CN101486326A - Double-layer shock-absorbing damping plate for automobile and production method thereof - Google Patents
Double-layer shock-absorbing damping plate for automobile and production method thereof Download PDFInfo
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- CN101486326A CN101486326A CNA2008100194919A CN200810019491A CN101486326A CN 101486326 A CN101486326 A CN 101486326A CN A2008100194919 A CNA2008100194919 A CN A2008100194919A CN 200810019491 A CN200810019491 A CN 200810019491A CN 101486326 A CN101486326 A CN 101486326A
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Abstract
The invention provides a double-layer damping plate for a vehicle and a preparation method thereof. The double-layer damping plate is formed by laminating a face plate and a base plate, wherein the face plate is prepared by using rubber as a main material, and a formulation for the main material comprises the following components: 13 to 18 percent of high phenethylene, 7 to 10 percent of natural rubber, 2 to 5 percent of petroleum resin, 20 to 30 percent of talcum powder, 20 to 30 percent of calcium carbonate powder, 0.06 percent of stearic acid, 0.08 to 0.5 percent of M accelerant, 0.3 to 0.5 percent of sulfur, 1.2 percent of mica, 5 to 20 percent of calcium oxide, 1 to 3 percent of machine oil, and 0.12 to 1 percent of carbon black. The base plate is prepared by using asphalt as a main material, and a formulation for the main material comprises the following components: 20 to 30 percent of No.10 asphalt, 5 to 15 percent of No.90 asphalt, 6 to 10 percent of mica, 25 to 40 percent of talcum powder, 8 to 15 percent of aedelforsite powder, 4 to 10 percent of SBS thermoplastic material, 4 to 7 percent of rubber powder, 0.5 to 3 percent of petroleum resin, and 0.5 to 2 percent of random polypropylene. The face plate and the base plate are manufactured respectively, the upper surface of the base plate or the lower surface of the face plate can be coated with pressure-sensitive adhesive or hot melt adhesive, and the face plate and the base plate are adhered first and then bound by a staple on the periphery. The double-layer damping plate for the vehicle has better damping and sound insulating performances than a single-layer damping plate, the raw materials for preparation are easily purchased, and the process can achieve scale production.
Description
Technical field
The invention belongs to the polymer composite field, relate to car underbody damping damping material, especially for the double-layer shock-absorbing damping plate for automobile of damping at the bottom of the luxury car car and preparation method thereof.
Background technology
At present, be used for the damping panel of small-sized manned vehicle bottom, being generally by pitch is the individual layer damping panel that major ingredient is made, though its manufacturing process is comparatively simple, cost of material is lower; But its damping, soundproof effect are relatively poor, and damping capacity is not ideal, so be suitable for that not too damping, soundproof effect are had the very high-grade car of high request.
Summary of the invention
For overcoming the deficiencies in the prior art part, the invention provides a kind of damping, soundproof effect double-layer shock-absorbing damping plate for automobile good, that be suitable for the high-grade car bottom and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: be formed by stacking by panel and base plate:
Panel is that major ingredient is made by rubber, and by weight percentage, its prescription is as follows: high-phenylethylene 13～18%, natural rubber 7～10%, petroleum resin 2～5%, french talc 20～30%, Paris white 20～30%, stearic acid 0.06%, and the M accelerator (chemistry is by name: 2-mercaptobenzothiazole) 0.08～0.5%, and sulphur 0.3～0.5%, mica 1.2%, calcium oxide 5～30%, machine oil 1～3%, carbon black 0.12～1%;
Base plate is that major ingredient is made by pitch, and by weight percentage, its prescription is as follows: 10
#Pitch 20～30%, 90
#Pitch 5～15%, mica 6～10%, french talc 25～40%, wollastonite in powder 8～15%, SBS thermoplastic material 4～10%, rubber powder 4～7%, petroleum resin 0.5～3%, random polypropylene 0.5～2%.
Above-mentioned natural rubber is No. 1 or No. 5 pimpled rubber;
Above-mentioned SBS thermoplastic material is 792 types, and is the weight ratio infusion in advance with machine oil 1:1.
Said engine oil also can be dioctyl ester or dibutyl ester substitutes.
Need the position of laying double-layer shock-absorbing damping plate complex-shaped for the automobile bottom, and when the docile property requirement of counter plate after curing is very high, pressure-sensitive adhesive coating or hot melt adhesive between base plate and panel make panel and base plate earlier bonding, and then around use staple.
The preparation method of double-layer shock-absorbing damping plate for automobile makes panel and base plate respectively;
The preparation method of panel: high-phenylethylene is plasticated into uniform sheet; Natural rubber is plasticated, add the M accelerator again and plasticate; High-phenylethylene and natural rubber are plasticated in the lump after will plasticating, add petroleum resin, mixing to even, drop in the Banbury mixer together with petroleum resin, french talc, Paris white, stearic acid 0.06%, mica 1., calcium oxide 5～20%, carbon black then, and add the machine oil of half amount, after becoming bulk to the material banburying, add remaining machine oil again, to mixing of materials evenly, the blocks of solid of color homogeneous; Become block material in mill, to be pressed into sheet again banburying, add sulphur below the temperature at 60 ℃ and plasticate to mixing; By required dimensional characteristic slice, the thickness of panel is 1～5mm again; After cooling, typing, carry out cut-parts; At least 24 hours placement of panel after the cut-parts, make it fully naturally after contraction, oad as requested carries out cross cutting again;
The preparation method of base plate: pitch and the adding of SBS thermoplastic material are had in the stirred tank of heating arrangement, warm-up control temperature to 220～240 ℃, after treating its fusing, add wollastonite in powder while stirring, french talc, rubber powder stirred one and a half hours, add petroleum resin and random polypropylene again, stir half an hour; The material that mixes is put into the kneader with the function extruded, treat that temperature is cooled to 150 ℃ and begins to extrude, the material of extruding carries out preliminary compressing tablet, carries out accurate compressing tablet, and the thickness of base plate is 1～5mm; Base plate behind the compressing tablet is delivered to slitting machine again and carries out cut-parts; Base plate after the cut-parts to place at least 72 hours, make it fully naturally after contraction, on mould cutting machine, carry out cross cutting according to concrete oad again.
The base plate and the panel of drying are superimposed together, around use staple; Because the panel of double-layer shock-absorbing damping plate for automobile is avoided water, also avoids for a long time being exposed in the malaria, so adopt plastic sheeting sealed package, preservation.
Above-mentioned base plate is when compressing tablet, and the roller of the three-roller that is adopted is provided with and has striped, makes to make plate upper surface and have striped is arranged, and after panel and base plate are superimposed, is convenient to breathe freely when being heating and curing like this, prevents that bubble from producing.
Beneficial effect of the present invention is: because the panel that the elastomeric material that has adopted damping, soundproof effect to be better than asphalt material is made; the base plate that adopts the asphalt material bonding with car body, also to have damping, deadening to make simultaneously; therefore; this damping panel has the damping sound insulation value better than individual layer damping panel; and preparation raw material of the present invention is easily buying all, and technology can the big production of scale.
The specific embodiment
Below in conjunction with embodiment, the invention will be further described.
Double-layer shock-absorbing damping plate for automobile of the present invention is formed by stacking by panel and base plate.In 1000 kilograms of total material.
Panel is that major ingredient is made by rubber, and by weight percentage, its prescription is: high-phenylethylene 14.8%, natural rubber 7.5%, petroleum resin 3%, french talc 27.2%, Paris white 30%, stearic acid 0.06%, M accelerator 0.09%, sulphur 0.34%, mica 1.16%, calcium oxide 13%, machine oil 1.93%, carbon black 0.13%.
The preparation method of panel is:
Step 1, granular high-phenylethylene is plasticated into uniform sheet in mill;
Step 2, natural rubber is plasticated in advance, after placing one day, add the M accelerator again and plasticate;
Step 3, will in mill, plasticate in the lump, suitably amplify roll spacing again, add petroleum resin, petroleum resin are not splashed, and absorbed rapidly by sizing material as far as possible, until mixing even through the material after step 1 and two is plasticated;
Step 4, will drop in the Banbury mixer together by material and french talc, Paris white, stearic acid, mica, calcium oxide, the carbon black that step 3 has been plasticated, and the machine oil that adds half amount (becomes banburying not thorough to prevent sizing material, irregular colour one Powdered), after becoming bulk to the material banburying, add remaining machine oil again, until mixing of materials evenly, the blocks of solid of color homogeneous;
Step 5, the material that banburying one-tenth is block take out, and are placed on and are pressed into sheet in the mill, add sulphur below the temperature at 60 ℃ and plasticate to mixing;
Step 6, by required size and thickness requirement slice, the thickness of panel is generally 1～5mm; In mill during slice, adjust that distance just in time equals the fabric width that panel requires between the cutting knife on both sides, be against on the roller of rotation, automatically carry out rip cutting, crosscut on the roller that rotates again is with pulling out rubber plate, when treating that its length reaches requirement, crosscut is disconnected again on roller at last.Like this, carry out repeatedly, the sizing material in mill cuts.Size, thickness, outward appearance nonconformity and leftover pieces will be reentered into and mould white silk in the mill, then slice according to the method described above.Just the rubber plate of slice is softer, be placed on the flat board of cleaning to cool off, treat the size and dimension typing after, and after non-caked each other, carry out cut-parts;
Step 7, the panel with cut-parts after good stack, and stack thickness and can not surpass 100, to prevent between panel under weight bonding mutually;
Panel after step 8, the cut-parts is through at least 24 hours placement, makes it fully naturally after contraction, and oad as requested carries out cross cutting on mould cutting machine again;
Base plate is that major ingredient is made by pitch, and by weight percentage, its prescription is as follows: 10
#Pitch 23%, 90
#Pitch 9.75%, mica 9.7%, french talc 35%, wollastonite in powder 10.8%, SBS thermoplastic material (with the weight ratio in advance infusion of machine oil) 5.62%, rubber powder 4.62%, petroleum resin 0.7%, random polypropylene 0.77% by 1: 1.
The preparation method of base plate:
Step 1, with 10
#Pitch and 90
#Pitch and SBS thermoplastic material add and have in the stirred tank of heating arrangement, warm-up control temperature to 220～240 ℃, treat its fusing after, add wollastonite in powder while stirring, french talc, rubber powder stirred one and a half hours;
Step 2, add petroleum resin and random polypropylene again, stir half an hour;
Step 3, the material that mixes is put into the kneader with the function extruded, treat that temperature is cooled to begin to extrude about 150 ℃, the material of extruding carries out preliminary compressing tablet through two roller machine.In order to prevent that asphaltene is bonded on the roller, the pair of rollers spraying cooling water makes neither roll banding of asphaltene, also can cool off soon.
Step 4, process load-transfer device are delivered to three-roller and carry out further accurately compressing tablet, adjust the thickness of required damping panel; The thickness of base plate is 1.8～2mm (DYK warship vehicle far away); Have striped on the roller of three-roller, make streaky base plate like this; After panel and base plate are superimposed, when being heating and curing, be convenient to breathe freely like this, prevent that bubble from producing.
Damping panel behind step 5, the compressing tablet is delivered to slitting machine through load-transfer device again and carries out cut-parts; Base plate after the cut-parts to place at least 72 hours, make it fully naturally after contraction, on mould cutting machine, carry out cross cutting according to concrete oad again.
Cooling water expansion tank on the base plate is dried with cotton, then panel and base plate is superimposed together, around use staple; Need the position of laying double-layer shock-absorbing damping plate complex-shaped for the automobile bottom, and when the docile property requirement of counter plate after curing is very high, pressure-sensitive adhesive coating or hot melt adhesive on the upper surface of base plate or panel lower surface make panel and base plate earlier bonding, and then around use staple.Because the panel of double-layer shock-absorbing damping plate for automobile is avoided water, also avoids for a long time being exposed in the malaria, so adopt plastic sheeting sealed package, preservation.
The curing molding condition that double-layer shock-absorbing damping plate for automobile uses is a forming and hardening in the hot air drying room under no impressed pressure (normal pressure), and the temperature of drying room is 150 ℃, and stoving time is 30 minutes.Double-layer shock-absorbing damping plate for automobile can withstand automobile required roughly the same bake process of condition several times in baking vanish technology thereafter.After the baking, require panel and base plate can be close to together on the parts of automobile bottom, can bond well between panel and the base plate and between base plate and the autobody sheet.
Claims (8)
1. double-layer shock-absorbing damping plate for automobile is characterized by: be formed by stacking by panel and base plate;
Panel is that major ingredient is made by rubber, and by weight percentage, its prescription is as follows: high-phenylethylene 13～18%, natural rubber 7～10%, petroleum resin 2～5%, french talc 20～30%, Paris white 20～30%, stearic acid 0.06%, M accelerator 0.08～0.5%, sulphur 0.3～0.5%, mica 1.2%, calcium oxide 5～20%, machine oil 1～3%, carbon black 0.12～1%;
Base plate is that major ingredient is made by pitch, and by weight percentage, its prescription is as follows: 10
#Pitch 20～30%, 90
#Pitch 5～15%, mica 6～10%, french talc 25～40%, wollastonite in powder 8～15%, SBS thermoplastic material 4～10%, rubber powder 4～7%, petroleum resin 0.5～3%, random polypropylene 0.5～2%.
2, double-layer shock-absorbing damping plate for automobile according to claim 1 is characterized by: above-mentioned natural rubber is No. 1 or No. 5 standard glue.
3, double-layer shock-absorbing damping plate for automobile according to claim 1 is characterized by: the SBS thermoplastic material is 792 types, and is the weight ratio infusion in advance with machine oil 1:1.
4, according to claim 1 or 3 described double-layer shock-absorbing damping plate for automobile, it is characterized by: the dioctyl ester or the dibutyl ester of weight such as said engine oil employing substitute.
5, double-layer shock-absorbing damping plate for automobile according to claim 1 is characterized by: pressure-sensitive adhesive coating or hot melt adhesive between base plate and panel, make panel and base plate earlier bonding, and then around use staple.
6, double-layer shock-absorbing damping plate for automobile according to claim 5 is characterized by: panel after superimposed and base plate adopt plastic sheeting sealed package, preservation.
7, the preparation method of double-layer shock-absorbing damping plate for automobile according to claim 1 is characterized by: panel and base plate are made respectively;
The preparation method of panel: high-phenylethylene is plasticated into uniform sheet; Natural rubber is plasticated, add the M accelerator again and plasticate; High-phenylethylene and natural rubber are plasticated in the lump after will plasticating, add petroleum resin, mixing to even, drop in the Banbury mixer together with petroleum resin, french talc, Paris white, stearic acid 0.06%, mica 1., calcium oxide 5～20%, carbon black then, and add the machine oil of half amount, after becoming bulk to the material banburying, add remaining machine oil again, to mixing of materials evenly, the blocks of solid of color homogeneous; Become block material in mill, to be pressed into sheet again banburying, add sulphur below the temperature at 60 ℃ and plasticate to mixing; By required dimensional characteristic slice, the thickness of panel is 1～5mm again; After cooling, typing, carry out cut-parts; At least 24 hours placement of panel after the cut-parts, make it fully naturally after contraction, oad as requested carries out cross cutting again;
The preparation method of base plate: pitch and the adding of SBS thermoplastic material are had in the stirred tank of heating arrangement, warm-up control temperature to 220～240 ℃, after treating its fusing, add wollastonite in powder while stirring, french talc, rubber powder stirred one and a half hours, add petroleum resin and random polypropylene again, stir half an hour; The material that mixes is put into the kneader with the function extruded, treat that temperature is cooled to 150 ℃ and begins to extrude, the material of extruding carries out preliminary compressing tablet, carries out accurate compressing tablet, and the thickness of base plate is 1～5mm; Base plate behind the compressing tablet is delivered to slitting machine again and carries out cut-parts; Base plate after the cut-parts to place at least 72 hours, make it fully naturally after contraction, on mould cutting machine, carry out cross cutting according to concrete oad again.
The base plate and the panel of drying are superimposed together, around use staple; Because the panel of double-layer shock-absorbing damping plate for automobile is avoided water, also avoids for a long time being exposed in the malaria, so adopt plastic sheeting sealed package, preservation.
8, the preparation method of double-layer shock-absorbing damping plate for automobile according to claim 7 is characterized by: above-mentioned base plate is when compressing tablet, and the roller of the three-roller that is adopted is provided with and has striped, makes to make plate upper surface and have striped is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100194919A CN101486326A (en) | 2008-01-17 | 2008-01-17 | Double-layer shock-absorbing damping plate for automobile and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100194919A CN101486326A (en) | 2008-01-17 | 2008-01-17 | Double-layer shock-absorbing damping plate for automobile and production method thereof |
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| CN101486326A true CN101486326A (en) | 2009-07-22 |
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| CNA2008100194919A Pending CN101486326A (en) | 2008-01-17 | 2008-01-17 | Double-layer shock-absorbing damping plate for automobile and production method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294873A (en) * | 2011-05-28 | 2011-12-28 | 无锡吉兴汽车声学部件科技有限公司 | Production method of formed reconstituted cotton shock pad under carpet of automobile |
| CN102796345A (en) * | 2012-08-24 | 2012-11-28 | 北京嘉诚瑞鑫科技有限公司 | Damping pad and production method thereof |
| CN103661150A (en) * | 2013-12-03 | 2014-03-26 | 常州市泛亚微透科技有限公司 | Automotive acoustic damping component and production method and application thereof |
| CN103753820A (en) * | 2014-01-09 | 2014-04-30 | 广德天运无纺有限公司 | Production device of shock absorbing-damping block for car |
| CN103878965A (en) * | 2014-01-09 | 2014-06-25 | 广德天运无纺有限公司 | Production device of damping fin for automobiles |
| CN103980607A (en) * | 2014-06-10 | 2014-08-13 | 广州市恩威曲新材料有限公司 | Damping shock-absorption noise-reduction material, and preparation method and application thereof |
| CN104004324A (en) * | 2014-06-11 | 2014-08-27 | 长春徳联化工有限公司 | Fiber damping material used for automobile and preparing method thereof |
| CN107053797A (en) * | 2016-12-30 | 2017-08-18 | 东莞市佳乾新材料科技有限公司 | A kind of preparation method of the macromolecule damping sheet with excellent anti-acoustic capability |
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2008
- 2008-01-17 CN CNA2008100194919A patent/CN101486326A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294873A (en) * | 2011-05-28 | 2011-12-28 | 无锡吉兴汽车声学部件科技有限公司 | Production method of formed reconstituted cotton shock pad under carpet of automobile |
| CN102796345A (en) * | 2012-08-24 | 2012-11-28 | 北京嘉诚瑞鑫科技有限公司 | Damping pad and production method thereof |
| CN102796345B (en) * | 2012-08-24 | 2015-02-18 | 北京嘉诚瑞鑫科技有限公司 | Damping pad and production method thereof |
| CN103661150A (en) * | 2013-12-03 | 2014-03-26 | 常州市泛亚微透科技有限公司 | Automotive acoustic damping component and production method and application thereof |
| CN103661150B (en) * | 2013-12-03 | 2016-04-06 | 江苏泛亚微透科技股份有限公司 | Sound-absorbing damping vibration attenuation parts of automobile and its preparation method and application |
| CN103753820A (en) * | 2014-01-09 | 2014-04-30 | 广德天运无纺有限公司 | Production device of shock absorbing-damping block for car |
| CN103878965A (en) * | 2014-01-09 | 2014-06-25 | 广德天运无纺有限公司 | Production device of damping fin for automobiles |
| CN103878965B (en) * | 2014-01-09 | 2016-09-28 | 广德天运新技术股份有限公司 | A kind of automobile damping fin process units |
| CN103980607A (en) * | 2014-06-10 | 2014-08-13 | 广州市恩威曲新材料有限公司 | Damping shock-absorption noise-reduction material, and preparation method and application thereof |
| CN104004324A (en) * | 2014-06-11 | 2014-08-27 | 长春徳联化工有限公司 | Fiber damping material used for automobile and preparing method thereof |
| CN104004324B (en) * | 2014-06-11 | 2016-04-20 | 长春徳联化工有限公司 | A kind of automobile fiber damping material and preparation method thereof |
| CN107053797A (en) * | 2016-12-30 | 2017-08-18 | 东莞市佳乾新材料科技有限公司 | A kind of preparation method of the macromolecule damping sheet with excellent anti-acoustic capability |
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Open date: 20090722 |