CN112194867A - High-foaming sound insulation material for vehicle and preparation method thereof - Google Patents
High-foaming sound insulation material for vehicle and preparation method thereof Download PDFInfo
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- CN112194867A CN112194867A CN202011161801.8A CN202011161801A CN112194867A CN 112194867 A CN112194867 A CN 112194867A CN 202011161801 A CN202011161801 A CN 202011161801A CN 112194867 A CN112194867 A CN 112194867A
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- 238000005187 foaming Methods 0.000 title claims abstract description 35
- 239000012774 insulation material Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 239000011347 resin Substances 0.000 claims abstract description 34
- 229920005989 resin Polymers 0.000 claims abstract description 34
- 239000004014 plasticizer Substances 0.000 claims abstract description 32
- 239000003381 stabilizer Substances 0.000 claims abstract description 28
- 239000000945 filler Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004088 foaming agent Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000000654 additive Substances 0.000 claims abstract description 22
- 230000000996 additive effect Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000004094 surface-active agent Substances 0.000 claims abstract description 22
- 239000002667 nucleating agent Substances 0.000 claims abstract description 20
- 239000003607 modifier Substances 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 17
- 210000000497 foam cell Anatomy 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 30
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 20
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 15
- 239000011265 semifinished product Substances 0.000 claims description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 5
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000012814 acoustic material Substances 0.000 description 6
- 239000006260 foam Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/125—Water, e.g. hydrated salts
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C08J2203/184—Binary blends of expanding agents of chemical foaming agent and physical blowing agent, e.g. azodicarbonamide and fluorocarbon
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- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
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Abstract
The invention discloses a high-foaming sound insulation material for vehicles and a preparation method thereof, wherein the formula comprises the following components: the foaming agent comprises PVC resin, an AC foaming agent, a plasticizer, a stabilizer, a resin modifier, a surfactant, a filler, an additive, a foam cell nucleating agent and water, wherein the components in parts by weight are as follows: 98-102 parts of PVC resin, 2-3 parts of AC foaming agent, 38-40 parts of plasticizer, 4-5 parts of stabilizer, 1-2 parts of resin modifier, 1-2 parts of surfactant, 4-5 parts of filler, 2-3 parts of additive, 4-5 parts of foam cell nucleating agent and 1-2 parts of water; according to the invention, the added filler and the added foam cell nucleating agent are utilized, so that the propagation of noise is favorably blocked, the sound insulation effect of the foamed sound insulation material is improved, and meanwhile, in the process of preparing and producing the foamed sound insulation material, the AC foaming agent and water are jointly used as the foaming material, and then steam heating treatment is carried out, so that the sound insulation material is favorably and better foamed, the foaming rate of the sound insulation material is improved, and the quality of the foamed sound insulation material is further improved.
Description
Technical Field
The invention relates to the technical field of foamed sound insulation materials, in particular to a high-foaming sound insulation material for a vehicle and a preparation method thereof.
Background
The sound insulation material is a material, a component or a structure which can block sound transmission or weaken transmitted sound energy, and often appears in places with large noise, along with the development of economy in China, the automobile has the appearance in our daily life, the appearance of the automobile greatly facilitates our daily life, but noise and tire noise generated by an engine in the process of driving the automobile are not beneficial to creating a comfortable driving environment, so that the foamed sound insulation material is often installed in the process of producing the automobile to reduce decibels, but the traditional foamed sound insulation material has poor sound insulation effect and is not beneficial to meeting the requirement of noise reduction, meanwhile, the foaming rate of the traditional foamed sound insulation material in the process of preparing and producing is low, and the quality of products is reduced.
Disclosure of Invention
The invention aims to provide a high-foaming sound insulation material for a vehicle and a preparation method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a high-foaming sound insulation material for a vehicle comprises the following components in percentage by weight: the foaming agent comprises PVC resin, an AC foaming agent, a plasticizer, a stabilizer, a resin modifier, a surfactant, a filler, an additive, a foam cell nucleating agent and water, wherein the components in parts by weight are as follows: 98-102 parts of PVC resin, 2-3 parts of AC foaming agent, 38-40 parts of plasticizer, 4-5 parts of stabilizer, 1-2 parts of resin modifier, 1-2 parts of surfactant, 4-5 parts of filler, 2-3 parts of additive, 4-5 parts of foam cell nucleating agent and 1-2 parts of water.
A preparation method of a high-foaming sound insulation material for a vehicle comprises the following steps of selecting raw materials; step two, mixing and stirring; step three, mixing; step four, steam heating; step five, heat treatment;
in the first step, 98-102 parts of PVC resin, 2-3 parts of AC foaming agent, 38-40 parts of plasticizer, 4-5 parts of stabilizer, 1-2 parts of resin modifier, 1-2 parts of surfactant, 4-5 parts of filler, 2-3 parts of additive and 1-2 parts of water are respectively selected according to the parts by weight of the components for later use;
in the second step, the raw materials selected in the first step are placed in a magnetic heating stirrer to be heated, stirred and mixed to obtain a mixture, the mixture is heated in the stirring process, when the mixture is heated to the temperature of 110-;
in the third step, the mixture after the standing is added into an open mill for mixing for 5-8min to obtain a mixed material, the temperature of a front roller of the open mill is kept at 110-120 ℃ in the mixing process, and the temperature of a rear roller of the open mill is kept at 105-110 ℃;
in the fourth step, the obtained mixed material is placed in an extruder to be heated in a segmented mode to be extruded to obtain an extruded material, the heating temperature of the first section is 60-80 ℃, the heating temperature of the second section is 100-;
and in the fifth step, taking the semi-finished product out of the cold water, immediately placing the semi-finished product in a steam heating oven for heat treatment, wherein the pressure of the heated steam is 0.3-0.4MPa, the time of the heat treatment is 15-20min, and then taking the semi-finished product out and cooling to the normal temperature to obtain the high-foaming sound insulation material for the vehicle.
According to the technical scheme, the plasticizer is prepared by mixing DOP plasticizer and DAP plasticizer according to the weight ratio of 3: 2.
According to the technical scheme, the stabilizer is one or a mixture of organic tin and liquid calcium zinc stabilizer.
According to the technical scheme, the surfactant is one or a mixture of more of silicone oil, methyl silicone oil and sodium dodecyl benzene sulfonate.
According to the technical scheme, the filler is prepared by mixing waste glass powder, shell powder and mica powder according to the weight ratio of 2: 1.
According to the technical scheme, the additive is prepared by mixing tar and glycerol according to the weight ratio of 3: 2.
According to the technical scheme, the foam cell nucleating agent is prepared by mixing titanium dioxide, fine ground calcium carbonate and nano calcium carbonate according to the weight ratio of 2: 1: 2.
Compared with the prior art, the invention has the following beneficial effects: this automobile-used high foaming acoustic material and preparation method thereof, utilize filler and the foam nucleating agent of interpolation, be favorable to blockking the propagation of noise, the syllable-dividing effect of this foaming acoustic material has been improved, be favorable to using under the use scene of difference, simultaneously at the in-process of preparation production this foaming acoustic material, utilize AC foamer and water as the expanded material jointly, carry out steam heating processing afterwards, be favorable to the better foaming of this acoustic material, the foaming rate of this acoustic material has been improved, and then the quality of this foaming acoustic material has been improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of the method of the present invention.
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, the present invention provides a technical solution:
example 1:
a high-foaming sound insulation material for a vehicle comprises the following components in percentage by weight: the foaming agent comprises PVC resin, an AC foaming agent, a plasticizer, a stabilizer, a resin modifier, a surfactant, a filler, an additive, a foam cell nucleating agent and water, wherein the components in parts by weight are as follows: 98-102 parts of PVC resin, 2-3 parts of AC foaming agent, 38-40 parts of plasticizer, 4-5 parts of stabilizer, 1-2 parts of resin modifier, 1-2 parts of surfactant, 4-5 parts of filler, 2-3 parts of additive, 4-5 parts of foam nucleating agent and 1-2 parts of water, wherein the plasticizer is prepared by mixing DOP plasticizer and DAP plasticizer according to the weight ratio of 3: 2, the stabilizer is one or two mixtures of organic tin and liquid calcium zinc stabilizer, the surfactant is one or more mixtures of silicone oil, methyl silicone oil and sodium dodecyl benzene sulfonate, the filler is prepared by mixing waste glass powder, shell powder and mica powder according to the weight ratio of 2: 1, the additive is prepared by mixing tar and glycerol according to the weight ratio of 3: 2, the foam cell nucleating agent is prepared by mixing titanium dioxide, fine ground calcium carbonate and nano calcium carbonate according to the weight ratio of 2: 1: 2.
A preparation method of a high-foaming sound insulation material for a vehicle comprises the following steps of selecting raw materials; step two, mixing and stirring; step three, mixing; step four, steam heating; step five, heat treatment;
in the first step, 98 parts of PVC resin, 2 parts of AC foaming agent, 38 parts of plasticizer, 4 parts of stabilizer, 1 part of resin modifier, 1 part of surfactant, 4 parts of filler, 2 parts of additive and 1 part of water are respectively selected according to the parts by weight of the components for later use;
in the second step, the raw materials selected in the first step are placed in a magnetic heating stirrer to be heated, stirred and mixed to obtain a mixture, the mixture is heated in the stirring process, when the mixture is heated to the temperature of 110-;
in the third step, the mixture after the standing is added into an open mill for mixing for 5-8min to obtain a mixed material, the temperature of a front roller of the open mill is kept at 110-120 ℃ in the mixing process, and the temperature of a rear roller of the open mill is kept at 105-110 ℃;
in the fourth step, the obtained mixed material is placed in an extruder to be heated in a segmented mode to be extruded to obtain an extruded material, the heating temperature of the first section is 60-80 ℃, the heating temperature of the second section is 100-;
and in the fifth step, taking the semi-finished product out of the cold water, immediately placing the semi-finished product in a steam heating oven for heat treatment, wherein the pressure of the heated steam is 0.3-0.4MPa, the time of the heat treatment is 15-20min, and then taking the semi-finished product out and cooling to the normal temperature to obtain the high-foaming sound insulation material for the vehicle.
Example 2:
a high-foaming sound insulation material for a vehicle comprises the following components in percentage by weight: the foaming agent comprises PVC resin, an AC foaming agent, a plasticizer, a stabilizer, a resin modifier, a surfactant, a filler, an additive, a foam cell nucleating agent and water, wherein the components in parts by weight are as follows: 98-102 parts of PVC resin, 2-3 parts of AC foaming agent, 38-40 parts of plasticizer, 4-5 parts of stabilizer, 1-2 parts of resin modifier, 1-2 parts of surfactant, 4-5 parts of filler, 2-3 parts of additive, 4-5 parts of foam nucleating agent and 1-2 parts of water, wherein the plasticizer is prepared by mixing DOP plasticizer and DAP plasticizer according to the weight ratio of 3: 2, the stabilizer is one or two mixtures of organic tin and liquid calcium zinc stabilizer, the surfactant is one or more mixtures of silicone oil, methyl silicone oil and sodium dodecyl benzene sulfonate, the filler is prepared by mixing waste glass powder, shell powder and mica powder according to the weight ratio of 2: 1, the additive is prepared by mixing tar and glycerol according to the weight ratio of 3: 2, the foam cell nucleating agent is prepared by mixing titanium dioxide, fine ground calcium carbonate and nano calcium carbonate according to the weight ratio of 2: 1: 2.
A preparation method of a high-foaming sound insulation material for a vehicle comprises the following steps of selecting raw materials; step two, mixing and stirring; step three, mixing; step four, steam heating; step five, heat treatment;
in the first step, 102 parts of PVC resin, 3 parts of AC foaming agent, 40 parts of plasticizer, 5 parts of stabilizer, 2 parts of resin modifier, 2 parts of surfactant, 5 parts of filler, 3 parts of additive and 2 parts of water are respectively selected according to the parts by weight of the components for later use;
in the second step, the raw materials selected in the first step are placed in a magnetic heating stirrer to be heated, stirred and mixed to obtain a mixture, the mixture is heated in the stirring process, when the mixture is heated to the temperature of 110-;
in the third step, the mixture after the standing is added into an open mill for mixing for 5-8min to obtain a mixed material, the temperature of a front roller of the open mill is kept at 110-120 ℃ in the mixing process, and the temperature of a rear roller of the open mill is kept at 105-110 ℃;
in the fourth step, the obtained mixed material is placed in an extruder to be heated in a segmented mode to be extruded to obtain an extruded material, the heating temperature of the first section is 60-80 ℃, the heating temperature of the second section is 100-;
and in the fifth step, taking the semi-finished product out of the cold water, immediately placing the semi-finished product in a steam heating oven for heat treatment, wherein the pressure of the heated steam is 0.3-0.4MPa, the time of the heat treatment is 15-20min, and then taking the semi-finished product out and cooling to the normal temperature to obtain the high-foaming sound insulation material for the vehicle.
Example 3:
a high-foaming sound insulation material for a vehicle comprises the following components in percentage by weight: the foaming agent comprises PVC resin, an AC foaming agent, a plasticizer, a stabilizer, a resin modifier, a surfactant, a filler, an additive, a foam cell nucleating agent and water, wherein the components in parts by weight are as follows: 98-102 parts of PVC resin, 2-3 parts of AC foaming agent, 38-40 parts of plasticizer, 4-5 parts of stabilizer, 1-2 parts of resin modifier, 1-2 parts of surfactant, 4-5 parts of filler, 2-3 parts of additive, 4-5 parts of foam nucleating agent and 1-2 parts of water, wherein the plasticizer is prepared by mixing DOP plasticizer and DAP plasticizer according to the weight ratio of 3: 2, the stabilizer is one or two mixtures of organic tin and liquid calcium zinc stabilizer, the surfactant is one or more mixtures of silicone oil, methyl silicone oil and sodium dodecyl benzene sulfonate, the filler is prepared by mixing waste glass powder, shell powder and mica powder according to the weight ratio of 2: 1, the additive is prepared by mixing tar and glycerol according to the weight ratio of 3: 2, the foam cell nucleating agent is prepared by mixing titanium dioxide, fine ground calcium carbonate and nano calcium carbonate according to the weight ratio of 2: 1: 2.
A preparation method of a high-foaming sound insulation material for a vehicle comprises the following steps of selecting raw materials; step two, mixing and stirring; step three, mixing; step four, steam heating; step five, heat treatment;
in the first step, 100 parts of PVC resin, 3 parts of AC foaming agent, 39 parts of plasticizer, 4 parts of stabilizer, 2 parts of resin modifier, 1 part of surfactant, 5 parts of filler, 3 parts of additive and 2 parts of water are respectively selected according to the parts by weight of the components for later use;
in the second step, the raw materials selected in the first step are placed in a magnetic heating stirrer to be heated, stirred and mixed to obtain a mixture, the mixture is heated in the stirring process, when the mixture is heated to the temperature of 110-;
in the third step, the mixture after the standing is added into an open mill for mixing for 5-8min to obtain a mixed material, the temperature of a front roller of the open mill is kept at 110-120 ℃ in the mixing process, and the temperature of a rear roller of the open mill is kept at 105-110 ℃;
in the fourth step, the obtained mixed material is placed in an extruder to be heated in a segmented mode to be extruded to obtain an extruded material, the heating temperature of the first section is 60-80 ℃, the heating temperature of the second section is 100-;
and in the fifth step, taking the semi-finished product out of the cold water, immediately placing the semi-finished product in a steam heating oven for heat treatment, wherein the pressure of the heated steam is 0.3-0.4MPa, the time of the heat treatment is 15-20min, and then taking the semi-finished product out and cooling to the normal temperature to obtain the high-foaming sound insulation material for the vehicle.
The vehicle high-foaming sound insulation materials obtained in the above examples were tested separately, and the data obtained are as follows:
based on the above, the high-foaming sound insulation material has the advantages that the added filler and the added foam cell nucleating agent are utilized in the process of preparing the high-foaming sound insulation material, so that the transmission of noise is favorably blocked, the sound insulation effect is further improved, the material is favorably used in environments with different decibels of noise, the added AC foaming agent and the water are simultaneously utilized as the foaming material, and the steam heating is carried out in the preparation process, so that the material is favorably foamed, the foaming rate of the material is improved, and the quality of the foaming material is further improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A high-foaming sound insulation material for a vehicle comprises the following components in percentage by weight: PVC resin, AC foaming agent, plasticizer, stabilizer, resin modifier, surfactant, filler, additive, foam cell nucleating agent and water, wherein the components are as follows: the weight parts of the components are respectively as follows: 98-102 parts of PVC resin, 2-3 parts of AC foaming agent, 38-40 parts of plasticizer, 4-5 parts of stabilizer, 1-2 parts of resin modifier, 1-2 parts of surfactant, 4-5 parts of filler, 2-3 parts of additive, 4-5 parts of foam cell nucleating agent and 1-2 parts of water.
2. A preparation method of a high-foaming sound insulation material for a vehicle comprises the following steps of selecting raw materials; step two, mixing and stirring; step three, mixing; step four, steam heating; step five, heat treatment; the method is characterized in that:
in the first step, 98-102 parts of PVC resin, 2-3 parts of AC foaming agent, 38-40 parts of plasticizer, 4-5 parts of stabilizer, 1-2 parts of resin modifier, 1-2 parts of surfactant, 4-5 parts of filler, 2-3 parts of additive and 1-2 parts of water are respectively selected according to the parts by weight of the components for later use;
in the second step, the raw materials selected in the first step are placed in a magnetic heating stirrer to be heated, stirred and mixed to obtain a mixture, the mixture is heated in the stirring process, when the mixture is heated to the temperature of 110-;
in the third step, the mixture after the standing is added into an open mill for mixing for 5-8min to obtain a mixed material, the temperature of a front roller of the open mill is kept at 110-120 ℃ in the mixing process, and the temperature of a rear roller of the open mill is kept at 105-110 ℃;
in the fourth step, the obtained mixed material is placed in an extruder to be heated in a segmented mode to be extruded to obtain an extruded material, the heating temperature of the first section is 60-80 ℃, the heating temperature of the second section is 100-;
and in the fifth step, taking the semi-finished product out of the cold water, immediately placing the semi-finished product in a steam heating oven for heat treatment, wherein the pressure of the heated steam is 0.3-0.4MPa, the time of the heat treatment is 15-20min, and then taking the semi-finished product out and cooling to the normal temperature to obtain the high-foaming sound insulation material for the vehicle.
3. The highly foamed sound insulating material for vehicles according to claim 1, characterized in that: the plasticizer is prepared by mixing DOP plasticizer and DAP plasticizer according to the weight ratio of 3: 2.
4. The highly foamed sound insulating material for vehicles according to claim 1, characterized in that: the stabilizer is one or two mixtures of organic tin stabilizer and liquid calcium zinc stabilizer.
5. The highly foamed sound insulating material for vehicles according to claim 1, characterized in that: the surfactant is one or a mixture of silicone oil, methyl silicone oil and sodium dodecyl benzene sulfonate.
6. The highly foamed sound insulating material for vehicles according to claim 1, characterized in that: the filler is prepared by mixing waste glass powder, shell powder and mica powder according to the weight ratio of 2: 1.
7. The highly foamed sound insulating material for vehicles according to claim 1, characterized in that: the additive is prepared by mixing tar and glycerol according to the weight ratio of 3: 2.
8. The highly foamed sound insulating material for vehicles according to claim 1, characterized in that: the foam cell nucleating agent is prepared by mixing titanium dioxide, fine ground calcium carbonate and nano calcium carbonate according to the weight ratio of 2: 1: 2.
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