CN101157769A - Method for preparing and modifying chloroprene rubber powder - Google Patents
Method for preparing and modifying chloroprene rubber powder Download PDFInfo
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- CN101157769A CN101157769A CNA2007100170708A CN200710017070A CN101157769A CN 101157769 A CN101157769 A CN 101157769A CN A2007100170708 A CNA2007100170708 A CN A2007100170708A CN 200710017070 A CN200710017070 A CN 200710017070A CN 101157769 A CN101157769 A CN 101157769A
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- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 4
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- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 3
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- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 3
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- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 3
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- QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 claims description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 2
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- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 2
- YQHLDYVWEZKEOX-UHFFFAOYSA-N cumene hydroperoxide Chemical compound OOC(C)(C)C1=CC=CC=C1 YQHLDYVWEZKEOX-UHFFFAOYSA-N 0.000 claims description 2
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Abstract
The present invention relates to a processing and preparation method of high-performance chloroprene rubber powder by using the waste rubber products as the raw materials, the waste chloroprene rubber products are washed to be clean by using water, then the high-temperature disinfection and viruses and bacteria removal are carried out at 80 to 120 DEG C, the disinfected rubber products are placed in a rubber crusher to carry out the initial grinding to get the crude rubber powder; the crude rubber powder after the initial grinding is arranged in a water-isolating plastic bag and then is placed in an oven to carry out the heating and baking, after that, the rubber powder is taken out and cooled; the crude rubber powder after the cooling and the grafting and grinding agents are added in a ball mill to carry out the mixing grinding, so as to get the fine rubber powder; the fine rubber powder is arranged in a microwave generator to carry out the microwave modification, so as to get the modified rubber powder; the modified rubber powder and the surface treatment agent are stirred and mixed; the mixing rubber powder is placed in an ultrasonic generator to carry out the ultrasonic treatment, so as to get the final product of the rubber powder, and the prepared rubber powder has the advantages of small particle size, big surface area, wide usage, convenient use, energy conservation and so on.
Description
Technical field:
The present invention relates to a kind of is the method for raw material through processing and preparing high-performance rubber powder with waste rubber goods, provides a kind of various composition differences, different waste and old neoprene neoprene are prepared into specifically and has the amphiprotic activity chloroprene rubber powder that surface-area is big, oxygen level big, also have hydrophilic and lipophilic group simultaneously.
Background technology:
Chloroprene rubber is because the tensile strength height, and is heat-resisting, fast light, ageing-resistant performance is good, and oil resistance all is better than natural rubber, styrene-butadiene rubber(SBR), cis-1,4-polybutadiene rubber.Have stronger flame retardant resistance and excellent fire retardance, its chemical stability is higher, and water tolerance is good, so often be widely used in the middle of the rubber items such as pressing, cable, transmission belt, travelling belt, section bar.Along with development of modern industry, various depleted neoprene latex goods are more and more, adopt the method for burning and burying with the minimizing accumulating amount usually, but can cause more serious secondary pollution again.How turning waste into wealth, can prevent to cause environmental pollution, can effectively recycle resource again, is a right problem that is rich in challenge of our demand side.
In the middle of existing technology, the recovery of waste rubber goods mainly concentrates on the renovation of old system product, makes reclaimed rubber, rubber powder, or obtains lower paraffin hydrocarbons, olefin(e) compound by thermo-cracking, again the recycle energy.Yet, domestic because old system product reconditioning technology is immature in these methods, and old system product model is different, the goods source of unified kind is not enough, has hindered the promotion and application of renovate method.Thermo-cracking resolves into lower paraffin hydrocarbons technology cost recovery height, and is seriously polluted.The reclaimed rubber industry is classified as the industry that eliminate by many developed countries, and the sound of domestic opposition reclaimed rubber production also can be heard without end.Compare with producing reclaimed rubber, the course of processing of making rubber powder is fairly simple, does not have pollution problems such as waste water, waste gas, can be widely used in aspects such as various rubber items, plastics, building, highway, railway finishing material.Waste and old rubber item is made rubber powder become the main method that rubber item is scrapped in many national regenerations.
The general general method for preparing rubber powder has now: (1) normal temperature crushing up: utilize mechanical shear stress that film is cut, pushes at normal temperatures, make it become the powdered granule with certain particle size.Can select the mill of wounded in the battle roller for use, the pulverizer of band dentation rotating knife is pulverized, and the characteristics of the manufacture method of this rubber powder are that equipment is simple, treatment capacity is big, the rubber powder particle diameter of acquisition big, reunite serious, difficulties in dispersion, and application is very restricted.(2) pulverize at low temperature method: this method is that waste and old rubber item is freezing under second-order transition temperature, makes its hardening, becomes fragile, and pulverizes to produce rubber powder again.The characteristics of this manufacture method are that technology is simple, and particle diameter pollution-free, that produce rubber powder is little, and is big but shortcoming is project investment, and it is very big whenever to produce the energy that 1 kilogram of rubber powder consumes, the activity of rubber powder also than normal temperature method produce low.
Summary of the invention:
The objective of the invention is to overcome the shortcoming that prior art exists, a kind of method that waste and old neoprene neoprene regeneration preparation is become the high reactivity rubber powder is provided, surface-area is big, oxygen level is high to have than skinny device input and energy consumption production, have hydrophilic simultaneously and amphiprotic activity chloroprene rubber powder lipophilic group, be used for being filled into neoprene neoprene, tensile strength, wear resistance and the flexibility of raising goods that can be in various degree to have changed people and to have thought that in the past rubber powder is filled into behind the rubber item the just understanding in order reducing cost; Utilize the rubber powder of this method preparation also to can be applicable to prepare polymer composite or toughening polyvinyl chloride in addition, or be used for modifying asphalt.
To achieve these goals, to be raw material with waste and old neoprene neoprene have high surface area and oxygen level is big through processing and preparing in the present invention, has hydrophilic simultaneously and amphiprotic activity chloroprene rubber powder lipophilic group, and its processing and preparing processing step is:
(1) waste and old chloroprene rubber is prepared water and rinses well, under 80～120 ℃ temperature, carry out high-temperature sterilization then, the virus that the Ex-all goods may have, bacterium, will through the disinfectant rubber item put into rubber breaker carry out elementary grind thick rubber powder; The drum rotational speed of the rubber breaker that uses is 30～45 rev/mins, the roll spacing 3～5mm between two cylinders, and the water coolant that feeds 15～25 ℃ at ground simultaneously cools off.
(2) will pack in the water-sealed plastics bag through the thick rubber powder of elementary grinding, and put into baking oven then and heat, be 1 hour heat-up time, and temperature of oven is set at 80～100 ℃.Toasted the back and taken out rubber powder, put into the water coolant machine rapidly and cool off, the temperature with elementary thick rubber powder within 5 minutes is cooled to 3～5 ℃, avoids water coolant directly to contact with rubber powder; The temperature of cooling water of water coolant machine is set at 1～3 ℃.
(3) will be through the thick rubber powder of quick refrigerative, together with the grafting abrasive, join and carry out blend in the ball mill and grind and obtain the fineness rubber powder, feed the recirculated water cooling simultaneously, the temperature of Control Circulation water is at 5～30 ℃; The net pressure of ball milling face is 10000～15000kN, 30～120 rev/mins of rotating speeds; Grind discharging after 10～25 minutes; The median size of control rubber powder coacervate is less than 0.4mm.
(4) with the fineness rubber powder after the blend grinding, be one batch, put into microwave generator and carry out obtaining modified glue powder behind the microwave modification with per 5～10kg; The microwave modification time is 10～15 minutes, and the power of microwave is 800～1200W.
(5), put into together with surface treatment agent and to carry out blended under agitation in the homogenizer and get the blend rubber powder with the rubber powder behind the microwave modification; Not preheating before the stirring, keeping the temperature of rubber powder in the whipping process is 40～60 ℃, churning time is 10～20 minutes.
(6) the blend rubber powder after will stirring is put into ultrasonic generator and is carried out ultrasonication and get the finished product rubber powder; Hyperacoustic oscillation frequency is 28～40KHz, and power is 800～1200W, and in 15～30 minutes treatment times, the rubber powder quality in the ultrasonic generator of once packing into is 5～10kg.
The grafting abrasive that adds among the present invention and the weight ratio of rubber are 10～15: 100, and the composition of grafting abrasive comprises: 20% lime carbonate; One or more of 10% following material: sodium-chlor, Repone K, magnesium chloride, sodium sulfate, sal epsom or vitriolate of tartar; One or more of 20% following material: azobisisobutyronitrile, azobisisobutyronitrile, isopropyl benzene hydroperoxide, tertbutyl peroxide, dicumyl peroxide, di-t-butyl peroxide, dibenzoyl peroxide; 50% is a kind of of following material at least: vinylformic acid, oleic acid, amine hydroxybenzene, Witconol 2301, maleic anhydride.
The composition of surface treatment agent of the present invention is 28% starch; One or more of 20% boric acid ester, titanic acid ester, silane coupling agent 69; One or more of 52% polyvinyl chloride (PVC), polyethylene (PE), chlorinatedpolyethylene (CPE) or polyethylene (PE); The ratio of surface treatment agent and rubber powder is 5～15: 100.
The handled waste rubber goods of present method allows impurity such as fiber, metal, sand and earth, and its foreign matter content is no more than 10%.
The rubber powder purposes of the present invention's preparation is:
(1) rubber powder is joined in the middle of the chloroprene rubber mixing glue with 40% mass ratio, through the product of high temperature vulcanized aftershaping not only cost reduce, and have better tensile strength, tear strength, wear resisting property and deflect performance.
(2) with the rubber powder of preparation and the rubber powder of other kinds, such as SBR rubber powder, NR rubber powder etc., at high temperature dynamic vulcanization is made new composite high-molecular material, as soundproof material, cushioning material, automatic buffer material.
(3) with the rubber powder of the present invention preparation in certain solvent with isocyanide ester and polyol reaction, can produce a kind of novel urethane one chloroprene rubber block copolymer foam plastics, as waterproof, grease proofing, fire-retardant, insulation, heat insulation, sound insulation and sealing material; Can be used for building, the water blockoff of departments such as colliery, railway, oil production, fire-retardant, grease proofing, reinforce and anticorrosion etc., especially for the waterproof sealing of piecing assembly concrete cohesive force prefabricated components seam.
(4) rubber powder of the present invention's preparation can form stable colloid and be dispersed in the central modification of pitch, can improve bituminous pavement property, reduces noise, increases the service life, improves ductility of bitumen, reduce the pitch be full of cracks, can improve traffic safety and stability.
The present invention compared with prior art has the following advantages:
(1) adopts sudden cold rubber so that the second-order transition temperature of rubber macromolecule chain raises, the filler that exists in the rubber has hindered the motion of macromolecular chain in addition, make that macromole just presents the vitreous state feature near 0 ℃, rubber with this state grinds resulting rubber powder, the rubber powder that its particle diameter and specific surface area and low-temperature freezing are produced is basic identical, but the rubber powder particle has higher activity, and production cost is lower, and consumption of natural resource still less.The particle diameter of comparing the rubber powder particle with the normal temperature method is little, the surface-area height.
(2) carrying out grafting when rubber powder grinds handles.Simultaneously introduce free radical by force-chemical reaction and radical initiator on the rubber powder macromolecular chain in grinding, the grafting small molecules that will have appropriate functional group is grafted on the rubber powder.The general feature of grafted molecule is that molecular chain is longer relatively, and contains hydrophilic radical.Contain hydrophilic and hydrophobic grouping simultaneously through the rubber powder that grinds the grafting processing, mixing with hydrophilic still oleophilic substance all has binding ability preferably, has expanded the use range of rubber powder.
(3) these two kinds of physical methods of microwave exposure and ultrasonic irradiation have been adopted.Utilize the hertzian wave of different wave length, different-energy to come the irradiation rubber powder, the structure of original rubber powder molecule has been introduced the microvoid hole, help more mixing with other materials.
(4) do not need in advance the fiber that will contain in the rubber item and other impurity such as sand grains and earth to remove, can directly pulverize, reduced, do not influence crushing effect simultaneously yet by the clearing process of comminuting matter.
Embodiment:
By the following examples the present invention is specifically addressed, present embodiment is to further specify of the present invention.
Embodiment 1:
After rinsing waste and old neoprene neoprene well sterilization, put into rubber breaker and carry out elementary grinding.The rubber breaker drum rotational speed is 45 rev/mins.Roll spacing between two cylinders is set at 3mm.Putting into baking oven with the water-sealed plastic bag sealing after good through the thick rubber powder of elementary grinding heated 1 hour.Temperature of oven is set at 100 ℃.Heating finishes and puts into the water coolant machine rapidly and cool off, and the temperature of recirculated water is set at 2 ℃ in the water coolant machine.Cooled thick rubber powder joins and carries out the blend grinding in the ball mill together with the grafting abrasive fast, and the net pressure of ball milling face is 12000kN, 45 rev/mins of rotating speeds.Ground 15 minutes.The composition of abrasive is 20% lime carbonate, 10% sodium-chlor, 20% dicumyl peroxide (DCP) and 50% Witconol 2301.The mass ratio of abrasive and rubber powder is 15: 100.Grind rubber powder later and put into the microwave generator modification 10 minutes.The power of microwave is 1200W.To put into homogenizer together with surface treatment agent and carry out blended under agitation 10 minutes by the rubber powder of microwave modification.Surface treatment agent is 28% starch, 20% boric acid ester, 52%PVC (polyvinyl chloride).The mass ratio of surface treatment agent and rubber powder is 10: 100.Put into the ultrasonic generator modification rapidly 45 minutes with stirring rubber powder later, the oscillation frequency of the ripple that rises to the Western Paradise is 28～40KHz, and power is 1000W..Can obtain the rubber powder of finished product.
Embodiment 2:
After rinsing waste and old neoprene neoprene well sterilization, put into rubber breaker and carry out elementary grinding.The rubber breaker drum rotational speed is 30 rev/mins.Roll spacing between two cylinders is set at 5mm.Putting into baking oven with the water-sealed plastic bag sealing after good through the thick rubber powder of elementary grinding heated 1 hour.Temperature of oven is set at 80 ℃.Heating finishes and puts into the water coolant machine rapidly and cool off, and the temperature of recirculated water is set at 2 ℃ in the water coolant machine.Cooled thick rubber powder joins and carries out the blend grinding in the ball mill together with the grafting abrasive fast, and the net pressure of ball milling face is 10000kN, 30 rev/mins of rotating speeds.Ground 15 minutes.The composition of abrasive is 20% lime carbonate, 10% sodium-chlor, 20% dicumyl peroxide (DCP) and 50% vinylformic acid.The mass ratio of abrasive and rubber powder is 15: 100.Grind rubber powder later and put into the microwave generator modification 10 minutes.The power of microwave is 1200W.To put into homogenizer together with surface treatment agent and carry out blended under agitation 10 minutes by the rubber powder of microwave modification.Surface treatment agent is 28% starch, 20% boric acid ester, 52%PVC (polyvinyl chloride).The mass ratio of surface treatment agent and rubber powder is 10: 100.Put into the ultrasonic generator modification rapidly 30 minutes with stirring rubber powder later, the oscillation frequency of the ripple that rises to the Western Paradise is 28～40KHz, and power is 1200W..Can obtain the rubber powder of finished product.
Embodiment 3:
After rinsing waste and old neoprene neoprene well sterilization, put into rubber breaker and carry out elementary grinding.The rubber breaker drum rotational speed is 30 rev/mins.Roll spacing between two cylinders is set at 5mm.Putting into baking oven with the water-sealed plastic bag sealing after good through the thick rubber powder of elementary grinding heated 1 hour.Temperature of oven is set at 80 ℃.Heating finishes and puts into the water coolant machine rapidly and cool off, and the temperature of recirculated water is set at 2 ℃ in the water coolant machine.Cooled thick rubber powder joins and carries out the blend grinding in the ball mill together with the grafting abrasive fast, and the net pressure of ball milling face is 10000kN, 30 rev/mins of rotating speeds.Ground 15 minutes.The composition of abrasive is 20% lime carbonate, 10% sodium-chlor, 20% dicumyl peroxide (DCP) and 50% oleic acid.The mass ratio of abrasive and rubber powder is 15: 100.Grind rubber powder later and put into the microwave generator modification 10 minutes.The power of microwave is 1200W.To put into homogenizer together with surface treatment agent and carry out blended under agitation 10 minutes by the rubber powder of microwave modification.Surface treatment agent is 28% starch, 20% boric acid ester, 52%PVC (polyvinyl chloride).The mass ratio of surface treatment agent and rubber powder is 10: 100.Put into the ultrasonic generator modification rapidly 30 minutes with stirring rubber powder later, the oscillation frequency of the ripple that rises to the Western Paradise is 28～40KHz, and power is 1200W..Can obtain the rubber powder of finished product.
Embodiment 4:
After rinsing waste and old neoprene neoprene well sterilization, put into rubber breaker and carry out elementary grinding.The rubber breaker drum rotational speed is 30 rev/mins.Roll spacing between two cylinders is set at 5mm.Putting into baking oven with the water-sealed plastic bag sealing after good through the thick rubber powder of elementary grinding heated 1 hour.Temperature of oven is set at 80 ℃.Heating finishes and puts into the water coolant machine rapidly and cool off, and the temperature of recirculated water is set at 2 ℃ in the water coolant machine.Cooled thick rubber powder joins and carries out the blend grinding in the ball mill together with the grafting abrasive fast, and the net pressure of ball milling face is 10000kN, 30 rev/mins of rotating speeds.Ground 15 minutes.The composition of abrasive is 20% lime carbonate, 10% sodium-chlor, 20% dicumyl peroxide (DCP) and 50% amine hydroxybenzene.The mass ratio of abrasive and rubber powder is 15: 100.Grind rubber powder later and put into the microwave generator modification 10 minutes.The power of microwave is 1200W.To put into homogenizer together with surface treatment agent and carry out blended under agitation 10 minutes by the rubber powder of microwave modification.Surface treatment agent is 28% starch, 20% boric acid ester, 52%PVC (polyvinyl chloride).The mass ratio of surface treatment agent and rubber powder is 10: 100.Put into the ultrasonic generator modification rapidly 30 minutes with stirring rubber powder later, the oscillation frequency of the ripple that rises to the Western Paradise is 28～40KHz, and power is 1200W..Can obtain the rubber powder of finished product.
Embodiment 5:
After rinsing waste and old neoprene neoprene well sterilization, put into rubber breaker and carry out elementary grinding.The rubber breaker drum rotational speed is 30 rev/mins.Roll spacing between two cylinders is set at 5mm.Putting into baking oven with the water-sealed plastic bag sealing after good through the thick rubber powder of elementary grinding heated 1 hour.Temperature of oven is set at 80 ℃.Heating finishes and puts into the water coolant machine rapidly and cool off, and the temperature of recirculated water is set at 2 ℃ in the water coolant machine.Cooled thick rubber powder joins and carries out the blend grinding in the ball mill together with the grafting abrasive fast, and the net pressure of ball milling face is 10000kN, 30 rev/mins of rotating speeds.Ground 15 minutes.The composition of abrasive is 20% lime carbonate, 10% sodium-chlor, 20% dicumyl peroxide (DCP) and 50% amine hydroxybenzene.The mass ratio of abrasive and rubber powder is 15: 100.Grind rubber powder later and put into the microwave generator modification 10 minutes.The power of microwave is 1200W.To put into homogenizer together with surface treatment agent and carry out blended under agitation 10 minutes by the rubber powder of microwave modification.Surface treatment agent is 28% starch, 20% boric acid ester, 52%PE (polyethylene).The mass ratio of surface treatment agent and rubber powder is 10: 100.Put into the ultrasonic generator modification rapidly 30 minutes with stirring rubber powder later, the oscillation frequency of the ripple that rises to the Western Paradise is 28～40KHz, and power is 1200W..Can obtain the rubber powder of finished product.
Embodiment 6:
After rinsing waste and old neoprene neoprene well sterilization, put into rubber breaker and carry out elementary grinding.The rubber breaker drum rotational speed is 30 rev/mins.Roll spacing between two cylinders is set at 5mm.Putting into baking oven with the water-sealed plastic bag sealing after good through the thick rubber powder of elementary grinding heated 1 hour.Temperature of oven is set at 80 ℃.Heating finishes and puts into the water coolant machine rapidly and cool off, and the temperature of recirculated water is set at 2 ℃ in the water coolant machine.Cooled thick rubber powder joins and carries out the blend grinding in the ball mill together with the grafting abrasive fast, and the net pressure of ball milling face is 10000kN, 30 rev/mins of rotating speeds.Ground 15 minutes.The composition of abrasive is 20% lime carbonate, 10% sodium-chlor, 20% dicumyl peroxide (DCP) and 50% maleic anhydride.The mass ratio of abrasive and rubber powder is 15: 100.Grind rubber powder later and put into the microwave generator modification 10 minutes.The power of microwave is 1200W.To put into homogenizer together with surface treatment agent and carry out blended under agitation 10 minutes by the rubber powder of microwave modification.Surface treatment agent is 28% starch, 20% boric acid ester, 52%CPE (chlorinatedpolyethylene).The mass ratio of surface treatment agent and rubber powder is 10: 100.Put into the ultrasonic generator modification rapidly 30 minutes with stirring rubber powder later, the oscillation frequency of the ripple that rises to the Western Paradise is 28～40KHz, and power is 1200W..Can obtain the rubber powder of finished product.
Claims (7)
1. the preparation method of a chloroprene rubber powder is characterized in that waste and old neoprene neoprene water is rinsed well, carries out high-temperature sterilization then under 80～120 ℃ situation; To put into rubber breaker through the disinfectant rubber item carries out elementary grinding and obtains thick rubber powder; To pack in the water-sealed plastics bag through the thick rubber powder of elementary grinding, and put into baking oven then and carry out taking out rubber powder behind the heated baking, and put into the water coolant machine rapidly and cool off; Will be through the thick rubber powder of quick refrigerative, together with the grafting abrasive, join and carry out blend in the ball mill and grind and obtain the fineness rubber powder; Fineness rubber powder after the blend grinding is put into microwave generator to carry out obtaining modified glue powder behind the microwave modification; The microwave modification rubber powder put into together with surface treatment agent carry out blended under agitation in the homogenizer and obtain the blend rubber powder; Blend rubber powder after stirring is put into ultrasonic generator to carry out ultrasonication and gets the finished product rubber powder.
2. the preparation method of chloroprene rubber powder according to claim 1 is characterized in that the abrasive that adds and the weight ratio of rubber powder are 10～15: 100; The composition of grafting abrasive comprises: 20% lime carbonate; One or more of 10% following material: sodium-chlor, Repone K, magnesium chloride, sodium sulfate, sal epsom or vitriolate of tartar; One or more of 20% following material: azobisisobutyronitrile, azobisisobutyronitrile, isopropyl benzene hydroperoxide, tertbutyl peroxide, dicumyl peroxide, di-t-butyl peroxide, dibenzoyl peroxide; 50% is a kind of of following material at least: vinylformic acid, oleic acid, amine hydroxybenzene, Witconol 2301, maleic anhydride.
3. the preparation method of chloroprene rubber powder according to claim 1 is characterized in that the microwave modification time is 5～15 minutes, and microwave power is 800～1200W, and the rubber powder weight of a modification is 5～10Kg.
4. the preparation method of chloroprene rubber powder according to claim 1, the composition that it is characterized in that surface treatment agent is 28% starch; One or more of 20% boric acid ester, titanic acid ester, silane coupling agent 69; One or more of 52% polyvinyl chloride (PVC), polyethylene (PE), chlorinatedpolyethylene (CPE) or polyethylene (PE); The part by weight of surface treatment agent and rubber powder is 5～15: 100.
5. the preparation method of chloroprene rubber powder according to claim 1 is characterized in that hyperacoustic oscillation frequency is 28～40KHz, and power is 800～1200W, and in 30～80 minutes treatment times, the rubber powder quality in the ultrasonic generator of once packing into is 5～10kg.
6. the preparation method of chloroprene rubber powder according to claim 1, the temperature that it is characterized in that Control Circulation water is at 5～30 ℃; The net pressure of ball milling face is 10000～15000kN, 30～120 rev/mins of rotating speeds; Grind discharging after 10～25 minutes; The median size of control rubber powder coacervate is less than 0.4mm.
7. the preparation method of chloroprene rubber powder according to claim 1, the drum rotational speed that it is characterized in that the rubber breaker that uses is 30～45 rev/mins, the roll spacing 3～5mm between two cylinders grinds the water coolants that feed 15～25 degree simultaneously and cools off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100170708A CN101157769A (en) | 2007-09-13 | 2007-09-13 | Method for preparing and modifying chloroprene rubber powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100170708A CN101157769A (en) | 2007-09-13 | 2007-09-13 | Method for preparing and modifying chloroprene rubber powder |
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| Publication Number | Publication Date |
|---|---|
| CN101157769A true CN101157769A (en) | 2008-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100170708A Pending CN101157769A (en) | 2007-09-13 | 2007-09-13 | Method for preparing and modifying chloroprene rubber powder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2119730A1 (en) * | 2008-05-13 | 2009-11-18 | Sumitomo Rubber Industries, Ltd. | Modified natural rubber, method for producing modified natural rubber, rubber composition, and tire |
| CN105440466A (en) * | 2015-12-23 | 2016-03-30 | 江苏道勤新材料科技有限公司 | CPE-based degradable plastic |
| CN107366409A (en) * | 2017-08-07 | 2017-11-21 | 安徽温禾新材料科技股份有限公司 | A kind of production technology of Environmental protection floor base material maize straw base flame retardant type composite plate |
| CN109749166A (en) * | 2019-01-17 | 2019-05-14 | 河南理工大学 | A kind of preparation method being pyrolyzed the gum filler of waste old base |
| CN116376468A (en) * | 2023-04-11 | 2023-07-04 | 江苏国立化工科技有限公司 | Optimized production process and equipment of resorcinol rubber adhesive |
-
2007
- 2007-09-13 CN CNA2007100170708A patent/CN101157769A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2119730A1 (en) * | 2008-05-13 | 2009-11-18 | Sumitomo Rubber Industries, Ltd. | Modified natural rubber, method for producing modified natural rubber, rubber composition, and tire |
| CN105440466A (en) * | 2015-12-23 | 2016-03-30 | 江苏道勤新材料科技有限公司 | CPE-based degradable plastic |
| CN107366409A (en) * | 2017-08-07 | 2017-11-21 | 安徽温禾新材料科技股份有限公司 | A kind of production technology of Environmental protection floor base material maize straw base flame retardant type composite plate |
| CN109749166A (en) * | 2019-01-17 | 2019-05-14 | 河南理工大学 | A kind of preparation method being pyrolyzed the gum filler of waste old base |
| CN116376468A (en) * | 2023-04-11 | 2023-07-04 | 江苏国立化工科技有限公司 | Optimized production process and equipment of resorcinol rubber adhesive |
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