CN105601990A - Modified waste tire rubber powder and preparation method thereof - Google Patents
Modified waste tire rubber powder and preparation method thereof Download PDFInfo
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- CN105601990A CN105601990A CN201610079189.7A CN201610079189A CN105601990A CN 105601990 A CN105601990 A CN 105601990A CN 201610079189 A CN201610079189 A CN 201610079189A CN 105601990 A CN105601990 A CN 105601990A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 195
- 239000005060 rubber Substances 0.000 title claims abstract description 195
- 239000000843 powder Substances 0.000 title claims abstract description 125
- 239000010920 waste tyre Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 150000001875 compounds Chemical class 0.000 claims abstract description 82
- 230000004048 modification Effects 0.000 claims description 91
- 238000012986 modification Methods 0.000 claims description 91
- 239000002699 waste material Substances 0.000 claims description 42
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 40
- 238000002156 mixing Methods 0.000 claims description 40
- 230000004913 activation Effects 0.000 claims description 39
- 239000003795 chemical substances by application Substances 0.000 claims description 31
- 239000012190 activator Substances 0.000 claims description 30
- 239000002994 raw material Substances 0.000 claims description 24
- 235000021355 Stearic acid Nutrition 0.000 claims description 23
- -1 age resistor Substances 0.000 claims description 23
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 23
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 23
- 239000008117 stearic acid Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 21
- 239000011787 zinc oxide Substances 0.000 claims description 20
- 239000004902 Softening Agent Substances 0.000 claims description 18
- 239000003963 antioxidant agent Substances 0.000 claims description 17
- 230000003078 antioxidant effect Effects 0.000 claims description 17
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 16
- 239000006229 carbon black Substances 0.000 claims description 16
- 239000004014 plasticizer Substances 0.000 claims description 16
- 239000003292 glue Substances 0.000 claims description 15
- 229910052717 sulfur Inorganic materials 0.000 claims description 15
- 239000011593 sulfur Substances 0.000 claims description 15
- 125000003118 aryl group Chemical group 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 244000226021 Anacardium occidentale Species 0.000 claims description 11
- 235000020226 cashew nut Nutrition 0.000 claims description 11
- 239000001993 wax Substances 0.000 claims description 11
- 230000003712 anti-aging effect Effects 0.000 claims description 10
- 229920006026 co-polymeric resin Polymers 0.000 claims description 10
- 239000005662 Paraffin oil Substances 0.000 claims description 8
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 2
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000000945 filler Substances 0.000 abstract description 2
- 235000001508 sulfur Nutrition 0.000 description 21
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000004636 vulcanized rubber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L17/00—Compositions of reclaimed rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2321/00—Characterised by the use of unspecified rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides modified waste tire rubber powder, a preparation method of the modified rubber powder as well as a rubber compound prepared from the modified rubber powder and a preparation method thereof. In the invention, multiple holes are formed in the surface of the activated rubber powder to show a relatively loose state, and the specific surface area is relatively large to facilitate combination with other rubber materials; and meanwhile, a rubber matrix or other filler also enters the holes of the activated rubber powder, thus the binding force between the activated rubber powder and the rubber matrix is further enhanced. The rubber products prepared from the modified rubber powder have relatively good physical and mechanical properties.
Description
Technical field
The present invention relates to a kind of method that changing waste rubber into resources utilizes, particularly relate to a kind of modification waste tyre rubber powder andPreparation method.
Background technology
The effective way of changing waste rubber into resources utilization comprises original shape utilization, produces reclaimed rubber, rubber powder and thermal cracking etc. AgainRubber is the main body that China's waste old is recycled always. But the production of reclaimed rubber is often accompanied by waste water, waste gas, powderThe generation of the pollutants such as dirt, and have that energy consumption is large, labour intensity is high and the series of problems such as secondary pollution.
With respect to reclaimed rubber, adopt waste old to prepare rubber powder and reduced desulfurization, kneading and refining procedure, avoid rightThe secondary pollution of environment, has realized rough type economy and has shifted to low energy consumption, low-contamination type economy gradually. Therefore, rubber powderProduction, utilization, activation or modification are the categories of green economy, are also that waste rubber product reclaims and " the low-carbon (LC) warp recyclingJi " new channel. Current rubber powder is mainly that waste old is carried out to mechanical crushing or grinding at normal temperature or freezing conditionsThe granular material making. According to the granularity difference of rubber powder, its application relates to rubber industry, plastics industry, buildingThe aspects such as material, road construction, agricultural. Can be used alone, also can with other materials use, prepare various blend rubbersMould goods.
Summary of the invention
The object of the present invention is to provide preparation method and a kind of employing of a kind of modification waste tyre rubber powder, this modified glue powder to be somebody's turn to doElastomeric compound prepared by this modified glue powder and preparation method thereof.
The present invention realizes by following technical scheme:
A kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: the 30-60 order damaged tire of 100 weight portionsThe activator of rubber powder, 0.1-1.0 weight portion, the softening agent of 0-10 weight portion.
The present invention also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by the activator of the 30-60 order waste tyre rubber powder of 100 weight portions, 0.1-1.0 weight portion,The softening agent of 0-10 weight portion mixes 5-10min in the homogenizer of turn/min of rotating speed 20-100;
(2) activation modification: be that turn/min of 30-100, temperature are the torque of 90-160 DEG C at rotating speed by premixed rubber powderIn flow graph, carry out activation modification, modification time is 5-30min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present invention also provides the elastomeric compound that adopts above-mentioned modification waste tyre rubber powder to prepare, and described elastomeric compound is by following weight portionThe raw materials of number are made: the activated rubber powder of the rubber of 100 weight portions, the reclaimed rubber of 80-95 weight portion, 5-20 weight portion,30-100 part carbon black, 0-10 part aromatic naphtha, 0.1-5 part plasticizer, 0.1-5 part age resistor, 0.1-1 part antiscorching agent,2-5 part accelerant CZ, 1-10 part zinc oxide, 2-5 part stearic acid, 2-5 part Sulfur.
Described elastomeric compound adopts following technique to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent be placed in 500ml banbury carry out mixing, 90 DEG C of initial temperatures, 110 DEG C of dump temperatures, when mixingBetween 6-7min;
(2) two-stage mixing glue: one section of elastomeric compound adds successively zinc oxide, stearic acid, promoter and sulphur in millHuang, lower makes elastomeric compound, the logical cooling water of reinforced process mill;
(3) elastomeric compound is parked 12h after cure, 145 DEG C of curing temperatures, time 20min.
Preferably, described activator is one or more mixing in 450,480; Described softening agent is paraffin oil, waistOne or more mixing in fruit shell liquid;
Preferably, described rubber is one or more mixing in NR, SBR, BR.
Preferably, described age resistor is one or several in anti-aging agent RD, antioxidant BLE, antioxidant 4010NAMix.
Preferably, described plasticizer is one or more mixing in Lay mattress wax, copolymer resins.
Preferably, described carbon black is one or more mixing in N220, N330, N550, N660;
Preferably, described promoter is one or more mixing in CZ, TMTD, M, DM; Antiscorching agent be CTP, DNPA,One or more mixing in PA.
The feature of the inventive method is under middle cryogenic conditions, to have realized the activation modification of waste tyre rubber powder, and energy consumption is lower, nothingEnvironmental pollution and effectively avoided the destruction of hot conditions to rubber powder rubber macromolecule main chain; Activation modifying method formula is relativeSimple and easy, technique is simple, is easy to realize suitability for industrialized production; Rubber powder substitutes reclaimed rubber and rubber use, vulcanizate physical mechanicalPerformance improves. The combination that the modification of the rubber powder in the present invention has increased active group and improves itself and rubber matrix at vulcanized rubber powderCompactness. Meanwhile, activated rubber powder is inner containing resilient rubber grain, and surface-crosslinked network interrupts, and forms and has oneThe little molecule segment of determining stickiness, external and internal compositions combines, and is similar to " nucleocapsid structure ". This spy of activated rubber powder particleDifferent structure makes the combination property of compound adhesive more excellent; In addition activated rubber powder surface has more hole, is more looseState, specific area is larger, is conducive to and the combination of other elastomeric materials, meanwhile, rubber matrix or other fillers are alsoCan enter the hole of activated rubber powder, further strengthen the adhesion between activated rubber powder and rubber matrix. Reducing rubber systemWhen product performance, keep higher physical and mechanical properties and good processing characteristics.
Detailed description of the invention
Below by specific embodiment, technical scheme of the present invention is described in detail, but scope of the present invention is notBe subject to the restriction of these embodiment.
Embodiment 1
The present embodiment provides a kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: 100 weight portionsThe activator 450 of 40 order waste tyre rubber powders, 0.3 weight portion.
The present embodiment also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by the activator 450 of 40 order waste tyre rubber powders of 100 weight portions, 0.3 weight portion at 80 DEG CUnder condition, in homogenizer, process 10 minutes;
(2) activation modification: be that 60 turn/min, temperature are in the torque rheometer of 150 DEG C at rotating speed by premixed rubber powderCarry out activation modification, modification time is 15min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present embodiment also provides the elastomeric compound that uses above-mentioned modification tyre waste rubber powder to prepare, by the raw material of following parts by weightMake: NR45 part, SBR40 part, BR15 part, 90 parts of reclaimed rubbers, 5 parts of activated rubber powders, 2 parts, Lay mattress wax,1 part of copolymer resins, 2 parts of anti-aging agent RDs, 0.6 part of antioxidant BLE, 2.4 parts of antioxidant 4010NAs, antiscorching agentCTP0.6 part, N22010 part, N33040 part, N66030 part, 2 parts of aromatic naphtha, 3 parts of accelerant CZs, oxygenChange 4 parts, zinc, 3 parts of stearic acid, 1.8 parts of Sulfurs.
Above-mentioned elastomeric compound adopts following method to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent are placed in 500ml banbury and carry out mixingly, and 60 revs/min of rotating speeds, mixing initial temperature temperature are90 DEG C, dump temperature are 110 DEG C, 6 minutes time;
(2) two-stage mixing glue: by one section of elastomeric compound in mill, add successively zinc oxide, stearic acid, promoter,Sulfur, lower makes elastomeric compound;
(3) elastomeric compound is parked 24h after cure, 145 DEG C of curing temperatures, 20 minutes time.
Embodiment 2
The present embodiment provides a kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: 100 weight portionsThe paraffin oil of activator 450,5 weight portions of 30 order waste tyre rubber powders, 0.3 weight portion.
The present embodiment also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by activator 450 and 5 weights of 30 order waste tyre rubber powders of 100 weight portions, 0.3 weight portionAmount part paraffin oil under 60 DEG C of conditions in processing in homogenizer 6 minutes;
(2) activation modification: be that 90 turn/min, temperature are in the torque rheometer of 130 DEG C at rotating speed by premixed rubber powderCarry out activation modification, modification time is 15min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present embodiment also provides the elastomeric compound that uses above-mentioned modification tyre waste rubber powder to prepare, by the raw material of following parts by weightMake: NR60 part, SBR10 part, BR30 part, 85 parts of reclaimed rubbers, 15 parts of activated rubber powders, 2 parts, Lay mattress wax,1 part of copolymer resins, 2 parts of anti-aging agent RDs, 0.6 part of antioxidant BLE, 2.4 parts of antioxidant 4010NAs, antiscorching agentCTP0.6 part, N22010 part, N33040 part, N66030 part, 2 parts of aromatic naphtha, 3 parts of accelerant CZs, oxygenChange 5 parts, zinc, 2 parts of stearic acid, 1.8 parts of Sulfurs.
Above-mentioned elastomeric compound adopts following method to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent are placed in 500ml banbury and carry out mixingly, and 60 revs/min of rotating speeds, mixing initial temperature temperature are90 DEG C, dump temperature are 110 DEG C, 6 minutes time;
(2) two-stage mixing glue: by one section of elastomeric compound in mill, add successively zinc oxide, stearic acid, promoter,Sulfur, lower makes elastomeric compound;
(3) elastomeric compound is parked 24h after cure, 145 DEG C of curing temperatures, 20 minutes time.
Embodiment 3
The present embodiment provides a kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: 100 weight portionsThe cashew nut shell liquid of activator 480,10 weight portions of 40 order waste tyre rubber powders, 0.3 weight portion.
The present embodiment also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by the activator 450 and 10 of 40 order waste tyre rubber powders of 100 weight portions, 0.3 weight portionThe cashew nut shell liquid of weight portion under 45 DEG C of conditions in processing in homogenizer 10 minutes;
(2) activation modification: be that 40 turn/min, temperature are in the torque rheometer of 135 DEG C at rotating speed by premixed rubber powderCarry out activation modification, modification time is 6min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present embodiment also provides the elastomeric compound that uses above-mentioned modification tyre waste rubber powder to prepare, by the raw material of following parts by weightMake: NR90 part, BR10 part, 85 parts of reclaimed rubbers, 5 parts of activated rubber powders, 5 parts, Lay mattress wax, copolymer resins 1Part, 2 parts of anti-aging agent RDs, 3 parts of antioxidant BLEs, 1 part of antioxidant 4010NA, 0.6 part of anti-scorching agent CTP, N33040 parts, N66030 part, 2 parts of aromatic naphtha, 3 parts of accelerant CZs, 4 parts, zinc oxide, 3 parts of stearic acid, Sulfur 1.8Part.
Above-mentioned elastomeric compound adopts following method to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent are placed in 500ml banbury and carry out mixingly, and 60 revs/min of rotating speeds, mixing initial temperature temperature are90 DEG C, dump temperature are 110 DEG C, 6 minutes time;
(2) two-stage mixing glue: by one section of elastomeric compound in mill, add successively zinc oxide, stearic acid, promoter,Sulfur, lower makes elastomeric compound;
(3) elastomeric compound is parked 24h after cure, 145 DEG C of curing temperatures, 20 minutes time.
Embodiment 4
The present embodiment provides a kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: 100 weight portionsThe cashew nut shell liquid of activator 480,6 weight portions of 30 order waste tyre rubber powders, 0.4 weight portion and the paraffin oil of 3 weight portions.
The present embodiment also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by activator 450,6 weights of 30 order waste tyre rubber powders of 100 weight portions, 0.4 weight portionThe cashew nut shell liquid of amount part and the paraffin oil of 3 weight portions under 35 DEG C of conditions in processing in homogenizer 10 minutes;
(2) activation modification: be that 35 turn/min, temperature are in the torque rheometer of 160 DEG C at rotating speed by premixed rubber powderCarry out activation modification, modification time is 26min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present embodiment also provides the elastomeric compound that uses above-mentioned modification tyre waste rubber powder to prepare, by the raw material of following parts by weightMake: NR45 part, SBR40 part, BR15 part, 80 parts of reclaimed rubbers, 15 parts of activated rubber powders, 2 parts, Lay mattress wax,1.5 parts of copolymer resinses, 1 part of anti-aging agent RD, 1.5 parts of antioxidant BLEs, 1 part of antioxidant 4010NA, antiscorching agentCTP0.6 part, N22010 part, N33040 part, N66030 part, 2 parts of aromatic naphtha, 3 parts of accelerant CZs,4 parts, zinc oxide, 3 parts of stearic acid, 1.8 parts of Sulfurs.
Above-mentioned elastomeric compound adopts following method to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent are placed in 500ml banbury and carry out mixingly, and 60 revs/min of rotating speeds, mixing initial temperature temperature are90 DEG C, dump temperature are 110 DEG C, 6 minutes time;
(2) two-stage mixing glue: by one section of elastomeric compound in mill, add successively zinc oxide, stearic acid, promoter,Sulfur, lower makes elastomeric compound;
(3) elastomeric compound is parked 24h after cure, 145 DEG C of curing temperatures, 20 minutes time.
Embodiment 5
The present embodiment provides a kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: 100 weight portionsThe activator 480 of activator 450 and 0.6 weight portion of 60 order waste tyre rubber powders, 0.2 weight portion.
The present embodiment also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by the activator 450 and 0.6 of 60 order waste tyre rubber powders of 100 weight portions, 0.2 weight portionThe activator 480 of weight portion under 85 DEG C of conditions in processing in homogenizer 6 minutes;
(2) activation modification: be that 70 turn/min, temperature are in the torque rheometer of 105 DEG C at rotating speed by premixed rubber powderCarry out activation modification, modification time is 7min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present embodiment also provides the elastomeric compound that uses above-mentioned modification tyre waste rubber powder to prepare, by the raw material of following parts by weightMake: NR45 part, SBR40 part, BR15 part, 95 parts of reclaimed rubbers, 20 parts of activated rubber powders, 1 part, Lay mattress wax,2 parts of anti-aging agent RDs, 0.6 part of antioxidant BLE, 0.5 part of antioxidant 4010NA, 0.6 part of anti-scorching agent CTP, N22010 parts, N33020 part, 2 parts of aromatic naphtha, 3 parts of accelerant CZs, 4 parts, zinc oxide, 3 parts of stearic acid, Sulfur 1.8Part.
Above-mentioned elastomeric compound adopts following method to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent are placed in 500ml banbury and carry out mixingly, and 60 revs/min of rotating speeds, mixing initial temperature temperature are90 DEG C, dump temperature are 110 DEG C, 6 minutes time;
(2) two-stage mixing glue: by one section of elastomeric compound in mill, add successively zinc oxide, stearic acid, promoter,Sulfur, lower makes elastomeric compound;
(3) elastomeric compound is parked 24h after cure, 145 DEG C of curing temperatures, 20 minutes time.
Embodiment 6
The present embodiment provides a kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: 100 weight portionsThe cashew nut shell liquid of activator 450,5 weight portions of 40 order waste tyre rubber powders, 0.7 weight portion.
The present embodiment also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by activator 450,5 weights of 40 order waste tyre rubber powders of 100 weight portions, 0.7 weight portionAmount part cashew nut shell liquid under 45 DEG C of conditions in processing in homogenizer 9 minutes;
(2) activation modification: be that 75 turn/min, temperature are in the torque rheometer of 150 DEG C at rotating speed by premixed rubber powderCarry out activation modification, modification time is 21min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present embodiment also provides the elastomeric compound that uses above-mentioned modification tyre waste rubber powder to prepare, by the raw material of following parts by weightMake: NR45 part, SBR40 part, BR15 part, 80 parts of reclaimed rubbers, 5 parts of activated rubber powders, 2 parts, Lay mattress wax,1 part of copolymer resins, 2 parts of anti-aging agent RDs, 0.6 part of antioxidant BLE, 2.4 parts of antioxidant 4010NAs, antiscorching agentCTP1 part, N22010 part, N33040 part, N66010 part, 5 parts of aromatic naphtha, 3 parts of accelerant CZs, oxidation4 parts, zinc, 3 parts of stearic acid, 4 parts of Sulfurs.
Above-mentioned elastomeric compound adopts following method to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent are placed in 500ml banbury and carry out mixingly, and 60 revs/min of rotating speeds, mixing initial temperature temperature are90 DEG C, dump temperature are 110 DEG C, 6 minutes time;
(2) two-stage mixing glue: by one section of elastomeric compound in mill, add successively zinc oxide, stearic acid, promoter,Sulfur, lower makes elastomeric compound;
(3) elastomeric compound is parked 24h after cure, 145 DEG C of curing temperatures, 20 minutes time.
Embodiment 7
The present embodiment provides a kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: 100 weight portionsThe activator 450 of 50 order waste tyre rubber powders, 0.7 weight portion.
The present embodiment also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by the activator 450 of 50 order waste tyre rubber powders of 100 weight portions, 0.7 weight portion at 65 DEG CUnder condition in processing in homogenizer 6 minutes;
(2) activation modification: be that 45 turn/min, temperature are in the torque rheometer of 85 DEG C at rotating speed by premixed rubber powderCarry out activation modification, modification time is 28min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present embodiment also provides the elastomeric compound that uses above-mentioned modification tyre waste rubber powder to prepare, by the raw material of following parts by weightMake: NR45 part, SBR40 part, BR15 part, 90 parts of reclaimed rubbers, 15 parts of activated rubber powders, 2 parts, Lay mattress wax,1 part of copolymer resins, 0.6 part of antioxidant BLE, 1.4 parts of antioxidant 4010NAs, 0.6 part of anti-scorching agent CTP, N22010 parts, N33040 part, N66030 part, 2 parts of aromatic naphtha, 3 parts of accelerant CZs, 4 parts, zinc oxide, tristearin3 parts of acid, 2 parts of Sulfurs.
Above-mentioned elastomeric compound adopts following method to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent are placed in 500ml banbury and carry out mixingly, and 60 revs/min of rotating speeds, mixing initial temperature temperature are90 DEG C, dump temperature are 110 DEG C, 6 minutes time;
(2) two-stage mixing glue: by one section of elastomeric compound in mill, add successively zinc oxide, stearic acid, promoter,Sulfur, lower makes elastomeric compound;
(3) elastomeric compound is parked 24h after cure, 145 DEG C of curing temperatures, 20 minutes time.
Embodiment 8
The present embodiment provides a kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: 100 weight portionsThe cashew nut shell liquid of activator 450,8 weight portions of 40 order waste tyre rubber powders, 0.7 weight portion.
The present embodiment also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by activator 450 and 8 weights of 40 order waste tyre rubber powders of 100 weight portions, 0.7 weight portionAmount part cashew nut shell liquid under 70 DEG C of conditions in processing in homogenizer 8 minutes;
(2) activation modification: be that 70 turn/min, temperature are in the torque rheometer of 140 DEG C at rotating speed by premixed rubber powderCarry out activation modification, modification time is 8min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present embodiment also provides the elastomeric compound that uses above-mentioned modification tyre waste rubber powder to prepare, by the raw material of following parts by weightMake: SBR40 part, BR60 part, 70 parts of reclaimed rubbers, 15 parts of activated rubber powders, 3 parts, Lay mattress wax, copolymer resins 1Part, 2 parts of anti-aging agent RDs, 2.4 parts of antioxidant 4010NAs, 0.6 part of anti-scorching agent CTP, N22010 part, N66030Part, 2 parts of aromatic naphtha, 3 parts of accelerant CZs, 4 parts, zinc oxide, 3 parts of stearic acid, 1.8 parts of Sulfurs.
Above-mentioned elastomeric compound adopts following method to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent are placed in 500ml banbury and carry out mixingly, and 60 revs/min of rotating speeds, mixing initial temperature temperature are90 DEG C, dump temperature are 110 DEG C, 6 minutes time;
(2) two-stage mixing glue: by one section of elastomeric compound in mill, add successively zinc oxide, stearic acid, promoter,Sulfur, lower makes elastomeric compound;
(3) elastomeric compound is parked 24h after cure, 145 DEG C of curing temperatures, 20 minutes time.
Embodiment 9
The present embodiment provides a kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: 100 weight portionsThe activator 480 of activator 450,0.5 weight portion of 40 order waste tyre rubber powders, 0.5 weight portion.
The present embodiment also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by the activator 450,0.5 of 40 order waste tyre rubber powders of 100 weight portions, 0.5 weight portionThe activator 480 of weight portion under 90 DEG C of conditions in processing in homogenizer 5 minutes;
(2) activation modification: be that 45 turn/min, temperature are in the torque rheometer of 155 DEG C at rotating speed by premixed rubber powderCarry out activation modification, modification time is 25min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present embodiment also provides the elastomeric compound that uses above-mentioned modification tyre waste rubber powder to prepare, by the raw material of following parts by weightMake: NR45 part, SBR40 part, BR15 part, 90 parts of reclaimed rubbers, 5 parts of activated rubber powders, 2 parts, Lay mattress wax,1 part of copolymer resins, 2 parts of anti-aging agent RDs, 0.6 part of antioxidant BLE, 2.4 parts of antioxidant 4010NAs, antiscorching agentCTP0.6 part, N22010 part, N33040 part, N66030 part, 2 parts of aromatic naphtha, 5 parts of accelerant CZs, oxygenChange 3 parts, zinc, 3 parts of stearic acid, 2 parts of Sulfurs.
Above-mentioned elastomeric compound adopts following method to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent are placed in 500ml banbury and carry out mixingly, and 60 revs/min of rotating speeds, mixing initial temperature temperature are90 DEG C, dump temperature are 110 DEG C, 6 minutes time;
(2) two-stage mixing glue: by one section of elastomeric compound in mill, add successively zinc oxide, stearic acid, promoter,Sulfur, lower makes elastomeric compound;
(3) elastomeric compound is parked 24h after cure, 145 DEG C of curing temperatures, 20 minutes time.
Embodiment 10
The present embodiment provides a kind of modification tyre waste rubber powder, is made up of the raw material of following parts by weight: 100 weight portionsThe cashew nut shell liquid of activator 480,3 weight portions of 30 order waste tyre rubber powders, 0.9 weight portion and the paraffin oil of 4 weight portions.
The present embodiment also provides the preparation method of above-mentioned modification tyre waste rubber powder, comprises following step:
(1) premixed: by activator 480,3 weights of 30 order waste tyre rubber powders of 100 weight portions, 0.9 weight portionThe cashew nut shell liquid of amount part and the paraffin oil of 4 weight portions under 80 DEG C of conditions in processing in homogenizer 10 minutes;
(2) activation modification: be that 60 turn/min, temperature are in the torque rheometer of 150 DEG C at rotating speed by premixed rubber powderCarry out activation modification, modification time is 15min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
The present embodiment also provides the elastomeric compound that uses above-mentioned modification tyre waste rubber powder to prepare, by the raw material of following parts by weightMake: NR45 part, SBR40 part, BR15 part, 90 parts of reclaimed rubbers, 10 parts of activated rubber powders, NA2.4 part,0.6 part of anti-scorching agent CTP, N22010 part, N33040 part, N66030 part, 2 parts of aromatic naphtha, accelerant CZ3 parts, 4 parts, zinc oxide, 2 parts of stearic acid, 1.8 parts of Sulfurs.
Above-mentioned elastomeric compound adopts following method to be prepared:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent,Carbon black, antiscorching agent are placed in 500ml banbury and carry out mixingly, and 60 revs/min of rotating speeds, mixing initial temperature temperature are90 DEG C, dump temperature are 110 DEG C, 6 minutes time;
(2) two-stage mixing glue: by one section of elastomeric compound in mill, add successively zinc oxide, stearic acid, promoter,Sulfur, lower makes elastomeric compound;
(3) elastomeric compound is parked 24h after cure, 145 DEG C of curing temperatures, 20 minutes time.
The performance of the vulcanizate that each embodiment makes is as shown in the table:
Physical and mechanical properties by the vulcanized rubber prepared in embodiment can be found out, the modified glue powder providing in the present inventionThere is good performance, adopt its vulcanized rubber of preparing to there is good physical and mechanical properties, can meet tire etc. eachThe user demand of class rubber.
Claims (10)
1. a modification tyre waste rubber powder, is made up of the raw material of following parts by weight: the 30-60 order waste tyre rubber powder of 100 weight portions, the activator of 0.1-1.0 weight portion, the softening agent of 0-10 weight portion.
2. modification tyre waste rubber powder according to claim 1, is characterized in that: described activator is one or more mixing in 450,480; Described softening agent is one or more mixing in paraffin oil, cashew nut shell liquid.
3. a method of preparing modification tyre waste rubber powder described in claim 2, is characterized in that, comprises following step:
(1) premixed: the activator of the 30-60 order waste tyre rubber powder of 100 weight portions, 0.1-1.0 weight portion, the softening agent of 0-10 weight portion are mixed to 5-10min in the homogenizer of turn/min of rotating speed 20-100;
(2) activation modification: be that turn/min of 30-100, temperature are to carry out activation modification in the torque rheometer of 90-160 DEG C by premixed rubber powder at rotating speed, modification time is 5-30min;
(3) under field conditions (factors) the rubber powder after above-mentioned activation modification is cooled to normal temperature.
4. adopt the elastomeric compound that prepared by modification tyre waste rubber powder described in claim 1 or 2, described elastomeric compound is made up of the raw material of following parts by weight: the activated rubber powder of the rubber of 100 weight portions, the reclaimed rubber of 80-95 weight portion, 5-20 weight portion, 30-100 part carbon black, 0-10 part aromatic naphtha, 0.1-5 part plasticizer, 0.1-5 part age resistor, 0.1-1 part antiscorching agent, 2-5 part accelerant CZ, 1-10 part zinc oxide, 2-5 part stearic acid, 2-5 part Sulfur.
5. elastomeric compound according to claim 4, is characterized in that: described rubber is one or more mixing in NR, SBR, BR.
6. elastomeric compound according to claim 5, is characterized in that: described age resistor is one or several mixing in anti-aging agent RD, antioxidant BLE, antioxidant 4010NA.
7. elastomeric compound according to claim 8, is characterized in that: described plasticizer is one or more mixing in Lay mattress wax, copolymer resins.
8. elastomeric compound according to claim 7, is characterized in that: described carbon black is one or more mixing in N220, N330, N550, N660.
9. elastomeric compound according to claim 8, is characterized in that: described promoter is one or more mixing in CZ, TMTD, M, DM; Antiscorching agent is one or more mixing in CTP, DNPA, PA.
10. a preparation method for the arbitrary described elastomeric compound of claim 5-9, is characterized in that, comprises following step:
(1) one section of elastomeric compound: by above-mentioned rubber, reclaimed rubber, activated rubber powder, plasticizer, age resistor, softening agent, carbon black, antiscorching agent be placed in 500ml banbury carry out mixing, 90 DEG C of initial temperatures, 110 DEG C of dump temperatures, mixing time 6-7min;
(2) two-stage mixing glue: one section of elastomeric compound adds successively zinc oxide, stearic acid, promoter and Sulfur in mill, and lower makes elastomeric compound, the logical cooling water of reinforced process mill;
(3) elastomeric compound is parked 12h after cure, 145 DEG C of curing temperatures, time 20min.
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| CN112708167A (en) * | 2020-12-25 | 2021-04-27 | 武汉理工大学 | Surface modification method for waste rubber powder |
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Application publication date: 20160525 |