CN102775687A - Sponge adhesive tape jointed on corners of doors and windows of car, and preparation method thereof - Google Patents
Sponge adhesive tape jointed on corners of doors and windows of car, and preparation method thereof Download PDFInfo
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- CN102775687A CN102775687A CN2012102655901A CN201210265590A CN102775687A CN 102775687 A CN102775687 A CN 102775687A CN 2012102655901 A CN2012102655901 A CN 2012102655901A CN 201210265590 A CN201210265590 A CN 201210265590A CN 102775687 A CN102775687 A CN 102775687A
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Abstract
The invention relates to a sponge adhesive tape jointed on corners of doors and windows of cars and a preparation method of the sponge adhesive tape, and is used for solving the problems that the sponge adhesive tape jointed on corners of doors and windows of cars is weak in stiffness, low in strength and is likely to deform after being stored for a long time. The sponge adhesive tape is prepared by the following components in percentage by weight: 100 parts of ethylene propylene diene monomer, 3-8 parts of zinc oxide, 1 part of steatic acid, 1-3 parts of dispersing agent L-24, 3-8 parts of sulfur ointment, 3-5 parts of polyethylene glycol, 50-80 parts of SRF (semi-reinforcing furnace) level carbon black SP5000, 50-80 parts of paraffin oil, 3-6 parts of composite foaming agent S-537, 3-6 parts of foaming agent AC, 0.5-3 parts of urea foaming assistant K4-P, 0.5-2 parts of sulfur, and 2-4 parts of accelerating agent. With the adoption of the product, the unit strength of the product is reduced, the tightness and touch feeling are enhanced, the strength and stiffness are improved, and meanwhile, the deformation resistance of long-term storage is ensured.
Description
Technical field
The present invention relates to a kind of rubber item, particularly position, automobile door and window turning joint packing adhesive tape and preparation method belong to automobile technical field.
Background technology
The automobile door and window sealing strip major function is sealing, damping and decoration function.Otherness because of vehicle body different sites sheet metal structural; Cause that the automobile door and window sealing strip section is different, the material structure is changeable, and position, automobile door and window turning joint glue bar bonds the different section material exactly, forms complete door and window sealing strip to be used for normal assembling; Final the functional of sealed strip that realize; Reach and prevent to reduce the automobile vibration of positions generations such as door, window under steam, riding comfort and spatter property in the maintenance car in outside objectionable impuritiess such as wind, rain and the dust intrusion car; And the Working environment of sealing position device is improved, working life is able to prolong.Two kinds of technology preparations of existing position, automobile door and window turning joint glue strip adoption, a kind of is the closely knit adhesive tape of soft; Another kind is the sponge adhesive tape.Wherein, the sense of touch of the closely knit adhesive tape of soft own is hard, flowability is poor, quality heavy, and buffering effect is poor when closing of the door, and door closing force is big, is prone to the defective of bad orders such as drift angle, offset and scar in the actual production process.Under identical processing condition, closely knit glue unit intensity is 1.180g/cm
3About.And existing in the industry sponge sizing material; Though the buffering effect in the time of can improving closing of the door reduces door closing force, in order to guarantee flowability and foamed state; Add a large amount of tenderizers in the prescription, cause that the finished product property endured behind the joint is poor, intensity is on the low side, long-time placements is afterwards yielding.
Summary of the invention
The present invention is used to overcome the defective of prior art and a kind of product unit intensity, raising intensity and sense of touch of can obviously reducing is provided, and uses position, on-deformable automobile door and window turning gelatin sponge bar and preparation method thereof for a long time.
The alleged problem of the present invention is solved by following technical scheme:
The sponge adhesive tape that position, a kind of automobile door and window turning engages, its special feature is: said sponge adhesive tape is formed by the feedstock production of following mass parts: 100 parts of terpolymer EP rubbers, 3～8 parts in zinc oxide; 1 part of Triple Pressed Stearic Acid, 1～3 part of dispersion agent L-24,3～8 parts of sulphur ointment; 3～5 parts of polyoxyethylene glycol, 50～80 parts of SRF level carbon black SP5000,50～80 parts of Yellow Protopet 2As; 3～6 parts of complex class whipping agent S-537,3～6 parts of blowing agent ACs, 0.5～3 part of urea class frothing aid K4-P; 0.5～2 part in sulphur, 2～4 parts of promotor.
The sponge adhesive tape that position, above-mentioned automobile door and window turning engages; Said promotor is made up of following materials in parts by mass: 0.5～1.5 part of accelerant B Z, 0.5～1.5 part of captax, 0.1～0.8 part of accelerant CZ; 0.1～0.8 part of accelerant N a-22,0.1～0.8 part of vulkacit D TDM-80.
A kind of method for preparing the sponge adhesive tape of position, above-mentioned automobile door and window turning joint; It comprises batching, mixing, open refining, slice, cool off, park operation; Said mixing operation is at first carried out terpolymer EP rubber, zinc oxide, Triple Pressed Stearic Acid, dispersion agent, sulphur ointment, polyoxyethylene glycol, carbon black and Yellow Protopet 2A mixing in last auxiliary system; Dump temperature is 130～140 ℃, and mixing time is 10～20min, storage period >=8h; Then the gained mixture is carried out two-stage mixing in the 75L Banbury mixer, thin logical 5 times, clot are 5 times in 22 cun mills, park 4h and promptly get said sponge adhesive tape.
The present invention is directed to that existing position, the automobile door and window turning gelatin sponge bar product property endured is poor, intensity is low, long-time placements afterwards yielding problem improve; Through research trial repeatedly; The abandoning tradition technology adopts the high Mooney viscosity rubber to fill the proportioning raw materials of a large amount of Yellow Protopet 2As, is satisfying under the product function property prerequisite, selects the rubber of the high ethylene content of low mooney viscosity for use; Cooperate the use of batchings such as whipping agent, vulcanizing agent, promotor, strengthening agent; When reducing product unit intensity, improving stopping property and sense of touch, improve the intensity of sponge adhesive tape and endured property, guaranteed the nerve of its long-term storage.Product of the present invention is compared with the closely knit adhesive tape of soft, and it is about 50% that density reduces, and compares with existing sponge adhesive tape, and tensile strength is brought up to 1.85MP by 1.55MP; Tear strength is brought up to 11.47KN/M by 9.10KN/M.
Embodiment
Terpolymer EP rubber among the present invention has good weathering resistance, physical and mechanical properties and processing characteristics, is the main glue kind of producing latex foam products at present.Because of filling the singularity of modulus method gelatin sponge technology, require sizing material still for being full of die cavity under the situation of melt state, promptly need sizing material to have good flowability.Traditional technology is to adopt high Mooney viscosity rubber [the chemical K4903 of for example bright Sheng; ML (1+8); 150 ℃: 60] (annotate: mooney viscosity be reflection Rubber processing performance quality and molecular weight just and the variable of distribution range width) fill a large amount of Yellow Protopet 2As; Achieving the above object, but be prone to cause the sex change after the goods short-term is parked.The present invention provides optimization of C through research trial repeatedly, and this prescription promptly guarantees the flowability that rubber unvulcanizate is good, guarantees enough body intensity again, and gas can rest in the middle of the colloid when whipping agent is foamed.Select low mooney viscosity rubber [Mitsui Chemicals X4010, ML (1+4), 100 ℃: 8] in the prescription; Simultaneously, in prescription, use olefin elastomer rubber [Mitsui Chemicals K9720B, (190 ℃ of the MFR of high ethylene content; 2.16KG): 2.0; Ethylene content is 77%], improve the very property of goods, guarantee the nerve of its long-term storage.And auxilliary universal low mooney viscosity rubber [bright and beautiful lake chemistry KEP435, ML (1+4), 125 ℃: 33], three kinds of rubber ratio X4010:K9720B:KEP435=60:17:23.
Sulphur ointment described in the present invention is that wax also adds MO with sulfur bridge, wherein contains free sulphur 2.0%～3.0%, in prescription, improves venting quality and uniform in foaming property, and increases sizing material rebound resilience, tensile strength and compression set performance etc.
Sulphur described in the present invention is SULPHUR POWDER, and its purity >=99% is sneaked into rubber as vulcanizing agent and after heating, can be made between the rubber molecule and produce crosslinkedly, forms tridimensional network, makes sizing material have corresponding physicals.
Zinc oxide described in the present invention, Triple Pressed Stearic Acid and polyoxyethylene glycol form zinc salt as promoting agent in prescription, activation vulcanization system, the cross-linking density and the ageing-resistant performance of raising cross-linked rubber.
SRF level carbon black SP5000 described in the present invention be high structure, LR low reinforcing carbon black (iodine absorption value: 27 ± 4, oil-absorption(number): 120 ± 6) select this carbon black to avoid along with the increasing of consumption, the viscosity of rubber unvulcanizate raises, and causes the difficulty of low densityization.
Urea class frothing aid K4-P, complex class whipping agent S-537 and blowing agent AC described in the present invention is the foaming system in the prescription; Through adding the hierarchical temperature that frothing aid reduces complex class whipping agent S-537 and blowing agent AC; Improve its decomposition rate, to adapt to actual curing temperature and time.Also usefulness through complex class whipping agent S-537 and blowing agent AC makes the over-all properties of whipping agent press close to processing requirement, is controlled at the rate of expansion under the actual curing temperature.
Fill modulus method and prepare gelatin sponge, before die sinking, do not have the problem of foaming, have only the formation of decomposition, polymkeric substance/gas sol system and the complex of whipping agent.Have just after the die sinking that abscess is grown up (foaming), the problem of sponge moulding.Therefore the problem that does not exist expansion rate and vulcanization rate to be complementary is decomposed as long as guarantee sizing material whipping agent before plateau cure fully.Foaming density can be controlled through the mooney viscosity of adjusting sizing material and the consumption of whipping agent; The present invention is through using low mooney viscosity rubber [Mitsui Chemicals X4010; ML (1+4); 100 ℃: 8], the carbon black of LR low reinforcing, high structure and Yellow Protopet 2A control sizing material mooney viscosity be ML (1+4), 125 ℃: about 9.If cross-linked rubber hardness is too high or cross-linking density is too high (high-modulus), foaming agent consumption is too small, can cause that all the sponge foaming effect is bad, goods harden.Simultaneously, require whipping agent to decompose basically at sizing material heat-vulcanized commitment and finish, be full of die cavity when making sizing material still for melt state, sizing material has suitable time of scorch (time of scorch is long more to be prone to be full of die cavity, but the surface is prone to form holes).Present technique adopts urea class frothing aid K4-P, complex class whipping agent S-537 and three kinds of foam materials of blowing agent AC to be used, and can guarantee that enough gas forming amounts have reached the time of sending out.It is vulcanizing agent and the semi effcient vulcanization system that is equipped with accelerator combination that vulcanization system adopts with the Sulfur, guarantees enough time of scorch and sulfurizing time.
In order to obtain the rubber sponge of soft-touch, the present invention adopts lower cross-linked rubber hardness (not adding under the situation of whipping agent) in the mooney viscosity that reduces sizing material, reduces cross-linking density, improves foaming density.Adopt the SRF type furnace treated black SP5000 of medium reinforcing property, take strengthening agent as terpolymer EP rubber, on the basis of proof strength and foaming, the consumption of control Yellow Protopet 2A.
Product density of the present invention is little, in light weight, compares with the closely knit adhesive tape density of soft, and correlation data is following:
| Product density of the present invention | The closely knit adhesive tape density of soft |
| 0.650g/cm 3 | 1.180g/cm 3 |
Product strength of the present invention is high, very act charitably, and compares with existing sponge adhesive tape, and correlation data is following:
| Classification | Tensile strength (MPa) | Tear strength (KN/m) |
| Product of the present invention | 1.85 | 11.47 |
| Existing sponge adhesive tape product | 1.55 | 9.10 |
Below provide several proportioning raw materials embodiment of the present invention:
Embodiment 1, takes by weighing raw material according to following mass parts: 100 parts of terpolymer EP rubbers, 3 parts in zinc oxide, 1 part of Triple Pressed Stearic Acid; 2 parts of dispersion agent L-24,5 parts of sulphur ointment, 3 parts of polyoxyethylene glycol, 50 parts of SRF level carbon black SP5000; 50 parts of Yellow Protopet 2As, 4 parts of complex class whipping agent S-537,3 parts of blowing agent ACs, 3 parts of urea class frothing aid K4-P; 0.5 part in sulphur, 0.5 part of accelerant B Z, 0.5 part of captax; 0.1 part of accelerant CZ, 0.8 part of accelerant N a-22,0.1 part of vulkacit D TDM-80.
Embodiment 2, take by weighing raw material according to following mass parts: 100 parts of terpolymer EP rubbers, 8 parts in zinc oxide, 1 part of Triple Pressed Stearic Acid; 1 part of dispersion agent L-24,8 parts of sulphur ointment, 4 parts of polyoxyethylene glycol, 70 parts of SRF level carbon black SP5000; 80 parts of Yellow Protopet 2As, 6 parts of complex class whipping agent S-537,5 parts of blowing agent ACs, 1 part of urea class frothing aid K4-P; 1 part in sulphur, 1.5 parts of accelerant B Z, 0.7 part of captax; 0.8 part of accelerant CZ, 0.5 part of accelerant N a-22,0.5 part of vulkacit D TDM-80.
Embodiment 3, take by weighing raw material according to following mass parts: 100 parts of terpolymer EP rubbers, 5 parts in zinc oxide, 1 part of Triple Pressed Stearic Acid; 3 parts of dispersion agent L-24,3 parts of sulphur ointment, 5 parts of polyoxyethylene glycol, 80 parts of SRF level carbon black SP5000; 60 parts of Yellow Protopet 2As, 3 parts of complex class whipping agent S-537,6 parts of blowing agent ACs, 0.5 part of urea class frothing aid K4-P; 2 parts in sulphur, 1 part of accelerant B Z, 1.5 parts of captaxs; 0.3 part of accelerant CZ, 0.1 part of accelerant N a-22,0.8 part of vulkacit D TDM-80.
Embodiment 4, take by weighing raw material according to following mass parts: 100 parts of terpolymer EP rubbers, 7 parts in zinc oxide, 1 part of Triple Pressed Stearic Acid; 2.5 parts of dispersion agent L-24,4 parts of sulphur ointment, 4 parts of polyoxyethylene glycol, 65 parts of SRF level carbon black SP5000; 55 parts of Yellow Protopet 2As, 4 parts of complex class whipping agent S-537,4 parts of blowing agent ACs, 1 part of urea class frothing aid K4-P; 2 parts in sulphur, 1 part of accelerant B Z, 1 part of captax; 0.5 part of accelerant CZ, 0.5 part of accelerant N a-22,0.8 part of vulkacit D TDM-80.
Embodiment 5, take by weighing raw material according to following mass parts: 100 parts of terpolymer EP rubbers, 4 parts in zinc oxide, 1 part of Triple Pressed Stearic Acid; 2 parts of dispersion agent L-24,6 parts of sulphur ointment, 3.5 parts of polyoxyethylene glycol, 75 parts of SRF level carbon black SP5000; 75 parts of Yellow Protopet 2As, 5.5 parts of complex class whipping agent S-537,5 parts of blowing agent ACs, 1.5 parts of urea class frothing aid K4-P; 0.8 part in sulphur, 1.2 parts of accelerant B Z, 0.8 part of captax; 0.4 part of accelerant CZ, 0.3 part of accelerant N a-22,0.8 part of vulkacit D TDM-80.
The preparation method of product of the present invention is following:
Batching, mixing, open refining, slice, operation such as cool off, park; It is characterized in that: the terpolymer EP rubber, zinc oxide, Triple Pressed Stearic Acid, dispersion agent, sulphur ointment, polyoxyethylene glycol, carbon black and the Yellow Protopet 2A that will use during said mixing operation will be invented at first carry out mixing in last auxiliary system; Dump temperature is 130～140 ℃; Mixing time is about 10～20min, storage period >=8h; Then the gained mixture is carried out two-stage mixing in the 75L Banbury mixer, thin logical 5 times, clot are 5 times in 22 cun mills, normally use after parking 4h.Conventional Banbury mixer and the mill of using adopted in said Banbury mixer and mill.
Claims (3)
1. the sponge adhesive tape that engages of position, an automobile door and window turning, it is characterized in that: said sponge adhesive tape is formed by the feedstock production of following mass parts: 100 parts of terpolymer EP rubbers, 3～8 parts in zinc oxide; 1 part of Triple Pressed Stearic Acid, 1～3 part of dispersion agent L-24,3～8 parts of sulphur ointment; 3～5 parts of polyoxyethylene glycol, 50～80 parts of SRF level carbon black SP5000,50～80 parts of Yellow Protopet 2As; 3～6 parts of complex class whipping agent S-537,3～6 parts of blowing agent ACs, 0.5～3 part of urea class frothing aid K4-P; 0.5～2 part in sulphur, 2～4 parts of promotor.
2. the sponge adhesive tape that position, automobile door and window according to claim 1 turning engages; It is characterized in that: said promotor is made up of following materials in parts by mass: 0.5～1.5 part of accelerant B Z; 0.5～1.5 part of captax; 0.1～0.8 part of accelerant CZ, 0.1～0.8 part of accelerant N a-22,0.1～0.8 part of vulkacit D TDM-80.
3. the method for the sponge adhesive tape that engages of a position, automobile door and window turning for preparing according to claim 1 or claim 2 is characterized in that: it comprise batching, mixing, open refining, slice, cool off, park operation; Said mixing operation is at first carried out terpolymer EP rubber, zinc oxide, Triple Pressed Stearic Acid, dispersion agent, sulphur ointment, polyoxyethylene glycol, carbon black and Yellow Protopet 2A mixing in last auxiliary system; Dump temperature is 130～140 ℃; Mixing time is 10～20min, storage period >=8h; Then the gained mixture is carried out two-stage mixing in the 75L Banbury mixer, thin logical 5 times, clot are 5 times in 22 cun mills, park 4h and promptly get said sponge adhesive tape.
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| CN201210265590.1A CN102775687B (en) | 2012-07-30 | 2012-07-30 | Sponge adhesive tape jointed on corners of doors and windows of car, and preparation method thereof |
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| CN201210265590.1A CN102775687B (en) | 2012-07-30 | 2012-07-30 | Sponge adhesive tape jointed on corners of doors and windows of car, and preparation method thereof |
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| CN103724830A (en) * | 2013-12-13 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Coated rubber material for automobile door frame sealing strip |
| CN104861314A (en) * | 2015-06-12 | 2015-08-26 | 衡水中铁建工程橡胶有限责任公司 | Microporous rubber base plate and preparation process thereof |
| CN105348655A (en) * | 2015-11-27 | 2016-02-24 | 中国工程物理研究院核物理与化学研究所 | Ethylene-propylene-diene monomer rubber-based microporous foam material and preparation method thereof |
| CN105482271A (en) * | 2015-12-23 | 2016-04-13 | 芜湖馨源海绵有限公司 | Environment-friendly sponge sealing adhesive tape for car windows |
| CN107189233A (en) * | 2017-05-26 | 2017-09-22 | 深圳沃海森科技有限公司 | Environment-protective sealing sponge used for automobile air conditioning and preparation method thereof |
| CN107434886A (en) * | 2016-05-26 | 2017-12-05 | 中国兵器工业集团第五三研究所 | A kind of ethylene propylene diene rubber foaming materials and forming method |
| CN108359180A (en) * | 2018-01-24 | 2018-08-03 | 江苏德瑞博新能源汽车制造有限公司 | A kind of preparation method of vehicle rear window glass sealing sponge adhesive tape |
| CN109627608A (en) * | 2018-12-27 | 2019-04-16 | 江阴海达橡塑股份有限公司 | A kind of automobile molding injection sponge rubber sealing strip |
| CN110437546A (en) * | 2019-08-07 | 2019-11-12 | 潍坊军涛化工有限公司 | A kind of ethylene propylene diene rubber extruded foaming materials and preparation method thereof |
| CN111171464A (en) * | 2020-02-24 | 2020-05-19 | 天津中和胶业股份有限公司 | EPDM foamed car lamp sealing ring material and preparation method thereof |
| CN113444322A (en) * | 2021-06-03 | 2021-09-28 | 瀚德（中国）汽车密封系统有限公司 | Low-temperature-resistant sponge sealing strip and preparation method thereof |
| CN114015166A (en) * | 2021-11-11 | 2022-02-08 | 台州市东电橡塑有限公司 | EPDM rubber foaming material and application |
| CN115197502A (en) * | 2022-09-14 | 2022-10-18 | 诺博橡胶制品有限公司 | Micro-hair-hole glass wool groove sizing material and preparation thereof, and vehicle sealing strip and preparation thereof |
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| CN103724830A (en) * | 2013-12-13 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Coated rubber material for automobile door frame sealing strip |
| CN104861314A (en) * | 2015-06-12 | 2015-08-26 | 衡水中铁建工程橡胶有限责任公司 | Microporous rubber base plate and preparation process thereof |
| CN105348655B (en) * | 2015-11-27 | 2017-11-21 | 中国工程物理研究院核物理与化学研究所 | A kind of ethylene-propylene-diene monomer matrix microporous foamed material and preparation method thereof |
| CN105348655A (en) * | 2015-11-27 | 2016-02-24 | 中国工程物理研究院核物理与化学研究所 | Ethylene-propylene-diene monomer rubber-based microporous foam material and preparation method thereof |
| CN105482271A (en) * | 2015-12-23 | 2016-04-13 | 芜湖馨源海绵有限公司 | Environment-friendly sponge sealing adhesive tape for car windows |
| CN107434886A (en) * | 2016-05-26 | 2017-12-05 | 中国兵器工业集团第五三研究所 | A kind of ethylene propylene diene rubber foaming materials and forming method |
| CN107189233A (en) * | 2017-05-26 | 2017-09-22 | 深圳沃海森科技有限公司 | Environment-protective sealing sponge used for automobile air conditioning and preparation method thereof |
| CN108359180A (en) * | 2018-01-24 | 2018-08-03 | 江苏德瑞博新能源汽车制造有限公司 | A kind of preparation method of vehicle rear window glass sealing sponge adhesive tape |
| CN109627608A (en) * | 2018-12-27 | 2019-04-16 | 江阴海达橡塑股份有限公司 | A kind of automobile molding injection sponge rubber sealing strip |
| CN110437546A (en) * | 2019-08-07 | 2019-11-12 | 潍坊军涛化工有限公司 | A kind of ethylene propylene diene rubber extruded foaming materials and preparation method thereof |
| CN111171464A (en) * | 2020-02-24 | 2020-05-19 | 天津中和胶业股份有限公司 | EPDM foamed car lamp sealing ring material and preparation method thereof |
| CN113444322A (en) * | 2021-06-03 | 2021-09-28 | 瀚德（中国）汽车密封系统有限公司 | Low-temperature-resistant sponge sealing strip and preparation method thereof |
| CN114015166A (en) * | 2021-11-11 | 2022-02-08 | 台州市东电橡塑有限公司 | EPDM rubber foaming material and application |
| CN115197502A (en) * | 2022-09-14 | 2022-10-18 | 诺博橡胶制品有限公司 | Micro-hair-hole glass wool groove sizing material and preparation thereof, and vehicle sealing strip and preparation thereof |
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