CN111876875A - Single-face corrugated board bonding paper-pressing high-temperature-resistant belt - Google Patents
Single-face corrugated board bonding paper-pressing high-temperature-resistant belt Download PDFInfo
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- CN111876875A CN111876875A CN202010634065.7A CN202010634065A CN111876875A CN 111876875 A CN111876875 A CN 111876875A CN 202010634065 A CN202010634065 A CN 202010634065A CN 111876875 A CN111876875 A CN 111876875A
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0094—Belts
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/22—Polymers or copolymers of halogenated mono-olefins
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
- D06M2101/36—Aromatic polyamides
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
- D10B2101/04—Asbestos
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- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
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- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/04—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
- D10B2321/042—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons polymers of fluorinated hydrocarbons, e.g. polytetrafluoroethene [PTFE]
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- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
- D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/14—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles
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- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/063—Load-responsive characteristics high strength
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Abstract
The invention provides a single-sided corrugated board bonding paper pressing high-temperature resistant belt, which comprises the following steps: (1) preheating treatment: carrying out heat treatment on the yarn with high temperature resistance for 1.5-2h at the temperature of 120-150 ℃, the pressure of 3MPa and the humidity of 95-96%; wherein the yarn comprises Teflon fibers and PBO fibers which are mutually twisted; (2) twisting: merging the yarns subjected to the heat treatment in the step (1) into single-twisted warp yarns; (3) weaving a finished product: warp threads obtained in the step (2) are warp-knitted into a belt with the thickness of 10-12mm and the weight of 6.5-7.0kg/m2Thus obtaining the product. According to the invention, the Teflon fibers and the PBO fibers are mutually twisted to form the yarns, so that the belt woven by the yarns has good high temperature resistance, heat resistance and flame retardance, and the service life of the belt under the conditions of high temperature and high heat is prolonged.
Description
Technical Field
The invention relates to the technical field of belts, in particular to a single-sided corrugated board bonding paper pressing high-temperature resistant belt.
Background
The corrugated board conveying belt is undoubtedly one of the most important components of the corrugated board production line, and the quality of the corrugated board conveying belt has a decisive influence on the quality of corrugated boards, so that the corrugated board conveying belt is concerned by carton factories and tile line manufacturing factories.
Structurally, the dry end of the corrugated board production line uses two types of conveyors: one is a cotton braid which is formed by blending multiple layers of cotton yarns and chemical fibers and weaving the cotton yarns and the chemical fibers by a weaving machine and has the defects of large unit area weight, uneven surface, large friction coefficient and the like. The other is a needle punched belt which is made of polyester fiber and artificial cotton as basic raw materials and processed by a needle punching machine in a plurality of processes, and has the advantages of smooth surface, uniform thickness, no indentation and the like, thereby being more and more favored by the majority of users.
Corrugated board conveyer belt among the prior art generally has following problem: corrugated container board conveyer belt is made by the yarn usually, because of the corrugated container board conveyer belt lasts to operate under the operational environment of high temperature high fever, the yarn has certain shrinkage, make the size of conveyer belt stable inadequately, after weaving the conveyer belt with the yarn among the prior art, pass through high temperature high-pressure thermal treatment again, make the conveyer belt shrink, but when the old money conveyer belt of in-service use, the conveyer belt can shrink once more, corrugated container board conveyer belt is unfavorable for long-term the use under the high temperature high fever condition.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the single-sided corrugated board bonded paper pressing high-temperature resistant belt, and the prepared belt has good high-temperature resistance and heat resistance, so that the corrugated board conveying belt can be conveniently used for a long time under the conditions of high temperature and high heat.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the preparation process of the single-sided corrugated board bonded paper-pressing high-temperature-resistant belt comprises the following steps:
(1) preheating treatment: carrying out heat treatment on the yarn with high temperature resistance for 1.5-2h at the temperature of 120-150 ℃, the pressure of 3MPa and the humidity of 95-96%;
wherein the yarn comprises Teflon fibers and PBO fibers which are mutually twisted;
(2) twisting: merging the yarns subjected to the heat treatment in the step (1) into single-twisted warp yarns;
(3) weaving a finished product: warp threads obtained in the step (2) are warp-knitted into a belt with the thickness of 10-12mm and the weight of 6.5-7.0kg/m2Thus obtaining the product.
Preferably, the yarn further comprises melamine fiber, carbon fiber, aramid fiber and asbestos fiber, and the teflon fiber, the PBO fiber, the melamine fiber, the carbon fiber, the aramid fiber and the asbestos fiber are twisted with each other to obtain the yarn with high temperature resistance.
Preferably, after the belt is prepared, soaking the belt for 2-3 days by using a soaking solution, and then taking out the belt and drying the belt;
the preparation method of the soaking solution comprises the following steps: weighing water-soluble carbon black, kaolin, graphene, sodium dodecyl benzene sulfonate, hydrogen peroxide and water according to a proportion, carrying out preoxidation treatment on the graphene by using the hydrogen peroxide, then carrying out surface activation treatment on the graphene after the preoxidation treatment by using a sodium dodecyl benzene sulfonate solution with the mass fraction of 1%, then mixing the graphene after the activation treatment with the water-soluble carbon black, the kaolin and the water, and uniformly stirring to prepare a soaking solution.
Preferably, the temperature at which the belt is dried is 45-50 ℃.
Preferably, the soaking solution is prepared from the following raw materials in parts by weight: 5-10 parts of water-soluble carbon black, 5-10 parts of kaolin, 3-7 parts of graphene, 0.5-1.5 parts of sodium dodecyl benzene sulfonate, 2-5 parts of hydrogen peroxide and 20-30 parts of water.
Preferably, the stirring speed is 600-800r/min in the process of preparing the soaking solution.
Preferably, the soaking solution is prepared from the following raw materials in parts by weight: 7 parts of water-soluble carbon black, 7 parts of kaolin, 5 parts of graphene, 1 part of sodium dodecyl benzene sulfonate, 3.5 parts of hydrogen peroxide and 25 parts of water.
The invention has the beneficial effects that:
(1) the teflon is polytetrafluoroethylene, and has the characteristics of acid and alkali resistance, organic solvent resistance, high temperature resistance, low friction coefficient and the like; the heat-resistant temperature of the PBO fiber reaches 600 ℃, the limiting oxygen index is 68, the PBO fiber does not burn or shrink in flame, the heat resistance and the flame resistance are higher than those of any other organic fiber, and the Teflon fiber and the PBO fiber are mutually twisted to form the yarn, so that the belt woven by the yarn has good high-temperature resistance, heat resistance and flame resistance, and the service life of the belt under the conditions of high temperature and high heat is prolonged.
(2) The melamine fiber is a high-performance special fiber which is flame-retardant, high-temperature resistant, good in water absorption and good in dyeing property; the carbon fiber has the characteristics of high hardness, high strength, light weight, high chemical resistance and high temperature resistance; the aramid fiber has the excellent performances of high strength, high modulus, high temperature resistance, acid and alkali resistance, light weight, insulation, ageing resistance, long life cycle and the like, the strength of the aramid fiber is 5-6 times that of a steel wire, the toughness of the aramid fiber is 2 times that of the steel wire, the weight of the aramid fiber is only about 1/5 times that of the steel wire, and the aramid fiber is not decomposed, melted and flame-retardant at the temperature of 560 ℃; the asbestos fiber has the characteristics of heat resistance, non-combustion, water resistance, acid resistance, chemical corrosion resistance and the like, and the yarn formed by mutually twisting the Teflon fiber, the PBO fiber, the melamine fiber, the carbon fiber, the aramid fiber and the asbestos fiber has the excellent characteristics of high temperature resistance, heat resistance, flame retardance and the like, so that the service life of the belt under the conditions of high temperature and high heat is further prolonged.
(3) The graphene has the advantages of high strength, stable structure and the like, but the graphene has a high specific surface area and is easy to agglomerate; the hydrogen peroxide is adopted to modify the graphene, so that the hardness of the modified graphene is increased, and the compression resilience is improved; the sodium dodecyl benzene sulfonate is adopted to perform surface activation on the graphene treated by the hydrogen peroxide, so that the agglomeration phenomenon of the graphene can be effectively improved, and the graphene can be uniformly dispersed in a system. The modified graphene is matched with Teflon, so that the mechanical property of the Teflon can be enhanced, and the tensile strength, the crack resistance and the creep relaxation resistance of the belt can be improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the preparation process of the single-sided corrugated board bonded paper-pressing high-temperature-resistant belt comprises the following steps:
(1) preheating treatment: carrying out heat treatment on the yarn with high temperature resistance for 1.5h under the conditions that the temperature is 120 ℃, the pressure is 3MPa and the humidity is 96%;
wherein the yarn comprises Teflon fibers and PBO fibers which are mutually twisted;
(2) twisting: merging the yarns subjected to the heat treatment in the step (1) into single-twisted warp yarns;
(3) weaving a finished product: warp threads obtained in the step (2) are warp-knitted into a belt with the thickness of 12mm, and the weight is 6.5kg/m2Thus obtaining the product.
Example 2:
the preparation process of the single-sided corrugated board bonded paper-pressing high-temperature-resistant belt comprises the following steps:
(1) preheating treatment: carrying out heat treatment on the yarn with high temperature resistance for 2h under the conditions that the temperature is 150 ℃, the pressure is 3MPa and the humidity is 95%;
wherein the yarn comprises Teflon fibers, PBO fibers, melamine fibers, carbon fibers, aramid fibers and asbestos fibers which are mutually twisted;
(2) twisting: merging the yarns subjected to the heat treatment in the step (1) into single-twisted warp yarns;
(3) weaving a finished product: warp threads obtained in the step (2) are warp-knitted into a belt with the thickness of 10mm, and the weight is 7.0kg/m2Thus obtaining the product.
Example 3:
the preparation process of the single-sided corrugated board bonded paper-pressing high-temperature-resistant belt comprises the following steps:
(1) preheating treatment: carrying out heat treatment on the yarn with high temperature resistance for 1.75h under the conditions that the temperature is 135 ℃, the pressure is 3MPa and the humidity is 95.5%;
wherein the yarn comprises Teflon fibers, PBO fibers, melamine fibers, carbon fibers, aramid fibers and asbestos fibers which are mutually twisted;
(2) twisting: merging the yarns subjected to the heat treatment in the step (1) into single-twisted warp yarns;
(3) weaving a finished product: warp threads obtained in the step (2) are warp-knitted into a belt with the thickness of 11mm, and the weight of the belt is 6.75kg/m2Obtaining the product;
(4) soaking: weighing 7 parts of water-soluble carbon black, 7 parts of kaolin, 5 parts of graphene, 1 part of sodium dodecyl benzene sulfonate, 3.5 parts of hydrogen peroxide and 25 parts of water according to a proportion, carrying out pre-oxidation treatment on the graphene by using the hydrogen peroxide, then carrying out surface activation treatment on the pre-oxidized graphene by using a sodium dodecyl benzene sulfonate solution with the mass fraction of 1%, then mixing the activated graphene with the water-soluble carbon black, the kaolin and the water, uniformly stirring at the rotating speed of 700r/min to prepare a soaking solution, soaking the belt obtained in the step (3) for 2.5 days by using the soaking solution, and then taking out the belt and drying the belt in an environment of 47.5 ℃.
Example 4:
the preparation process of the single-sided corrugated board bonded paper-pressing high-temperature-resistant belt comprises the following steps:
(1) preheating treatment: carrying out heat treatment on the yarn with high temperature resistance for 2h under the conditions that the temperature is 150 ℃, the pressure is 3MPa and the humidity is 95%;
wherein the yarn comprises Teflon fibers, PBO fibers, melamine fibers, carbon fibers, aramid fibers and asbestos fibers which are mutually twisted;
(2) twisting: merging the yarns subjected to the heat treatment in the step (1) into single-twisted warp yarns;
(3) weaving a finished product: warp threads obtained in the step (2) are warp-knitted into a belt with the thickness of 12mm, and the weight is 6.5kg/m2Obtaining the product;
(4) soaking: weighing 5 parts of water-soluble carbon black, 5 parts of kaolin, 7 parts of graphene, 1.5 parts of sodium dodecyl benzene sulfonate, 2 parts of hydrogen peroxide and 20 parts of water according to a proportion, carrying out pre-oxidation treatment on the graphene by using the hydrogen peroxide, then carrying out surface activation treatment on the pre-oxidized graphene by using a sodium dodecyl benzene sulfonate solution with the mass fraction of 1%, then mixing the activated graphene with the water-soluble carbon black, the kaolin and the water, uniformly stirring at the rotating speed of 800r/min to prepare a soaking solution, soaking the belt obtained in the step (3) for 3 days by using the soaking solution, and then taking out the belt and drying at the temperature of 45 ℃.
Example 5:
the preparation process of the single-sided corrugated board bonded paper-pressing high-temperature-resistant belt comprises the following steps:
(1) preheating treatment: carrying out heat treatment on the yarn with high temperature resistance for 1.5h under the conditions of 150 ℃ of temperature, 3MPa of pressure and 96% of humidity;
wherein the yarn comprises Teflon fibers, PBO fibers, melamine fibers, carbon fibers, aramid fibers and asbestos fibers which are mutually twisted;
(2) twisting: merging the yarns subjected to the heat treatment in the step (1) into single-twisted warp yarns;
(3) weaving a finished product: warp threads obtained in the step (2) are warp-knitted into a belt with the thickness of 10mm, and the weight is 7.0kg/m2Obtaining the product;
(4) soaking: weighing 10 parts of water-soluble carbon black, 10 parts of kaolin, 3 parts of graphene, 0.5 part of sodium dodecyl benzene sulfonate, 5 parts of hydrogen peroxide and 30 parts of water according to a proportion, carrying out pre-oxidation treatment on the graphene by using the hydrogen peroxide, then carrying out surface activation treatment on the pre-oxidized graphene by using a sodium dodecyl benzene sulfonate solution with the mass fraction of 1%, then mixing the activated graphene with the water-soluble carbon black, the kaolin and the water, uniformly stirring at the rotating speed of 600r/min to prepare a soaking solution, soaking the belt obtained in the step (3) for 2 days by using the soaking solution, and then taking out the belt and drying at the temperature of 50 ℃.
Comparative example 1
This comparative example is compared to example 5 with the difference that no teflon fibres are added.
Comparative example 2
This comparative example is compared to example 5 with the difference that no PBO fiber was added.
Comparative example 3
This comparative example is different from example 5 in that no graphene is added.
Comparative example 4
Compared with example 5, the difference of the comparative example is that hydrogen peroxide is not added.
Comparative example 5
This comparative example is compared to example 5 with the difference that no sodium dodecylbenzenesulfonate is added.
And (3) experimental detection: the belts obtained in examples 1-5 and comparative examples 1-5 were tested for their performance according to the test standards of BB/T0022-.
TABLE 1 results of measuring properties of belts obtained in examples 1 to 5 and comparative examples 1 to 5
In conclusion, the teflon is polytetrafluoroethylene, and has the characteristics of acid and alkali resistance, organic solvent resistance, high temperature resistance, low friction coefficient and the like; the heat-resistant temperature of the PBO fiber reaches 600 ℃, the limiting oxygen index is 68, the PBO fiber does not burn or shrink in flame, the heat resistance and the flame resistance are higher than those of any other organic fiber, and the Teflon fiber and the PBO fiber are mutually twisted to form the yarn, so that the belt woven by the yarn has good high-temperature resistance, heat resistance and flame resistance, and the service life of the belt under the conditions of high temperature and high heat is prolonged. The yarn formed by mutually twisting the Teflon fiber, the PBO fiber, the melamine fiber, the carbon fiber, the aramid fiber and the asbestos fiber has the excellent characteristics of high temperature resistance, heat resistance, flame retardance and the like, so that the service life of the belt under the conditions of high temperature and high heat is further prolonged. The graphene has the advantages of high strength, stable structure and the like, but the graphene has a high specific surface area and is easy to agglomerate; the hydrogen peroxide is adopted to modify the graphene, so that the hardness of the modified graphene is increased, and the compression resilience is improved; the sodium dodecyl benzene sulfonate is adopted to perform surface activation on the graphene treated by the hydrogen peroxide, so that the agglomeration phenomenon of the graphene can be effectively improved, and the graphene can be uniformly dispersed in a system. The modified graphene is matched with Teflon, so that the mechanical property of the Teflon can be enhanced, and the tensile strength, the crack resistance and the creep relaxation resistance of the belt can be improved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The single-sided corrugated board adhesive paper pressing high-temperature resistant belt is characterized in that the preparation process of the belt comprises the following steps:
(1) preheating treatment: carrying out heat treatment on the yarn with high temperature resistance for 1.5-2h at the temperature of 120-150 ℃, the pressure of 3MPa and the humidity of 95-96%;
wherein the yarn comprises Teflon fibers and PBO fibers which are mutually twisted;
(2) twisting: merging the yarns subjected to the heat treatment in the step (1) into single-twisted warp yarns;
(3) weaving a finished product: warp threads obtained in the step (2) are warp-knitted into a belt with the thickness of 10-12mm and the weight of 6.5-7.0kg/m2Thus obtaining the product.
2. The single faced corrugated cardboard bonded platen high temperature resistant belt as claimed in claim 1 wherein said yarns further comprise melamine fiber, carbon fiber, aramid fiber, asbestos fiber, said teflon fiber, PBO fiber, melamine fiber, carbon fiber, aramid fiber and asbestos fiber being twisted with each other to obtain yarns with high temperature resistance.
3. The single-sided corrugated cardboard-bonded paper-pressing high temperature resistant belt as claimed in claim 2, wherein after the belt is manufactured, the belt is soaked with a soaking solution for 2-3 days, and then taken out and dried;
the preparation method of the soaking solution comprises the following steps: weighing water-soluble carbon black, kaolin, graphene, sodium dodecyl benzene sulfonate, hydrogen peroxide and water according to a proportion, carrying out preoxidation treatment on the graphene by using the hydrogen peroxide, then carrying out surface activation treatment on the graphene after the preoxidation treatment by using a sodium dodecyl benzene sulfonate solution with the mass fraction of 1%, then mixing the graphene after the activation treatment with the water-soluble carbon black, the kaolin and the water, and uniformly stirring to prepare a soaking solution.
4. The single faced corrugated cardboard bonded platen high temperature resistant belt of claim 3 wherein the temperature at which the belt is dried is 45-50 ℃.
5. The single-sided corrugated cardboard-bonded paper pressing high temperature resistant belt as claimed in claim 3, wherein the soaking solution is prepared from the following raw materials by weight: 5-10 parts of water-soluble carbon black, 5-10 parts of kaolin, 3-7 parts of graphene, 0.5-1.5 parts of sodium dodecyl benzene sulfonate, 2-5 parts of hydrogen peroxide and 20-30 parts of water.
6. The single-sided corrugated cardboard-bonded paper pressing high temperature resistant belt as claimed in claim 3, wherein the stirring speed is 600-800r/min during the process of preparing the soaking solution.
7. The single-sided corrugated cardboard-bonded paper pressing high temperature resistant belt as claimed in claim 5, wherein the soaking solution is prepared from the following raw materials in parts by weight: 7 parts of water-soluble carbon black, 7 parts of kaolin, 5 parts of graphene, 1 part of sodium dodecyl benzene sulfonate, 3.5 parts of hydrogen peroxide and 25 parts of water.
Priority Applications (1)
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