CN106956222A - A kind of mandruka composite diamond grinding pellet of use gum cement and preparation method thereof - Google Patents
A kind of mandruka composite diamond grinding pellet of use gum cement and preparation method thereof Download PDFInfo
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- CN106956222A CN106956222A CN201710160222.3A CN201710160222A CN106956222A CN 106956222 A CN106956222 A CN 106956222A CN 201710160222 A CN201710160222 A CN 201710160222A CN 106956222 A CN106956222 A CN 106956222A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/22—Rubbers synthetic or natural
- B24D3/26—Rubbers synthetic or natural for porous or cellular structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
- B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
Abstract
Pellet and preparation method thereof is ground the present invention relates to a kind of mandruka composite diamond of use gum cement, and the mandruka composite diamond grinding pellet is that the caoutchouc elasticity containing continuous pore is combined complex and composite particles and is combined as a whole the pellet with spongy tiny continuous pore tissue.By diamond abrasive, additive, stomata generating agent, resinoid bond is mixed, then it is sintered in stove and fuses under melting temperature, Compostie abrasive particles are made, this Compostie abrasive particles and rubber, vulcanizing agent, vulcanization aid is mixed, and is added in rubber mixing machine and is kneaded, and batch mixing is compressed to pellet, obtained after finally vulcanizing aftershaping, cooling.Advantage：Because there is continuous tiny stomata, therefore it is not easily blocked during grinding, thus grinding efficiency is high；And during the shaping of grinding tool pellet, caoutchouc elasticity mixture is entered in the stomata of above-mentioned Compostie abrasive particles through vulcanizing mutual integrator, Grain Falling Off splash phenomena is allowed in use and is greatly reduced.
Description
Technical field
The present invention relates to belong to precise finiss polishing field.Specifically related to a kind of mandruka of use gum cement is answered
Close diamond lap pellet and preparation method thereof.
Background technology
The preparation method of gum cement grinding tool is many and has nothing in common with each other, by abrasive particle is constituted into bulk with resinoid bond
Aggregate, it is mixed into the pellet being molded in caoutchouc elasticity batch；Some use resinoid bonds make abrasive particle be fixedly arranged at abrasive particle
The elastic composite abrasive particle block being molded on the caoutchouc elasticity particle of coarse size, then this piece of phase with certain porosity
The grinding tool of mutual connecting shaping.Any preparation method is all to use to make mill by medium organic bond and resinoid bond
Pore amount appeared in the organic composite abrasive particle of the blocking aggregate of grain, the caoutchouc elasticity filler of grinding tool in itself is few, and this
A little stomatas are mostly independent.Therefore, above-mentioned grinding tool produces following shortcoming：
(1) in use, abrasive particle not only easily comes off and splashed from pellet, danger is produced, and the abrasive particle entrance splashed is set
Standby the inside causes equipment to produce failure.
(2) grinding efficiency is low, can not be equably ground for the more workpiece of curved surface.
Consulting most of patents can obtain, and bonded abrasive products preparation method has certain limitation using method for mixing, does not all solve
Certainly disadvantages mentioned above.Patent 201310635637.3 discloses a kind of new formula elastic grinding wheel, and this patent is matched somebody with somebody using new raw material
Than, outward appearance significantly increases and alleviates the pollution to environment, effectively reduces the usage amount of abrasive particle, has saved production cost,
Economic benefit substantially, this method is very superior, but due to during machine operation centrifugal force change, also result in mill
Abscission and splash phenomena.The problem of spattering problem may directly result in safe.Patent 201310453677.6 discloses one
Bearing special (purpose) rubber emery wheel is planted, this patent optimizes heat preservation technology, employs insulation delay technique, and shorten final temperature event,
Hardness is added, with advantage durable in use, with low cost, but is not also solved the above problems.
The content of the invention
Easily come off the phenomenon of splashing present invention aim to address the abrasive particle occurred during grinding tool use.There is provided one
Kind practical, high in machining efficiency avoids the grinding tool preparation method that abrasive particle easily splashes.
To achieve the goal, the present invention uses following technical scheme：
A kind of mandruka composite diamond abrasive lapping pellet preparation method of use gum cement.Mandruka is answered
It is that the caoutchouc elasticity containing continuous pore is combined in complex and is combined as a whole and has with composite particles to close diamond lap pellet
The pellet of spongy tiny continuous pore tissue, formula includes：Diamond abrasive, additive, stomata generating agent is resin-bonded
Agent, rubber, vulcanizing agent, vulcanization aid.
A kind of mandruka composite diamond abrasive lapping pellet preparation method of use gum cement, including following step
Suddenly：
The first step, by appropriate diamond abrasive, additive, stomata generating agent, resinoid bond mixing, diamond abrasive
After being infiltrated Deng other additives by resinoid bond, 0.01~150 micron of hybrid particles are made；
Second step, the hybrid particles of the preparation of the first step under melting temperature fuse in stove compound batch mixing is made,
Need compound batch mixing smashing efflorescence after the completion of firing, then sieve, obtain abrasive compound；
3rd step, the Compostie abrasive particles that second step is obtained and rubber mix, are made mixture 1 in rubber mixing machine；
Vulcanizing agent is added in 4th step, the rubber composition 1 that the 3rd step is obtained, vulcanization aid obtains compound 2；
5th step, the compound 2 that the 4th step is obtained is pressed into grinding pellet first, then sulfidization molding, and it vulcanized
Journey is warming up to 90~180 DEG C by normal temperature, and the cumulative time is 10~20 hours, wherein insulation is 2~5 hours；
6th step, obtained diamond abrasive gum cement grinding pellet is cooled down with room temperature, obtained pellet is one
Plant the tiny stomata tissue pellet of sponge shape.
Described diamond abrasive average grain diameter is 0.01~100 micron, by weight 50~300 parts；Rubber is natural
In rubber, butadiene-styrene rubber, nitrile rubber, butadiene rubber, neoprene, silicon rubber, ethylene propylene diene rubber, rubble thermoplastics blend
One or more, by weight 110 parts；Additive is：1~20 part of carbon black, 5~8 parts of zinc oxide；8~10 parts of magnesia, carbon
Sour 3~5 parts of calcium, 3~5 parts of talcum powder, 5~8 parts of molybdenum disulfide, 0.5~2 part of coupling agent.Coupling agent is silane, titanate esters, aluminium
Any one in acid esters, polymer coupler, it is and the polymer because filler surface is generally hydrophilic to add coupling agent
It is hydrophobic, both compatibilities are poor, it is necessary to be surface-treated.
Described stomata generating agent be foaming agent, refined naphthalene, coke, wood powder, walnut shell, urea, sodium bicarbonate in one kind or
Person is a variety of, and wherein foaming agent can be sodium acid carbonate, ammonium hydrogencarbonate, blowing agent AC (azo diformazan phthalein amine), blowing agent H (N, N-
Dinitrosopentamethylene tetramine), foaming agent OBSH (two benzene sulfonyl hydrazide ether), foaming agent DAB (two azoaminobenzenes), foaming agent
Any one in TSH (unifor), foaming agent ABIN (azobisisobutyronitrile), stomata generating agent by weight 6~
10 parts.
Described resinoid bond can be acrylic resin, polyurethane resin, epoxy resin, organic siliconresin, phenolic aldehyde
Any one in resin, epoxy resin, novel phenolic resin, polyurethane resin, polyimide resin, and bakelite powder, by weight
5~20 parts of meter.
Described vulcanizing agent can be Sulfur, tellurium, selenium, sulfur-containing compound, peroxide, quinones, amine chemical combination
Any one in thing, resin and metallic compound, by weight 1~20 part；Described vulcanization aid includes age resistor, promotes
Agent, vulcanizing activator, by weight antiscorching agent, 1~10 part.
Described age resistor includes：Phenols, vulcanizes dipropionate, phosphite ester, antioxidant NBC (N- dibutyl dithios
Carbamic acid nickel), antioxidant D NP (N- DPD di p phenylenediamines), antioxidant MB (Mercaptophenylimidazole), anti-aging agent RD (2,2,4-
Trimethyl -1,2- dihyaroquinoline condensate), antioxidant A (N- phenyl-α-aniline), antioxidant D (N- phenyl-β-naphthylamines) is prevented
Old agent CPPD (N- phenyl N-cyclohexyls p-phenylenediamine), age resistor IPPD (N- phenyl-N- isopropyls-p-phenylenediamine), age resistor
It is a kind of or many in H (N-N- diphenyl-p-phenylenediamines), antioxidant 264 (double (2.2- dimethyl benzyls) diphenylamines of 4.4-)
Kind, 1~2 part by weight.
Described accelerator can be the one or more in inorganic accelerator or organic accelerator, inorganic accelerator
Including magnesia, lead oxide, it is organic including thiazoles, thiurams, sulfenamide, guanidine, dithiocarbamates,
Aldehyde amines, xanthic acid salt and Thiourea, captax (benzothiazolyl mercaptan), altax (dibenzothiazyl disulfide),
Vulcanization accelerator TMTD (tetramethylthiuram disulfide), accelerator TBBS (the yellow acid amides of the N- tert-butyl groups -2-[4-morpholinodithio time), accelerator
CZ (N- cyclohexyls -2-[4-morpholinodithio sulfenamide), by weight 1~3 part.
Described vulcanizing activator is zinc oxide and stearic acid, by weight 1~4 part；Described antiscorching agent
It is septichen, phthalic anhydride, antiscorching agent NPPA (nitrosodiphenylamine), (N- cyclohexyl thios are adjacent for anti-scorching agent CTP
Benzene diformazan phthalimide) in one or more, 0.1~1 part by weight.
The preparation method is that the first step mixing process can be V-type bucket batch mixer mixing, ball mill mixing, adverse current
Batch mixer mixing in any one；Second step melting temperature is 70~200 DEG C；The compressing pressure that 5th step is used is 20
~60Mpa, the grinding pellet after compacting can be cylinder, starlike, quadrangle, pentagon, hexagon or other polygons.
This patent advantage is to add stomata generating agent and spongeization foaming agent in the feed in preparation process, so that
Pellet is formed tiny continuous pore tissue pellet after spongeization, by the effect of the peculiar buffering shock-absorbing of spongeization, solve
Grain Falling Off and the phenomenon splashed in use.
Brief description of the drawings
Fig. 1 is the micron diamond of particle diameter 2.5 grinding pellet surface SEM figures；
Fig. 2 is the wear rate and material removing rate graph of a relation of grinding pellet under the conditions of different diamond abrasive contents；
Fig. 3 is the surface roughness and material after grinding pellet is processed to quartz glass under the conditions of different diamond abrasive contents
Expect clearance；
Fig. 4 is sodium acid carbonate stomata generating agent grinding pellet surface SEM figures；
Fig. 5 is the micron diamond of particle diameter 20 grinding pellet surface SEM figures.
Embodiment
With reference to specific embodiment, the present invention is described further：
Embodiment 1
The first step, by the diamond abrasive and additive of 2.5 microns appropriate of particle diameter, stomata generating agent, resinoid bond
Mixed in V-type bucket batch mixer, after other additives such as diamond abrasive are infiltrated by resinoid bond, 2~5 microns mixed is made
Close particle.The resinoid bond wherein added is epoxy resin；Stomata generating agent is foaming agent OBSH (two benzene sulfonyl hydrazide ether), hair
Infusion OBSH heat decomposition temperatures are relatively low, just can slowly be decomposed at 130 DEG C, energy fast decoupled at 150 DEG C, generally can be in vulcanization temperature
140 DEG C or so of degree is lower to foam, and gas forming amount is about 125ml/g, pyrolysis generation nitrogen, thermal decomposition product residue be it is a kind of not
Volatility polymer, obtained microcellular rubber stomata fine uniform, permeability is small in batch mixing, forms closed pore or joins the stomata in hole
Structure, shrinkage factor, eyelet does not collapse small, it is ensured that less deflection；
Second step, the hybrid particles of the preparation of the first step is sintered to fuse in stove at 100 DEG C of melting temperature is made
Compound batch mixing, needs compound batch mixing smashing efflorescence with beating crusher after the completion of firing, then sieves, the mesh of mesh size 2000 is obtained
Abrasive compound, wherein hybrid particles each component part by weight are as shown in table 1；
The hybrid particles each component part by weight of table 1
3rd step, the Compostie abrasive particles that second step is obtained and butadiene-styrene rubber mixing, are made mixture 1 in rubber mixing machine；
Vulcanizing agent is added in 4th step, the rubber composition 1 that the 3rd step is obtained, vulcanization aid obtains compound 2, mixed
Expect that 2 each component part by weight are as shown in table 2；
The each component part by weight of 2 compound of table 2
5th step, the compound 2 that the 4th step is obtained is pressed into grinding pellet first, then sulfidization molding, and it vulcanized
Journey is warming up to 145 DEG C by certain heating curve by normal temperature, and the cumulative time is 15 hours, wherein insulation is 3 hours.
6th step, grinds pellet by obtained diamond abrasive gum cement and is cooled down with electrically heated drying cabinet Slow cooling,
Obtained pellet is a kind of tiny stomata tissue pellet of sponge shape, as shown in Figure 1.
The grinding pellet tensile strength of acquisition has reached more than 20MPa, and hardness has reached 50 (Shao Er hardness), extension at break
Rate is 200%.
Embodiment 2
This implementation purpose is to test out different diamond abrasive contents to influence the efficiency of grinding and polishing, picks out optimality
The diamond abrasive content of energy pellet.
Operation is substantially the same manner as Example 1, and difference is that the weight of diamond abrasive is respectively 20,50,100,
150,200,250,300,350,400g, prepare grinding pellet respectively, label A20, A50, A100, A150, A200, A250,
A300, A350, A400 are ground on nanopoli100 polisher lappers to quartz glass, measure different diamond abrasives
The wear rate and workpiece material clearance of pellet are ground under the conditions of content, grinding tool wear rate is with diamond as we can see from the figure
The raising of content and increase, and material removing rate is to reach maximum for 150g in diamond content, illustrates diamond content mistake
The high or too low processing efficiency for being all unfavorable for grinding tool.
Embodiment 3
This implementation purpose is to test out different diamond abrasive particle diameters to influence the efficiency of grinding and polishing.
Operation is substantially the same manner as Example 1, and difference is, diamond abrasive particle diameter value is W1, W2.5, W5, W10,
W14, W20, W28, W40, prepare grinding pellet respectively, and quartz glass is ground on nanopoli100 polisher lappers,
The surface roughness after grinding pellet is processed to quartz glass under the conditions of different diamond abrasive contents and material removing rate are measured,
As shown in figure 3, from the figure, it can be seen that with the increase of diamond abrasive grain particle diameter, to the surface roughness after work pieces process and
Material removing rate all increases, and selects different diamond particle diameters to obtain different surface roughnesses.
Embodiment 4
Operation is substantially the same manner as Example 1, and difference is that stomata generating agent is sodium acid carbonate, and weight is still 6g, is seen
The size of stomata in grinding pellet is surveyed, the grinding pellet obtained with embodiment 1 is contrasted, as can be seen from Figure 4.Bicarbonate
Sodium is as stomata generating agent, and the stomata of generation is larger.
Embodiment 5
The first step, by the diamond abrasive and additive of 20 microns appropriate of particle diameter, stomata generating agent, resinoid bond exists
Mixed in V-type bucket batch mixer, after other additives such as diamond abrasive are infiltrated by resinoid bond, 20~30 microns mixed is made
Close particle.The resinoid bond wherein added is epoxy resin；Stomata generating agent is foaming agent OBSH (two benzene sulfonyl hydrazide ether), hair
Infusion OBSH heat decomposition temperatures are relatively low, just can slowly be decomposed at 130 DEG C, energy fast decoupled at 150 DEG C, generally can be in vulcanization temperature
140 DEG C or so of degree is lower to foam, and gas forming amount is about 125ml/g, pyrolysis generation nitrogen, thermal decomposition product residue be it is a kind of not
Volatility polymer, obtained microcellular rubber stomata fine uniform, permeability is small in batch mixing, forms closed pore or joins the stomata in hole
Structure, shrinkage factor, eyelet does not collapse small, it is ensured that less deflection；
Second step, the hybrid particles of the preparation of the first step is sintered to fuse in stove at 100 DEG C of melting temperature is made
Compound batch mixing, needs compound batch mixing smashing efflorescence with beating crusher after the completion of firing, then sieves, the mesh of mesh size 2000 is obtained
Abrasive compound, wherein hybrid particles each component part by weight are as shown in table 3；
The hybrid particles each component part by weight of table 3
3rd step, the Compostie abrasive particles that second step is obtained and butadiene-styrene rubber mixing, are made mixture 1 in rubber mixing machine；
Vulcanizing agent is added in 4th step, the rubber composition 1 that the 3rd step is obtained, vulcanization aid obtains compound 2, mixed
Expect that 2 each component part by weight are as shown in table 4；
The each component part by weight of 4 compound of table 2
5th step, the compound 2 that the 4th step is obtained is pressed into grinding pellet first, then sulfidization molding, and it vulcanized
Journey is warming up to 145 DEG C by certain heating curve by normal temperature, and the cumulative time is 15 hours, wherein insulation is 2.5 hours.
6th step, grinds pellet by obtained diamond abrasive gum cement and is cooled down with electrically heated drying cabinet Slow cooling,
A kind of tiny stomata tissue grinder pellet of sponge shape can be equally obtained, as shown in Figure 5.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Belong to those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. the mandruka composite diamond grinding pellet of a kind of use gum cement, it is characterised in that the mandruka is answered
It is that the caoutchouc elasticity containing continuous pore is combined complex and composite particles are combined as a whole with sea to close diamond lap pellet
The pellet of the continuous tiny continuous pore tissue of shape, each component of the mandruka composite diamond grinding pellet includes Buddha's warrior attendant stone mill
Material, additive, stomata generating agent, resinoid bond, rubber, vulcanizing agent, vulcanization aid.
2. a kind of preparation method of the mandruka composite diamond abrasive lapping pellet of use gum cement, including following step
Suddenly：
The first step, diamond abrasive, additive, stomata generating agent, resinoid bond are mixed, 0.01~150 micron is made
Hybrid particles；
Second step, the hybrid particles of the preparation of the first step under melting temperature fuse in stove compound batch mixing is made, and is fired
After the completion of compound batch mixing is smashed into efflorescence, then sieve, obtain abrasive compound；
3rd step, the Compostie abrasive particles that second step is obtained and rubber mix, are made mixture 1 in rubber mixing machine；
4th step, addition vulcanizing agent, vulcanization aid obtain compound 2 in the rubber composition 1 that the 3rd step is obtained；
5th step, the compound 2 that the 4th step is obtained is pressed into pellet, then sulfidization molding, and its sulfidation is heated up by normal temperature
To 90~180 DEG C, the cumulative time is 10~20 hours, and wherein soaking time is 2~5 hours；
6th step, obtained pellet is cooled down with room temperature, obtains the mandruka composite diamond abrasive material using gum cement
Grind pellet.
3. preparation method according to claim 2, it is characterised in that described diamond abrasive average grain diameter is 0.01~
100 microns, by weight 50~300 parts；Additive includes 1~20 part of carbon black, 5~8 parts of zinc oxide by weight；Magnesia 8
~10 parts, 3~5 parts of calcium carbonate, 3~5 parts of talcum powder, 5~8 parts of molybdenum disulfide, 0.5~2 part of coupling agent；Described coupling agent is
Any one in silane, titanate esters, Aluminate, bimetallic, phosphate, borate, chromium complex coupling agent.
4. preparation method according to claim 2, it is characterised in that described stomata generating agent is foaming agent, refined naphthalene, Jiao
One or more in charcoal, wood powder, walnut shell, urea, sodium bicarbonate, wherein foaming agent be sodium acid carbonate, ammonium hydrogencarbonate, it is even
Nitrogen diformazan phthalein amine, N, N- dinitrosopentamethylene tetramines, two benzene sulfonyl hydrazide ethers, two azoaminobenzenes, unifor,
Any one in azobisisobutyronitrile, by weight 6~10 parts；Described resinoid bond is acrylic resin, poly- ammonia
Ester resin, epoxy resin, organic siliconresin, phenolic resin, epoxy resin, novel phenolic resin, polyurethane resin, polyimide resin
And any one in bakelite powder, 5~20 parts by weight.
5. preparation method according to claim 2, it is characterised in that described rubber is natural rubber, butadiene-styrene rubber, fourth
One or more in nitrile rubber, butadiene rubber, neoprene, silicon rubber, ethylene propylene diene rubber, rubble thermoplastics blend, are pressed
Weight is calculated as 110 parts.
6. preparation method according to claim 2, it is characterised in that described vulcanizing agent is Sulfur, tellurium, selenium, sulfur-bearing chemical combination
Any one in thing, peroxide, quinones, aminated compounds, resin and metallic compound, by weight 1~20
Part；Described vulcanization aid includes age resistor, accelerator, vulcanizing activator, antiscorching agent.
7. preparation method according to claim 6, it is characterised in that described age resistor includes：Phenols, vulcanization dipropionic acid
Ester, phosphite ester, N- nickel dibutyl dithiocarbamates, N- DPD di p phenylenediamines, Mercaptophenylimidazole, 2,2,4- front threes
Base -1,2- dihyaroquinoline condensate, N- phenyl-α-aniline, N- phenyl-β-naphthylamines, N- phenyl N-cyclohexyls p-phenylenediamine,
In N- phenyl-N`- isopropyls-p-phenylenediamine, N-N- diphenyl-p-phenylenediamines, double (2.2- dimethyl benzyls) diphenylamines of 4.4-
One or more, 1~2 part by weight.
8. preparation method according to claim 6, it is characterised in that described accelerator is inorganic accelerator or organic
One or more in accelerator, inorganic accelerator includes magnesia, lead oxide, it is organic including thiazoles, it is thiurams, secondary
Sulfonamides, guanidine, dithiocarbamates, aldehyde amines, xanthic acid salt and Thiourea, benzothiazolyl mercaptan, two
Dibenzothiazyl disulfide, tetramethylthiuram disulfide, the N- tert-butyl groups -2-[4-morpholinodithio time yellow acid amides, N- cyclohexyl -2- benzos
Thiazolesulfenamide, 1~3 part by weight.
9. preparation method according to claim 6, it is characterised in that described vulcanizing activator is zinc oxide and stearic acid,
1~4 part by weight；Described antiscorching agent be one kind in septichen, phthalic anhydride, nitrosodiphenylamine or
Person is a variety of, 1~3 part by weight.
10. preparation method according to claim 2, it is characterised in that the mixed method described in step 1 can be that V-type bucket is mixed
Material machine is mixed, ball mill mixing, any one in the mixing of adverse current batch mixer；Melting temperature described in step 2 is 70~200
℃；The compressing pressure that 5th step is used is 20~60Mpa.
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| CN201710160222.3A CN106956222B (en) | 2017-03-17 | 2017-03-17 | A kind of mandruka composite diamond grinding pellet and preparation method thereof using gum cement |
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| CN201710160222.3A CN106956222B (en) | 2017-03-17 | 2017-03-17 | A kind of mandruka composite diamond grinding pellet and preparation method thereof using gum cement |
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| CN110802527A (en) * | 2019-11-16 | 2020-02-18 | 浙江谋皮环保科技有限公司 | Grinding rod and preparation method and application thereof |
| CN112643559A (en) * | 2020-12-25 | 2021-04-13 | 郑州磨料磨具磨削研究所有限公司 | Composite resin binder superhard grinding wheel and preparation method thereof |
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