CN111635594A - Vehicle sound insulation material with good vibration absorption performance and preparation method thereof - Google Patents
Vehicle sound insulation material with good vibration absorption performance and preparation method thereof Download PDFInfo
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- CN111635594A CN111635594A CN202010608252.8A CN202010608252A CN111635594A CN 111635594 A CN111635594 A CN 111635594A CN 202010608252 A CN202010608252 A CN 202010608252A CN 111635594 A CN111635594 A CN 111635594A
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- 239000012774 insulation material Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title abstract description 23
- 238000010521 absorption reaction Methods 0.000 title abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 64
- 239000000843 powder Substances 0.000 claims abstract description 58
- 239000010445 mica Substances 0.000 claims abstract description 29
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 29
- 239000010453 quartz Substances 0.000 claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 22
- 239000003054 catalyst Substances 0.000 claims abstract description 22
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 19
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 19
- 239000011734 sodium Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- -1 sodium alkylsulfonate Chemical class 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 229920000728 polyester Polymers 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000007731 hot pressing Methods 0.000 claims description 21
- 239000003153 chemical reaction reagent Substances 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 17
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 7
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 7
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 6
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 5
- 239000000543 intermediate Substances 0.000 claims description 5
- 238000003786 synthesis reaction Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 3
- 230000004888 barrier function Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000006555 catalytic reaction Methods 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 239000000443 aerosol Substances 0.000 description 5
- 238000011049 filling Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 125000005442 diisocyanate group Chemical group 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 229920005862 polyol Polymers 0.000 description 4
- 150000003077 polyols Chemical class 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 239000012814 acoustic material Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- HOWJQLVNDUGZBI-UHFFFAOYSA-N butane;propane Chemical compound CCC.CCCC HOWJQLVNDUGZBI-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
- C08L23/286—Chlorinated polyethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention relates to the technical field of sound insulation materials for vehicles, and discloses a sound insulation material for vehicles with good vibration absorption performance, which comprises the following raw materials in parts by weight, wherein the raw materials comprise chlorinated polyethylene, polyester fibers, quartz powder, sodium bicarbonate, polyalkoxysilane, sodium alkylsulfonate, a catalyst, mica powder and a water reducing agent, the quartz powder and the polyester fibers added in the material are combined to ensure the internal elastic recovery of the material, meanwhile, the surface density in the material is obviously improved in the catalysis effect of the sodium alkylsulfonate, the polyalkoxysilane and the mica powder, the larger the surface density is, the larger the sound insulation amount is, the sound transmission phenomenon caused by the fact that the coincidence frequency of the sound insulation material for vehicles is the same as the external frequency is avoided, meanwhile, the surface density in the material is tighter in the preparation process, the phenomenon of pores or gaps is prevented, and sound energy is difficult to transmit.
Description
Technical Field
The invention relates to the technical field of sound insulation materials for vehicles, in particular to a sound insulation material for vehicles with good vibration absorption performance and a preparation method thereof.
Background
The automobile-used material is mainly the high foaming rubber and plastic material of multilayer composite construction, in the preparation process, can restrict each other, the phenomenon of peeling off between the layer appears for the space can not fill up, influences holistic syllable-dividing effect, and to automobile-used acoustic material, be to sound or noise isolated, cut off, separation etc. will weaken the transmission sound energy, block the propagation of sound, be closely knit no hole or gap, have great weight. Such acoustic insulation materials are difficult to absorb and transmit acoustic energy while reflecting energy is strong due to their compactness.
The automobile sound insulation material has the defects of easy deformation, low tear resistance, insufficient vibration absorption performance and the like, the space in an automobile is small, the existing automobile sound insulation material has high hardness and cannot be used in a large area, and in addition, after the sound insulation material is prepared, the surface density between the interior of the material is not tight, and the phenomenon of pores or gaps is easy to occur, so that the automobile sound insulation material with good vibration absorption performance and the preparation method are provided.
Disclosure of Invention
In order to solve the technical problems, the invention provides a sound insulation material with good vibration absorption performance for a vehicle and a preparation method thereof, and the sound insulation material is achieved by the following specific technical means:
a vehicle sound insulation material with good vibration absorption performance is composed of the following raw materials in parts by weight:
30-50 parts of chlorinated polyethylene;
20-25 parts of polyester fiber;
20-30 parts of quartz powder;
10-15 parts of sodium bicarbonate;
5-10 parts of polyalkoxysilane;
5-10 parts of sodium alkylsulfonate;
1-5 parts of a catalyst;
3-10 parts of mica powder;
1-3 parts of a water reducing agent.
Preferably, the main component in the catalyst consists of sulfur trioxide and vanadium pentoxide in a mass ratio of 2:1, and the water reducing agent is selected from one of melamine or fatty acid.
According to the sound insulation material with good vibration absorption performance for the vehicle, the preparation method of the sound insulation material with good vibration absorption performance for the vehicle is provided, and comprises the following steps:
s1, taking chlorinated polyethylene as a base material, adding the weighed chlorinated polyethylene into a ball mill, adding polyester fibers in a formula by weight, controlling the rotating speed to operate at 300-600 r/min for 120-150 hours until the chlorinated polyethylene is fully fused to form a prepolymer;
s2, sequentially weighing the quartz powder and the mica powder in the formula ratio, sequentially placing the quartz powder and the mica powder into a dispersing container, dispersing for 30 minutes until the fineness of the dispersed quartz powder and mica powder is not less than 10 micrometers, and taking the dispersed quartz powder and mica powder out for later use;
s3, taking out the prepolymer in the step S1, putting the prepolymer into a normal-temperature container, adding the material in the step S2, adding the catalyst and the sodium alkylsulfonate in the formula amount according to the proportion, heating and stirring, taking the catalyst and the sodium alkylsulfonate as organic synthesis intermediates, enhancing the internal reaction rate, and maintaining the temperature at 50 ℃;
and S4, heating to 60 ℃, adding the weighed polyalkoxysilane into the container while continuously stirring to increase the distance and the surface density among the materials until the materials are uniformly mixed, and standing for 4 hours.
S5, taking out the material in the S4, putting the material into an internal mixer, adding sodium bicarbonate for mixing, controlling the temperature at 85 ℃ and the rotating speed at 30 r/min, mixing the materials for ten minutes, then mixing the materials into a prepared sheet, and hot-pressing the prepared sheet and adding a water reducing agent to further form the sound insulation material.
According to the above preparation method of the sound insulation material for the vehicle with good vibration absorption performance, a preparation device for the preparation method is provided, which comprises a workbench, wherein a support plate is fixedly arranged on the upper surface of the workbench, a top plate is fixedly arranged at the top end of the support plate, a slide rod penetrates through the top plate and is slidably arranged in a shell, a variable resistor is arranged in a chute arranged in the shell, a metal sheet corresponding to the variable resistor is arranged at the left end of the slide rod on the right side of the variable resistor, a driving motor is fixedly arranged at the right side of the support plate, the output end of the driving motor penetrates through the support plate and is connected with a connecting plate, a connecting rod is rotatably arranged on the left surface of the connecting plate, an adjusting frame is fixedly arranged at the tail end of the connecting rod, and the bottom end of the adjusting frame is rotatably arranged at the front, the inside fixed mounting of crossbearer has the support column, support column slidable mounting is in the inside of fixing base, and the bottom fixed mounting of support column has the hot pressing head, fixing base fixed mounting is at the left surface of backup pad, the first slidable mounting of hot pressing is in the inside of placing a section of thick bamboo, and the right-hand spray tube that is provided with of hot pressing head, the spray tube runs through the inside of backup pad, and the terminal fixed connection of spray tube is on the left side surface of a reagent section of thick bamboo, the inside slidable mounting of a reagent section of thick bamboo has the push pedal, the right surface of push pedal and the inner wall fixedly connected with gasbag of a reagent section of thick bamboo, the inside coil that is provided with of the right-.
Preferably, the magnetic pole of the magnetic field generated by the coil is the same as the magnetic pole at the left end of the magnet, the magnetic pole is electrically connected with the variable resistor, the positions of the metal sheet and the variable resistor are adjusted by moving the slide rod in the shell, and the resistance value of the circuit connected with the variable resistor is further adjusted, so that the current in the coil connected with the variable resistor in series is adjusted, the magnetic field generated by the coil is ensured to push the magnet, and the push plate is further pushed to move in the reagent barrel.
Preferably, the cross frame is of a U-shaped structure, and the fixing seat is arranged inside the cross frame.
Preferably, the slide bar corresponds the setting from top to bottom with the connecting plate, the spray tube is L shape structure, the right surface of push pedal is provided with waterproof pad, prevents through waterproof pad's design that the inside water-reducing agent of reagent section of thick bamboo from permeating the side of gasbag.
Advantageous effects
Compared with the prior art, the invention provides the sound insulation material for the vehicle with good vibration absorption performance and the preparation method thereof, and the sound insulation material has the following beneficial effects:
1. this automobile-used acoustic material and preparation method that shock-absorbing performance is good drives the connecting plate through driving motor and rotates, and the connecting plate drives left connecting rod rotatory, rotates at both ends around the crossbearer through connecting rod and alignment jig to drive the inside support column of crossbearer and reciprocate from top to bottom, thereby drive the hot pressing head of support column bottom and carry out reciprocal hot pressing from top to bottom to the preparation piece, the inside surface density of preparation piece is inseparabler when making the hot pressing, prevents that the phenomenon in hole or gap from taking place.
2. The vehicle sound insulation material with good vibration absorption performance and the preparation method thereof are characterized in that when the top of a connecting plate is rotated and contacts with a slide bar, the slide bar can be upwards jacked up, the positions of a metal sheet and a variable resistor are adjusted by moving the slide bar in a shell, the resistance value of a circuit connected with the variable resistor is further adjusted, and therefore the current in a coil connected with the variable resistor in series is adjusted, the magnetic field generated by the coil is ensured to push a magnet, a push plate is further pushed to move in a reagent cylinder, and a water reducing agent in the reagent cylinder is sprayed into a placing cylinder through a spray pipe by utilizing the pressure principle to contact with a preparation sheet, so that the internal materials of the preparation sheet are more closely fused.
3. According to the vehicle sound insulation material with good vibration absorption performance and the preparation method thereof, the quartz powder and the polyester fiber are added in the material to be combined, so that the internal elasticity recovery of the material is ensured, meanwhile, in the catalysis effect of the sodium alkyl sulfonate, the polyalkoxy silane and the mica powder, the internal surface density of the material is remarkably improved, the larger the surface density is, the larger the sound insulation amount is, and the sound transmission phenomenon caused by the fact that the coincidence frequency of the vehicle sound insulation material is the same as the external frequency is avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of the internal structure of the present invention;
FIG. 2 is a left side view of the overall structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
fig. 4 is a structural sectional view of the junction of the housing and the top plate of the present invention.
In the figure: 1. a work table; 2. a support plate; 3. a top plate; 4. a slide bar; 5. a housing; 6. a chute; 601. a variable resistor; 602. a metal sheet; 7. a drive motor; 8. a connecting plate; 9. a connecting rod; 10. an adjusting bracket; 11. a cross frame; 12. a support pillar; 13. a fixed seat; 14. a hot-pressing head; 15. placing the cylinder; 16. a nozzle; 17. a reagent cartridge; 1701. a magnet; 1702. a coil; 18. pushing the plate; 19. an air bag.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 1-4, a device for preparing a sound insulation material for a vehicle with good vibration absorption performance comprises a workbench 1, a support plate 2 is fixedly installed on the upper surface of the workbench 1, a top plate 3 is fixedly installed on the top end of the support plate 2, a slide rod 4 penetrates through the top plate 3, the slide rod 4 is slidably installed inside a housing 5, a variable resistor 601 is arranged in a chute 6 formed inside the housing 5, a metal sheet 602 corresponding to the variable resistor 601 is arranged at the left end of the slide rod 4 on the right side of the variable resistor 601, a driving motor 7 is fixedly installed on the right side of the support plate 2, an output end of the driving motor 7 penetrates through the support plate 2 and is connected with a connecting plate 8, the slide rod 4 and the connecting plate 8 are vertically arranged, a connecting rod 9 is rotatably installed on the left surface of the connecting plate 8, an adjusting frame 10 is fixedly installed at the tail end of the connecting rod 9, the, the inside fixed mounting of crossbearer 11 has support column 12, and crossbearer 11 is the U-shaped structure, and fixing base 13 sets up in the inside of crossbearer 11, and support column 12 slidable mounting is in the inside of fixing base 13, and the bottom fixed mounting of support column 12 has hot pressing head 14, and fixing base 13 fixed mounting is on the left surface of backup pad 2, and hot pressing head 14 slidable mounting is in the inside of placing a section of thick bamboo 15.
A spray pipe 16 is arranged at the right side of the hot pressing head 14, the spray pipe 16 is of an L-shaped structure, the spray pipe 16 penetrates through the inside of the supporting plate 2, the tail end of the spray pipe 16 is fixedly connected to the left side surface of the reagent cylinder 17, a push plate 18 is slidably mounted inside the reagent cylinder 17, a waterproof pad is arranged on the right surface of the push plate 18, a water reducing agent inside the reagent cylinder 17 is prevented from permeating into the side edge of the air bag 19 through the design of the waterproof pad, the air bag 19 is fixedly connected to the right surface of the push plate 18 and the inner wall of the reagent cylinder 17, a coil 1702 is arranged inside the right end of the reagent cylinder 17, a corresponding magnet 1701 is arranged on the left side of the coil 1702 and inside the push plate 18, the magnetic pole of a magnetic field generated by the coil 1702 is the same as the magnetic pole of the left end of the magnet 1701, the coil 1702 is electrically connected with the variable resistor 601, the positions, thereby regulating the current in the coil 1702 in series with the variable resistor 601 and ensuring that the magnetic field generated by the coil 1702 pushes the magnet 1701 and thus the push plate 18 to move inside the reagent cartridge 17.
When the invention is used, a prepared sheet is placed in a placing cylinder 15, a driving motor 7 is started, the driving motor 7 drives a connecting plate 8 to rotate, the connecting plate 8 drives a connecting rod 9 on the left side to rotate, the connecting rod 9 and an adjusting frame 10 rotate at the front end and the rear end of a cross frame 11, so that a supporting column 12 in the cross frame 11 is driven to reciprocate up and down, a hot pressing head 14 at the bottom end of the supporting column 12 is driven to perform reciprocating hot pressing on the prepared sheet up and down, meanwhile, when the top of the connecting plate 8 rotates and contacts with a sliding rod 4, the sliding rod 4 is jacked up upwards, after the connecting plate 8 is separated from the sliding rod 4, the sliding rod 4 moves downwards by using self gravity, the positions of a metal sheet 602 and a variable resistor 601 are adjusted by moving the sliding rod 4 in a shell 5, the resistance value of a circuit connected with the variable resistor 601 is further adjusted, so that the, thereby guarantee that the magnetic field that coil 1702 produced promotes magnet 1701, and then promote push pedal 18 and remove in reagent section of thick bamboo 17 is inside, with the inside water-reducing agent of reagent section of thick bamboo 17, utilize the pressure intensity principle, spout through spray tube 16 and place in the section of thick bamboo 15, with preparing the piece contact, make the inside surface density of preparation piece during hot pressing inseparable, prevent that the phenomenon of hole or gap from taking place, make and prepare the inside material of piece and merge inseparable.
The invention is further described below by way of examples:
the first embodiment is as follows:
the sound insulating material for vehicle with excellent vibration absorbing performance includes chlorinated polyethylene, polyester fiber, quartz powder, sodium bicarbonate, polyalkoxy silane, alkyl sodium sulfonate, catalyst, mica powder and water reducing agent.
The main component in the catalyst comprises sulfur trioxide and vanadium pentoxide according to the mass ratio of 2:1, and the water reducing agent is selected from melamine or fatty acid.
According to the sound insulation material with good vibration absorption performance for the vehicle, the preparation method of the sound insulation material with good vibration absorption performance for the vehicle is provided, and comprises the following steps:
s1, preparing the following raw materials in percentage by mass:
30 parts of chlorinated polyethylene, 20 parts of polyester fiber, 20 parts of quartz powder, 10 parts of sodium bicarbonate, 5 parts of polyalkoxysilane, 5 parts of alkyl sodium sulfonate, 1 part of catalyst, 3 parts of mica powder and 1 part of water reducing agent.
S2, taking chlorinated polyethylene as a base material, adding the weighed chlorinated polyethylene into a ball mill, adding polyester fibers in a formula by weight, controlling the rotating speed to operate at 300-600 r/min for 120-150 hours until the chlorinated polyethylene is fully fused to form a prepolymer;
s3, sequentially weighing the quartz powder and the mica powder in the formula ratio, sequentially placing the quartz powder and the mica powder into a dispersing container, dispersing for 30 minutes until the fineness of the dispersed quartz powder and mica powder is not less than 10 micrometers, and taking the dispersed quartz powder and mica powder out for later use;
s4, taking out the prepolymer in the step S1, putting the prepolymer into a normal-temperature container, adding the material in the step S2, adding the catalyst and the sodium alkylsulfonate in the formula amount according to the proportion, heating and stirring, taking the catalyst and the sodium alkylsulfonate as organic synthesis intermediates, enhancing the internal reaction rate, and maintaining the temperature at 50 ℃;
s5, heating to 60 ℃, adding the weighed polyalkoxysilane into the container while continuously stirring to increase the distance and the surface density among the materials until the materials are uniformly mixed, and standing for 4 hours;
s6, taking out the material in the S4, putting the material into an internal mixer, adding sodium bicarbonate for mixing, controlling the temperature at 85 ℃ and the rotating speed at 30 r/min, mixing the materials for ten minutes, then mixing the materials into a prepared sheet, and hot-pressing the prepared sheet and adding a water reducing agent to further form the sound insulation material.
Example two:
the preparation method of the vehicle sound insulation material with good vibration absorption performance comprises the following steps:
s1, preparing the following raw materials in percentage by mass:
40 parts of chlorinated polyethylene, 23 parts of polyester fiber, 25 parts of quartz powder, 13 parts of sodium bicarbonate, 7 parts of polyalkoxysilane, 8 parts of alkyl sodium sulfonate, 3 parts of catalyst, 6 parts of mica powder and 2 parts of water reducing agent.
S2, taking chlorinated polyethylene as a base material, adding the weighed chlorinated polyethylene into a ball mill, adding polyester fibers in a formula by weight, controlling the rotating speed to operate at 300-600 r/min for 120-150 hours until the chlorinated polyethylene is fully fused to form a prepolymer;
s3, sequentially weighing the quartz powder and the mica powder in the formula ratio, sequentially placing the quartz powder and the mica powder into a dispersing container, dispersing for 30 minutes until the fineness of the dispersed quartz powder and mica powder is not less than 10 micrometers, and taking the dispersed quartz powder and mica powder out for later use;
s4, taking out the prepolymer in the step S1, putting the prepolymer into a normal-temperature container, adding the material in the step S2, adding the catalyst and the sodium alkylsulfonate in the formula amount according to the proportion, heating and stirring, taking the catalyst and the sodium alkylsulfonate as organic synthesis intermediates, enhancing the internal reaction rate, and maintaining the temperature at 50 ℃;
s5, heating to 60 ℃, adding the weighed polyalkoxysilane into the container while continuously stirring to increase the distance and the surface density among the materials until the materials are uniformly mixed, and standing for 4 hours;
s6, taking out the material in the S4, putting the material into an internal mixer, adding sodium bicarbonate for mixing, controlling the temperature at 85 ℃ and the rotating speed at 30 r/min, mixing the materials for ten minutes, then mixing the materials into a prepared sheet, and hot-pressing the prepared sheet and adding a water reducing agent to further form the sound insulation material.
Example three:
the preparation method of the vehicle sound insulation material with good vibration absorption performance comprises the following steps:
s1, preparing the following raw materials in percentage by mass:
50 parts of chlorinated polyethylene, 25 parts of polyester fiber, 30 parts of quartz powder, 15 parts of sodium bicarbonate, 10 parts of polyalkoxysilane, 10 parts of alkyl sodium sulfonate, 5 parts of catalyst, 10 parts of mica powder and 3 parts of water reducing agent.
S2, taking chlorinated polyethylene as a base material, adding the weighed chlorinated polyethylene into a ball mill, adding polyester fibers in a formula by weight, controlling the rotating speed to operate at 300-600 r/min for 120-150 hours until the chlorinated polyethylene is fully fused to form a prepolymer;
s3, sequentially weighing the quartz powder and the mica powder in the formula ratio, sequentially placing the quartz powder and the mica powder into a dispersing container, dispersing for 30 minutes until the fineness of the dispersed quartz powder and mica powder is not less than 10 micrometers, and taking the dispersed quartz powder and mica powder out for later use;
s4, taking out the prepolymer in the step S1, putting the prepolymer into a normal-temperature container, adding the material in the step S2, adding the catalyst and the sodium alkylsulfonate in the formula amount according to the proportion, heating and stirring, taking the catalyst and the sodium alkylsulfonate as organic synthesis intermediates, enhancing the internal reaction rate, and maintaining the temperature at 50 ℃;
s5, heating to 60 ℃, adding the weighed polyalkoxysilane into the container while continuously stirring to increase the distance and the surface density among the materials until the materials are uniformly mixed, and standing for 4 hours;
s6, taking out the material in the S4, putting the material into an internal mixer, adding sodium bicarbonate for mixing, controlling the temperature at 85 ℃ and the rotating speed at 30 r/min, mixing the materials for ten minutes, then mixing the materials into a prepared sheet, and hot-pressing the prepared sheet and adding a water reducing agent to further form the sound insulation material.
Comparative example one:
s1, preparing the following raw materials in percentage by mass:
80 parts of polyether polyol, 80 parts of diisocyanate, 150 parts of solution, 60 parts of catalyst, 80 parts of surfactant, 80 parts of dimethyl ether, 80 parts of propane and butane and 50 parts of foam stabilizer;
s2, preparing a prepolymer from polyether polyol and diisocyanate, adding the polyether polyol and the diisocyanate into a container at normal temperature, stirring, and continuously stirring for 2-3 hours by using a high-speed stirring machine until the polyether polyol and the diisocyanate are fully fused;
s3, adding the solution and the surfactant into the prepolymer in the step S2, mixing and stirring, adding the catalyst into the container while stirring, heating and stirring the mixture in the container, controlling the temperature at 50 ℃, keeping the stirring time for no less than two hours, and standing the mixture after the stirring is finished;
s4, standing the material S3, adding a foam stabilizer on the surface of the material, controlling the temperature to be not lower than 60 ℃ when adding the foam stabilizer, standing the material added with the foam stabilizer for four hours in an environment of more than 60 ℃, and taking out the material by using a heat insulation device after standing;
s5, transporting the aerosol tank through a conveyer belt of the equipment, filling materials in the third step into the aerosol tank while transporting, wherein the filling amount is 0-450 ml, the repeated filling degree is +/-0.5%, the filling speed is 800-1200 cans/hour, filling dimethyl ether as a foaming agent and propane-butane as a propellant into the aerosol tank, sealing the aerosol tank, and then repeatedly shaking through a shaking machine until the materials in the aerosol tank are sufficiently and uniformly mixed.
And (3) performance testing:
the test sets up under indoor normal atmospheric temperature environment, at first take this material and standard sample each, later detect its areal density respectively through intelligent compactness control appearance on the market respectively, the intercepting fritter sample is as for under the normal atmospheric temperature environment respectively again, pour water respectively on its surface, record its surface foaming's time and area, make the box body of fritter respectively with material and standard sample at last, place in noiseless indoor environment, place the sound source of the same volume inside the box body again, detect the volume decibel through the same position of the same decibel detector outside the box body, and record the test result as follows:
| test specimen | Expansion ratio | Areal density | Degree of sound insulation |
| Example one | ≥11 | ≥0.09 | ≤35 |
| Example two | ≥13 | ≥0.1 | ≤36 |
| EXAMPLE III | ≥12 | ≥0.2 | ≤39 |
| Comparative example 1 | ≥10 | ≥0.1 | ≤30 |
As can be seen from the test data in the table, the sound insulation material for a vehicle according to the embodiment of the present invention has a good sound insulation effect, and has great advantages in wear resistance and areal density for its standard sound insulation material.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a vehicle acoustic barrier material that shock-absorbing performance is good which characterized in that: the composite material is prepared from the following raw materials in parts by weight:
30-50 parts of chlorinated polyethylene;
20-25 parts of polyester fiber;
20-30 parts of quartz powder;
10-15 parts of sodium bicarbonate;
5-10 parts of polyalkoxysilane;
5-10 parts of sodium alkylsulfonate;
1-5 parts of a catalyst;
3-10 parts of mica powder;
1-3 parts of a water reducing agent.
2. The sound insulating material for vehicles having excellent vibration absorbing performance as claimed in claim 1, wherein: the main component in the catalyst is composed of sulfur trioxide and vanadium pentoxide according to the mass ratio of 2:1, and the water reducing agent is selected from one of melamine or fatty acid.
3. The sound-insulating material for vehicles having excellent vibration-absorbing properties according to claim 1, wherein the method for preparing the sound-insulating material for vehicles having excellent vibration-absorbing properties comprises the steps of:
s1, taking chlorinated polyethylene as a base material, adding the weighed chlorinated polyethylene into a ball mill, adding polyester fibers in a formula by weight, controlling the rotating speed to operate at 300-600 r/min for 120-150 hours until the chlorinated polyethylene is fully fused to form a prepolymer;
s2, sequentially weighing the quartz powder and the mica powder in the formula ratio, sequentially placing the quartz powder and the mica powder into a dispersing container, dispersing for 30 minutes until the fineness of the dispersed quartz powder and mica powder is not less than 10 micrometers, and taking the dispersed quartz powder and mica powder out for later use;
s3, taking out the prepolymer in the step S1, putting the prepolymer into a normal-temperature container, adding the material in the step S2, adding the catalyst and the sodium alkylsulfonate in the formula amount according to the proportion, heating and stirring, taking the catalyst and the sodium alkylsulfonate as organic synthesis intermediates, enhancing the internal reaction rate, and maintaining the temperature at 50 ℃;
s4, heating to 60 ℃, adding the weighed polyalkoxysilane into the container while continuously stirring to increase the distance and density between the materials, standing for 4 hours after uniformly mixing;
s5, taking out the material in the S4, putting the material into an internal mixer, adding sodium bicarbonate for mixing, controlling the temperature at 85 ℃ and the rotating speed at 30 r/min, mixing the materials for ten minutes, then mixing the materials into a prepared sheet, and hot-pressing the prepared sheet and adding a water reducing agent to further form the sound insulation material.
4. The method for producing a soundproof material for vehicle having excellent vibration-absorbing performance according to claim 3, wherein a production apparatus for the production method is provided, which includes a table (1), and is characterized in that: the upper surface of the workbench (1) is fixedly provided with a support plate (2), the top end of the support plate (2) is fixedly provided with a top plate (3), a slide rod (4) penetrates through the inside of the top plate (3), the slide rod (4) is slidably arranged in a shell (5), a sliding groove (6) formed in the shell (5) is internally provided with a variable resistor (601), the right side of the variable resistor (601) is provided with a metal sheet (602) corresponding to the slide rod at the left end of the slide rod (4), the right side of the support plate (2) is fixedly provided with a driving motor (7), the output end of the driving motor (7) penetrates through the inside of the support plate (2) and is connected with a connecting plate (8), the left surface of the connecting plate (8) is rotatably provided with a connecting rod (9), the tail end of the connecting rod (9) is fixedly provided with an adjusting frame (10), the bottom end of the adjusting frame (10) is rotatably arranged at the front, a supporting column (12) is fixedly arranged in the transverse frame (11), the supporting column (12) is slidably arranged in the fixed seat (13), and the bottom end of the supporting column (12) is fixedly provided with a hot-pressing head (14), the fixed seat (13) is fixedly arranged on the left surface of the supporting plate (2), the hot-pressing head (14) is slidably arranged in the placing cylinder (15), and a spray pipe (16) is arranged on the right side of the hot-pressing head (14), the spray pipe (16) penetrates through the inner part of the supporting plate (2), the tail end of the spray pipe (16) is fixedly connected to the left side surface of the reagent barrel (17), a push plate (18) is slidably arranged in the reagent cylinder (17), an air bag (19) is fixedly connected between the right surface of the push plate (18) and the inner wall of the reagent cylinder (17), a coil (1702) is arranged inside the right end of the reagent barrel (17), and a corresponding magnet (1701) is arranged on the left side of the coil (1702) and inside the push plate (18).
5. The apparatus for producing a soundproof material for vehicle according to claim 4, wherein: the magnetic field pole that the said coil (1702) produced is the same as the magnetic pole of the left end of the magnet (1701), the said coil (1702) is connected with electrical behavior between the variable resistance (601).
6. The apparatus for producing a soundproof material for vehicle according to claim 4, wherein: the transverse frame (11) is of a U-shaped structure, and the fixed seat (13) is arranged inside the transverse frame (11).
7. The apparatus for producing a soundproof material for vehicle according to claim 4, wherein: the sliding rod (4) and the connecting plate (8) are arranged vertically and correspondingly, the spray pipe (16) is of an L-shaped structure, and a waterproof pad is arranged on the right surface of the push plate (18).
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| CN102481881A (en) * | 2009-10-13 | 2012-05-30 | 名古屋油化株式会社 | Interior material for motor vehicles |
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| CN101945762A (en) * | 2008-02-14 | 2011-01-12 | 名古屋油化株式会社 | Sound absorbing skin material and sound absorbing material utilizing the same |
| CN102099850A (en) * | 2008-07-17 | 2011-06-15 | 丰田自动车株式会社 | Impact and sound absorbing material and sound absorbing structure |
| CN102481881A (en) * | 2009-10-13 | 2012-05-30 | 名古屋油化株式会社 | Interior material for motor vehicles |
| CN109416146A (en) * | 2016-05-10 | 2019-03-01 | 凯曼有限责任公司 | Non- sagging flexible insulator |
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