CN103194155A - Automobile door glass guide groove seal bar adhesive material and applications thereof - Google Patents
Automobile door glass guide groove seal bar adhesive material and applications thereof Download PDFInfo
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- CN103194155A CN103194155A CN2013101536558A CN201310153655A CN103194155A CN 103194155 A CN103194155 A CN 103194155A CN 2013101536558 A CN2013101536558 A CN 2013101536558A CN 201310153655 A CN201310153655 A CN 201310153655A CN 103194155 A CN103194155 A CN 103194155A
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Abstract
The invention discloses an automobile door glass guide groove seal bar adhesive material and applications thereof. Crude adhesive with high mooney viscosity and low ethylene content is adopted as a main raw material; a great quantity of high-structure fillers and high-flash-point paroline are added, and semi-effective vulcanized system vulcanized by sulphur is matched, so that the heated contraction rate of seal bar materials is controlled to be within 1%. The conventional physical performance of seal bars can meet the performance requirement of automobile door glass guide groove seal bars on materials, and the secondary baking step required in the subsequent process of the existing seal bars is omitted, so that energy sources are saved, and the waste caused by scrappage for poor size is eradicated. The adhesive material provided by the invention is used for preparing the automobile door glass guide groove seal bars, and is further applied to automobile doors and automobiles.
Description
Technical field
The invention belongs to the rubber technology field, be specifically related to a kind of automobile door glass guide groove sealing strip sizing material and uses thereof.
Background technology
The automobile door glass guide groove is requisite building block in automobile window glass and the jacking system thereof, it is installed on the slip track of automobile door glass lifting, glass is played support, guiding, damping and shock absorption, otherness because of car door panel beating different sites structure, cause automobile door glass guide groove different section material structure changeable, need to use joint packing bar sizing material that the different section material is bondd, and its surperficial wear resistance directly influences the stationarity of lifting glass for vehicle window, in order to improve wear resistance, can carry out spray-on coating to the corner surface after engaging and handle.
In the prior art, the production technique of automobile door glass guide groove comprises: extrude → vulcanize → spray → solidify → cool off → slightly cut out → park → secondary baking → park → spraying → angle, smart sanction → joint → bight is sprayed and is solidified → park → check → pack.Product must carry out the angle spray according to corresponding processing condition and solidify after carrying out the bight spraying, to guarantee coating rapid drying, curing.But the rubber material is heated simultaneously in the process of solidifying, and can produce shrinking effect, causes the final dimension of sealed strip to shorten at last, causes two sealed strip materials that connect between the angle can't satisfy the car load assembling because size is too short, scraps in a large number thereby produce.Solidify the contraction problem that the back occurs in order to overcome the rubber material through the angle spray, available technology adopting is carried out secondary baking to it, so that sealed strip material size solidifies extruding material through after parking.And then carry out later stage operations such as smart sanction, joint, bight spraying and curing.But, need in the aforesaid method repeatedly the sealed strip material to be vulcanized, namely can cause the sulfuration of sealed strip in the secondary baking process, this process very easily causes the overvulcanize of sealed strip, causes the performance of sealed strip sharply to descend.Simultaneously, increase the energy consumption of secondary baking and the space that the sealed strip material has enough to meet the need, parks.
Rubber itself has two kinds of performances of viscosity and elasticity concurrently as a kind of viscoelastic material.In extrusion process, in the head of sealed strip sizing material at forcing machine, flow, under the effect of screw rod thrust, flow to a mouthful gold, the rubbing effect of head mouth gold internal surface and sealed strip sizing material flows with very big resistance for the sealed strip sizing material, make the sealed strip sizing material when the mouth gold is extruded, produce distortion, this is out of shape existing viscous deformation flexible distortion again, that is to say that leaving mouthful rubber of gold exists because the internal stress that recoverable deformation causes is certainly existing stress relaxation phenomenon.Simultaneously, obtain sulfuration in order to make rubber, need to use tractor that rubber is drawn in the truck for vulcanlzing pan, the linear velocity of tractor is faster than forcing machine extruded velocity, and such longitudinal stretching distortion also can cause recoverable deformation, also must exist stress relaxation phenomenon.And stress relaxation needs a process, if there is not external influence, this process can continue several days even the longer time.If do not control this stress relaxation phenomenon so, behind the rubber cut-to-length, this stress relaxation process does not still finish, still can proceed, cause the shortening of the rubber length in the following process process behind the cut-to-length, influence the final dimension of sealed strip, cause two sealed strip materials that connect between the angle can't satisfy the car load assembling because size is too short, scrap in a large number thereby produce.
Why existing automobile door glass guide groove is through the contraction problem occurring after the spray curing of angle, its basic reason is the closely knit glue prescription in straight line position, though satisfy conventional physicals requirement, but shrinking percentage average out to 2.54%, in actual production, need adopt the method for secondary baking to accelerate contraction process to the rubber material, avoid the sealed strip material dimensional change after the angle spray is solidified, cause product rejection.Wherein, sealed strip sizing material shrinking percentage refers to that rubber item sulfuration back takes out the difference of the size that the is cooled to normal temperature cavity dimension corresponding with goods in the die cavity with the per-cent of rubber item specified size.
Summary of the invention
The technical problem to be solved in the present invention, provide a kind of automobile door glass guide groove sealing strip sizing material and uses thereof, adopting high Mooney viscosity, low ethylene content rubber is main body, add a large amount of high structured packings and high flash point paraffin oil, and be equipped with the semi effcient vulcanization system of sulfur cross-linking, be subjected to percent thermal shrinkage control in 1% the sealed strip material; The conventional physicals of this sizing material satisfies the automobile door glass guide groove to the performance requriements of material, and then can cancel adhesive tape required secondary baking operation in following process, therefore can save the energy, stops existing sizing material scrapping because of the bad generation of size.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of automobile door glass guide groove sealing strip sizing material, count it by weight and comprise following composition:
20～80 parts of 60～90 parts of terpolymer EP rubber K8550, terpolymer EP rubber K4869,
8～15 parts of active zinc flowers, 2 parts of stearic acid,
2～5 parts of dispersion agent L-24,2～5 parts of polyoxyethylene glycol,
60～160 parts of FEF level carbon black N550,60～160 parts of SRF level carbon black N774,
20～80 parts of light calcium carbonates, 20～80 parts of active strengthening agent Great-E1,
50～80 parts of paraffin oil R-2291,8～15 parts of moisture adsorbents,
0.2～0.8 part of scorch retarder, 0.5～2.0 part in sulphur,
3～6 parts of promotor.
As a kind of restriction of the present invention, described promotor comprises accelerant B Z, altax, TM monex TD, promotor TRA and vulkacit D TDM-80; Wherein,
1.0～2.0 parts of accelerant B Z, 0.5～1.5 part of altax, 0.1～0.8 part of TM monex TD,
0.1～0.8 part of promotor TRA, 0.5～1.5 part of vulkacit D TDM-80.
The present invention passes through to reduce the sealed strip sizing material when baking from rubber, filler, paraffin oil and vulcanization system aspect, elastic deformation and the crosslinked stress that produces because taking place in sealed strip sizing material inside, in sealed strip sizing material process of cooling, stress is tending towards eliminating, reduce stress relaxation process phenomenon, make the linear dimension of goods shrink minimizing, make a concrete analysis of as follows:
1) rubber
Terpolymer EP rubber is to be the elastocopolymer that base monomer is polymerized with ethene, propylene, thus in the multipolymer ethene, propylene proportion of composing and form the processing characteristics and the physicals that distribute to terpolymer EP rubber and play conclusive effect.In general, the rubber trade mark that ethylene content is more high more can give goods better physicals, and can improve the resistance toheat of goods, and the sealed strip sizing material also can keep higher physicals when thermal ageing; But, raising along with ethylene content, goods thermo-sensitivity is increased, both more responsive to variation of temperature, especially when ethylene content surpasses 65%, the tendency of its crystallinity, particularly low temperature crystallization can be quite obvious, and the sealed strip material stress relaxation that causes using the terpolymer EP rubber of high ethylene content to prepare like this is subjected to envrionment temperature more serious.
Therefore, the present invention is when selecting the rubber label, selected the terpolymer EP rubber K8550 of low ethylene content and terpolymer EP rubber K4869 to carry out and used, compare with the rubber trade mark of traditional low mooney viscosity, high ethylene content or filled polyethylene, namely avoid the increase of ethylene content or the contraction of poly existence aggravation sealed strip material, also can increase the loading level of filler and oil plant, and then reduce the stress relaxation process of sealed strip material.
2) filler
Reinforced filling is used for can not only improving the intensity of rubber item, and improving the processing characteristics of sealed strip sizing material, and give goods good physicals in the middle of the rubber, can prolong the work-ing life of goods.Non-reinforced filling is used in the middle of the rubber, and main rising filled compatibilization, and some kind also has isolation, the demoulding or painted effect concurrently.Shrink for rubber, guaranteeing under the constant prerequisite of hardness, by improving the consumption of filler, alleviate or eliminates the rubber macromolecule chain network, in the course of processing, be extruded the recoverable deformation phenomenon of distortion, distortion, winding formation.
Therefore the present invention selects the carbon black N774 based on high structure, LR low reinforcing half reinforcement when selecting carbon black, and cooperate fast extrusion carbon black N550 to guarantee the intensity of goods, simultaneously, on the basis that guarantees physicals, use a large amount of white filler light calcium carbonate and active strengthening agent Great-E1 in the prescription, the use of above filler is compared with the simple fast carbon black N550 of extrusion and the white filler light calcium carbonate of using in the existing technology, more can reduce the shrinking percentage of rubber.
3) paraffin oil
The low molecule volatile matter that exists in the sealed strip sizing material is wrapped in the cross-linked rubber, in sulfidation, macromolecular chain is extruded distortion, twists, is wrapped in the cross-linked rubber, this moment is along with the rising of temperature, low molecular compound vapors away gradually, be extruded the macromolecular chain generation elastic memory of distortion, distortion, winding, restore to the original state gradually, the vulcanized article internal structure is readjusted.When outside temperature constantly raises, or during time lengthening, above-mentioned adjustment degree is more and more abundant.
Therefore the present invention selects high flash point paraffin oil R-2291 (its flash-point is 261 ℃) when selecting paraffin oil, compare flash-point with the paraffin oil (its flash-point is 210 ℃) of existing use and improve about 50 ℃, in present expressing technique, the curing temperature that uses is up under 250 ℃ the condition and reduces the volatilization of lower-molecular substance, and then reduces the process of the recovery of elasticity of sealed strip material.
4) vulcanization system
Enough cross-linking densities can form suitable cross-linked network structure, can effectively control the stress relaxation that rubber causes because of recoverable deformation like this.Therefore the present invention's employing when selecting vulcanization system is vulcanizing agent with sulphur and is equipped with sulfur-donor vulkacit D TDM-80, TM monex TD and promotor TRA, is aided with the semi effcient vulcanization system of accelerant B Z, altax simultaneously; Compare with existing technology, the use of sulphur and sulfur-donor promotor provides rubber enough cross-linking densities, the space of network structure by compression, namely guarantee enough time of scorch and sulfurizing time, can reduce rubber again because of the stress relaxation that recoverable deformation causes, shrinking percentage is reduced.
In sum, terpolymer EP rubber K8550(60～90 of the present invention by adopting low ethylene content part) with terpolymer EP rubber K4869(20～80 part) both carry out and with being main body, add high structure, LR low reinforcing semi-reinforcing hydrocarbon black N774(60～160 parts) be main reinforced filling, and cooperate the fast carbon black N550(60～160 parts of extruding) guarantee the intensity of goods, simultaneously, on the basis that guarantees physicals, the white filler light calcium carbonate (20～80 parts) that the interior use of prescription is a large amount of and active strengthening agent Great-E1(20～80 parts).Employing is vulcanizing agent with sulphur (0.5～2 part) and is equipped with sulfur-donor vulkacit D TDM-80(0.5～1.5 parts), TM monex TD(0.1～0.8 part) and promotor TRA(0.1～0.8 part), be aided with accelerant B Z(1.0～2.0 part simultaneously), the semi effcient vulcanization system of altax (0.5～1.5 part), be subjected to percent thermal shrinkage control about 0.7% the sealed strip material.
The present invention also provides a kind of purposes of above-mentioned automobile door glass guide groove sealing strip sizing material, and it is used for the processing automobile door glass guide groove sealing strip.
As a kind of restriction of the present invention, above-mentioned automobile door glass guide groove sealing strip sizing material is used for the method for processing automobile door glass guide groove sealing strip to carry out according to the following steps order:
Extrude → vulcanize → spray → solidify → cool off → slightly cut out → park → spraying → angle, smart sanction → joint → bight is sprayed and is solidified → park → check → pack.
As the further restriction of above-mentioned restriction, described extrusion step is carried out according to the following steps order:
Feeding → extrude → microwave vulcanization → three section hot-air vulcanization → cooling → the beat sign indicating number → first traction → surface treatment → spraying → warm air curing → cooling → air-dry → second traction → severing → collect → put in storage.
As the further restriction of above-mentioned restriction, the microwave vulcanization temperature of described microwave vulcanization step is 245～255 ℃;
Temperature is respectively in described three sections hot-air vulcanization steps: first section hot-air vulcanization temperature is 245～255 ℃, and second section hot-air vulcanization temperature is 230～250 ℃, and the 3rd section hot-air vulcanization temperature is 230～250 ℃;
The pulling speed of first traction is 5.9～6.1m/min;
The pulling speed of second traction is 6.3～6.5m/min.
Above processing parameter is bigger to the dimensional stability influence of sealed strip, and under same condition, the temperature of these two stations of microwave vulcanization and hot-air vulcanization is more high, and the shrinking percentage of material is more big.
Simultaneously, need to use the belt traction machine in the extrusion, guarantee the serialization production of sealed strip product, but its use can cause stretching, generation tensile stress to the sealed strip material, bigger to sealed strip quality (dimensional stability) influence.
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art, obtained technical progress is:
It is main body that sizing material of the present invention adopts high Mooney viscosity, low ethylene content rubber, adds a large amount of high structured packings and high flash point paraffin oil, and is equipped with the semi effcient vulcanization system of sulfur cross-linking, and the percent thermal shrinkage that is subjected to of sealed strip material is controlled in 1%.Simultaneously, the conventional physicals of sealed strip can satisfy the automobile door glass guide groove to the performance requriements of material, and then realize reducing existing sizing material sealed strip processed needed secondary baking operation in following process, so can save the energy, can stop scrapping because of the bad generation of size.
Sizing material of the present invention is applicable to the preparation of automobile door glass guide groove sealing strip, is applied to further on arrangements for automotive doors and the automobile.
The present invention is described in further detail below in conjunction with specific embodiment.
Embodiment
Embodiment 1
A kind of automobile door glass guide groove sealing strip sizing material, count its raw material by weight and comprise following composition:
40 parts of 80 parts of terpolymer EP rubber K8550, terpolymer EP rubber K4869,
10 parts of active zinc flowers, 2 parts of stearic acid, 3 parts of dispersion agent L-24,3 parts of polyoxyethylene glycol,
110 parts of FEF level carbon black N550,70 parts of SRF level carbon black N774,50 parts of light calcium carbonates,
50 parts of active strengthening agent Great-E1,70 parts of paraffin oil R-2291,8 parts of moisture adsorbents,
0.3 part of scorch retarder, 1.45 parts in sulphur, 1.5 parts of accelerant B Z, 0.8 part of altax,
0.4 part of 0.4 part of TM monex TD, promotor TRA, 1.2 parts of vulkacit D TDM-80.
During the above-mentioned raw materials of this sizing material is formed, terpolymer EP rubber K8550 by adopting low ethylene content and terpolymer EP rubber K4869 carries out and with being main body, add high structure, LR low reinforcing semi-reinforcing hydrocarbon black N774 is main reinforced filling, and cooperate fast extrusion carbon black N550 to guarantee the intensity of goods, simultaneously, on the basis that guarantees physicals, use a large amount of white filler light calcium carbonate and active strengthening agent Great-E1 in the prescription.Employing is vulcanizing agent with sulphur and is equipped with sulfur-donor vulkacit D TDM-80, TM monex TD and promotor TRA, is aided with the semi effcient vulcanization system of accelerant B Z, altax simultaneously, and the percent thermal shrinkage that is subjected to of sealed strip material is controlled about 0.7%.
The above-mentioned automobile door glass guide groove sealing strip sizing material of present embodiment is used to the processing automobile door glazing tape, and working method is carried out according to the following steps order:
Extrude → vulcanize → spray → solidify → cool off → slightly cut out → park → spraying → angle, smart sanction → joint → bight is sprayed and is solidified → park → check → pack.This working method has compared with prior art just been omitted and originally has been located at thick sanction and adds the secondary baking of parking after the operation and add and park operation.
Expressing technique described in the above-mentioned procedure of processing carries out according to the following steps order:
Feeding → extrude → microwave vulcanization → three section hot-air vulcanization → cooling → the beat sign indicating number → first traction → surface treatment → spraying → warm air curing → cooling → air-dry → second traction → severing → collect → put in storage.
The technical parameter of above-mentioned extrusion step is as follows:
The microwave vulcanization temperature of described microwave vulcanization step is 245 ℃;
Temperature is respectively in described three sections hot-air vulcanization steps: first section hot-air vulcanization temperature is 245 ℃, and second section hot-air vulcanization temperature is 230 ℃, and the 3rd section hot-air vulcanization temperature is 230 ℃;
The pulling speed of first traction is 5.9m/min;
The pulling speed of second traction is 6.3m/min.
Above processing parameter is bigger to the dimensional stability influence of sealed strip, and under same condition, the temperature of these two stations of microwave vulcanization and hot-air vulcanization is more high, and the shrinking percentage of material is more big.
Simultaneously, need to use the belt traction machine in the extrusion, guarantee the serialization production of sealed strip product, but its use can cause stretching, generation tensile stress to the sealed strip material, bigger to the influence of the dimensional stability in the sealed strip quality.
Present embodiment adopt respectively sizing compound formula of the prior art and prior art working method (calling method 1 in the following text), adopt automobile door glass guide groove sealing strip sizing material that embodiment provides and the working method (calling method 2 in the following text) of prior art, these two kinds of prepared sealed strips of method have the process of secondary baking in the course of processing, and this process has a significant impact for the shrinking percentage tool of prepared sealed strip, therefore with processing parameter related in the secondary baking, influence to shrinking percentage under different situations compares, and the result is as follows:
(1) temperature is 200 ℃ in the stove of secondary baking, and heating the temperature inside the box is 300 ℃, when storing time is 6min, and method 1 prepared sealed strip and method 2 prepared sealed strips, the result is as follows respectively:
| The sealed strip life size (mm) that method 1 makes | Size behind the secondary baking (mm) | Shrink size (mm) | Shrinking percentage (%) |
| 935 | 911 | 24 | 2.54% |
| 934 | 911 | 23 | 2.50% |
| 933 | 909 | 24 | 2.58% |
| 935 | 911 | 24 | 2.57% |
| 934 | 911 | 23 | 2.51% |
| On average | ? | ? | 2.54% |
| The sealed strip life size (mm) that method 2 makes | Size behind the secondary baking (mm) | Shrink size (mm) | Shrinking percentage (%) |
| 935 | 924 | 11 | 1.18% |
| 934 | 924 | 10 | 1.07% |
| 933 | 921 | 12 | 1.29% |
| 935 | 925 | 10 | 1.07% |
| 934 | 923 | 11 | 1.18% |
| On average | 1.16% |
(2) temperature is 200 ℃ in the stove of secondary baking, and heating the temperature inside the box is 300 ℃, when storing time is 10min, and method 1 prepared sealed strip and method 2 prepared sealed strips, the result is as follows respectively:
| The sealed strip life size (mm) that method 1 makes | Size behind the secondary baking (mm) | Shrink size (mm) | Shrinking percentage (%) |
| 934 | 910 | 24 | 2.60% |
| 933 | 908 | 25 | 2.63% |
| 931 | 906 | 25 | 2.70% |
| 934 | 909 | 25 | 2.65% |
| 936 | 911 | 25 | 2.71% |
| On average | ? | ? | 2.66% |
| The sealed strip life size (mm) that method 2 makes | Size behind the secondary baking (mm) | Shrink size (mm) | Shrinking percentage (%) |
| 934 | 919 | 15 | 1.61% |
| 933 | 919 | 14 | 1.50% |
| 931 | 921 | 10 | 1.07% |
| 934 | 921 | 13 | 1.39% |
| 936 | 921 | 15 | 1.60% |
| On average | 1.44% |
(3) temperature is 200 ℃ in the stove of secondary baking, and heating the temperature inside the box is 400 ℃, when storing time is 10min, and method 1 prepared sealed strip and method 2 prepared sealed strips, the result is as follows respectively:
| The sealed strip life size (mm) that method 1 makes | Size behind the secondary baking (mm) | Shrink size (mm) | Shrinking percentage (%) |
| 935 | 909 | 26 | 2.83% |
| 935 | 908 | 27 | 2.85% |
| 935 | 908 | 27 | 2.90% |
| 934 | 907 | 27 | 2.93% |
| 934 | 907 | 27 | 2.87% |
| On average | ? | ? | 2.88% |
| The sealed strip life size (mm) that method 2 makes | Size behind the secondary baking (mm) | Shrink size (mm) | Shrinking percentage (%) |
| 935 | 919 | 16 | 1.71% |
| 935 | 919 | 16 | 1.71% |
| 935 | 917 | 18 | 1.93% |
| 934 | 918 | 16 | 1.71% |
| 934 | 917 | 17 | 1.82% |
| On average | 1.78% |
Show that by above-mentioned test the secondary baking step is very big for the shrinking percentage influence of sealed strip, after the rising of the temperature in the heating container and storing time prolongation, all can make its shrinking percentage obviously become big, and the working method that the automobile door glass guide groove sealing strip sizing material that the employing present embodiment provides and present embodiment provide, save after the secondary baking step, the shrinking percentage of prepared sealed strip is all in 1%.
Embodiment 2-7
Embodiment 2-7 is respectively a kind of automobile door glass guide groove sealing strip sizing material, and the kind that each raw material of implementing is formed is identical with embodiment's 1, and difference only is the difference of used parts by weight, shown in the table specific as follows:
The above-mentioned automobile door glass guide groove sealing strip sizing material that embodiment 2-7 provides all have the purposes for the processing automobile door glass guide groove sealing strip, and working method is all identical with embodiment 1.
Claims (6)
1. automobile door glass guide groove sealing strip sizing material,
It is characterized in thatCount its raw material by weight and comprise following composition:
20～80 parts of 60～90 parts of terpolymer EP rubber K8550, terpolymer EP rubber K4869,
8～15 parts of active zinc flowers, 2 parts of stearic acid,
2～5 parts of dispersion agent L-24,2～5 parts of polyoxyethylene glycol,
60～160 parts of FEF level carbon black N550,60～160 parts of SRF level carbon black N774,
20～80 parts of light calcium carbonates, 20～80 parts of active strengthening agent Great-E1,
50～80 parts of paraffin oil R-2291,8～15 parts of moisture adsorbents,
0.2～0.8 part of scorch retarder, 0.5～2.0 part in sulphur,
3～6 parts of promotor.
2. automobile door glass guide groove sealing strip sizing material according to claim 1,
It is characterized in that:Described promotor comprises accelerant B Z, altax, TM monex TD, promotor TRA and vulkacit D TDM-80;
Wherein, 1.0～2.0 parts of accelerant B Z, 0.5～1.5 part of altax, 0.1～0.8 part of TM monex TD,
0.1～0.8 part of promotor TRA, 0.5～1.5 part of vulkacit D TDM-80.
3. a kind of purposes of automobile door glass guide groove sealing strip as claimed in claim 1 or 2,
It is characterized in that:It is used for the processing automobile door glass guide groove sealing strip.
4. the purposes of automobile door glass guide groove sealing strip sizing material according to claim 3,
It is characterized in thatIt is used for the method for processing automobile door glass guide groove sealing strip and carries out according to the following steps order:
Extrude → vulcanize → spray → solidify → cool off → slightly cut out → park → spraying → angle, smart sanction → joint → bight is sprayed and is solidified → park → check → pack.
5. the purposes of automobile door glass guide groove sealing strip sizing material according to claim 4,
It is characterized in that:Described extrusion step is carried out according to the following steps order:
Feeding → extrude → microwave vulcanization → three section hot-air vulcanization → cooling → the beat sign indicating number → first traction → surface treatment → spraying → warm air curing → cooling → air-dry → second traction → severing → collect → put in storage.
6. the purposes of automobile door glass guide groove sealing strip sizing material according to claim 5,
It is characterized in that:The microwave vulcanization temperature of described microwave vulcanization step is 245～255 ℃;
Temperature is respectively in described three sections hot-air vulcanization steps: first section hot-air vulcanization temperature is 245～255 ℃, and second section hot-air vulcanization temperature is 230～250 ℃, and the 3rd section hot-air vulcanization temperature is 230～250 ℃;
The pulling speed of first traction is 5.9～6.1m/min;
The pulling speed of second traction is 6.3～6.5m/min.
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| CN201310153655.8A CN103194155B (en) | 2013-04-28 | 2013-04-28 | Glass guide groove sealing strip of automotive sizing material and uses thereof |
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| CN109370065A (en) * | 2018-10-15 | 2019-02-22 | 浙江仙通橡塑股份有限公司 | A kind of weather strip for automobile rubber compound of one-step method continuous mixing and preparation method thereof |
| CN109401074A (en) * | 2018-09-19 | 2019-03-01 | 武汉东海敏实汽车零部件有限公司 | A kind of preparation method of the high volume resistance substrate rubber water slitting of high rigidity |
| CN109438856A (en) * | 2018-09-19 | 2019-03-08 | 武汉东海敏实汽车零部件有限公司 | A kind of high rigidity low pressure becomes the preparation method of substrate rubber water slitting |
| CN109456541A (en) * | 2018-09-19 | 2019-03-12 | 武汉东海敏实汽车零部件有限公司 | A kind of preparation method of the high volume resistance robber cement slitting of soft |
| CN109503956A (en) * | 2018-09-19 | 2019-03-22 | 武汉东海敏实汽车零部件有限公司 | A kind of low rigidity, low becomes the preparation method of robber cement slitting |
| CN115386172A (en) * | 2022-09-23 | 2022-11-25 | 江西奋发科技有限公司 | High-performance low-compression-set ethylene propylene diene monomer sealing rubber strip |
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| CN106867117A (en) * | 2017-02-28 | 2017-06-20 | 保定威奕汽车有限公司 | Sealing strip is rubber-coated and its preparation method and door weather strip and its preparation method |
| CN107418061A (en) * | 2017-05-27 | 2017-12-01 | 保定威奕汽车有限公司 | Door weather strip sponge foaming sizing material and its preparation method and door weather strip and its preparation method |
| CN107189241A (en) * | 2017-07-12 | 2017-09-22 | 安徽凯密克企业管理咨询有限公司 | A kind of production technology of weather strip for automobile |
| CN107663342A (en) * | 2017-08-31 | 2018-02-06 | 保定威奕汽车有限公司 | Sealing strip coats sizing material and its preparation method and door weather strip and its preparation method |
| CN109401074A (en) * | 2018-09-19 | 2019-03-01 | 武汉东海敏实汽车零部件有限公司 | A kind of preparation method of the high volume resistance substrate rubber water slitting of high rigidity |
| CN109438856A (en) * | 2018-09-19 | 2019-03-08 | 武汉东海敏实汽车零部件有限公司 | A kind of high rigidity low pressure becomes the preparation method of substrate rubber water slitting |
| CN109456541A (en) * | 2018-09-19 | 2019-03-12 | 武汉东海敏实汽车零部件有限公司 | A kind of preparation method of the high volume resistance robber cement slitting of soft |
| CN109503956A (en) * | 2018-09-19 | 2019-03-22 | 武汉东海敏实汽车零部件有限公司 | A kind of low rigidity, low becomes the preparation method of robber cement slitting |
| CN109370065A (en) * | 2018-10-15 | 2019-02-22 | 浙江仙通橡塑股份有限公司 | A kind of weather strip for automobile rubber compound of one-step method continuous mixing and preparation method thereof |
| CN115386172A (en) * | 2022-09-23 | 2022-11-25 | 江西奋发科技有限公司 | High-performance low-compression-set ethylene propylene diene monomer sealing rubber strip |
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Effective date of registration: 20181220 Address after: 072550 Chaoyang North Street (Xu) 299, Xushui District, Baoding City, Hebei Province Patentee after: Baoding Norbo Auto Parts Co., Ltd. Address before: No. 2266 Chaoyang South Street, Baoding City, Hebei Province, 071000 Patentee before: Changcheng Automobile Co., Ltd. |
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Address after: 072550 Chaoyang North Street (Xu) 299, Xushui District, Baoding City, Hebei Province Patentee after: Nuo Bo rubber Co., Ltd Address before: 072550 Chaoyang North Street (Xu) 299, Xushui District, Baoding City, Hebei Province Patentee before: Baoding Norbo Auto Parts Co., Ltd. |
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