CN1269880C - Magnesite block containing wear-resistant polymer particles for grinding construction materials and its production - Google Patents
Magnesite block containing wear-resistant polymer particles for grinding construction materials and its production Download PDFInfo
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- CN1269880C CN1269880C CN 200410051461 CN200410051461A CN1269880C CN 1269880 C CN1269880 C CN 1269880C CN 200410051461 CN200410051461 CN 200410051461 CN 200410051461 A CN200410051461 A CN 200410051461A CN 1269880 C CN1269880 C CN 1269880C
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Abstract
The present invention relates to an abrasive magnesite block with high molecular wear resistant particles, which mainly solves the technical problem that the utilization rate of a silicon-carbide abrasive material in the abrasive magnesite block is improved. Waste materials which is ground by a grinding machine can be greatly reduced so that the present invention is beneficial to environmental protection; thus, high molecular wear resistant particles of which the weight percentage is 3-65% are added into base materials of the present abrasive magnesite block, and the wear resistant particles are grinding materials and a binding agent. The binding agent is mainly composed of polyolefin plastics, unsaturated polyester resin or phenolic resin, and a hardening agent, an additive agent and a filling material can be also added. The method for manufacturing the abrasive magnesite block with the high molecular wear resistant particles comprises the following steps that high molecular wear resistant particles are prepared; 3 to 65 % (weight percentage) of high molecular wear resistant particles are added into slurry materials of base materials of the abrasive magnesite block, and then are uniformly stirred into mixing slurry materials; the mixing slurry materials are poured into a plastic mould so as to react and to be solidified, and a finished product can be obtained after the demoulding.
Description
Technical field
The present invention relates to material of construction grinding tool technical field, particularly a kind of material of construction grinding is used contains high molecular abrasion-proof particulate magnesia abrading block and manufacture method thereof.
Background technology
Existing application is to be that the magnesium oxide of 42-57%, the carbonization silica sand that the 30-35% magnesium chloride solution is wedding agent, 8-28% are done abrasive material with the weight percent in the magnesia abrading block of floor tile and stone material and devitrified glass grinding-polishing, through mixing pulping, casting, natural reaction solidifies, and deposits more than 15 days and could use.This abrading block has the following disadvantages:
(1) the abrasive material silicon carbide sand that price is the most expensive, utilization ratio is low, this is because wedding agent is little to particle and adhesive power surperficial comparatively slick and sly silicon carbide sand is not strong, the abrading block moulding only depends on natural reaction to solidify, therefore its abrasive material breaks away from the abrading block water that is cooled easily and washes away, utilization ratio less than 50%, waste are greatly.
(2) the abrading block durability is low, and every abrading block was only just scrapped about 2 hours in the machine grinding time.Because abrading block duration of service is short, need frequently to change, wasted the time, water power, grinding machine often flogs a dead horse, and has increased working strength of workers again.
(3) abrasive material can not be formed firm integral body because employed glue connects mixture, abrading block is stressed in grinding process, under the effect of rotating speed, belt pressure, add the frictional force of adobe, caused the abrading block abrasive material fast mill take off.Calculate by 28 grinding machines, per hour directly abrasion are 84 kilograms of dry sand powder, add water coolant, then per hour are no less than 250 kilograms of mortars and discharge, and contaminate environment is brought serious environmental issue.
Summary of the invention
The technical problem to be solved in the present invention is: (1) improves the utilization ratio of silicon carbide abrasive in the magnesia abrading block, thereby improves its durability; (2) waste material under the machine grinding is ground will reduce significantly than the magnesia abrading block of original employing, thereby has significantly reduced industrial pollution, helps environmental protection.
Technical solution proposed by the invention is such: the magnesia abrading block of the pbz polymer abrasion resistant particles that a kind of material of construction grinding is used, by weight percent is that carbonization silica sand that the magnesium chloride solution of the magnesium oxide of 42-57% and 30-35% is wedding agent, 8-28% is done abrasive material and is prepared into magnesia abrading block base-material, and the chemical composition that is added with high molecular abrasion-proof particulate magnesia abrading block is (weight percent):
Magnesia abrading block base-material 35-97%, high molecular abrasion-proof particle 3-65%.
Above-mentioned high molecular abrasion-proof particulate chemical composition is (weight percent):
Abrasive material 5-79%; Wedding agent 21-95%.
The chemical composition of above-mentioned high molecular abrasion-proof particulate abrasive material is (weight percent):
Silicon carbide 80-100%; Palm fibre corundum particles or powder 0-20%.
Above-mentioned high molecular abrasion-proof particulate wedding agent is mainly polyolefins plastics or unsaturated polyester resin or resol.
In above-mentioned high molecular abrasion-proof particulate wedding agent, also add stiffening agent and/or additive and/or stopping composition are arranged.
Described stiffening agent mainly contains bird Lip river tropine or methylethyl ketone peroxide or cyclohexanone peroxide, and accounting for this high molecular abrasion-proof particulate weight percent is 0-12%.
Described additive mainly contains Sunmorl N 60S or water or trolamine or cobalt octoate or cobalt naphthenate, and accounting for this high molecular abrasion-proof particulate weight percent is 0-8%.
The chemical composition of described stopping composition is (a stopping composition weight percent):
Magnesium oxide 0-23%, lime carbonate 0-16%, quartz sand (powder) 0-18%, copper powder 0-39%, aluminium powder 0-12%, 663 bronze powder 0-39%, iron powder 0-18%, ground barium sulfate 0-32%, fluorite powder 0-26%, talcum powder 0-22%, sodium-chlor 0-5%, bariumchloride 0-5%;
It is 0-62% that above-mentioned stopping composition accounts for this high molecular abrasion-proof particulate weight percent.
Adopt different wedding agents to make high molecular abrasion-proof particulate concrete grammars and processing step also can be different, be described below respectively:
(1) be that the high molecular abrasion-proof granule manufacture processing step of wedding agent is mainly with the polyolefins plastics:
1. additive, stopping composition and stiffening agent are milled to 80-600 order granularity by said ratio is mixed with ball mill;
2. by the abrasive material of the corresponding granularity of said ratio weighing, it is wetting evenly abrasive material to add entry by proportioning, more above-mentioned batching, wedding agent and wetting good abrasive material is mixed, and mixes thoroughly with mixer;
3. the above-mentioned batching that mixes is joined (the fusion plastification temperature range is 155 ℃-205 ℃) behind the extruder barrel fusion plastification, 'go'gage is that the extrusion of φ 3-20mm is extruded into naturally cooling behind the strip plastics;
4. above-mentioned cooled strip plastics are become as required a certain size particle with crusher in crushing, its particle volume scope is 1mm
3-3500mm
3
(2) main is that the high molecular abrasion-proof granule manufacture processing step of wedding agent is with the unsaturated polyester resin:
1. solid filler is milled to 80-600 order granularity by said ratio is mixed with ball mill, evenly mixed with the abrasive material of corresponding granularity again by said ratio;
2. press unsaturated polyester resin, additive and the stiffening agent of said ratio weighing liquid state, mixing and stirring;
3. above-mentioned mixed uniform solid filler and abrasive material are joined in the liquid unsaturated polyester resin and stir, the back that stirs is reacted fixed moulding to mixed slurry injection moulding mould;
4. will react mixture after the fixed moulding and become a certain size particle as required with crusher in crushing, its particle volume scope is 1mm
3-3500mm
3
(3) main is that the high molecular abrasion-proof granule manufacture processing step of wedding agent is with resol:
1. select the stopping composition and the stiffening agent of 80-600 order granularity evenly mixed by said ratio;
2. mix by the abrasive material and the additive of said ratio corresponding granularity;
3. with in the above-mentioned stopping composition that mixes, the abrasive material that stiffening agent joins to mix with additive, mix, add phenol-formaldehyde resin powder by said ratio again, and mix;
4. the above-mentioned solid material that mixes is added to compression moulding die hot pressing (the hot pressing temperature scope is 150 ℃-190 ℃) moulding;
5. the mixture that is pressed into is become as required a certain size particle with crusher in crushing, its particle volume scope is 1mm
3-3500mm
3
The manufacture method and the processing step of the magnesia abrading block of the pbz polymer abrasion resistant particles that a kind of building materials grinding is used are:
(1) preparation high molecular abrasion-proof particle;
(2) in the slurry of previously prepared magnesia abrading block base-material, add the high molecular abrasion-proof particle of 3-65% (weight percent) and be stirred into mixed slurry;
(3) above-mentioned mixed slurry is poured into treats in the mould of plastics that its reaction solidifies, obtain finished product after the demoulding.
Fig. 1 becomes grinding tool for the high molecular abrasion-proof particle with magnesia abrading block base-material slurry hybrid process, base-material 2 is used for constituting abrading block with the high molecular abrasion-proof particle 1 that adds after natural reaction solidifies.High molecular abrasion-proof particle 1 among Fig. 1 is that to be broken into volume be 1mm
3-3500mm
3Particle with can natural reaction solidified magnesia abrading block base-material constitute this abrading block.Plastics deck 3 is used for abrading block is fixed on the head of grinding machine.
High molecular abrasion-proof particle its volume range after fragmentation with the aforesaid method manufacturing is 1mm
3-3500mm
3, it is shaped as irregularly shaped.
In above-mentioned high molecular abrasion-proof particle, add stopping composition in order that reduce manufacturing cost and adjust high molecular abrasion-proof particulate correlated performance, for example: intensity, resistance toheat, grinding performance etc.
The adding of additive helps and the material mixing or the moulding of making in the wear-resisting polymeric particles process.
The adding of stiffening agent helps polymer wedding agent crosslinking curing, strengthens cohesive force and the high molecular abrasion-proof particulate hardness of wedding agent to abrasive material, thereby keeps the polymeric particles stability of structure.
Compared with prior art, the present invention has following unusual effect:
(1) the present invention uses the polymer wedding agent can make silicon carbide abrasive and subsidiary material form firm integral body, improved the durability of abrading block, every sintering grinding block was brought up to 3-10 hour in the machine grinding time by original about about 2 hours, significantly reduce the number of times of changing abrading block, improved the utilization ratio of equipment for grinding.
(2) improved the utilization ratio of silicon carbide abrasive particles, brought up to more than 70% from original less than 50%; Meanwhile, the waste material under the machine grinding is ground has significantly reduced the manufacturing district pollution than original about reduction by 50% more than, helps environmental protection.
The utility model is mainly used in the grinding-polishing of material of construction such as floor tile, stone material, devitrified glass.
Description of drawings
Fig. 1 is the grinding tool stereographic map that the plastic mounting card is housed that a kind of high molecular abrasion-proof particle of the present invention and magnesia abrading block base-material magnesium oxide, magnesium chloride solution, silicon carbide hybrid reaction are consolidated into.
Embodiment
By following embodiment the present invention is further elaborated.
Embodiment 1:
One, preparation high molecular abrasion-proof particle:
(1) high molecular abrasion-proof particle chemical composition (weight percent):
Abrasive material: silicon carbide 5%;
Wedding agent: acrylic plastering 95%;
(2) preparation high molecular abrasion-proof particulate processing step:
1. by said ratio abrasive material and wedding agent are mixed, mix thoroughly with mixer;
2. the above-mentioned batching that mixes is slowly joined extruder barrel, through the pre-heat fusing of barrel, behind the spiro rod plasticizing, be extruded into strip plastics mixture by discharge port, barrel temperature is between 160 ℃-180 ℃, screw speed is at 25-60 rev/min, and the discharge port bore is selected between φ 6-15mm as required;
3. after treating above-mentioned strip plastics mixture cooling of extruding, with crusher plastic strip being broken into particle diameter is that the plastic grain of 6-10mm is above-mentioned high molecular abrasion-proof particle.
Two, the manufacturing technology steps that adds above-mentioned high molecular abrasion-proof particulate magnesia abrading block:
1. above-mentioned high molecular abrasion-proof particle is joined in the slurry (its weight percent is 97%) of making magnesia abrading block base-material by 3% (weight percent) and stir;
2. above-mentioned mixed slurry is poured into and treats in the mould of plastics that slurry reaction solidifies, and obtains finished product, referring to shown in Figure 1 after the demoulding.
One, preparation high molecular abrasion-proof particle:
(1) high molecular abrasion-proof particle chemical composition (weight percent):
Abrasive material: silicon carbide 21%; Palm fibre corundum 1%;
Wedding agent: acrylic plastering 46%;
Stopping composition 20%, its chemical composition are (stopping composition weight percent): fluorite 69%, ground barium sulfate 22%, silica powder 3%, talcum powder 6%;
Additive: Sunmorl N 60S 1.5%; Water 1.5%;
Stiffening agent: urotropine 9%.
. (2) make high molecular abrasion-proof particulate processing step:
At first, stopping composition, stiffening agent and additive are milled to 600 order fineness (use the back of can sieving if raw material material granularity is narrower than 600 orders, without ball milling) by said ratio is mixed with ball mill;
Following steps and example 1 are that screw speed will be transferred in 25-45 rev/min together, and the discharge port bore also will increase in the 8-16mm scope, and the plastic grain particle diameter after the fragmentation is 8-12mm.
Two, the processing step of the above-mentioned high molecular abrasion-proof particulate magnesia abrading block of manufacturing adding and example 1 are same, and different is that the high molecular abrasion-proof grain amount that adds is 15% (weight percent).
Embodiment 3:
One, preparation high molecular abrasion-proof particle:
(1) high molecular abrasion-proof particle chemical composition (weight percent):
Abrasive material: silicon carbide 43%;
Wedding agent: 196 unsaturated polyester resins 30%;
Stopping composition: 26.55%, its chemical composition is (a stopping composition weight percent): magnesium oxide 50%, lime carbonate 25%, silica powder 22%, sodium-chlor 3%;
Additive: cobalt octoate 0.15%;
Stiffening agent: methylethyl ketone peroxide 0.3%.
(2) make above-mentioned high molecular abrasion-proof particulate processing step:
1. the stopping composition and the abrasive material of 100 order granularities is evenly mixed by said ratio;
2. by said ratio weighing 196 unsaturated polyester resin liquid, additive and stiffening agent, additive add stir in the 196 unsaturated polyester resin liquid after, add stiffening agent again and stir;
3. the stopping composition of said ratio and abrasive material are joined in 196 unsaturated polyester resins that 2. step prepared and stir, the back that stirs is mixed slurry injection moulding mould;
4. after the fixed moulding of slurry reaction to be mixed, the mixed with resin body of gained has been taken off mould, with crusher it being broken into particle diameter again is that the particle of 6-10mm is above-mentioned high molecular abrasion-proof particle.
Two, make to add above-mentioned wear-resisting polymeric particles the magnesia abrading block processing step and example 1 with, just the high molecular abrasion-proof grain amount of adding is 45% (weight percent).
Embodiment 4:
One, preparation high molecular abrasion-proof particle:
(1) high molecular abrasion-proof particle chemical composition (weight percent):
Abrasive material: silicon carbide 42%, brown corundum 11%;
Wedding agent: 196 unsaturated polyester resins 39%;
Stopping composition: 7.1%, its chemical composition is (a stopping composition weight percent): magnesium oxide 98%, bariumchloride 2%;
Additive: cobalt naphthenate 0.3%;
Stiffening agent: cyclohexanone peroxide 0.6%.
(2) make high molecular abrasion-proof particulate processing step and example 3 together.
Two, the processing step that make to add above-mentioned high molecular abrasion-proof particulate magnesia abrading block and example 1 with, just the high molecular abrasion-proof grain amount of adding is 55% (weight percent).
Embodiment 5:
One, preparation high molecular abrasion-proof particle:
(1) high molecular abrasion-proof particle chemical composition (weight percent):
Abrasive material: silicon carbide 35%;
Wedding agent: phenol-formaldehyde resin powder 23%;
Stopping composition: 38.5%, its chemical composition is (a stopping composition weight percent): copper powder 60%, iron powder 20%, aluminium powder 10%, silica powder 10%;
Additive: trolamine 1.5%;
Stiffening agent: urotropine 2%.
(2) make above-mentioned high molecular abrasion-proof particulate processing step:
1. additive and abrasive material is evenly mixed by said ratio;
2. by each stopping composition of said ratio weighing, stopping composition is added in the abrasive material of mixed additive and stir;
3. weighing step 2. materials mixed adds in the mould hot-formingly, and mold temperature is between 165-175 ℃, and compact density is at 2.66-2.72g/cm
3Between, hot pressing time is 20-30 minute;
4. the mixed with resin body that is pressed into is deviate from mould, with crusher it being broken into particle diameter again is that the particle of 6-15mm is above-mentioned high molecular abrasion-proof particle.
Two, make to add above-mentioned wear-resisting polymeric particles the magnesia abrading block processing step and example 1 with, just the high molecular abrasion-proof grain amount of adding is 30% (weight percent).
Embodiment 6:
One, preparation high molecular abrasion-proof particle:
(1) high molecular abrasion-proof particle chemical composition (weight percent):
Abrasive material: silicon carbide 23%;
Wedding agent: phenol-formaldehyde resin powder 21%;
Stopping composition: 52.5%, its chemical composition is (a stopping composition weight percent): copper powder 50%, 663 bronze powder 44%, silica powder 6%;
Additive: trolamine 1.5%;
Stiffening agent: urotropine 2%.
(2) the above-mentioned high molecular abrasion-proof particulate processing step of manufacturing is identical with example 5, and just the compact density scope of mixed with resin body changes 2.93-2.99g/cm into
3Between.
Two, the processing step that make to add above-mentioned high molecular abrasion-proof particulate magnesia abrading block and example 1 with, just the high molecular abrasion-proof grain amount of adding is 65% (weight percent).
Embodiment 7:
One, preparation high molecular abrasion-proof particle:
(1) high molecular abrasion-proof particle chemical composition (weight percent):
Abrasive material: silicon carbide 21%;
Wedding agent: phenol-formaldehyde resin powder 79%;
(2) the above-mentioned high molecular abrasion-proof particulate processing step of manufacturing is identical with example 5, and just the compact density of mixed with resin body changes at 2.38-2.44g/cm
3Between, mold temperature is between 180-185 ℃, and hot pressing time is 25-35 minute.
Two, the processing step that make to add above-mentioned high molecular abrasion-proof particulate magnesia abrading block and example 1 with, just the high molecular abrasion-proof grain amount of adding is 20% (weight percent).
Figure 1 shows that the random high molecular abrasion-proof particle after the fragmentation combines natural reaction and is consolidated into grinding tool with magnesium oxide, the composite inorganic bonding agent of magnesium chloride solution.Because the random and rough surface of high molecular abrasion-proof particle shape after the fragmentation can firmly combine the high molecular abrasion-proof particle with inorganic bonding agent, and the polymer wedding agent can be controlled abrasive material well, make abrading block give full play to the ground effect of abrasive material, the effect that reach wear-resisting, stock-removing efficiency is high.
Claims (12)
1, the magnesia abrading block of the pbz polymer abrasion resistant particles used of a kind of material of construction grinding, by weight percent is that carbonization silica sand that the magnesium chloride solution of the magnesium oxide of 42-57% and 30-35% is wedding agent, 8-28% is done abrasive material and is prepared into magnesia abrading block base-material, and it is characterized in that: the chemical composition that is added with high molecular abrasion-proof particulate magnesia abrading block is:
Magnesia abrading block base-material 35-97%, high molecular abrasion-proof particle 3-65%; Above-mentioned per-cent is weight percentage.
2, the magnesia abrading block of pbz polymer abrasion resistant particles according to claim 1 is characterized in that: described high molecular abrasion-proof particulate chemical composition is expressed as with weight percent:
Abrasive material 5-79%; Wedding agent 21-95%; Above-mentioned per-cent is weight percentage.
3, the magnesia abrading block of pbz polymer abrasion resistant particles according to claim 2 is characterized in that: the chemical composition of abrasive material is in the described high molecular abrasion-proof particle:
Silicon carbide 80-100%; Palm fibre corundum particles or powder 0-20%; Above-mentioned per-cent is weight percentage.
4, the magnesia abrading block of pbz polymer abrasion resistant particles according to claim 2 is characterized in that: described high molecular abrasion-proof particulate wedding agent is polyolefins plastics or unsaturated polyester resin or resol.
5, the magnesia abrading block of pbz polymer abrasion resistant particles according to claim 4 is characterized in that: described high molecular abrasion-proof particulate wedding agent also adds stiffening agent and/or additive and/or stopping composition.
6, the magnesia abrading block of pbz polymer abrasion resistant particles according to claim 5 is characterized in that: described stiffening agent is urotropine or methylethyl ketone peroxide or cyclohexanone peroxide, and accounting for this high molecular abrasion-proof particulate weight percent is 0-12%.
7, the magnesia abrading block of pbz polymer abrasion resistant particles according to claim 5 is characterized in that: described additive is Sunmorl N 60S or water or trolamine or cobalt octoate or cobalt naphthenate, and accounting for this high molecular abrasion-proof particulate weight percent is 0-8%.
8, the magnesia abrading block of pbz polymer abrasion resistant particles according to claim 5, it is characterized in that: the chemical composition of described stopping composition is:
Magnesium oxide 0-23%, lime carbonate 0-16%, quartz sand powder 0-18%, copper powder 0-39%, aluminium powder 0-12%, 663 bronze powder 0-39%, iron powder 0-18%, ground barium sulfate 0-32%, fluorite powder 0-26%, talcum powder 0-22%, sodium-chlor 0-5% or bariumchloride 0-5%, above-mentioned per-cent is weight percentage;
It is 0-62% that above-mentioned stopping composition accounts for this high molecular abrasion-proof particulate weight percent.
9, the magnesia abrading block of pbz polymer abrasion resistant particles according to claim 4 is characterized in that: with the polyolefins plastics is that the high molecular abrasion-proof granule manufacture processing step of wedding agent is:
(1) additive, stopping composition and stiffening agent are milled to 80-600 order granularity by the mixing of proportioning described in the claim 6 to 8 with ball mill;
(2) by the abrasive material of the corresponding granularity of the described proportioning weighing of claim 3, it is wetting evenly abrasive material to add entry by proportioning, more above-mentioned batching, wedding agent and wetting good abrasive material is mixed, and mixes thoroughly with mixer;
(3) the above-mentioned compound that mixes is joined the extruder barrel fusion plastification, the fusion plastification temperature range is 155 ℃-205 ℃, and then, 'go'gage is that the extrusion of 3-20mm is extruded into naturally cooling behind the strip plastics;
(4) above-mentioned cooled strip plastics are become particle with crusher in crushing as required, its particle volume scope is 1mm
3-3500mm
3
10, the magnesia abrading block of pbz polymer abrasion resistant particles according to claim 4 is that the high molecular abrasion-proof granule manufacture processing step of wedding agent is with the unsaturated polyester resin:
(1) solid filler is milled to 80-600 order granularity by the described proportioning mixing of claim 8 with ball mill, the abrasive material with corresponding granularity mixes by the described proportioning of claim 3 again;
(2) by unsaturated polyester resin, additive and the stiffening agent of claim 2,6 and 7 described proportioning weighing liquid state, mixing and stirring;
(3) the above-mentioned solid filler that mixes and abrasive material are joined in the liquid unsaturated polyester resin stir, the back that stirs is reacted fixed moulding to mixed slurry injection moulding mould;
(4) mixture that will react after the fixed moulding becomes particle with crusher in crushing as required, and its particle volume scope is 1mm
3-3500mm
3
11, the magnesia abrading block of pbz polymer abrasion resistant particles according to claim 4 is characterized in that: the high molecular abrasion-proof granule manufacture processing step that with resol is wedding agent is:
(1) select the stopping composition of 80-600 order granularity and stiffening agent to mix by claim 6 and 8 described proportionings;
(2) mix by claim 3 and 7 described proportionings abrasive material and additive corresponding granularity;
(3) with in the above-mentioned stopping composition that mixes, the abrasive material that stiffening agent joins to mix with additive, mix, add phenol-formaldehyde resin powder by the described proportioning of claim 2 again, and mix;
(4) it is hot-forming the above-mentioned solid material that mixes to be added to compression moulding die, and its hot pressing temperature scope is 150 ℃-190 ℃;
(5) mixture that is pressed into is become particle with crusher in crushing as required, its particle volume scope is 1mm
3-3500mm
3
12, the manufacture method of the magnesia abrading block of the pbz polymer abrasion resistant particles used of building materials grinding according to claim 1, it is characterized in that: described step of preparation process is:
(1) preparation high molecular abrasion-proof particle;
(2) add the high molecular abrasion-proof particle of 3-65% and be stirred into mixed slurry in the slurry of previously prepared magnesia abrading block base-material, above-mentioned per-cent is weight percentage;
(3) above-mentioned mixed slurry is poured into treats in the mould of plastics that its reaction solidifies, obtain finished product after the demoulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410051461 CN1269880C (en) | 2004-09-09 | 2004-09-09 | Magnesite block containing wear-resistant polymer particles for grinding construction materials and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410051461 CN1269880C (en) | 2004-09-09 | 2004-09-09 | Magnesite block containing wear-resistant polymer particles for grinding construction materials and its production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1613896A CN1613896A (en) | 2005-05-11 |
| CN1269880C true CN1269880C (en) | 2006-08-16 |
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| CN100434237C (en) * | 2006-06-17 | 2008-11-19 | 吴思德 | Magnesite abrasive wheel for grinding stainless steel and method for manufacturing same |
| CN106244109B (en) * | 2016-07-12 | 2017-11-10 | 燕山大学 | Preparation method using magnesia as the diadust granule of binding agent |
| CN111763065A (en) * | 2020-06-02 | 2020-10-13 | 鄂州市兴方磨具有限公司 | Magnesite rice milling grinding wheel and manufacturing method thereof |
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