CN107501981A - A kind of conveyer belt high-performance rubber and preparation method thereof - Google Patents
A kind of conveyer belt high-performance rubber and preparation method thereof Download PDFInfo
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/22—Oxides; Hydroxides of metals
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- C08K2003/2224—Magnesium hydroxide
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
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Abstract
The present invention provides a kind of conveyer belt high-performance rubber and preparation method thereof, consists of the following composition:Reclaim rubber, sulphur, zinc oxide, functional stuffing, function additive, colouring agent, fire retardant, accelerator, age resistor.Compared with prior art, the present invention has the characteristics that green, fire-retardant, short vulcanization and heat aging property are excellent to reclaim rubber as raw material.Second, using polyacrylic acid coated nano calcium carbonate particulate as functional stuffing, the compatibility between calcium carbonate and rubber matrix is enhanced, improves interface bond strength, improves the mechanical property of high-performance rubber.3rd, using modified nano-titanium dioxide as function additive, function additive is formd, the three-dimensional net structure that functional stuffing is connected with rubber macromolecule chain, so as to which further collaboration improves the combination property of rubber.Therefore, the conveyer belt high-performance rubber for preparing of the present invention has that environmentally friendly, fire-retardant, heat aging property is excellent, short vulcanization and the characteristics of good mechanical properties.
Description
Technical field
The present invention relates to conveyer belt technical field, more particularly to a kind of conveyer belt high-performance rubber and preparation method thereof.
Background technology
V belt translation is a kind of will to be moved by conveyer belt, between two or more belt wheels caused by motor or engine rotation
Power, the machine driving form being transmitted in plant equipment, it is light to be widely used in the heavy industry such as automobile, mining industry and food processing etc.
Industry.
Conveyer belt is typically made up of top layer Wide-angle cloth, casing play cotton rope, adhesive layer and compression layer.Conveyer belt is with compression layer
Rubbed with belt wheel and produce power so as to be driven, thus compression layer is easily worn, and compression layer is once worn seriously, conveyer belt
Easily it is pulled off, thus may has influence on normal production, even results in some injury accidents.
Transmission carries certain service life, when it wears to a certain extent, must just change, but the abrasion of tire
Degree is not easy to differentiate, and this has had a strong impact on the use of conveyer belt and production safety.It is considered as desirable by the inventor to if one layer of increase can be known
Other rubber layer, when conveyer belt abrasion shows eye-catching red to conveyer belt when can not use, people can be prompted to change transmission
Band.Meanwhile it still can use the harm for reducing conveyer belt damage suddenly for a period of time and bringing after colour developing.Therefore,
Prepare that environmentally friendly, fire-retardant, heat aging property is excellent, the recognizable high-performance of the conveyer belt of short vulcanization and excellent in mechanical performance
Rubber is significant for the practical application of conveyer belt.
The content of the invention
It is a primary object of the present invention to provide a kind of conveyer belt high-performance rubber and preparation method thereof, have environmental protection,
It is fire-retardant, heat aging property is excellent, short vulcanization and the characteristics of good mechanical properties.
To achieve the above objectives, the technical solution adopted by the present invention is:
A kind of conveyer belt high-performance rubber, is consisted of the following composition:Reclaim rubber 100-120 parts by weight, sulphur 0.5-1
Parts by weight, zinc oxide 1-6 parts by weight, functional stuffing 5-20 parts by weight, function additive 1-5 parts by weight, colouring agent 1-5 parts by weight,
Fire retardant 5-20 parts by weight, accelerator 0.5-2 parts by weight, age resistor 0.5-2 parts by weight, the functional stuffing are polyacrylic acid bag
Cover nano-calcium carbonate particulate;The function additive is modified nano-titanium dioxide.
Preferably, the colouring agent be permanent bordeaux 2B, pyrazolone red, vulcanization is red, quinoline bifurcation ketone is red, naphthol reds and lithol that
One or more in red.
Preferably, the fire retardant is the one or more in aluminium hydroxide and magnesium hydroxide.
Preferably, the accelerator is 2- benzothiazolyl mercaptans and one kind or several in tetramethylthiuram disulfide
Kind.
Preferably, the age resistor is the one or more in MMB, MBZ and MB.
Accordingly, the present invention also provides a kind of preparation method of conveyer belt high-performance rubber, comprises the following steps:Will
100-120 parts by weight recovery rubber is added into Haake torque rheometer, sets 40-60 DEG C of the initial temperature of Haake torque rheometer, rotating speed
For 40-50r/min;After torque is steady, adds 0.5-1 parts by weight sulphur, 1-6 part by weight of zinc oxide, 0.5-2 parts by weight and promote
Agent, fire retardant, 1-5 parts by weight colouring agent, 0.5-2 parts by weight age resistor, 1-5 parts by weight function additive and 5-20 parts by weight functions
Filler, sizing material temperature discharge sizing material when reaching 105-120 DEG C, the function additive is modified nano-titanium dioxide, the function
Filler is polyacrylic acid coated nano calcium carbonate particulate;The sizing material is kneaded on a mill, places 8-24h at room temperature,
Vulcanization, obtains conveyer belt high-performance rubber.
Preferably, the modified nano-titanium dioxide is prepared as follows:Nano titanium oxide and ethanol are mixed,
Ultrasonic disperse, obtain the first suspension;Silane resin acceptor kh-550 is added into first suspension, in 1000-2500r/
Min reacts 8-24h at room temperature, and the mass ratio of the silane resin acceptor kh-550 and nano titanium oxide is 5-20: 100;Centrifugation
Filtering, 6-24h is dried at 60-80 DEG C, obtains modified nano-titanium dioxide.
Preferably, the polyacrylic acid coated nano calcium carbonate particulate is prepared as follows:Step a1) in N2Atmosphere
Under, nano-calcium carbonate and deionized water are mixed, polyvinylpyrrolidone is then added, is stirred under the conditions of 1500-2000r/min
Scattered 10-60min is mixed, the polyvinylpyrrolidone accounts for the 0.5-1% of nano-calcium carbonate quality;Step a2) step a1 is obtained
To suspension under the conditions of 450-750r/min agitating and heating be warming up to 60-85 DEG C, add persulfuric acid after being incubated 5-20min
Potassium;Step a3) acrylic monomers reaction 8-24h is added dropwise into the suspension obtained by step a2, stop reaction, acrylic monomers
Addition accounts for the 50-80% of calcium carbonate quality, and the addition of the potassium peroxydisulfate accounts for the 0.5-2% of acrylic monomers quality;Step
Rapid a4) reaction solution obtained by step a3 is cooled to room temperature after be filtered by vacuum, filter cake is placed in drying box under the conditions of 50-80 DEG C
6-24h is dried, polyacrylic acid coated nano calcium carbonate particulate is obtained after crushing.
Preferably, the colouring agent be permanent bordeaux 2B, pyrazolone red, vulcanization is red, quinoline bifurcation ketone is red, naphthol reds and lithol that
One or more in red.
Preferably, the fire retardant is the one or more in aluminium hydroxide and magnesium hydroxide.
The present invention provides a kind of conveyer belt high-performance rubber and preparation method thereof, consists of the following composition:Recovery rubber,
Sulphur, zinc oxide, functional stuffing, function additive, colouring agent, fire retardant, accelerator, age resistor.Compared with prior art, this hair
It is bright to have the characteristics that green, fire-retardant, short vulcanization and heat aging property are excellent to reclaim rubber as raw material,
Its preparation technology is simple, easy to operate, is suitable for industrialized production.Second, using polyacrylic acid coated nano calcium carbonate particulate as
Functional stuffing, the compatibility between calcium carbonate and rubber matrix is enhanced, and one is formd between rubber matrix and filler
Flexible deformation layer, improve interface bond strength, improve the mechanical property of rubber.3rd, using modified nano-titanium dioxide as
Function additive, its surface form the rubber layer that is firmly combined with, and the rubber macromolecule segment in this layer is hindered strongly because of its motion
Hinder and planar orientation shape is presented, around one layer of rubber layer on function additive and functional stuffing surface, form function additive, work(
The three-dimensional net structure that energy filler is connected with rubber macromolecule chain, so as to which further collaboration improves the comprehensive of rubber
Energy.Therefore, the conveyer belt high-performance rubber for preparing of the present invention has that environmentally friendly, fire-retardant, heat aging property is excellent, short vulcanization
And the characteristics of good mechanical properties.
Embodiment
Describe to be used to disclose the present invention below so that those skilled in the art can realize the present invention.It is excellent in describing below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
The present invention provides a kind of conveyer belt high-performance rubber, consists of the following composition:Reclaim rubber 100-120 weight
Part, sulphur 0.5-1 parts by weight, zinc oxide 1-6 parts by weight, functional stuffing 5-20 parts by weight, function additive 1-5 parts by weight, coloring
Agent 1-5 parts by weight, fire retardant 5-20 parts by weight, accelerator 0.5-2 parts by weight, age resistor 0.5-2 parts by weight, the functional stuffing
For polyacrylic acid coated nano calcium carbonate particulate;The function additive is modified nano-titanium dioxide.
Preferably, the colouring agent be permanent bordeaux 2B, pyrazolone red, vulcanization is red, quinoline bifurcation ketone is red, naphthol reds and
One or more in lithol red.The fire retardant is the one or more in aluminium hydroxide and magnesium hydroxide.The promotion
Agent is the one or more in 2- benzothiazolyl mercaptans and tetramethylthiuram disulfide.The age resistor be MMB, MBZ and
One or more in MB.
Accordingly, the present invention also provides a kind of preparation method of conveyer belt high-performance rubber, comprises the following steps:Will
100-120 parts by weight recovery rubber is added into Haake torque rheometer, sets 40-60 DEG C of the initial temperature of Haake torque rheometer, rotating speed
For 40-50r/min;After torque is steady, adds 0.5-1 parts by weight sulphur, 1-6 part by weight of zinc oxide, 0.5-2 parts by weight and promote
Agent, fire retardant, 1-5 parts by weight colouring agent, 0.5-2 parts by weight age resistor, 1-5 parts by weight function additive and 5-20 parts by weight functions
Filler, sizing material temperature discharge sizing material when reaching 105-120 DEG C, the function additive is modified nano-titanium dioxide, the function
Filler is polyacrylic acid coated nano calcium carbonate particulate;The sizing material is kneaded on a mill, places 8-24h at room temperature,
Vulcanization, obtains conveyer belt high-performance rubber.
Modified nano-titanium dioxide can cooperate with the performance of lifting high-performance rubber as function additive with functional stuffing.It is described
The hydroxyl of the raw material nano titanium dioxide surface of function additive can react with KH-550 hydrophilic radical, be formed with Covalent bonding together
Organics modifications modified nano-titanium dioxide.On the one hand small organic molecule hinders the reunion of nano titanium oxide, separately
On the one hand the adhesion between nano titanium oxide and rubber matrix is enhanced.
Preferably, the modified nano-titanium dioxide is prepared as follows:By nano titanium oxide and second
Alcohol mixes, and ultrasonic disperse, obtains the first suspension;Silane resin acceptor kh-550 is added into first suspension, in 1000-
2500r/min reacts 8-24h at room temperature, and the mass ratio of the silane resin acceptor kh-550 and nano titanium oxide is 5-20:
100;Centrifugal filtration, 6-24h is dried under the conditions of 60-80 DEG C, obtains modified nano-titanium dioxide.
Preparation of the functional stuffing to high-performance rubber has played facilitation, enhances the mechanical property of rubber.The function
Nano-calcium carbonate in filler material is dispersed in suspension, and initiator decomposes generation free radical under heat effect, is dissolved in
Acrylic monomers molecule in water is initiated polymerization and forms the free radical activity chain that one end carries hydrophilic radical.Nanoparticle surface
Positively charged, easily with electronegative free radical activity chain combination, so that its surface hydrophobic strengthens, be advantageous to residual monomer and receiving
Rice calcium carbonate surface polymerization cladding, so as to form nano-calcium carbonate/polyacrylic acid composite particles.
Preferably, the polyacrylic acid coated nano calcium carbonate particulate is prepared as follows:Step a1)
N2Under atmosphere, nano-calcium carbonate and deionized water are mixed, polyvinylpyrrolidone is then added, in 1500-2000r/min bars
10-60min is dispersed with stirring under part, polyvinylpyrrolidone addition accounts for the 0.5-1% of nano-calcium carbonate quality;Step a2) will
The suspension that step a1 is obtained agitating and heating under the conditions of 450-750r/min is warming up to 60-85 DEG C, is added after being incubated 5-20min
Potassium peroxydisulfate, the addition of the potassium peroxydisulfate account for the 0.5-2% of acrylic monomers quality;Step a3) to obtained by step a2
Acrylic monomers reaction 8-24h is added dropwise in suspension, stops reaction, the addition of acrylic monomers accounts for the 50- of calcium carbonate quality
80%;Step a4) reaction solution obtained by step a3 is cooled to room temperature after be filtered by vacuum, filter cake is placed in drying box in 50-80
6-24h is dried under the conditions of DEG C, polyacrylic acid coated nano calcium carbonate particulate is obtained after crushing.
Preferably, the colouring agent be permanent bordeaux 2B, pyrazolone red, vulcanization is red, quinoline bifurcation ketone is red, naphthol reds and
One or more in lithol red.The fire retardant is the one or more in aluminium hydroxide and magnesium hydroxide.The promotion
Agent is the one or more in 2- benzothiazolyl mercaptans and tetramethylthiuram disulfide.The age resistor be MMB, MBZ and
One or more in MB.
From above scheme as can be seen that the invention has the characteristics that:
(1) conveyer belt prepared by the present invention has by the use of recognizable high-performance rubber using rubber is reclaimed as raw material
The features such as green, fire-retardant, short vulcanization and heat aging property are excellent, its preparation technology is simple, easy to operate, is suitable for
Industrialized production;
(2) high-performance rubber that the present invention uses can be used between the top layer and compression layer of conveyer belt, work as conveyer belt abrasion
Conveyer belt is changed to people can be prompted during red rubber;
(3) functional stuffing that uses of the present invention is polyacrylic acid coated nano calcium carbonate particulate, enhancing by polymer carbonic acid
Compatibility between calcium and rubber matrix, a flexible deformation layer is on the other hand formd between rubber matrix and filler, it
Can be relaxed interfacial stress, prevented the expansion of Interface Crack, improved interface bond strength, improve the mechanical property of high-performance rubber
Can, the harm for making it still can suddenly damage and bring using conveyer belt is reduced for a period of time after colour developing;
(4) function additive that the present invention uses is modified nano-titanium dioxide, modified nano-titanium dioxide and rubber layer phase
Capacitive is good, and after filling, modified nano-titanium dioxide surface forms the rubber layer that is firmly combined with, the rubber macromolecule segment in this layer
Planar orientation shape is presented because its motion is hindered strongly, around one layer of rubber on function additive and functional stuffing surface
Layer, forms function additive, the three-dimensional net structure that functional stuffing is connected with rubber macromolecule chain, so as to further cooperate with
Improve the combination property of rubber;
(5) colouring agent that uses of the present invention is for organic pigment, its it is bright-colored it is bright be easy to identify and with suitable heat surely
Qualitative and photostability;
(6) for the present invention using inorganic metal compound as fire retardant, its flame retardant effect is obvious, stability is good, does not wave
Hair, nontoxic, corrosivity is small and cheap.
For a further understanding of the present invention, technical scheme provided by the invention is carried out specifically with reference to embodiment
Bright, protection scope of the present invention is not limited by the following examples.
The chemical reagent that the embodiment of the present invention uses is purchased in market:
Sulphur is purchased from Qingdao Rhein Chemie Corporation;Colouring agent (permanent bordeaux 2B, pyrazolone red, vulcanization is red, quinoline bifurcation ketone is red,
Naphthol reds and lithol red) it is purchased from Hangzhou azalea Chemical Co., Ltd.;Calcium carbonate, titanium dioxide and zinc oxide are purchased from Sichuan
Xin Hong Science and Technology Ltd.s;Aluminium hydroxide and magnesium hydroxide are purchased from Shanghai Jia Shuo trade Co., Ltds;Accelerator (M and TMTD)
Henan Long Ji Chemical Co., Ltd.s are purchased from age resistor (MMB, MBZ and RD).
Embodiment 1
The preparation method of functional stuffing is as follows:
(1) nano-calcium carbonate and deionized water are hybridly prepared into add after the aqueous suspension that mass fraction is 6% and disperseed
Agent polyvinylpyrrolidone, is dispersed with stirring 10min under the conditions of 1500r/min, wherein, polyvinylpyrrolidone addition, which accounts for, to be received
The 0.5% of rice calcium carbonate quality;
(2) initiator is added after agitating and heating is warming up to 60 DEG C under the conditions of the 450r/min by suspension after stable 20min
Potassium peroxydisulfate, its addition account for the 0.5% of acrylic monomers quality;
(3) acrylic monomers reaction 24h is added dropwise into the suspension obtained by step (2), stops reaction, wherein acrylic acid list
The addition of body accounts for the 50% of calcium carbonate quality;
(4) it is filtered by vacuum after reaction solution obtained by step (3) being cooled into room temperature, filter cake is placed in drying box in 50 DEG C of bars
24h is dried under part, dried filter cake is crushed to obtain functional stuffing, it is standby;
Reaction in above-mentioned steps (1) to (4) is in N2Carried out under atmosphere.
The preparation method of function additive is as follows:
(1) after nano titanium oxide and ethanol being hybridly prepared into the suspension that mass fraction is 30-60%, in 200-
Ultrasonic 0.5-2h under conditions of 300W power;
(2) silane resin acceptor kh-550 is added into suspension, reacts 8-24h at room temperature in 1000-2500r/min, its
Middle KH-550 addition accounts for the 5-20% of nano titanium oxide quality;
(3) stop centrifugal filtration after reacting, filter cake is placed in drying box under the conditions of 60-80 DEG C and dries 6-24h, is obtained
Function additive, it is standby.
The preparation method of the recognizable high-performance rubber of conveyer belt, its step are as follows:
120 parts by weight recovery rubber is added in Haake torque rheometer, 40 DEG C of the initial temperature of Haake torque rheometer is set, turned
Speed is 40r/min.After torque is steady, 1 parts by weight sulphur, 6 part by weight of zinc oxide, 2 parts by weight captaxs, 20 weight are added
Part fire retardant aluminium hydroxide, 5 parts by weight colouring agent permanent bordeaux 2B, 2 parts by weight age resistor MMB, 1 parts by weight function additive and 5
Parts by weight functional stuffing, sizing material temperature discharge sizing material when reaching 105 DEG C.By the sizing material being kneaded in Haake torque rheometer in mill
Further on machine to be kneaded uniform, triangle bag is beaten three times in left and right, it is thin lead to five times after, bottom sheet.After elastomeric compound parks 8h at room temperature,
Vulcanization obtains high-performance rubber on vulcanizing press, sulfide stress 10MPa, 160 DEG C of curing temperature, and cure time is
150s。
Embodiment 2
The preparation method of functional stuffing is as follows:
(1) nano-calcium carbonate and deionized water are hybridly prepared into add after the aqueous suspension that mass fraction is 10% and disperseed
Agent polyvinylpyrrolidone, is dispersed with stirring 60min under the conditions of 2000r/min, wherein, polyvinylpyrrolidone addition, which accounts for, to be received
The 1% of rice calcium carbonate quality;
(2) initiator mistake is added after agitating and heating is warming up to 85 DEG C under the conditions of the 750r/min by suspension after stable 5min
Potassium sulfate, its addition account for the 2% of acrylic monomers quality;
(3) acrylic monomers reaction 8h is added dropwise into the suspension obtained by step (2), stops reaction, wherein acrylic acid list
The addition of body accounts for the 80% of calcium carbonate quality;
(4) it is filtered by vacuum after reaction solution obtained by step (3) being cooled into room temperature, filter cake is placed in drying box in 80 DEG C of bars
6h is dried under part, dried filter cake is crushed to obtain functional stuffing, it is standby;
Reaction in above-mentioned steps (1) to (4) is in N2Carried out under atmosphere.
The preparation method of function additive is as follows:
(1) after nano titanium oxide and ethanol being hybridly prepared into the suspension that mass fraction is 30-60%, in 200-
Ultrasonic 0.5-2h under conditions of 300W power;
(2) silane resin acceptor kh-550 is added into suspension, reacts 8-24h at room temperature in 1000-2500r/min, its
Middle KH-550 addition accounts for the 5-20% of nano titanium oxide quality;
(3) stop centrifugal filtration after reacting, filter cake is placed in drying box under the conditions of 60-80 DEG C and dries 6-24h, is obtained
Function additive, it is standby.
The preparation method of the recognizable high-performance rubber of conveyer belt, its step are as follows:
120 parts by weight recovery rubber is added in Haake torque rheometer, 60 DEG C of the initial temperature of Haake torque rheometer is set, turned
Speed is 50r/min.After torque is steady, 0.5 parts by weight sulphur, 3 part by weight of zinc oxide, 1 parts by weight Vulcanization accelerator TMTD, 10 are added
Parts by weight of flame retardant magnesium hydroxide, 3 parts by weight vulcanize red, 1 parts by weight antioxidant MB Z, 2 parts by weight function additives and 20 weight
Part functional stuffing, sizing material temperature discharge sizing material when reaching 110 DEG C.By the sizing material being kneaded in Haake torque rheometer on a mill
Further to be kneaded uniform, triangle bag is beaten three times in left and right, it is thin lead to five times after, bottom sheet.After elastomeric compound parks 16h at room temperature,
Vulcanization obtains high-performance rubber, sulfide stress 20MPa, 170 DEG C of curing temperature, cure time 120s on vulcanizing press.
Embodiment 3
The preparation method of functional stuffing is as follows:
(1) nano-calcium carbonate and deionized water are hybridly prepared into add after the aqueous suspension that mass fraction is 10% and disperseed
Agent polyvinylpyrrolidone, is dispersed with stirring 10min under the conditions of 2000r/min, wherein, polyvinylpyrrolidone addition, which accounts for, to be received
The 0.5% of rice calcium carbonate quality;
(2) initiator mistake is added after agitating and heating is warming up to 85 DEG C under the conditions of the 750r/min by suspension after stable 5min
Potassium sulfate, its addition account for the 0.5% of acrylic monomers quality;
(3) acrylic monomers reaction 8h is added dropwise into the suspension obtained by step (2), stops reaction, wherein acrylic acid list
The addition of body accounts for the 50% of calcium carbonate quality;
(4) it is filtered by vacuum after reaction solution obtained by step (3) being cooled into room temperature, filter cake is placed in drying box in 80 DEG C of bars
6h is dried under part, dried filter cake is crushed to obtain functional stuffing, it is standby;
Reaction in above-mentioned steps (1) to (4) is in N2Carried out under atmosphere.
The preparation method of function additive is as follows:
(1) after nano titanium oxide and ethanol being hybridly prepared into the suspension that mass fraction is 30-60%, in 200-
Ultrasonic 0.5-2h under conditions of 300W power;
(2) silane resin acceptor kh-550 is added into suspension, reacts 8-24h at room temperature in 1000-2500r/min, its
Middle KH-550 addition accounts for the 5-20% of nano titanium oxide quality;
(3) stop centrifugal filtration after reacting, filter cake is placed in drying box under the conditions of 60-80 DEG C and dries 6-24h, is obtained
Function additive, it is standby.
The preparation method of the recognizable high-performance rubber of conveyer belt, its step are as follows:
100 parts by weight recovery rubber is added in Haake torque rheometer, 60 DEG C of the initial temperature of Haake torque rheometer is set, turned
Speed is 50r/min.After torque is steady, add 0.5 parts by weight sulphur, 1 part by weight of zinc oxide, 0.5 parts by weight Vulcanization accelerator TMTD,
5 parts by weight of flame retardant magnesium hydroxides, 1 parts by weight colouring agent lithol red, 0.5 parts by weight antioxidant MB, 5 parts by weight function additives
And 20 parts by weight functional stuffings, sizing material temperature discharge sizing material when reaching 120 DEG C.The sizing material that will be kneaded in Haake torque rheometer
Further on a mill to be kneaded uniform, triangle bag is beaten three times in left and right, it is thin lead to five times after, bottom sheet.Elastomeric compound stops at room temperature
After putting 24h, on vulcanizing press vulcanization obtain high-performance rubber, sulfide stress 25MPa, 180 DEG C of curing temperature, during vulcanization
Between be 100s.
Comparative example 1
Conveyer belt with the preparation method of recognizable high-performance rubber with embodiment 2, do not add simply functional stuffing and
Function additive.
Comparative example 2
Conveyer belt is with the preparation method of recognizable high-performance rubber with embodiment 2, and simply functional stuffing is only nanometer
Calcium carbonate, function additive are only nano titanium oxide.
Comparative example 3
Functional stuffing and conveyer belt use the preparation method of recognizable high-performance rubber not add simply with embodiment 2
Add fire retardant.
Comparative example 4
Conveyer belt, with embodiment 2, does not add functional stuffing simply with the preparation method of recognizable high-performance rubber.
Comparative example 5
Conveyer belt, with embodiment 2, does not add function additive simply with the preparation method of recognizable high-performance rubber.
Tensile strength is tested according to GB/T 528-2009;Shao Er A type hardness testers are tested according to GB/T 531-2008;It is heat-resisting old
Change and tested according to GB/T 3512-2001, test condition is 150 DEG C of temperature, time 24h;The measure of fire resistance is according to GB/T
10707-89 oxygen index methods are tested.
The performance parameter of conveyer belt high-performance rubber prepared by the embodiment of table 1 and comparative example
The performance parameter of conveyer belt high-performance rubber prepared by the embodiment of continued 1 and comparative example
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of conveyer belt high-performance rubber, it is characterised in that consist of the following composition:
Reclaim rubber 100-120 parts by weight, sulphur 0.5-1 parts by weight, zinc oxide 1-6 parts by weight, functional stuffing 5-20 parts by weight,
Function additive 1-5 parts by weight, colouring agent 1-5 parts by weight, fire retardant 5-20 parts by weight, accelerator 0.5-2 parts by weight, age resistor
0.5-2 parts by weight,
The functional stuffing is polyacrylic acid coated nano calcium carbonate particulate;
The function additive is modified nano-titanium dioxide.
2. conveyer belt high-performance rubber according to claim 1, it is characterised in that the colouring agent be permanent bordeaux 2B,
Pyrazolone red, vulcanization is red, quinoline bifurcation ketone is red, the one or more in naphthol reds and lithol red.
3. conveyer belt high-performance rubber according to claim 1, it is characterised in that the fire retardant be aluminium hydroxide and
One or more in magnesium hydroxide.
4. conveyer belt high-performance rubber according to claim 1, it is characterised in that the accelerator is 2- mercapto benzene
And the one or more in thiazole and tetramethylthiuram disulfide.
5. conveyer belt high-performance rubber according to claim 1, it is characterised in that the age resistor be MMB, MBZ and
One or more in MB.
6. a kind of preparation method of conveyer belt high-performance rubber, it is characterised in that comprise the following steps:
100-120 parts by weight recovery rubber is added into Haake torque rheometer, the initial temperature 40-60 of Haake torque rheometer is set
DEG C, rotating speed 40-50r/min;
After torque is steady, 0.5-1 parts by weight sulphur, 1-6 part by weight of zinc oxide, 0.5-2 parts by weight accelerator, fire-retardant is added
Agent, 1-5 parts by weight colouring agent, 0.5-2 parts by weight age resistor, 1-5 parts by weight function additive and 5-20 parts by weight functional stuffings, glue
Material temperature degree discharges sizing material when reaching 105-120 DEG C, the function additive is modified nano-titanium dioxide, and the functional stuffing is poly-
Acrylic acid coated nano calcium carbonate particulate;
The sizing material is kneaded on a mill, places 8-24h at room temperature, vulcanizes, obtains conveyer belt high-performance rubber.
7. preparation method according to claim 6, it is characterised in that the modified nano-titanium dioxide is as follows
Prepare:
Nano titanium oxide and ethanol are mixed, ultrasonic disperse, obtain the first suspension;
Silane resin acceptor kh-550 is added into first suspension, reacts 8-24h at room temperature in 1000-2500r/min, institute
The mass ratio for stating silane resin acceptor kh-550 and nano titanium oxide is 5-20: 100;
Centrifuge, 6-24h is dried at 60-80 DEG C, obtains modified nano-titanium dioxide.
8. preparation method according to claim 6, it is characterised in that the polyacrylic acid coated nano calcium carbonate particulate is pressed
Prepared according to following method:
Step a1) in N2Under atmosphere, nano-calcium carbonate and deionized water are mixed, then add polyvinylpyrrolidone,
10-60min is dispersed with stirring under the conditions of 1500-2000r/min, the polyvinylpyrrolidone accounts for the 0.5- of nano-calcium carbonate quality
1%;
Step a2) suspension that the obtains step a1 agitating and heating under the conditions of 450-750r/min is warming up to 60-85 DEG C, insulation
Potassium peroxydisulfate is added after 5-20min;
Step a3) acrylic monomers reaction 8-24h is added dropwise into the suspension obtained by step a2, stop reaction, acrylic monomers
Addition account for the 50-80% of calcium carbonate quality, the addition of the potassium peroxydisulfate accounts for the 0.5-2% of acrylic monomers quality;
Step a4) reaction solution obtained by step a3 is cooled to room temperature after be filtered by vacuum, filter cake is placed in drying box in 50-80 DEG C
Lower dry 6-24h, polyacrylic acid coated nano calcium carbonate particulate is obtained after crushing.
9. preparation method according to claim 6, it is characterised in that the colouring agent be permanent bordeaux 2B, pyrazolone red,
Vulcanize that red, quinoline bifurcation ketone is red, the one or more in naphthol reds and lithol red.
10. preparation method according to claim 6, it is characterised in that the fire retardant is aluminium hydroxide and magnesium hydroxide
In one or more.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111171380A (en) * | 2020-03-12 | 2020-05-19 | 广东轻工职业技术学院 | Coated flame retardant and preparation method thereof |
CN112397801A (en) * | 2020-10-30 | 2021-02-23 | 北京佰利格瑞资源科技有限公司 | Lithium battery material recycling method |
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CN101104712A (en) * | 2006-07-14 | 2008-01-16 | 浙江三力士橡胶股份有限公司 | Nano material modified rubber V belt |
CN104086821A (en) * | 2014-07-02 | 2014-10-08 | 安徽宁国尚鼎橡塑制品有限公司 | High-performance rubber composition for automobiles |
CN105504423A (en) * | 2015-11-24 | 2016-04-20 | 安徽欧耐橡塑工业有限公司 | Rubber conveyor belt and preparation process thereof |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101104712A (en) * | 2006-07-14 | 2008-01-16 | 浙江三力士橡胶股份有限公司 | Nano material modified rubber V belt |
CN104086821A (en) * | 2014-07-02 | 2014-10-08 | 安徽宁国尚鼎橡塑制品有限公司 | High-performance rubber composition for automobiles |
CN105504423A (en) * | 2015-11-24 | 2016-04-20 | 安徽欧耐橡塑工业有限公司 | Rubber conveyor belt and preparation process thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111171380A (en) * | 2020-03-12 | 2020-05-19 | 广东轻工职业技术学院 | Coated flame retardant and preparation method thereof |
CN112397801A (en) * | 2020-10-30 | 2021-02-23 | 北京佰利格瑞资源科技有限公司 | Lithium battery material recycling method |
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