omnibearing manner.
Description
Technical Field
The invention relates to the technical field of polyurethane foam materials, in particular to a polyurethane foam material with an antistatic surface.
Background
The polyurethane foam is a new organic polymer material, is known as a fifth plastic, has a series of characteristics of convenient use, free bending, ultrathin volume, reliable performance and the like, and has higher requirements for the manufacturing process of the polyurethane foam along with the continuous development of technology.
The existing polyurethane foam materials have certain defects:
1. the antistatic effect of the existing polyurethane foam is poor, so that the use feeling of a user is reduced, and because the antistatic fabric is mostly antistatic by adopting a single antistatic layer, when the static is too strong, the antistatic treatment is difficult to perform.
2. The polyurethane foam is applied to sealing of mobile phones, hard disks, digital cameras, GPS, notebook computers, displays, PDAs, loudspeakers, computer housings, instrument boards, buffering and damping, precise electronic and electric appliance sealing, portable computers and the like, but has poor buffering and damping effects on polyurethane foam and has very small protection effect on precise digital products;
3. the polyurethane foam has special properties when in use, so that the strength of polyurethane is low, and the polyurethane foam is easy to crack and damage due to low strength in the use process, thereby bringing certain adverse effects to the use process of people.
Disclosure of Invention
The invention aims to provide a polyurethane foam material with antistatic surface, which solves the related problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a polyurethane foam material of antistatic on surface, includes the polyurethane basic unit, the top of polyurethane basic unit is provided with antistatic layer, antistatic layer's inside evenly is provided with antistatic granule and antistatic body, antistatic layer's top is provided with the tensile layer, tensile layer's top is provided with first amortization layer, first amortization layer's top is provided with down the polylactide membrane, the top of polylactide membrane is provided with the polyurethane insole structure layer down, the top of polyurethane insole structure layer is provided with the polylactide membrane, the top of going up the polylactide membrane is provided with the second amortization layer, the top of second amortization layer is provided with the heat preservation, the top of heat preservation is provided with the TPU coating.
Preferably, the metal braiding layer is braided by metal wires, and the outer side of the metal braiding layer is wrapped by polyurethane.
Preferably, the bottom of the TPU coating and the bottom of the heat insulation layer are wavy, and the TPU coating and the heat insulation layer are connected with each other through an adhesive.
Preferably, the second silencing layer and the first silencing layer are made of polyester fiber materials, and the inside of the second silencing layer and the inside of the first silencing layer are of honeycomb structures.
Preferably, the antistatic body comprises a conductive foam ring, conductive fibers, conductive wires and a conductive yarn layer, wherein the conductive foam ring is positioned in the antistatic layer, the conductive yarn layer is arranged on the inner side of the conductive foam ring, a plurality of groups of conductive fibers are arranged on the inner side of the conductive wires, and the conductive wires are arranged at the positions, close to the circle centers, of the conductive fibers.
Preferably, the polyurethane midsole structure layer is hollowed out to form a cavity, and a plurality of groups of elastic columns are arranged in the cavity.
Preferably, the first silencing layer, the polyurethane midsole structure layer, the second silencing layer, the upper polylactide film and the lower polylactide film are integrally formed through lamination.
Preferably, the cross section of the antistatic particles is elliptical, and the antistatic particles and the antistatic bodies are uniformly arranged at intervals in sequence.
Compared with the prior art, the invention provides the polyurethane foam material with the antistatic surface, which has the following beneficial effects:
1. according to the invention, the TPU coating is coated on the outer side of the traditional polyurethane foam, so that weaker electric power can be primarily treated, when stronger static electricity is transferred to the inside of the antistatic layer, the static electricity is absorbed under the mutual cooperation of the antistatic body and the antistatic particles, and the static electricity is transferred to the inside of the conductive wire through the conductive foam ring and the conductive yarn layer by a plurality of groups of conductive fibers, so that the static electricity is eliminated and absorbed in an omnibearing manner.
2. According to the invention, the plurality of groups of elastic columns are arranged in the polyurethane midsole structural layer, so that when the polyurethane foam is extruded, force is transmitted to the polyurethane midsole structural layer through transmission, the polyurethane midsole structural layer is extruded, the polyurethane midsole structural layer deforms to extrude the elastic columns to deform, impact force is buffered, and meanwhile, noise generated by vibration can be effectively isolated through the silencing holes in the second silencing layer.
3. According to the invention, the tensile layers are arranged, and the metal braiding layers in the tensile layers are woven in a staggered manner through the metal wires, so that the metal wires are mutually matched, the strength of the metal wires is further improved, and meanwhile, the upper reinforcing cloth and the lower reinforcing cloth can assist in supporting the metal braiding layers, and the overall tensile property of the tensile layers is enhanced.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a perspective view of a second sound attenuating layer of the present invention;
FIG. 3 is a side cross-sectional view of an antistatic body of the present invention;
FIG. 4 is a perspective view of a tensile layer of the present invention;
fig. 5 is a top view of a metal braid of the present invention.
In the figure: 1. a polyurethane base layer; 2. antistatic particles; 3. an antistatic body; 301. a conductive foam ring; 302. a conductive fiber; 303. a conductive wire; 304. a conductive yarn layer; 4. an antistatic layer; 5. a first sound deadening layer; 6. a polyurethane midsole structure layer; 7. a second sound deadening layer; 8. a TPU coating; 9. coating a polylactide film; 10. a lower polylactide film; 11. a tensile layer; 1101. the upper reinforcing cloth; 1102. a metal braid; 1103. a lower reinforcing cloth; 12. and a heat preservation layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a polyurethane foam material of antistatic surface, including polyurethane basic unit 1, polyurethane basic unit 1's top is provided with antistatic layer 4, antistatic layer 4's inside evenly is provided with antistatic granule 2 and antistatic body 3, antistatic layer 4's top is provided with tensile layer 11, tensile layer 11's top is provided with first amortization layer 5, first amortization layer 5's top is provided with down the polylactide membrane 10, the top of polylactide membrane 10 is provided with polyurethane insole structure layer 6 down, polyurethane insole structure layer 6's top is provided with the polylactide membrane 9, go up the top of polylactide membrane 9 and be provided with second amortization layer 7, second amortization layer 7's top is provided with heat preservation layer 12, heat preservation layer 12's top is provided with TPU coating 8.
As a preferable scheme of the present embodiment: the metal braid 1102 is woven from metal wires, and the outer side of the metal braid 1102 is wrapped with polyurethane, so that the metal braid 1102 is more tightly connected.
As a preferable scheme of the present embodiment: the bottom of the TPU coating 8 and the bottom of the heat preservation layer 12 are wavy, the TPU coating 8 and the heat preservation layer 12 are connected with each other through an adhesive, and the cohesiveness between the TPU coating 8 and the heat preservation layer 12 is improved.
As a preferable scheme of the present embodiment: the second noise reduction layer 7 and the first noise reduction layer 5 are made of polyester fiber materials, and the second noise reduction layer 7 and the first noise reduction layer 5 are of honeycomb structures, so that the noise reduction effect of polyurethane foam is improved.
As a preferable scheme of the present embodiment: the antistatic body 3 comprises a conductive foam ring 301, conductive fibers 302, conductive wires 303 and a conductive yarn layer 304, wherein the conductive foam ring 301 is positioned in the antistatic layer 4, the conductive yarn layer 304 is arranged on the inner side of the conductive foam ring 301, a plurality of groups of conductive fibers 302 are arranged on the inner side of the conductive wires 303, the conductive wires 303 are arranged at the positions, close to the circle centers, of the plurality of groups of conductive fibers 302, and the antistatic property of polyurethane foam is improved.
As a preferable scheme of the present embodiment: the inside fretwork of polyurethane insole structure layer 6 forms the cavity, and the inside of cavity is provided with multiunit elastic column, improves the elasticity of polyurethane insole structure layer 6.
As a preferable scheme of the present embodiment: the first silencing layer 5, the polyurethane midsole structure layer 6, the second silencing layer 7, the upper polylactide film 9 and the lower polylactide film 10 are integrally formed through lamination, so that the connection tightness among all the layers is improved.
As a preferable scheme of the present embodiment: the cross section of the antistatic particles 2 is elliptical, and the antistatic particles 2 and the antistatic bodies 3 are sequentially and uniformly arranged at intervals, so that static electricity can be absorbed in various places.
In example 1, as shown in fig. 4-5, the outer side of the polyurethane foam is coated with the TPU coating 8, so that weaker power can be primarily handled, when stronger static electricity is transferred to the inside of the antistatic layer 4, the static electricity is absorbed under the mutual cooperation of the antistatic body 3 and the antistatic particles 2, and the static electricity is transferred to the inside of the conductive yarn 303 through the conductive foam ring 301 and the conductive yarn layer 304 by the plurality of groups of conductive fibers 302, so that the static electricity is eliminated and absorbed in an omnibearing manner.
Embodiment 2, as shown in fig. 4-5, when the polyurethane foam is extruded, force is transmitted to the polyurethane midsole structure layer 6 through transmission, the polyurethane midsole structure layer 6 is extruded, so that the polyurethane midsole structure layer 6 deforms to extrude the elastic column to deform, impact force is buffered, meanwhile, the noise reduction holes in the second noise reduction layer 7 can repeatedly rebound and transmit the transmitted sound, consumption of sound energy can be effectively isolated from noise generated by vibration.
Working principle: the TPU coating 8 is coated on the outer side of the polyurethane foam, weak electric power can be primarily handled, when strong static electricity is transferred to the inner part of the antistatic layer 4, the static electricity is absorbed under the mutual cooperation of the antistatic body 3 and the antistatic particles 2, and the static electricity is transferred to the inner part of the conductive wire 303 through the conductive foam ring 301 and the conductive yarn layer 304 by the plurality of groups of conductive fibers 302, so that the static electricity is eliminated and absorbed in an omnibearing manner.
When the polyurethane foam is extruded, force is transmitted to the polyurethane midsole structure layer 6 through transmission, the polyurethane midsole structure layer 6 is extruded, the polyurethane midsole structure layer 6 deforms to extrude the elastic column, impact force is buffered, meanwhile, the noise reduction holes in the second noise reduction layer 7 can transmit the transmitted sound repeatedly in a rebound mode, the consumption of sound energy is reduced, and noise generated by vibration can be effectively isolated.
The inside metal weaving layer 1102 of tensile layer 11 is woven through the wire is crisscross each other for mutually supporting between the wire, and further improved the intensity of wire, go up reinforcement cloth 1101 and lower reinforcement cloth 1103 simultaneously can assist to support metal weaving layer 1102, strengthen the holistic tensile strength of tensile layer 11, thereby guarantee the holistic intensity of polyurethane foam, reduce the cracked condition that exists when the follow-up use, go up polylactide film 9 and lower polylactide film 10 and be environmental protection material, be convenient for degrade, have ventilative effect, the performance is more excellent, can conveniently connect the location to polyurethane foam through the location frame, it is more swift to use, the location effect is excellent, be difficult for droing, have the protective effect at the skin during transportation, adopt polylactide environmental protection material and sound absorbing material, the environmental protection performance is excellent, the sound insulation effect is good.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and that the simple modification and equivalent substitution of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. The polyurethane foam material with antistatic surface comprises a polyurethane base layer (1), and is characterized in that: the antistatic polyurethane coating comprises a polyurethane base layer (1), wherein an antistatic layer (4) is arranged at the top of the polyurethane base layer (1), antistatic particles (2) and antistatic bodies (3) are uniformly arranged in the antistatic layer (4), a tensile layer (11) is arranged at the top of the antistatic layer (4), a first silencing layer (5) is arranged at the top of the tensile layer (11), a lower polylactide film (10) is arranged at the top of the first silencing layer (5), a polyurethane midsole structure layer (6) is arranged at the top of the lower polylactide film (10), an upper polylactide film (9) is arranged at the top of the polyurethane midsole structure layer (6), a second silencing layer (7) is arranged at the top of the upper polylactide film (9), a heat preservation layer (12) is arranged at the top of the second silencing layer (7), and a TPU coating (8) is arranged at the top of the heat preservation layer (12);
the antistatic body (3) comprises a conductive foam ring (301), conductive fibers (302), conductive wires (303) and a conductive yarn layer (304), wherein the conductive foam ring (301) is positioned in the antistatic layer (4), the conductive yarn layer (304) is arranged on the inner side of the conductive foam ring (301), a plurality of groups of conductive fibers (302) are arranged on the inner side of the conductive wires (303), and the conductive wires (303) are arranged at the positions, close to the circle centers, of the conductive fibers (302);
the cross section of the antistatic particles (2) is elliptical, and the antistatic particles (2) and the antistatic bodies (3) are sequentially and uniformly arranged at intervals.
2. The polyurethane foam material with antistatic surfaces according to claim 1, wherein: the tensile layer (11) comprises an upper reinforcing cloth (1101), a metal braiding layer (1102) and a lower reinforcing cloth (1103), wherein the lower reinforcing cloth (1103) is positioned at the top of the antistatic layer (4), the metal braiding layer (1102) is arranged at the top of the lower reinforcing cloth (1103), and the upper reinforcing cloth (1101) is arranged at the top of the metal braiding layer (1102).
3. A polyurethane foam material having an antistatic surface according to claim 2, wherein: the metal braiding layer (1102) is braided by metal wires, and the outer side of the metal braiding layer (1102) is wrapped by polyurethane.
4. The polyurethane foam material with antistatic surfaces according to claim 1, wherein: the bottom of the TPU coating (8) and the bottom of the heat preservation layer (12) are wavy, and the TPU coating (8) and the heat preservation layer (12) are connected with each other through an adhesive.
5. The polyurethane foam material with antistatic surfaces according to claim 1, wherein: the second silencing layer (7) and the first silencing layer (5) are made of polyester fiber materials, and the second silencing layer (7) and the first silencing layer (5) are of honeycomb structures.
6. The polyurethane foam material with antistatic surfaces according to claim 1, wherein: the polyurethane midsole structure layer (6) is hollow in the inside to form a cavity, and a plurality of groups of elastic columns are arranged in the cavity.
7. The polyurethane foam material with antistatic surfaces according to claim 1, wherein: the first silencing layer (5), the polyurethane midsole structure layer (6), the second silencing layer (7), the upper polylactide film (9) and the lower polylactide film (10) are integrally formed through lamination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211345586.6A CN115742520B (en) | 2022-10-31 | 2022-10-31 | Polyurethane foam material with antistatic surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211345586.6A CN115742520B (en) | 2022-10-31 | 2022-10-31 | Polyurethane foam material with antistatic surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115742520A CN115742520A (en) | 2023-03-07 |
| CN115742520B true CN115742520B (en) | 2023-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211345586.6A Active CN115742520B (en) | 2022-10-31 | 2022-10-31 | Polyurethane foam material with antistatic surface |
Country Status (1)
| Country | Link |
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| CN (1) | CN115742520B (en) |
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