CN114015157A - Preparation process of high-molecular sound-insulation nonpolar material for cars - Google Patents
Preparation process of high-molecular sound-insulation nonpolar material for cars Download PDFInfo
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- CN114015157A CN114015157A CN202111352780.2A CN202111352780A CN114015157A CN 114015157 A CN114015157 A CN 114015157A CN 202111352780 A CN202111352780 A CN 202111352780A CN 114015157 A CN114015157 A CN 114015157A
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- 238000009413 insulation Methods 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims description 23
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- 229920000642 polymer Polymers 0.000 claims abstract description 26
- -1 polypropylene Polymers 0.000 claims abstract description 26
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004743 Polypropylene Substances 0.000 claims abstract description 18
- 229920001155 polypropylene Polymers 0.000 claims abstract description 18
- 239000008139 complexing agent Substances 0.000 claims abstract description 16
- 239000000839 emulsion Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 12
- 229920001577 copolymer Polymers 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 229940070527 tourmaline Drugs 0.000 claims abstract description 10
- 229910052613 tourmaline Inorganic materials 0.000 claims abstract description 10
- 239000011032 tourmaline Substances 0.000 claims abstract description 10
- 239000007822 coupling agent Substances 0.000 claims abstract description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 7
- 239000010445 mica Substances 0.000 claims abstract description 6
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 6
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims description 66
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 19
- 150000001241 acetals Chemical class 0.000 claims description 17
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 5
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 5
- 150000001555 benzenes Chemical class 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 5
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
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- 239000004202 carbamide Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- MYMKNEUWNLCERL-UHFFFAOYSA-N 1-(diethoxymethyl)cyclopenta-1,3-diene Chemical compound CCOC(OCC)C1=CC=CC1 MYMKNEUWNLCERL-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
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- 238000006386 neutralization reaction Methods 0.000 abstract description 2
- 238000006479 redox reaction Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical compound CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 description 2
- IJVRPNIWWODHHA-UHFFFAOYSA-N 2-cyanoprop-2-enoic acid Chemical compound OC(=O)C(=C)C#N IJVRPNIWWODHHA-UHFFFAOYSA-N 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
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- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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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
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of polymer sound-insulating nonpolar materials, and particularly relates to a polymer sound-insulating nonpolar material for a car, which comprises the following raw materials in percentage by mass: 50-55 parts of polypropylene, 9-11 parts of polyvinyl acetal, 12-17 parts of modified mica powder, 13-19 parts of modified tourmaline, 15-20 parts of acrylate emulsion, 20-28 parts of ethylene-propylene copolymer, 15-25 parts of nano silicon dioxide, 8-12 parts of mixed complexing agent and 5-10 parts of coupling agent. The raw materials of the invention have synergistic effect on sound insulation and shock absorption effects, tourmaline is modified, coupling agent is used for modifying tourmaline powder, the surface performance of the powder is improved, the powder is well combined with polypropylene matrix, the influence on mechanical performance is small, the polypropylene material has the effects of electrical neutralization, redox reaction, physical adsorption and the like on micromolecule volatile matters in the polypropylene material, the smell of the polypropylene composite material is effectively improved, and the use standard of automotive interior is met.
Description
Technical Field
The invention relates to the technical field of polymer sound-insulating nonpolar materials, in particular to a preparation process of a polymer sound-insulating nonpolar material for a car.
Background
The sound insulation of an automobile is to finely process engine noise generated by the automobile, resonance sound generated by vibration of tires and a road surface, friction sound generated by extrusion force of components in a carriage due to gaps or aging, and the like according to the performance of the automobile, corresponding road conditions and use conditions, so as to improve the riding comfort of the automobile. The most effective sound insulation method in the prior art is to add a sound insulation pad at a key part of an automobile, and most of the sound insulation pads used in the automobile at present are common rubber pads, so that although the sound insulation effect can be really achieved, the sound insulation effect still needs to be further optimized.
The polar material bonding in acoustical insulation is generally very accessible and many adhesives are available. However, the adhesion of such non-polar materials as polyethylene, polypropylene, polystyrene, polyester, etc. is very difficult, and some polyisobutylene glue, F-2 glue, EVA hot melt adhesive, polyurethane glue, alpha-cyanoacrylate glue, acrylic polyester glue, organic silica gel, etc. which are considered to have a wide application range, have no satisfactory effect when adhering the above non-polar materials, and particularly have almost no adhesion effect on the non-polar materials with high crystallinity.
Therefore, we propose a preparation process of the macromolecular sound-insulating non-polar material for the cars to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a preparation process of a high-molecular sound-insulation nonpolar material for a car.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high polymer sound insulation nonpolar material for a car comprises the following raw materials in percentage by mass: 50-55 parts of polypropylene, 9-11 parts of polyvinyl acetal, 12-17 parts of modified mica powder, 13-19 parts of modified tourmaline, 15-20 parts of acrylate emulsion, 20-28 parts of ethylene-propylene copolymer, 15-25 parts of nano silicon dioxide, 8-12 parts of mixed complexing agent and 5-10 parts of coupling agent.
In the above process for preparing the polymer soundproof non-polar material for a car, the polyvinyl acetal substance is any one or more of polyvinyl formal, polyvinyl acetal, polyvinyl butyral, polyvinyl urea acetal and polyvinyl furfural acetal.
In the preparation process of the macromolecular sound-insulating non-polar material for the car, the acrylic ester emulsion is a propyl-benzene emulsion, the content of propylene in the ethylene-propylene copolymer is 90-92 wt%, the mixed complexing agent comprises acetone, benzene or benzene derivatives, ethanol and rosin water, and the weight ratio of the components in the mixed complexing agent is 5: 4: 5: 5.
a preparation process of a high polymer sound insulation nonpolar material for a car comprises the following steps:
s1, obtaining the raw materials according to mass fraction;
s2, adding polypropylene and polyvinyl acetal into a mixer with the rotation speed of 400-;
s3, adding the mixed material prepared in the step S2 into an extruder to perform melt extrusion, granulation, drying and cooling, wherein the temperature of each section of a screw of the extruder is 190-.
In the above process for preparing a polymer soundproof non-polar material for a car, the mixer used in step S includes: the device comprises a support assembly, a bearing assembly, a mixing assembly and a driving assembly, wherein the support assembly comprises a workbench and a plurality of support columns arranged at the lower end of the workbench; the bearing assembly comprises two rectangular blocks arranged at the upper end of the workbench, and arc-shaped grooves are formed in the opposite side walls of the two rectangular blocks; the mixing assembly comprises a mixing tank arranged between two arc-shaped grooves, a feeding pipe communicated with the mixing tank is arranged on the side wall of the mixing tank, a discharging pipe communicated with the mixing tank is arranged at the lower end of the mixing tank, a rotating shaft communicated with the interior of the mixing tank is rotatably connected to the upper end of the mixing tank, and a mixing unit is arranged on the side wall of the rotating shaft at the inner side of the mixing tank; the drive assembly comprises a support arranged on one rectangular block side wall and a drive motor arranged at the upper end of the support, the support is in a transverse U shape, a vertical shaft is arranged at the output end of the drive motor, and the vertical shaft is connected with the mixing tank and the rotating shaft through a first transmission unit and a second transmission unit respectively.
In the preparation process of the polymer sound insulation nonpolar material for the car, the upper end of the workbench between the two rectangular blocks is provided with a strip-shaped opening corresponding to the discharge pipe, the discharge pipe extends to the lower side of the strip-shaped opening, and the outer side walls of the feed pipe and the discharge pipe are provided with valves.
In foretell polymer sound insulation non-polar material preparation technology for sedan-chair, the hybrid cell includes a plurality of hybrid blade that set up on the pivot lateral wall, hybrid blade is the arc, the equipartition is provided with a plurality of through-holes on hybrid blade's the lateral wall, hybrid blade keeps away from and is provided with the clearance piece with hybrid tank inner wall contact on the lateral wall of pivot, the clearance piece is including setting up the riser on the hybrid blade lateral wall and setting up the arc on the riser lateral wall, be provided with the clearance scraper blade with hybrid tank inner wall contact on the lateral wall of arc.
In the preparation process of the polymer sound insulation nonpolar material for the car, the first transmission unit comprises a gear ring fixedly sleeved on the outer side wall of the mixing tank, and a cylindrical gear meshed with the gear ring is fixedly sleeved on the outer side wall of the vertical shaft.
In the preparation process of the polymer sound insulation nonpolar material for the car, the second transmission unit comprises a first belt wheel and a second belt wheel which are fixedly sleeved on the side walls of the rotating shaft and the vertical shaft, the first belt wheel is correspondingly arranged on the upper side of the mixing tank, and the first belt wheel is connected with the second belt wheel through a belt.
Compared with the prior art, the preparation process of the macromolecular sound-insulating non-polar material for the car has the advantages that:
1. according to the invention, the raw materials have a synergistic effect on sound insulation and shock absorption effects, tourmaline is modified, and a coupling agent is used for modifying tourmaline powder, so that the surface performance of the powder is improved, the powder is well combined with a polypropylene matrix, the mechanical performance is slightly influenced, small molecular volatile matters in the polypropylene material are subjected to electric neutralization, oxidation-reduction reaction, physical adsorption and the like, the smell of the polypropylene composite material is effectively improved, the use standard of automotive interiors is met, and the polypropylene composite material is suitable for being applied to automotive interior parts.
2. The invention can realize the full mixing of the ingredients in the mixing tank under the matching use of the driving motor and the first transmission unit and the second transmission unit, particularly realizes the opposite rotation direction of the mixing tank and the mixing unit, further improves the sufficiency of the ingredient mixing and is beneficial to improving the quality of the ingredient mixing.
Drawings
FIG. 1 is a process diagram of the preparation method of the preparation process of the macromolecular sound-insulating non-polar material for the sedan;
FIG. 2 is a structural diagram of a mixer for a preparation process of a high molecular sound insulation non-polar material for a car according to the present invention;
FIG. 3 is a structural diagram of one side of a bracket in a mixer of the preparation process of the macromolecular sound-insulating non-polar material for the sedan;
FIG. 4 is a bottom view of a mixer for a car polymer soundproof non-polar material manufacturing process according to the present invention;
FIG. 5 is a cross-sectional view of the internal structure of a mixing tank in the mixing machine of the preparation process of the polymer sound-insulating non-polar material for the sedan.
In the figure, 100 support assemblies, 101 work tables, 102 support columns, 200 bearing assemblies, 201 rectangular blocks, 300 mixing assemblies, 301 mixing tanks, 302 feeding pipes, 303 discharging pipes, 304 rotating shafts, 305 strip-shaped openings, 400 mixing units, 401 mixing blades, 402 cleaning pieces, 500 driving assemblies, 501 brackets, 502 driving motors, 503 vertical shafts, 600 first driving units, 601 toothed rings, 602 cylindrical gears, 700 second driving units, 701 first pulleys, 702 second pulleys and 703 belts.
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.
Example 1
Referring to fig. 1-5, a polymer sound-insulating non-polar material for a car comprises the following raw materials in percentage by mass: 50 parts of polypropylene, 9 parts of polyvinyl acetal, 12 parts of modified mica powder, 13 parts of modified tourmaline, 15 parts of acrylate emulsion, 20 parts of ethylene-propylene copolymer, 15 parts of nano silicon dioxide, 8 parts of mixed complexing agent and 5 parts of coupling agent.
Wherein the polyvinyl acetal is selected from polyvinyl formal and polyvinyl acetal.
Wherein the acrylic ester emulsion is selected from propylene-benzene emulsion, the content of propylene in the ethylene-propylene copolymer is 90-92 wt%, the mixed complexing agent comprises acetone, benzene or benzene derivatives, ethanol and rosin water, and the weight ratio of the components in the mixed complexing agent is 5: 4: 5: 5.
example 2
Referring to fig. 1-5, a polymer sound-insulating non-polar material for a car comprises the following raw materials in percentage by mass: 53 parts of polypropylene, 10 parts of polyvinyl acetal, 15 parts of modified mica powder, 16 parts of modified tourmaline, 18 parts of acrylate emulsion, 25 parts of ethylene-propylene copolymer, 20 parts of nano silicon dioxide, 10 parts of mixed complexing agent and 8 parts of coupling agent.
Wherein the polyvinyl acetal is selected from polyvinyl butyral and polyvinyl urea acetal.
Wherein the acrylic ester emulsion is selected from propylene-benzene emulsion, the content of propylene in the ethylene-propylene copolymer is 90-92 wt%, the mixed complexing agent comprises acetone, benzene or benzene derivatives, ethanol and rosin water, and the weight ratio of the components in the mixed complexing agent is 5: 4: 5: 5.
example 3
Referring to fig. 1-5, a polymer sound-insulating non-polar material for a car comprises the following raw materials in percentage by mass: 55 parts of polypropylene, 11 parts of polyvinyl acetal, 17 parts of modified mica powder, 19 parts of modified tourmaline, 20 parts of acrylate emulsion, 28 parts of ethylene-propylene copolymer, 25 parts of nano silicon dioxide, 12 parts of mixed complexing agent and 10 parts of coupling agent.
Wherein the polyvinyl acetal is polyvinyl furfural.
Wherein the acrylic ester emulsion is selected from propylene-benzene emulsion, the content of propylene in the ethylene-propylene copolymer is 90-92 wt%, the mixed complexing agent comprises acetone, benzene or benzene derivatives, ethanol and rosin water, and the weight ratio of the components in the mixed complexing agent is 5: 4: 5: 5.
a preparation process of a high polymer sound insulation nonpolar material for a car comprises the following steps:
s1, obtaining the raw materials according to mass fraction;
s2, adding polypropylene and polyvinyl acetal into a mixer with the rotation speed of 400-;
s3, adding the mixed material prepared in the step S2 into an extruder to perform melt extrusion, granulation, drying and cooling, wherein the temperature of each section of a screw of the extruder is 190-.
Specifically, the mixer used in step S2 includes: the device comprises a support assembly 100, a bearing assembly 200, a mixing assembly 300 and a driving assembly 500, wherein the support assembly 100 comprises a workbench 101 and a plurality of support columns 102 arranged at the lower end of the workbench 101; the bearing assembly 200 comprises two rectangular blocks 201 arranged at the upper end of the workbench 101, and arc-shaped grooves are formed in the opposite side walls of the two rectangular blocks 201; mixing unit 300 is including setting up blending tank 301 between two arc recesses, be provided with the inlet pipe 302 rather than the intercommunication on blending tank 301's the lateral wall, blending tank 301's lower extreme is provided with the discharging pipe 303 rather than the intercommunication, blending tank 301's upper end is rotated and is connected with the pivot 304 rather than inside intercommunication, the bar opening 305 that corresponds with discharging pipe 303 is seted up to workstation 101 upper end between two rectangle pieces 201, discharging pipe 303 extends to the downside of bar opening 305, all be provided with the valve on the lateral wall of inlet pipe 302 and discharging pipe 303, be convenient for to the feeding and the ejection of compact control of batching.
Wherein, be provided with hybrid cell 400 on the inboard pivot 304 lateral wall of hybrid tank 301, hybrid cell 400 includes a plurality of hybrid blade 401 that set up on the pivot 304 lateral wall, hybrid blade 401 is the arc, the equipartition is provided with a plurality of through-holes on hybrid blade 401's the lateral wall, hybrid blade 401 is provided with the clearance piece 402 with the contact of hybrid tank 301 inner wall on keeping away from the lateral wall of pivot, clearance piece 402 is including setting up the riser on hybrid blade 401 lateral wall and setting up the arc on the riser lateral wall, be provided with the clearance scraper blade with the contact of hybrid tank 301 inner wall on the lateral wall of arc, can carry out the intensive mixing operation to the batching in hybrid tank 301 under hybrid cell 400's use, and clearance piece 402 can clear up the inner wall of hybrid tank 301 in mixing process, guarantee the clean and tidy and reduce the adhering to of batching of hybrid tank 301 inner wall.
Wherein, the driving assembly 500 comprises a bracket 501 arranged on the side wall of one of the rectangular blocks 201 and a driving motor 502 arranged at the upper end of the bracket 501, the bracket 501 is in a transverse U shape, the output end of the driving motor 502 is provided with a vertical shaft 503, further, the vertical shaft 503 is respectively connected with the mixing tank 301 and the rotating shaft 304 through a first transmission unit 600 and a second transmission unit 700, specifically, the first transmission unit 600 comprises a toothed ring 601 fixedly sleeved on the outer side wall of the mixing tank 301, the outer side wall of the vertical shaft 503 is fixedly sleeved with a cylindrical gear 602 engaged with the toothed ring 601, the second transmission unit 700 comprises a first belt pulley 701 and a second belt pulley 702 fixedly sleeved on the side walls of the rotating shaft 304 and the vertical shaft 503, the first belt pulley 701 is correspondingly arranged on the upper side of the mixing tank 301, the first belt pulley 701 is connected with the second belt pulley 702 through a belt 703, under the cooperation use of the driving motor 502 and the first transmission unit 600 and the second transmission unit 700, the ingredients in the mixing tank 301 can be fully mixed, more specifically, the cylindrical gear 602 in the first transmission unit 600 can drive the toothed ring 601 to rotate and realize the rotation of the whole mixing tank 301, while the second belt pulley 702 in the second transmission unit 600 rotates the first belt pulley 701 under the transmission of the belt 703 and realizes the mixing of the ingredients in the mixing unit 400 on the rotating shaft 304 in the mixing tank 301, and the rotation direction of the mixing tank 301 is opposite to that of the mixing unit 400, so that the sufficiency of ingredient mixing is further improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The polymer sound-insulation nonpolar material for the sedan is characterized by comprising the following raw materials in percentage by mass: 50-55 parts of polypropylene, 9-11 parts of polyvinyl acetal, 12-17 parts of modified mica powder, 13-19 parts of modified tourmaline, 15-20 parts of acrylate emulsion, 20-28 parts of ethylene-propylene copolymer, 15-25 parts of nano silicon dioxide, 8-12 parts of mixed complexing agent and 5-10 parts of coupling agent.
2. The polymer soundproof nonpolar material for a passenger car as claimed in claim 1, wherein the polyvinyl acetal substance is one or more polyvinyl acetal substances selected from among polyvinyl formal, polyvinyl acetal, polyvinyl butyral, polyvinyl urea acetal and polyvinyl furfural acetal.
3. The polymer sound-insulation nonpolar material for the sedan car as claimed in claim 2, wherein the acrylate emulsion is a propylene-benzene emulsion, the propylene content in the ethylene-propylene copolymer is 90-92 wt%, the mixed complexing agent comprises acetone, benzene or benzene derivatives, ethanol and rosin water, and the weight ratio of the components in the mixed complexing agent is 5: 4: 5: 5.
4. a preparation process of a high polymer sound insulation nonpolar material for a car is characterized by comprising the following steps:
s1, obtaining the raw materials according to mass fraction;
s2, adding polypropylene and polyvinyl acetal into a mixer with the rotation speed of 400-;
s3, adding the mixed material prepared in the step S2 into an extruder to perform melt extrusion, granulation, drying and cooling, wherein the temperature of each section of a screw of the extruder is 190-.
5. The process of claim 4, wherein the mixer used in step S2 comprises:
the supporting assembly (100) comprises a workbench (101) and a plurality of supporting columns (102) arranged at the lower end of the workbench (101);
the bearing assembly (200) comprises two rectangular blocks (201) arranged at the upper end of the workbench (101), and arc-shaped grooves are formed in the opposite side walls of the two rectangular blocks (201);
the mixing assembly (300) comprises a mixing tank (301) arranged between two arc-shaped grooves, a feeding pipe (302) communicated with the mixing tank is arranged on the side wall of the mixing tank (301), a discharging pipe (303) communicated with the mixing tank is arranged at the lower end of the mixing tank (301), a rotating shaft (304) communicated with the interior of the mixing tank is rotatably connected to the upper end of the mixing tank (301), and a mixing unit (400) is arranged on the side wall of the rotating shaft (304) on the inner side of the mixing tank (301);
drive assembly (500), drive assembly (500) is including setting up support (501) on one of them rectangular block (201) lateral wall and setting up in driving motor (502) of support (501) upper end, support (501) are horizontal U-shaped, driving motor (502)'s output is provided with vertical axis (503), be connected through first transmission unit (600) and second transmission unit (700) between vertical axis (503) and blending tank (301) and pivot (304) respectively.
6. The preparation process of the polymer sound insulation nonpolar material for the sedan car according to claim 5, wherein a strip-shaped opening (305) corresponding to the discharge pipe (303) is formed in the upper end of the workbench (101) between the two rectangular blocks (201), the discharge pipe (303) extends to the lower side of the strip-shaped opening (305), and valves are arranged on the outer side walls of the feed pipe (302) and the discharge pipe (303).
7. The preparation process of the polymer soundproof nonpolar material for the car according to claim 5, wherein the mixing unit (400) comprises a plurality of mixing blades (401) arranged on the outer side wall of the rotating shaft (304), the mixing blades (401) are arc-shaped, a plurality of through holes are uniformly distributed on the side wall of the mixing blades (401), a cleaning piece (402) in contact with the inner wall of the mixing tank (301) is arranged on the side wall of the mixing blades (401) far away from the rotating shaft, the cleaning piece (402) comprises a vertical plate arranged on the side wall of the mixing blades (401) and an arc-shaped plate arranged on the side wall of the vertical plate, and a cleaning scraper plate in contact with the inner wall of the mixing tank (301) is arranged on the side wall of the arc-shaped plate.
8. The preparation process of the polymer sound insulation nonpolar material for the sedan car as claimed in claim 5, wherein the first transmission unit (600) comprises a toothed ring (601) fixedly sleeved on the outer side wall of the mixing tank (301), and a cylindrical gear (602) meshed with the toothed ring (601) is fixedly sleeved on the outer side wall of the vertical shaft (503).
9. The preparation process of the polymer sound insulation nonpolar material for the sedan as claimed in claim 8, wherein the second transmission unit (700) comprises a first belt wheel (701) and a second belt wheel (702) fixedly sleeved on the side walls of the rotating shaft (304) and the vertical shaft (503), the first belt wheel (701) is correspondingly arranged on the upper side of the mixing tank (301), and the first belt wheel (701) and the second belt wheel (702) are connected through a belt (703).
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| CN202111352780.2A CN114015157A (en) | 2021-11-16 | 2021-11-16 | Preparation process of high-molecular sound-insulation nonpolar material for cars |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071680A (en) * | 1991-10-19 | 1993-05-05 | 薛志纯 | Non-polar adhesive |
| CN109486016A (en) * | 2018-12-07 | 2019-03-19 | 广德天运新技术股份有限公司 | Automotive interior sound insulation pad RPP material and its manufacturing method |
| CN213314646U (en) * | 2020-09-17 | 2021-06-01 | 郓城诚源医药科技有限公司 | Electric stirrer for medical intermediate |
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2021
- 2021-11-16 CN CN202111352780.2A patent/CN114015157A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071680A (en) * | 1991-10-19 | 1993-05-05 | 薛志纯 | Non-polar adhesive |
| CN109486016A (en) * | 2018-12-07 | 2019-03-19 | 广德天运新技术股份有限公司 | Automotive interior sound insulation pad RPP material and its manufacturing method |
| CN213314646U (en) * | 2020-09-17 | 2021-06-01 | 郓城诚源医药科技有限公司 | Electric stirrer for medical intermediate |
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