CN104151832A - Silicone rubber vibration damping composite material used for automobile and preparation method thereof - Google Patents
Silicone rubber vibration damping composite material used for automobile and preparation method thereof Download PDFInfo
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- CN104151832A CN104151832A CN201410411037.3A CN201410411037A CN104151832A CN 104151832 A CN104151832 A CN 104151832A CN 201410411037 A CN201410411037 A CN 201410411037A CN 104151832 A CN104151832 A CN 104151832A
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Abstract
The invention belongs to the functional material field, and more specifically relates to a silicone rubber vibration damping composite material used for automobile and a preparation method thereof, the material comprises the following composition by weight percentage: 1-3% of dibenzoyl peroxide, 1-3% of silicon oxide, 8-15% of reuse phenolic resin, 9-15% of polycarbonate magnesium slag and balance of silicone rubber. During the preparation process, no mass precious material is not required, no poisonous and harmful composition is used, a waste material is employed as the raw material, the raw material cost is reduced, the preparation technology is simple, and the process is simple. The material can effective absorb the energy, and can be used in the fields of transportation, building and military, and has the effects of shock resistance, impact mitigation, heat insulation and sound insulation.
Description
Technical field
The invention belongs to field of functional materials, be specifically related to silicon rubber vibration damping composite material and preparation method thereof for a kind of automobile.
Background technology
CN201210304542.9 relates to a kind of damping mat and production method thereof, described damping mat is made by the raw material of following weight percent: rubber 10%, petroleum resin 22%, dibutyl ester 10%, polypropylene fibre 5%, coarse whiting 38% and fiber material 15%, and wherein fiber material is made by the raw material of following weight percent: flaxen fiber 55%, polypropylene fibre 15%, PVC10% and vegetables oil 20%; Production method, comprises the following steps: go-no-go, pulverize, heat, stirring and moulding.Beneficial effect of the present invention is: the scrap stock that energy completely consumed produces because producing automotive upholstery, reduce these scrap stock because recycling the environmental pollution producing.In this damping mat production process, pollution-free, environmental protection.So not only improved utilization rate of raw materials, and product performance (ratio of damping) promote than original product ratio of damping more than 10 times; Be that original product ratio of damping is 0.08, ratio of damping of the present invention reaches 1.04, and the weak point that this material exists is that damping and amortization is lower.
Summary of the invention
Object of the present invention is exactly for above-mentioned technological deficiency, and a kind of automobile silicon rubber vibration damping composite material is provided, and has high damping and amortization;
Another object of the present invention is to provide silicon rubber vibration damping composite material preparation method for a kind of automobile, 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 automobile silicon rubber vibration damping composite material, in this material, the weight percent of each composition is: dibenzoyl peroxide 1-3%, silicon oxide 1-3%, reuse resol 8-15%, polycarbonate magnesium slag complex body 9-15%, all the other silicon rubber;
Described polycarbonate magnesium slag complex body is mixed by weight 10:3-5 by polycarbonate and magnesium slag, and wherein in magnesium slag, the weight percent of each composition is: calcium oxide 40-50%, aluminum oxide 2-5%, magnesium oxide 6-10%, ferric oxide 8-9%, remaining silicon oxide; Described reuse resol is curing resol.
The particle diameter of described reuse resol powder is 150-200 micron.
The preparation method of silicon rubber vibration damping composite material for described automobile, the method comprises the following steps:
1) preparation of magnesium slag: get the magnesium slag of above-mentioned composition, grind to form the magnesium ground-slag body of particle diameter 10-20 micron, standby;
2) preparation of polycarbonate: polycarbonate is heated to 150-160 ℃ of polycarbonate that obtains being molten state, standby;
3) prepare polycarbonate magnesium slag complex body: by weight step (1) gained magnesium ground-slag body is joined in the polycarbonate of step (2) gained molten state, and stir, then naturally cool to room temperature and obtain polycarbonate magnesium slag complex body; Then polycarbonate magnesium slag complex body is put into the liquid nitrogen upper space of-170 ~-180 ℃ of liquid nitrogen bath, then be incubated 10-15 minute, then take out fragmentation and grinding, after fragmentation and grinding, obtain polycarbonate magnesium slag complex body powder, particle diameter is 100-120 micron;
4) prepare automobile silicon rubber vibration damping composite material: by above-mentioned weight ratio, get silicon oxide, reuse resol, it is mixing that polycarbonate magnesium slag complex body powder and silicon rubber carry out fully kneading, and melting temperature is 70-85 ℃, after mixing 15-20 minute, obtains matrix material mixture; Matrix material mixture is placed in to the indirect heater of 110-120 ℃ to be incubated 10-15 minute and to carry out prevulcanized, in the matrix material mixture of prevulcanized, add the dibenzoyl peroxide of above-mentioned weight ratio fully kneading again, put it into again in mould, obtain automobile silicon rubber vibration damping composite material after furnace temperature is adjusted to 128-138 ℃ of sulfidizing 20-25 minute.
beneficial effect of the present invention:
The present invention has used the filler of reuse resol as rubber, plays strengthening effect, because the resol after solidifying has good acid resistance, mechanical property, resistance toheat.Polycarbonate magnesium slag complex body is loose porous material, and complicated rare earth oxide and epoxy resin cause more phase interface, can effectively absorb and scattered sound waves, for damped vibration, have promoter action; Polycarbonate water white transparency, heat-resisting, shock resistance has good in common use temperature
mechanical property, the impact resistance of polycarbonate is good simultaneously, has formed the bridge of rigidity magnesium slag connection flexible rubber matrix.Silicon rubber forms matrix, and dibenzoyl peroxide plays sulfuration.
In preparation process of the present invention, do not use in a large number rare your material, without poisonous and harmful component, adopt waste material to do raw material, institute's raw materials cost of getting reduces, and preparation technology is easy, process is simple, resulting materials 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.
Accompanying drawing explanation
Fig. 1 is the organization chart of silicon rubber vibration damping composite material for the automobile 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 magnesium slag, the weight percent of each composition is: calcium oxide 40-50%, aluminum oxide 2-5%, magnesium oxide 6-10%, ferric oxide 8-9%, remaining silicon oxide.The particle diameter of described reuse resol powder is 150-200 micron.
embodiment mono-:
Automobile of the present invention silicon rubber vibration damping composite material, its preparation method is as follows:
(1) preparation of magnesium slag
Get the magnesium slag of above-mentioned composition, grind to form the magnesium ground-slag body of particle diameter 10-20 micron, standby;
(2) preparation of polycarbonate
Polycarbonate is heated to 150 ℃ of polycarbonate that obtain being molten state, standby;
(3) prepare polycarbonate magnesium slag complex body
By weight 3:10, step (1) gained magnesium ground-slag body is joined in the polycarbonate of step (2) gained molten state, and stir, then naturally cool to room temperature and obtain polycarbonate magnesium slag complex body; Then polycarbonate magnesium slag complex body is put into the liquid nitrogen upper space of-170 ℃ of liquid nitrogen bath, then be incubated 10 minutes, then take out fragmentation and grinding, after fragmentation and grinding, obtain polycarbonate magnesium slag complex body powder, particle diameter is 100-120 micron;
(4) prepare automobile silicon rubber vibration damping composite material
Get silicon oxide 1%, reuse resol 8%, polycarbonate magnesium slag complex body 9%, all the other are mixing for silicon rubber carries out fully kneading, and melting temperature is 70 ℃, obtains the uniform matrix material mixture of component after mixing 15 minutes; The indirect heater that matrix material mixture is placed in to 110 ℃ keeps carrying out for 10 minutes prevulcanized, in the matrix material mixture of prevulcanized, add dibenzoyl peroxide 1% again, and fully kneading, put it into again in mould, furnace temperature is adjusted to 128 ℃ of sulfidizing and after 20 minutes, obtains automobile silicon rubber vibration damping composite material.
embodiment bis-:
Automobile of the present invention silicon rubber vibration damping composite material, its preparation method is as follows:
(1) preparation of magnesium slag
Get the magnesium slag of above-mentioned composition, grind to form the magnesium ground-slag body of particle diameter 10-20 micron, standby;
(2) preparation of polycarbonate
Polycarbonate is heated to 155 ℃ of polycarbonate that obtain being molten state, standby;
(3) prepare polycarbonate magnesium slag complex body
By weight 4:10, step (1) gained magnesium ground-slag body is joined in the polycarbonate of step (2) gained molten state, and stir, then naturally cool to room temperature and obtain polycarbonate magnesium slag complex body; Then polycarbonate magnesium slag complex body is put into the liquid nitrogen upper space of-175 ℃ of liquid nitrogen bath, then be incubated 13 minutes, then take out fragmentation and grinding, after fragmentation and grinding, obtain polycarbonate magnesium slag complex body powder, particle diameter is 100-120 micron;
(4) prepare automobile silicon rubber vibration damping composite material
Get silicon oxide 2%, reuse resol 12%, polycarbonate magnesium slag complex body 13%, all the other are mixing for silicon rubber carries out fully kneading, and melting temperature is 80 ℃, obtains the uniform matrix material mixture of component after mixing 18 minutes; The indirect heater that matrix material mixture is placed in to 115 ℃ keeps carrying out for 13 minutes prevulcanized, in the matrix material mixture of prevulcanized, add dibenzoyl peroxide 2% again, and fully kneading, put it into again in mould, furnace temperature is adjusted to 133 ℃ of sulfidizing and after 22 minutes, obtains automobile silicon rubber vibration damping composite material.
embodiment tri-:
Automobile of the present invention silicon rubber vibration damping composite material, its preparation method is as follows:
(1) preparation of magnesium slag
Get the magnesium slag of above-mentioned composition, grind to form the magnesium ground-slag body of particle diameter 10-20 micron, standby;
(2) preparation of polycarbonate
Polycarbonate is heated to 160 ℃ of polycarbonate that obtain being molten state, standby;
(3) prepare polycarbonate magnesium slag complex body
By weight 5:10, step (1) gained magnesium ground-slag body is joined in the polycarbonate of step (2) gained molten state, and stir, then naturally cool to room temperature and obtain polycarbonate magnesium slag complex body; Then polycarbonate magnesium slag complex body is put into the liquid nitrogen upper space of-180 ℃ of liquid nitrogen bath, then be incubated 15 minutes, then take out fragmentation and grinding, after fragmentation and grinding, obtain polycarbonate magnesium slag complex body powder, particle diameter is 100-120 micron;
(4) prepare automobile silicon rubber vibration damping composite material
Get silicon oxide 3%, reuse resol 15%, polycarbonate magnesium slag complex body 15%, all the other are mixing for silicon rubber carries out fully kneading, and melting temperature is 85 ℃, obtains the uniform matrix material mixture of component after mixing 20 minutes; The indirect heater that matrix material mixture is placed in to 120 ℃ keeps carrying out for 15 minutes prevulcanized, in the matrix material mixture of prevulcanized, add dibenzoyl peroxide 3% again, and fully kneading, put it into again in mould, furnace temperature is adjusted to 138 ℃ of sulfidizing and after 25 minutes, obtains automobile silicon rubber vibration damping composite material.
embodiment tetra-: (in step (4), proportioning components is not within the scope of design proportion of the present invention)
Automobile of the present invention silicon rubber vibration damping composite material, its preparation method is as follows:
Step (1)-(3) are with the step in embodiment tri-(1)-(3).
(4) prepare automobile silicon rubber vibration damping composite material
Get silicon oxide 0.5%, reuse resol 6%, polycarbonate magnesium slag complex body 7%, all the other are mixing for silicon rubber carries out fully kneading, and melting temperature is 60 ℃, obtains the uniform matrix material mixture of component after mixing 10 minutes; The indirect heater that matrix material mixture is placed in to 90 ℃ keeps carrying out for 5 minutes prevulcanized, in the matrix material mixture of prevulcanized, add dibenzoyl peroxide 0.5% again, and fully kneading, put it into again in mould, furnace temperature is adjusted to 110 ℃ of sulfidizing and after 10 minutes, obtains automobile silicon rubber vibration damping composite material.
embodiment five: (in step (4), proportioning components is not within the scope of design proportion of the present invention)
Automobile of the present invention silicon rubber vibration damping composite material, its preparation method is as follows:
Step (1)-(3) are with the step in embodiment tri-(1)-(3).
(4) prepare automobile silicon rubber vibration damping composite material
Get silicon oxide 5%, reuse resol 17%, polycarbonate magnesium slag complex body 18%, all the other are mixing for silicon rubber carries out fully kneading, and melting temperature is 100 ℃, obtains the uniform matrix material mixture of component after mixing 30 minutes; The indirect heater that matrix material mixture is placed in to 130 ℃ keeps carrying out for 20 minutes prevulcanized, in the matrix material mixture of prevulcanized, add dibenzoyl peroxide 5% again, and fully kneading, put it into again in mould, furnace temperature is adjusted to 150 ℃ of sulfidizing and after 35 minutes, obtains automobile silicon rubber vibration damping composite 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 ratio of damping of the material of preparing is obviously higher.Automobile of the present invention is comprised of dibenzoyl peroxide, silicon oxide, reuse resol, polycarbonate magnesium slag complex body, silicon rubber with silicon rubber vibration damping composite material; 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 (3)
1. an automobile silicon rubber vibration damping composite material, is characterized in that: in this material, the weight percent of each composition is: dibenzoyl peroxide 1-3%, silicon oxide 1-3%, reuse resol 8-15%, polycarbonate magnesium slag complex body 9-15%, all the other silicon rubber;
Described polycarbonate magnesium slag complex body is mixed by weight 10:3-5 by polycarbonate and magnesium slag, and wherein in magnesium slag, the weight percent of each composition is: calcium oxide 40-50%, aluminum oxide 2-5%, magnesium oxide 6-10%, ferric oxide 8-9%, remaining silicon oxide; Described reuse resol is curing resol.
2. automobile according to claim 1 silicon rubber vibration damping composite material, is characterized in that: the particle diameter of described reuse resol powder is 150-200 micron.
3. the preparation method of silicon rubber vibration damping composite material for automobile claimed in claim 1, is characterized in that: the method comprises the following steps:
1) preparation of magnesium slag: get the magnesium slag of above-mentioned composition, grind to form the magnesium ground-slag body of particle diameter 10-20 micron, standby;
2) preparation of polycarbonate: polycarbonate is heated to 150-160 ℃ of polycarbonate that obtains being molten state, standby;
3) prepare polycarbonate magnesium slag complex body: by weight step (1) gained magnesium ground-slag body is joined in the polycarbonate of step (2) gained molten state, and stir, then naturally cool to room temperature and obtain polycarbonate magnesium slag complex body; Then polycarbonate magnesium slag complex body is put into the liquid nitrogen upper space of-170 ~-180 ℃ of liquid nitrogen bath, then be incubated 10-15 minute, then take out fragmentation and grinding, after fragmentation and grinding, obtain polycarbonate magnesium slag complex body powder, particle diameter is 100-120 micron;
4) prepare automobile silicon rubber vibration damping composite material: by above-mentioned weight ratio, get silicon oxide, reuse resol, it is mixing that polycarbonate magnesium slag complex body powder and silicon rubber carry out fully kneading, and melting temperature is 70-85 ℃, after mixing 15-20 minute, obtains matrix material mixture; Matrix material mixture is placed in to the indirect heater of 110-120 ℃ to be incubated 10-15 minute and to carry out prevulcanized, in the matrix material mixture of prevulcanized, add the dibenzoyl peroxide of above-mentioned weight ratio fully kneading again, put it into again in mould, obtain automobile silicon rubber vibration damping composite material after furnace temperature is adjusted to 128-138 ℃ of sulfidizing 20-25 minute.
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| CN201410411037.3A CN104151832B (en) | 2014-08-20 | 2014-08-20 | A kind of automobile silicon rubber vibration damping composite material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893237A (en) * | 2015-06-09 | 2015-09-09 | 李平兰 | Damping material for blower installation |
| CN105238051A (en) * | 2015-08-25 | 2016-01-13 | 苏州国泰科技发展有限公司 | Preparation method for shock-absorbing rubber material used for vehicles |
| CN106366613A (en) * | 2016-11-10 | 2017-02-01 | 广东电网有限责任公司电力科学研究院 | Material with effects of insulating sound and reducing noise and preparation method of material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011088968A (en) * | 2009-10-21 | 2011-05-06 | Honda Motor Co Ltd | Rubber composition for automobile vibration isolating component and rubber member for automobile vibration isolating component using the same |
| WO2011149198A9 (en) * | 2010-05-27 | 2012-05-18 | Industry-Academic Cooperation Foundation Gyeongsang National University | Silicone vibration damping rubber composition |
| CN103113748A (en) * | 2013-03-12 | 2013-05-22 | 缪智刚 | Vehicle siloxane damping elastomer |
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2014
- 2014-08-20 CN CN201410411037.3A patent/CN104151832B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011088968A (en) * | 2009-10-21 | 2011-05-06 | Honda Motor Co Ltd | Rubber composition for automobile vibration isolating component and rubber member for automobile vibration isolating component using the same |
| WO2011149198A9 (en) * | 2010-05-27 | 2012-05-18 | Industry-Academic Cooperation Foundation Gyeongsang National University | Silicone vibration damping rubber composition |
| CN103113748A (en) * | 2013-03-12 | 2013-05-22 | 缪智刚 | Vehicle siloxane damping elastomer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893237A (en) * | 2015-06-09 | 2015-09-09 | 李平兰 | Damping material for blower installation |
| CN105238051A (en) * | 2015-08-25 | 2016-01-13 | 苏州国泰科技发展有限公司 | Preparation method for shock-absorbing rubber material used for vehicles |
| CN106366613A (en) * | 2016-11-10 | 2017-02-01 | 广东电网有限责任公司电力科学研究院 | Material with effects of insulating sound and reducing noise and preparation method of material |
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| CN104151832B (en) | 2016-08-24 |
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Effective date of registration: 20201224 Address after: No.3 building, No.88 Xianshi Road, Changshu high tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee after: Changshu Zijin Intellectual Property Service Co.,Ltd. Address before: 215500 No.8, Jindu Road, Southeast Economic Development Zone, Changshu City, Suzhou City, Jiangsu Province Patentee before: CHANGSHU NANJING NORMAL UNIVERSITY DEVELOPMENT RESEARCH INSTITUTE Co.,Ltd. |