CN104194338A - Environment-friendly rubber sound-insulation material and preparation method thereof - Google Patents
Environment-friendly rubber sound-insulation material and preparation method thereof Download PDFInfo
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- CN104194338A CN104194338A CN201410410917.9A CN201410410917A CN104194338A CN 104194338 A CN104194338 A CN 104194338A CN 201410410917 A CN201410410917 A CN 201410410917A CN 104194338 A CN104194338 A CN 104194338A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention belongs to the field of functional materials, and particularly relates to an environment-friendly rubber sound-insulation material and a preparation method thereof. The material comprises the following components in percentage by weight: 1-3% of dibenzoyl peroxide, 1-3% of silicon oxide, 5-15% of recovered epoxy resin, 5-15% of composite rare-earth oxide and the balance of silicon rubber. No abundant rare materials are used in the preparation process, so the raw material cost is lowered; and the wastes are used as the raw materials, so the material preparation method is convenient in technique and simple in process. The prepared material can effectively absorb energies, can be used in the fields of transportations, architecture, military affairs and the like, has the functions of shock resistance, impact buffering, heat insulation, sound insulation and the like, and is especially suitable to be used as a saloon car damping fin.
Description
Technical field
The invention belongs to field of functional materials, be specifically related to a kind of environment-friendly rubber sound-proof material and preparation method thereof.
Background technology
cN201310244786.7 provides light asphalt damp film and preparation method for automobile, described damp film is to be made by petroleum pitch, SBS, warm-mixed asphalt properties-correcting agent, aromatic hydrocarbon oil, lightweight heat-proof sound absorbent material and mineral filler blend, 10# bituminous resins 180-200 part, 30# bituminous resins 0-20 part, 5 parts, SBS elastomerics, warm-mixed asphalt properties-correcting agent 5-7 part, aromatic hydrocarbon oil 90-100 part, 90 parts of attapulgites, 10 parts of hollow glass micropearls, dry powder 60-80 part, light calcium carbonate 90-100 part.Be applicable to bottom of automobile body position, there is lightweight, damping and good heat insulation sound absorbent performance advantage.Ratio of damping reaches 0.14-0.23 sound-proofing 25-25.5(2000Hz99.9dB sound source), thermal insulation 29-35 degree, shearing resistance 0.69-0.75kPa.The weak point that this material exists is that sound-proofing properties is lower, uses in addition pitch to be unfavorable for the environment protection of car inner, and spent material is many simultaneously, and technique is loaded down with trivial details.
Summary of the invention
Object of the present invention is exactly for above-mentioned technological deficiency, and a kind of environment-friendly rubber sound-proof material is provided, and has high sound-proofing.
Another object of the present invention is to provide a kind of environment-friendly rubber sound-proof material preparation method, and this preparation method's technique is simple, and production cost is low, is suitable for suitability for industrialized production.
Technical solution of the present invention is as follows:
An environment-friendly rubber sound-proof material, in this material, the weight percent of each composition is: dibenzoyl peroxide 1-3%, silicon oxide 1-3%, reuse epoxy resin 5-15%, composite rare-earth oxide 5-15%, all the other silicon rubber;
In described composite rare-earth oxide, the weight percent of each composition is: Neodymium trioxide 10-15%, and aluminum oxide 30-40%, all the other are silicon oxide; Described reuse epoxy resin is curing epoxy resin.
Described Neodymium trioxide, aluminum oxide and silicon oxide are powder, and particle diameter is 200-250 micron.
Described reuse epoxy resin is powder, and particle diameter is 150-200 micron.
The preparation method of described environment-friendly rubber sound-proof material, the method comprises the following steps:
1) preparation of composite rare-earth oxide: get Neodymium trioxide, aluminum oxide and silica powder by above-mentioned weight ratio and mix, putting into afterwards mould, to be compacted into diameter be that 10-15mm, height are the right cylinder of 15-20mm, and compaction pressure is 0.15-0.2MPa; Afterwards right cylinder is put into sintering oven sintering, sintering temperature is 1150-1180 ℃, and the sintered heat insulating time is 1-2 hour; After completing, rapidly right cylinder is put into sintering to the liquid nitrogen upper space of the liquid nitrogen bath of-120 ~-150 ℃, right cylinder is broken into the particle of 1-5mm automatically, then by taking out and grind after particle heat-insulating 10-20 minute, obtain composite rare-earth oxide powder, particle diameter is 150-200 micron;
2) preparation of matrix material mixture: get composite rare-earth oxide powder, reuse epoxy resin powder, silicon oxide and silicon rubber by above-mentioned weight ratio and carry out fully integrating mixing, melting temperature is 70-85 ℃, after mixing 15-20 minute, obtains matrix material mixture;
3) prepare environment-friendly rubber sound-proof material: matrix material mixture is placed in to the indirect heater of 100-110 ℃ and is incubated 10-15 minute and carries out prevulcanized; In the matrix material mixture of prevulcanized, by above-mentioned weight ratio, add dibenzoyl peroxide and fully after kneading, put into mould again, mould is put into indirect heater, after furnace temperature is adjusted to 125-135 ℃ of sulfidizing 25-35 minute, from mould, take out, obtain environment-friendly rubber sound-proof material.
beneficial effect of the present invention:
Dibenzoyl peroxide of the present invention plays sulfuration, epoxy-resin systems after solidifying has good mechanical property, it is a kind of superior isolation material with high dielectric property, resistance to surface leakage, resistance to electric arc, conventionally, epoxy-resin systems after solidifying has good alkali resistance, acid resistance and solvent resistance, in addition epoxy-resin systems has outstanding dimensional stability and weather resistance, resistance to most of moulds of curing epoxy-resin systems simultaneously, can under harsh tropicalization, use, therefore reuse epoxy resin, except the filler as rubber, plays strengthening effect.Composite rare-earth oxide contain Neodymium trioxide, aluminum oxide, silicon oxide, the composite rare-earth oxide odorless that these inorganic materials form, tasteless, matter is extremely hard, easily the moisture absorption and not
deliquescence, be desirable rubber reinforcement material, composite rare-earth oxide experience is sintered to the processing of rapid cooling, form loose porous material, therefore composite rare-earth oxide and epoxy resin cause more phase interface, can effectively absorb and scattered sound waves, for damped vibration, have promoter action.Silicon rubber forms matrix.
In the present invention's preparation, do not use in a large number rare your material, institute's raw materials cost of getting reduces, and adopts waste material to do raw material, and this material preparation process is easy, and process is simple.The material that the present invention makes can absorb energy effectively, can be applied to transportation, building, the field such as military, have shockproof, relax the effects such as impact, thermal insulation, sound insulation, particularly suitable is done car damping fin.
Accompanying drawing explanation
Fig. 1 is the organization chart of the environment-friendly rubber sound-proof material of the embodiment of the present invention one preparation.
As seen from the figure, homogeneous microstructure is fine and close.
Embodiment
Below in conjunction with embodiment, the invention will be further described: in described composite rare-earth oxide, the weight percent of each composition is: Neodymium trioxide 10-15%, and aluminum oxide 30-40%, all the other are silicon oxide; Described Neodymium trioxide, aluminum oxide and silicon oxide are powder, and particle diameter is 200-250 micron; Described reuse epoxy resin is powder, and particle diameter is 150-200 micron; Reuse epoxy resin is curing epoxy resin.
embodiment mono-:
Environment-friendly rubber sound-proof material of the present invention, its preparation method is as follows:
(1) preparation of composite rare-earth oxide
Get Neodymium trioxide, aluminum oxide and silica powder and mix, putting into afterwards mould, to be compacted into diameter be that 10mm, height are the right cylinder of 15mm, and compaction pressure is 0.15-0.2MPa; Afterwards right cylinder is put into sintering oven sintering, sintering temperature is 1150 ℃, and the sintered heat insulating time is 1 hour; After sintering completes, rapidly right cylinder is put into the liquid nitrogen upper space of the liquid nitrogen bath of-120 ℃, right cylinder is broken into the particle of 1-5mm automatically, then particle heat-insulating is taken out and ground after 10 minutes to obtain composite rare-earth oxide powder, and particle diameter is 150-200 micron;
(2) preparation of matrix material mixture
Getting composite rare-earth oxide 5%, reuse epoxy resin 5%, silicon oxide 1% and silicon rubber, to carry out fully kneading mixing, and melting temperature is 70 ℃, after mixing 15 minutes, obtains matrix material mixture;
(3) prepare environment-friendly rubber sound-proof material
Matrix material mixture is placed in to the indirect heater of 100 ℃ to be incubated 10 minutes and to carry out prevulcanized; Again in the matrix material mixture of prevulcanized by adding dibenzoyl peroxide 1% fully kneading, put it into again in mould, mould is put into indirect heater, furnace temperature is adjusted to 125 ℃ of sulfidizing and after 25 minutes, from mould, takes out and obtain environment-friendly rubber sound-proof material.
embodiment bis-:
Environment-friendly rubber sound-proof material of the present invention, its preparation method is as follows:
(1) preparation of composite rare-earth oxide
Get Neodymium trioxide, aluminum oxide and silica powder and mix, putting into afterwards mould, to be compacted into diameter be that 13mm, height are the right cylinder of 17mm, and compaction pressure is 0.15-0.2MPa; Afterwards right cylinder is put into sintering oven sintering, sintering temperature is 1170 ℃, and the sintered heat insulating time is 1.5 hours; After sintering completes, rapidly right cylinder is put into the liquid nitrogen upper space of the liquid nitrogen bath of-140 ℃, right cylinder is broken into the particle of 1-5mm automatically, then particle heat-insulating is taken out and ground after 15 minutes to obtain composite rare-earth oxide powder, and particle diameter is 150-200 micron;
(2) preparation of matrix material mixture
Getting composite rare-earth oxide 10%, reuse epoxy resin 10%, silicon oxide 2% and silicon rubber, to carry out fully kneading mixing, and melting temperature is 80 ℃, after mixing 17 minutes, obtains matrix material mixture;
(3) prepare environment-friendly rubber sound-proof material
Matrix material mixture is placed in to the indirect heater of 105 ℃ to be incubated 13 minutes and to carry out prevulcanized; Again in the matrix material mixture of prevulcanized by adding dibenzoyl peroxide 2% fully kneading, put it into again in mould, mould is put into indirect heater, furnace temperature is adjusted to 130 ℃ of sulfidizing and after 30 minutes, from mould, takes out and obtain environment-friendly rubber sound-proof material.
embodiment tri-:
Environment-friendly rubber sound-proof material of the present invention, its preparation method is as follows:
(1) preparation of composite rare-earth oxide
Get Neodymium trioxide, aluminum oxide and silica powder and mix, putting into afterwards mould, to be compacted into diameter be that 15mm, height are the right cylinder of 20mm, and compaction pressure is 0.15-0.2MPa; Afterwards right cylinder is put into sintering oven sintering, sintering temperature is 1180 ℃, and the sintered heat insulating time is 2 hours; After sintering completes, rapidly right cylinder is put into the liquid nitrogen upper space of the liquid nitrogen bath of-150 ℃, right cylinder is broken into the particle of 1-5mm automatically, then particle heat-insulating is taken out and ground after 20 minutes to obtain composite rare-earth oxide powder, and particle diameter is 150-200 micron;
(2) preparation of matrix material mixture
Getting composite rare-earth oxide 15%, reuse epoxy resin 15%, silicon oxide 3% and silicon rubber, to carry out fully kneading mixing, and melting temperature is 85 ℃, after mixing 20 minutes, obtains matrix material mixture;
(3) prepare environment-friendly rubber sound-proof material
Matrix material mixture is placed in to the indirect heater of 110 ℃ to be incubated 15 minutes and to carry out prevulcanized; Again in the matrix material mixture of prevulcanized by adding dibenzoyl peroxide 3% fully kneading, put it into again in mould, mould is put into indirect heater, furnace temperature is adjusted to 135 ℃ of sulfidizing and after 35 minutes, from mould, takes out and obtain environment-friendly rubber sound-proof material.
embodiment tetra-: (in step (2) and (3), proportioning components is not within the scope of design proportion of the present invention)
Environment-friendly rubber sound-proof material of the present invention, its preparation method is as follows:
Step (1) is with the step in embodiment tri-(1).
(2) preparation of matrix material mixture
Getting composite rare-earth oxide 3%, reuse epoxy resin 3%, silicon oxide 0.5% and silicon rubber, to carry out fully kneading mixing, and melting temperature is 60 ℃, after mixing 10 minutes, obtains matrix material mixture;
(3) prepare environment-friendly rubber sound-proof material
Matrix material mixture is placed in to the indirect heater of 80 ℃ to be incubated 5 minutes and to carry out prevulcanized; Again in the matrix material mixture of prevulcanized by adding dibenzoyl peroxide 0.5% fully kneading, put it into again in mould, mould is put into indirect heater, furnace temperature is adjusted to 110 ℃ of sulfidizing and after 20 minutes, from mould, takes out and obtain environment-friendly rubber sound-proof material.
embodiment five: (in step (2) and (3), proportioning components is not within the scope of design proportion of the present invention)
Environment-friendly rubber sound-proof material of the present invention, its preparation method is as follows:
Step (1) is with the step in embodiment tri-(1).
(2) preparation of matrix material mixture
Getting composite rare-earth oxide 20%, reuse epoxy resin 20%, silicon oxide 5% and silicon rubber, to carry out fully kneading mixing, and melting temperature is 95 ℃, after mixing 25 minutes, obtains matrix material mixture;
(3) prepare environment-friendly rubber sound-proof material
Matrix material mixture is placed in to the indirect heater of 120 ℃ to be incubated 20 minutes and to carry out prevulcanized; Again in the matrix material mixture of prevulcanized by adding dibenzoyl peroxide 5% fully kneading, put it into again in mould, mould is put into indirect heater, furnace temperature is adjusted to 150 ℃ of sulfidizing and after 40 minutes, from mould, takes out and obtain environment-friendly rubber sound-proof material.
table one
As can be seen from the above table, embodiment mono-to three, and composition proportion is within the scope of design proportion of the present invention, and than contrast material and embodiment tetra-and five, the sound-proofing of the material of preparing and shearing resistance are obviously higher.Environment-friendly rubber sound-proof material of the present invention is comprised of dibenzoyl peroxide, reuse epoxy resin, composite rare-earth oxide, silicon oxide, silicon rubber.Silicon rubber is matrix, and it is crossed additive at most and can reduce, and the function of various additives reduces; Very little, the bonding effect of matrix reduces rubber, and the intensity of material also can reduce.
Claims (4)
1. an environment-friendly rubber sound-proof material, is characterized in that: in this material, the weight percent of each composition is: dibenzoyl peroxide 1-3%, silicon oxide 1-3%, reuse epoxy resin 5-15%, composite rare-earth oxide 5-15%, all the other silicon rubber; In described composite rare-earth oxide, the weight percent of each composition is: Neodymium trioxide 10-15%, and aluminum oxide 30-40%, all the other are silicon oxide; Described reuse epoxy resin is curing epoxy resin.
2. environment-friendly rubber sound-proof material according to claim 1, is characterized in that: described Neodymium trioxide, aluminum oxide and silicon oxide are powder, and particle diameter is 200-250 micron.
3. environment-friendly rubber sound-proof material according to claim 1, is characterized in that: described reuse epoxy resin is powder, and particle diameter is 150-200 micron.
4. the preparation method of environment-friendly rubber sound-proof material claimed in claim 1, is characterized in that: the method comprises the following steps:
1) preparation of composite rare-earth oxide: get Neodymium trioxide, aluminum oxide and silica powder by above-mentioned weight ratio and mix, putting into afterwards mould, to be compacted into diameter be that 10-15mm, height are the right cylinder of 15-20mm, and compaction pressure is 0.15-0.2MPa; Afterwards right cylinder is put into sintering oven sintering, sintering temperature is 1150-1180 ℃, and the sintered heat insulating time is 1-2 hour; After completing, rapidly right cylinder is put into sintering to the liquid nitrogen upper space of the liquid nitrogen bath of-120 ~-150 ℃, right cylinder is broken into the particle of 1-5mm automatically, then by taking out and grind after particle heat-insulating 10-20 minute, obtain composite rare-earth oxide powder, particle diameter is 150-200 micron;
2) preparation of matrix material mixture: get composite rare-earth oxide powder, reuse epoxy resin powder, silicon oxide and silicon rubber by above-mentioned weight ratio and carry out fully integrating mixing, melting temperature is 70-85 ℃, after mixing 15-20 minute, obtains matrix material mixture;
3) prepare environment-friendly rubber sound-proof material: matrix material mixture is placed in to the indirect heater of 100-110 ℃ and is incubated 10-15 minute and carries out prevulcanized; In the matrix material mixture of prevulcanized, by above-mentioned weight ratio, add dibenzoyl peroxide and fully after kneading, put into mould again, mould is put into indirect heater, after furnace temperature is adjusted to 125-135 ℃ of sulfidizing 25-35 minute, from mould, take out, obtain environment-friendly rubber sound-proof material.
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| CN201410410917.9A CN104194338B (en) | 2014-08-20 | 2014-08-20 | A kind of environment-friendly rubber deadener and preparation method thereof |
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| CN104194338B CN104194338B (en) | 2016-11-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105175912A (en) * | 2015-10-21 | 2015-12-23 | 南阳理工学院 | Detachable sound insulating structure for music hall of conservatory of music and manufacturing method |
| CN105936741A (en) * | 2015-12-22 | 2016-09-14 | 海德恩（天津）科技有限公司 | Polymer damping material and preparation method thereof |
| CN107418110A (en) * | 2017-09-08 | 2017-12-01 | 常州大学 | A kind of novel vehicle graphene environmental-protection damp material and preparation method thereof |
| CN109206048A (en) * | 2018-10-23 | 2019-01-15 | 江西恒大声学技术工程有限公司 | A kind of sound insulating material prepared using paint and paint spraying waste material |
| CN111040381A (en) * | 2019-12-20 | 2020-04-21 | 佛山科学技术学院 | Sound insulation material and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627860A (en) * | 2012-04-10 | 2012-08-08 | 邵成芬 | Flame-retardant, high-heat-conductivity, high-temperature-resistant and low-temperature-resistant addition organic silicon rubber and preparation method thereof |
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2014
- 2014-08-20 CN CN201410410917.9A patent/CN104194338B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627860A (en) * | 2012-04-10 | 2012-08-08 | 邵成芬 | Flame-retardant, high-heat-conductivity, high-temperature-resistant and low-temperature-resistant addition organic silicon rubber and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105175912A (en) * | 2015-10-21 | 2015-12-23 | 南阳理工学院 | Detachable sound insulating structure for music hall of conservatory of music and manufacturing method |
| CN105936741A (en) * | 2015-12-22 | 2016-09-14 | 海德恩（天津）科技有限公司 | Polymer damping material and preparation method thereof |
| CN105936741B (en) * | 2015-12-22 | 2019-06-28 | 海德恩（天津）科技有限公司 | Polymer damping material and preparation method thereof |
| CN107418110A (en) * | 2017-09-08 | 2017-12-01 | 常州大学 | A kind of novel vehicle graphene environmental-protection damp material and preparation method thereof |
| CN107418110B (en) * | 2017-09-08 | 2019-10-11 | 常州大学 | A kind of novel vehicle graphene environmental-protection damp material and preparation method thereof |
| CN109206048A (en) * | 2018-10-23 | 2019-01-15 | 江西恒大声学技术工程有限公司 | A kind of sound insulating material prepared using paint and paint spraying waste material |
| CN109206048B (en) * | 2018-10-23 | 2021-04-20 | 江西恒大声学技术工程有限公司 | Sound insulation material prepared by using paint spraying waste |
| CN111040381A (en) * | 2019-12-20 | 2020-04-21 | 佛山科学技术学院 | Sound insulation material and preparation method and application thereof |
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| CN104194338B (en) | 2016-11-16 |
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Effective date of registration: 20181127 Address after: 221300 Hongqi Road East, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Jin Tai Cheung inside and outside the industry limited company. Address before: Room 2310, Building 2, Wuzhong Science and Technology Pioneering Park, 70 Zhongshan East Road, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Nanjing University of Information Science and Technology |