CN107936402A - A kind of preparation method of composite strengthening acoustic material - Google Patents
A kind of preparation method of composite strengthening acoustic material Download PDFInfo
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- CN107936402A CN107936402A CN201711174075.1A CN201711174075A CN107936402A CN 107936402 A CN107936402 A CN 107936402A CN 201711174075 A CN201711174075 A CN 201711174075A CN 107936402 A CN107936402 A CN 107936402A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
The present invention provides a kind of preparation method of composite strengthening acoustic material, comprise the following steps：Step 1：Poly(p-phenylene terephthalamide) and ramee are mixed, is put into pulverizer and crushes 25 minutes, obtain mixture A；Step 2：Acetylation hydroxypropyl cellulose, epoxidized soybean oil, tributyl 2-acetylcitrate, polyvinyl chloride paste resin, dimethicone, erucyl amide, polyvinyl alcohol, zinc stearate are mixed, stirred evenly under 100 200r/min of rotating speed；Step 3：Mixture A and short glass fiber are added, is mixed evenly, pours into mould, with glass bar rolling；Step 4：Be put into drying box, bake 25 30 minutes, cool down at 170 180 DEG C of temperature to obtain the final product.The preparation method of this composite strengthening acoustic material, prepared composite strengthening acoustic material has extraordinary soundproof effect, while has preferable mechanical property.
Description
Technical field
The present invention relates to a kind of preparation method of composite strengthening acoustic material.
Background technology
As China ranks among world powers, every field all there occurs fundamental change, it is comprehensive it is vertical strive it is in line with international standards.
In terms of acoustic material similarly, a large amount of senior house and international level commercial facilitys come into being.In recent years in waterproof, interior
The problem of pollution etc., substantially increases, wherein the complaint for noise tops the list, life of the noise pollution to people has resulted in nothing
Place not puzzlement.Due to the raising of national overall consciousness and quality, the requirement prevented for noise can be higher and higher, increasingly
More individuals and mechanism start to wish to improve the living environment and working environment of oneself, thirst for making an uproar from life from changing in idea
Liberated in sound and public noise.The best means to abate the noise are exactly the acoustic material using high efficiency low cost, and to be had not dirty
Dye environment,
Characteristic without harmful substance.Therefore, development soundproof effect is good, and the good acoustic material of mechanics effect becomes each enterprise
With the important topic of researcher's research, have broad application prospects and be worth.
The content of the invention
Technical problems to be solved：The object of the present invention is to provide a kind of preparation method of composite strengthening acoustic material, institute
The composite strengthening acoustic material of preparation has extraordinary soundproof effect, while has preferable mechanical property.
Technical solution：A kind of preparation method of composite strengthening acoustic material, comprises the following steps：
Step 1：4-7g poly(p-phenylene terephthalamide) and 4-8g ramees are mixed, is put into pulverizer and crushes 2-5 points
Clock, obtains mixture A；
Step 2：By 3-5g acetylations hydroxypropyl cellulose, 4-8ml epoxidized soybean oils, 40-60ml tributyl 2-acetylcitrates,
90-100ml polyvinyl chlorides paste resin, 4-8ml dimethicones, 0.8-1.3g erucyl amides, 5-10ml polyvinyl alcohol, 0.3-
0.7g zinc stearates mix, and are stirred evenly under rotating speed 100-200r/min；
Step 3：Mixture A and 3-6g short glass fiber is added, is mixed evenly, pours into mould, with glass bar rolling；
Step 4：Be put into drying box, bake 25-30 minutes, cool down at 170-180 DEG C of temperature to obtain the final product.
It is further preferred that the viscosity of the dimethicone is 2000-5000cps.
It is further preferred that grinding time is 3-4 minutes in step 1.
It is further preferred that rotating speed is 150r/min in step 2.
It is further preferred that temperature is 175 DEG C in step 4, baking time is 27 minutes.
Beneficial effect：With the composite strengthening acoustic material prepared by the present invention, when material thickness is 10mm, its sound-absorbing system
Number maximum reachable 0.38, sound transmission loss 59.2dB, have extraordinary soundproof effect, while have preferable mechanical property, its
Impact strength is preferably also up to 40KJ/m2。
Embodiment
Embodiment 1
A kind of preparation method of composite strengthening acoustic material, comprises the following steps：
Step 1：4g poly(p-phenylene terephthalamide) and 4g ramees are mixed, is put into pulverizer and crushes 2 minutes, obtain mixed
Compound A；
Step 2：By 3g acetylations hydroxypropyl cellulose, 4ml epoxidized soybean oils, 40ml tributyl 2-acetylcitrates, 90ml polychlorostyrene
Second magma resin, 4ml dimethicones, 0.8g erucyl amides, 5ml polyvinyl alcohol, the mixing of 0.3g zinc stearates, in rotating speed
Stirred evenly under 100r/min；
Step 3：Mixture A and 3g short glass fiber is added, is mixed evenly, pours into mould, with glass bar rolling；
Step 4：Be put into drying box, bake 25 minutes, cool down at 170 DEG C of temperature to obtain the final product.
Embodiment 2
A kind of preparation method of composite strengthening acoustic material, comprises the following steps：
Step 1：5g poly(p-phenylene terephthalamide) and 5g ramees are mixed, is put into pulverizer and crushes 3 minutes, obtain mixed
Compound A；
Step 2：3.5g acetylations hydroxypropyl cellulose, 5ml epoxidized soybean oils, 45ml tributyl 2-acetylcitrates, 92ml are gathered
Chloroethene magma resin, 5ml dimethicones, 1g erucyl amides, 6ml polyvinyl alcohol, the mixing of 0.4g zinc stearates, in rotating speed
Stirred evenly under 130r/min；
Step 3：Mixture A and 4g short glass fiber is added, is mixed evenly, pours into mould, with glass bar rolling；
Step 4：Be put into drying box, bake 26 minutes, cool down at 172 DEG C of temperature to obtain the final product.
Embodiment 3
A kind of preparation method of composite strengthening acoustic material, comprises the following steps：
Step 1：5.5g poly(p-phenylene terephthalamide) and 6g ramees are mixed, is put into pulverizer and crushes 3 minutes, obtain
Mixture A；
Step 2：By 4g acetylations hydroxypropyl cellulose, 6ml epoxidized soybean oils, 50ml tributyl 2-acetylcitrates, 95ml polychlorostyrene
Second magma resin, 6ml dimethicones, 1.1g erucyl amides, 7ml polyvinyl alcohol, the mixing of 0.5g zinc stearates, in rotating speed
Stirred evenly under 150r/min；
Step 3：Mixture A and 4.5g short glass fiber is added, is mixed evenly, pours into mould, with glass bar rolling；
Step 4：Be put into drying box, bake 27 minutes, cool down at 175 DEG C of temperature to obtain the final product.
Embodiment 4
A kind of preparation method of composite strengthening acoustic material, comprises the following steps：
Step 1：6g poly(p-phenylene terephthalamide) and 7g ramees are mixed, is put into pulverizer and crushes 4 minutes, obtain mixed
Compound A；
Step 2：4.5g acetylations hydroxypropyl cellulose, 7ml epoxidized soybean oils, 55ml tributyl 2-acetylcitrates, 98ml are gathered
Chloroethene magma resin, 7ml dimethicones, 1.2g erucyl amides, 9ml polyvinyl alcohol, the mixing of 0.6g zinc stearates, in rotating speed
Stirred evenly under 180r/min；
Step 3：Mixture A and 5g short glass fiber is added, is mixed evenly, pours into mould, with glass bar rolling；
Step 4：Be put into drying box, bake 29 minutes, cool down at 178 DEG C of temperature to obtain the final product.
Embodiment 5
A kind of preparation method of composite strengthening acoustic material, comprises the following steps：
Step 1：7g poly(p-phenylene terephthalamide) and 8g ramees are mixed, is put into pulverizer and crushes 5 minutes, obtain mixed
Compound A；
Step 2：By 5g acetylations hydroxypropyl cellulose, 8ml epoxidized soybean oils, 60ml tributyl 2-acetylcitrates, 100ml polychlorostyrene
Second magma resin, 8ml dimethicones, 1.3g erucyl amides, 10ml polyvinyl alcohol, the mixing of 0.7g zinc stearates, in rotating speed
Stirred evenly under 200r/min；
Step 3：Mixture A and 6g short glass fiber is added, is mixed evenly, pours into mould, with glass bar rolling；
Step 4：Be put into drying box, bake 30 minutes, cool down at 180 DEG C of temperature to obtain the final product.
Comparative example 1
A kind of preparation method of composite strengthening acoustic material, comprises the following steps：
Step 1：4g poly(p-phenylene terephthalamide) and 4g ramees are mixed, is put into pulverizer and crushes 2 minutes, obtain mixed
Compound A；
Step 2：By 3g acetylations hydroxypropyl cellulose, 4ml epoxidized soybean oils, 40ml tributyl 2-acetylcitrates, 90ml polychlorostyrene
Second magma resin, 4ml dimethicones, 0.8g erucyl amides, 5ml polyvinyl alcohol, the mixing of 0.3g zinc stearates, in rotating speed
Stirred evenly under 100r/min；
Step 3：Mixture A is added, is mixed evenly, pours into mould, with glass bar rolling；
Step 4：Be put into drying box, bake 25 minutes, cool down at 170 DEG C of temperature to obtain the final product.
Comparative example 2
A kind of preparation method of composite strengthening acoustic material, comprises the following steps：
Step 1：4g poly(p-phenylene terephthalamide) is put into pulverizer and is crushed 2 minutes, obtains crushed material A；
Step 2：By 3g acetylations hydroxypropyl cellulose, 4ml epoxidized soybean oils, 40ml tributyl 2-acetylcitrates, 90ml polychlorostyrene
Second magma resin, 4ml dimethicones, 0.8g erucyl amides, 5ml polyvinyl alcohol, the mixing of 0.3g zinc stearates, in rotating speed
Stirred evenly under 100r/min；
Step 3：Crushed material A and 3g short glass fiber is added, is mixed evenly, pours into mould, with glass bar rolling；
Step 4：Be put into drying box, bake 25 minutes, cool down at 170 DEG C of temperature to obtain the final product.
Sound-absorption coefficient is measured using national standard GB/T 20247-2006.
Sound transmission loss is measured using national standard GB/T 19885-2005.
Impact strength is measured using national standard GB/T 1843-2008.
Each embodiment is compared with comparative example, comparing result is as shown in the table, it may be seen that when the present invention is implemented
When the material thickness of example is 10mm, its sound-absorption coefficient is maximum up to 0.38, sound transmission loss 59.2dB, has extraordinary sound insulation effect
Fruit, while there is preferable mechanical property, its impact strength is preferably also up to 40KJ/m2。
The partial properties index of 1 composite strengthening acoustic material of table
| Name of product | Average sound-absorption coefficient | Average sound transmission loss（dB） | Impact strength（KJ/m2） |
| Embodiment 1 | 0.33 | 58.6 | 35 |
| Embodiment 2 | 0.35 | 58.7 | 38 |
| Embodiment 3 | 0.38 | 58.9 | 40 |
| Embodiment 4 | 0.37 | 59.2 | 39 |
| Embodiment 5 | 0.35 | 59.0 | 36 |
| Comparative example 1 | 0.28 | 56.1 | 31 |
| Comparative example 2 | 0.29 | 55.8 | 32 |
Claims (5)
- A kind of 1. preparation method of composite strengthening acoustic material, it is characterised in that：Comprise the following steps：Step 1：4-7g poly(p-phenylene terephthalamide) and 4-8g ramees are mixed, is put into pulverizer and crushes 2-5 points Clock, obtains mixture A；Step 2：By 3-5g acetylations hydroxypropyl cellulose, 4-8ml epoxidized soybean oils, 40-60ml tributyl 2-acetylcitrates, 90-100ml polyvinyl chlorides paste resin, 4-8ml dimethicones, 0.8-1.3g erucyl amides, 5-10ml polyvinyl alcohol, 0.3- 0.7g zinc stearates mix, and are stirred evenly under rotating speed 100-200r/min；Step 3：Mixture A and 3-6g short glass fiber is added, is mixed evenly, pours into mould, with glass bar rolling；Step 4：Be put into drying box, bake 25-30 minutes, cool down at 170-180 DEG C of temperature to obtain the final product.
- A kind of 2. preparation method of composite strengthening acoustic material according to claim 1, it is characterised in that：The dimethyl The viscosity of silicone oil is 2000-5000cps.
- A kind of 3. preparation method of composite strengthening acoustic material according to claim 1, it is characterised in that：The step 1 Middle grinding time is 3-4 minutes.
- A kind of 4. preparation method of composite strengthening acoustic material according to claim 1, it is characterised in that：The step 2 Middle rotating speed is 150r/min.
- A kind of 5. preparation method of composite strengthening acoustic material according to claim 1, it is characterised in that：The step 4 Middle temperature is 175 DEG C, and baking time is 27 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174075.1A CN107936402A (en) | 2017-11-22 | 2017-11-22 | A kind of preparation method of composite strengthening acoustic material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174075.1A CN107936402A (en) | 2017-11-22 | 2017-11-22 | A kind of preparation method of composite strengthening acoustic material |
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| Publication Number | Publication Date |
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| CN107936402A true CN107936402A (en) | 2018-04-20 |
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| CN201711174075.1A Pending CN107936402A (en) | 2017-11-22 | 2017-11-22 | A kind of preparation method of composite strengthening acoustic material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103965605A (en) * | 2014-04-23 | 2014-08-06 | 安徽依采妮纤维材料科技有限公司 | Heat-proof and insulating composite sound-absorbing board material and preparation method thereof |
| CN104629217A (en) * | 2015-02-14 | 2015-05-20 | 青岛科技大学 | Sound insulating material and preparation method thereof |
| CN106633492A (en) * | 2016-11-14 | 2017-05-10 | 芜湖天鸿汽车零部件有限公司 | Automobile plastic soundproof plate and preparation method thereof |
-
2017
- 2017-11-22 CN CN201711174075.1A patent/CN107936402A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103965605A (en) * | 2014-04-23 | 2014-08-06 | 安徽依采妮纤维材料科技有限公司 | Heat-proof and insulating composite sound-absorbing board material and preparation method thereof |
| CN104629217A (en) * | 2015-02-14 | 2015-05-20 | 青岛科技大学 | Sound insulating material and preparation method thereof |
| CN106633492A (en) * | 2016-11-14 | 2017-05-10 | 芜湖天鸿汽车零部件有限公司 | Automobile plastic soundproof plate and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 何建新等: "《新型纤维材料学》", 31 July 2014, 东华大学出版社 * |
| 李广宇等: "《胶黏剂原材料手册》", 31 August 2004, 国防工业出版社 * |
| 董玉琛等: "《中国作物及其野生近缘植物 经济作物卷》", 31 March 2007, 中国农业出版社 * |
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Application publication date: 20180420 |