CN101580679A - Laminated belt core adhesive for fire retardant canvas conveyer belt and preparation method thereof - Google Patents
Laminated belt core adhesive for fire retardant canvas conveyer belt and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a formula of belt core adhesive for a fire retardant canvas conveyer belt in underground coal mines and a preparation method thereof. The preparation method is characterized in that: neoprene and nitrile rubber are subjected to simultaneous plastication and banburying. The banburying sequence is as follows: firstly adding plasticated neoprene and nitrile rubber, then orderly adding sulfur, zinc oxide, magnesium oxide, age inhibitor, stearic acid, petroleum softener, meta resol thickening agent, semi-strengthening carbon black, white carbon black, pot clay, ester plasticizing agent, liquid chlorinated paraffin and the like for banburying, performing even overturning milling on a mill, and outputting sheets for standby; performing cloth attaching operation of the adhesive on a calendar; and arranging layer cloth on the cloth pasted with the adhesive, and rolling the cloth for forming the conveyer belt. The belt core adhesive used for producing the conveyer belt makes a fire retardant canvas laminated core conveyor belt in the underground coal mines inherit the prior mechanical property of a canvas laminated core conveyer belt and maintain the good fire retardance of a whole woven core conveyer belt.
Description
Technical field
The present invention relates to canvas laminated band core adhesive of a kind of underground mine use fire retardant canvas laminated core conveyer belt and preparation method thereof, be used to make the underground mine use fire retarding conveying band that meets the MT830-1999 standard and produce.
Background technology
(also claiming crossheading to carry) transported in the tunnel of stope under the coal mine, extensively adopts the mode of movement of rubber conveyer.Because fed distance bounces back gradually in the exploitation process, the conveying belt that is disposed needs repeatedly to cut out short and reconnect.Fabric core conveyor belt is easy to severing and very fast the connection most, thereby is widely used on the transfer roller of entry under the coal mine.
Before last century the seventies, it is coventional type canvas core conveyer belt that crossheading is carried used conveying belt.This kind conveying belt mechanical property is fine, and the stable life-span is long, but does not have flame retardant resistance.Production safety under the coal mine there is certain threat.Elastomeric material at that time and formula technique level can't be finished senior fire-retardantization to coventional type canvas core conveyer belt.Thus, after the last century the eighties, coventional type canvas core conveyer belt withdraws from the use market under the coal mine.The substitute is a kind of igelite that utilizes and stick with paste the fire-retardant integral weaving core conveyer belt of dipping, be called for short the PVC conveying belt, the nineties sticks the rubber mass rubber cover on the surface of PVC conveying belt later, is called for short the PVG conveying belt.Up at present, the unique selection that coal mine downhole crossheading is carried has only this PVC, PVG plastic core conveying belt.
Though PVC, PVG conveying belt have satisfied the requirement that coal mine downhole safety is produced aspect high flame retardant, made bigger sacrifice on mechanical property.Concrete defective is as follows:
1, because the softening temperature height of polyvinyl chloride, modulus is big, and made conveying belt hardness is bigger than normal, and in the time of below-10 ℃, the stiff groove forming character difference of belt body and be easy to fracture has a strong impact on normal use.
2, wearing no resistance of igelite only is equivalent to 1/5 of elastomeric material; When using elastomeric material to stick the surface, because two-phase modulus difference is excessive, the thickness of rubber rubber cover is confined in the 2mm, surpass this limit then rubber cover can in use come off.This defective has had a strong impact on the work-ing life of this kind conveying belt.
3, the belt carcass skeleton of this kind conveying belt is a kind of integral weaving structure.During braiding, the braiding path change of warp thread, the sinuousness difference is uneven in length, and stress-strain is not quite similar.This textural defect can cause the conveying belt operation stability poor, is easy to sideslip, and what influence was carried normally carries out.
4, the especially high-level belt body of this kind belt body can only carry out mechanical connection, and strength of joint only is equivalent to be easy to damage with strong by 40%, and maintenance is big.
In view of the above-mentioned defective of PVC, PVG conveying belt, from the nineties in last century, rubber industry is promptly listed the research and development of high flame retardant canvas laminated core conveyer belt within national 863 science and technology items in.
Summary of the invention
One of purpose of the present invention is to overcome the deficiencies in the prior art, a kind of original mechanical property of canvas laminated core conveyer belt of both having inherited is provided, has kept the canvas laminated band core adhesive of the underground mine use fire retardant canvas laminated core conveyer belt of integral weaving core conveyer belt good flame-retardance energy again.
Another object of the present invention provides a kind of preparation method of canvas laminated band core adhesive of above-mentioned underground mine use fire retardant canvas laminated core conveyer belt.
According to technical scheme provided by the invention, the canvas laminated band core adhesive of described underground mine use fire retardant canvas laminated core conveyer belt, it is characterized in that this stickup glue comprises the each component of following weight part: the mixing adjustment type chloroprene rubber of 30～100 weight parts, the paracril of the middle acrylonitrile content of 40～100 weight parts, 0.5 the sulphur of～3 weight parts, the zinc oxide of 1～5 weight part, the magnesium oxide of 1～8 weight part, the anti-aging agent of 1～4 weight part, the promotor of 1～4 weight part, the hard ester acid of 1～4 weight part, the petroleum line softener of 5～12 weight parts, the meta-cresol urea formaldehyde of 4～14 weight parts is tackifier, the semi-reinforcing carbon black of 20～60 weight parts, the white carbon black of 0～20 weight part, the potter's clay of 0～25 weight part, the ester plasticizer of 0～60 weight part, the liquid chlorinated waxes of 0～60 weight part, the epoxy chloroparaffin of 0～80 weight part, the aluminium hydroxide of 15～40 weight parts, No. 70 clorafins of 0～50 weight part, the ammonium polyphosphate of 0～35 weight part, the organic bromine flame retardant of 0～20 weight part, the zinc borate of 0～15 weight part, the antimonous oxide of 0～20 weight part.
Described anti-aging agent is anti-aging agent RD, antioxidant 4010NA or antioxidant BLE;
Described promotor is sulfenamide type accelerators CZ, sulfenamide type accelerators NOBS, thiazole accelerator DM, thiuram type accelerator TMTD, thiuram type accelerator DTDM;
Described petroleum line softener is that oil is coumarone, carbon 5 resins, carbon 9 resins, and resol is that tenderizer is octyl group phenolic aldehyde BN-1, octyl group phenolic aldehyde BN-2;
Described meta-cresol urea formaldehyde is that tackifier are Resorcinol donor RF-90, adhesive A and formaldehyde donor adhesive RS, HMMM;
Described ester plasticizer is DOP, DOA, DOS;
Described organic bromine flame retardant is tetrabromoethane, hexabromo cyclododecane, decabromodiphynly oxide or TBC.
The preparation method of the canvas laminated band core adhesive of above-mentioned underground mine use fire retardant canvas laminated core conveyer belt comprises following steps:
The operation of plasticating: the mixing adjustment type chloroprene rubber of 30～100 weight parts, the paracril of the middle acrylonitrile content of 40～100 weight parts carries out in mill and with plasticating, the roller temperature control is at 30～50 ℃;
Mixing operation: during mixer mixing, the broken-(down)rubber that will contain paracril 40～100 weight parts that mix adjustment type chloroprene rubber 30～100 weight parts and middle acrylonitrile content earlier, banburying is 1 minute in the potter's clay of the semi-reinforcing carbon black of the hard ester acid of the anti-aging agent of the sulphur of 0.5～3 weight part, 1～4 weight part, 1～4 weight part, the petroleum line softener of 5～12 weight parts, 20～60 weight parts, the white carbon black of 0～20 weight part, 0～25 weight part, the input Banbury mixer; The zinc oxide that adds 1～5 weight part then respectively, the magnesium oxide of 1～8 weight part, Resorcinol donor 4～8 weight parts in the meta-cresol urea formaldehyde tackifier, the ester plasticizer of 0～60 weight part, the liquid chlorinated waxes of 0～60 weight part, the epoxy chloroparaffin of 0～80 weight part, the aluminium hydroxide of 15～40 weight parts, No. 70 clorafins of 0～50 weight part, the ammonium polyphosphate of 0～35 weight part, the organic bromine flame retardant of 0～20 weight part, the antimonous oxide of the zinc borate of 0～15 weight part and 0～20 weight part, the refining time was controlled at 3～5 minutes, the machine temperature control is at 70～130 ℃, banburying well is discharged into sizing material in the mill later on and turns refining, add the promotor of 1～4 weight part and formaldehyde donor 2～6 weight parts in the meta-cresol urea formaldehyde tackifier when turning refining, at last glue stuff compounding is pressed into thin slice and sends into and carry out water-cooled in the normal temperature pond, fold to deposit and use in order to the rolling press rubberizing;
The heat refining operation: heat refining carries out in mill, and mill roller temperature will be preheated to 40～60 ℃, and the heat refining degree is 40～60 ℃ of rubber unvulcanizate glue temperature;
Canvas rubberizing operation: the rubber unvulcanizate heat refining is well sent into later and is carried out the patch operation in the rolling press, the canvas rubberizing is carried out on four-roll calender, the calendar rolls temperature need be carried out preheating, preheating temperature is 70～90 ℃ of top rolls, 50～70 ℃ of two central rolls, 40～50 ℃ of lower rolls, the cloth cushioning cloth that posts sizing material is spooled in order to the conveying belt moulding and is used.
After the canvas laminated band core adhesive of underground mine use fire retardant canvas laminated core conveyer belt of the present invention uses, make the canvas laminated belt carcass body of underground mine use fire retardant canvas laminated core conveyer belt both inherit the original mechanical property of plain sail laminated core conveyer belt, kept integral weaving core conveyer belt good flame-retardance energy again.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1: the preparation method of the canvas laminated band core adhesive of a kind of underground mine use fire retardant canvas laminated core conveyer belt of the present invention adopts following processing step:
Get the raw material of the each component of following weight: the mixing adjustment type chloroprene rubber of 30kg as preparation band core adhesive, the paracril of the middle acrylonitrile content of 70kg, the semi-reinforcing carbon black of 20kg, the potter's clay of 25kg, the sulphur of 3kg, the anti-aging agent RD of 1kg, the hard ester acid of 1kg, the oil of 12kg is a coumarone, the Resorcinol donor RF-90 of 4kg, the zinc oxide of 1kg, the magnesium oxide of 8kg, the liquid chlorinated waxes of 60kg, the aluminium hydroxide of 40kg, the ammonium polyphosphate of 35kg, the zinc borate of 15kg, the sulfenamide type accelerators CZ of 3kg.
The operation of plasticating: the mixing adjustment type chloroprene rubber of 30kg, the paracril of the middle acrylonitrile content of 70kg weight part carries out in mill and with plasticating, the roller temperature control is at 50 ℃;
Mixing operation: during mixer mixing, earlier with the broken-(down)rubber of above-mentioned 100kg, the semi-reinforcing carbon black of 20kg, the potter's clay of 25kg, the sulphur of 3kg, the anti-aging agent RD of 1kg, the hard ester acid of 1kg, the oil of 12kg is a coumarone, and the Resorcinol donor RF-90 of 4kg drops in the Banbury mixer, banburying 1 minute; The zinc oxide that adds 1kg then, the magnesium oxide of 8kg, the liquid chlorinated waxes of 60kg, the aluminium hydroxide of 40kg, the ammonium polyphosphate of 35kg, the zinc borate of 15kg, the refining time is adjusted in 3 minutes, and the machine temperature control is at 70 ~ 130 ℃, banburying well is discharged into sizing material in the mill later on and turns refining, the sulfenamide type accelerators CZ that adds 3kg when turning refining is pressed into glue stuff compounding thin slice at last and sends into and carry out water-cooled in the normal temperature pond, folds to deposit in order to the rolling press rubberizing and uses;
The heat refining operation: rubber unvulcanizate must carry out heat refining in mill before the calendering rubberizing, mill roller temperature will be preheated to 40 ℃, and the heat refining degree is 40 ℃ of rubber unvulcanizate glue temperature;
Canvas rubberizing operation: the rubber unvulcanizate heat refining is well sent into later and is carried out the patch operation in the rolling press, the canvas rubberizing is carried out on four-roll calender, the calendar rolls temperature need be carried out preheating, preheating temperature is 70 ℃ of top rolls, 50 ℃ of two central rolls, 40 ℃ of lower rolls, the cloth cushioning cloth that posts sizing material is spooled in order to the conveying belt moulding and is used.
Embodiment 2
The preparation method of the canvas laminated band core adhesive of a kind of underground mine use fire retardant canvas laminated core conveyer belt of the present invention adopts following processing step:
Get the raw material of the each component of following weight: the mixing adjustment type chloroprene rubber of 50kg as the fire retardant canvas band core adhesive of preparation canvas laminated core conveyer belt, the paracril of the middle acrylonitrile content of 50kg, 0.5kg sulphur, the antioxidant 4010NA of 4kg, the hard ester acid of 4kg, carbon 5 resins of 5kg, the adhesive A of 14kg, the white carbon black of 15kg, the semi-reinforcing hydrocarbon black of 20Kg, the pvc resin paste grade of 50kg, the zinc oxide of 5kg, the magnesium oxide of 1kg, the ester plasticizer DOP of 20kg, the epoxy chloroparaffin of 30kg, the aluminium hydroxide of 15kg, No. 70 clorafins of 30kg, the tetrabromoethane of 10kg, the antimonous oxide of 10kg, the sulfenamide type accelerators NOBS of 4kg.
The operation of plasticating: the mixing adjustment type chloroprene rubber of 50kg, the paracril of the middle acrylonitrile content of 50kg carries out in mill and with plasticating, the roller temperature control is at 50 ℃;
Mixing operation: during mixer mixing, to contain the mixing adjustment type chloroprene rubber of 50kg and the middle vinyl cyanide paracril broken-(down)rubber of 50kg, the sulphur of 0.5kg earlier, the antioxidant 4010NA of 4kg, the hard ester acid of 4kg, carbon 5 resins of 5kg, the adhesive A of 14kg, the white carbon black of 15kg, the semi-reinforcing hydrocarbon black of 20Kg drops in the Banbury mixer, banburying 1 minute; The pvc resin paste grade that adds 50kg then, the zinc oxide of 5kg, the magnesium oxide of 1kg, the ester plasticizer DOP of 20kg, the epoxy chloroparaffin of 30kg, the aluminium hydroxide of 15kg, No. 70 clorafins of 30kg, the tetrabromoethane of 10kg, the antimonous oxide of 10kg, the refining time was controlled at 3～5 minutes, the machine temperature control is at 70～130 ℃, behind the Banbury mixer discharge, turn refining with mill again, add the sulfenamide type accelerators NOBS of 4kg when turning refining; Last slice is also sent into the normal temperature pond and is carried out water-cooled, and the edge number after the water-cooled stacks in order to the calendering rubberizing and uses;
The heat refining operation: rubber unvulcanizate must carry out heat refining in mill before the calendering rubberizing, mill roller temperature will be preheated to 40 ℃, and the heat refining degree is 40 ℃ of rubber unvulcanizate glue temperature;
Canvas rubberizing operation: the rubber unvulcanizate heat refining is well sent into later and is carried out the patch operation in the rolling press, the canvas rubberizing is carried out on four-roll calender, the calendar rolls temperature need be carried out preheating, preheating temperature is 70 ℃ of top rolls, 50 ℃ of two central rolls, 40 ℃ of lower rolls, the cloth cushioning cloth that posts sizing material is spooled in order to the conveying belt moulding and is used.
Embodiment 3
The preparation method of the canvas laminated band core adhesive of a kind of underground mine use fire retardant canvas laminated core conveyer belt of the present invention adopts following processing step:
Get the raw material of the each component of following weight: the mixing adjustment type chloroprene rubber of 60kg as the fire retardant canvas band core adhesive of preparation canvas laminated core conveyer belt, the paracril of the middle acrylonitrile content of 40kg, the sulphur of 2kg, the antioxidant BLE of 3kg, the hard ester acid of 2kg, the octyl group phenolic aldehyde BN-1 of 8kg, the semi-reinforcing carbon black of 40kg, the white carbon black of 10kg, the zinc oxide of 4kg, the magnesium oxide of 4kg, the ester plasticizer DOS of 20kg, the epoxy chloroparaffin of 10kg, the aluminium hydroxide of 30kg, No. 70 clorafins of 20kg, the ammonium polyphosphate of 10kg, the hexabromo cyclododecane of 10kg, the zinc borate of 8kg, the antimonous oxide of 10kg, the thiazole accelerator DM of 2kg, the sulfenamide type accelerators CZ of 1kg.
The operation of plasticating: the mixing adjustment type chloroprene rubber of 60kg, the paracril of the middle acrylonitrile content of 40kg carries out in mill and with plasticating, the roller temperature control is at 30～50 ℃;
Mixing operation: during mixer mixing, the semi-reinforcing carbon black, the white carbon black of 10kg of octyl group phenolic aldehyde BN-1,40kg that will contain hard ester acid, the 8kg of antioxidant BLE, the 2kg of sulphur, the 3kg of the middle vinyl cyanide paracril broken-(down)rubber of the mixing adjustment type chloroprene rubber of 60kg and 40kg and 2kg earlier drops in the Banbury mixer banburying 1 minute; The zinc oxide that adds 4kg then, the magnesium oxide of 4kg, the ester plasticizer DOS of 20kg, the epoxy chloroparaffin of 10kg, the aluminium hydroxide of 30kg, No. 70 clorafins of 20kg, the ammonium polyphosphate of 10kg, the hexabromo cyclododecane of 10kg, the zinc borate of 8kg, the antimonous oxide of 10kg, the refining time was controlled at 3～5 minutes, and the machine temperature control is at 70～130 ℃, behind the Banbury mixer discharge, turn refining with mill again, add the thiazole accelerator DM of 2kg when turning refining, the sulfenamide type accelerators CZ of 1kg; Last slice is also sent into the normal temperature pond and is carried out water-cooled, and the edge number after the water-cooled stacks in order to the calendering rubberizing and uses;
The heat refining operation: rubber unvulcanizate must carry out heat refining in mill before the calendering rubberizing, mill roller temperature will be preheated to 40 ℃, and the heat refining degree is 40 ℃ of rubber unvulcanizate glue temperature;
Canvas rubberizing operation: the rubber unvulcanizate heat refining is well sent into later and is carried out the patch operation in the rolling press, the canvas rubberizing is carried out on four-roll calender, the calendar rolls temperature need be carried out preheating, preheating temperature is 70 ℃ of top rolls, 50 ℃ of two central rolls, 40 ℃ of lower rolls, the cloth cushioning cloth that posts sizing material is spooled in order to the conveying belt moulding and is used.
The equipment that relates among the preparation method of the canvas laminated band core adhesive of above-mentioned underground mine use fire retardant canvas laminated core conveyer belt is conventional production unit.
Claims (8)
1, a kind of laminated belt core adhesive of fire retardant canvas conveyer belt, it is characterized in that: comprise following component: the mixing adjustment type chloroprene rubber of 30～100 weight parts, the paracril of the middle acrylonitrile content of 40～100 weight parts, 0.5 the sulphur of～3 weight parts, the zinc oxide of 1～5 weight part, the magnesium oxide of 1～8 weight part, the anti-aging agent of 1～4 weight part, the promotor of 1～4 weight part, the hard ester acid of 1～4 weight part, the petroleum line softener of 5～12 weight parts, the meta-cresol urea formaldehyde of 4～14 weight parts is tackifier, the semi-reinforcing carbon black of 20～60 weight parts, the white carbon black of 0～20 weight part, the potter's clay of 0～25 weight part, the ester plasticizer of 0～60 weight part, the liquid chlorinated waxes of 0～60 weight part, the epoxy chloroparaffin of 0～80 weight part, the aluminium hydroxide of 15～40 weight parts, No. 70 clorafins of 0～50 weight part, the ammonium polyphosphate of 0～35 weight part, the organic bromine flame retardant of 0～20 weight part, the zinc borate of 0～15 weight part, the antimonous oxide of 0～20 weight part.
2, the laminated belt core adhesive of a kind of fire retardant canvas conveyer belt as claimed in claim 1 is characterized in that: described anti-aging agent is anti-aging agent RD, antioxidant 4010NA or antioxidant BLE.
3, the laminated belt core adhesive of a kind of fire retardant canvas conveyer belt as claimed in claim 1, it is characterized in that: described promotor is sulfenamide type accelerators CZ, sulfonamides accelerant N OBS, thiazole accelerator DM, thiuram type accelerator TMTD or thiuram type accelerator PMTM.
4, the laminated belt core adhesive of a kind of fire retardant canvas conveyer belt as claimed in claim 1 is characterized in that: described petroleum line softener is that oil is coumarone, carbon 5 resins, carbon 9 resins, octyl group phenolic aldehyde BN-1 or octyl group phenolic aldehyde BN-2.
5, the laminated belt core adhesive of a kind of fire retardant canvas conveyer belt as claimed in claim 1 is characterized in that: described meta-cresol urea formaldehyde is that tackifier are Resorcinol donor RF-90, adhesive A, adhesive RS or formaldehyde donor HMMM.
6, the laminated belt core adhesive of a kind of fire retardant canvas conveyer belt as claimed in claim 1 is characterized in that: described ester plasticizer is DOP, DOA or DOS.
7, the laminated belt core adhesive of a kind of fire retardant canvas conveyer belt as claimed in claim 1 is characterized in that: described organic bromine flame retardant is tetrabromoethane, hexabromo cyclododecane, decabromodiphynly oxide or TBC.
8, laminated belt core adhesive of the described a kind of fire retardant canvas conveyer belt of claim 1 and preparation method thereof comprises following steps:
The operation of plasticating: the mixing adjustment type chloroprene rubber of 30～100 weight parts, the paracril of the middle acrylonitrile content of 40～100 weight parts carries out in mill and with plasticating, the roller temperature control is at 30～50 ℃;
Mixing operation: during mixer mixing, the broken-(down)rubber that will contain paracril 40～100 weight parts that mix adjustment type chloroprene rubber 30～100 weight parts and middle acrylonitrile content earlier, banburying is 1 minute in the potter's clay of the semi-reinforcing carbon black of the hard ester acid of the anti-aging agent of the sulphur of 0.5～3 weight part, 1～4 weight part, 1～4 weight part, the petroleum line softener of 5～12 weight parts, 20～60 weight parts, the white carbon black of 0～20 weight part, 0～25 weight part, the input Banbury mixer; The zinc oxide that adds 1～5 weight part then respectively, the magnesium oxide of 1～8 weight part, Resorcinol donor 4～8 weight parts in the meta-cresol urea formaldehyde tackifier, the ester plasticizer of 0～60 weight part, the liquid chlorinated waxes of 0～60 weight part, the epoxy chloroparaffin of 0～80 weight part, the aluminium hydroxide of 15～40 weight parts, No. 70 clorafins of 0～50 weight part, the ammonium polyphosphate of 0～35 weight part, the organic bromine flame retardant of 0～20 weight part, the antimonous oxide of the zinc borate of 0～15 weight part and 0～20 weight part, the refining time was controlled at 3～5 minutes, the machine temperature control is at 70～130 ℃, banburying well is discharged into sizing material in the mill later on and turns refining, add the promotor of 1～4 weight part and formaldehyde donor 2～6 weight parts in the meta-cresol urea formaldehyde tackifier when turning refining, at last glue stuff compounding is pressed into thin slice and sends into and carry out water-cooled in the normal temperature pond, fold to deposit and use in order to the rolling press rubberizing;
The heat refining operation: heat refining carries out in mill, and mill roller temperature will be preheated to 40～60 ℃, and the heat refining degree is 40～60 ℃ of rubber unvulcanizate glue temperature;
Canvas rubberizing operation: the rubber unvulcanizate heat refining is well sent into later and is carried out the patch operation in the rolling press, the canvas rubberizing is carried out on four-roll calender, the calendar rolls temperature need be carried out preheating, preheating temperature is 70～90 ℃ of top rolls, 50～70 ℃ of two central rolls, 40～50 ℃ of lower rolls, the cloth cushioning cloth that posts sizing material is spooled in order to the conveying belt moulding and is used.
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| CN102337092A (en) * | 2011-07-22 | 2012-02-01 | 北京化工大学 | Adhesive layer rubber material for high-temperature-resistant canvas conveyor belt and using method thereof |
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