CN101402273A - Manufacturing method of carpet noise insulation pad composite-layer backing material for cars - Google Patents
Manufacturing method of carpet noise insulation pad composite-layer backing material for cars Download PDFInfo
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- CN101402273A CN101402273A CNA2008101948754A CN200810194875A CN101402273A CN 101402273 A CN101402273 A CN 101402273A CN A2008101948754 A CNA2008101948754 A CN A2008101948754A CN 200810194875 A CN200810194875 A CN 200810194875A CN 101402273 A CN101402273 A CN 101402273A
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- diene rubber
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- propylene
- insulation pad
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Abstract
The invention relates to a method for producing a base material for a composite layer of a carpet sound insulating pad for an automobile, which can be particularly applied to manufacturing the composite layer of the carpet sound insulating pad for the automobile. The method is characterized by comprising the following steps: using ethylene-propylene-diene rubber surface carpet as a gluing base material, and ginning in the gluing area on the surface of the ethylene-propylene-diene rubber surface carpet ethylene-propylene-diene rubber surface carpet ethylene-propylene-diene rubber surface carpet; coating a chloroprene adhesive solution on the ginning vein evenly, and after airing, jointing two pieces of the ethylene-propylene-diene rubber surface carpet the surface of which is coated with the chloroprene adhesive solution; putting in a press to pressurize; and then putting in a baking oven to heat and taking out; and obtaining the finished product through cooling and shaping. The production technology and the equipment have simple requirements, and avoid investment establishment of large scale equipment and cost for modifying moulds repeatedly; and the product has the advantages of high temperature and low temperature resistance, age resistance and good bending resistance, increases the bonding strength greatly, and has 15 times of the prior maximum peeling strength.
Description
Technical field
The present invention relates to a kind of production method of carpet noise insulation pad composite-layer backing material for cars, specifically can be applicable to make in the middle of the car carpeting noise insulation pad composite-layer.
Background technology
Rubber has the high resiliency feature that general material lacks as a kind of macromolecular compound of ultra high molecular weight.Its elastic modelling quantity is little, elongation strain is big, can in very wide temperature range, keep higher elasticity, thereby there is certain hysteresis effect to have the sound insulation shock-absorbing function to alternation and vibration stress and fluctuation, advantages such as in addition, its electric insulation, lighting, flexibility be good have also promoted the development of rubber industry and popularizing of goods thereof.
Wherein, the ethylene propylene diene rubber (EPDM) of introducing the 3rd monomer is extensively favored because of its outstanding anti-aging property especially.Its ozone resistance approximately is 5 times of neoprene, and anti-weather is 100 times of butadiene-styrene rubber, can use down at 150 ℃ for a long time, and anti-corona can reach more than 2 months ... the performance of all excellences all makes EPDM become the preferential selection of rubber product.Especially beam, seal and automobile-used rubber accessory aspect become only first-selection especially.Everything premium properties all is that the saturated chain structure of visiing EPDM is grant, and does not have polar substituent group on its strand, and strand is very submissive, causes its aging influence of outer bound pair to be difficult to carry out.But simultaneously, this has also caused important defective of EPDM, because the polarity of EPDM is very low, therefore generally substantially all can not obtain satisfied effect with the bonding EPDM of polarity adhesive.For convenient formation, adopt one-shot forming usually or utilize the bonding method reply of PUR.But the former can increase the cost of mould, and the latter then needs large-scale hot-press equipment and causes the change of material surface pattern easily.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby provide a kind of production method of carpet noise insulation pad composite-layer backing material for cars, its manufactured goods have very high adhesive strength, resistant of high or low temperature, resistance to ag(e)ing, anti-good bending, and can effectively improve the adhesiveness on ethylene propylene diene rubber (EPDM) surface.
According to technical scheme provided by the invention, a kind of production method of carpet noise insulation pad composite-layer backing material for cars adopts following processing step:
1, gets ethylene propylene diene rubber face blanket as bonding base material;
2, carry out cotton ginning with pressure roller at ethylene propylene diene rubber face blanket surface bonding region earlier, roll into lines;
3, evenly be coated with neoprene solution then on lines, hang 2～3min, two ethylene propylene diene rubber face blankets applyings that the surface are coated with neoprene solution are integral composite base material; Put into press and pressurize, the pressure that uses 0.01～0.02MPa is to applying position pressurization 10s～30s;
4, the one composite base material after the above-mentioned pressurization is put into again baking oven heating baking temperature, oven temperature is: 130～250 ℃, the heating baking temperature time is: 3～6min; Through cooling forming is finished product.
The glue-spread of neoprene solution of the present invention is: 0.005～0.3mg/mm
2
Chilling temperature of the present invention is 25～35 ℃.
Lines of the present invention is criss-cross, and the lowest part cup depth is about 0.1～1mm in the grid, and grid is the square of the length of side 1～2mm.
The matrix material of utilization of the present invention is the reclaimed materials of ethylene propylene diene rubber (EPDM), is based on the New Times demand of environmental protection and energy saving.Production technology and equipment require simple, have avoided the input of investing in and revising mould repeatedly of main equipment.Manufactured goods have very high resistant of high or low temperature, resistance to ag(e)ing, and anti-good bending, and adhesive strength significantly increases, and maximum peeling strength can arrive 15 times of initial value; Can be used to prepare the composite base material of car carpeting sound insulating pad, have suitable actual benefit.
The specific embodiment
Following the present invention will be further described in conjunction with the embodiments:
Embodiment one: the production method of a kind of carpet noise insulation pad composite-layer backing material for cars of the present invention adopts following processing step:
Ethylene propylene diene rubber face blanket among the present invention is prepared by reclaimed materials, and main component is the EPDM recovery particle from the market purchase, tearing strength＞100N; Bonding agent adopts too Ah Bang DC7000 neoprene solution, and described neoprene solution weight percentage concentration is 40%, and neoprene has certain ductility, and oil resistance and heat resistance are also more outstanding.
Suitably cleaning is clean with ethylene propylene diene rubber (EPDM) face blanket surface water, removes and produces and dust, the grease of surface contamination in transit.Treat that the dried back of moisture evaporation in ethylene propylene diene rubber surface cotton ginning, rolls into lines, lines is criss-cross, needs the bonding region grinder buffing of fitting; Neoprene solution evenly is sprayed on ethylene propylene diene rubber (EPDM) face blanket needs bonding position.Spray glue density is about 69.1g/m in this example
2, the glue-spread of neoprene solution is: 0.005～0.3mg/mm
2Hang 2min, allow its solvent fully volatilize, it is maximum that the cementability of neoprene reaches.After ethylene propylene diene rubber (EPDM) the face blanket of two gluings is fit together, use the pressure of 0.01～0.2MPa that bonding position is added (executing) and press more than the 15s, to get rid of the air between adhesive linkage, guarantee bonding plane good fit all-in-one-piece composite base material.Heat 3min in 180 ℃ baking oven, ethylene propylene diene rubber during taking-up (EPDM) surface temperature reaches 100 ℃, is cooled to 25 ℃ of moulding after the taking-up.Record peel strength and can reach 3.78N/cm, the peel strength of original product only has 0.48N/cm, compares with the original product peel strength and has improved nearly 7 times.
Embodiment two:
When temperature is low as there being the neoprene of certain polarity can only be mainly bonding with Van der Waals force with the EPDM surface.The EPDM that adopts among the present invention is a reclaimed materials, has certain plasticity, but so be heated near after melt temperature or the processing temperature, the long strand in the neoprene adhesive just can penetrate in the middle of the EPDM base material, thereby is expected to increase the cementability of EPDM layer.Adopt identical preparation method of sample in the example one in this example, bonding agent adopts too Ah Bang DC7000 neoprene solution, and described neoprene solution weight percentage concentration is 40%.Spray glue density reaches 70.8g/m approximately
2, the glue-spread of neoprene solution is: 0.005～0.3mg/mm
2Hang 2.5min, allow its solvent fully volatilize, it is maximum that the cementability of neoprene reaches.The pressure that uses 0.01～0.02MPa is adjusted to 220 ℃ to the bonding position 20s that exerts pressure with oven temperature, dries by the fire warm 3min, and the specimen surface temperature is about 130 ℃ during taking-up.The cooling back records its peel strength to 30 ℃ and reaches 4.59N/cm.
Embodiment three:
Adopt identical preparation method of sample in the example one, two in this example, bonding agent adopts too Ah Bang DC7000 neoprene solution, and described neoprene solution weight percentage concentration is 40%.The bonding agent neoprene solution that is mixed with evenly is sprayed on ethylene propylene diene rubber (EPDM) face blanket needs bonding position, and spray glue density is about 69.1g/m in this example
2, the glue-spread of neoprene solution is: 0.005～0.3mg/mm
2Hang 3min, allow its solvent fully volatilize, it is maximum that the cementability of neoprene reaches.After ethylene propylene diene rubber (EPDM) the face blanket of two gluings is fit together, the pressure that uses 0.01～0.02MPa to get rid of the air between adhesive linkage, is guaranteed the good fit of cement plane to the bonding position 25s that exerts pressure.According to time temperature equivalence principle, the time of improving the baking temperature is the same with improving the baking effect that Wen Wendu produced.For energy-conservation and security needs, the stable performance that keeps product at low temperatures simultaneously reduces oven temperature and is necessary.Now will put into 160 ℃ oven temperature through same pretreated EPDM bonding sample, the baking temperature time is increased to 6min, and surface temperature reaches 140 ℃, carries out the adhesive property test after taking-up is cooled to 35 ℃, peel strength can reach 8.10N/cm, near the twice of example two.
Claims (4)
1, a kind of production method of carpet noise insulation pad composite-layer backing material for cars is characterized in that: adopt following processing step:
(1), gets ethylene propylene diene rubber face blanket as bonding base material;
(2), earlier carry out cotton ginning at the surperficial bonding region of ethylene propylene diene rubber face blanket, roll into lines with pressure roller;
(3), then evenly be coated with neoprene solution on lines, hang 2～3min, two ethylene propylene diene rubber face blankets applyings that the surface are coated with neoprene solution are integral; Put into press and pressurize, pressure is 0.01～0.02MPa, applying position pressurization 10s～30s;
(4), the one composite base material after the above-mentioned pressurization is put into baking oven heating baking temperature again, oven temperature is: 130～250 ℃, the heating baking temperature time is: 3～6min; Through cooling and shaping is finished product.
2, the production method of a kind of carpet noise insulation pad composite-layer backing material for cars according to claim 1 is characterized in that the glue-spread of described neoprene solution is: 0.005～0.3mg/mm
2
3, the production method of a kind of carpet noise insulation pad composite-layer backing material for cars according to claim 1 is characterized in that described chilling temperature is 25～35 ℃.
4, the production method of a kind of carpet noise insulation pad composite-layer backing material for cars according to claim 1 is characterized in that described lines is criss-cross, and the lowest part cup depth is 0.1～1mm in the grid, and the grid length of side is 1～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101948754A CN101402273A (en) | 2008-10-22 | 2008-10-22 | Manufacturing method of carpet noise insulation pad composite-layer backing material for cars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101948754A CN101402273A (en) | 2008-10-22 | 2008-10-22 | Manufacturing method of carpet noise insulation pad composite-layer backing material for cars |
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| CN101402273A true CN101402273A (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008101948754A Pending CN101402273A (en) | 2008-10-22 | 2008-10-22 | Manufacturing method of carpet noise insulation pad composite-layer backing material for cars |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659229B (en) * | 2009-09-10 | 2010-12-08 | 无锡吉兴汽车声学部件科技有限公司 | Production method of car trunk carpet |
| CN102218864A (en) * | 2011-05-16 | 2011-10-19 | 安徽南澳地毯有限公司 | Automotive interior decorative part |
| CN102423937A (en) * | 2011-09-10 | 2012-04-25 | 无锡吉兴汽车部件有限公司 | Production method of trunk component of car |
| CN103395275A (en) * | 2013-08-04 | 2013-11-20 | 四川蜀羊防水材料有限公司 | Preparation method of composite deadening felt |
-
2008
- 2008-10-22 CN CNA2008101948754A patent/CN101402273A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659229B (en) * | 2009-09-10 | 2010-12-08 | 无锡吉兴汽车声学部件科技有限公司 | Production method of car trunk carpet |
| CN102218864A (en) * | 2011-05-16 | 2011-10-19 | 安徽南澳地毯有限公司 | Automotive interior decorative part |
| CN102423937A (en) * | 2011-09-10 | 2012-04-25 | 无锡吉兴汽车部件有限公司 | Production method of trunk component of car |
| CN102423937B (en) * | 2011-09-10 | 2014-04-30 | 无锡吉兴汽车部件有限公司 | Production method of trunk component of car |
| CN103395275A (en) * | 2013-08-04 | 2013-11-20 | 四川蜀羊防水材料有限公司 | Preparation method of composite deadening felt |
| CN103395275B (en) * | 2013-08-04 | 2015-05-20 | 四川蜀羊防水材料有限公司 | Preparation method of composite deadening felt |
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Open date: 20090408 |