WO2024037381A1 - 一种聚酯帘线与橡胶粘合剂改性处理的工艺及装置 - Google Patents

一种聚酯帘线与橡胶粘合剂改性处理的工艺及装置 Download PDF

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Publication number
WO2024037381A1
WO2024037381A1 PCT/CN2023/111743 CN2023111743W WO2024037381A1 WO 2024037381 A1 WO2024037381 A1 WO 2024037381A1 CN 2023111743 W CN2023111743 W CN 2023111743W WO 2024037381 A1 WO2024037381 A1 WO 2024037381A1
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WIPO (PCT)
Prior art keywords
extrusion
stirring
modification
rubber
mixing
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PCT/CN2023/111743
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English (en)
French (fr)
Inventor
胡立新
郎旭东
谈建新
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江苏国立化工科技有限公司
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Publication of WO2024037381A1 publication Critical patent/WO2024037381A1/zh

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B15/00Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
    • B29B15/08Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
    • B29B15/10Coating or impregnating independently of the moulding or shaping step
    • B29B15/12Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
    • B29B15/122Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/12Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
    • B29B7/14Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with screw or helix
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/12Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
    • B29B7/16Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/74Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461Combinations of dissimilar mixers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/74Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7466Combinations of similar mixers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/88Adding charges, i.e. additives
    • B29B7/90Fillers or reinforcements, e.g. fibres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2311/00Characterised by the use of homopolymers or copolymers of chloroprene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2467/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045Sulfates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/09Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098Metal salts of carboxylic acids

Definitions

  • the present invention relates to the technical field of adhesive property modification, in particular to a process and device for modifying polyester cords and rubber adhesives.
  • Rubber adhesive is one of the indispensable materials in production and life, and is widely used in light industrial production. As the scope of use of rubber adhesives continues to expand, the requirements for the adhesive properties of rubber adhesives are also getting higher and higher, which are mainly reflected in: 1 environmental protection and non-toxicity; 2 excellent adhesion performance; 2 low cost . Therefore, while ensuring the excellent bonding performance of rubber adhesives, we should also consider the selection of rubber adhesives to avoid using a large number of toxic and harmful ingredients and ingredients with higher raw material costs, thereby reducing the cost of rubber adhesives. Toxicity and production cost purposes. For example: the patent number 201910651926.
  • agent DM stearic acid, carbon black, antioxidant and maleic anhydride graft polymer, which reduces the harm to human body and can improve the adhesion with nylon cord, vinylon cord and polyester cord.
  • the performance not only ensures and improves the adhesive performance, but also reduces the harm to the human body and improves the environmental protection performance.
  • the present invention provides a process and device for modifying polyester cords and rubber adhesives.
  • One of the purposes of the invention is to provide a process for modifying polyester cords and rubber adhesives, which includes the following steps:
  • a very small amount of calcined gypsum powder is filled into chloroprene rubber for secondary stirring and extrusion.
  • fatty acid calcium and antioxidant are added, and a specific solvent is used to mix evenly in the mixing component, which improves the rubber adhesive and the The bonding properties of polyester cords improve the bonding strength between rubber adhesive and polyester cords.
  • the antioxidant is a compound mixed with paraffin wax and antioxidant 3100 in a mass ratio of 0.1-0.5:1.
  • the solvent is to add 0.01-0.1kg of gasoline and 0.1-0.5kg of waste oil to 1kg of ethyl acetate.
  • the calcined gypsum powder is a powder obtained by directly calcining phosphogypsum at 800-1000°C for 20-30 minutes and then passing it through a 300-mesh sieve using a ball mill.
  • the second object of the invention is to provide a device for modifying polyester cords and rubber adhesives, which includes an extrusion modification component, a stirring and mixing component and a composite modification component.
  • the extrusion modification component A second frame is set at the bottom, and a first frame is set at the bottom of the composite modification component.
  • the first frame and the second frame are integrally formed, and the extrusion modification component includes a feeding component, an extrusion component, and a feeding component. Press the modification barrel, the third motor, the spiral extrusion assembly and the discharge plate; after the neoprene particles that need to be modified are fed from the feeding assembly, they enter the extrusion modification barrel and are passed through the third motor.
  • the spiral stirring extrusion modification process it is discharged from the discharge plate end to realize the stirring extrusion modification of chloroprene rubber; the discharge plate is located at the right end of the extrusion modification barrel, and the The spiral extrusion assembly is located in the extrusion modification barrel, the feed assembly is located at the top of the extrusion modification barrel near the left end, and the third motor is located at the left end of the extrusion modification barrel, so The third motor is connected to the spiral extrusion assembly, and the feeding assembly is provided with two on the extrusion modification barrel from left to right, namely a first hopper and a second hopper; the stirring and mixing A leaking hose is provided at the bottom of the component.
  • the leaking hose can discharge the mixed material inside the mixing and mixing component.
  • the composite modification component includes a composite box.
  • the composite box realizes the composite of polyester cord and rubber adhesive into a whole.
  • the composite The top of the box is equipped with a UV board, a cloth-glue composite board and a drying board in sequence, so that the polyester cord can be modified by UV light first, and then the cloth-glue composite can be placed at the position of the cloth-glue composite board to make the polyester cord and rubber adhere to each other.
  • the mixture is compounded into a whole and then dried directly under the drying plate.
  • a cloth rubber plate is arranged in the center of the cloth-glue composite board, and the leakage pipe is connected to the cloth
  • the rubber plates are connected, and the right end of the extrusion modification barrel extends into the stirring and mixing assembly.
  • the chloroprene rubber is stir-extruded and modified, and then input into the stirring and mixing component. After the solvent is introduced and the mixture is uniform, the chloroprene rubber is added from the bottom of the stirring and mixing component. drain the leaking hose.
  • the extrusion modification barrel includes a first extrusion part and a second extrusion part, and the first extrusion part and the second extrusion part are The extrusion part is integrally formed, and the first extrusion part and the second extrusion part are both provided with two layers of cavities from the inside to the outside.
  • the inner layer is the extrusion cavity, and the outer layer is the heat exchange cavity;
  • the extrusion cavity in the first extrusion part is provided with a first screw shaft, the extrusion cavity in the second extrusion part is provided with a second screw shaft, and the extrusion cavity in the first extrusion part is An extrusion plate is provided between the pressure chamber and the extrusion chamber located in the second extrusion part.
  • the extrusion plate is provided with a number of extrusion holes for materials to be extruded through; the extrusion cavity located in the second extrusion part
  • a discharge plate is provided at the right end of the extrusion cavity in the inner part, and a number of discharge holes are provided on the discharge plate for materials to be extruded through;
  • the first screw shaft and the second screw shaft are integrally formed, and on the The connection point between the first screw shaft and the second screw shaft passes through the extrusion plate; the left end of the first screw shaft passes through the extrusion cavity located in the first extrusion part and the third extrusion part.
  • the motor is connected; the right end of the second screw shaft passes through the discharge plate, and a fixing nut is provided at the right end of the second screw shaft;
  • the heat exchange chamber is provided with a screw that connects the inside of the heat exchange chamber and the There are liquid inlets and liquid outlets outside the heat exchange chamber;
  • the first extrusion part is provided with a first hopper capable of sending materials into the extrusion chamber located in the first extrusion part;
  • the second extrusion part is The pressing part is provided with a second hopper that can deliver materials into the extrusion cavity located in the second extrusion part; the extrusion plate and the outer wall of the extrusion modification cylinder are tightly fixed with fixing bolts.
  • the first hopper and the second hopper form a feeding assembly
  • the first screw shaft and the second screw shaft form a screw extrusion assembly
  • the first extrusion part and the second extrusion part Composed of extrusion modified cylinder.
  • a balance plate is provided between the extrusion modification cylinder and the second frame, and the balance plate is integrally formed with the second frame.
  • the pressure modification cylinder and the balance plate are fixedly connected using a fixed piece.
  • the stirring and mixing assembly includes a mixing cylinder with a cone-shaped bottom,
  • the top of the mixing barrel is equipped with a solvent pipe, a top door and a second motor;
  • the mixing barrel is equipped with a stirring assembly, and the stirring assembly is connected to the second motor;
  • the bottom of the mixing barrel is provided with a leakage pipe, and the A threaded valve is provided on the leaking pipe;
  • the ultraviolet light plate is provided with an ultraviolet lamp on the inner surface of the composite box;
  • the drying plate is provided with a drying lamp on the inner surface of the composite box; the ultraviolet lamp and the drying lamp are provided on the inner surface of the composite box.
  • the drying lamps are all provided with wires; the composite box is provided with a driving roller on one side of the ultraviolet plate; the composite box is provided with a driven roller on one side of the drying lamp; the driving roller and the driven roller are A transmission assembly is provided between the rollers; the right end of the extrusion modification barrel extends into the mixing barrel.
  • a partition is provided between the ultraviolet plate and the cloth-glue composite board, and a partition is provided between the drying plate and the cloth-glue composite board. The partition is It is used to prevent the glue leaking from the cloth-glue composite board from entering the area directly under the adjacent ultraviolet light board and drying board.
  • the mixing barrel is provided with a barrel fixing ring, and the barrel fixing ring is fixedly connected to the second frame to enhance stability.
  • the stirring assembly includes a stirring shaft connected to the second motor, the bottom end of the stirring shaft extends into the bottom of the mixing barrel, and is located on the mixing barrel.
  • the stirring shaft in the inner section of the barrel is provided with a stirring blade assembly and a discharging blade.
  • the stirring blade assembly includes a stirring blade plate distributed in an inverted triangle shape. The top of the stirring blade plate is on the end away from the stirring shaft. There are stirring blade ears, and a plurality of flow holes are provided on the stirring blade plate.
  • the discharge blade is located at the connection point between the mixing barrel and the leakage pipe.
  • the inside of the glue plate is cavity-shaped, and the bottom of the glue plate is provided with a number of glue leakage holes.
  • the invention utilizes the structural arrangement of the extrusion modification component, the stirring and mixing component and the composite modification component, and at the same time, appropriately controls the connection of the extrusion modification component, the stirring and mixing component and the composite modification component to achieve
  • the coherence and continuity of the modification treatment of polyester cords and rubber adhesives enables the polyester cords and rubber adhesives to be modified in advance respectively, and then the modified polyester cords and modified rubber are used for bonding After compounding and modifying with the agent to form a composite rubber sheet, it is then dried and modified, which improves the mutual adhesion performance between the polyester cord and the rubber adhesive, and at the same time ensures the continuous modification of the polyester curtain.
  • wire, rubber adhesive, and the process is simple, the application cost is low, and it is easier to promote and implement industrialization.
  • the device used in the invention can be adapted to the modification treatment of various rubber adhesives and polyester cords.
  • neoprene was used as the basic material of the rubber adhesive and calcined gypsum was used.
  • the bonding strength (adhesion) between the rubber adhesive and the polyester cord is greatly improved, reaching more than 20.3N/cm.
  • Figure 1 is a schematic diagram of the overall structure of the invention
  • Figure 2 is a partial cross-sectional structural schematic diagram of the extrusion modification component of Figure 1;
  • Figure 3 is a partial cross-sectional structural diagram of the mixing component of Figure 1;
  • Figure 4 is a partial cross-sectional structural schematic diagram of the composite modified component in Figure 1;
  • Figure 5 is a schematic diagram of the structure of the cloth rubber plate in Figure 4 viewed from above.
  • Second hopper 22 fixed piece 23 - second extrusion part 24 - cloth rubber plate 25 - glue leakage hole 26 - driving roller 27 - driven roller 28 - wire 29 - UV lamp 30 - drying lamp 31 - partition 32 - Liquid outlet 33-discharge plate 34-second screw shaft 35-heat exchange chamber 36-extrusion plate 37-fixing bolt 38-first screw shaft 39-fixing nut 40-stirring shaft 41-stirring ear 42- Stirring blade 43-flow hole 44-discharge blade.
  • the process of modifying polyester cords and rubber adhesives includes the following steps:
  • the antioxidant is a composite of paraffin wax and antioxidant 3100 mixed at a mass ratio of 0.1-0.5:1.
  • the solvent is to add 0.01-0.1kg of gasoline and 0.1-0.5kg of waste oil to 1kg of ethyl acetate.
  • the calcined gypsum powder is a powder obtained by directly calcining phosphogypsum at 800-1000°C for 20-30 minutes and then passing it through a 300-mesh sieve using a ball mill.
  • a device for modifying polyester cords and rubber adhesives includes an extrusion modification component, a stirring mixing component, and a composite modification component.
  • a second frame 2 is set at the bottom of the compression modification component, and a first frame 1 is set at the bottom of the composite modification component.
  • the first frame 1 and the second frame 2 are integrally formed, and the extrusion modification component
  • the flexible assembly includes a feeding assembly, an extrusion modification barrel, a third motor 17, a screw extrusion assembly and a discharge plate 33; the discharge plate 33 is located at the right end of the extrusion modification barrel, and the screw extrusion
  • the assembly is located in the extrusion modification barrel, the feeding assembly is located at the top of the extrusion modification barrel near the left end, the third motor 17 is located at the left end of the extrusion modification barrel, and the third motor 17 is located at the left end of the extrusion modification barrel.
  • Three motors 17 are connected to the spiral extrusion assembly.
  • the flexible assembly includes a composite box 4.
  • the top of the composite box 4 is provided with an ultraviolet plate 6, a cloth-glue composite board 7 and a drying plate 10 in sequence.
  • the cloth-glue composite board 7 is provided with a cloth-glue board 24 in the center.
  • the leakage pipe 9 is connected to the The cloth and rubber plates 24 are connected, and the right end of the extrusion modification cylinder extends into the stirring and mixing assembly.
  • the mixing and mixing component is installed between the extrusion modification component and the composite modification component, so that the material discharged from the extrusion modification component can directly enter the mixing and mixing component, and the mixing and mixing component is The material discharged from the component enters the composite modified component to achieve composite modification of the polyester cord and rubber adhesive, thereby improving the bonding strength between the polyester cord and the rubber adhesive.
  • basic materials such as chloroprene rubber are added to the extrusion modification component.
  • the extrusion modification barrel includes a first extrusion part 19 and a second extrusion part 23, the first extrusion part 19 and the second extrusion part 23 are integrally formed, and The first extrusion part 19 and the second extrusion part 23 are both provided with two layers of cavities from the inside to the outside.
  • the inner layer is the extrusion chamber and the outer layer is the heat exchange chamber 35;
  • the extrusion cavity in the extrusion part 19 is provided with a first screw shaft 38
  • the extrusion cavity located in the second extrusion part 23 is provided with a second screw shaft 34
  • the extrusion cavity located in the first extrusion part 23 is provided with a first screw shaft 38 .
  • An extrusion plate 36 is provided between the extrusion chamber in 19 and the extrusion chamber located in the second extrusion part 23.
  • the extrusion plate 36 is provided with a number of extrusion holes for the material to be extruded through;
  • the right end of the extrusion cavity located in the second extrusion part 23 is provided with a discharge plate 33, and the discharge plate 33 is provided with a number of discharge holes for materials to be extruded through;
  • the first screw shaft 38 and The second screw shaft 34 is integrally formed and passes through the extrusion plate 36 at the connection point between the first screw shaft 38 and the second screw shaft 34; the left end of the first screw shaft 38 passes through the
  • the extrusion cavity located in the first extrusion part 19 is connected to the third motor 17;
  • the right end of the second screw shaft 34 passes through the discharge plate 33, and the right end of the second screw shaft 34
  • a fixed nut 39 is provided at the end;
  • the heat exchange chamber is provided with a liquid inlet 20 and a liquid
  • the chloroprene rubber When in use: the chloroprene rubber is first spirally stirred and extruded through the spiral extrusion assembly in the first extrusion part 19, and then discharged into the second extrusion part 23 through the action of the extrusion plate 36, and at the same time, it is discharged into the second extrusion part 23.
  • 23, calcined gypsum powder, calcium stearate, antioxidant and other ingredients are added for the second spiral stirring and extrusion to achieve the second spiral stirring and extrusion modification of the chloroprene rubber, and then it is discharged into the stirring mixer through the discharge plate 33.
  • the modification of the mixture in the material component ensures the bonding strength of the rubber adhesive after compounding with the polyester cord, and improves the adhesion strength of the rubber adhesive on the polyester cord to more than 20N/cm.
  • a balance plate 16 is provided between the extrusion modification barrel and the second frame 2, and the balance plate 16 is integrally formed with the second frame 2.
  • the sex cylinder and the balance plate 16 are fixedly connected using a fixing piece 22 . Enhanced stability and improved convenience.
  • the stirring and mixing assembly includes a mixing cylinder 3 with a cone-shaped bottom, and a solvent pipe 15, a top door 13 and a second motor 14 are provided at the top of the mixing cylinder 3; 3 is equipped with a stirring component, which is connected to the second motor 14.
  • the bottom of the mixing barrel 3 is provided with a leakage pipe 9, and the leakage pipe 9 is provided with a threaded valve 8; the ultraviolet light plate 6 is located at the An ultraviolet lamp 29 is provided on the inner surface of the composite box 4, and a drying lamp 30 is provided on the inner surface of the drying plate 10 of the composite box 4. Wires 28 are provided on both the ultraviolet lamp 29 and the drying lamp 30.
  • the composite box 4 is provided with a driving roller 26 on one side of the ultraviolet plate 6, and the composite box 4 is provided with a driven roller 27 on one side of the drying lamp 10.
  • the driving roller 26 and the slave roller A transmission assembly 11 is provided between the moving rollers 27; the right end of the extrusion modification barrel extends into the mixing barrel 3. Continuous modification treatment is realized, the structure is simplified, and operation is easy.
  • the stirring assembly includes a stirring shaft 40 connected to the second motor 14, and the bottom end of the stirring shaft 40 extends into the bottom of the mixing barrel 3.
  • the stirring shaft 40 located in the inner section of the mixing drum 3 is provided with a stirring blade assembly and a discharging blade 44.
  • the stirring blade assembly includes a stirring blade plate 42 distributed in an inverted triangle shape.
  • the stirring blade plate 42 The top end away from the stirring shaft 40 is provided with stirring blade ears, the stirring blade plate 42 is provided with a plurality of flow holes 43, and the discharge blade 44 is located between the mixing barrel 3 and the leakage pipe 9 At the connection point. The mix is more uniform.
  • the inside of the glue board 24 is cavity-shaped, and a plurality of glue leakage holes 25 are provided at the bottom of the glue board 24 .
  • the cloth glue is more even.
  • the researchers of the invention will use chloroprene rubber as the basic material, and use calcined gypsum powder, calcium stearate, antioxidant, etc. for stirring and extrusion Modification treatment, then use ethyl acetate, gasoline (92#), and gutter oil (directly using the oil separated from the remaining kitchen ingredients) to form a solvent. After mixing in the mixing component, it is used for cloth Glue on the polyester cord, and conduct an adhesion testing test between the polyester cord and the rubber adhesive. The details are explained below.
  • the calcined gypsum powder used in the following tests is a powder obtained by calcining at 800°C for 30 minutes and then passing through a 300-mesh sieve using a ball mill.
  • the antioxidant is a compound formed by mixing paraffin wax and antioxidant 3100 in a mass ratio of 0.1:1.
  • the solvent is to add 0.01kg of gasoline and 0.1kg of waste oil to 1kg of ethyl acetate.
  • Test 1 S1: The chloroprene rubber is extruded into particles with a particle size of ⁇ 0.08cm using spiral stirring, and the temperature of the stirring process is controlled between 30-40°C. The time of stirring and extruding until the particles are discharged is 1 minute to obtain chlorine. Butadiene rubber particles (completed in the first extrusion part 19, and using the functions of the liquid outlet 32 and the liquid inlet 20, using water cooling for temperature control);
  • S4 Use a 30W UV lamp to irradiate the polyester cord at a distance of 10cm for 5 minutes, and the temperature during irradiation is between 25-30°C to obtain UV-modified polyester cord;
  • Test 2 S1: The chloroprene rubber is extruded into particles with a particle size of ⁇ 0.08cm using spiral stirring, and the temperature of the stirring process is controlled between 30-40°C. The stirring and extrusion time until the particles are discharged is 1 minute to obtain chlorine. Butadiene rubber particles (completed in the first extrusion part 19, and using the functions of the liquid outlet 32 and the liquid inlet 20, using water cooling for temperature control);
  • S4 Use a 30W UV lamp to irradiate the polyester cord at a distance of 10cm for 5 minutes, and the temperature during irradiation is between 25-30°C to obtain UV-modified polyester cord;
  • Test S1: Use spiral stirring to extruded chloroprene rubber into particles with a particle size of ⁇ 0.08cm, and control the temperature of the stirring process between 30-40°C. Stir and squeeze until the particles are discharged for 1 minute to obtain chloroprene. Rubber particles (completed in the first extrusion part 19, and using the functions of the liquid outlet 32 and the liquid inlet 20, using water cooling and temperature control);
  • S4 Use a 30W UV lamp to irradiate the polyester cord at a distance of 10cm for 5 minutes, and the temperature during irradiation is between 25-30°C to obtain UV-modified polyester cord;
  • Test 4 Everything else is the same as Test 1.
  • the antioxidant is a compound composed of paraffin wax and antioxidant 3100 at a mass ratio of 0.5:1.
  • the solvent is to add 0.1kg of gasoline and 0.5kg of waste oil to 1kg of ethyl acetate.
  • the calcined gypsum powder is a powder obtained by directly calcining phosphogypsum at 1000°C for 30 minutes and then passing it through a 300-mesh sieve using a ball mill.
  • Test 5 Everything else is the same as Test 1.
  • the antioxidant is a compound composed of paraffin wax and antioxidant 3100 at a mass ratio of 0.3:1.
  • the solvent is to add 0.04kg of gasoline and 0.4kg of waste oil to 1kg of ethyl acetate.
  • the calcined gypsum powder is a powder obtained by directly calcining phosphogypsum at 800°C for 20 minutes and then passing it through a 300-mesh sieve using a ball mill.
  • Test 6 Everything else is the same as Test 1. Mix neoprene rubber, calcined gypsum powder, calcium stearate and antioxidant directly, then use a ball mill to grind them to particles with a particle size of ⁇ 0.5cm, then stir and mix with the solvent, and then use Cloth glue composite treatment.
  • Test 7 Other conditions are the same as Test 1.
  • the polyester cord is directly compounded with rubber adhesive without being irradiated by ultraviolet light and then dried.
  • Test 8 Everything else is the same as Test 1.
  • the composite sheet is irradiated with ultraviolet light and then dried.
  • the invention can greatly improve the relationship between the rubber adhesive and the polyester cord by modifying the rubber adhesive and the polyester cord respectively and then compounding them into composite sheets, and then drying them.
  • the composite adhesion strength improves the overall bonding performance of polyester cord and rubber adhesive.
  • antioxidant is antioxidant 3100.

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Abstract

一种聚酯帘线与橡胶粘合剂改性处理的工艺及装置,经采用极少量的煅烧石膏粉填充到氯丁橡胶中二次搅拌挤压,同时随着脂肪酸钙、防老剂加入,且利用特定的溶剂在搅拌混料组件混合均匀,提高了橡胶粘合剂与聚酯帘线的粘合性能,改善了橡胶粘合剂与聚酯帘线的粘合强度;并且,经挤压改性组件、搅拌混料组件和复合改性组件相互连接与安装,实现了聚酯帘线与橡胶粘合剂改性处理的连续化操作,结构简单,使用方便。

Description

一种聚酯帘线与橡胶粘合剂改性处理的工艺及装置 技术领域
本发明涉及粘合性能改性技术领域,尤其是一种聚酯帘线与橡胶粘合剂改性处理的工艺及装置。
背景技术
橡胶粘合剂是生产生活中不可缺少的材料之一,被广泛应用于轻工业生产中。随着橡胶粘合剂的使用范围不断扩大,对橡胶粘合剂粘合性能的要求也越来越高,主要体现在:①环保性、无毒性;②粘附性能优异性;②低成本性。因此,在保障橡胶粘合剂粘合性能优异的同时,还应当考虑橡胶粘合剂的选材方面重点考虑,避免采用大量的有毒有害成分和原料成本较高的成分,继而达到降低橡胶粘合剂毒性和生产成本的目的。例如:专利号为201910651926.X公开了耐高、低温环保型氯丁橡胶胶粘剂及其制备方法,采用氯丁橡胶混炼胶由氯丁橡胶、氧化锌、氧化镁、促进剂MTT‑80、促进剂DM、硬脂酸、炭黑、防老剂和马来酸酐接枝聚合物混炼而成,降低对人体危害性,同时能够改善与尼龙帘线、维纶帘线和聚酯帘线等粘合的性能,实现了粘合性能保障和提升的同时,降低了对人体的危害,提升了环保性能。
技术问题
然而,本领域技术人员普遍知晓的是:橡胶粘合剂在与各种帘线复合粘合时,其不仅受到橡胶粘合剂本身的性能影响,而且还受到各种帘线的性质影响,继而影响两者之间相互粘合的性能情况,因此,如何能够对应特定性质的帘线匹配特定的橡胶粘合剂,以达到提升帘线与橡胶粘合剂复合时综合性能的目的,受到了本领域技术人员的关注。
鉴于此,本研究者结合无数次的不断努力与尝试,针对聚酯帘线、橡胶粘合剂相互复合的性能进行改善,提出了将聚酯帘线与橡胶粘合剂同时改性处理,实现了两者相互之间复合的附着力强度提升,同时为了实现连续化处理聚酯帘线和橡胶粘合剂,为聚酯帘线、橡胶粘合剂改性方面提供新思路和新装置。
技术解决方案
为了解决现有技术中存在的上述技术问题,本发明提供一种聚酯帘线与橡胶粘合剂改性处理的工艺及装置。
具体是通过以下技术方案得以实现的:
本发明创造的目的之一在于提供一种聚酯帘线与橡胶粘合剂改性处理的工艺,包括如下步骤:
S1:将氯丁橡胶采用螺旋搅拌挤压成粒径≤0.08cm的颗粒,且控制搅拌过程的温度为30-40℃,搅拌挤压至呈颗粒排出时间为1min,得到氯丁橡胶颗粒;
S2:将氯丁橡胶颗粒采用螺旋搅拌挤压,且在开启螺旋搅拌挤压前加入占氯丁橡胶质量0.05-0.01%的煅烧石膏粉、占氯丁橡胶质量0.1-0.8%的硬脂酸钙和占氯丁橡胶质量1-3%的防老剂,开启螺旋搅拌挤压,控制温度为80-100℃,搅拌挤压0.5-1min后,形成粒径≤0.5cm的颗粒,得到粗胶颗粒;
S3:将粗胶颗粒与溶剂按照质量比为1:5-7混合搅拌均匀,得到改性橡胶粘合剂;
S4:将聚酯帘线采用30W紫外灯在距离10cm处照射5min,且照射时温度为25-30℃,得到紫外改性聚酯帘线;
S5:向紫外改性聚酯帘线上采用涂刷、喷涂或者浸胶方式,将改性橡胶粘合剂按照80-100g/cm2复合到紫外改性聚酯帘线,得到复合片;
S6:将复合片采用温度为50-60℃烘烤处理至少10min,即可。
经采用极少量的煅烧石膏粉填充到氯丁橡胶中二次搅拌挤压,同时随着脂肪酸钙、防老剂加入,且利用特定的溶剂在搅拌混料组件混合均匀,提高了橡胶粘合剂与聚酯帘线的粘合性能,改善了橡胶粘合剂与聚酯帘线的粘合强度。
为了能够使得橡胶粘合剂改性效果较优,优选,所述防老剂是石蜡与防老剂3100按照质量比为0.1-0.5:1混合而成的复合物。
为了能够使得粗胶颗粒混溶均匀,优选,所述溶剂是采用在1kg乙酸乙酯中加入0.01-0.1kg的汽油和0.1-0.5kg地沟油。
优选,所述煅烧石膏粉是将磷石膏直接采用800-1000℃煅烧处理20-30min后,采用球磨机球磨过300目筛所得的粉末。
本发明创造的目的之二在于提供一种聚酯帘线与橡胶粘合剂改性处理的装置,包括挤压改性组件、搅拌混料组件和复合改性组件,所述挤压改性组件底部设第二机架,所述复合改性组件底部设第一机架,所述第一机架与所述第二机架一体成型,且所述挤压改性组件包括进料组件、挤压改性筒、第三电机、螺旋挤压组件和排料板;实现将需要改性处理的氯丁橡胶颗粒从进料组件上料后,进入到挤压改性筒内,经第三电机带动而在螺旋搅拌挤压改性处理后,从排料板端排出来,实现对氯丁橡胶的搅拌挤压改性;所述排料板设在所述挤压改性筒右端,所述螺旋挤压组件设在所述挤压改性筒内,所述进料组件设在所述挤压改性筒靠近左端的顶部,所述第三电机位于所述挤压改性筒左端,所述第三电机与所述螺旋挤压组件连接,所述进料组件在所述挤压改性筒上从左至右设两个,分别为第一料斗和第二料斗;所述搅拌混料组件底部设漏胶管,漏胶管能够实现将搅拌混料组件内部的混合物料排出,所述复合改性组件包括复合箱,复合箱实现聚酯帘线与橡胶粘合剂复合成整体,所述复合箱顶部依次设紫外光板、布胶复合板和烘干板,实现将聚酯帘线先紫外光照射改性处理,再在布胶复合板位置处布胶复合,使得聚酯帘线与橡胶粘合剂复合成整体,再进入到烘干板正下方烘干。提升对聚酯帘线与橡胶粘合剂复合改性效果,提升聚酯帘线与橡胶粘合剂粘合性能,所述布胶复合板中心设布胶板,所述漏胶管与所述布胶板连通,所述挤压改性筒右端伸入所述搅拌混料组件内。通过挤压改性筒右端伸入到搅拌混凝组件内,实现将氯丁橡胶搅拌挤压改性之后,输入到搅拌混料组件内,通入溶剂混料均匀后,从搅拌混料组件底部的漏胶管排出。
为了能够保障二次螺旋挤压改性,保障改性效果,优选,所述挤压改性筒包括第一挤压部和第二挤压部,所述第一挤压部和所述第二挤压部一体成型,且所述第一挤压部和所述第二挤压部均由内向外设两层空腔,位于内层的为挤压腔,外层的为换热腔;位于所述第一挤压部内的挤压腔内设第一螺旋轴,位于所述第二挤压部内的挤压腔内设第二螺旋轴,且所述位于所述第一挤压部内的挤压腔与位于所述第二挤压部内的挤压腔之间设挤压板,所述挤压板上设若干供物料被挤压通过的挤压孔;所述位于所述第二挤压部内的挤压腔右端设排料板,所述排料板上设供物料被挤压通过的若干排料孔;所述第一螺旋轴与所述第二螺旋轴一体成型,且在所述第一螺旋轴与所述第二螺旋轴连接点处穿过所述挤压板;所述第一螺旋轴左端穿出所述位于所述第一挤压部内的挤压腔与所述第三电机连接;所述第二螺旋轴右端穿出所述排料板,且所述第二螺旋轴右端端部设固定螺帽;所述换热腔上设有连通所述换热腔内和所述换热腔外的进液口和出液口;所述第一挤压部上设能够向位于所述第一挤压部内的挤压腔内送物料的第一料斗,所述第二挤压部上设能够向位于所述第二挤压部内的挤压腔内送物料的第二料斗;所述挤压板与所述挤压改性筒外壁之间采用固定螺栓钮紧固定。所述第一料斗与所述第二料斗组成进料组件,所述第一螺旋轴与所述第二螺旋轴组成螺旋挤压组件,所述第一挤压部和所述第二挤压部组成挤压改性筒。充分实现了对氯丁橡胶预先控温螺旋挤压后,再加入煅烧石膏粉、硬脂酸钙、防老剂等改性剂成分进行二次控温搅拌,使得排入到搅拌混料组件内与溶剂混合时,能够实现橡胶粘合剂改性效果的增强。
为了增强挤压改性筒的平衡性,优选,所述挤压改性筒与所述第二机架之间设平衡板,所述平衡板与所述第二机架一体成型,所述挤压改性筒与所述平衡板之间采用固定片固定连接。
为了能够实现聚酯帘线与橡胶粘合剂复合改性,增强聚酯帘线与橡胶粘合剂的粘合性能,优选,所述搅拌混料组件包括底部呈圆锥体状的混料筒,所述混料筒顶部设溶剂管、顶门和第二电机;所述混料筒内设搅拌组件,所述搅拌组件与所述第二电机连接,所述混料筒底部设漏胶管,所述漏胶管上设丝扣阀门;所述紫外光板位于所述复合箱内侧面上设紫外灯,所述烘干板位于所述复合箱内侧面上设烘干灯,所述紫外灯和所述烘干灯上均设导线;所述复合箱内位于所述紫外光板一侧设主动辊,所述复合箱内位于所述烘干灯一侧设从动辊,所述主动辊与所述从动辊之间设传动组件;所述挤压改性筒右端伸入所述混料筒内。在更加优选的技术方案中,所述紫外光板与所述布胶复合板之间设有隔板,所述烘干板与所述布胶复合板之间设有隔板,所述隔板用于阻挡从布胶复合板上漏下的胶液进入到相邻的紫外光板和烘干板所对应的区域正下方。在某些更加优选的技术方案中,所述混料筒上设有筒固定圈,所述筒固定圈与所述第二机架之间固定连接,增强稳定性。
为了提升物料搅拌混料的均匀性,优选,所述搅拌组件包括与所述第二电机连接的搅拌轴,所述搅拌轴底端伸入到所述混料筒底部,在位于所述混料筒内段的所述搅拌轴上设有搅拌叶组件和排料叶,所述搅拌叶组件包括呈倒三角形状分布的搅拌叶板,所述搅拌叶板顶端远离所述搅拌轴的端部上设有搅拌叶耳,所述搅拌叶板上设有若干流动孔,所述排料叶位于所述混料筒与所述漏胶管连接点处。
为了保障布胶均匀性,优选,所述布胶板内部呈空腔状,且所述布胶板底部设有若干漏胶孔。
有益效果
(1)本发明创造利用挤压改性组件、搅拌混料组件和复合改性组件的结构设置,同时,恰当控制挤压改性组件、搅拌混料组件和复合改性组件的连接,实现了对聚酯帘线与橡胶粘合剂改性处理的连贯性和连续性,实现将聚酯帘线、橡胶粘合剂分别预先改性,再利用改性聚酯帘线、改性橡胶粘合剂复合而改性,形成复合橡胶片后,再经烘干改性处理,提升了聚酯帘线、橡胶粘合剂之间的相互粘合性能,同时保障了连续化改性处理聚酯帘线、橡胶粘合剂,且工艺流程简单,应用成本低,更易于产业化推广实施。
(2)本发明创造所采用的装置能够适应于各种橡胶粘合剂与聚酯帘线的改性处理,且本研究经过采用氯丁橡胶作为橡胶粘合剂的基本物料,再利用煅烧石膏粉、硬脂酸钙、防老剂等共同作用,结合特定溶剂加入混料,增强了对橡胶粘合剂的改性效果,同时,结合对聚酯帘线采用紫外照射后涂胶、刷胶、漏胶复合成橡胶片之后,使得橡胶粘合剂与聚酯帘线之间的粘合强度(附着力)大幅度提升,达到了20.3N/cm以上。
附图说明
图1为本发明创造整体结构示意图;
图2为图1挤压改性组件局部剖视结构示意图;
图3为图1搅拌混料组件局部剖视结构示意图;
图4为图1复合改性组件局部剖视结构示意图;
图5为图4布胶板仰视结构示意图。
1-第一机架 2-第二机架 3-混料筒 4-复合箱 5-第一电机 6-紫外光板 7-布胶复合板 8-丝扣阀门 9-漏胶管 10-烘干板 11-传动组件 12-筒固定圈 13-顶门 14-第二电机 15-溶剂管 16-平衡板 17-第三电机 18-第一料斗 19-第一挤压部 20-进液口 21-第二料斗 22-固定片 23-第二挤压部 24-布胶板 25-漏胶孔 26-主动辊 27-从动辊 28-导线 29-紫外灯 30-烘干灯 31-隔板 32-出液口 33-排料板 34-第二螺旋轴 35-换热腔 36-挤压板 37-固定螺栓 38-第一螺旋轴 39-固定螺帽 40-搅拌轴 41-搅拌叶耳 42-搅拌叶板 43-流动孔 44-排料叶。
本发明的最佳实施方式
下面结合附图和具体的实施方式来对本发明的技术方案做进一步的限定,但要求保护的范围不仅局限于所作的描述。
在某些实施例中,聚酯帘线与橡胶粘合剂改性处理的工艺,包括如下步骤:
S1:将氯丁橡胶采用螺旋搅拌挤压成粒径≤0.08cm的颗粒,且控制搅拌过程的温度为30-40℃,搅拌挤压至呈颗粒排出时间为1min,得到氯丁橡胶颗粒;
S2:将氯丁橡胶颗粒采用螺旋搅拌挤压,且在开启螺旋搅拌挤压前加入占氯丁橡胶质量0.05-0.1%的煅烧石膏粉、占氯丁橡胶质量0.1-0.8%的硬脂酸钙和占氯丁橡胶质量1-3%的防老剂,开启螺旋搅拌挤压,控制温度为80-100℃,搅拌挤压0.5-1min后,形成粒径≤0.5cm的颗粒,得到粗胶颗粒;
S3:将粗胶颗粒与溶剂按照质量比为1:5-7混合搅拌均匀,得到改性橡胶粘合剂;
S4:将聚酯帘线采用30W紫外灯在距离10cm处照射5min,且照射时温度为25-30℃,得到紫外改性聚酯帘线;
S5:向紫外改性聚酯帘线上采用涂刷、喷涂或者浸胶方式,将改性橡胶粘合剂按照80-100g/cm2复合到紫外改性聚酯帘线,得到复合片;
S6:将复合片采用温度为50-60℃烘烤处理至少10min,即可。
在更加优异的实施例中,所述防老剂是石蜡与防老剂3100按照质量比为0.1-0.5:1混合而成的复合物。
在更加优异的实施例中,所述溶剂是采用在1kg乙酸乙酯中加入0.01-0.1kg的汽油和0.1-0.5kg地沟油。
在更加优异的实施例中,所述煅烧石膏粉是将磷石膏直接采用800-1000℃煅烧处理20-30min后,采用球磨机球磨过300目筛所得的粉末。
如图1-5所示,在某些实施例中,聚酯帘线与橡胶粘合剂改性处理的装置,包括挤压改性组件、搅拌混料组件和复合改性组件,所述挤压改性组件底部设第二机架2,所述复合改性组件底部设第一机架1,所述第一机架1与所述第二机架2一体成型,且所述挤压改性组件包括进料组件、挤压改性筒、第三电机17、螺旋挤压组件和排料板33;所述排料板33设在所述挤压改性筒右端,所述螺旋挤压组件设在所述挤压改性筒内,所述进料组件设在所述挤压改性筒靠近左端的顶部,所述第三电机17位于所述挤压改性筒左端,所述第三电机17与所述螺旋挤压组件连接,所述进料组件在所述挤压改性筒上从左至右设两个;所述搅拌混料组件底部设漏胶管9,所述复合改性组件包括复合箱4,所述复合箱4顶部依次设紫外光板6、布胶复合板7和烘干板10,所述布胶复合板7中心设布胶板24,所述漏胶管9与所述布胶板24连通,所述挤压改性筒右端伸入所述搅拌混料组件内。
安装时:将挤压改性组件稳定安装在第二机架2上,将复合改性组件稳定安装在第一机架1上,且所述的第二机架2与所述第一机架1之间一体成型,将搅拌混料组件安装在挤压改性组件与复合改性组件之间,实现挤压改性组件内排出来的物料能够直接进入到搅拌混料组件内,搅拌混料组件内排出来的物料进入到复合改性组件内,实现聚酯帘线与橡胶粘合剂复合改性处理,提升聚酯帘线与橡胶粘合剂相互之间的粘合强度。具体在使用时,是将氯丁橡胶等基础物料加入到挤压改性组件内,采用螺旋挤压组件挤压后,经排料板33排出后,进入到搅拌混料组件内,经与溶剂搅拌混料之后,形成橡胶粘合剂,再将橡胶粘合剂从搅拌混料组件底部排入到复合改性组件与聚酯帘线复合,而聚酯帘线在复合改性组件内经紫外光灯、布胶复合板、烘干灯灯作用,实现对聚酯帘线改性,且实现对聚酯帘线与橡胶粘合剂复合后改性,提升了聚酯帘线与橡胶粘合剂粘合性能。
在某些实施例中,所述挤压改性筒包括第一挤压部19和第二挤压部23,所述第一挤压部19和所述第二挤压部23一体成型,且所述第一挤压部19和所述第二挤压部23均由内向外设两层空腔,位于内层的为挤压腔,外层的为换热腔35;位于所述第一挤压部19内的挤压腔内设第一螺旋轴38,位于所述第二挤压部23内的挤压腔内设第二螺旋轴34,且所述位于所述第一挤压部19内的挤压腔与位于所述第二挤压部23内的挤压腔之间设挤压板36,所述挤压板36上设若干供物料被挤压通过的挤压孔;所述位于所述第二挤压部23内的挤压腔右端设排料板33,所述排料板33上设供物料被挤压通过的若干排料孔;所述第一螺旋轴38与所述第二螺旋轴34一体成型,且在所述第一螺旋轴38与所述第二螺旋轴34连接点处穿过所述挤压板36;所述第一螺旋轴38左端穿出所述位于所述第一挤压部19内的挤压腔与所述第三电机17连接;所述第二螺旋轴34右端穿出所述排料板33,且所述第二螺旋轴34右端端部设固定螺帽39;所述换热腔上设有连通所述换热腔内和所述换热腔外的进液口20和出液口32;所述第一挤压部19上设能够向位于所述第一挤压部19内的挤压腔内送物料的第一料斗18,所述第二挤压部23上设能够向位于所述第二挤压部23内的挤压腔内送物料的第二料斗21;所述挤压板36与所述挤压改性筒外壁之间采用固定螺栓37钮紧固定。
使用时:将氯丁橡胶先在第一挤压部19内经螺旋挤压组件螺旋搅拌挤压后,经挤压板36作用排入到第二挤压部23内,同时向第二挤压部23内加入煅烧石膏粉、硬脂酸钙、防老剂等成分进行第二次螺旋搅拌挤压,实现对氯丁橡胶二次螺旋搅拌挤压改性,再经排料板33排入到搅拌混料组件内混料改性,保障了橡胶粘合剂在与聚酯帘线复合之后的粘合强度,提升了橡胶粘合剂在聚酯帘线上的附着强度,达到了20N/cm以上。
在某些实施例中,所述挤压改性筒与所述第二机架2之间设平衡板16,所述平衡板16与所述第二机架2一体成型,所述挤压改性筒与所述平衡板16之间采用固定片22固定连接。增强了稳定性和提高了便捷性。
在某些实施例中,所述搅拌混料组件包括底部呈圆锥体状的混料筒3,所述混料筒3顶部设溶剂管15、顶门13和第二电机14;所述混料筒3内设搅拌组件,所述搅拌组件与所述第二电机14连接,所述混料筒3底部设漏胶管9,所述漏胶管9上设丝扣阀门8;所述紫外光板6位于所述复合箱4内侧面上设紫外灯29,所述烘干板10位于所述复合箱4内侧面上设烘干灯30,所述紫外灯29和所述烘干灯30上均设导线28;所述复合箱4内位于所述紫外光板6一侧设主动辊26,所述复合箱4内位于所述烘干灯10一侧设从动辊27,所述主动辊26与所述从动辊27之间设传动组件11;所述挤压改性筒右端伸入所述混料筒3内。实现了连续化改性处理,简化了结构,便于操作。
如图3所示,在某些实施例中,所述搅拌组件包括与所述第二电机14连接的搅拌轴40,所述搅拌轴40底端伸入到所述混料筒3底部,在位于所述混料筒3内段的所述搅拌轴40上设有搅拌叶组件和排料叶44,所述搅拌叶组件包括呈倒三角形状分布的搅拌叶板42,所述搅拌叶板42顶端远离所述搅拌轴40的端部上设有搅拌叶耳,所述搅拌叶板42上设有若干流动孔43,所述排料叶44位于所述混料筒3与所述漏胶管9连接点处。混料更加均匀。
在某些实施例中,所述布胶板24内部呈空腔状,且所述布胶板24底部设有若干漏胶孔25。布胶更加均匀。
本发明创造的研究者为了能够验证本发明创造的装置能够带来更好的技术效果,因此将以氯丁橡胶作为基本物料,采用煅烧石膏粉、硬脂酸钙、防老剂等进行搅拌挤压改性处理,再利用乙酸乙酯、汽油(92#)、地沟油(直接采用剩余餐厨料中分离出来的油液)复配成溶剂,在搅拌混料组件内混料后,用于布胶在聚酯帘线上,并开展聚酯帘线与橡胶粘合剂之间的附着力检测试验,具体情况如下阐述。
以下试验中采用的煅烧石膏粉是采用800℃煅烧处理30min后,采用球磨机球磨过300目筛所得的粉末。所述防老剂是石蜡与防老剂3100按照质量比为0.1:1混合而成的复合物。所述溶剂是采用在1kg乙酸乙酯中加入0.01kg的汽油和0.1kg地沟油。
试验1:S1:将氯丁橡胶采用螺旋搅拌挤压成粒径≤0.08cm的颗粒,且控制搅拌过程的温度在30-40℃之间,搅拌挤压至呈颗粒排出时间为1min,得到氯丁橡胶颗粒(在第一挤压部19内完成,并利用出液口32和进液口20的作用,采用水冷控温);
S2:将氯丁橡胶颗粒采用螺旋搅拌挤压,且在开启螺旋搅拌挤压前加入占氯丁橡胶质量0.05%的煅烧石膏粉、占氯丁橡胶质量0.1%的硬脂酸钙和占氯丁橡胶质量1%的防老剂,开启螺旋搅拌挤压,控制温度在80-100℃之间,搅拌挤压1min后,形成粒径≤0.5cm的颗粒,得到粗胶颗粒(在第二挤压部23内完成,并利用出液口32和进液口20的作用,采用水冷控温);
S3:将粗胶颗粒与溶剂按照质量比为1:5混合搅拌均匀,得到改性橡胶粘合剂;
S4:将聚酯帘线采用30W紫外灯在距离10cm处照射5min,且照射时温度在25-30℃之间,得到紫外改性聚酯帘线;
S5:向紫外改性聚酯帘线上采用涂刷、喷涂或者浸胶方式,将改性橡胶粘合剂按照80g/cm2复合到紫外改性聚酯帘线,得到复合片;
S6:将复合片采用温度在50-60℃之间烘烤处理10min,即可。
试验2:S1:将氯丁橡胶采用螺旋搅拌挤压成粒径≤0.08cm的颗粒,且控制搅拌过程的温度在30-40℃之间,搅拌挤压至呈颗粒排出时间为1min,得到氯丁橡胶颗粒(在第一挤压部19内完成,并利用出液口32和进液口20的作用,采用水冷控温);
S2:将氯丁橡胶颗粒采用螺旋搅拌挤压,且在开启螺旋搅拌挤压前加入占氯丁橡胶质量0.1%的煅烧石膏粉、占氯丁橡胶质量0.8%的硬脂酸钙和占氯丁橡胶质量3%的防老剂,开启螺旋搅拌挤压,控制温度在80-100℃之间,搅拌挤压1min后,形成粒径≤0.5cm的颗粒,得到粗胶颗粒(在第二挤压部23内完成,并利用出液口32和进液口20的作用,采用水冷控温);
S3:将粗胶颗粒与溶剂按照质量比为1: 7混合搅拌均匀,得到改性橡胶粘合剂;
S4:将聚酯帘线采用30W紫外灯在距离10cm处照射5min,且照射时温度在25-30℃之间,得到紫外改性聚酯帘线;
S5:向紫外改性聚酯帘线上采用涂刷、喷涂或者浸胶方式,将改性橡胶粘合剂按照100g/cm2复合到紫外改性聚酯帘线,得到复合片;
S6:将复合片采用温度在50-60℃之间烘烤处理10min,即可。
试验:S1:将氯丁橡胶采用螺旋搅拌挤压成粒径≤0.08cm的颗粒,且控制搅拌过程的温度在30-40℃之间,搅拌挤压至呈颗粒排出时间为1min,得到氯丁橡胶颗粒(在第一挤压部19内完成,并利用出液口32和进液口20的作用,采用水冷控温);
S2:将氯丁橡胶颗粒采用螺旋搅拌挤压,且在开启螺旋搅拌挤压前加入占氯丁橡胶质量0.08%的煅烧石膏粉、占氯丁橡胶质量0.3%的硬脂酸钙和占氯丁橡胶质量2%的防老剂,开启螺旋搅拌挤压,控制温度在80-100℃之间,搅拌挤压1min后,形成粒径≤0.5cm的颗粒,得到粗胶颗粒(在第二挤压部23内完成,并利用出液口32和进液口20的作用,采用水冷控温);
S3:将粗胶颗粒与溶剂按照质量比为1:6混合搅拌均匀,得到改性橡胶粘合剂;
S4:将聚酯帘线采用30W紫外灯在距离10cm处照射5min,且照射时温度在25-30℃之间,得到紫外改性聚酯帘线;
S5:向紫外改性聚酯帘线上采用涂刷、喷涂或者浸胶方式,将改性橡胶粘合剂按照90g/cm2复合到紫外改性聚酯帘线,得到复合片;
S6:将复合片采用温度在50-60℃之间烘烤处理10min,即可。
以下试验在试验1的基础上开展,其他均同实施例1。
试验4:其他均同试验1,所述防老剂是石蜡与防老剂3100按照质量比为0.5:1混合而成的复合物。所述溶剂是采用在1kg乙酸乙酯中加入0.1kg的汽油和0.5kg地沟油。所述煅烧石膏粉是将磷石膏直接采用1000℃煅烧处理30min后,采用球磨机球磨过300目筛所得的粉末。
试验5:其他均同试验1,所述防老剂是石蜡与防老剂3100按照质量比为0.3:1混合而成的复合物。所述溶剂是采用在1kg乙酸乙酯中加入0.04kg的汽油和0.4kg地沟油。所述煅烧石膏粉是将磷石膏直接采用800℃煅烧处理20min后,采用球磨机球磨过300目筛所得的粉末。
试验6:其他均同试验1,将氯丁橡胶、煅烧石膏粉、硬脂酸钙、防老剂直接混合后,采用球磨机球磨至粒径<0.5cm的颗粒,再与溶剂搅拌混合,再用于布胶复合处理。
试验7:其他均同试验1,将聚酯帘线未经过紫外光照射而直接复合橡胶粘合剂后烘干。
试验8:其他均同试验1,将复合片采用紫外光照射后再进行烘干处理。
将上述实试验1-8所得的烘干后的复合片作为样材,采用将聚酯帘线与橡胶粘合剂相互之间剥离的方式进行测试附着力,例如:参照ISO 8033‑2006橡胶和塑料软管 .部件间粘合强度的测定,其结果如下表1所示。
表1 附着力强度试验
试验1 试验2 试验3 试验4 试验5 试验6 试验7 试验8
N/cm 21.4 20.9 21.2 20.7 20.3 12.5 13.1 22.2
经试验可知,本发明创造经过对橡胶粘合剂、聚酯帘线分别改性后复合成复合片,再经烘干处理,能够极大程度的提升橡胶粘合剂与聚酯帘线之间复合的附着力强度,改善了聚酯帘线与橡胶粘合剂的整体粘合性能。
为了能够更好的说明本发明创造的工艺步骤中的改性处理效果,本研究者开展若干单因素变化试验,其中开展有如下单因素试验。
A:在改性橡胶粘合剂改性处理过程中,未加入煅烧石膏粉,且直接采用硬脂酸钙来代替煅烧石膏粉。
B:在改性橡胶粘合剂改性处理过程中,未加入硬脂酸钙,且直接采用煅烧石膏粉来代替硬脂酸钙。
C:在改性橡胶粘合剂改性处理过程中,防老剂为防老剂3100。
D:溶剂中不包含地沟油。
E:溶剂中不包含92#汽油。
其他均参照试验1的处理方式进行处理,并制备成复合片,再将复合片用于检测附着力强度,其结果如下表2所示。
表2 单因素变化下的附着力强度
A B C D E
N/cm 14.5 15.1 19.2 18.7 11.5
经表1和表2数据可知,对于本发明创造是经过整体的技术方案实现聚酯帘线、橡胶粘合剂改性,继而达到增强聚酯帘线与橡胶粘合剂之间的附着力强度,提升粘合性能。同时,为了保障这种改性工艺的可连续化处理,实现聚酯帘线与橡胶粘合剂同时改性复合,提高复合的粘合性能,本研究者提供改性处理的装置,装置结构简单,使用方便,更易于产业化推广实施。
本发明创造其他未尽事宜参照现有技术或者本领域技术人员所熟知的公知常识、常规技术手段加以实现即可。另外,本发明创造的装置结构附图是为了能够便于本领域技术人员对本发明创造的装置整体结构能够掌握和了解,继而能够理解本发明创造的真实原理,实现准确理解本发明创造的内容,而并不是对本发明创造的装置结构尺寸做出限定。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (5)

  1. 一种聚酯帘线与橡胶粘合剂改性处理的工艺,其特征在于,包括如下步骤:
    S1:将氯丁橡胶采用螺旋搅拌挤压成粒径≤0.08cm的颗粒,且控制搅拌过程的温度为30-40℃,搅拌挤压至呈颗粒排出时间为1min,得到氯丁橡胶颗粒;
    S2:将氯丁橡胶颗粒采用螺旋搅拌挤压,且在开启螺旋搅拌挤压前加入占氯丁橡胶质量0.05-0.01%的煅烧石膏粉、占氯丁橡胶质量0.1-0.8%的硬脂酸钙和占氯丁橡胶质量1-3%的防老剂,开启螺旋搅拌挤压,控制温度为80-100℃,搅拌挤压0.5-1min后,形成粒径≤0.5cm的颗粒,得到粗胶颗粒;
    S3:将粗胶颗粒与溶剂按照质量比为1:5-7混合搅拌均匀,得到改性橡胶粘合剂;
    S4:将聚酯帘线采用30W紫外灯在距离10cm处照射5min,且照射时温度为25-30℃,得到紫外改性聚酯帘线;
    S5:向紫外改性聚酯帘线上采用涂刷、喷涂或者浸胶方式,将改性橡胶粘合剂按照80-100g/cm 2复合到紫外改性聚酯帘线,得到复合片;
    S6:将复合片采用温度为50-60℃烘烤处理至少10min,即可;
    所述防老剂是石蜡与防老剂3100按照质量比为0.1-0.5:1混合而成的复合物;
    所述溶剂是采用在1kg乙酸乙酯中加入0.01-0.1kg的汽油和0.1-0.5kg地沟油;
    所述煅烧石膏粉是将磷石膏直接采用800-1000℃煅烧处理20-30min后,采用球磨机球磨过300目筛所得的粉末;
    所述工艺中使用如下装置,其包括挤压改性组件、搅拌混料组件和复合改性组件,所述挤压改性组件底部设第二机架(2),所述复合改性组件底部设第一机架(1),所述第一机架(1)与所述第二机架(2)一体成型,且所述挤压改性组件包括进料组件、挤压改性筒、第三电机(17)、螺旋挤压组件和排料板(33);所述排料板(33)设在所述挤压改性筒右端,所述螺旋挤压组件设在所述挤压改性筒内,所述进料组件设在所述挤压改性筒靠近左端的顶部,所述第三电机(17)位于所述挤压改性筒左端,所述第三电机(17)与所述螺旋挤压组件连接,所述进料组件在所述挤压改性筒上从左至右设两个;所述搅拌混料组件底部设漏胶管(9),所述复合改性组件包括复合箱(4),所述复合箱(4)顶部依次设紫外光板(6)、布胶复合板(7)和烘干板(10),所述布胶复合板(7)中心设布胶板(24),所述漏胶管(9)与所述布胶板(24)连通,所述挤压改性筒右端伸入所述搅拌混料组件内;
    所述挤压改性筒包括第一挤压部(19)和第二挤压部(23),所述第一挤压部(19)和所述第二挤压部(23)一体成型,且所述第一挤压部(19)和所述第二挤压部(23)均由内向外设两层空腔,位于内层的为挤压腔,外层的为换热腔(35);位于所述第一挤压部(19)内的挤压腔内设第一螺旋轴(38),位于所述第二挤压部(23)内的挤压腔内设第二螺旋轴(34),且所述位于所述第一挤压部(19)内的挤压腔与位于所述第二挤压部(23)内的挤压腔之间设挤压板(36),所述挤压板(36)上设若干供物料被挤压通过的挤压孔;所述位于所述第二挤压部(23)内的挤压腔右端设排料板(33),所述排料板(33)上设供物料被挤压通过的若干排料孔;所述第一螺旋轴(38)与所述第二螺旋轴(34)一体成型,且在所述第一螺旋轴(38)与所述第二螺旋轴(34)连接点处穿过所述挤压板(36);所述第一螺旋轴(38)左端穿出所述位于所述第一挤压部(19)内的挤压腔与所述第三电机(17)连接;所述第二螺旋轴(34)右端穿出所述排料板(33),且所述第二螺旋轴(34)右端端部设固定螺帽(39);所述换热腔上设有连通所述换热腔内和所述换热腔外的进液口(20)和出液口(32);所述第一挤压部(19)上设能够向位于所述第一挤压部(19)内的挤压腔内送物料的第一料斗(18),所述第二挤压部(23)上设能够向位于所述第二挤压部(23)内的挤压腔内送物料的第二料斗(21);所述挤压板(36)与所述挤压改性筒外壁之间采用固定螺栓(37)钮紧固定;
    使用时:将氯丁橡胶先在第一挤压部(19)内经螺旋挤压组件螺旋搅拌挤压后,经挤压板(36)作用排入到第二挤压部(23)内,同时向第二挤压部(23)内加入煅烧石膏粉、硬脂酸钙、防老剂等成分进行第二次螺旋搅拌挤压,实现对氯丁橡胶二次螺旋搅拌挤压改性,再经排料板(33)排入到搅拌混料组件内混料改性,保障了橡胶粘合剂在与聚酯帘线复合之后的粘合强度,提升了橡胶粘合剂在聚酯帘线上的附着强度,达到了20N/cm以上。
  2. 如权利要求1所述聚酯帘线与橡胶粘合剂改性处理的工艺,其特征在于,所述挤压改性筒与所述第二机架(2)之间设平衡板(16),所述平衡板(16)与所述第二机架(2)一体成型,所述挤压改性筒与所述平衡板(16)之间采用固定片(22)固定连接。
  3. 如权利要求1所述聚酯帘线与橡胶粘合剂改性处理的工艺,其特征在于,所述搅拌混料组件包括底部呈圆锥体状的混料筒(3),所述混料筒(3)顶部设溶剂管(15)、顶门(13)和第二电机(14);所述混料筒(3)内设搅拌组件,所述搅拌组件与所述第二电机(14)连接,所述混料筒(3)底部设漏胶管(9),所述漏胶管(9)上设丝扣阀门(8);所述紫外光板(6)位于所述复合箱(4)内侧面上设紫外灯(29),所述烘干板(10)位于所述复合箱(4)内侧面上设烘干灯(30),所述紫外灯(29)和所述烘干灯(30)上均设导线(28);所述复合箱(4)内位于所述紫外光板(6)一侧设主动辊(26),所述复合箱(4)内位于所述烘干灯(30)一侧设从动辊(27),所述主动辊(26)与所述从动辊(27)之间设传动组件(11);所述挤压改性筒右端伸入所述混料筒(3)内。
  4. 如权利要求3所述聚酯帘线与橡胶粘合剂改性处理的工艺,其特征在于,所述搅拌组件包括与所述第二电机(14)连接的搅拌轴(40),所述搅拌轴(40)底端伸入到所述混料筒(3)底部,在位于所述混料筒(3)内段的所述搅拌轴(40)上设有搅拌叶组件和排料叶(44),所述搅拌叶组件包括呈倒三角形状分布的搅拌叶板(42),所述搅拌叶板(42)顶端远离所述搅拌轴(40)的端部上设有搅拌叶耳,所述搅拌叶板(42)上设有若干流动孔(43),所述排料叶(44)位于所述混料筒(3)与所述漏胶管(9)连接点处。
  5. 如权利要求1所述聚酯帘线与橡胶粘合剂改性处理的工艺,其特征在于,所述布胶板(24)内部呈空腔状,且所述布胶板(24)底部设有若干漏胶孔(25)。
PCT/CN2023/111743 2022-08-16 2023-08-08 一种聚酯帘线与橡胶粘合剂改性处理的工艺及装置 WO2024037381A1 (zh)

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