CN106147246A - Damping mat and include its automobile structure - Google Patents
Damping mat and include its automobile structure Download PDFInfo
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- CN106147246A CN106147246A CN201510134346.5A CN201510134346A CN106147246A CN 106147246 A CN106147246 A CN 106147246A CN 201510134346 A CN201510134346 A CN 201510134346A CN 106147246 A CN106147246 A CN 106147246A
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Abstract
The invention provides damping mat and include its automobile structure.Described damping mat is attached to the structural member of automobile for pad, and wherein, the formula components making described damping mat at least includes Colophonium, perlite, white carbon and fine particle calcium carbonate.The present invention have employed the lightweight damping mat material of advanced person, provide not only the lightweight of automobile structure, and sound insulation, damping performance are excellent.
Description
Technical field
The present invention relates to a kind of damping mat being applied to automobile structure;The present invention yet further relates to a kind of automobile structure including this damping mat.
Background technology
Damping mat has a wide range of applications in automobile shock technology, and damping vibration attenuation technology, by high damping material is attached to structural member surface, reaches the purpose of vibration damping by the energy of dissipative structure part.The method does not change the acoustic radiation characteristics of structural member, but can effectively control its level of vibration, so that noise reduces.
Damping mat typically has Colophonium class damping mat and rubber-like damping mat.The former is with Colophonium as main material, add the mixture that rubber, fiber etc. are formed, have plain edition, autohension and hot-melt damping pad at present, apply at the position such as body platform and front panel, be bonded in after dissolving by application drying room, cool down on body structural member such as sheet metal component.Colophonium class damping mat is directly placed on vehicle body metal plate structure and dissolves molding in coating process.Damping mat does not has special fixing device onboard, when therefore applying damping mat on some risers or inclined-plane, need to add magnetic powder at the binding face of damping mat and structural member, be coated with viscosity glue and fix damping mat shaping position on vehicle body in advance.
Colophonium class damping mat is a kind of well damping material, and horizontal direction therein has more fibrous matter.When sheet metal structural occurs vibration, owing to the layout of fibrous matter is crisscross, internal friction must absorb considerable energy, thus reaches the effect of vibration damping, damping.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, select and determine recipe ingredient and ratio, it is provided that the damping mat of a kind of lightweight formula.
Present invention also offers a kind of automobile structure including this damping mat further.
In order to realize object defined above, a first aspect of the present invention provides a kind of damping mat, and described damping mat is attached to the structural member of automobile for pad, and wherein, the formula components making described damping mat at least includes Colophonium, perlite, white carbon and fine particle calcium carbonate.
Alternatively, in foregoing damping mat, the part by weight of Colophonium, perlite, white carbon and fine particle calcium carbonate is (29 ~ 41): (23 ~ 27): (27 ~ 33): (9 ~ 11).
Alternatively, in foregoing damping mat, the part by weight of Colophonium, perlite, white carbon and fine particle calcium carbonate is 7:5:6:2.
Alternatively, in foregoing damping mat, the formula components of described damping mat only includes Colophonium, perlite, white carbon and fine particle calcium carbonate.
Alternatively, in foregoing damping mat, the percentage by weight of Colophonium is 29 ~ 41%;Perlitic percentage by weight is 23 ~ 27%;The percentage by weight of white carbon is 27 ~ 30%;The percentage by weight of fine particle calcium carbonate is 9 ~ 11%.
Alternatively, in foregoing damping mat, the percentage by weight of Colophonium is 35%;Perlitic percentage by weight is 25%;The percentage by weight of white carbon is 30%;The percentage by weight of fine particle calcium carbonate is 10%.
In order to realize object defined above, a second aspect of the present invention provides a kind of automobile structure, and on described automobile structure, pad is with the damping mat as according to any one of aforementioned first aspect.
At the aforementioned damping mat according to the present invention and the lightweight damping mat material that have employed advanced person in including its automobile structure, it is not only the preferable substitution material of automotive light weight technology, and sound insulation, damping performance are excellent.The damping mat material face density of the present invention is little, and its composite weight loss effect is obvious, typically can realize the lightweight of relatively traditional asphalt damping mat 40%.
Detailed description of the invention
The following detailed description of the damping mat according to the present invention and the detailed description of the invention of automobile structure.
Damping mat according to the present invention is attached to automobile structure for pad.In an embodiment of the damping mat according to the present invention, the formula components making described damping mat at least includes Colophonium, perlite, white carbon and fine particle calcium carbonate, and the part by weight of its medium pitch, perlite, white carbon and fine particle calcium carbonate is (29 ~ 41): (23 ~ 27): (27 ~ 33): (9 ~ 11).In a preferred embodiment, the part by weight of Colophonium, perlite, white carbon and fine particle calcium carbonate is 7:5:6:2.So, when the formula components of damping mat only includes Colophonium, perlite, white carbon and fine particle calcium carbonate, the percentage by weight of Colophonium is 29 ~ 41%;Perlitic percentage by weight is 23 ~ 27%;The percentage by weight of white carbon is 27 ~ 30%;The percentage by weight of fine particle calcium carbonate is 9 ~ 11%;In a preferred embodiment, the percentage by weight of Colophonium is 35%;Perlitic percentage by weight is 25%;The percentage by weight of white carbon is 30%;The percentage by weight of fine particle calcium carbonate is 10%.
In an illustrative embodiments, the percentage by weight that can select Colophonium is 36.3%, and perlitic percentage ratio is 24.7%, and the percentage by weight of white carbon is 28.4%, and the percentage by weight of fine particle calcium carbonate is 10.6%.Or, when in the formula of damping mat containing other composition, Colophonium, perlite, white carbon and fine particle calcium carbonate can keep proportioning corresponding with this, i.e. 36.3:24.7:28.4:10.6.
In another exemplary embodiment, the percentage by weight that can select Colophonium is 36.9%, and perlitic percentage by weight is 25%, and the percentage by weight of white carbon is 28.1%, and the percentage by weight of fine particle calcium carbonate is 10%.Or, when in the formula of damping mat containing other composition, Colophonium, perlite, white carbon and fine particle calcium carbonate can keep proportioning corresponding with this, i.e. 36.9:25:28.1:10.
Damping mat according to the present invention and have employed the lightweight damping mat material of advanced person in including its automobile structure, it is not only the preferable substitution material of automotive light weight technology, and sound insulation, damping performance are excellent.The damping mat material face density of the present invention is little, and its composite weight loss effect is obvious, typically can realize the lightweight of relatively traditional asphalt damping mat 40%.
The present invention considers the respective feature of Colophonium, perlite, white carbon and fine particle calcium carbonate on damping mat material mixture ratio:
1, the existing elastomeric state of Colophonium has again high sticky stage, and its elasticity is to be produced by the change of its coiled molecule conformation, and intermolecular interaction can hinder the motion of strand, shows again stickiness feature, so that stress and strain is often in unbalanced state;Delayed and internal friction characteristic generally represents by fissipation factor, and fissipation factor is the biggest, and damping and heat are the most notable, and damping effect is the most obvious.
2, perlite roughing sand is through finely divided and superfine grinding, can be used for making inserts in product of rubber and plastic, pigment, paint, ink, synthetic glass, heat insulation bakelite and some mechanical components and equipment;Perlite is expanded and becomes a kind of lightweight, multifunctional novel shaped material, have that apparent density is light, heat conductivity is low, chemical stability is good, use that temperature range is wide, wettability power is little, and the feature such as nontoxic, tasteless, fire prevention, sound-absorbing, it is widely used in multiple industrial department.
3, carry out reinforcement with alternative carbon black during white carbon is used in colorful rubber goods, meet the needs of white or translucent product.White carbon has superpower adhesion, anti tear and heat-resistant ageing properties simultaneously, so the most alternative part white carbon black in black rubber goods, to obtain high-quality rubber.
4, fine particle calcium carbonate is typically used as filler, it is widely used in the daily-use chemical industry industries such as artificial floor tile, rubber, plastics, papermaking, coating, paint, ink, cable, building product, food, medicine, weaving, feedstuff, toothpaste, play as filler and increase the volume of product, reduce production cost.
Above in association with being only the exemplary formulations of the present invention described in detailed description of the invention.It should be pointed out that, for the person of ordinary skill of the art, on the basis of inventive formulation, it is also possible to make other modification some, also should be regarded as falling in protection scope of the present invention.
Claims (7)
1. a damping mat, described damping mat is attached to the structural member of automobile for pad, it is characterised in that the formula components making described damping mat at least includes Colophonium, perlite, white carbon and fine particle calcium carbonate.
2. damping mat as claimed in claim 1, wherein, the part by weight of Colophonium, perlite, white carbon and fine particle calcium carbonate is (29 ~ 41): (23 ~ 27): (27 ~ 33): (9 ~ 11).
3. damping mat as claimed in claim 2, wherein, the part by weight of Colophonium, perlite, white carbon and fine particle calcium carbonate is 7:5:6:2.
4. damping mat as claimed in claim 1, wherein, the formula components of described damping mat only includes Colophonium, perlite, white carbon and fine particle calcium carbonate.
5. damping mat as claimed in claim 4, wherein, the percentage by weight of Colophonium is 29 ~ 41%;Perlitic percentage by weight is 23 ~ 27%;The percentage by weight of white carbon is 27 ~ 30%;The percentage by weight of fine particle calcium carbonate is 9 ~ 11%.
6. damping mat as claimed in claim 5, wherein, the percentage by weight of Colophonium is 35%;Perlitic percentage by weight is 25%;The percentage by weight of white carbon is 30%;The percentage by weight of fine particle calcium carbonate is 10%.
7. an automobile structure, it is characterised in that on described automobile structure, pad is with the damping mat as according to any one of claim 1 to 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510134346.5A CN106147246A (en) | 2015-03-26 | 2015-03-26 | Damping mat and include its automobile structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510134346.5A CN106147246A (en) | 2015-03-26 | 2015-03-26 | Damping mat and include its automobile structure |
Publications (1)
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CN106147246A true CN106147246A (en) | 2016-11-23 |
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CN201510134346.5A Pending CN106147246A (en) | 2015-03-26 | 2015-03-26 | Damping mat and include its automobile structure |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2358116Y (en) * | 1999-01-22 | 2000-01-12 | 钱国桢 | Vibration-proof pad |
CN1594436A (en) * | 2004-07-13 | 2005-03-16 | 李卫国 | Macromolecular hot-melting damping materials and method for preparing same |
-
2015
- 2015-03-26 CN CN201510134346.5A patent/CN106147246A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2358116Y (en) * | 1999-01-22 | 2000-01-12 | 钱国桢 | Vibration-proof pad |
CN1594436A (en) * | 2004-07-13 | 2005-03-16 | 李卫国 | Macromolecular hot-melting damping materials and method for preparing same |
Non-Patent Citations (1)
Title |
---|
张兴友等: ""白炭黑改性沥青及其混合料的路用性能研究"", 《公路交通科技》 * |
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Application publication date: 20161123 |
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RJ01 | Rejection of invention patent application after publication |