CN104194338B - A kind of environment-friendly rubber deadener and preparation method thereof - Google Patents
A kind of environment-friendly rubber deadener and preparation method thereof Download PDFInfo
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- CN104194338B CN104194338B CN201410410917.9A CN201410410917A CN104194338B CN 104194338 B CN104194338 B CN 104194338B CN 201410410917 A CN201410410917 A CN 201410410917A CN 104194338 B CN104194338 B CN 104194338B
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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
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- 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 field of functional materials, be specifically related to a kind of environment-friendly rubber deadener and preparation method thereof, in this material, the percentage by weight of each composition is: dibenzoyl peroxide 1 3%, silicon oxide 1 3%, reuse epoxy resin 5 15%, composite rare-earth oxide 5 15%, remaining silicone rubber；In present invention preparation, a large amount of use your material dilute, taken cost of material reduces, and uses waste material to do raw material, and this material preparation process is easy, and process is simple.The material that the present invention prepares can effectively absorb energy, can apply to transport, building, the field such as military, have shockproof, relax impact, thermal insulation, sound insulation etc. and act on, particularly suitable do car damping fin.
Description
Technical field
The invention belongs to field of functional materials, be specifically related to a kind of environment-friendly rubber deadener and preparation method thereof.
Background technology
CN201310244786.7 provides automobile light asphalt damp film and preparation method, described damp film be by
Asphalt, SBS, warm-mixed asphalt modifying agent, aromatic naphtha, lightweight heat-proof sound-absorbing material and inorganic filler are blended and prepare, 10# Colophonium
Resin 180-200 part, 30# asphaltic resin 0-20 part, 5 parts of SBS elastomer, warm-mixed asphalt modifying agent 5-7 part, aromatic naphtha 90-100
Part, attapulgite 90 parts, hollow glass micropearl 10 parts, dry powder 60-80 part, precipitated calcium carbonate 90-100 part.It is applicable to automobile
Body bottom position, has lightweight, damping and good heat insulation sound absorbent performance advantage.Damped coefficient reaches 0.14-0.23 sound insulation
Property 25-25.5(2000Hz99.9dB sound source), thermal insulation 29-35 degree, shear strength 0.69-0.75kPa.This material exists not
Being that sound insulation value is relatively low in place of foot, additionally use Colophonium and be unfavorable for the environmental conservation of car inner, spent material is many simultaneously, technique
Loaded down with trivial details.
Summary of the invention
The purpose of the present invention is aiming at above-mentioned technological deficiency, it is provided that a kind of environment-friendly rubber deadener, have high every
Sound.
It is a further object of the present invention to provide a kind of environment-friendly rubber deadener preparation method, this preparation method technique letter
Single, production cost is low, is suitable to industrialized production.
Technical solution of the present invention is as follows:
A kind of environment-friendly rubber deadener, in this material, the percentage by weight of each composition is: dibenzoyl peroxide 1-3%,
Silicon oxide 1-3%, reuse epoxy resin 5-15%, composite rare-earth oxide 5-15%, remaining silicone rubber；
In described composite rare-earth oxide, the percentage by weight of each composition is: Dineodymium trioxide 10-15%, aluminium oxide 30-40%, its
Remaining is silicon oxide；Described reuse epoxy resin is the epoxy resin of solidification.
Described Dineodymium trioxide, aluminium oxide and silicon oxide are powder body, and particle diameter is 200-250 micron.
Described reuse epoxy resin is powder body, and particle diameter is 150-200 micron.
The preparation method of described environment-friendly rubber deadener, the method comprises the following steps:
1) preparation of composite rare-earth oxide: take Dineodymium trioxide, aluminium oxide and silica powder mixing all by above-mentioned weight ratio
Even, to put into afterwards in mould and be compacted into a diameter of 10-15mm, the cylinder of a height of 15-20mm, compaction pressure is 0.15-
0.2MPa；Being put into by cylinder afterwards in sintering furnace and sinter, sintering temperature is 1150-1180 DEG C, and the sintered heat insulating time is that 1-2 is little
Time；Cylinder is put into rapidly after having sintered the liquid nitrogen upper space in the liquid nitrogen bath of-120 ~-150 DEG C, and cylinder is the most broken
The granule of chemical conversion 1-5mm, then takes out by particle heat-insulating and grinds after 10-20 minute and obtain composite rare-earth oxide powder body, grain
Footpath is 150-200 micron；
2) preparation of composite mixture: take composite rare-earth oxide powder body, reuse epoxy resin by above-mentioned weight ratio
Powder body, silicon oxide and silicone rubber fully integrate mixing, and melting temperature is 70-85 DEG C, are combined after mixing 15-20 minute
Material mixing body；
3) environment-friendly rubber deadener is prepared: composite mixture is placed in the indirect heater of 100-110 DEG C guarantor
Temperature carries out presulfurization in 10-15 minute；Diphenyl peroxide is added by above-mentioned weight ratio again in the composite mixture of presulfurization
Put in mould after formyl fully kneading, mould is put in indirect heater, furnace temperature is adjusted at 125-135 DEG C of sulfuration
It is removed from the molds after managing 25-35 minute, i.e. obtains environment-friendly rubber deadener.
Beneficial effects of the present invention:
Dibenzoyl peroxide of the present invention plays sulfurization, and the epoxy-resin systems after solidification has excellent mechanical property
Can, it is a kind of superior isolation material with high dielectric property, resistance to surface leakage, resistance to electric arc, generally, the epoxy resin after solidification
System has excellent alkali resistance, acid resistance and a solvent resistance, in addition epoxy-resin systems have prominent dimensional stability and
Durability, the resistance to most of mycetes of epoxy-resin systems simultaneously solidified, can use under harsh hot conditions, therefore reuse
Epoxy resin, except the filler as rubber, plays invigoration effect.Composite rare-earth oxide containing Dineodymium trioxide, aluminium oxide, silicon oxide,
These inorganic material constitute composite rare-earth oxide odorless, tasteless, matter is extremely hard, the easy moisture absorption and notDeliquescence, it is preferable rubber
Reinforcing material, composite rare-earth oxide experience is sintered to the process of rapid cooling, forms loose porous material, therefore compound rare-earth oxidation
Thing and epoxy resin cause more boundary, can effectively absorb and scattered sound waves, have facilitation for decay vibration.Silicon
Rubber forms matrix.
In present invention preparation, a large amount of use your material dilute, taken cost of material reduces, and uses waste material to do raw material, should
Material preparation process is easy, and process is simple.The material that the present invention prepares can effectively absorb energy, can apply to transport,
Building, the field such as military, have shockproof, relax impact, thermal insulation, sound insulation etc. and act on, particularly suitable do car damping fin.
Accompanying drawing explanation
Fig. 1 is the organization charts of the environment-friendly rubber deadener of the embodiment of the present invention one preparation.
As seen from the figure, even tissue is fine and close.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described: the weight hundred of each composition in described composite rare-earth oxide
Proportion by subtraction is: Dineodymium trioxide 10-15%, aluminium oxide 30-40%, and remaining is silicon oxide；Described Dineodymium trioxide, aluminium oxide and silicon oxide are powder
Body, particle diameter is 200-250 micron；Described reuse epoxy resin is powder body, and particle diameter is 150-200 micron；Reuse epoxy resin is
The epoxy resin of solidification.
Embodiment one:
Environment-friendly rubber deadener of the present invention, its preparation method is as follows:
(1) preparation of composite rare-earth oxide
Take Dineodymium trioxide, aluminium oxide and silica powder mix homogeneously, put into afterwards in mould and be compacted into a diameter of 10mm, height
For the cylinder of 15mm, compaction pressure is 0.15-0.2MPa；Being put into by cylinder afterwards in sintering furnace and sinter, sintering temperature is
1150 DEG C, the sintered heat insulating time is 1 hour；Rapidly cylinder is put into after having sintered on the liquid nitrogen in the liquid nitrogen bath of-120 DEG C
Space, portion, cylinder is broken into the granule of 1-5mm automatically, then particle heat-insulating is taken out and grinds after 10 minutes obtain compound dilute
Soil oxide powder, particle diameter is 150-200 micron；
(2) preparation of composite mixture
Take composite rare-earth oxide 5%, reuse epoxy resin 5%, silicon oxide 1% and silicone rubber and fully integrate mixing, mixed
Refining temperature is 70 DEG C, obtains composite mixture after mixing 15 minutes；
(3) environment-friendly rubber deadener is prepared
Composite mixture is placed in the indirect heater of 100 DEG C insulation and within 10 minutes, carries out presulfurization；Again to pre-sulfur
By adding dibenzoyl peroxide 1% and fully integrating in the composite mixture changed, then put it in mould, by mould
Put in indirect heater, furnace temperature is adjusted to 125 DEG C of vulcanizing treatment be removed from the molds after 25 minutes i.e. obtain environment-friendly rubber every
Sound material.
Embodiment two:
Environment-friendly rubber deadener of the present invention, its preparation method is as follows:
(1) preparation of composite rare-earth oxide
Take Dineodymium trioxide, aluminium oxide and silica powder mix homogeneously, put into afterwards in mould and be compacted into a diameter of 13mm, height
For the cylinder of 17mm, compaction pressure is 0.15-0.2MPa；Being put into by cylinder afterwards in sintering furnace and sinter, sintering temperature is
1170 DEG C, the sintered heat insulating time is 1.5 hours；Rapidly cylinder is put into after having sintered the liquid nitrogen in the liquid nitrogen bath of-140 DEG C
Upper space, cylinder is broken into the granule of 1-5mm automatically, then particle heat-insulating is taken out and is ground after 15 minutes and is combined
RE oxide powder, particle diameter is 150-200 micron；
(2) preparation of composite mixture
Take composite rare-earth oxide 10%, reuse epoxy resin 10%, silicon oxide 2% and silicone rubber and fully integrate mixing,
Melting temperature is 80 DEG C, obtains composite mixture after mixing 17 minutes；
(3) environment-friendly rubber deadener is prepared
Composite mixture is placed in the indirect heater of 105 DEG C insulation and within 13 minutes, carries out presulfurization；Again to pre-sulfur
By adding dibenzoyl peroxide 2% and fully integrating in the composite mixture changed, then put it in mould, by mould
Put in indirect heater, furnace temperature is adjusted to 130 DEG C of vulcanizing treatment be removed from the molds after 30 minutes i.e. obtain environment-friendly rubber every
Sound material.
Embodiment three:
Environment-friendly rubber deadener of the present invention, its preparation method is as follows:
(1) preparation of composite rare-earth oxide
Take Dineodymium trioxide, aluminium oxide and silica powder mix homogeneously, put into afterwards in mould and be compacted into a diameter of 15mm, height
For the cylinder of 20mm, compaction pressure is 0.15-0.2MPa；Being put into by cylinder afterwards in sintering furnace and sinter, sintering temperature is
1180 DEG C, the sintered heat insulating time is 2 hours；Rapidly cylinder is put into after having sintered on the liquid nitrogen in the liquid nitrogen bath of-150 DEG C
Space, portion, cylinder is broken into the granule of 1-5mm automatically, then particle heat-insulating is taken out and grinds after 20 minutes obtain compound dilute
Soil oxide powder, particle diameter is 150-200 micron；
(2) preparation of composite mixture
Take composite rare-earth oxide 15%, reuse epoxy resin 15%, silicon oxide 3% and silicone rubber and fully integrate mixing,
Melting temperature is 85 DEG C, obtains composite mixture after mixing 20 minutes；
(3) environment-friendly rubber deadener is prepared
Composite mixture is placed in the indirect heater of 110 DEG C insulation and within 15 minutes, carries out presulfurization；Again to pre-sulfur
By adding dibenzoyl peroxide 3% and fully integrating in the composite mixture changed, then put it in mould, by mould
Put in indirect heater, furnace temperature is adjusted to 135 DEG C of vulcanizing treatment be removed from the molds after 35 minutes i.e. obtain environment-friendly rubber every
Sound material.
Embodiment four: (in step (2) and (3), proportioning components is not in the range of design proportion of the present invention)
Environment-friendly rubber deadener of the present invention, its preparation method is as follows:
Step (1) is with the step (1) in embodiment three.
(2) preparation of composite mixture
Take composite rare-earth oxide 3%, reuse epoxy resin 3%, silicon oxide 0.5% and silicone rubber and fully integrate mixing,
Melting temperature is 60 DEG C, obtains composite mixture after mixing 10 minutes；
(3) environment-friendly rubber deadener is prepared
Composite mixture is placed in the indirect heater of 80 DEG C insulation and within 5 minutes, carries out presulfurization；Again to presulfurization
Composite mixture in by adding dibenzoyl peroxide 0.5% fully integrating, then put it in mould, by mould
Put in indirect heater, furnace temperature is adjusted to 110 DEG C of vulcanizing treatment be removed from the molds after 20 minutes i.e. obtain environment-friendly rubber every
Sound material.
Embodiment five: (in step (2) and (3), proportioning components is not in the range of design proportion of the present invention)
Environment-friendly rubber deadener of the present invention, its preparation method is as follows:
Step (1) is with the step (1) in embodiment three.
(2) preparation of composite mixture
Take composite rare-earth oxide 20%, reuse epoxy resin 20%, silicon oxide 5% and silicone rubber and fully integrate mixing,
Melting temperature is 95 DEG C, obtains composite mixture after mixing 25 minutes；
(3) environment-friendly rubber deadener is prepared
Composite mixture is placed in the indirect heater of 120 DEG C insulation and within 20 minutes, carries out presulfurization；Again to pre-sulfur
By adding dibenzoyl peroxide 5% and fully integrating in the composite mixture changed, then put it in mould, by mould
Put in indirect heater, furnace temperature is adjusted to 150 DEG C of vulcanizing treatment be removed from the molds after 40 minutes i.e. obtain environment-friendly rubber every
Sound material.
Table one
As can be seen from the above table, embodiment one to three, composition proportion is in the range of the design proportion of the present invention, compared to right
Ratio material and embodiment four and five, sound-proofing and the shear strength of the material prepared are significantly higher.Environment-friendly rubber of the present invention
Deadener is made up of dibenzoyl peroxide, reuse epoxy resin, composite rare-earth oxide, silicon oxide, silicone rubber.Silicone rubber
For matrix, 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,
The intensity of material also can reduce.
Claims (4)
1. a preparation method for environment-friendly rubber deadener, is characterized in that: in this material, the percentage by weight of each composition is: mistake
Oxidation dibenzoyl 1-3%, silicon oxide 1-3%, reuse epoxy resin 5-15%, composite rare-earth oxide 5-15%, remaining silicone rubber；
In described composite rare-earth oxide, the percentage by weight of each composition is: Dineodymium trioxide 10-15%, aluminium oxide 30-40%, and remaining is oxidation
Silicon；Described reuse epoxy resin is the epoxy resin of solidification；The method comprises the following steps:
1) preparation of composite rare-earth oxide: take Dineodymium trioxide, aluminium oxide and silica powder mix homogeneously by above-mentioned weight ratio, it
After put into mould be compacted into a diameter of 10-15mm, the cylinder of a height of 15-20mm, compaction pressure is 0.15-0.2MPa；It
After cylinder put in sintering furnace and sinters, sintering temperature is 1150-1180 DEG C, and the sintered heat insulating time is 1-2 hour；Sinter
Cylinder is put into rapidly after one-tenth the liquid nitrogen upper space in the liquid nitrogen bath of-120 ~-150 DEG C, and cylinder is broken into 1-5mm automatically
Granule, then particle heat-insulating is taken out and grinds after 10-20 minute and obtain composite rare-earth oxide powder body, particle diameter is 150-
200 microns；
2) preparation of composite mixture: by above-mentioned weight ratio take composite rare-earth oxide powder body, reuse epoxy resin powder body,
Silicon oxide and silicone rubber fully integrate mixing, and melting temperature is 70-85 DEG C, obtain composite after mixing 15-20 minute
Mixture；
3) environment-friendly rubber deadener is prepared: composite mixture is placed in the indirect heater of 100-110 DEG C insulation 10-
Within 15 minutes, carry out presulfurization；Dibenzoyl peroxide is added also by above-mentioned weight ratio again in the composite mixture of presulfurization
Fully put in mould after kneading, mould is put in indirect heater, furnace temperature is adjusted to 125-135 DEG C of vulcanizing treatment 25-
It is removed from the molds after 35 minutes, i.e. obtains environment-friendly rubber deadener.
The preparation method of environment-friendly rubber deadener the most according to claim 1, is characterized in that: described Dineodymium trioxide, oxidation
Aluminum and silicon oxide are powder body, and particle diameter is 200-250 micron.
The preparation method of environment-friendly rubber deadener the most according to claim 1, is characterized in that: described reuse epoxy resin
For powder body, particle diameter is 150-200 micron.
4. the environment-friendly rubber deadener that the arbitrary described preparation method of claim 1-3 prepares.
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| CN105175912B (en) * | 2015-10-21 | 2016-10-26 | 南阳理工学院 | One conservatory of music music hall detachable sound-insulating structure and manufacture method |
| 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 |
| 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 |
| 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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| 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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| 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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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 |