CN112759849A - Environment-friendly damping type sound-insulation heat-insulation rubber pad for vehicle and preparation method thereof - Google Patents
Environment-friendly damping type sound-insulation heat-insulation rubber pad for vehicle and preparation method thereof Download PDFInfo
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- CN112759849A CN112759849A CN202110075900.2A CN202110075900A CN112759849A CN 112759849 A CN112759849 A CN 112759849A CN 202110075900 A CN202110075900 A CN 202110075900A CN 112759849 A CN112759849 A CN 112759849A
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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
- 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
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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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
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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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
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08J2323/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
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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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08J2323/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08J2323/22—Copolymers of isobutene; butyl rubber
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Compared with an asphalt mat, the damping rubber mat has better damping factor and odor performance, better VOC well solves the problem that VOC and odor of the asphalt mat exceed the standard, and the flame retardant problem of the product is well solved by adding aluminum hydroxide.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to an environment-friendly damping type sound and heat insulation rubber pad for a vehicle and a preparation method thereof.
Background
Damping type sound insulation heat insulating mattress is with synthetic rubber, tackifying resin as the thermosetting preforming inflation film of base-material, mainly insulates against heat to the space of double-deck panel beating or individual layer panel beating, and the vibration isolation and the processing of making an uproar of falling promote NVH performance, and typical service position includes panel beating cavity departments such as preceding enclose, wheel casing. The product has excellent adhesion with plates, does not contain organic solvents, is nontoxic and free of pungent odor, and does not pollute the environment.
Most of the damping fins used in the automobiles are asphalt damping fins, the asphalt No. 70 is mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt, and the coal tar asphalt is classified as a first-class carcinogen by the International cancer center of the world health organization in 1976 because the coal tar asphalt contains carcinogen, namely benzopyrene. That is, coal tar pitch has definite carcinogenic effect on human body, so an environment-friendly damping material is urgently needed to replace the pitch mat.
Disclosure of Invention
The invention aims to provide an environment-friendly damping type sound and heat insulation rubber pad for a vehicle and a preparation method thereof, so as to solve the technical problems.
In order to solve the technical problems, the invention adopts the following technical scheme:
an environment-friendly damping type sound-insulation and heat-insulation rubber pad for a vehicle is a damping pad taking butyl rubber and ethylene propylene diene monomer rubber as main bodies, and specifically comprises the following components: 20% of butyl rubber, 10% of ethylene propylene diene monomer, 25% of inorganic filler, 20% of mica powder, 20% of polyisobutylene, 1% of aluminum hydroxide, 5% of OBSH, 2% of sulfur and 0.20% of accelerator.
A preparation method of an environment-friendly damping type sound and heat insulation rubber pad for a vehicle comprises the following steps:
s1, pre-drying the inorganic filler for one night after the temperature of the inorganic filler is raised, and removing water in the inorganic filler;
s2, adding butyl rubber, ethylene propylene diene monomer, inorganic filler, mica powder, polyisobutylene and aluminum hydroxide into an internal mixer, and uniformly stirring;
s3, adding a foaming agent and a vulcanization aid into the uniformly mixed rubber intermediate, and continuously stirring in an internal mixer, wherein the system temperature is controlled to be less than 70 ℃;
and S4, preparing the rubber material into a sheet with a certain thickness specification by using an extruder.
Preferably, the compounding ratio of the ethylene propylene diene monomer, the mica powder and the polyisobutylene is 2:1 and 2: 2.
Preferably, the temperature of the inorganic filler must be greater than 80 ℃.
The invention has the beneficial effects that:
compared with the asphalt mat, the damping type rubber mat has better damping factor and better odor, the problem that VOC and odor of the asphalt mat exceed the standard is well solved by better VOC, and the flame retardant problem of the product is well solved by adding aluminum hydroxide.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below.
Example 1
An environment-friendly damping type sound-insulation and heat-insulation rubber pad for a vehicle is a damping pad taking butyl rubber and ethylene propylene diene monomer rubber as main bodies, and specifically comprises the following components: 20% of butyl rubber, 10% of ethylene propylene diene monomer, 25% of inorganic filler, 20% of mica powder, 20% of polyisobutylene, 1% of aluminum hydroxide, 5% of OBSH, 2% of sulfur and 0.20% of accelerator.
A preparation method of an environment-friendly damping type sound and heat insulation rubber pad for a vehicle comprises the following steps:
s1, pre-drying the inorganic filler for one night after the temperature of the inorganic filler is raised, and removing water in the inorganic filler;
s2, adding butyl rubber, ethylene propylene diene monomer, inorganic filler, mica powder, polyisobutylene and aluminum hydroxide into an internal mixer, and uniformly stirring;
s3, adding a foaming agent and a vulcanization aid into the uniformly mixed rubber intermediate, and continuously stirring in an internal mixer, wherein the system temperature is controlled to be less than 70 ℃;
and S4, preparing the rubber material into a sheet with a certain thickness specification by using an extruder.
Example 2
An environment-friendly damping type sound-insulation and heat-insulation rubber pad for a vehicle is a damping pad taking butyl rubber and ethylene propylene diene monomer rubber as main bodies, and specifically comprises the following components: 20% of butyl rubber, 10% of ethylene propylene diene monomer, 30% of inorganic filler, 20% of mica powder, 15% of polyisobutylene, 1% of aluminum hydroxide, 5% of OBSH, 2% of sulfur and 0.20% of accelerator.
A preparation method of an environment-friendly damping type sound and heat insulation rubber pad for a vehicle comprises the following steps:
s1, pre-drying the inorganic filler for one night after the temperature of the inorganic filler is raised, and removing water in the inorganic filler;
s2, adding butyl rubber, ethylene propylene diene monomer, inorganic filler, mica powder, polyisobutylene and aluminum hydroxide into an internal mixer, and uniformly stirring;
s3, adding a foaming agent and a vulcanization aid into the uniformly mixed rubber intermediate, and continuously stirring in an internal mixer, wherein the system temperature is controlled to be less than 70 ℃;
and S4, preparing the rubber material into a sheet with a certain thickness specification by using an extruder.
Example 3
An environment-friendly damping type sound-insulation and heat-insulation rubber pad for a vehicle is a damping pad taking butyl rubber and ethylene propylene diene monomer rubber as main bodies, and specifically comprises the following components: 20% of butyl rubber, 10% of ethylene propylene diene monomer, 40% of inorganic filler, 15% of mica powder, 10% of polyisobutylene, 1% of aluminum hydroxide, 5% of OBSH, 2% of sulfur and 0.20% of accelerator.
A preparation method of an environment-friendly damping type sound and heat insulation rubber pad for a vehicle comprises the following steps:
s1, pre-drying the inorganic filler for one night after the temperature of the inorganic filler is raised, and removing water in the inorganic filler;
s2, adding butyl rubber, ethylene propylene diene monomer, inorganic filler, mica powder, polyisobutylene and aluminum hydroxide into an internal mixer, and uniformly stirring;
s3, adding a foaming agent and a vulcanization aid into the uniformly mixed rubber intermediate, and continuously stirring in an internal mixer, wherein the system temperature is controlled to be less than 70 ℃;
and S4, preparing the rubber material into a sheet with a certain thickness specification by using an extruder.
Example 4
An environment-friendly damping type sound-insulation and heat-insulation rubber pad for a vehicle is a damping pad taking butyl rubber and ethylene propylene diene monomer rubber as main bodies, and specifically comprises the following components: 20% of butyl rubber, 10% of ethylene propylene diene monomer, 35% of inorganic filler, 20% of mica powder, 10% of polyisobutylene, 1% of aluminum hydroxide, 1% of OBSH, 2% of sulfur and 0.20% of accelerator.
A preparation method of an environment-friendly damping type sound and heat insulation rubber pad for a vehicle comprises the following steps:
s1, pre-drying the inorganic filler for one night after the temperature of the inorganic filler is raised, and removing water in the inorganic filler;
s2, adding butyl rubber, ethylene propylene diene monomer, inorganic filler, mica powder, polyisobutylene and aluminum hydroxide into an internal mixer, and uniformly stirring;
s3, adding a foaming agent and a vulcanization aid into the uniformly mixed rubber intermediate, and continuously stirring in an internal mixer, wherein the system temperature is controlled to be less than 70 ℃;
and S4, preparing the rubber material into a sheet with a certain thickness specification by using an extruder.
Example 5
An environment-friendly damping type sound-insulation and heat-insulation rubber pad for a vehicle is a damping pad taking butyl rubber and ethylene propylene diene monomer rubber as main bodies, and specifically comprises the following components: 20% of butyl rubber, 10% of ethylene propylene diene monomer, 40% of inorganic filler, 15% of mica powder, 10% of polyisobutylene, 1% of aluminum hydroxide, 5% of OBSH, 2% of sulfur and 0.20% of accelerator.
A preparation method of an environment-friendly damping type sound and heat insulation rubber pad for a vehicle comprises the following steps:
s1, pre-drying the inorganic filler for one night after the temperature of the inorganic filler is raised, and removing water in the inorganic filler;
s2, adding butyl rubber, ethylene propylene diene monomer, inorganic filler, mica powder, polyisobutylene and aluminum hydroxide into an internal mixer, and uniformly stirring;
s3, adding a foaming agent and a vulcanization aid into the uniformly mixed rubber intermediate, and continuously stirring in an internal mixer, wherein the system temperature is controlled to be less than 70 ℃;
and S4, preparing the rubber material into a sheet with a certain thickness specification by using an extruder.
Example 6
An environment-friendly damping type sound-insulation and heat-insulation rubber pad for a vehicle is a damping pad taking butyl rubber and ethylene propylene diene monomer rubber as main bodies, and specifically comprises the following components: 10% of butyl rubber, 10% of ethylene propylene diene monomer, 50% of inorganic filler, 15% of mica powder, 10% of polyisobutylene, 1% of aluminum hydroxide, 1% of OBSH, 2% of sulfur and 0.20% of accelerator.
A preparation method of an environment-friendly damping type sound and heat insulation rubber pad for a vehicle comprises the following steps:
s1, pre-drying the inorganic filler for one night after the temperature of the inorganic filler is raised, and removing water in the inorganic filler;
s2, adding butyl rubber, ethylene propylene diene monomer, inorganic filler, mica powder, polyisobutylene and aluminum hydroxide into an internal mixer, and uniformly stirring;
s3, adding a foaming agent and a vulcanization aid into the uniformly mixed rubber intermediate, and continuously stirring in an internal mixer, wherein the system temperature is controlled to be less than 70 ℃;
and S4, preparing the rubber material into a sheet with a certain thickness specification by using an extruder.
The damping factors of the environment-friendly damping type sound and heat insulation rubber pad prepared according to the above examples 1-6 are as follows:
TABLE 1
The proportioning in the embodiment 1 is most scientific according to the data in the table 1, and the best environment-friendly damping type sound-insulation heat-insulation rubber pad product is prepared.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an automobile-used environmental protection damping type sound insulation and heat insulation rubber pad which characterized in that: the damping pad taking butyl rubber and ethylene propylene diene monomer rubber as main bodies comprises the following components:
20 percent of butyl rubber,
10 percent of ethylene propylene diene monomer,
25% of inorganic filler,
20 percent of mica powder,
20% of polyisobutylene,
1% of aluminum hydroxide,
5％OBSH、
2 percent of sulfur,
0.20% of accelerator.
2. A preparation method of an environment-friendly damping type sound and heat insulation rubber pad for a vehicle is characterized by comprising the following steps: is prepared by the following steps:
s1, pre-drying the inorganic filler for one night after the temperature of the inorganic filler is raised, and removing water in the inorganic filler;
s2, adding butyl rubber, ethylene propylene diene monomer, inorganic filler, mica powder, polyisobutylene and aluminum hydroxide into an internal mixer, and uniformly stirring;
s3, adding a foaming agent and a vulcanization aid into the uniformly mixed rubber intermediate, and continuously stirring in an internal mixer, wherein the system temperature is controlled to be less than 70 ℃;
and S4, preparing the rubber material into a sheet with a certain thickness specification by using an extruder.
3. The vehicular environment-friendly damping type sound and heat insulating rubber pad as claimed in claim 1, wherein: the compounding ratio of the ethylene propylene diene monomer, the mica powder and the polyisobutylene is 2:1 and 2: 2.
4. The vehicular environment-friendly damping type sound and heat insulating rubber pad as claimed in claim 2, and the preparation method thereof are characterized in that: the temperature of the inorganic filler is required to be more than 80 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075900.2A CN112759849A (en) | 2021-01-20 | 2021-01-20 | Environment-friendly damping type sound-insulation heat-insulation rubber pad for vehicle and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110075900.2A CN112759849A (en) | 2021-01-20 | 2021-01-20 | Environment-friendly damping type sound-insulation heat-insulation rubber pad for vehicle and preparation method thereof |
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| CN112759849A true CN112759849A (en) | 2021-05-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603950A (en) * | 2021-06-23 | 2021-11-05 | 天津辰弘新材料科技有限公司 | Damping type high-rate rubber expansion rubber sheet for vehicle and preparation method thereof |
| CN115340730A (en) * | 2022-08-30 | 2022-11-15 | 海程新材料(芜湖)有限公司 | Environment-friendly damping composite material and preparation method thereof |
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| CN107446248A (en) * | 2017-10-10 | 2017-12-08 | 四川大学 | A kind of self-adhesion flame retardant type butyl rubber series damping material and preparation method thereof |
| CN110903561A (en) * | 2019-12-16 | 2020-03-24 | 芜湖海程橡塑有限公司 | Flame-retardant sound-insulation noise-reduction rubber pad for vehicle and preparation method thereof |
| CN111748158A (en) * | 2020-07-14 | 2020-10-09 | 海程新材料(芜湖)有限公司 | Spot-welding sealing foaming rubber pad for vehicle |
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2021
- 2021-01-20 CN CN202110075900.2A patent/CN112759849A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446248A (en) * | 2017-10-10 | 2017-12-08 | 四川大学 | A kind of self-adhesion flame retardant type butyl rubber series damping material and preparation method thereof |
| CN110903561A (en) * | 2019-12-16 | 2020-03-24 | 芜湖海程橡塑有限公司 | Flame-retardant sound-insulation noise-reduction rubber pad for vehicle and preparation method thereof |
| CN111748158A (en) * | 2020-07-14 | 2020-10-09 | 海程新材料(芜湖)有限公司 | Spot-welding sealing foaming rubber pad for vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603950A (en) * | 2021-06-23 | 2021-11-05 | 天津辰弘新材料科技有限公司 | Damping type high-rate rubber expansion rubber sheet for vehicle and preparation method thereof |
| CN115340730A (en) * | 2022-08-30 | 2022-11-15 | 海程新材料(芜湖)有限公司 | Environment-friendly damping composite material and preparation method thereof |
| CN115340730B (en) * | 2022-08-30 | 2024-01-30 | 海程新材料(芜湖)有限公司 | Environment-friendly damping composite material and preparation method thereof |
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Application publication date: 20210507 |