CN110343487B - Laminated flame-retardant conveyer belt rubberizing and preparation method thereof - Google Patents
Laminated flame-retardant conveyer belt rubberizing and preparation method thereof Download PDFInfo
- Publication number
- CN110343487B CN110343487B CN201910641284.5A CN201910641284A CN110343487B CN 110343487 B CN110343487 B CN 110343487B CN 201910641284 A CN201910641284 A CN 201910641284A CN 110343487 B CN110343487 B CN 110343487B
- Authority
- CN
- China
- Prior art keywords
- parts
- rubber
- weight
- conveyor belt
- laminated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a laminated flame-retardant conveyer belt rubberizing and a preparation method thereof, wherein the laminated flame-retardant conveyer belt rubberizing comprises the following components: neoprene, natural rubber, unsaturated general purpose rubber, active materials, adhesives, reinforcing filler materials, flame retardants, magnesium oxide, zinc oxide, stearic acid, softening plasticizers, anti-aging agents, sulfur, and accelerators. When in preparation, after adding the neoprene, the natural rubber and the unsaturated general purpose rubber into an internal mixer, sequentially adding the magnesium oxide, the stearic acid, the anti-aging agent, the reinforcing agent, the flame retardant, the softener, the active material and the adhesive, and finally adding the sulfur, the accelerator and the zinc oxide for mixing; and vulcanizing to obtain the laminated flame-retardant conveyer belt rubberizing. The invention adopts the active material for the first time, promotes the chain breakage of the cross-linked rubber under shearing and high temperature, and solves the problem that the rubber main body is not broken by using a universal rubber roller to rub into carbon.
Description
Technical Field
The invention relates to a laminated flame-retardant conveyor belt rubberizing and a preparation method thereof, and belongs to the technical field of conveyor belt production.
Background
The laminated flame-retardant conveying belt adopts the fabric core as the framework, so that the belt body is light, and the energy consumption is low in the using process, so that the laminated flame-retardant conveying belt is favored by customers. However, in accordance with the requirements of the MT830 standard, the laminated flame retardant conveyor belt rollers must rub apart in order to ensure absolute safety. Rubber is used as a base body, and if the problem that a heat insulation layer is formed due to coking in the friction process of the roller is not solved, the conveying belt cannot be disconnected.
Disclosure of Invention
One of the purposes of the invention is to overcome the defects in the prior art and provide a laminated flame-retardant conveyor belt rubberizing which has excellent adhesive property, flame-retardant property and high-temperature softening rheological property.
The invention also aims to provide a preparation method of the laminated flame-retardant conveyor belt rubberizing.
According to the technical scheme provided by the invention, the laminated flame-retardant conveyor belt rubberizing comprises the following components:
0-40 parts of chloroprene rubber, 30-60 parts of natural rubber, 0-70 parts of unsaturated general rubber, 0.5-5 parts of active material, 2-6 parts of adhesive, 20-30 parts of reinforcing agent, 70-80 parts of flame retardant, 1-4 parts of magnesium oxide, 1.5-5 parts of zinc oxide, 1.5-2 parts of stearic acid, 8-10 parts of softening plasticizer, 1-6 parts of anti-aging agent, 1.5-2.5 parts of sulfur and 1-3.5 parts of accelerator;
adding chloroprene rubber, natural rubber and unsaturated general purpose rubber into an internal mixer, sequentially adding magnesium oxide, stearic acid, an anti-aging agent, a reinforcing agent, a softening agent, an active material and an adhesive, and finally adding sulfur, an accelerator and zinc oxide for mixing; and vulcanizing to obtain the laminated flame-retardant conveyer belt rubberizing.
The unsaturated general rubber is one or more of styrene butadiene rubber, butadiene rubber and isoprene rubber.
The active material is an activator B450.
The adhesive is an adhesive RA or an adhesive RS.
The reinforcing filling material is one or more of carbon black and white carbon black.
The flame retardant is one or more of chlorinated paraffin, antimony trioxide, zinc borate, aluminum hydroxide or magnesium hydroxide.
The anti-aging agent is one or more of anti-aging agent RD, anti-aging agent 4020 and anti-aging agent BLE.
The accelerant is one or more of accelerant CZ, accelerant DM, accelerant TMTD and accelerant M.
The softening plasticizer is one or more of coumarone resin, aromatic oil and paraffin oil.
The preparation method of the laminated flame-retardant conveyor belt rubberizing comprises the following steps:
a. plasticating 30-60 parts by weight of natural rubber on an open mill, setting the roll spacing of the open mill to be 2-4mm, setting the roll temperature to be 40-60 ℃, and plasticating for 10-20min to obtain plasticated rubber;
b. putting 0-40 parts by weight of chloroprene rubber, 0-70 parts by weight of unsaturated general rubber and plasticated natural rubber into an internal mixer, and carrying out internal mixing for 1-2 min;
c. lifting the top plug, adding 20-30 parts by weight of reinforcing agent, 70-80 parts by weight of flame retardant, 1-4 parts by weight of magnesium oxide, 1.5-2 parts by weight of stearic acid, 0.5-5 parts by weight of active material, 8-10 parts by weight of softening plasticizer, 1-6 parts by weight of anti-aging agent and 1-2.5 parts by weight of adhesive, and banburying for 3-5 min;
d. 1.5 to 2.5 weight portions of sulfur, 0.5 to 1.5 weight portions of accelerant, 1.5 to 5 weight portions of zinc oxide and the rest of adhesive are put into an internal mixer, the rubber discharging temperature is controlled at 140 ℃ of 100 plus materials, and rubber discharging is carried out after mixing for 3 to 4 min;
e. and (3) after rubber is discharged, turning for 5-10min, discharging the sheets according to the thickness of 8-12mm after turning, and cooling to normal temperature after discharging the sheets to obtain the laminated flame-retardant conveyor belt rubberizing.
The invention adopts the active material, and can promote the chain scission and degradation of the rubber by utilizing the shearing force and high temperature condition of roller friction, thereby solving the problem that the carbon formation by the friction of the rubber substrate roller is not broken.
Detailed Description
The present invention will be further described with reference to the following specific examples.
The active materials in the following examples were purchased from red elephant corp, lewy, under the product name g high efficiency activator, product model B450.
Example 1
a. Plasticating 60 parts by weight of natural rubber on an open mill, setting the roll spacing at 3mm, setting the roll temperature at 40 ℃, and plasticating for 10min to obtain plasticated rubber;
b. b, putting 40 parts by weight of chloroprene rubber and 60 parts by weight of plasticated natural rubber obtained in the step a into an internal mixer, and internally mixing for 1 min;
c. then lifting the top plug, adding 10 parts by weight of carbon black, 10 parts by weight of white carbon black, 70 parts by weight of chlorinated paraffin, 2 parts by weight of magnesium oxide, 2 parts by weight of stearic acid, 3 parts by weight of active material, 10 parts by weight of coumarone resin, 1 part by weight of antioxidant RD and 1 part by weight of adhesive RS, and banburying for 4 min;
d. then putting 2 parts by weight of sulfur, 1 part by weight of accelerator DM, 0.8 part by weight of accelerator M, 3 parts by weight of zinc oxide and 2 parts by weight of adhesive RA into an internal mixer, controlling the rubber discharging temperature at 120 ℃, and discharging rubber after mixing for 3 min;
e. and (3) after rubber is discharged, turning for 6min, discharging pieces with the thickness of 10mm after turning, and cooling to normal temperature by a fan after discharging the pieces to obtain the laminated flame-retardant conveyor belt rubberizing.
The laminated flame-retardant conveyor belt obtained in example 1 was rubberized and vulcanized in a press vulcanizer at a vulcanization temperature of 150 ℃ and a vulcanization pressure of 10 MPa. The physical and mechanical properties of the vulcanized laminated flame-retardant conveyor belt coating are shown in Table 1.
Example 2
a. Plasticating 50 parts by weight of natural rubber on an open mill at the roll spacing of 3mm and the roll temperature of 40 ℃ for 10min to obtain plasticated rubber;
b. putting 40 parts by weight of chloroprene rubber, 10 parts by weight of styrene-butadiene rubber and 50 parts by weight of plasticated natural rubber obtained in the step (1) into an internal mixer, and carrying out internal mixing for 1 min;
c. then lifting the top plug, adding 10 parts by weight of carbon black, 10 parts by weight of white carbon black, 70 parts by weight of antimony trioxide, 1.5 parts by weight of stearic acid, 2.5 parts by weight of magnesium oxide, 2.5 parts by weight of active material, 10 parts by weight of aromatic oil, 2 parts by weight of anti-aging agent 4020, 1.5 parts by weight of anti-aging agent BLE and 1.5 parts by weight of adhesive RS, and banburying for 4 min;
d. then putting 2.5 parts by weight of sulfur, 0.5 part by weight of accelerator CZ, 1.5 parts by weight of accelerator DM, 3 parts by weight of zinc oxide and 2 parts by weight of adhesive RA into an internal mixer, controlling the rubber discharging temperature at 120 ℃, and discharging rubber after mixing for 3 min;
e. and (3) after rubber is discharged, turning for 6min, discharging the sheet according to the thickness of 10mm after turning, and cooling to normal temperature by a fan to obtain the laminated flame-retardant conveyor belt rubberizing of the product.
The laminated flame-retardant conveyor belt obtained in example 2 was rubberized and vulcanized in a press vulcanizer at a vulcanization temperature of 150 ℃ and a vulcanization pressure of 10 MPa. The physical and mechanical properties of the vulcanized laminated flame-retardant conveyor belt coating are shown in Table 1.
Example 3
a. Plasticating 50 parts by weight of natural rubber on an open mill at the roll spacing of 3mm and the roll temperature of 40 ℃ for 10min to obtain plasticated rubber;
b. 30 parts by weight of chloroprene rubber, 20 parts by weight of styrene-butadiene rubber and 50 parts by weight of plasticated natural rubber obtained in the step (1) are put into an internal mixer and internally mixed for 1 min;
c. lifting the top plug, adding 15 parts by weight of carbon black, 10 parts by weight of white carbon black, 80 parts by weight of zinc borate, 2 parts by weight of stearic acid, 1.5 parts by weight of magnesium oxide, 3.5 parts by weight of active materials, 10 parts by weight of aromatic oil, an anti-aging agent BLE and 1.5 parts by weight of a binder RS, and banburying for 3 min;
d. then 2.5 parts by weight of sulfur, 2 parts by weight of accelerator DM, 2 parts by weight of zinc oxide and 3 parts by weight of RA are put into an internal mixer, the rubber discharge temperature is controlled at 120 ℃, and rubber discharge is carried out after mixing for 3 min;
e. and (3) after rubber is discharged, turning for 7min, discharging the sheet according to the thickness of 10mm after turning, and cooling to normal temperature by a fan to obtain the laminated flame-retardant conveyor belt rubberizing of the product.
The laminated flame-retardant conveyor belt obtained in example 3 was rubberized and vulcanized in a press vulcanizer at a vulcanization temperature of 150 ℃ and a vulcanization pressure of 10 MPa. The physical and mechanical properties of the vulcanized laminated flame-retardant conveyor belt coating are shown in Table 1.
Example 4
a. Plasticating 30 parts by weight of natural rubber on an open mill at the roll spacing of 3mm and the roll temperature of 40 ℃ for 10min to obtain plasticated rubber;
b. putting 30 parts by weight of chloroprene rubber, 40 parts by weight of styrene-butadiene rubber and 30 parts by weight of plasticated natural rubber obtained in the step (1) into an internal mixer, and carrying out internal mixing for 1 min;
c. lifting the top plug, adding 15 parts by weight of carbon black, 10 parts by weight of white carbon black, 80 parts by weight of aluminum hydroxide, 1.5 parts by weight of stearic acid, 1.5 parts by weight of magnesium oxide, 4 parts by weight of active material, 5 parts by weight of coumarone resin, 5 parts by weight of aromatic oil, 6 parts by weight of anti-aging agent 4020 and 1 part by weight of adhesive RS, and banburying for 4 min;
d. then 2.5 parts by weight of sulfur, 1.5 parts by weight of accelerator DM, 2 parts by weight of zinc oxide and 2 parts by weight of adhesive RA are put into an internal mixer, the rubber discharge temperature is controlled at 130 ℃, and rubber discharge is carried out after mixing for 3 min;
e. and (3) after rubber is discharged, turning for 7min, discharging the sheet according to the thickness of 10mm after turning, and cooling by a normal-temperature fan to obtain the laminated flame-retardant conveyor belt rubberizing of the product.
The laminated flame-retardant conveyor belt obtained in example 4 was rubberized and vulcanized in a press vulcanizer at a vulcanization temperature of 150 ℃ and a vulcanization pressure of 10 MPa. The physical and mechanical properties of the vulcanized laminated flame-retardant conveyor belt coating are shown in Table 1.
Example 5
a. Plasticating 30 parts by weight of natural rubber on an open mill at the roll spacing of 3mm and the roll temperature of 40 ℃ for 10min to obtain plasticated rubber;
b. putting 30 parts by weight of styrene-butadiene rubber, 40 parts by weight of isoprene rubber and 30 parts by weight of the plasticated natural rubber obtained in the step (1) into an internal mixer, and carrying out internal mixing for 1 min;
c. lifting the top plug, adding 15 parts by weight of carbon black, 15 parts by weight of white carbon black, 80 parts by weight of magnesium hydroxide, 2 parts by weight of stearic acid, 5 parts by weight of active material, 3 parts by weight of coumarone resin, 3 parts by weight of aromatic oil, 2 parts by weight of paraffin oil, 3 parts by weight of anti-aging agent BLE and 1 part by weight of adhesive RS, and banburying for 3 min;
d. then 2.5 parts by weight of sulfur, 1.5 parts by weight of accelerator M and 2 parts by weight of formaldehyde donor RA are put into an internal mixer, the rubber discharge temperature is controlled at 130 ℃, and rubber discharge is carried out after mixing for 3 min;
e. and (3) after rubber is discharged, turning for 8min, discharging the sheet according to the thickness of 10mm after turning, and cooling to normal temperature by a fan to obtain the laminated flame-retardant conveyor belt rubberizing of the product.
The laminated flame-retardant conveyor belt obtained in example 5 was rubberized and vulcanized in a press vulcanizer at a vulcanization temperature of 150 ℃ and a vulcanization pressure of 10 MPa. The physical and mechanical properties of the vulcanized laminated flame-retardant conveyor belt coating are shown in Table 1.
Comparative example 1
(1) Plasticating: plasticating 60 parts by weight of natural rubber on an open mill at the roll spacing of 3mm and the roll temperature of 40 ℃ for 10min to obtain plasticated rubber;
(2) mixing: putting 40 parts by weight of chloroprene rubber and 60 parts by weight of plasticated natural rubber obtained in the step (1) into an internal mixer, and carrying out internal mixing for 1 min; then lifting the top plug, adding 80 parts by weight of reinforcing filling material, 2 parts by weight of stearic acid, 2.5 parts by weight of magnesium oxide, 10 parts by weight of softening plasticizer, 3.5 parts by weight of anti-aging agent and 2.5 parts by weight of adhesive, and banburying for 4 min; and then putting 2 parts by weight of sulfur, 0.9 part by weight of accelerator, 3 parts by weight of zinc oxide and 3 parts by weight of adhesive into an internal mixer, mixing for 3min, controlling the rubber discharge temperature at 120 ℃, turning over for 6min, discharging sheets with the thickness of 10mm, and cooling by a normal-temperature fan to obtain the laminated flame-retardant conveyor belt rubberizing.
And (3) rubberizing the laminated flame-retardant conveyor belt obtained in the comparative example 1 on a flat vulcanizing machine for vulcanization, wherein the vulcanization temperature is 150 ℃, and the vulcanization pressure is 10 MPa. The physical and mechanical properties of the vulcanized laminated flame-retardant conveyor belt coating are shown in Table 1.
TABLE 1
Claims (5)
1. The laminated flame-retardant conveyor belt rubberizing is characterized in that: the conveyer belt rubberizing comprises the following components:
0-40 parts of chloroprene rubber, 30-60 parts of natural rubber, 0-70 parts of unsaturated general rubber, 0.5-5 parts of active material, 2-6 parts of adhesive, 10-20 parts of reinforcing filler, 70-80 parts of flame retardant, 1-4 parts of magnesium oxide, 1.5-5 parts of zinc oxide, 1.5-2 parts of stearic acid, 8-10 parts of softening plasticizer, 1-6 parts of anti-aging agent, 1.5-2.5 parts of sulfur and 1-3.5 parts of accelerator; the chloroprene rubber and the unsaturated general-purpose rubber are not 0 at the same time;
firstly, plasticating natural rubber on an open mill to obtain plasticated rubber; the chloroprene rubber, the unsaturated general rubber and the plasticated natural rubber are put into an internal mixer for internal mixing; lifting the top plug, adding a reinforcing material, a flame retardant, stearic acid, an active material, a softening plasticizer, an anti-aging agent, a bonding agent and magnesium oxide, and banburying; then putting the sulfur, the accelerator, the zinc oxide and the rest of the adhesive into an internal mixer for mixing and then carrying out rubber discharge; after the rubber is discharged, turning and discharging the sheet to obtain the laminated flame-retardant conveyor belt rubberizing;
the unsaturated general rubber is one or more of styrene butadiene rubber, butadiene rubber and isoprene rubber; the active material is an activator B450.
2. The laminated flame retardant conveyor belt skim stock of claim 1, wherein: the flame retardant is magnesium hydroxide.
3. The laminated flame retardant conveyor belt skim stock of claim 1, wherein: the accelerant is one or more of accelerant CZ, accelerant TMTD and accelerant M.
4. The laminated flame retardant conveyor belt skim stock of claim 1, wherein: the softening plasticizer is paraffin oil.
5. A method of making a laminated flame retardant conveyor belt coating according to claim 1, comprising the steps of:
a. plasticating 30-60 parts by weight of natural rubber on an open mill, setting the roll spacing of the open mill to be 2-4mm, setting the roll temperature to be 40-60 ℃, and plasticating for 10-20min to obtain plasticated rubber;
b. putting 0-40 parts by weight of chloroprene rubber, 0-70 parts by weight of unsaturated general rubber and plasticated natural rubber into an internal mixer, and carrying out internal mixing for 1-2 min;
c. lifting the top plug, adding 10-20 parts by weight of a reinforcing material, 70-80 parts by weight of a flame retardant, 1.5-2 parts by weight of stearic acid, 0.5-5 parts by weight of an active material, 8-10 parts by weight of a softening plasticizer, 1-6 parts by weight of an anti-aging agent, 1-2.5 parts by weight of a binder and 1-4 parts by weight of magnesium oxide, and banburying for 3-5 min;
d. 1.5 to 2.5 weight portions of sulfur, 1 to 3.5 weight portions of accelerant, 1.5 to 5 weight portions of zinc oxide and the rest adhesive are put into an internal mixer, the rubber discharging temperature is controlled at 140 ℃ of 100 plus materials, and rubber discharging is carried out after mixing for 3 to 4 min;
e. and (3) after rubber is discharged, turning for 5-10min, discharging the sheets according to the thickness of 8-12mm after turning, and cooling to normal temperature after discharging the sheets to obtain the laminated flame-retardant conveyor belt rubberizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910641284.5A CN110343487B (en) | 2019-07-16 | 2019-07-16 | Laminated flame-retardant conveyer belt rubberizing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910641284.5A CN110343487B (en) | 2019-07-16 | 2019-07-16 | Laminated flame-retardant conveyer belt rubberizing and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110343487A CN110343487A (en) | 2019-10-18 |
| CN110343487B true CN110343487B (en) | 2021-09-10 |
Family
ID=68176565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910641284.5A Active CN110343487B (en) | 2019-07-16 | 2019-07-16 | Laminated flame-retardant conveyer belt rubberizing and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110343487B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112898653B (en) * | 2021-02-07 | 2022-09-23 | 保定京博橡胶有限公司 | Flame-retardant burning-resistant rubber conveyer belt and preparation process 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58148743A (en) * | 1982-03-01 | 1983-09-03 | Kouhoku Gomme Seisakusho:Kk | Bonding method of urethane rubber to general purpose rubber |
| CN102382412A (en) * | 2010-09-02 | 2012-03-21 | 贾剑民 | Adhesion-promotion flame-retardant master batch for rubber mixed compound for flame-retardant canvas laminated core conveyor belts and preparation method |
| CN106939093A (en) * | 2017-05-16 | 2017-07-11 | 兖矿东华重工有限公司 | A kind of fire-retardant lamination conveyer belt and preparation method thereof |
| CN108285760A (en) * | 2018-02-23 | 2018-07-17 | 无锡宝通科技股份有限公司 | A kind of Flame-Retardant and Oil-Resistant conveyer belt rubberizing and preparation method thereof |
| CN108841057A (en) * | 2018-05-21 | 2018-11-20 | 兖矿集团唐村实业有限公司 | Steel core conveyor belt and preparation method thereof |
-
2019
- 2019-07-16 CN CN201910641284.5A patent/CN110343487B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110343487A (en) | 2019-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110343487B (en) | Laminated flame-retardant conveyer belt rubberizing and preparation method thereof | |
| EP3611221B1 (en) | Method for preparing regenerated rubber by multi-stage screw-based continuous desulfurization | |
| CN102501331B (en) | Method for continuously preparing activated rubber powder | |
| CN104108564B (en) | A kind of colliery fabric laminate fire retarding conveying band | |
| CN103602284A (en) | Nylon cord hanging rubber for bias aircraft tire | |
| CN101537680B (en) | Preparation method of conveyor belt disrepair patch | |
| CN106158087A (en) | A kind of cable protective band and preparation method thereof | |
| CN102267620B (en) | Conveying belt in cement industry | |
| CN109880552B (en) | Adhesive glue layer for T4-grade heat-resistant polyester canvas conveyor belt, and preparation method and application thereof | |
| CN114702917A (en) | Environment-friendly fabric core conveyer belt rubberizing and preparation method thereof | |
| CN103790028A (en) | Impregnation liquid of high-temperature-resistant industrial canvas, production method thereof and impregnation technology | |
| CN102146175B (en) | Microwave continuous foaming plate made from tire reclaimed rubber and preparation method of microwave continuous foaming plate | |
| CN110330915A (en) | Haloflex lamination fire retarding conveying band rubberizing and preparation method thereof | |
| CN104292550A (en) | Burning-resistant covering rubber for conveyor belts | |
| CN103232621A (en) | Wear-resistant high-flame-retardant laminated canvas conveyor belt covering rubber for underground mine and preparation method thereof | |
| CN111100387A (en) | High-temperature-resistant conveyer belt covering rubber for cement plant and preparation process thereof | |
| CN110655699A (en) | Energy-saving wear-resistant mill rubber lining plate and manufacturing method thereof | |
| CN107057133A (en) | A kind of fiber reinforced graphite rubber plate and its preparation technology | |
| CN113233089B (en) | High-temperature-resistant canvas core flame-retardant conveying belt and manufacturing method thereof | |
| CN112321919A (en) | Formula of natural environment-friendly oil-resistant rubber | |
| CN108659279A (en) | A kind of abrasion for aircraft tyre identify glue | |
| CN111303495B (en) | Graphene modified rubber and preparation method thereof | |
| CN102140191B (en) | High-wear resistance skirt rubber material for reconstruction of conveyer belt on damage site and skirt on-site reconstruction method | |
| CN102898687A (en) | Novel rubber material | |
| CN112708180B (en) | Tire and preparation process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |