CN104893139A - Soundproof and smoke eliminating sealing PVC strip and preparation method therefor - Google Patents
Soundproof and smoke eliminating sealing PVC strip and preparation method therefor Download PDFInfo
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- CN104893139A CN104893139A CN201510133695.5A CN201510133695A CN104893139A CN 104893139 A CN104893139 A CN 104893139A CN 201510133695 A CN201510133695 A CN 201510133695A CN 104893139 A CN104893139 A CN 104893139A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present application discloses a soundproof and smoke eliminating sealing PVC strip and a preparation method therefor. The method comprises: weighing out the following materials in parts by weight: PVC, tribasic lead sulfate, ferric oxide powder, dibasic lead phosphite, zinc stearate, organic montmorillonite, a plasticizer, ferrocene, lead stearate, tricresyl phosphate, a flame retardant, CPE, calcium carbonate, dioctyl sebacate and paraffin; mixing the substances; extruding the mixture to perform tab-pulling and granulation. The oxygen index is 32-34%, and the elongation at break is 280-320%; the tensile strength is 20-30 MPa, and the cold resistance ensures that cracking does not occur at the temperature of minus 30 DEG C; and the Shore hardness is 58-62, the tear strength is 15-35 kN/m, and the compression set is 25-45%.
Description
Technical field
The application belongs to PVC material preparation field, particularly relates to a kind of PVC sound insulation smoke elimination sealed strip and preparation method thereof.
Background technology
PVC sealed strip adopts the once shaped of microwave vulcanization technique, any surface finish is attractive in appearance, there is good elasticity and incompressible distortion, the excellent properties such as Weather-resistant, resistance to ozone, chemically-resistant effect and wider use temperature scope (-40 DEG C ~+120 DEG C), by production widespread uses such as automobile door and window curtain walls, decabromodiphenyl oxide and antimonous oxide, as fire retardant, form through fully mixing plasticizing granulation.The gas pipe physical and mechanical properties Danone PE-80 level water service pipe standard of producing by this PP Pipe Compound, antistatic property, flame retardant properties reach the standard-required of Ministry of Coal Industry MT558.1-2005.Consider that ageing-resistant, oil resistant, heat-resisting, resistance to combustion, resistance to daylight, resistance to ozone, acid and alkali-resistance are resistance to, chemical-resistant reagent, the performance requriements such as fire-retardant, generally adopt chloroprene rubber, ethylene-propylene rubber(EPR), silicon rubber, sizing material manufacture that natural-neoprene-ageing-resistant performance such as butylbenzene blend rubber, rubber and plastic sizing material is excellent.Manufacture method extrusion moulding continuous sulfurizing, extruding, forming and vulcanization tank sulfuration method or molded vulcanization method.
Sealed strip is sealed by a kind of thing, makes to be not easy to open (Hebei Guang Te rubber item company limited), sealed strip, has paper, metal, various material.From the eighties, sealed strip (Rubber Seal strip) is successively applied to the various industries such as automobile, door and window, rack, refrigerator, freight container, according to the requirement of different industries, successively have developed the products such as distinctive weather strip for automobile, mechanical seal bar, door and window sealing strip.Wider door and window of new generation applied in recent years by plastic-steel door and window sealed strip, and its more common door and window sealing strip has better preservative property, weathering resistance, noise reduction effect of heat insulation.Plastic-steel door and window sealed strip any surface finish, not only has excellent water-tight performance, also plays a part attractive, decorative.In selection, the producer that general requirement is higher all selects terpolymer EP rubber or thermoplasticity terpolymer EP rubber.The salient features of Ethylene Propylene Terpolymer (EPDM) product: product is nontoxic, environmental protection, ageing-resistant high temperature resistant, stable performance, summer, winter all can keep good performance.Be mainly used in, on car door door leaf doorframe, side vehicle window, front and back windshield, hood and luggage-boot lid, playing the effect of waterproof and dustproof, sound insulation, thermal insulation, damping, decoration.The rubber hinge for installing storage room door of passenger car can also be produced.Unique formulating of recipe makes EPT rubber packing bar have superior anti-aging, high-low temperature resistant and chemically-resistant medicine medicine performance, there is good elasticity and incompressible deformability, life-time service can not chap or be out of shape, and can maintain its original high sealing performance between-50 degree are to 120 degree.Adhesive tape Section Design, the experience of the aspects such as system synthesis design ensure that good waterproof and dustproof, sound insulation, thermal insulation, cushioning effect.Sealed strip is easy for installation, solid and reliable, dodge gate switch is light.Automobile rubber seal strip adoption cold feed extruder extrusion moulding, extruder head has single-head, compound (two compound and many compounds) head and shears head.Wherein, the screw slenderness ratio of microwave vulcanization forcing machine is generally 16, and the screw slenderness ratio shearing head sulfuration forcing machine is greater than 20.The rubber weather strip work in-process that cold feed extruder is extruded adopt the sulfuration of endless vulcanization technique, vulcanization has microwave vulcanization, shears head sulfuration, salt bath vulcanization and fluidized bed vulcanization (also known as vulcanization bed sulfuration, heating medium is the glass microballon of middle 0.1-0.2 mm, temperature is 250 DEG C), hot-air vulcanization (being only applicable to silastic sealing strip) and high velocity, hot air sulfuration (air velocity is 120kmh-1, and temperature is 400 DEG C).High velocity, hot air sulfuration is because heat transfer rate is slow, heating installation energy consumption high (3 times of microwave vulcanization heating installation, 5 times of shearing head vulcanizing equipment).
The elastomeric material of weather strip for automobile has closely knit glue, gelatin sponge and vulcanite three kinds.The hardness of vulcanite can reach shore A95.Ageing-resistant, low temperature resistant, the resistance to aqueous vapor of the more use of sizing material of sealed strip, resistance to chemical attack, the terpolymer EP rubber (EPDM) of particularly resistance to ozone ageing.EPDM can with the compound such as steel band, braided steel wire band, TPE, flannelette, flocking, PU coating, organic silicon coating, ensure car room with extraneous and self waterproof and dustproof, sound insulation, heat insulation, vibration damping, abrasionproof and decoration function.Generally EPDM sealed strip Absorbable organic halogens uses the more than ten years.Also the chloroprene rubber (CR) with good ozone resistance and good ageing-resistant performance can be selected.Consider the processing performance of conventional sizing material, sometimes also need to select blend rubber, if natural rubber (NR) and CR and styrene-butadiene rubber(SBR) (SBR) three kinds of rubber blendings or polyethylene (PE), EPDM and NR rubber and plastic type are to improve ozone resistance.In recent years, along with development and the maturation of thermoplastic elastomer (TPE) technology, Application Areas is constantly expanded.In the starting material manufacturing sealed strip, the main raw material(s) terpolymer EP rubber in the past adopted is also in continuous renewal and development.There is excellent physicals, have again the new E PDM of excellent machinability can control long chain branching in molecule, make its curability better, and the output of extruded velocity and product can be improved.Novel thermoplastic elastomer is applied as materials such as TPO and TPV and is also got more and more in weather strip for automobile.These materials had both had elastomeric excellent engineering performance, had again the good characteristic of plastics, both convenient processing, and recyclable recycling again, these materials progressively replace EPDM goods.Weather strip for automobile mainly by have favorable elasticity and incompressible distortion, ageing-resistant, ozone, chemical action, wider use temperature scope (-40 DEG C ~+120 DEG C) terpolymer EP rubber (EPDM) rubber pange and to be closely knitly composited, include unique metal fixture and ligulate button, sturdy and durable, be beneficial to installation.
Stopping property is an important indicator of vehicle complete vehicle quality, one of the important spare part of this index quality and weather strip for automobile product is resolved just, it is widely used in the vehicle body positions such as windscreen before and after automobile, car door, vehicle window, initiation cabin, boot, fill up the gap between car body component, there is the functions such as damping, waterproof and dustproof, sound insulation, decoration, maintenance effect is played to driver and conductor and car load.The classification of weather strip for automobile product has various ways, and title, data kind, complex document quantity, performance characteristics etc. usually according to device position (parts) usually will stop classification.Title classification wherein according to device position (parts) is the most frequently used mode, and it comprises initiates sealed strip, side window sealed strip, Foof weather strip, covering for roofs sealed strip, boot (luggage) sealed strip etc. inside and outside cabin sealed strip, front and rear windows sealed strip, door frame sealed strip, door weather strip, glass guide way of vehicle door sealed strip, bottom of door dust excluder, car door windowsill.At present, weather strip for automobile industry consumption number of the enterprise is numerous, and scope is less, is also difficult to formation scope weather, differs greatly with the enterprise of external similar tens yuan of volumes that stop doing business easily.Meanwhile, along with the recovery gradually of international economy, the demand for exports amount of weather strip for automobile also can increase year by year, bursts out after baptism in the market of weather strip for automobile industry blowout formula in 2009 in experience, will welcome one period of fast open duration of an exhibition.The particularly beginning second half year from 2009, Ge great weather strip for automobile enterprise obviously feels the famine of production capacity own, numerous and complicatedly identifies oneself with in the middle of the ranks of enhancing production capacities, and the time have activated weather strip for automobile device fabrication enterprise, hold the equipment order of handle greatly in hand, feel more the difficult and important of friendship phase.But, promoting the time-division of production capacity, necessarily can not just think of solution Most Urgent at the moment, and the key elements such as progressive work rate of consumption, increased quality, product configurations promotion, technical progress should be separated, the comprehensive production capacity of General Promotion enterprise.Need not doubt, Chinese Auto Industry restructuring is trend of the times, and as the weather strip for automobile enterprise in automotive industry industrial chain downstream, its merging and reorganization is also unavoidable, as long as also like this, domestic weather strip for automobile enterprise ability is run business big and strong.First, the weather strip for automobile consumption enterprise resources advantage can applied each other stops whole merger to form cluster advantage, grows the strength of enterprise, secondly, weather strip for automobile consumption enterprise provides for car load is supporting to serve, and go in the R&D process that must get involved in car load product, as long as ability produces the understanding more deepened to weather strip for automobile product like this, the weather strip for automobile product researched and developed just has more specific aim, ability makes the yield and quality amount of the further satisfactory weather strip for automobile of automobile main frame maker: the 3rd, the theme of environmental protection also should be coiled in weather strip for automobile consumption enterprise, with stop between upstream and downstream firms generally cooperating, advance new data, novel process, the application of new technology, and the industrial chain of weather strip for automobile industry is extended with this.And universal along with humanity concept, and the formation of novel harmonious society, designs that a kind of shore hardness is high, stretch breaking strength and the high PVC sound insulation smoke elimination sealed strip of elongation rate of tensile failure and preparation method thereof is very important.
Summary of the invention
the technical problem solved:
The application, for above-mentioned technical problem, provides a kind of PVC sound insulation smoke elimination sealed strip and preparation method thereof, solves the technical problems such as existing PVC shore hardness, stretch breaking strength and elongation rate of tensile failure are low.
technical scheme:
A kind of PVC sound insulation smoke elimination sealed strip, the raw materials by weight portion proportioning of described PVC sound insulation smoke elimination sealed strip is as follows: PVC100 part; Tribasic lead sulfate 1-3 part; Brown iron oxide 80-100 part; Dibasic lead phosphite 0.5-2.5 part; Zinic stearas 0.5-2.5 part; Organo montmorillonite 3-7 part; Softening agent 40-60 part; Ferrocene 0.5-2.5 part; Lead stearate 2-8 part; Tritolyl Phosphate is 8-12 part; Fire retardant 0.3-0.7 part; CPE is 15-25 part; Calcium carbonate 50-70 part; Dioctyl sebacate 15-35 part; Paraffin is 1-5 part.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described PVC sound insulation smoke elimination sealed strip is as follows: PVC100 part; Tribasic lead sulfate 1.5-2.5 part; Brown iron oxide 85-95 part; Dibasic lead phosphite 1-2 part; Zinic stearas 1-2 part; Organo montmorillonite 4-6 part; Softening agent 45-55 part; Ferrocene 1-2 part; Lead stearate 3-7 part; Tritolyl Phosphate is 9-11 part; Fire retardant 0.4-0.6 part; CPE is 18-22 part; Calcium carbonate 55-65 part; Dioctyl sebacate 20-30 part; Paraffin is 2-4 part.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described PVC sound insulation smoke elimination sealed strip is as follows: PVC100 part; Tribasic lead sulfate 2 parts; Brown iron oxide 90 parts; Dibasic lead phosphite 1.5 parts; Zinic stearas 1.5 parts; Organo montmorillonite 5 parts; 50 parts, softening agent; Ferrocene 1.5 parts; Lead stearate 5 parts; Tritolyl Phosphate is 10 parts; Fire retardant 0.5 part; CPE is 20 parts; 60 parts, calcium carbonate; Dioctyl sebacate 25 parts; Paraffin is 3 parts.
As a preferred technical solution of the present invention: described softening agent adopts DOP or epoxy soybean oil.
As a preferred technical solution of the present invention: described fire retardant adopts antimonous oxide or zinc borate.
As a preferred technical solution of the present invention: the preparation method of described PVC sound insulation smoke elimination sealed strip, comprises the steps:
The first step: take PVC, tribasic lead sulfate, brown iron oxide, dibasic lead phosphite, Zinic stearas, organo montmorillonite, softening agent, ferrocene, lead stearate, Tritolyl Phosphate, fire retardant, CPE, calcium carbonate, dioctyl sebacate and paraffin according to parts by weight proportioning;
Second step: PVC, tribasic lead sulfate, brown iron oxide, dibasic lead phosphite and Zinic stearas are dropped in reactor and is heated to 40-60 DEG C, stir 5-25min;
3rd step: add surplus stock, rotating speed is 200-400r/min, and temperature is 60-80 DEG C, stirs 10-30min;
4th step: mixed material is dropped in twin screw extruder and extrudes, extrusion temperature 100 DEG C, 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C and 190 DEG C, screw speed 30-50r/min.
beneficial effect:
A kind of PVC sound insulation smoke elimination sealed strip of the present invention and preparation method thereof adopts above technical scheme compared with prior art, has following technique effect: 1, product oxygen index 32-34%, elongation at break 280-320%; 2, tensile strength 20-30MPa, does not split at winter hardiness-30 DEG C; 3, shore hardness 58-62, tear strength 15-35kN/m; 4, compression set 25-45%, the widespread production not division of history into periods can replace current material.
Embodiment
embodiment 1:
PVC100 part is taken according to parts by weight proportioning; Tribasic lead sulfate 1 part; Brown iron oxide 80 parts; Dibasic lead phosphite 0.5 part; Zinic stearas 0.5 part; Organo montmorillonite 3 parts; Epoxy soybean oil 40 parts; Ferrocene 0.5 part; Lead stearate 2 parts; Tritolyl Phosphate is 8 parts; Zinc borate 0.3 part; CPE is 15 parts; 50 parts, calcium carbonate; Dioctyl sebacate 15 parts; Paraffin is 1 part.
PVC, tribasic lead sulfate, brown iron oxide, dibasic lead phosphite and Zinic stearas are dropped in reactor and be heated to 40 DEG C, stir 5min, add surplus stock, rotating speed is 200r/min, and temperature is 60 DEG C, stirs 10min.
Mixed material is dropped in twin screw extruder and extrudes, extrusion temperature 100 DEG C, 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C and 190 DEG C, screw speed 30r/min.
Oxygen index 32%, elongation at break 280%; Tensile strength 20MPa, does not split at winter hardiness-30 DEG C; Shore hardness 58, tear strength 15kN/m, compression set 45%.
embodiment 2:
PVC100 part is taken according to parts by weight proportioning; Tribasic lead sulfate 3 parts; Brown iron oxide 100 parts; Dibasic lead phosphite 2.5 parts; Zinic stearas 2.5 parts; Organo montmorillonite 7 parts; Epoxy soybean oil 60 parts; Ferrocene 2.5 parts; Lead stearate 8 parts; Tritolyl Phosphate is 12 parts; Zinc borate 0.7 part; CPE is 25 parts; 70 parts, calcium carbonate; Dioctyl sebacate 35 parts; Paraffin is 5 parts.
PVC, tribasic lead sulfate, brown iron oxide, dibasic lead phosphite and Zinic stearas are dropped in reactor and be heated to 60 DEG C, stir 25min, add surplus stock, rotating speed is 400r/min, and temperature is 80 DEG C, stirs 30min.
Mixed material is dropped in twin screw extruder and extrudes, extrusion temperature 100 DEG C, 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C and 190 DEG C, screw speed 50r/min.
Oxygen index 32%, elongation at break 290%; Tensile strength 22MPa, does not split at winter hardiness-30 DEG C; Shore hardness 59, tear strength 20kN/m, compression set 40%.
embodiment 3:
PVC100 part is taken according to parts by weight proportioning; Tribasic lead sulfate 1.5 parts; Brown iron oxide 85 parts; Dibasic lead phosphite 1 part; Zinic stearas 1 part; Organo montmorillonite 4 parts; DOP45 part; Ferrocene 1 part; Lead stearate 3 parts; Tritolyl Phosphate is 9 parts; Zinc borate 0.4 part; CPE is 18 parts; 55 parts, calcium carbonate; Dioctyl sebacate 20 parts; Paraffin is 2 parts.
PVC, tribasic lead sulfate, brown iron oxide, dibasic lead phosphite and Zinic stearas are dropped in reactor and be heated to 45 DEG C, stir 10min, add surplus stock, rotating speed is 250r/min, and temperature is 65 DEG C, stirs 15min.
Mixed material is dropped in twin screw extruder and extrudes, extrusion temperature 100 DEG C, 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C and 190 DEG C, screw speed 35r/min.
Oxygen index 33%, elongation at break 300%; Tensile strength 25MPa, does not split at winter hardiness-30 DEG C; Shore hardness 60, tear strength 25kN/m, compression set 35%.
embodiment 4:
PVC100 part is taken according to parts by weight proportioning; Tribasic lead sulfate 2.5 parts; Brown iron oxide 95 parts; Dibasic lead phosphite 2 parts; Zinic stearas 2 parts; Organo montmorillonite 6 parts; DOP55 part; Ferrocene 2 parts; Lead stearate 7 parts; Tritolyl Phosphate is 11 parts; Antimonous oxide 0.6 part; CPE is 22 parts; 65 parts, calcium carbonate; Dioctyl sebacate 30 parts; Paraffin is 4 parts.
PVC, tribasic lead sulfate, brown iron oxide, dibasic lead phosphite and Zinic stearas are dropped in reactor and be heated to 55 DEG C, stir 20min, add surplus stock, rotating speed is 350r/min, and temperature is 75 DEG C, stirs 25min.
Mixed material is dropped in twin screw extruder and extrudes, extrusion temperature 100 DEG C, 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C and 190 DEG C, screw speed 45r/min.
Oxygen index 33%, elongation at break 310%; Tensile strength 27MPa, does not split at winter hardiness-30 DEG C; Shore hardness 61, tear strength 30kN/m, compression set 30%.
embodiment 5:
PVC100 part is taken according to parts by weight proportioning; Tribasic lead sulfate 2 parts; Brown iron oxide 90 parts; Dibasic lead phosphite 1.5 parts; Zinic stearas 1.5 parts; Organo montmorillonite 5 parts; DOP50 part; Ferrocene 1.5 parts; Lead stearate 5 parts; Tritolyl Phosphate is 10 parts; Antimonous oxide 0.5 part; CPE is 20 parts; 60 parts, calcium carbonate; Dioctyl sebacate 25 parts; Paraffin is 3 parts.
PVC, tribasic lead sulfate, brown iron oxide, dibasic lead phosphite and Zinic stearas are dropped in reactor and be heated to 50 DEG C, stir 15min, add surplus stock, rotating speed is 300r/min, and temperature is 70 DEG C, stirs 20min.
Mixed material is dropped in twin screw extruder and extrudes, extrusion temperature 100 DEG C, 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C and 190 DEG C, screw speed 40r/min.
Oxygen index 34%, elongation at break 320%; Tensile strength 30MPa, does not split at winter hardiness-30 DEG C; Shore hardness 62, tear strength 35kN/m, compression set 25%.
Composition all components in above embodiment all can business be bought.
Above-described embodiment is just for setting forth content of the present invention, instead of restriction, and any change therefore in the implication suitable with claims of the present invention and scope, all should think to be included in the scope of claims.
Claims (6)
1. a PVC sound insulation smoke elimination sealed strip, is characterized in that the raw materials by weight portion proportioning of described PVC sound insulation smoke elimination sealed strip is as follows: PVC100 part; Tribasic lead sulfate 1-3 part; Brown iron oxide 80-100 part; Dibasic lead phosphite 0.5-2.5 part; Zinic stearas 0.5-2.5 part; Organo montmorillonite 3-7 part; Softening agent 40-60 part; Ferrocene 0.5-2.5 part; Lead stearate 2-8 part; Tritolyl Phosphate is 8-12 part; Fire retardant 0.3-0.7 part; CPE is 15-25 part; Calcium carbonate 50-70 part; Dioctyl sebacate 15-35 part; Paraffin is 1-5 part.
2. a kind of PVC sound insulation smoke elimination sealed strip according to claim 1, is characterized in that described PVC sound insulation smoke elimination sealed strip raw materials by weight portion proportioning is as follows: PVC100 part; Tribasic lead sulfate 1.5-2.5 part; Brown iron oxide 85-95 part; Dibasic lead phosphite 1-2 part; Zinic stearas 1-2 part; Organo montmorillonite 4-6 part; Softening agent 45-55 part; Ferrocene 1-2 part; Lead stearate 3-7 part; Tritolyl Phosphate is 9-11 part; Fire retardant 0.4-0.6 part; CPE is 18-22 part; Calcium carbonate 55-65 part; Dioctyl sebacate 20-30 part; Paraffin is 2-4 part.
3. a kind of PVC sound insulation smoke elimination sealed strip according to claim 1, is characterized in that the raw materials by weight portion proportioning of described PVC sound insulation smoke elimination sealed strip is as follows: PVC100 part; Tribasic lead sulfate 2 parts; Brown iron oxide 90 parts; Dibasic lead phosphite 1.5 parts; Zinic stearas 1.5 parts; Organo montmorillonite 5 parts; 50 parts, softening agent; Ferrocene 1.5 parts; Lead stearate 5 parts; Tritolyl Phosphate is 10 parts; Fire retardant 0.5 part; CPE is 20 parts; 60 parts, calcium carbonate; Dioctyl sebacate 25 parts; Paraffin is 3 parts.
4. a kind of PVC sound insulation smoke elimination sealed strip according to claim 1, is characterized in that: described softening agent adopts DOP or epoxy soybean oil.
5. a kind of PVC sound insulation smoke elimination sealed strip according to claim 1, is characterized in that: described fire retardant adopts antimonous oxide or zinc borate.
6. a preparation method for PVC sound insulation smoke elimination sealed strip described in claim 1, is characterized in that, comprise the steps:
The first step: take PVC, tribasic lead sulfate, brown iron oxide, dibasic lead phosphite, Zinic stearas, organo montmorillonite, softening agent, ferrocene, lead stearate, Tritolyl Phosphate, fire retardant, CPE, calcium carbonate, dioctyl sebacate and paraffin according to parts by weight proportioning;
Second step: PVC, tribasic lead sulfate, brown iron oxide, dibasic lead phosphite and Zinic stearas are dropped in reactor and is heated to 40-60 DEG C, stir 5-25min;
3rd step: add surplus stock, rotating speed is 200-400r/min, and temperature is 60-80 DEG C, stirs 10-30min;
4th step: mixed material is dropped in twin screw extruder and extrudes, extrusion temperature 100 DEG C, 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C and 190 DEG C, screw speed 30-50r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510133695.5A CN104893139A (en) | 2015-03-26 | 2015-03-26 | Soundproof and smoke eliminating sealing PVC strip and preparation method therefor |
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| CN201510133695.5A CN104893139A (en) | 2015-03-26 | 2015-03-26 | Soundproof and smoke eliminating sealing PVC strip and preparation method therefor |
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| CN104893139A true CN104893139A (en) | 2015-09-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106751137A (en) * | 2016-11-23 | 2017-05-31 | 安徽美腾特种电缆材料有限公司 | A kind of automobile-used PVC sealing strips and preparation method thereof |
-
2015
- 2015-03-26 CN CN201510133695.5A patent/CN104893139A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106751137A (en) * | 2016-11-23 | 2017-05-31 | 安徽美腾特种电缆材料有限公司 | A kind of automobile-used PVC sealing strips and preparation method thereof |
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Application publication date: 20150909 |