CN109880552A - A kind of bonding glue-line for T4 rank heat-resistant polyester canvas apron and preparation method thereof and its application - Google Patents
A kind of bonding glue-line for T4 rank heat-resistant polyester canvas apron and preparation method thereof and its application Download PDFInfo
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Abstract
The present invention provides a kind of bonding glue-line for T4 rank heat-resistant polyester canvas apron and preparation method thereof and its application, which solve adhesive strengths after it bonds glue-line poor adhesion, aging under existing conveyer belt high temperature to lose big technical problem, it is equipped with adhesive glue, adhesive glue feed components form as follows according to parts by weight: 4,045 60~70 parts of EPDM, 30~40 parts of butadiene-styrene rubber；15~35 parts of carbon black N330,5~20 parts of precipitated silica；3~8 parts of adhesion promoter RICON130MA13, alkyl phenolic resin HY203 is 5~15 parts, 3~6 parts of aromatic naphtha, 3~6 parts of paraffin oil Sunpar2280,3~5 parts of antifatigue PL-600；1~4 part of anti-aging agent RD, 1~4 part of antioxidant MB, 1~3 part of antioxidant MC445；3~8 parts of zinc oxide, 0.5~1.5 part of stearic acid, 1~1.5 part of altax, 1~2 part of vulcanizing agent DCP, 1.2~3 parts of pre dispersed sulfur S-80, while the preparation method and application of the bonding glue-line is additionally provided, it can be widely applied to conveyer belt manufacturing technology field.
Description
Technical field
The present invention relates to conveyer belt manufacturing technology fields, in particular to a kind of to be used for T4 rank heat-resistant polyester canvas apron
Bonding glue-line and preparation method thereof and its application.
Background technique
Cement plant, steel mill are limited by technique, equipment and technical level at present, and temperature of charge is high, common heat-resisting temperature
Often there is delamination, cross-section phenomenon in conveyer belt, and especially many blast furnaces have just been discharged to the clinker on conveyer belt with flare, to conveying
The damage of band is very big, shortens the service life of conveyer belt, is unable to satisfy customer requirement.Study carefully its main cause, produces at present
The rubber cover of high temperature-resistance conveyor belt is ethylene propylene diene rubber, and rubber cover fibrous material adjacent thereto is bonded using bonding glue-line,
Bonding glue-line adhesive strength loss after high temperature ageing is big, leads to occur in high temperature-resistance conveyor belt use delamination, cross-section shows
As shortening the service life of conveyer belt.Therefore, the bonding glue-line for researching and developing a kind of heat-resistant polyester canvas apron is imperative.
Summary of the invention
The purpose of the present invention is to solve the deficiency of above-mentioned technology, provide that bonding force under a kind of high temperature is good, glues after aging
Close small bonding glue-line of T4 rank heat-resistant polyester canvas apron of loss of strength and preparation method thereof and its application, the adhesive glue
Layer is directly bonded with EPDM rubber cover.
For this purpose, the present invention provides a kind of bonding glue-line for T4 rank heat-resistant polyester canvas apron, it is equipped with bonding
Glue, adhesive glue feed components form as follows according to parts by weight:
Rubbery system: EPDM 4045 is 60~70 parts, and butadiene-styrene rubber is 30~40 parts；
Reinforcement system: carbon black N330 is 15~35 parts, and precipitated silica is 5~20 parts；
Thickening plasticising softening system: adhesion promoter RICON130MA13 is 3~8 parts, and alkyl phenolic resin HY203 is 5
~15 parts, aromatic naphtha is 3~6 parts, and paraffin oil Sunpar2280 is 3~6 parts, and antifatigue PL-600 is 3~5 parts；
Preventing aging system: anti-aging agent is that RD is 1~4 part, and antioxidant MB is 1~4 part, and antioxidant MC445 is 1~3 part；
Vulcanizing system: zinc oxide is 3~8 parts, and stearic acid is 0.5~1.5 part, and altax is 1~1.5 part, vulcanizing agent
DCP is 1~2 part, and pre dispersed sulfur is that S-80 is 1.2~3 parts.
Preferably, a kind of above-mentioned bonding glue-line for T4 rank heat-resistant polyester canvas apron, adhesive glue raw material are each
Component forms as follows according to parts by weight:
EPDM 4045 is 65~70 parts, and butadiene-styrene rubber is 30~40 parts；Carbon black N330 is 30~35 parts, precipitation method hard charcoal
Black is 5~20 parts；Adhesion promoter RICON130MA13 is 5~8 parts, and alkyl phenolic resin HY203 is 5~15 parts, aromatic naphtha
It is 2~5 parts, paraffin oil Sunpar2280 is 4~6 parts, and antifatigue PL-600 is 4~5 parts；Anti-aging agent is that RD is 1.5~3
Part, antioxidant MB is 1.5~3 parts, and antioxidant MC445 is 1.5~2 parts；Zinc oxide is 5~8 parts, and stearic acid is 0.5~1 part,
Altax is 1.3~1.5 parts, and vulcanizing agent DCP is 1.7~2 parts, and pre dispersed sulfur is that S-80 is 1.2~2.1 parts.
Preferably, a kind of above-mentioned bonding glue-line for T4 rank heat-resistant polyester canvas apron, adhesive glue raw material are each
Component forms as follows according to parts by weight:
EPDM 4045 is 70 parts, and butadiene-styrene rubber is 40 parts；Carbon black N330 is 35 parts, and precipitated silica is 20 parts；Bonding
Promoting agent RICON130MA13 is 8 parts, and alkyl phenolic resin HY203 is 15 parts, and aromatic naphtha is 5 parts, paraffin oil Sunpar2280
It is 5 parts, antifatigue PL-600 is 4.5 parts；Anti-aging agent is that RD is 3 parts, and antioxidant MB is 3 parts, and antioxidant MC445 is 1.5 parts；
Zinc oxide is 8 parts, and stearic acid is 1 part, and altax is 1.5 parts, and vulcanizing agent DCP is 2 parts, and pre dispersed sulfur is that S-80 is 1.5
Part.
A kind of preparation method of above-mentioned bonding glue-line for T4 rank heat-resistant polyester canvas apron, including following step
It is rapid:
(1) it is kneaded: 60~70 parts of EPDM, 4045,30~40 parts of butadiene-styrene rubber being added in mixer, then into mixer
Put into 15~35 parts of carbon black N330,5~20 parts of precipitated silica, 3~8 parts of adhesion promoter RICON130MA13, alkyl
5~15 parts of phenolic resin HY203,3~6 parts of aromatic naphtha, 3~6 parts of paraffin oil Sunpar2280, antifatigue PL-600 3~
5 parts, 1~4 part of anti-aging agent RD, 1~4 part of antioxidant MB, 1~3 part of antioxidant MC445,3~8 parts of zinc oxide, stearic acid 0.5
~1.5 parts, 1~1.5 part of altax control 80~140 DEG C of melting temperature, control mixing time 5~8 minutes；It is subsequent can be
1~2 part of vulcanizing agent DCP, 1.5~3 parts of pre dispersed sulfur S-80 are added in mixer or open mill, control melting temperature
It 50~100 DEG C, controls mixing time 3~5 minutes, bottom sheet is cooling, parks, and obtains rubber compound.
(2) heat refining: sending rubber compound obtained by step (1) into open mill and slightly refined, and roller temperature is controlled at 45~60 DEG C, sizing material
Soften uniform packet roller, then last volume after turning over glue 3 times is re-fed into open mill and is refined, and at 60~80 DEG C, the time is controlled for roller temperature control
System obtained the adhesive glue in heat-resistant polyester canvas apron adhesive layer at 5~8 minutes.
(3) canvas double sided stick adhesive process: the good adhesive glue of step (2) heat refining is sent into four-roll calender, patch is carried out
Operation.Calender roller temperature need to be preheated, and preheating temperature is upper roller and lower roll temperatures are 80~100 DEG C, and two middle roll temperatures are
70~90 DEG C, polyester canvas single topping determines spread with a thickness of 0.4~0.55mm, according to polyester canvas model, posts viscous
The polyester canvas for closing glue is crimped well with shield pad in case conveying belt forming use, is made for heat-resistant polyester canvas apron
Bonding glue-line.
Preferably, EP150 type polyester canvas single topping thickness is preferably 0.4mm, EP200 type polyester canvas single topping
Thickness is preferably 0.45mm, and EP250 type polyester canvas single topping thickness is preferably 0.5mm, EP300 type polyester canvas single side patch
Glue thickness is preferably 0.55mm.
A kind of application of above-mentioned bonding glue-line for T4 rank heat-resistant polyester canvas apron, bonding glue-line and covering
Glue directly bonds, and includes ethylene propylene diene rubber in the rubbery system in the formula of rubber cover.
Due to by ethylene propylene diene rubber tack and with existing polyester dipped canvas impregnation system bond properties difference,
Though natural rubber has excellent processing performance and self-adhesion, heat aging property is not as good as butadiene-styrene rubber, and the present invention bonds
Glue-line is directly bonded with EPDM rubber cover, therefore uses the ethylene propylene diene rubber that ENB content is moderate and processing technology is excellent
EPDM4045 is used in combination with butadiene-styrene rubber, in order to improve the heat aging property of conveyer belt, reaches as defined in GB/T20021-2017
The heat resistance of T4 rank, the present invention, which bonds in glue-line rubbery system, cannot be added natural rubber, otherwise can reduce conveyer belt
Heat aging property.And butadiene rubber is the rubber that resistance to low temperature is best in general purpose rubber, is also unsuitable in rubbery system
Inside it is used in combination.
Ethylene propylene diene rubber EPDM4045 and butadiene-styrene rubber intensity itself are very low, it is necessary to just be able to satisfy usability by reinforcement
Energy.The present invention is used in combination using carbon black N330 and precipitated silica, and carbon black N330 belongs to high wearable furnace black, and reinforcing property is high；
The existing reinforcing property of precipitated silica, and can increase the bond properties of sizing material of the present invention Yu polyester canvas, and cost can be reduced.
Since rubbery system of the present invention is based on EPDM 4045, though using with butadiene-styrene rubber and with improve heat-proof aging
Performance, and sizing material self-adhesion makes moderate progress, but the bond properties and craftsmanship being not met by 180 DEG C of T4 rank highest
It can require, and ethylene propylene diene rubber EPDM4045 and butadiene-styrene rubber poor compatibility, it has been investigated that, the bonding with coupled action
Promoting agent maleation polybutadiene (RICON130MA13) can greatly improve ethylene propylene diene rubber EPDM4045 and fourth
Benzene rubber compatibility significantly improves the bond properties of adhesive glue of the present invention Yu polyester canvas, and does not influence present invention bonding glue-line
Heat aging performance.
The viscosity of rubber plays a significant role multi-layer product processing technology as conveyer belt, and viscosity is too small to be easy to make
It is disengaged at sizing material adhesive interface, the viscosity of ethylene propylene diene rubber EPDM4045 and butadiene-styrene rubber is all poorer than natural rubber, therefore necessary
Tackifier are added.Through studying, alkyl phenolic resin HY203, as non-thermal-reactive alkyl phenolic resin, embodiment uses Shanxi
Chemical institute product, it is big with rubbery system compatibility of the present invention, and viscosity is kept, and does not influence the adhesive glue after vulcanization
The physical and chemical properties of layer, the ageing-resistant performance and chemical stability of the bonding glue-line after can also promoting vulcanization.
It has been investigated that aromatic naphtha is the best softening agent of butadiene-styrene rubber, paraffin oil Sunpar2280 is ethylene-propylene-diene monomer
Glue EPDM4045 best softening agent, therefore be used in combination using the two, it is indispensable, it was not only able to satisfy rubber softening requirement, but also will not be right
Adhesive glue is impacted with the bond properties of polyester canvas and the heat aging property of bonding glue-line, and can reduce cost.Separately
Outside, antifatigue PL-600 is added in the present invention, reduces conveyer belt to the greatest extent and deflects fatigue to the shadow of adhesive glue bond properties
It rings.
Anti-aging agent currently used for heat resistance conveyor belt adhesive glue has: RD, BLE, MB, MC, 4010NA etc., it has been investigated that,
The present invention is used in combination according to current anti-aging agent one or more, and heat aging property is undesirable at 180 DEG C of T4 rank highest, and
Easily there is bloom phenomenon, the serious bond properties for influencing adhesive glue and polyester canvas, and by anti-aging agent RD, antioxidant MB and resists
Oxygen agent MC445 three simultaneously bonds the heat aging property of glue-line with that can significantly improve conveyer belt of the present invention, and will not generate spray
White phenomenon will not impact the bond properties of adhesive glue and polyester canvas.
It has been investigated that the present invention using organic peroxide vulcanizing agent DCP and pre dispersed sulfur S-80 and with vulcanize body
System, not only can guarantee the bond properties of adhesive glue Yu polyester canvas, but also can utmostly improve the heat aging property of bonding glue-line.
The present invention uses direct sulfuration adhesion system, makes to bond glue-line adhesive strength height under normal, high temperature, heat aging property is good, behaviour
Make simple process, manufacturing cost is low, suitable for mass production.
The beneficial effects of the present invention are: the present invention provides a kind of adhesive glue for T4 rank heat-resistant polyester canvas apron
Layer and preparation method thereof and its application by rubbery system, reinforcement system, vulcanizing system, softening thickening Plasticising system, prevent old body
It is the bonding glue-line that high-heat-resistant conveyer belt finished product is made after mixing, the vulcanization of heat refining calendering formation.Resistance to hot polymerization prepared by the present invention
The bonding glue-line of ester canvas apron, it is directly bonding with EPDM rubber cover, it not only simplifies production technology and maintains again often
The lower high adhesion of temperature has excellent ageing-resistant performance but also keeping higher bond properties under 180 DEG C of high temperature, aging
Adhesive strength loss is small afterwards, reduces and occurs being bubbled delamination and the cross-section phenomenon of conveyer belt under conveyer belt high temperature.
Specific embodiment
The present invention is further explained in the light of specific embodiments, to help the contents of the present invention are understood.The present invention
Used in method unless otherwise required, be conventional method；Used raw material and device, unless otherwise required,
For conventional commercial product.
Raw material described in following embodiment are market purchase.Wherein, EPDM 4045 is Jilin Petrochemical product, butylbenzene
Rubber is Qilu Petrochemical product；Carbon black N330 is Shandong Teng Sheng Fine Chemical Co., Ltd, and precipitated silica is Qingzhou connection section
White carbon black Co., Ltd product；Adhesion promoter RICON130MA13 is U.S.'s product, and alkyl phenolic resin HY203 is Shanxi
Work research institute product, aromatic naphtha are CPC Corporation, Taiwan's product, and paraffin oil Sunpar2280 is Sun Company, Inc., the U.S.
Product, antifatigue PL-600 Huangyan, Zhejiang East Sea chemical products；Antioxidant MB, RD and altax are the luxuriant woods new material in Henan
Science and Technology Ltd.'s product, antioxidant MC445 are Nantong newly long chemical products；Zinc oxide is the production of Linqu Cheng Ming Trade Co., Ltd.
Product, stearic acid are the strong auxiliary agent Co., Ltd product of the high close friend in Shandong, and vulcanizing agent DCP is Dutch Aksu product, pre dispersed sulfur
S-80 is Weihai sky new material Science and Technology Ltd. product.
Embodiment 1, embodiment 2, embodiment 3, embodiment 4, one kind described in embodiment 5 are used for T4 rank heat-resistant polyester sail
Each material content unit in bonding glue formula such as table 1:(table 1 in the bonding glue-line of cloth conveyer belt are as follows: parts by weight)
Table 1: the adhesive glue layer formula of heat-resistant polyester canvas apron
| Recipe ingredient | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| EPDM 4045 | 60 | 70 | 65 | 70 | 68 |
| Butadiene-styrene rubber | 30 | 40 | 35 | 30 | 32 |
| Carbon black N330 | 30 | 35 | 35 | 35 | 15 |
| Precipitated silica | 15 | 20 | 15 | 5 | 20 |
| Adhesion promoter RICON130MA13 | 3 | 8 | 5 | 5 | 8 |
| Alkyl phenolic resin HY203 | 10 | 15 | 12 | 5 | 14 |
| Aromatic naphtha | 3 | 5 | 3 | 2 | 6 |
| Paraffin oil Sunpar2280 | 3 | 5 | 4 | 6 | 3 |
| Antifatigue PL-600 | 3 | 4.5 | 4 | 5 | 5 |
| Anti-aging agent RD | 1 | 3 | 2 | 1.5 | 4 |
| Antioxidant MB | 4 | 3 | 2 | 1.5 | 1 |
| Antioxidant MC445 | 1 | 1.5 | 2 | 1.5 | 3 |
| Zinc oxide | 4 | 8 | 5 | 6 | 3 |
| Stearic acid | 1.5 | 1 | 1 | 0.5 | 0.8 |
| Altax | 1 | 1.5 | 1.3 | 1.5 | 1.4 |
| Vulcanizing agent DCP | 1 | 2 | 1.7 | 1.8 | 2 |
| Pre dispersed sulfur S-80 | 3 | 1.5 | 2.1 | 1.2 | 1.7 |
Above-described embodiment 1, embodiment 2, embodiment 3, embodiment 4, one kind described in embodiment 5 are used for the resistance to hot polymerization of T4 rank
The preparation method of the bonding glue-line of ester canvas apron, comprising the following steps:
(1) it is kneaded: EPDM 4045, butadiene-styrene rubber is added in mixer, then put into carbon black N330 into mixer, sink
Shallow lake method white carbon black, adhesion promoter RICON130MA13, alkyl phenolic resin HY203, aromatic naphtha, paraffin oil Sunpar2280,
Antifatigue PL-600, anti-aging agent RD, antioxidant MB, antioxidant MC445, zinc oxide, stearic acid, altax, control are kneaded
It 80~140 DEG C of temperature, controls mixing time 5~8 minutes；It is subsequent that vulcanizing agent DCP, pre dispersed sulfur S- are added in mixer
80,50~100 DEG C of melting temperature are controlled, is controlled mixing time 3~5 minutes, bottom sheet is cooling, parks, and obtains rubber compound.
(2) heat refining: sending rubber compound obtained by step (1) into open mill and slightly refined, and roller temperature is controlled at 45~60 DEG C, sizing material
Soften uniform packet roller, then last volume after turning over glue 3 times is re-fed into open mill and is refined, and at 60~80 DEG C, the time is controlled for roller temperature control
System obtained the adhesive glue in heat-resistant polyester canvas apron adhesive layer at 5~8 minutes.
(3) canvas double sided stick adhesive process: the good adhesive glue of step (2) heat refining is sent into four-roll calender, patch is carried out
Operation.Calender roller temperature need to be preheated, and preheating temperature is upper roller and lower roll temperatures are 80~100 DEG C, and two middle roll temperatures are
70~90 DEG C, spread is determined according to canvas model, wherein embodiment 1 is EP150 type polyester canvas, single topping thickness
0.4mm；Embodiment 2 is EP200 type polyester canvas, and single topping is with a thickness of 0.45mm；Embodiment 3 is EP200 type polyester sail
Cloth, single topping is with a thickness of 0.45mm；Embodiment 4 is EP250 type polyester canvas, and single topping is with a thickness of 0.5mm；Implement
Example 5 is EP300 type polyester canvas, and single topping is with a thickness of 0.55mm；Post adhesive glue polyester canvas shield pad it is good into
The bonding glue-line for heat-resistant polyester canvas apron is made in case conveying belt forming use in row curling.
It should be noted that in above-mentioned steps (2), it is subsequent vulcanizing agent DCP is added, the operation of pre dispersed sulfur S-80 can also
It is carried out on open mill, controls 50~100 DEG C of melting temperature, controlled mixing time 3~5 minutes, bottom sheet is cooling, parks, and is mixed
Refining glue.
1~embodiment of embodiment 5 distinguishes adhesive glue obtained and bonds mechanical property such as the following table 2 of glue-line, wherein
Comparative example is prior art heat-resistant polyester canvas apron adhesive glue and the mechanical property for bonding glue-line.Test stone is
GB/T20021-2017。
Table 2: the adhesive glue and bonding glue-line mechanical performance data of heat-resistant polyester canvas apron
As can be seen from the above table, comparative example is compared, it is old in 180 DEG C of high-temperature bond strengths and 180 DEG C that the present invention bonds glue-line
Change 168 hours after plunger bond strength be significantly higher than currently available technology level, and with normal temperature adhesive intensity compared with lose compared with
It is small, high adhesion under room temperature had both been maintained, but also keeping higher bond properties under 180 degree high temperature, had been had excellent resistance to
Ageing properties, bonding force is excellent after aging, reaches the heat resistance in relation to T4 rank in GB/T20021-2017 standard, reduces
Occur being bubbled delamination and the cross-section phenomenon of conveyer belt under conveyer belt high temperature.
The bonding glue-line of T4 rank heat-resistant polyester canvas apron prepared by the present invention is applied to the heat-resistant polyester of T4 rank
Canvas apron, and the bonding glue-line can be directly bonding with the conveyer belt coating rubber, eliminates the prior art for adhesive glue
Transition between layer and rubber cover bonds glue-line, to contain ethylene-propylene-diene monomer in the rubbery system in the conveyer belt coating rubber formula
Glue, including ethylene propylene diene rubber is applied alone and ethylene propylene diene rubber and other rubber blendings.The present invention bonds glue-line and can also answer
For in the heat-resistant polyester canvas apron no more than 180 DEG C of heat resistances, such as the patent of invention of Publication No. 104312018A
A kind of disclosed heat resistance conveyor belt rubber cover, rubbery system are that ethylene propylene diene rubber is used in combination with bibasic ethylene propylene rubber, meet 175
The requirement of DEG C heat resisting temperature.
Only as described above, only specific embodiments of the present invention, when the model that cannot be limited the present invention with this and implement
It encloses, therefore the displacement of its equivalent assemblies, or according to equivalent changes and modifications made by the invention patent protection scope, should still belong to this hair
The scope that bright claims are covered.
Claims (6)
1. a kind of bonding glue-line for T4 rank heat-resistant polyester canvas apron is equipped with adhesive glue, which is characterized in that bonding
Glue feed components form as follows according to parts by weight:
EPDM 4045 is 60~70 parts, and butadiene-styrene rubber is 30~40 parts；Carbon black N330 is 15~35 parts, precipitated silica 5
~20 parts；Adhesion promoter RICON130MA13 is 3~8 parts, and alkyl phenolic resin HY203 is 5~15 parts, and aromatic naphtha is 3~6
Part, paraffin oil Sunpar2280 is 3~6 parts, and antifatigue PL-600 is 3~5 parts；Anti-aging agent is that RD is 1~4 part, anti-aging agent
MB is 1~4 part, and antioxidant MC445 is 1~3 part；Zinc oxide is 3~8 parts, and stearic acid is 0.5~1.5 part, altax 1
~1.5 parts, vulcanizing agent DCP is 1~2 part, and pre dispersed sulfur is that S-80 is 1.2~3 parts.
2. a kind of bonding glue-line for T4 rank heat-resistant polyester canvas apron according to claim 1, feature exist
In adhesive glue feed components form as follows according to parts by weight:
EPDM 4045 is 65~70 parts, and butadiene-styrene rubber is 30~40 parts；Carbon black N330 is 30~35 parts, precipitated silica 5
~20 parts；Adhesion promoter RICON130MA13 is 5~8 parts, and alkyl phenolic resin HY203 is 5~15 parts, and aromatic naphtha is 2~5
Part, paraffin oil Sunpar2280 is 4~6 parts, and antifatigue PL-600 is 4~5 parts；Anti-aging agent is that RD is 1.5~3 parts, is prevented old
Agent MB is 1.5~3 parts, and antioxidant MC445 is 1.5~2 parts；Zinc oxide is 5~8 parts, and stearic acid is 0.5~1 part, altax
It is 1.3~1.5 parts, vulcanizing agent DCP is 1.7~2 parts, and pre dispersed sulfur is that S-80 is 1.2~2.1 parts.
3. a kind of bonding glue-line for T4 rank heat-resistant polyester canvas apron according to claim 2, feature exist
In adhesive glue feed components form as follows according to parts by weight:
EPDM 4045 is 70 parts, and butadiene-styrene rubber is 40 parts；Carbon black N330 is 35 parts, and precipitated silica is 20 parts；Bonding is promoted
Agent RICON130MA13 is 8 parts, and alkyl phenolic resin HY203 is 15 parts, and aromatic naphtha is 5 parts, and paraffin oil Sunpar2280 is 5
Part, antifatigue PL-600 is 4.5 parts；Anti-aging agent is that RD is 3 parts, and antioxidant MB is 3 parts, and antioxidant MC445 is 1.5 parts；Oxygen
Changing zinc is 8 parts, and stearic acid is 1 part, and altax is 1.5 parts, and vulcanizing agent DCP is 2 parts, and pre dispersed sulfur is that S-80 is 1.5 parts.
4. a kind of bonding glue-line for T4 rank heat-resistant polyester canvas apron according to claim 1-3
Preparation method, which comprises the following steps:
(1) it is kneaded: EPDM 4045, butadiene-styrene rubber being added in mixer, then put into carbon black N330, the precipitation method into mixer
White carbon black, adhesion promoter RICON130MA13, alkyl phenolic resin HY203, aromatic naphtha, paraffin oil Sunpar2280, resist it is tired
Labor agent PL-600, anti-aging agent RD, antioxidant MB, antioxidant MC445, zinc oxide, stearic acid, altax control melting temperature
It 80~140 DEG C, controls mixing time 5~8 minutes；It is subsequent that vulcanizing agent DCP, pre- point can be added in mixer or open mill
Sulphur S-80 is dissipated, controls 50~100 DEG C of melting temperature, is controlled mixing time 3~5 minutes, bottom sheet is cooling, parks, and is kneaded
Glue；
(2) heat refining: sending rubber compound obtained by step (1) into open mill and slightly refined, and at 45~60 DEG C, sizing material softens for roller temperature control
Then uniform packet roller, last volume after turning over glue 3 times are re-fed into open mill and are refined, at 60~80 DEG C, time control exists for roller temperature control
5~8 minutes, obtain the adhesive glue in heat-resistant polyester canvas apron adhesive layer；
(3) canvas double sided stick adhesive process: the good adhesive glue of step (2) heat refining is sent into four-roll calender, patch operation is carried out；
Calender roller temperature need to be preheated, and preheating temperature is upper roller and lower roll temperatures are 80~100 DEG C, and two middle roll temperatures are 70~90
DEG C, polyester canvas single topping determines spread with a thickness of 0.4~0.55mm, according to polyester canvas model, posts adhesive glue
Polyester canvas is crimped well with shield pad in case conveying belt forming use, is made the bonding for heat-resistant polyester canvas apron
Glue-line.
5. a kind of preparation side of bonding glue-line for T4 rank heat-resistant polyester canvas apron according to claim 4
Method, which is characterized in that EP150 type polyester canvas single topping is with a thickness of 0.4mm, EP200 type polyester canvas single topping thickness
For 0.45mm, EP250 type polyester canvas single topping with a thickness of 0.5mm, EP300 type polyester canvas single topping with a thickness of
0.55mm。
6. a kind of bonding glue-line for T4 rank heat-resistant polyester canvas apron according to claim 1-5
Using, which is characterized in that the bonding glue-line is directly bonded with rubber cover, and in the rubbery system in the formula of the rubber cover
Including ethylene propylene diene rubber.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110628151A (en) * | 2019-10-29 | 2019-12-31 | 重庆长安汽车股份有限公司 | Heat-resistant nitrile butadiene rubber and polyvinyl chloride blended rubber and preparation method thereof |
| CN113290950A (en) * | 2021-03-23 | 2021-08-24 | 上海米莜凯自动化装备有限公司 | Temperature-resistant deformation conveying belt and preparation method thereof |
| CN114456505A (en) * | 2022-03-01 | 2022-05-10 | 青岛科技大学 | Preparation method of high-adhesion-strength Ethylene Propylene Diene Monomer (EPDM) adhesive for high-temperature-resistant conveying belt |
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| CN113290950A (en) * | 2021-03-23 | 2021-08-24 | 上海米莜凯自动化装备有限公司 | Temperature-resistant deformation conveying belt and preparation method thereof |
| CN114456505A (en) * | 2022-03-01 | 2022-05-10 | 青岛科技大学 | Preparation method of high-adhesion-strength Ethylene Propylene Diene Monomer (EPDM) adhesive for high-temperature-resistant conveying belt |
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| CN109880552B (en) | 2021-02-09 |
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Denomination of invention: An adhesive layer for T4 grade heat-resistant polyester canvas conveyor belt and its preparation method and application Effective date of registration: 20230201 Granted publication date: 20210209 Pledgee: Weihai Commercial Bank Co.,Ltd. Rongcheng Ningjin Sub branch Pledgor: WEIHAI RONGHUA TAPE Co.,Ltd. Registration number: Y2023980031872 |
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