CN107082915B - A kind of low halogen, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt and its manufacturing method - Google Patents

A kind of low halogen, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt and its manufacturing method Download PDF

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CN107082915B
CN107082915B CN201710341636.6A CN201710341636A CN107082915B CN 107082915 B CN107082915 B CN 107082915B CN 201710341636 A CN201710341636 A CN 201710341636A CN 107082915 B CN107082915 B CN 107082915B
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parts
halogen
speed
agent
flame retardants
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CN107082915A (en
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宋长江
袁陆海
魏雪梅
宋鑫
吕继明
王从开
周震宇
李朝红
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ANHUI ZHONGYI RUBBER BELTS Co Ltd
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ANHUI ZHONGYI RUBBER BELTS Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B65G15/38—Belts or like endless load-carriers made of rubber or plastics with flame-resistant layers, e.g. of asbestos, glass
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    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
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    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
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    • B29C2948/92904—Die; Nozzle zone
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    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
    • B29L2031/7092—Conveyor belts
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    • C08K3/32—Phosphorus-containing compounds
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    • C—CHEMISTRY; METALLURGY
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Abstract

The invention discloses a kind of low halogen, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt and its manufacturing method, coating selects polypropylene（PP）, powder nitrile rubber, the high molecular material of Halogens and not halogen, antimony the fire retardant such as thermoplastic polyurethane elastomer (TPU), belt carcass impregnates sizing material and selects not halogen, antimony fire retardant, by optimization of C/C composites and technique, the Fabric Solid-woven Fire-resistant Conveyer Belt of production not only meets MT914 2008 comprehensively《Coal mine Fabric Solid-woven Fire-resistant Conveyer Belt》Requirement, and low toxicity, low cigarette are a kind of conveyer belts of safety and environmental protection；Simple for process, energy consumption is low using extruder veneer moulding, Technology of Dynamic Vulcanized, production efficiency is high.

Description

A kind of low halogen, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt and its manufacturing method
Technical field
The present invention relates to conveyer belt technical fields, specifically, be a kind of low halogen, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt and Its manufacturing method.
Background technology
Fabric Solid-woven Fire-resistant Conveyer Belt is the main tool of current coal mine conveying coal, because its flame-retardant and anti-static performance is good, And price is relatively low, therefore welcome deeply by coal mine.But the Fabric Solid-woven Fire-resistant Conveyer Belt of technology production at present is all largely using containing Halogen, the fire proofing of antimony or basis material select high molecular material containing chlorine or largely add halogen, antimony fire retardant, Although there is good flame retardant property, when fire occurs, a large amount of toxic gas of conveyer belt generation and smog being ignited, one It is to interfere being smoothed out for disaster relief work, secondary disaster is caused to lives and properties, second is that etching apparatus and instrument, third, causing ring It pollutes in border.
Invention content
The purpose of the present invention is overcome the deficiencies in the prior art to provide a kind of low halogen, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt, Coating selects the high molecular material of Halogen and not halogen, antimony fire retardant, and it is not halogen, antimony fire-retardant that belt carcass impregnates sizing material selection Agent not only meets MT914-2008 comprehensively by optimization of C/C composites and technique《Coal mine Fabric Solid-woven Fire-resistant Conveyer Belt》Requirement, And it is low toxicity, low cigarette, safe and environment-friendly.
It is simple for process it is a further object of the present invention to provide the manufacturing method of the conveyer belt, easily fabricated, production cost Low, production efficiency is high.
The purpose of the present invention is achieved by following proposal.
Low halogen, the low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt of the present invention, including coating, fabric whole belt core and belt carcass dipping Sizing material：
The composition of the coating by weight is：Polypropylene（PP）30-40 parts, powder nitrile rubber（PNBR）30- 40 parts, 25-35 parts of thermoplastic polyurethane elastomer (TPU), 5-10 parts of polypropylene grafted maleic anhydride copolymer (PP-g-MA), 3 parts of zinc oxide, 1.5 parts of stearic acid, 2 parts of paraffin oil, 1-1.5 parts of sulphur, 2-3 parts of cumyl peroxide (DCP), accelerating agent 1- 2 parts, 1-2 parts of anti-aging agent, 10-15 parts of conductive black, 10-15 parts of Nano carbon white, 8-10 parts of Fanglun slurry cake, plasticizer 10-20 Part, 20-40 parts of liquid halogen-free flame retardants, 20-40 parts of solid halogen-free flame retardants, 1 part of lead stearate, two 4 parts of alkali formula lead titanates, silicon 1-2 parts of alkane coupling agent, 4-6 parts of antistatic agent；
The belt carcass impregnates the composition of sizing material by weight：PVC paste resin（EPVC）100 parts, diphenylmethyl Alkane diisocyanate（MDI）10-15 parts, 12 parts of liquid nitrile rubber, 40-60 parts of plasticizer, liquid halogen-free flame retardants 40-60 Part, 30-50 parts of solid halogen-free flame retardants, 10-20 parts of epoxidized soybean oil, 2-4 parts of liquid barium zinc compound stabilizer.
The accelerating agent is 2- benzothiazolyl mercaptans (captax), dibenzothiazyl disulfide (altax), N- Cyclohexyl -2-[4-morpholinodithio sulfenamide (accelerant CZ), tetramethylthiuram disulfide (Vulcanization accelerator TMTD), two sulphur of diethyl For in carbamic acid cadmium (accelerant C ED) one kind or combination；The anti-aging agent is N- phenyl-alpha-naphthylamines (antioxidant A), N- Phenyl-beta-naphthylamine (antioxidant D), 2,2,4- trimethyl -1,2- dihyaroquinoline condensates (resin-like) (anti-aging agent RD), 2,2 ' - Thiobis (4- methyl-6-tert-butylphenols) (antioxidant 2246-S), N- isopropyls-N '-diphenyl-para-phenylene diamine (anti-aging agent One kind in 4010NA) or combination；Plasticizer is dioctyl phthalate (DOP), dioctyl sebacate (DOS), adipic acid One kind or combinations thereof in dioctyl ester (DOA)；Tricresyl phosphate can be selected in the liquid halogen-free flame retardants（TCP）, three fourths Oxygen ethyl phosphonic acid ester（TBEP）, trioctyl phosphate（TOP）In any one；Hydrogen-oxygen can be selected in the solid halogen-free flame retardants Change aluminium, magnesium hydroxide, zinc borate, red phosphorus, ammonium polyphosphate, one kind of melamine cyanurate or combinations thereof；The silane Coupling agent is vinyl trichlorosilane（A-150）, vinyltriethoxysilane（A-151）, vinyltrimethoxysilane（A- 171）In any one；The antistatic agent is alkylbenzene phosphate diethanolamine salt (antistatic agent P), trihydroxyethyl first Base quaternary ammonium Methylsulfate（Antistatic agent TM）, octadecyldimethyl ethoxy quaternary ammonium nitrate（Antistatic agent SA）In appoint Meaning is a kind of.
The low halogen of the present invention, the manufacturing method of low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt, include the following steps：
(1) covering layer sizing is prepared：
1) composition of covering layer sizing by weight described in is：Polypropylene（PP）30-40 parts, powder nitrile rubber （PNBR）30-40 parts, 25-35 parts of thermoplastic polyurethane elastomer (TPU), polypropylene grafted maleic anhydride copolymer (PP-g- MA) 5-10 parts, 3 parts of zinc oxide, 1.5 parts of stearic acid, 2 parts of paraffin oil, 1-1.5 parts of sulphur, cumyl peroxide (DCP) 2-3 Part, 1-2 parts of accelerating agent, 1-2 parts of anti-aging agent, 10-15 parts of conductive black, 10-15 parts of Nano carbon white, 8-10 parts of Fanglun slurry cake, 10-20 parts of plasticizer, 20-40 parts of liquid halogen-free flame retardants, 20-40 parts of solid halogen-free flame retardants, 1 part of lead stearate, two alkali formulas 4 parts of lead titanates, 1-2 parts of silane coupling agent, 4-6 parts of antistatic agent；
2) above-mentioned sizing material mixed, be granulated, covering layer sizing particle is made：
I：Fire retardant modification：Solid halogen-free flame retardants, Fanglun slurry cake, Nano carbon white are added in kneader and added Thermal agitation, mixing speed are 350-400 revs/min, are heated to 40-60 DEG C, start to spray silane coupling agent, continue heating and stir It mixes, is stirred 10-15 minutes at a temperature of 120 DEG C -130 DEG C, surface modified flame-retardant agent is made；
II：High-speed kneading preplasticizing：By polypropylene, polypropylene grafted maleic anhydride copolymer, zinc oxide, stearic acid, stone It is wax oil, accelerating agent, anti-aging agent, conductive black, plasticizer, liquid halogen-free flame retardants, lead stearate, two alkali formula lead titanates, anti-quiet Electric agent, surface modified flame-retardant agent sequentially add in high-speed mixer, mixing velocity be 1200-1400 revs/min, 140 DEG C- It is mixed 10-15 minutes at a temperature of 150 DEG C, preformed material is made；
III：Cold mixing：It is added in low speed mixer after the II preformed materials walked are cooled to room temperature, sequentially adds powder Nitrile rubber, thermoplastic polyurethane elastomer, sulphur, cumyl peroxide, mixed 5-10 minutes under room temperature, mixing machine speed Cold mix is made in 150-250 revs/min of degree；
：It is granulated：Particulate material, comminutor screw speed is made by dual-screw pelletizer in the III cold mix walked 450-600 revs/min, 170 DEG C -180 DEG C of temperature.
(2) belt carcass dipping sizing material is prepared：
1) composition of dipping sizing material by weight described in is：PVC paste resin（EPVC）100 parts, diphenylmethyl Alkane diisocyanate（MDI）10-15 parts, 12 parts of liquid nitrile rubber, 40-60 parts of plasticizer, liquid halogen-free flame retardants 40-60 Part, 30-50 parts of solid halogen-free flame retardants, 10-20 parts of epoxidized soybean oil, 2-4 parts of liquid barium zinc compound stabilizer；
2) above-mentioned sizing material be stirred, ground, deaeration, dipping adhesive paste material is made：
I：High-speed stirred mixes：By PVC paste resin, methyl diphenylene diisocyanate, liquid nitrile rubber, increasing Modeling agent, liquid halogen-free flame retardants, solid halogen-free flame retardants, epoxidized soybean oil, liquid barium zinc compound stabilizer sequentially add high speed In dispersion machine, high-speed stirred under room temperature, 2500-2900 revs/min of agitator speed, mixing time 20-30 minutes, paste viscosity 4000 -5500Pa.s；
II：Grinding：The I step mixed thickeners of high-speed stirred are ground by three-roll grinder
Mill three times, grinder roll spacing 0.15-0.25mm, 500-750 revs/min of rotating speed；
III：Deaeration：By the thickener after II step grindings by vacuum degasing machine deaeration, vacuum degree -0.05MPa to - Room temperature deaeration 20-30 minutes under conditions of 0.085MPa, are then placed in belt carcass impregnating bath.
(3) belt carcass impregnation, plasticizing：
1) belt carcass impregnation：Fabric whole belt core is under the drive of dragger, with 1-2 ms/min of speed by being full of paste The impregnating bath and vacuum tank of material impregnate thickener, 11 meters of vacuum tank height, vacuum degree -0.05MPa to -0.085MPa；
2) belt carcass is plasticized：Belt carcass after impregnation enters plasticizing box plasticizing, 170 DEG C -190 DEG C of plasticization temperature, plasticizing box length 30 meters, speed of the belt carcass in plasticizing box is consistent with impregnation speed.
(4) extrusion coating is molded：By the coating particulate material of (1) step by two extruders and mold dynamic vulcanization, directly It connects and fits together in hot state with the plasticizing belt carcass of (3) step：
Extruder rotating speed：30-50 revs/min；
Extruder temperature：170℃-180℃；
Mold temperature：170℃-180℃；
Belt carcass surface temperature：145℃-165℃.
Compared with prior art, the invention has the advantages that：
1, coating selects the high molecular material of Halogen and not halogen, antimony fire retardant, belt carcass dipping sizing material selection to be free of The fire retardant of halogen, antimony, by optimization of C/C composites and technique, the Fabric Solid-woven Fire-resistant Conveyer Belt of production not only meets MT914- comprehensively 2008《Coal mine Fabric Solid-woven Fire-resistant Conveyer Belt》Requirement, and low toxicity, low cigarette, halogenation hydrogen in the flue gas that when burning generates Body content is less than 100 PPM, and halogen total amount is less than 50PPM, and production smoke density is less than 50 SDR, when can effectively avoid conveyer belt and igniting A large amount of toxic and harmful gas and smog are generated, causes secondary disaster, etching apparatus instrument and pollution environment etc. to ask lives and properties Topic, is a kind of conveyer belt of safety and environmental protection convenient for being smoothed out for disaster relief work.
2, simple for process, energy consumption is low, production efficiency is high using extruder veneer moulding, Technology of Dynamic Vulcanized.
Specific implementation mode
Contribute to the understanding of the present invention by following embodiments, but present disclosure cannot be limited.
Embodiment l
The present embodiment provides a kind of low halogen, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt, including coating, fabric whole belt core and Belt carcass impregnates sizing material:
The composition of the coating by weight is：40 parts of 30 parts of PP, PNBR, 30 parts of TPU, PP-g-MA 5 Part, 3 parts of zinc oxide, 1.5 parts of stearic acid, 2 parts of paraffin oil, 1.5 parts of sulphur, 2 parts of DCP, 1 part of captax, altax 0.5 part, 1 part of antioxidant A, 0.5 part of antioxidant D, 10 parts of conductive black, 15 parts of Nano carbon white, 8 parts of Fanglun slurry cake, DOP 15 parts, 10 parts of 10 parts of TCP, TBEP, 10 parts of aluminium hydroxide, 10 parts of zinc borate, 1 part of lead stearate, two 4 parts of alkali formula lead titanates, 1.5 parts of silane coupling A -150,4 parts of antistatic agent P；
The belt carcass impregnates the composition of sizing material by weight：EPVC100 parts, 10 parts of MDI, liquid nitrile rubber 12 Part, 40 parts of 50 parts of DOP, TCP, 15 parts of aluminium hydroxide, 15 parts of zinc borate, 10 parts of epoxidized soybean oil, liquid barium zinc stable composition 2 parts of agent.
The present embodiment provides the manufacturing methods of a kind of low halogen, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt, include the following steps：
(1) covering layer sizing is prepared：
1) composition of covering layer sizing by weight described in is：40 parts of 30 parts of PP, PNBR, 30 parts of TPU, PP- 5 parts of g-MA, 3 parts of zinc oxide, 1.5 parts of stearic acid, 2 parts of paraffin oil, 1.5 parts of sulphur, 2 parts of DCP, 1 part of captax promote 0.5 part of agent DM, 1 part of antioxidant A, 0.5 part of antioxidant D, 10 parts of conductive black, 15 parts of Nano carbon white, 8 parts of Fanglun slurry cake, 10 parts of 15 parts of DOP, TCP, 10 parts of TBEP, 10 parts of aluminium hydroxide, 10 parts of zinc borate, 1 part of lead stearate, two alkali formula lead titanates 4 Part, 1.5 parts of silane coupling A -150,4 parts of antistatic agent P.
2) above-mentioned sizing material mixed, be granulated, covering layer sizing particle is made：
I：Fire retardant modification：Solid halogen-free flame retardants, Fanglun slurry cake, Nano carbon white are added in kneader and added Thermal agitation, mixing speed are 350-400 revs/min, are heated to 40-60 DEG C, start to spray silane coupling agent, continue heating and stir It mixes, is stirred 10-15 minutes at a temperature of 120 DEG C -130 DEG C, surface modified flame-retardant agent is made；
II：High-speed kneading preplasticizing：By polypropylene（PP）, polypropylene grafted maleic anhydride copolymer (PP-g-MA), oxidation Zinc, stearic acid, paraffin oil, accelerating agent, anti-aging agent, conductive black, plasticizer, liquid halogen-free flame retardants, lead stearate, two alkali formulas Lead titanates, antistatic agent, surface modified flame-retardant agent sequentially add in high-speed mixer, and mixing velocity is 1200-1400 revs/min Clock mixes 10-15 minutes at a temperature of 140 DEG C -150 DEG C, and preformed material is made；
III：Cold mixing：It is added in low speed mixer after the II preformed materials walked are cooled to room temperature, sequentially adds powder Nitrile rubber (PNBR), thermoplastic polyurethane elastomer（TPU）, sulphur, cumyl peroxide (DCP), mix 5- under room temperature 10 minutes, cold mix was made in 150-250 revs/min of mixing machine speed；
：It is granulated：Particulate material, comminutor screw speed is made by dual-screw pelletizer in the III cold mix walked 450-600 revs/min, 170 DEG C -180 DEG C of temperature.
(2) belt carcass dipping sizing material is prepared：
1) composition of dipping sizing material by weight described in is：EPVC100 parts, 10 parts of MDI, liquid nitrile rubber 12 Part, 40 parts of 50 parts of DOP, TCP, 15 parts of aluminium hydroxide, 15 parts of zinc borate, 10 parts of epoxidized soybean oil, liquid barium zinc stable composition 2 parts of agent；
2) above-mentioned sizing material be stirred, ground, deaeration, dipping adhesive paste material is made：
I：High-speed stirred mixes：By EPVC, MDI, liquid nitrile rubber, DOP, TCP, aluminium hydroxide, zinc borate, epoxy Soybean oil, liquid barium zinc compound stabilizer sequentially add in high speed dispersor, high-speed stirred under room temperature, agitator speed 2500- 2900 revs/min, mixing time 20-30 minutes, paste viscosity 4000-5500Pa.s；
II:Grinding：I is walked the mixed thickener of high-speed stirred to grind three times by three-roll grinder, grinder roll spacing 0.15-0.25mm, 500-750 revs/min of rotating speed；
III：Deaeration：By the thickener after II step grindings by vacuum degasing machine deaeration, vacuum degree -0.05MPa to - The item of 0.085MPa is then placed in lower room temperature deaeration 20-30 minutes in belt carcass impregnating bath.
(3) belt carcass impregnation, plasticizing：
1) belt carcass impregnation：Fabric whole belt core is under the drive of dragger, with 1.4-1.6 ms/min of speed by filling The impregnating bath and vacuum tank of full thickener impregnate thickener, 11 meters of vacuum tank height, vacuum degree -0.05MPa to -0.085MPa；
2) belt carcass is plasticized：Belt carcass after impregnation enters plasticizing box plasticizing, 170 DEG C -190 DEG C of plasticization temperature, plasticizing box length 30 meters, speed of the belt carcass in plasticizing box is consistent with impregnation speed.
(4) extrusion coating is molded：By the coating particulate material of (1) step by two extruders and mold dynamic vulcanization, directly It connects and fits together in hot state with the plasticizing belt carcass of (3) step：
Extruder rotating speed：30-50 revs/min；
Extruder temperature：170℃-180℃；
Mold temperature：170℃--180℃；
Belt carcass surface temperature：145℃-165℃.
After tested, hydrogen halide content is 85 PPM in the flue gas generated when the conveyer belt burning of the present embodiment, halogen 45 PPM of total amount, produces 46 SDR of smoke density, remaining index all meets MT914-2008《The fire-retardant conveying of coal mine fabric solid-woven Band》Standard requirement.
Embodiment 2
The present embodiment provides a kind of low halogen, the band of the low fire-retardant conveying of cigarette fabric solid-woven, including coating, fabric whole belt cores And belt carcass impregnates sizing material:
The composition of the coating by weight is：30 parts of 35 parts of PP, PNBR, 35 parts of TPU, PP-g-MA 10 Part, 3 parts of zinc oxide, 1.5 parts of stearic acid, 2 parts of paraffin oil, 1 part of sulphur, 2.5 parts of DCP, 1 part of accelerant CZ, accelerating agent TDTM 0.5 part, 1 part of anti-aging agent RD, 1 part of antioxidant 2246-S, 12 parts of conductive black, 12 parts of Nano carbon white, 9 parts of Fanglun slurry cake, 15 parts of 15 parts of DOS, TCP, 15 parts of TOP, 15 parts of melamine cyanurate, 10 parts of red phosphorus, 10 parts of magnesium hydroxide, stearic acid 1 part of lead, two 4 parts of alkali formula lead titanates, 1.5 parts of silane coupling A -151,5 parts of antistatic agent TM；
The belt carcass impregnates the composition of sizing material by weight：EPVC100 parts, MDI12 parts, liquid nitrile rubber 12 Part, 25 parts of 50 parts of DOA, TCP, 25 parts of TOP, 20 parts of red phosphorus, 25 parts of aluminium hydroxide, 15 parts of epoxidized soybean oil, liquid barium zinc are multiple Close 3 parts of stabilizer.
The present embodiment provides the manufacturing methods of a kind of low halogen, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt, include the following steps：
(1) covering layer sizing is prepared：
1) composition of covering layer sizing by weight described in is：30 parts of 35 parts of PP, PNBR, 35 parts of TPU, PP- 10 parts of g-MA, 3 parts of zinc oxide, 1.5 parts of stearic acid, 2 parts of paraffin oil, 1 part of sulphur, 2.5 parts of DCP, 1 part of accelerant CZ promote Into 0.5 part of agent TDTM, 1 part of anti-aging agent RD, 1 part of antioxidant 2246-S, 12 parts of conductive black, 12 parts of Nano carbon white, aramid fiber 9 parts of pulp, 15 parts of 15 parts of DOS, TCP, 15 parts of TOP, 15 parts of melamine cyanurate, 10 parts of red phosphorus, magnesium hydroxide 10 Part, 1 part of lead stearate, two 4 parts of alkali formula lead titanates, 1.5 parts of silane coupling A -151,5 parts of antistatic agent TM.
2) above-mentioned sizing material mixed, be granulated, covering layer sizing particle is made：
I：Fire retardant modification：Solid halogen-free flame retardants, Fanglun slurry cake, Nano carbon white are added in kneader and are heated Stirring, mixing speed are 350-400 revs/min, are heated to 40-60 DEG C, start to spray silane coupling agent, continue heating stirring, It is stirred 10-15 minutes at a temperature of 120 DEG C -130 DEG C, surface modified flame-retardant agent is made；
II：High-speed kneading preplasticizing：By polypropylene（PP）, polypropylene grafted maleic anhydride copolymer (PP-g-MA), oxidation Zinc, stearic acid, paraffin oil, accelerating agent, anti-aging agent, conductive black, plasticizer, liquid halogen-free flame retardants, lead stearate, two alkali formulas Lead titanates, antistatic agent, surface modified flame-retardant agent sequentially add in high-speed mixer, and mixing velocity is 1200-1400 revs/min Clock mixes 10-15 minutes at a temperature of 140 DEG C -150 DEG C, and preformed material is made；
III：Cold mixing：It is added in low speed mixer after the II preformed materials walked are cooled to room temperature, sequentially adds powder Nitrile rubber (PNBR), thermoplastic polyurethane elastomer (TPU), sulphur, cumyl peroxide (DCP) mix 5- under room temperature 10 minutes, cold mix was made in 150-250 revs/min of mixing machine speed；
：It is granulated：Particulate material, comminutor screw speed is made by dual-screw pelletizer in the III cold mix walked 450-600 revs/min, 170 DEG C -180 DEG C of temperature.
(2) belt carcass dipping sizing material is prepared：
1) composition of dipping sizing material by weight described in is：EPVC100 parts, MDI12 parts, 12 parts of liquid nitrile rubber, 25 parts of 50 parts of DOA, TCP, 25 parts of TOP, 20 parts of red phosphorus, 25 parts of aluminium hydroxide, 15 parts of epoxidized soybean oil, liquid barium zinc is compound 3 parts of stabilizer；
2) above-mentioned sizing material be stirred, ground, deaeration, dipping adhesive paste material is made：
I：High-speed stirred mixes：By EPVC, MDI, liquid nitrile rubber, DOA, TCP, TOP red phosphorus, aluminium hydroxide, epoxy Soybean oil, liquid barium zinc compound stabilizer sequentially add in high speed dispersor, high-speed stirred under room temperature, agitator speed 2500- 2900 revs/min, mixing time 20--30 minutes, paste viscosity 4000-5000Pa.s；
II:Grinding：I is walked the mixed thickener of high-speed stirred to grind three times by three-roll grinder, grinder roll spacing 0.15-0.25mm, 500-750 revs/min of rotating speed；
III：Deaeration：By the thickener after II step grindings by vacuum degasing machine deaeration, vacuum degree -0.05MPa to - Room temperature deaeration 20-30 minutes under conditions of 0.085MPa, are then placed in belt carcass impregnating bath.
(3) belt carcass impregnation, plasticizing：
1) belt carcass impregnation：Fabric whole belt core is under the drive of dragger, with 1.2-1.4 ms/min of speed by filling The impregnating bath and vacuum tank of full monkey material impregnate thickener, 11 meters of vacuum tank height, vacuum degree -0.05MPa to -0.085Mpa；
2) belt carcass is plasticized：Belt carcass after impregnation enters plasticizing box plasticizing, 170 DEG C -190 DEG C of plasticization temperature, plasticizing box length 30 meters, speed of the belt carcass in plasticizing box is consistent with impregnation speed.
(4) extrusion coating is molded：By the coating particulate material of (2) step by two extruders and mold dynamic vulcanization, directly It connects and fits together in hot state with the plasticizing belt carcass of (3) step；
Extruder rotating speed：30-50 revs/min；
Extruder temperature：170℃-180℃；
Mold temperature：170℃-18℃；
Belt carcass surface temperature：145℃-165℃.
After tested, hydrogen halide content is 82 PPM in the flue gas generated when the conveyer belt burning of the present embodiment, halogen 43 PPM of total amount, produces 45 SDR of smoke density, remaining index all meets MT914-2008《The fire-retardant conveying of coal mine fabric solid-woven Band》Standard requirement.
Embodiment 3
The present embodiment provides a kind of low halogen, the band of the low fire-retardant conveying of cigarette fabric solid-woven, including coating, fabric whole belt cores And belt carcass impregnates sizing material:
The composition of the coating by weight is：35 parts of 40 parts of PP, PNBR, 25 parts of TPU, PP-g-MA 10 Part, 3 parts of zinc oxide, 1.5 parts of stearic acid, 2 parts of paraffin oil, 1 part of sulphur, 1 part of 3 parts of DCP, accelerant C ED, accelerating agent TDTM 0.5 part, 1 part of anti-aging agent RD, 0.5 part of antioxidant 4010NA, 15 parts of conductive black, 10 parts of Nano carbon white, Fanglun slurry cake 10 Part, 20 parts of 20 parts of DOA, TBEP, 20 parts of TOP, 20 parts of magnesium hydroxide, 20 parts of ammonium polyphosphate, 1 part of lead stearate, two alkali formula titaniums 4 parts of lead plumbate, 1.5 parts of silane coupling A -171,6 parts of antistatic agent SA；
The belt carcass impregnates the composition of sizing material by weight：EPVC100 parts, MDI15 parts, liquid nitrile rubber 12 Part, 30 parts of 60 parts of DOS, TBEP, 30 parts of TOP, 25 parts of ammonium polyphosphate, 25 parts of magnesium hydroxide, 20 parts of epoxidized soybean oil, liquid 4 parts of barium zinc compound stabilizer.
The present embodiment provides the manufacturing methods of a kind of low halogen, low halogen Fabric Solid-woven Fire-resistant Conveyer Belt, include the following steps：
(1) covering layer sizing is prepared：
1) composition of covering layer sizing by weight described in is：35 parts of 40 parts of PP, PNBR, 25 parts of TPU, PP- 10 parts of g-MA, 3 parts of zinc oxide, 1.5 parts of stearic acid, 2 parts of paraffin oil, 1 part of sulphur, 1 part of 3 parts of DCP, accelerant C ED promote 0.5 part of agent TDTM, 1 part of anti-aging agent RD, 0.5 part of antioxidant 4010NA, 15 parts of conductive black, 10 parts of Nano carbon white, aramid fiber 10 parts of pulp, 20 parts of 20 parts of DOA, TBEP, 20 parts of TOP, 20 parts of magnesium hydroxide, 20 parts of ammonium polyphosphate, 1 part of lead stearate, two 4 parts of alkali formula lead titanates, 1.5 parts of silane coupling A -171,6 parts of antistatic agent SA；
2) above-mentioned sizing material mixed, be granulated, covering layer sizing particle is made：
I：Fire retardant modification：Solid halogen-free flame retardants, Fanglun slurry cake, Nano carbon white are added in kneader and added Thermal agitation, mixing speed are 350-400 revs/min, are heated to 40-60 DEG C, start to spray silane coupling agent, continue heating and stir It mixes, is stirred 10-15 minutes at a temperature of 120 DEG C -130 DEG C, surface modified flame-retardant agent is made；
II：High-speed kneading preplasticizing：By polypropylene（PP）, polypropylene grafted maleic anhydride copolymer (PP-g-MA), oxidation Zinc, stearic acid, paraffin oil, accelerating agent, anti-aging agent, conductive black, plasticizer, liquid halogen-free flame retardants, lead stearate, two alkali formulas Lead titanates, antistatic agent, surface modified flame-retardant agent sequentially add in high-speed mixer, and mixing velocity is 1200-1400 revs/min Clock mixes 10-15 minutes at a temperature of 140 DEG C -150 DEG C, and preformed material is made；
III：Cold mixing：It is added in low speed mixer after the II preformed materials walked are cooled to room temperature, sequentially adds powder Nitrile rubber (PNBR), thermoplastic polyurethane elastomer (TPU), sulphur, cumyl peroxide (DCP) mix 5- under room temperature 10 minutes, cold mix was made in 150-250 revs/min of mixing machine speed；
：It is granulated：Particulate material, comminutor screw speed is made by dual-screw pelletizer in the III cold mix walked 450-600 revs/min, 170 DEG C -180 DEG C of temperature.
(2) belt carcass dipping sizing material is prepared：
1) composition of dipping sizing material by weight described in is：EPVC100 parts, MDI15 parts, 12 parts of liquid nitrile rubber, 30 parts of 60 parts of DOS, TBEP, 30 parts of TOP, 25 parts of ammonium polyphosphate, 25 parts of magnesium hydroxide, 20 parts of epoxidized soybean oil, liquid barium zinc 4 parts of compound stabilizer.
2) above-mentioned sizing material is whisked into mixing, grinding, deaeration, dipping adhesive paste material is made:
I：High-speed stirred mixes：By EPVC, MDI, liquid nitrile rubber, DOS, TBEP, TOP, ammonium polyphosphate, hydroxide Magnesium, epoxidized soybean oil, liquid barium zinc compound stabilizer sequentially add in high speed dispersor, high-speed stirred under room temperature, blender speed 2500-2900 revs/min of degree, mixing time 20--30 minutes, paste viscosity 4000--5500Pa.S；
II：Grinding：I is walked the mixed thickener of high-speed stirred to grind three times by three-roll grinder, grinder roll spacing 0.15-0.25mm, 500-750 revs/min of rotating speed；
III:Deaeration：By the thickener after II step grindings by vacuum degasing machine deaeration, vacuum degree -0.05MPa to - Room temperature deaeration 20-30 minutes under conditions of 0.085MPa, are then placed in belt carcass impregnating bath.
(3) belt carcass impregnation, plasticizing：
1) belt carcass impregnation：Fabric whole belt core is under the drive of dragger, with 1.0-1.2 ms/min of speed by filling The impregnating bath and vacuum tank of full thickener impregnate thickener, 11 meters of vacuum tank height, vacuum degree -0.05MPa to -0.085Mpa；
2) belt carcass is plasticized：Belt carcass after impregnation enters plasticizing box plasticizing, 170 DEG C -190 DEG C of plasticization temperature, plasticizing box length 30 meters, speed of the belt carcass in plasticizing box is consistent with impregnation speed.
(4) extrusion coating is molded：By the coating particulate material of (2) step by two extruders and mold dynamic vulcanization, directly It connects and fits together in hot state with the plasticizing belt carcass of (3) step, coating 5mm；
Extruder rotating speed：30-50 revs/min；
Extruder temperature：170℃-180℃；
Mold temperature：170℃-180℃；
145 DEG C -165 DEG C of belt carcass surface temperature.
After tested, hydrogen halide content is 78 PPM in the flue gas generated when the conveyer belt burning of the present embodiment, halogen 41 PPM of total amount, produces 43 SDR of smoke density, remaining index all meets MT914-2008《The fire-retardant conveying of coal mine fabric solid-woven Band》Standard requirement.

Claims (2)

1. a kind of low halogen, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt, including coating, fabric whole belt core and belt carcass impregnate sizing material, It is characterized in that：
The composition of the coating by weight is：30-40 parts of polypropylene, 30-40 parts of powder nitrile rubber, thermoplastic poly ammonia 25-35 parts of ester elastomer, 5-10 parts of polypropylene grafted maleic anhydride copolymer, 3 parts of zinc oxide, 1.5 parts of stearic acid, paraffin oil 2 Part, 1-1.5 parts of sulphur, 2-3 parts of cumyl peroxide, 1-2 parts of accelerating agent, 1-2 parts of anti-aging agent, 10-15 parts of conductive black are received 10-15 parts of off-white carbon black, 8-10 parts of Fanglun slurry cake, 10-20 parts of plasticizer, 20-40 parts of liquid halogen-free flame retardants, the resistance of solid Halogen Fire 20-40 parts of agent, 1 part of lead stearate, two 4 parts of alkali formula lead titanates, 1-2 parts of silane coupling agent, 4-6 parts of antistatic agent；
The belt carcass impregnates the composition of sizing material by weight：100 parts of PVC paste resin, diphenylmethane diisocyanate 10-15 parts of ester, 12 parts of liquid nitrile rubber, 40-60 parts of plasticizer, 40-60 parts of liquid halogen-free flame retardants, solid halogen-free flame retardants 30-50 parts, 10-20 parts of epoxidized soybean oil, 2-4 parts of liquid barium zinc compound stabilizer；
The accelerating agent is 2- benzothiazolyl mercaptans, dibenzothiazyl disulfide, N- cyclohexyl -2-[4-morpholinodithio time sulphonyl One kind in amine, tetramethylthiuram disulfide, cadmium diethyl dithiocarbamate or combination；
The anti-aging agent is N- phenyl-alpha-naphthylamines, N- phenyl-beta-naphthylamines, the polymerization of 2,2,4- trimethyl -1,2- dihyaroquinolines Body, 2,2 '-thiobis (4- methyl-6-tert-butylphenols), one kind in N- isopropyls-N '-diphenyl-para-phenylene diamine or combination；
The plasticizer is one kind or combinations thereof in dioctyl phthalate, dioctyl sebacate, dioctyl adipate；
Appointing in tricresyl phosphate, tri butylethyl phosphate, trioctyl phosphate can be selected in the liquid halogen-free flame retardants Meaning is a kind of；
Aluminium hydroxide, magnesium hydroxide, zinc borate, red phosphorus, ammonium polyphosphate, melamine can be selected in the solid halogen-free flame retardants One kind of cyanurate or combinations thereof；
The silane coupling agent is in vinyl trichlorosilane, vinyltriethoxysilane, vinyltrimethoxysilane Any one；
The antistatic agent is alkylbenzene phosphate diethanolamine salt, trihydroxyethyl methyl quaternary ammonium methyl sulfate, octadecane Any one in base dimethyl hydroxy ethyl quaternary ammonium nitrate.
2. the manufacturing method of a kind of low halogen as described in claim l, low cigarette Fabric Solid-woven Fire-resistant Conveyer Belt, which is characterized in that Include the following steps：
(1) covering layer sizing is prepared：
1) composition of covering layer sizing by weight described in is：
30-40 parts of polypropylene, 30-40 parts of powder nitrile rubber, 25-35 parts of thermoplastic polyurethane elastomer, polypropylene grafted horse Come 5-10 parts of acid anhydride copolymer, 3 parts of zinc oxide, 1.5 parts of stearic acid, 2 parts of paraffin oil, 1-1.5 parts of sulphur, cumyl peroxide 2-3 parts, 1-2 parts of accelerating agent, 1-2 parts of anti-aging agent, 10-15 parts of conductive black, 10-15 parts of Nano carbon white, Fanglun slurry cake 8-10 Part, 10-20 parts of plasticizer, 20-40 parts of liquid halogen-free flame retardants, 20-40 parts of solid halogen-free flame retardants, 1 part of lead stearate, two alkali 4 parts of formula lead titanates, 1-2 parts of silane coupling agent, 4-6 parts of antistatic agent；
2) above-mentioned sizing material mixed, be granulated, covering layer sizing particle is made：
I：Fire retardant modification：Solid halogen-free flame retardants, Fanglun slurry cake, Nano carbon white are added in kneader to heat and be stirred It mixes, mixing speed is 350-400 revs/min, is heated to 40-60 DEG C, starts to spray silane coupling agent, continues heating stirring, It is stirred 10-15 minutes at a temperature of 120 DEG C -130 DEG C, surface modified flame-retardant agent is made；
II：High-speed kneading preplasticizing：By polypropylene, polypropylene grafted maleic anhydride copolymer, zinc oxide, stearic acid, paraffin oil, Accelerating agent, anti-aging agent, conductive black, plasticizer, liquid halogen-free flame retardants, lead stearate, two alkali formula lead titanates, antistatic agent, Surface modified flame-retardant agent sequentially adds in high-speed mixer, and mixing velocity is 1200-1400 revs/min, at 140 DEG C -150 DEG C At a temperature of mix 10-15 minutes, preformed material is made；
III：Cold mixing：It is added in low speed mixer after the II preformed materials walked are cooled to room temperature, sequentially adds powdered nitrile rubber Rubber, thermoplastic polyurethane elastomer, sulphur, cumyl peroxide, mixed 5-10 minutes under room temperature, mixing machine speed 150-250 revs/min, cold mix is made；
Ⅳ ：It is granulated：Particulate material, comminutor screw speed 450- is made by dual-screw pelletizer in the III cold mix walked 600 revs/min, 170 DEG C -180 DEG C of temperature；
(2) belt carcass dipping sizing material is prepared:
1) composition of dipping sizing material by weight described in is：
100 parts of PVC paste resin, 10-15 parts of methyl diphenylene diisocyanate, 12 parts of liquid nitrile rubber, plasticizer 40-60 parts, 40-60 parts of liquid halogen-free flame retardants, 30-50 parts of solid halogen-free flame retardants, 10-20 parts of epoxidized soybean oil, liquid barium 2-4 parts of zinc composite stabilizer；
2) above-mentioned sizing material be stirred, ground, deaeration, dipping adhesive paste material is made：
I：High-speed stirred mixes：By PVC paste resin, methyl diphenylene diisocyanate, liquid nitrile rubber, plasticising Agent, liquid halogen-free flame retardants, solid halogen-free flame retardants, epoxidized soybean oil, liquid barium zinc compound stabilizer sequentially add high speed point It dissipates in machine, high-speed stirred under room temperature, 2500-2900 revs/min of agitator speed, mixing time 20-30 minutes, paste viscosity 4000-5500Pa.s；
II：Grinding：I is walked the mixed thickener of high-speed stirred to grind three times by three-roll grinder, grinder roll spacing 0.15- 0.25mm, 500-750 revs/min of rotating speed；
III：Deaeration：By the thickener after II step grindings by vacuum degasing machine deaeration, vacuum degree -0.05MPa to - Room temperature deaeration 20-30 minutes under conditions of 0.085MPa, are then placed in belt carcass impregnating bath；
(3) belt carcass impregnation, plasticizing：
1) belt carcass impregnation：Fabric whole belt core is passed through with 1-2 ms/min of speed full of thickener under the drive of dragger Impregnating bath and vacuum tank impregnate thickener, 11 meters of vacuum tank height, vacuum degree -0.05MPa to -0.085MPa；
2) belt carcass is plasticized：Belt carcass after impregnation enters plasticizing box plasticizing, 170 DEG C -190 DEG C of plasticization temperature, plasticizing box length 30 Rice, speed of the belt carcass in plasticizing box are consistent with impregnation speed；
(4) extrusion coating is molded：By the coating particulate material of (1) step by two extruders and mold dynamic vulcanization, directly with (3) the plasticizing belt carcass of step fits together in hot state：
Extruder rotating speed：30-50 revs/min；
Extruder temperature：170℃-180℃；
Mold temperature：170℃-180℃；
Belt carcass surface temperature：145℃-165℃.
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CN102673942A (en) * 2012-05-11 2012-09-19 甘肃西隆橡胶有限公司 Whole-core flame retardant conveyor belt
CN104592631A (en) * 2015-01-09 2015-05-06 安徽中意胶带有限责任公司 Environment-friendly flame-retardant thermoplastic elastomer and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101172537A (en) * 2007-11-07 2008-05-07 上海永利带业制造有限公司 Flame-proof polyvinyl chloride conveyer belt
CN102673942A (en) * 2012-05-11 2012-09-19 甘肃西隆橡胶有限公司 Whole-core flame retardant conveyor belt
CN104592631A (en) * 2015-01-09 2015-05-06 安徽中意胶带有限责任公司 Environment-friendly flame-retardant thermoplastic elastomer and preparation method thereof

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