CN110343487A - Lamination fire retarding conveying band rubberizing and preparation method thereof - Google Patents
Lamination fire retarding conveying band rubberizing and preparation method thereof Download PDFInfo
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- CN110343487A CN110343487A CN201910641284.5A CN201910641284A CN110343487A CN 110343487 A CN110343487 A CN 110343487A CN 201910641284 A CN201910641284 A CN 201910641284A CN 110343487 A CN110343487 A CN 110343487A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J107/00—Adhesives based on natural rubber
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09J109/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of lamination fire retarding conveying band rubberizings and preparation method thereof, and it includes following each components: neoprene, natural rubber, unsaturated general purpose rubber, active material, adhesive, reinforcement and filler material, fire retardant, magnesia, zinc oxide, stearic acid, softening plasticizer, anti-aging agent, sulphur and promotor.When preparation, after neoprene, natural rubber and unsaturated all-purpose gum are added in mixer, magnesia, stearic acid, anti-aging agent, reinforcing agent, fire retardant, softening agent, active material, adhesive are sequentially added, sulphur, promotor and zinc oxide is eventually adding and is kneaded；Vulcanized again to get the rubberizing of lamination fire retarding conveying band is arrived.The present invention uses this kind of active material for the first time, promotes to be crosslinked rubber chain rupture under shearing and high temperature, it is continuous to solve the problems, such as that raw rubber main body is ground using general purpose rubber roll friction at carbon.
Description
Technical field
The present invention relates to a kind of lamination fire retarding conveying band rubberizings and preparation method thereof, and the invention belongs to conveyer belt production technologies
Field.
Background technique
Lamination fire retarding conveying band is due to using fabric core for skeleton, and band body is light, and energy consumption is small in use process, so by visitor
The favor at family.But the requirement of the standard according to MT830, in order to guarantee to be perfectly safe, lamination fire retarding conveying band roll friction must
It must rub.It the use of rubber is matrix, if coking formation thermal insulation layer during not solving the problems, such as roll friction, can not make defeated
Band is sent to disconnect.
Summary of the invention
An object of the present invention is to overcome the deficiencies in the prior art, provides a kind of lamination fire retarding conveying band patch
Glue, the lamination fire retarding conveying band rubberizing have excellent bond properties, flame retardant property and hot mastication rheological property.
It is a further object of the present invention to provide a kind of preparation methods of lamination fire retarding conveying band rubberizing.
According to technical solution provided by the invention, the lamination fire retarding conveying band rubberizing includes following each component:
Neoprene 0-40 parts by weight, 30~60 parts by weight of natural rubber, unsaturation general purpose rubber 0-70 parts by weight, activity
Material 0.5-5 parts by weight, adhesive 2-6 parts by weight, reinforcing agent 20-30 parts by weight, fire retardant 70-80 parts by weight, magnesia 1-4
Parts by weight, zinc oxide 1.5-5 parts by weight, stearic acid 1.5-2 parts by weight, softening plasticizer 8-10 parts by weight, anti-aging agent 1-6 weight
Part, sulphur 1.5-2.5 parts by weight and promotor 1-3.5 parts by weight；
After neoprene, natural rubber and unsaturated all-purpose gum are added in mixer, sequentially add magnesia, stearic acid,
Anti-aging agent, reinforcing agent, softening agent, active material, adhesive are eventually adding sulphur, promotor and zinc oxide and are kneaded；Again into
Row vulcanizes to arrive the rubberizing of lamination fire retarding conveying band.
The unsaturation general purpose rubber is one or more of butadiene-styrene rubber, butadiene rubber, isoprene rubber.
The active material is activator B450.
Described adhesive is adhesive RA or adhesive RS.
The reinforcement and filler material is one or more of carbon black, white carbon black.
The fire retardant is one of chlorinated paraffin, antimony oxide, zinc borate, aluminium hydroxide or magnesium hydroxide or several
Kind.
The anti-aging agent is one or more of anti-aging agent RD, antioxidant 4020, antioxidant BLE.
The promotor is accelerant CZ, altax, Vulcanization accelerator TMTD, one or more of in captax.
The softening plasticizer is one or more of coumarone indene resin, aromatic naphtha, paraffin oil.
A kind of preparation method of lamination fire retarding conveying band rubberizing the following steps are included:
A, 30~60 parts by weight of natural rubber are plasticated on a mill, the roll spacing of open mill is arranged to 2-4mm, and roller temperature is set
It is set to 40-60 DEG C, obtains broken-down rubber after the 10-20min that plasticates；
B, neoprene 0-40 parts by weight, unsaturated general purpose rubber 0-70 parts by weight and natural rubber through over-mastication are thrown
Enter in mixer, mixing 1-2min；
C, lift floating weight is added 20~30 parts by weight of reinforcing agent, fire retardant 70-80 parts by weight, magnesia 1-4 parts by weight, hard
Resin acid 1.5-2 parts by weight, active material 0.5-5 parts by weight, softening plasticizer 8-10 parts by weight, anti-aging agent 1-6 parts by weight, bonding
1~2.5 parts by weight of agent, mixing 3-5min；
D, by sulphur 1.5-2.5 parts by weight, promotor 0.5-1.5 parts by weight, zinc oxide 1.5-5 parts by weight and remaining bonding
Agent is put into mixer, and dump temperature is controlled at 100-140 DEG C, carries out dumping after being kneaded 3-4min；
E, turn refining 5-10min after dumping, by thickness 8-12mm slice after turning refining, is cooled to room temperature after slice to get lamination
Fire retarding conveying band rubberizing.
Using using, active material can use the shearing force of roll friction to the present invention and hot conditions promote delinking rubber
Degradation, to solve the problems, such as not breaking using rubber matrix roll friction at carbon.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Active material in following embodiment is red as scientific & trading Co., Ltd. purchased from Laiwu City, and name of product is that g is efficiently activated
Agent, product type B450.
Embodiment 1
A, take 60 parts by weight of natural rubber in plasticating on open mill, roll spacing setting is arranged at 40 DEG C, plasticates in 3mm, roller temperature
10min obtains broken-down rubber；
B, resulting 60 parts by weight of natural gum of plasticating of 40 parts by weight of neoprene and step a are put into mixer, mixing
1min；
C, then 10 parts by weight of carbon black, 10 parts by weight of white carbon black, 70 parts by weight of chlorinated paraffin, magnesia are added in lift floating weight
2 parts by weight, 2 parts by weight of stearic acid, 3 parts by weight of active material, 10 parts by weight of coumarone indene resin, anti-aging agent RD are 1 parts by weight, glue
1 parts by weight of mixture RS, mixing 4min；
It d, by 2 parts by weight of sulphur, altax is again 1 parts by weight, captax is 0.8 parts by weight, 3 parts by weight of zinc oxide
In 2 parts by weight of adhesive RA investment mixer, dump temperature is controlled at 120 DEG C, carries out dumping after being kneaded 3min；
E, turn refining 6min after dumping, by thickness 10mm slice after turning refining, is cooled to room temperature after slice through blower to get lamination
Fire retarding conveying band rubberizing.
The lamination fire retarding conveying band rubberizing that embodiment 1 obtains on vulcanizing press in being vulcanized, curing temperature 150
DEG C, sulfide stress 10MPa.The physical mechanical property of lamination fire retarding conveying band rubberizing after vulcanization is shown in Table 1.
Embodiment 2
A, take 50 parts by weight of natural rubber in plasticating on open mill, roll spacing 3mm, 40 DEG C of roller temperature, the 10min that plasticates is plasticated
Glue；
B, by 40 parts by weight of neoprene, 10 parts by weight of butadiene-styrene rubber and resulting 50 weight of natural gum of plasticating of step (1)
In part investment mixer, mixing 1min；
C, then 10 parts by weight of carbon black, 10 parts by weight of white carbon black, 70 parts by weight of antimony oxide, tristearin are added in lift floating weight
Sour 1.5 parts by weight, 2.5 parts by weight of magnesia, 2.5 parts by weight of active material, 10 parts by weight of aromatic naphtha, antioxidant 4020 are 2 weights
Measure part, antioxidant BLE is 1.5 parts by weight, 1.5 parts by weight of adhesive RS, mixing 4min；
It d, by 2.5 parts by weight of sulphur, accelerant CZ is again 0.5 parts by weight, altax is 1.5 parts by weight, 3 weight of zinc oxide
It measures in part and 2 parts by weight of adhesive RA investment mixer, dump temperature is controlled at 120 DEG C, carries out dumping after being kneaded 3min；
E, turn refining 6min after dumping, after turning refining by thickness 10mm slice and blower be cooled to room temperature to get product lamination resistance
Flame resistant conveying belt rubberizing.
The lamination fire retarding conveying band rubberizing that embodiment 2 obtains on vulcanizing press in being vulcanized, curing temperature 150
DEG C, sulfide stress 10MPa.The physical mechanical property of lamination fire retarding conveying band rubberizing after vulcanization is shown in Table 1.
Embodiment 3
A, take 50 parts by weight of natural rubber in plasticating on open mill, roll spacing 3mm, 40 DEG C of roller temperature, the 10min that plasticates is plasticated
Glue；
B, by 30 parts by weight of neoprene, 20 parts by weight of butadiene-styrene rubber and resulting 50 weight of natural gum of plasticating of step (1)
In part investment mixer, mixing 1min；
C, then 15 parts by weight of carbon black, 10 parts by weight of white carbon black, 80 parts by weight of zinc borate, stearic acid 2 are added in lift floating weight
Parts by weight, 1.5 parts by weight of magnesia, 3.5 parts by weight of active material, 10 parts by weight of aromatic naphtha, antioxidant BLE, adhesive RS
1.5 parts by weight, mixing 3min；
D, again by 2.5 parts by weight of sulphur, altax be 2 parts by weight, 2 parts by weight of zinc oxide and 3 parts by weight of RA investment it is close
In mill, dump temperature is controlled at 120 DEG C, carries out dumping after being kneaded 3min；
E, turn refining 7min after dumping, after turning refining by thickness 10mm slice and blower be cooled to room temperature to get product lamination resistance
Flame resistant conveying belt rubberizing.
The lamination fire retarding conveying band rubberizing that embodiment 3 obtains on vulcanizing press in being vulcanized, curing temperature 150
DEG C, sulfide stress 10MPa.The physical mechanical property of lamination fire retarding conveying band rubberizing after vulcanization is shown in Table 1.
Embodiment 4
A, take 30 parts by weight of natural rubber in plasticating on open mill, roll spacing 3mm, 40 DEG C of roller temperature, the 10min that plasticates is plasticated
Glue；
B, by 30 parts by weight of neoprene, 40 parts by weight of butadiene-styrene rubber and resulting 30 weight of natural gum of plasticating of step (1)
In part investment mixer, mixing 1min；
C, then 15 parts by weight of carbon black, 10 parts by weight of white carbon black, 80 parts by weight of aluminium hydroxide, stearic acid are added in lift floating weight
1.5 parts by weight, 4 parts by weight of active material, 5 parts by weight of coumarone indene resin, 5 parts by weight of aromatic naphtha, are prevented at 1.5 parts by weight of magnesia
Old agent 4020 is 6 parts by weight, 1 parts by weight of adhesive RS, mixing 4min；
D, again by 2.5 parts by weight of sulphur, altax be 1.5 parts by weight, 2 parts by weight of zinc oxide, 2 weight of adhesive RA
In part investment mixer, dump temperature is controlled at 130 DEG C, carries out dumping after being kneaded 3min；
E, turn refining 7min after dumping, and by thickness 10mm slice, simultaneously the cooling of room temperature blower is fire-retardant to get product lamination after turning refining
Conveyer belt rubberizing.
The lamination fire retarding conveying band rubberizing that embodiment 4 obtains on vulcanizing press in being vulcanized, curing temperature 150
DEG C, sulfide stress 10MPa.The physical mechanical property of lamination fire retarding conveying band rubberizing after vulcanization is shown in Table 1.
Embodiment 5
A, take 30 parts by weight of natural rubber in plasticating on open mill, roll spacing 3mm, 40 DEG C of roller temperature, the 10min that plasticates is plasticated
Glue；
B, by 30 parts by weight of butadiene-styrene rubber, 40 parts by weight of isoprene rubber and the resulting natural gum 30 of plasticating of step (1)
Parts by weight are put into mixer, mixing 1min；
C, then 15 parts by weight of carbon black, 15 parts by weight of white carbon black, 80 parts by weight of magnesium hydroxide, stearic acid are added in lift floating weight
2 parts by weight, 5 parts by weight of active material, 3 parts by weight of coumarone indene resin, 3 parts by weight of aromatic naphtha, 2 parts by weight of paraffin oil, anti-aging agent
BLE is 3 parts by weight, 1 parts by weight of adhesive RS, mixing 3min；
D, 2.5 parts by weight of sulphur, captax are put into mixing for 1.5 parts by weight and 2 parts by weight of formaldehyde donor RA again
In machine, dump temperature is controlled at 130 DEG C, carries out dumping after being kneaded 3min；
E, turn refining 8min after dumping, after turning refining by thickness 10mm slice and blower be cooled to room temperature to get product lamination resistance
Flame resistant conveying belt rubberizing.
The lamination fire retarding conveying band rubberizing that embodiment 5 obtains on vulcanizing press in being vulcanized, curing temperature 150
DEG C, sulfide stress 10MPa.The physical mechanical property of lamination fire retarding conveying band rubberizing after vulcanization is shown in Table 1.
Comparative example 1
(1) it plasticates: taking 60 parts by weight of natural rubber in plasticating on open mill, roll spacing 3mm, 40 DEG C of roller temperature, the 10min that plasticates is obtained
To broken-down rubber；
(2) it is kneaded: by resulting 60 parts by weight of the natural gum investment mixer of plasticating of 40 parts by weight of neoprene and step (1)
In, mixing 1min；Then 80 parts by weight of reinforcement and filler material, 2 parts by weight of stearic acid, 2.5 weight of magnesia are added in lift floating weight
Part, softening 10 parts by weight of plasticizer, 3.5 parts by weight of anti-aging agent, 2.5 parts by weight of adhesive, mixing 4min；Again by 2 weight of sulphur
In part, 0.9 parts by weight of promotor, 3 parts by weight of zinc oxide and 3 parts by weight of adhesive investment mixer, it is kneaded 3min, dump temperature
The 6min that turned refining, control is pasted at 120 DEG C by thickness 10mm slice, the cooling of room temperature blower to get product lamination fire retarding conveying band
Glue.
The lamination fire retarding conveying band rubberizing that comparative example 1 obtains on vulcanizing press in being vulcanized, curing temperature 150
DEG C, sulfide stress 10MPa.The physical mechanical property of lamination fire retarding conveying band rubberizing after vulcanization is shown in Table 1.
Table 1
Claims (10)
1. a kind of lamination fire retarding conveying band rubberizing, it is characterized in that: the conveyer belt rubberizing includes following each component:
Neoprene 0-40 parts by weight, 30 ~ 60 parts by weight of natural rubber, unsaturation general purpose rubber 0-70 parts by weight, active material
0.5-5 parts by weight, adhesive 2-6 parts by weight, 10 ~ 20 parts by weight of reinforcement and filler material, 70 ~ 80 parts by weight of fire retardant, magnesia
1-4 parts by weight, zinc oxide 1.5-5 parts by weight, stearic acid 1.5-2 parts by weight, softening plasticizer 8-10 parts by weight, anti-aging agent 1-6
Parts by weight, sulphur 1.5-2.5 parts by weight and promotor 1-3.5 parts by weight；
After neoprene, natural rubber and unsaturated all-purpose gum are added in mixer, sequentially add magnesia, stearic acid, prevents always
Agent, reinforcing agent, softening agent, active material, adhesive are eventually adding sulphur, promotor and zinc oxide and are kneaded；Sulphur is carried out again
Change to get the rubberizing of lamination fire retarding conveying band is arrived.
2. lamination fire retarding conveying band rubberizing as described in claim 1, it is characterized in that: the unsaturation general purpose rubber is butylbenzene rubber
One or more of glue, butadiene rubber, isoprene rubber.
3. lamination fire retarding conveying band rubberizing as described in claim 1, it is characterized in that: the active material is activator B450.
4. lamination fire retarding conveying band rubberizing as described in claim 1, it is characterized in that: described adhesive is adhesive RA or glues
Mixture RS.
5. lamination fire retarding conveying band rubberizing as described in claim 1, it is characterized in that: the supporting material is carbon black, white carbon black
One or more of.
6. lamination fire retarding conveying band rubberizing as described in claim 1, it is characterized in that: the fire retardant is chlorinated paraffin, three oxygen
Change one or more of two antimony, zinc borate, aluminium hydroxide or magnesium hydroxide.
7. lamination fire retarding conveying band rubberizing as described in claim 1, it is characterized in that: the anti-aging agent is anti-aging agent RD, prevents always
One or more of agent 4020, antioxidant BLE.
8. lamination fire retarding conveying band rubberizing as described in claim 1, it is characterized in that: the promotor is accelerant CZ, promotes
It is agent DM, Vulcanization accelerator TMTD, one or more of in captax.
9. lamination fire retarding conveying band rubberizing as described in claim 1, it is characterized in that: the softening plasticizer is coumarone tree
One or more of rouge, aromatic naphtha, paraffin oil.
10. the preparation method of lamination fire retarding conveying band rubberizing described in claim 1 comprising following steps:
A, 30 ~ 60 parts by weight of natural rubber are plasticated on a mill, the roll spacing of open mill is arranged to 2-4mm, and roller temperature is arranged to
40-60 DEG C, broken-down rubber is obtained after the 10-20min that plasticates；
B, neoprene 0-40 parts by weight, unsaturated general purpose rubber 0-70 parts by weight and natural rubber investment through over-mastication is close
In mill, mixing 1-2min；
C, 10 ~ 20 parts by weight of supporting material, fire retardant 70-80 parts by weight, stearic acid 1.5-2 parts by weight, work are added in lift floating weight
Property material 0.5-5 parts by weight, softening plasticizer 8-10 parts by weight, anti-aging agent 1-6 parts by weight, 1 ~ 2.5 parts by weight of adhesive and oxygen
Change magnesium 1-4 parts by weight, mixing 3-5min；
D, by sulphur 1.5-2.5 parts by weight, promotor 1-3.5 parts by weight, zinc oxide 1.5-5 parts by weight and remaining adhesive investment
In mixer, dump temperature is controlled at 100-140 DEG C, carries out dumping after being kneaded 3-4min；
E, turn refining 5-10min after dumping, by thickness 8-12mm slice after turning refining, is cooled to room temperature after slice fire-retardant to get lamination
Conveyer belt rubberizing.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112898653A (en) * | 2021-02-07 | 2021-06-04 | 保定京博橡胶有限公司 | Flame-retardant burning-resistant rubber conveyer belt and preparation process thereof |
| CN112920479A (en) * | 2020-12-24 | 2021-06-08 | 无锡宝通科技股份有限公司 | Fabric core laminated flame-retardant conveyer belt rubberizing for coal mine and preparation method thereof |
| CN114702917A (en) * | 2022-05-19 | 2022-07-05 | 无锡百年通工业输送有限公司 | Environment-friendly fabric core conveyer belt rubberizing and preparation method thereof |
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