CN105713298A - Low-lead flame-retardant material for corrugated pipes for vehicles, and preparation method and application thereof - Google Patents
Low-lead flame-retardant material for corrugated pipes for vehicles, and preparation method and application thereof Download PDFInfo
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- CN105713298A CN105713298A CN201610251486.5A CN201610251486A CN105713298A CN 105713298 A CN105713298 A CN 105713298A CN 201610251486 A CN201610251486 A CN 201610251486A CN 105713298 A CN105713298 A CN 105713298A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Abstract
The invention discloses a low-lead flame-retardant material for corrugated pipes for vehicles. The low-lead flame-retardant material is prepared from the following raw materials in parts by weight: 70-100 parts of polypropylene, 30-50 parts of talcum powder, 2-5 parts of black master batch, 1-2 parts of coupling agent, 5-8 parts of compatilizer, 15-30 parts of flame retardant, 3-5 parts of impact modifier, 3-5 parts of organic clay nano reinforced elastomer composite material, 1-3 parts of lubricant and 1-3 parts of antioxidant. The invention also discloses a preparation method of the low-lead flame-retardant material for corrugated pipes for vehicles. The low-lead flame-retardant material has the advantages of excellent flame retardancy, excellent mechanical properties and very low lead content.
Description
Technical field
The invention belongs to automobile-used Bellows Technology field, particularly relate to a kind of for the low plumbous fire proofing of automobile-used corrugated tube, its preparation method and application.
Background technology
Polypropylene, due to the processability of its excellence, chemical resistance and mechanical strength, is widely used in motor bellows.But, polypropylene itself very easily burns.The corrugated tube of some automotive wire bundles protection at present; vehicle can produce substantial amounts of heat in the process of moving; for preventing vehicle to be in operation owing to corrugated tube generates heat; or vehicle accident causes burning; and give out the plumbous material being unfavorable for that healthy amount is high; affect health, it is necessary to develop the corrugated tube material that the low lead of a kind of environmental protection is fire-retardant.
Being in the consideration of cost and performance, current majority of case fire retardant used of going to the factory is mainly phosphorus-nitrogen systems or bromo-sb system, particularly bromo-sb system.Containing lead oxide in the antimony oxide used in bromo-sb system, although EU criteria can be met containing antimony fire proofing under normal circumstances, but some internationally famous major companies have all formulated the standard more tightened up than ROHS now, BOSH company of Germany is necessarily less than 2ppm with regard to regulation lead content, and this is that manufacture of materials producer is extremely difficult to.
Summary of the invention
The weak point that it is an object of the invention to overcome prior art to exist and provide a kind of low plumbous fire proofing for automobile-used corrugated tube, the low plumbous fire proofing of the present invention not only has excellent anti-flammability and mechanical performance, and lead tolerance is extremely low.
The technical solution used in the present invention is: a kind of low plumbous fire proofing for automobile-used corrugated tube, raw material including following weight portion: polypropylene 70～100 parts, Pulvis Talci 30～50 parts, black masterbatch 2～5 parts, coupling agent 1～2 part, compatilizer 5～8 parts, fire retardant 15～30 parts, impact modifier 3～5 parts, organic clay nano strengthens elastic composite 3～5 parts, lubricant 1～3 part and 1～3 part of antioxidant.
Preferably, described coupling agent is the mixture of epoxy resin and VTES, and wherein, the mass ratio of epoxy resin and VTES is 1:3～5.
Preferably, described compatilizer is the mixture of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate, and wherein the mass ratio of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate is: 5～7:2～3:3～5.
Preferably, described fire retardant is formed by for three-(tribromophenoxy)-triazine and auxiliary flame retardant that mass ratio is 2～4:1, auxiliary flame retardant is mass ratio is the mixture of the antimony oxide of 2～4:0.5～0.8:1.6～2.0:0.5～0.8:1.8～2.5, aluminium oxide, silicon dioxide, chromic oxide and titanium oxide, wherein, antimony oxide is the lead content low plumbous antimony oxide at below 50ppm.Such antimony oxide can commercially buy.
More preferably, described fire retardant is formed by for tribromophenoxy triazine and auxiliary flame retardant that mass ratio is 3:1, auxiliary flame retardant is mass ratio is the mixture of the antimony oxide of 3:0.8:1.6:0.5:2.5, aluminium oxide, silicon dioxide, chromic oxide and titanium oxide, wherein, antimony oxide is the lead content low plumbous antimony oxide at below 50ppm.
The auxiliary flame retardant of the present invention is by selecting properly mixed antimony oxide, aluminium oxide, silicon dioxide, chromic oxide and titanium oxide, it is possible not only to the consumption of saving three-(tribromophenoxy)-triazine, reduce cost, also can improve the fire resistance of material.
Preferably, it is organic clay/POE nano composite material that described organic clay nano strengthens elastic composite, and wherein, organic clay accounts for the 1%～3% of organic clay/POE nano composite material gross weight.
When in organic clay/POE nano composite material, the weight content of organic clay is 1%～3%, when by External Force Acting, organic clay and POE can produce good synergism, and material structure is not susceptible to destroy, and is conducive to improving the mechanical property of material；But when clay content is excessive, organic clay can produce to assemble at material internal, becomes stress and concentrates thing, and material is prone to produce at the clay particles place of gathering to destroy, and makes hot strength and the impact strength decreased of material.
Preferably, described impact modifier is the blend of polarity TPE and EPDM, and wherein, the weight percent content of polarity TPE is 3%～5%.
Inventor have found that polarity TPE and EPDM has coordination plasticizing effect, compared to being used alone EPDM, can further enhance the impact flexibility of material, particularly when the weight percent content of polarity TPE is 3%～5%, the impact flexibility of prepared material is more preferably.
Preferably, described lubricant is calcium stearate；Described antioxidant is the compound system of Hinered phenols primary antioxidant and phosphorous acid esters auxiliary antioxidant.
Preferably, the described low plumbous fire proofing for automobile-used corrugated tube includes the raw material of following weight portion: polypropylene 100 parts, Pulvis Talci 40 parts, black masterbatch 5 parts, coupling agent 1.5 parts, compatilizer 6 parts, fire retardant 12 parts, impact modifier 4 parts, organic clay nano strengthens elastic composite 4 parts, lubricant 2 parts and 2 parts of antioxidant.
The preparation method that present invention also offers the described low plumbous fire proofing for automobile-used corrugated tube, comprises the following steps:
1) by described raw material Homogeneous phase mixing, compound is obtained；
2) by step 1) compound that obtains adds single spiral shell or double; two spiral shell extruder extrusion, and control the temperature of extruder at 180-230 DEG C, through melt blending, extrusion, cover half, water-cooled, prepare described low plumbous fire proofing.
Present invention also offers the described low plumbous fire proofing for automobile-used corrugated tube and protect the application in corrugated tube at automotive wire bundle.
Relative to prior art, the invention have the benefit that
The low plumbous fire proofing intensity for automobile-used corrugated tube of the present invention is high, heat-resist, and bending modulus is up to more than 1000MPa, and deformation temperature is up to more than 48 DEG C；
The low plumbous fire proofing for automobile-used corrugated tube of the present invention has good anti-flammability low temperature properties, and shock resistance destructiveness is excellent；Simultaneously good economy performance, formed product is stable, shrinkage factor is little, less than 1.5 ‰；Good welding performance, installation is convenient, can accomplish hermetically sealed.
The corrugated tube that the low plumbous fire proofing for automobile-used corrugated tube of the present invention prepares is after room temperature and ageing-resistant (through 120 DEG C of X50Hr, 120 DEG C of X100Hr), up to from self-extinguishment in fire 5s；
The heat-resisting extensibility of corrugated tube that the low plumbous fire proofing for automobile-used corrugated tube of the present invention prepares is good, and dumbbell shaped test piece joins 160 DEG C, 150 DEG C, in the high-temperature cabinet of 140 DEG C, measure elongation percentage and reach the time of 50%, be made heat-resisting life curve with these data of 3, meet with 100 DEG C of X5000hr；The benchmark requirement of 120 DEG C of X1000hr；
After the corrugated tube that the low plumbous fire proofing for automobile-used corrugated tube of the present invention prepares meets low-temperature impact-40 DEG C/24hr, the phenomenons such as corrugated tube does not rupture, damaged；
The corrugated tube that the low plumbous fire proofing for automobile-used corrugated tube of the present invention prepares has good deformability: size changing rate less than 1%；
The chemical reagent such as the corrugated tube petrol-resistance prepared for the low plumbous fire proofing of automobile-used corrugated tube of the present invention and coolant, cleaning mixture, battery fluid, lubricating oil, lam-oil.
Detailed description of the invention
For better illustrating the object, technical solutions and advantages of the present invention, below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
A kind of low plumbous fire proofing for automobile-used corrugated tube, raw material including following weight portion: polypropylene 70 parts, Pulvis Talci 30 parts, black masterbatch 2 parts, coupling agent 1.5 parts, compatilizer 5 parts, fire retardant 18 parts, impact modifier 3 parts, organic clay nano strengthens elastic composite 3 parts, lubricant 2 parts and 2 parts of antioxidant；
Described coupling agent is the mixture of epoxy resin and VTES, and wherein, the mass ratio of epoxy resin and VTES is 1:4；
Described compatilizer is the mixture of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate, and wherein the mass ratio of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate is 5:2:3；
Described fire retardant is formed by for three-(tribromophenoxy)-triazine and auxiliary flame retardant that mass ratio is 2:1, auxiliary flame retardant is mass ratio is the mixture of the antimony oxide of 2:0.5:1.8:0.7:1.8, aluminium oxide, silicon dioxide, chromic oxide and titanium oxide, wherein, antimony oxide is the lead content low plumbous antimony oxide at below 50ppm；
It is organic clay/POE nano composite material that described organic clay nano strengthens elastic composite, and wherein, organic clay accounts for the 1% of organic clay/POE nano composite material gross weight；
Described impact modifier is the blend of polarity TPE and EPDM, and wherein, the weight percent content of polarity TPE is 3%；
Described lubricant is calcium stearate；Described antioxidant is the compound system of Hinered phenols primary antioxidant 1010 and phosphorous acid esters auxiliary antioxidant 168.
The preparation method of the low plumbous fire proofing for automobile-used corrugated tube of the present embodiment, comprises the following steps:
1) by described raw material Homogeneous phase mixing, compound is obtained；
2) by step 1) compound that obtains adds single spiral shell or double; two spiral shell extruder extrusion, and control the temperature of extruder at 180-230 DEG C, through melt blending, extrusion, cover half, water-cooled, prepare described low plumbous fire proofing.
Embodiment 2
A kind of low plumbous fire proofing for automobile-used corrugated tube, raw material including following weight portion: polypropylene 90 parts, Pulvis Talci 40 parts, black masterbatch 4 parts, coupling agent 1 part, compatilizer 6 parts, fire retardant 15 parts, impact modifier 4 parts, organic clay nano strengthens elastic composite 4 parts, lubricant 1 part and 1 part of antioxidant；
Described coupling agent is the mixture of epoxy resin and VTES, and wherein, the mass ratio of epoxy resin and VTES is 1:5；
Described compatilizer is the mixture of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate, and wherein the mass ratio of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate is 6:2.5:4；
Described fire retardant is formed by for three-(tribromophenoxy)-triazine and auxiliary flame retardant that mass ratio is 3:1, auxiliary flame retardant is mass ratio is the mixture of the antimony oxide of 3:0.8:1.6:0.5:2.5, aluminium oxide, silicon dioxide, chromic oxide and titanium oxide, wherein, antimony oxide is the lead content low plumbous antimony oxide at below 50ppm；
It is organic clay/POE nano composite material that described organic clay nano strengthens elastic composite, and wherein, organic clay accounts for the 2% of organic clay/POE nano composite material gross weight；
Described impact modifier is the blend of polarity TPE and EPDM, and wherein, the weight percent content of polarity TPE is 4%；
Described lubricant is calcium stearate；Described antioxidant is the compound system of Hinered phenols primary antioxidant 1010 and phosphorous acid esters auxiliary antioxidant 168.
The preparation method of the low plumbous fire proofing for automobile-used corrugated tube of the present embodiment is with embodiment 1.
Embodiment 3
A kind of low plumbous fire proofing for automobile-used corrugated tube, raw material including following weight portion: polypropylene 100 parts, Pulvis Talci 50 parts, black masterbatch 5 parts, coupling agent 2 parts, compatilizer 8 parts, fire retardant 30 parts, impact modifier 5 parts, organic clay nano strengthens elastic composite 5 parts, lubricant 3 parts and 3 parts of antioxidant；
Described coupling agent is the mixture of epoxy resin and VTES, and wherein, the mass ratio of epoxy resin and VTES is 1:3；
Described compatilizer is the mixture of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate, and wherein the mass ratio of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate is 7:3:5；
Described fire retardant is formed by for three-(tribromophenoxy)-triazine and auxiliary flame retardant that mass ratio is 4:1, auxiliary flame retardant is mass ratio is the mixture of the antimony oxide of 3:0.6:1.6:0.7:2, aluminium oxide, silicon dioxide, chromic oxide and titanium oxide, wherein, antimony oxide is the lead content low plumbous antimony oxide at below 50ppm；
It is organic clay/POE nano composite material that described organic clay nano strengthens elastic composite, and wherein, organic clay accounts for the 3% of organic clay/POE nano composite material gross weight；
Described impact modifier is the blend of polarity TPE and EPDM, and wherein, the weight percent content of polarity TPE is 5%；
Described lubricant is calcium stearate；Described antioxidant is the compound system of Hinered phenols primary antioxidant 1010 and phosphorous acid esters auxiliary antioxidant 168.
The preparation method of the low plumbous fire proofing for automobile-used corrugated tube of the present embodiment is with embodiment 1.
Embodiment 4
A kind of low plumbous fire proofing for automobile-used corrugated tube, raw material including following weight portion: polypropylene 100 parts, Pulvis Talci 40 parts, black masterbatch 5 parts, coupling agent 1.5 parts, compatilizer 6 parts, fire retardant 12 parts, impact modifier 4 parts, organic clay nano strengthens elastic composite 4 parts, lubricant 2 parts and 2 parts of antioxidant；
Described coupling agent is the mixture of epoxy resin and VTES, and wherein, the mass ratio of epoxy resin and VTES is 1:4.5；
Described compatilizer is the mixture of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate, and wherein the mass ratio of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate is 6:3:4；
Described fire retardant is formed by for three-(tribromophenoxy)-triazine and auxiliary flame retardant that mass ratio is 3:1, auxiliary flame retardant is mass ratio is the mixture of the antimony oxide of 3:0.8:1.6:0.5:2.5, aluminium oxide, silicon dioxide, chromic oxide and titanium oxide, wherein, antimony oxide is the lead content low plumbous antimony oxide at below 50ppm；
It is organic clay/POE nano composite material that described organic clay nano strengthens elastic composite, and wherein, organic clay accounts for the 2% of organic clay/POE nano composite material gross weight；
Described impact modifier is the blend of polarity TPE and EPDM, and wherein, the weight percent content of polarity TPE is 4%；
Described lubricant is calcium stearate；Described antioxidant is the compound system of Hinered phenols primary antioxidant 1010 and phosphorous acid esters auxiliary antioxidant 168.
The preparation method of the low plumbous fire proofing for automobile-used corrugated tube of the present embodiment is with embodiment 1.
Comparative example 1
Except fire retardant is formed by for three-(tribromophenoxy)-triazine and auxiliary flame retardant that mass ratio is 5:1, auxiliary flame retardant is by outside forming for three-(tribromophenoxy)-triazine that mass ratio is 3:1 and antimony oxide, and all the other are with embodiment 4.
Embodiment 5
The correlated performance for the low plumbous fire proofing of automobile-used corrugated tube obtained in embodiment 1～4 and comparative example 1 is tested, test result is as shown in the table, wherein the evaluation of the precipitation effect of fire retardant carries out according to fire proofing precipitation testing standard, particularly as follows: be that 100mmdiameter × 3.0mm disk is placed on temperature and is set as 48h in the air aging case of 100 DEG C by one group of 3 specification, after taking-up, range estimation judges, surface is considered as not precipitating out without any attachment, and surface covers or part covers white powder material and is considered as precipitating out.
By the auxiliary flame retardant of the known present invention of above embodiment by selecting properly mixed antimony oxide, aluminium oxide, silicon dioxide, chromic oxide and titanium oxide, it is possible not only to the consumption of saving three-(tribromophenoxy)-triazine, reduce cost, also can improve the fire resistance of material, and the fire retardant in the low-temperature flame retardant material of the present invention does not precipitate out.
Finally be should be noted that; above example is only in order to illustrate technical scheme but not limiting the scope of the invention; although the present invention being explained in detail with reference to preferred embodiment; it will be understood by those within the art that; technical scheme can be modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. the low plumbous fire proofing for automobile-used corrugated tube, it is characterized in that: include the raw material of following weight portion: polypropylene 70～100 parts, Pulvis Talci 30～50 parts, black masterbatch 2～5 parts, coupling agent 1～2 part, compatilizer 5～8 parts, fire retardant 15～30 parts, impact modifier 3～5 parts, organic clay nano strengthens elastic composite 3～5 parts, lubricant 1～3 part and 1～3 part of antioxidant.
2. the low plumbous fire proofing for automobile-used corrugated tube according to claim 1, it is characterized in that: described coupling agent is the mixture of epoxy resin and VTES, wherein, epoxy resin is 1:3～5 with the mass ratio of VTES.
3. the low plumbous fire proofing for automobile-used corrugated tube according to claim 1, it is characterized in that: described compatilizer is the mixture of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate, and wherein the mass ratio of maleic anhydride graft PP, maleic anhydride graft PE and polypropylene grafted glycidyl acrylate is: 5～7:2～3:3～5.
4. the low plumbous fire proofing for automobile-used corrugated tube according to claim 1, it is characterized in that: described fire retardant is formed by for three-(tribromophenoxy)-triazine and auxiliary flame retardant that mass ratio is 2～4:1, auxiliary flame retardant is mass ratio is the mixture of the antimony oxide of 2～4:0.5～0.8:1.6～2.0:0.5～0.8:1.8～2.5, aluminium oxide, silicon dioxide, chromic oxide and titanium oxide, wherein, antimony oxide is the lead content low plumbous antimony oxide at below 50ppm.
5. the low plumbous fire proofing for automobile-used corrugated tube according to claim 1, it is characterized in that: it is organic clay/POE nano composite material that described organic clay nano strengthens elastic composite, wherein, organic clay accounts for the 1%～3% of organic clay/POE nano composite material gross weight.
6. the low plumbous fire proofing for automobile-used corrugated tube according to claim 1, it is characterised in that: described impact modifier is the blend of polarity TPE and EPDM, and wherein, the weight percent content of polarity TPE is 3%～5%.
7. the low plumbous fire proofing for automobile-used corrugated tube according to claim 1, it is characterised in that: described lubricant is calcium stearate；Described antioxidant is the compound system of Hinered phenols primary antioxidant and phosphorous acid esters auxiliary antioxidant.
8. the low plumbous fire proofing for automobile-used corrugated tube according to claim 1, it is characterized in that: the described low plumbous fire proofing for automobile-used corrugated tube includes the raw material of following weight portion: polypropylene 100 parts, Pulvis Talci 40 parts, black masterbatch 5 parts, coupling agent 1.5 parts, compatilizer 6 parts, fire retardant 12 parts, impact modifier 4 parts, organic clay nano strengthens elastic composite 4 parts, lubricant 2 parts and 2 parts of antioxidant.
9. the preparation method of the low plumbous fire proofing for automobile-used corrugated tube according to any one of claim 1～8, it is characterised in that: comprise the following steps:
1) by described raw material Homogeneous phase mixing, compound is obtained；
2) by step 1) compound that obtains adds single spiral shell or double; two spiral shell extruder extrusion, and control the temperature of extruder at 180-230 DEG C, through melt blending, extrusion, cover half, water-cooled, prepare described low plumbous fire proofing.
10. the low plumbous fire proofing for automobile-used corrugated tube according to any one of claim 1～8 protects the application in corrugated tube at automotive wire bundle.
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| CN201610251486.5A CN105713298B (en) | 2016-04-21 | 2016-04-21 | A kind of low lead fire proofing, preparation method and application for automobile-used bellows |
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| CN201610251486.5A CN105713298B (en) | 2016-04-21 | 2016-04-21 | A kind of low lead fire proofing, preparation method and application for automobile-used bellows |
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Cited By (7)
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| CN106432917A (en) * | 2016-10-18 | 2017-02-22 | 周佳瑜 | Novel polypropylene (PP) pipe and preparation method thereof |
| CN108587150A (en) * | 2018-05-31 | 2018-09-28 | 徐州腾飞工程塑料有限公司 | A kind of automobile-used nylon corrugated tube composite material and preparation method thereof |
| CN109749329A (en) * | 2017-11-03 | 2019-05-14 | 丹阳市贝尔特橡塑制品有限公司 | A kind of aging-resistant flame-proof bellows |
| CN110330724A (en) * | 2019-07-23 | 2019-10-15 | 深圳市通产丽星股份有限公司 | A kind of high-impact flame-retardant polypropylene composite material and preparation method thereof |
| CN110698769A (en) * | 2019-10-17 | 2020-01-17 | 中广核俊尔(浙江)新材料有限公司 | High-fluidity low-gloss impact-resistant polypropylene composite material and preparation method and application thereof |
| CN113817270A (en) * | 2021-11-02 | 2021-12-21 | 常州瑞杰新材料科技有限公司 | Polypropylene composite material and preparation method thereof |
| CN115093645A (en) * | 2022-08-29 | 2022-09-23 | 四川兴辉腾集团有限公司 | Polypropylene and aluminum hydroxide composite pipe and preparation method thereof |
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