CN211199025U - Hollow porous glass bead - Google Patents
Hollow porous glass bead Download PDFInfo
- Publication number
- CN211199025U CN211199025U CN201922408741.4U CN201922408741U CN211199025U CN 211199025 U CN211199025 U CN 211199025U CN 201922408741 U CN201922408741 U CN 201922408741U CN 211199025 U CN211199025 U CN 211199025U
- Authority
- CN
- China
- Prior art keywords
- hollow
- glass bead
- bead
- porous
- porous glass
- 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.)
- Active
Links
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model provides a hollow porous glass bead, glass bead are a novel material that develops in recent years, have obtained the application in many fields such as aerospace, traffic, national defense, building. The utility model discloses a first cenosphere and arrange the outer second cenosphere of first cenosphere in, the outer wall of second cenosphere is porotic. The outer walls of the second hollow glass beads are coated with the nano conductive film, so that the antistatic capacity of the hollow glass beads is improved, and the phenomenon that the filling materials in the polymer material are not uniform due to mutual agglomeration among the glass beads is prevented; the outer surface of the second hollow glass bead wrapped outside is porous, so that the outer surface area of the glass bead is increased, when the polymeric material is compounded, the polymerization strength of the joint of the two is increased, the glass bead is prevented from being peeled off, the porous hollow glass bead has a sound absorption effect, the hollow glass bead has a sound insulation effect, and the hollow porous glass bead can be used as a filler of the sound-deadening and sound-insulating polymeric material.
Description
Technical Field
The utility model relates to a glass bead field especially relates to a hollow porous glass bead.
Background
The glass beads are glass spheres having a diameter ranging from several micrometers to several millimeters in diameter, and have the main chemical compositions of SiO2 and Al2O 3. Glass beads are a novel material developed in recent years, and have been applied to many fields such as aerospace, traffic, national defense and construction, and hollow beads are widely applied as fillers of composite materials due to the advantages of small size, light weight, heat insulation, sound insulation, corrosion resistance, electrical insulation and the like. As fillers for polymeric materials, existing hollow glass microspheres have the following disadvantages: (1) when the glass beads are in a micron-sized size, static electricity is often generated among the glass beads and the glass beads are agglomerated together, so that when the composite polymeric material is formed, the composite material is unevenly distributed, and the performance of the polymeric material is influenced; (2) when compounded into a polymeric material. The joint between the glass beads and the composite such as resin or foam has poor performance, and particularly, when coupling treatment using a coupling agent is insufficient, a phenomenon of bead peeling occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a hollow porous glass bead.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the hollow porous glass bead comprises a first hollow bead and a second hollow bead arranged outside the first hollow bead, wherein the outer wall of the second hollow bead is porous.
Preferably, the outer wall of the first hollow microsphere is provided with a metal film layer or an alloy film layer.
Preferably, the metal film is a nickel-plated film, a silver-plated film or a copper-plated film.
Preferably, the alloy film is an iron-nickel alloy plating film or a nickel-cobalt alloy plating film.
Preferably, the outer wall of the second cenosphere is provided with a conductive layer.
Preferably, the conductive layer is a nano conductive film.
Preferably, the hollow porous glass microspheres are spherical or irregularly shaped.
Compared with the prior art, the beneficial effects of the utility model are that: (1) the outer walls of the second hollow glass beads are coated with the nano conductive film, so that the antistatic capacity of the hollow glass beads is improved, and the phenomenon that the filling materials in the polymer material are not uniform due to mutual agglomeration among the glass beads is prevented; (2) the outer surface of the second hollow glass bead wrapped outside is porous, so that the outer surface area of the glass bead is increased, when the polymeric material is compounded, after coupling treatment is carried out, the polymerization strength of the joint of the two is increased, the glass bead is prevented from peeling off, meanwhile, the porous hollow glass bead has a certain sound absorption effect, and the hollow porous glass bead can be used as a filler of the sound-deadening and-insulating polymeric material by utilizing the sound insulation effect of the hollow glass bead.
Drawings
FIG. 1 is a schematic view of a hemispherical surface of a hollow porous glass bead according to the present invention;
fig. 2 is a schematic view of a cross-sectional structure of the hollow porous glass bead of the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail. As shown in fig. 1, the hollow porous glass microsphere comprises a first hollow microsphere 100 and a second hollow microsphere 200 arranged outside the first hollow microsphere, wherein the outer wall of the second hollow microsphere 200 is porous. The outer surface of the second hollow glass bead 200 wrapped outside is porous, so that the outer surface area of the glass bead is increased, and when the polymeric material is compounded, the polymerization strength of the joint of the two is increased after coupling treatment, so that the glass bead is prevented from peeling.
The porous hollow glass beads have certain sound absorption effect, and the first hollow glass beads 100 arranged in the porous hollow glass beads can attenuate sound waves and destroy intermolecular non-bond acting force to increase internal friction, so that the hollow glass beads used as fillers in the polymeric material vibrate along with the viscoelastic cross-linked grids, the relaxation and absorption effects of the material on sound energy are increased, and incident longitudinal waves are converted into shear waves which can be easily absorbed by a viscoelastic matrix; the scattering effect of the inner cavity of the first hollow microsphere 100 changes the propagation direction of incident longitudinal waves, the transmission path of sound waves is increased, and a better sound absorption effect is obtained; finally, first hollow microballon 100 itself still has cavity resonance sound absorption, can obtain better sound absorption effect to, the sound insulation effect that hollow glass microballon itself has makes this hollow porous glass microballon can regard as the filler use of amortization sound insulation polymeric material, improves the utility model discloses an application scope.
In one embodiment, as shown in FIG. 2, the first cenosphere 100 has a metal film layer or alloy film layer 110 on the outer wall. The metal film is a nickel coating film, a silver coating film or a copper coating film. The alloy film is an iron-nickel alloy coating film or a nickel-cobalt alloy coating film. The surface of the first hollow microsphere 100 is coated with a metal film or an alloy film, so that the hollow porous glass microsphere has the performance of absorbing electromagnetic waves and microwaves, and the application range of the utility model is widened.
In one embodiment, as shown in FIG. 2, the outer wall of the second cenosphere 200 is provided with a conductive layer 210. The conductive layer 210 is a nano conductive film, so that the antistatic capability of the hollow glass beads is improved, and the phenomenon that the filling materials in the polymer material are not uniform due to mutual agglomeration of the glass beads is prevented.
In one embodiment, the hollow porous glass microspheres are spherical or irregularly shaped.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (7)
1. A hollow porous glass bead is characterized in that: the hollow bead comprises a first hollow bead and a second hollow bead arranged outside the first hollow bead, wherein the outer wall of the second hollow bead is porous.
2. The hollow, porous glass microspheres of claim 1, wherein: and a metal film layer or an alloy film layer is arranged on the outer wall of the first hollow microsphere.
3. A hollow porous glass microbead according to claim 2, wherein: the metal film is a nickel coating film, a silver coating film or a copper coating film.
4. A hollow porous glass microbead according to claim 2, wherein: the alloy film is an iron-nickel alloy coating film or a nickel-cobalt alloy coating film.
5. The hollow, porous glass microspheres of claim 1, wherein: the outer wall of the second hollow microsphere is provided with a conductive layer.
6. The hollow, porous glass microspheres of claim 5, wherein: the conducting layer is a nano conducting film.
7. The hollow, porous glass microspheres of claim 1, wherein: the hollow porous glass bead is spherical or irregular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922408741.4U CN211199025U (en) | 2019-12-28 | 2019-12-28 | Hollow porous glass bead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922408741.4U CN211199025U (en) | 2019-12-28 | 2019-12-28 | Hollow porous glass bead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211199025U true CN211199025U (en) | 2020-08-07 |
Family
ID=71861446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922408741.4U Active CN211199025U (en) | 2019-12-28 | 2019-12-28 | Hollow porous glass bead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211199025U (en) |
-
2019
- 2019-12-28 CN CN201922408741.4U patent/CN211199025U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Gao et al. | Acoustic and dielectric properties of epoxy resin/hollow glass microsphere composite acoustic materials | |
| JP4024893B2 (en) | Conductive polytetrafluoroethylene articles | |
| Xu et al. | Tailorable, lightweight and superelastic liquid metal monoliths for multifunctional electromagnetic interference shielding | |
| Feng et al. | Microwave assisted sinter molding of polyetherimide/carbon nanotubes composites with segregated structure for high-performance EMI shielding applications | |
| Yang et al. | Robust microwave absorption in silver-cobalt hollow microspheres with heterointerfaces and electric-magnetic synergism: Towards achieving lightweight and absorption-type microwave shielding composites | |
| Cheng et al. | Flexible and lightweight MXene/silver nanowire/polyurethane composite foam films for highly efficient electromagnetic interference shielding and photothermal conversion | |
| EP3172734B1 (en) | Thermal interface material with mixed aspect ratio particle dispersions | |
| JP5538556B2 (en) | Resin foam containing fine hollow spheres | |
| US20100311866A1 (en) | Heirarchial polymer-based nanocomposites for emi shielding | |
| Fan et al. | Polyurethane/polydopamine/graphene auxetic composite foam with high-efficient and tunable electromagnetic interference shielding performance | |
| US20110265933A1 (en) | Laminated steel with compliant viscoelastic core | |
| CN211199025U (en) | Hollow porous glass bead | |
| CN111592684A (en) | Preparation method of isolated thermoplastic elastomer composite microporous electromagnetic shielding material | |
| Wang et al. | Scalable, superelastic, and superhydrophobic MXene/silver nanowire/melamine hybrid sponges for high-performance electromagnetic interference shielding | |
| CN114437396A (en) | Electromagnetic shielding composite foam with sandwich structure and preparation method thereof | |
| JP2019513203A (en) | Compressible gasket, method of manufacturing the same, and electronic product comprising the same | |
| Yang et al. | Superior electromagnetic shielding and mechanical buffering achieved by alternating conductive and porous supramolecular networks | |
| CN108046710B (en) | Self-repairing wave-absorbing thermal insulation mortar | |
| CN108463100B (en) | High-elasticity conductive foam | |
| KR100740175B1 (en) | Gasket for absorbing and shielding electron waves and Method for manufacturing gasket | |
| CN116265523A (en) | High-temperature-resistant anti-interference lightweight elastomer material and preparation method thereof | |
| CN112218511A (en) | Composite material, preparation method and application thereof | |
| CN115109369A (en) | Composite material, preparation method and application thereof | |
| CN113453526A (en) | Low-compression-stress electromagnetic shielding material and preparation method thereof | |
| JP4736517B2 (en) | Radio wave absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |