CN113652172B - Elastic abrasive and preparation method thereof - Google Patents
Elastic abrasive and preparation method thereof Download PDFInfo
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- CN113652172B CN113652172B CN202111093397.XA CN202111093397A CN113652172B CN 113652172 B CN113652172 B CN 113652172B CN 202111093397 A CN202111093397 A CN 202111093397A CN 113652172 B CN113652172 B CN 113652172B
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- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 85
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 60
- 238000009835 boiling Methods 0.000 claims abstract description 41
- 239000003082 abrasive agent Substances 0.000 claims abstract description 25
- 229920001971 elastomer Polymers 0.000 claims abstract description 14
- 239000000806 elastomer Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000012216 screening Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 9
- 229920000728 polyester Polymers 0.000 claims description 17
- 229920002635 polyurethane Polymers 0.000 claims description 17
- 239000004814 polyurethane Substances 0.000 claims description 17
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229920006345 thermoplastic polyamide Polymers 0.000 claims description 2
- 239000004636 vulcanized rubber Substances 0.000 claims description 2
- 230000005587 bubbling Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 20
- 238000000227 grinding Methods 0.000 abstract description 15
- 238000005498 polishing Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005507 spraying Methods 0.000 abstract description 2
- 229910003460 diamond Inorganic materials 0.000 description 11
- 239000010432 diamond Substances 0.000 description 11
- 229910010271 silicon carbide Inorganic materials 0.000 description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 229910052580 B4C Inorganic materials 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005488 sandblasting Methods 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229920002589 poly(vinylethylene) polymer Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1436—Composite particles, e.g. coated particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C11/00—Selection of abrasive materials or additives for abrasive blasts
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
Abstract
The invention discloses an elastic abrasive and a preparation method thereof, and relates to the field of abrasives. The elastic abrasive material consists of thermoplastic elastomer particles and hard abrasive materials, wherein the hard abrasive materials are adhered to the surfaces of the thermoplastic elastomer particles and can be used for workpiece surface spraying processing treatment, and the preparation method comprises the following steps: drying thermoplastic elastomer particles for 5 hours, adding a hard abrasive into a boiling bed, heating to a temperature higher than the thermal deformation temperature of the thermoplastic elastomer particles by 10-30 ℃, adding the thermoplastic elastomer particles into the boiling bed from an inlet opposite to the inlet for adding the hard abrasive, mixing with the heated abrasive for 5-20min, cooling, collecting, and screening by using a screen with a mesh larger than that of the hard abrasive and smaller than that of the elastomer particles to obtain the elastic abrasive. The equipment for preparing the elastic grinding material is simple, the process is simple, and the obtained elastic grinding material has uniform particles and good polishing effect.
Description
Technical Field
The invention relates to the field of abrasives, in particular to an elastic abrasive and a preparation method thereof.
Background
The sand blasting and polishing technology utilizes the power action of compressed air, high-pressure water and the like, and adopts a method of spraying abrasive materials to carry out surface treatment on precision devices, sapphire, printed circuit boards, irregular 3D surfaces and the like, so that the effects of removing burrs and rough edges and obtaining lower surface roughness can be achieved. At present, the abrasives adopted by the sand blasting and polishing technology mainly comprise a hard abrasive and an elastic abrasive, and compared with the hard abrasive, the elastic abrasive has the characteristics of capability of absorbing impact kinetic energy, difficulty in crushing and long service life. And after the elastic grinding material is contacted with a workpiece, the elastic grinding material can not scratch the treated surface due to elastic deformation, so that an ideal surface processing effect can be obtained more easily.
The elastic abrasive is usually prepared by mixing or mechanically blending an elastomer material and a hard abrasive, and the hard abrasive is uniformly distributed in and on the surface of the obtained elastic abrasive. The hard abrasive in the abrasive cannot contact the surface of a workpiece to perform grinding and polishing in the surface processing process, so that material waste is caused. Secondly, the adhesive is atomized and sprayed on the surface of the rolling soft carrier, then the hard grinding materials are mixed with the elastomer material adhered with the adhesive, and the hard grinding materials are compacted on the surface of the elastomer material through centrifugal force or impact force, but the adhesive in the method can easily cause the adhesion between the elastomers. Thirdly, the abrasive is pressed to the surface of the elastomer through the self-adhesion of the elastomer material and the action of airflow propulsion and centrifugal force in a specific device, but the method needs to adopt the elastomer with the self-adhesion, and needs to use a specific device for generating the airflow propulsion and the centrifugal force, and the production steps are complicated.
Disclosure of Invention
In order to solve the problems, the invention relates to an elastic grinding material and also provides a preparation method of the elastic grinding material.
Based on the purpose, the invention adopts the following technical scheme:
an elastic abrasive material is composed of thermoplastic elastomer particles and hard abrasive materials, wherein the hard abrasive materials are adhered to the surfaces of the thermoplastic elastomer particles, and the thermoplastic elastomer is any one of polyurethane thermoplastic elastomers, polyester thermoplastic elastomers, polyolefin thermoplastic elastomers, polyamide thermoplastic elastomers, halogen-containing thermoplastic elastomers, ionic thermoplastic elastomers and thermoplastic vulcanized rubber.
Preferably, the polyolefin thermoplastic elastomer is any one of a styrene thermoplastic elastomer, an ethylene copolymer thermoplastic elastomer, a 1,2 polybutadiene thermoplastic elastomer, and a trans-polyisoprene thermoplastic elastomer.
Preferably, the hard abrasive is one or more of diamond, cubic boron nitride, boron carbide, silicon carbide, tungsten carbide, alumina, zirconia, ceria, glass beads.
Preferably, the hard abrasive is one or more of diamond, boron carbide and silicon carbide.
Preferably, the thermoplastic elastomer particles have a particle size of 0.5 to 5mm and the hard abrasive particles have a particle size of 0.1 to 50 μm.
The preparation method of the elastic abrasive comprises the following steps:
(1) Drying the thermoplastic elastomer particles;
(2) Adding hard abrasive into a boiling bed, so that the hard abrasive is in a boiling state under the action of high-speed airflow, and heating to ensure that the temperature of the hard abrasive is 10-30 ℃ higher than the thermal deformation temperature of thermoplastic elastomer particles;
(3) Adding thermoplastic elastomer particles into a boiling bed, fully mixing with a heated abrasive, adhering a hard abrasive on the surfaces of the thermoplastic elastomer particles in a molten state, cooling, collecting and screening to obtain the elastic abrasive.
Further, in the step (3), a sieve having a mesh larger than the hard abrasive and smaller than the elastomer particle size is used for sieving.
Further, in the step (3), the thermoplastic elastomer particles and the heated hard abrasive are mixed for 5-20min.
Further, in the step (2) and the step (3), the hard abrasive and the thermoplastic elastomer particles are respectively added through two opposite-direction feeding ports of the boiling bed.
The invention has the beneficial effects that:
(1) According to the invention, the elastic abrasive is prepared only by using the thermoplastic elastomer particles and the hard abrasive as raw materials, the hard abrasive is heated to a temperature higher than the thermal deformation temperature of the elastomer particles, after the elastomer particles and the hard abrasive are mixed, the surfaces of the elastomer particles are melted due to heating of contact parts to generate an adhesion effect, the hard abrasive can be fixed without using a binder, and the raw materials are simple in composition; thermoplastic elastomers are widely available because they do not need to have self-adhesive properties.
(2) The invention uses the boiling bed as the mixing and heating reaction equipment, has convenient operation and high preparation efficiency. The thermoplastic elastomer particles and the hard abrasive are added from two opposite directions of the boiling bed, so that the impact effect of the thermoplastic elastomer particles and the hard abrasive can be increased, and meanwhile, under the pressure generated by high-speed airflow, the thermoplastic elastomer particles are favorably bonded and fixed to the hard abrasive, the adhesive force of the hard abrasive is improved, and the service life of the elastic abrasive is prolonged.
(3) When the elastic abrasive is prepared, the hard abrasive without the bonding effect covers the surfaces of the thermoplastic elastic particles, so that on one hand, the hard abrasive on the surfaces prevents different elastomer particles from being bonded, the prepared elastic abrasive is uniform and consistent in size, the hard abrasive is adhered compactly, the polishing efficiency of the elastic abrasive is improved, the service life of the elastic abrasive is prolonged, on the other hand, the hard abrasive is not mixed in the thermoplastic elastomer particles, the elastic effect of the elastic abrasive is not influenced in the injection processing process while the use amount of the hard abrasive is saved and the utilization rate of the hard abrasive is improved.
Drawings
FIG. 1 is an SEM image of a resilient abrasive of an example at 200 times magnification;
FIG. 2 is an SEM image of a resilient abrasive of the example at 3000 times magnification.
Detailed Description
The present invention will be described in detail with reference to examples.
Example one
An elastic abrasive composed of a polyurethane thermoplastic elastomer (TPU) having a particle size of 1mm and a diamond hard abrasive having a size of 8 μm, and prepared by the following method:
(1) Placing the polyurethane particles in a vacuum drier for fully drying for 5 hours;
(2) Adding diamond into the fluidized bed from a feeding port at the lower part of the fluidized bed, so that the hard grinding material is in a boiling state under the action of high-speed airflow, and heating to ensure that the temperature of the hard grinding material is 15 ℃ higher than the thermal deformation temperature of polyurethane particles;
(3) Adding polyurethane elastic particles into a boiling bed from a feeding port at the upper part of the boiling bed through high-speed airflow, boiling and mixing the polyurethane elastic particles with heated diamond hard abrasive for 15min under the action of the high-speed airflow, then flowing out of a discharging port of the boiling bed and cooling, collecting thermoplastic elastomer particles with the surfaces uniformly bonded with the hard abrasive, and screening by using a screen with screen holes of 0.8mm to obtain the elastic abrasive.
Example two
An elastic abrasive material is prepared from a polyurethane thermoplastic elastomer (TPU) having a particle size of 1mm and a diamond hard abrasive having a particle size of 2 μm by the steps of:
(1) Placing the polyurethane particles in a vacuum drier for fully drying for 5 hours;
(2) Adding diamond into the fluidized bed from a feeding port at the lower part of the fluidized bed, so that the hard grinding material is in a boiling state under the action of high-speed airflow, and heating to ensure that the temperature of the hard grinding material is 15 ℃ higher than the thermal deformation temperature of polyurethane particles;
(3) Adding polyurethane elastic particles into a boiling bed from a feeding port at the upper part of the boiling bed through high-speed airflow, boiling and mixing the polyurethane elastic particles with heated diamond hard abrasive for 10min under the action of the high-speed airflow, then flowing out of a discharging port of the boiling bed and cooling, collecting thermoplastic elastomer particles with the surfaces uniformly bonded with the hard abrasive, and screening by using a screen with screen holes of 0.8mm to obtain the elastic abrasive.
EXAMPLE III
An elastic abrasive material is prepared from a polyurethane thermoplastic elastomer (TPU) with a particle size of 1mm and a diamond hard abrasive material with a particle size of 2 mu m by the following steps:
(1) Placing the polyurethane particles in a vacuum drier for fully drying for 5 hours;
(2) Adding diamond into the fluidized bed from a feeding port at the lower part of the fluidized bed, so that the hard abrasive is in a boiling state under the action of high-speed airflow, and heating to ensure that the temperature of the hard abrasive is 10 ℃ higher than the thermal deformation temperature of polyurethane particles;
(3) Adding polyurethane elastic particles into a boiling bed from a feeding port at the upper part of the boiling bed through high-speed airflow, boiling and mixing the polyurethane elastic particles with heated diamond hard abrasive for 10min under the action of the high-speed airflow, then flowing out of a discharging port of the boiling bed and cooling, collecting thermoplastic elastomer particles with the surfaces uniformly bonded with the hard abrasive, and screening by using a screen with screen holes of 0.8mm to obtain the elastic abrasive.
Example four
An elastic abrasive material is prepared from a polyester thermoplastic elastomer (TPEE) with a particle size of 0.5mm and a silicon carbide hard abrasive material with a particle size of 0.1 mu m by the following steps:
(1) Fully drying the polyester granules in a vacuum drier for 5 hours;
(2) Adding silicon carbide into the fluidized bed from a feed inlet at the lower part of the fluidized bed, so that the hard abrasive is in a boiling state under the action of high-speed airflow, and heating to ensure that the temperature of the hard abrasive is 10 ℃ higher than the thermal deformation temperature of the polyester particles;
(3) Adding polyester elastic particles into a boiling bed from a feeding port at the upper part of the boiling bed through high-speed airflow, boiling and mixing the polyester elastic particles with heated silicon carbide hard abrasive for 20min under the action of the high-speed airflow, then flowing out of a discharging port of the boiling bed and cooling, collecting thermoplastic elastomer particles with the surfaces uniformly bonded with the hard abrasive, and screening by using a screen with a screen hole of 0.4mm to obtain the elastic abrasive.
EXAMPLE five
An elastic abrasive material is prepared from a polyester thermoplastic elastomer (TPEE) with a particle size of 0.5mm and a silicon carbide hard abrasive material with a particle size of 1 mu m by the following steps:
(1) Fully drying the polyester granules in a vacuum drier for 5 hours;
(2) Adding silicon carbide into the fluidized bed from a feed inlet at the lower part of the fluidized bed, so that the hard abrasive is in a boiling state under the action of high-speed airflow, and heating to ensure that the temperature of the hard abrasive is 15 ℃ higher than the thermal deformation temperature of the polyester particles;
(3) Adding polyester elastic particles into a boiling bed from a feeding port at the upper part of the boiling bed through high-speed airflow, boiling and mixing the polyester elastic particles with heated silicon carbide hard abrasive for 15min under the action of the high-speed airflow, then flowing out of a discharging port of the boiling bed, cooling, collecting thermoplastic elastomer particles with the surfaces uniformly bonded with the hard abrasive, and screening by using a screen with screen holes of 0.4mm to obtain the elastic abrasive.
Example six
An elastic abrasive material is prepared from a polyester thermoplastic elastomer (TPEE) with the particle size of 5mm and a boron carbide hard abrasive material with the particle size of 50 mu m by the following steps:
(1) Fully drying the polyester granules in a vacuum drier for 5 hours;
(2) Adding boron carbide into the fluidized bed from a feed inlet at the lower part of the fluidized bed, so that the hard grinding material is in a boiling state under the action of high-speed airflow, and heating to ensure that the temperature of the hard grinding material is 30 ℃ higher than the thermal deformation temperature of polyester particles;
(3) Adding polyester elastic particles into a boiling bed from a feeding port at the upper part of the boiling bed through high-speed airflow, boiling and mixing the polyester elastic particles with heated boron carbide hard abrasive for 5min under the action of the high-speed airflow, then flowing out of a discharging port of the boiling bed and cooling, collecting thermoplastic elastomer particles with the surfaces uniformly bonded with the hard abrasive, and screening by using a sieve with 4mm of sieve pores to obtain the elastic abrasive.
The elastic abrasive products obtained in examples 1 to 3 and 6 were subjected to sand blasting and polishing on zirconia ceramics, the elastic abrasive products obtained in examples 4 to 5 were subjected to sand blasting and polishing on stainless steel, and roughness was measured on the polishing effect by a surface roughness meter before and after polishing, with the results shown in the following table:
the roughness comparison shows that the surface roughness of the zirconium oxide ceramic and the stainless steel treated by the elastic abrasive prepared by the invention is obviously reduced. The comparison of examples 1 and 2, 4 and 5 shows that the smaller the particle size of the hard abrasive, the smaller the roughness of the surface of the material after the spray processing; comparison of examples 2 and 3 shows that, when the hard abrasive particles are the same size, the higher the temperature in the ebullated bed is than the heat distortion temperature of the thermoplastic elastomer, the smaller the surface roughness of the zirconia ceramic after processing.
SEM analysis of the elastic abrasive prepared in the first example shows that, when the magnification is 200 times, the particles of the elastic abrasive are uniform and no bonding occurs between the particles, which shows that when the elastic abrasive prepared by the method of the present invention is used, the thermoplastic elastic particles are wrapped after the hard abrasive is adhered to the surface, and the bonding and agglomeration between the particles are avoided. When the magnification is 3000 times, as shown in fig. 2, the surface of the elastic abrasive is densely covered by the hard abrasive, which indicates that the hard abrasive is attached to the surface of the thermoplastic elastic particles in a large amount, which is beneficial to obtaining higher processing efficiency and longer service life when the elastic abrasive is used for surface treatment.
Claims (4)
1. A method for preparing an elastic abrasive, characterized by comprising the steps of:
(1) Fully drying the thermoplastic elastomer particles; the thermoplastic elastomer is any one of polyurethane thermoplastic elastomer, polyester thermoplastic elastomer, polyolefin thermoplastic elastomer, polyamide thermoplastic elastomer, halogen-containing thermoplastic elastomer, ionic thermoplastic elastomer and thermoplastic vulcanized rubber;
(2) Adding hard abrasive into a boiling bed, so that the hard abrasive is in a boiling state under the action of high-speed airflow, and heating until the temperature of the hard abrasive is 10-30 ℃ higher than the thermal deformation temperature of thermoplastic elastomer particles;
(3) Adding thermoplastic elastomer particles into a boiling bed, fully mixing with heated hard abrasive, adhering the hard abrasive to the surfaces of the thermoplastic elastomer particles in a molten state, cooling, collecting and screening to obtain elastic abrasive;
the particle size of the thermoplastic elastomer particles is 0.5-5mm, and the particle size of the hard abrasive is 0.1-50 mu m.
2. A process for producing a resilient abrasive material according to claim 1, wherein in the step (3), the screening is carried out by using a screen having a mesh size larger than that of the hard abrasive material and smaller than that of the elastomer particle.
3. A method of making a resilient abrasive material according to claim 2, wherein in step (3), the thermoplastic elastomer particles are mixed with the heated hard abrasive material for a period of time in the range of 5 to 20 minutes.
4. A method of producing a resilient abrasive material as claimed in claim 3, wherein in steps (2) and (3), the hard abrasive material and the thermoplastic elastomer particles are separately fed through two oppositely directed feed ports of said bubbling bed.
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| CA2181103A1 (en) * | 1995-07-25 | 1997-01-26 | Donald A. Seil | Non-agglomerating elastomeric particles |
| KR100709587B1 (en) * | 2004-11-11 | 2007-04-20 | 가부시끼가이샤 후지세이사쿠쇼 | Abrasive, a method for manufacturing the abrasive, and a method for blast processing with the use of the abrasive |
| JP2013094492A (en) * | 2011-11-02 | 2013-05-20 | Hoshizaki Electric Co Ltd | Rack for trumpet-shaped tubular instrument |
| US9186775B2 (en) * | 2011-12-21 | 2015-11-17 | Fuji Manufacturing Co., Ltd. | Method for producing elastic grinding material, elastic grinding material, and blasting method using said elastic grinding material |
| JP7303535B2 (en) * | 2019-03-06 | 2023-07-05 | 株式会社不二製作所 | POWDER CONTACT MEMBER AND POWDER CONTACT MEMBER SURFACE TREATMENT METHOD |
| JP6886734B1 (en) * | 2020-02-20 | 2021-06-16 | 株式会社不二製作所 | Elastic Abrasive Manufacturing Method, Elastic Abrasive Manufacturing Equipment, Blasting Method, and Blasting Equipment |
| CN112008609A (en) * | 2020-09-04 | 2020-12-01 | 深圳市鑫意晟科技有限公司 | Core-shell abrasive jet polishing method |
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Application publication date: 20211116 Assignee: Shanxi Jingang New Materials Co.,Ltd. Assignor: He'nan University of Technology Contract record no.: X2023980038700 Denomination of invention: An elastic abrasive and its preparation method Granted publication date: 20221021 License type: Common License Record date: 20230728 |