CN105713298B - A kind of low lead fire proofing, preparation method and application for automobile-used bellows - Google Patents
A kind of low lead fire proofing, preparation method and application for automobile-used bellows Download PDFInfo
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- CN105713298B CN105713298B CN201610251486.5A CN201610251486A CN105713298B CN 105713298 B CN105713298 B CN 105713298B CN 201610251486 A CN201610251486 A CN 201610251486A CN 105713298 B CN105713298 B CN 105713298B
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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 kind of low lead fire proofings for automobile-used bellows, include the raw material of following parts by weight：70~100 parts of polypropylene, 30~50 parts of talcum powder, 2~5 parts of black masterbatch, 1~2 part of coupling agent, 5~8 parts of compatilizer, 15~30 parts of fire retardant, 1~3 part of 3~5 parts of impact modifier, organic clay nano 3~5 parts of elastic composite of enhancing, 1~3 part of lubricant and antioxidant.The invention also discloses the preparation methods of the low lead fire proofing for automobile-used bellows.The low lead fire proofing of the present invention not only has excellent anti-flammability and mechanical performance, and lead tolerance is extremely low.
Description
Technical field
The invention belongs to automobile-used Bellows Technology field more particularly to a kind of fire-retardant materials of low lead for automobile-used bellows
Material, preparation method and application.
Background technology
Polypropylene is widely used in due to its excellent processability, chemical resistance and mechanical strength in motor bellows.So
And polypropylene easily burns in itself.The bellows of some automotive wire bundles protection at present, vehicle can generate largely in the process of moving
Heat to prevent vehicle in operation since bellows fever or traffic accident cause burning, and gives out and is unfavorable for health and contains
High lead substance is measured, influences health, it is necessary to develop a kind of fire-retardant bellows material of the low lead of environmental protection.
The considerations of in cost and performance, at present the fire retardant in most cases used in factory be mainly phosphorus-nitrogen systems or
Bromo- sb system, particularly bromo- sb system.Contain lead oxide in the antimony oxide used in bromo- sb system, although positive reason
Fire proofing containing antimony can meet EU criteria under condition, but now some internationally famous major companies all formulated it is tighter than ROHS
The standard of lattice, German BOSH companies are necessarily less than 2ppm with regard to regulation lead content, this is that material manufacturer is extremely difficult to.
Invention content
It is provided a kind of for automobile-used bellows it is an object of the invention to overcome the shortcomings of the prior art part
Low lead fire proofing, low lead fire proofing of the invention not only has excellent anti-flammability and mechanical performance, and lead tolerance
It is extremely low.
The technical solution adopted by the present invention is：A kind of low lead fire proofing for automobile-used bellows, including following weight
The raw material of part：70~100 parts of polypropylene, 30~50 parts of talcum powder, 2~5 parts of black masterbatch, 1~2 part of coupling agent, compatilizer 5~8
Part, 15~30 parts of fire retardant, 3~5 parts of impact modifier, organic clay nano 3~5 parts of elastic composite of enhancing, lubrication
1~3 part of 1~3 part of agent and antioxidant.
Preferably, mixture of the coupling agent for epoxy resin and vinyltriethoxysilane, wherein, epoxy resin
Mass ratio with vinyltriethoxysilane is 1:3~5.
Preferably, the compatilizer is maleic anhydride graft PP, maleic anhydride is grafted PE and polypropylene grafted acrylic acid
The mixture of ethylene oxidic ester, wherein maleic anhydride graft PP, maleic anhydride grafting PE and polypropylene grafted acrylic acid shrink sweet
The mass ratio of grease is：5~7：2~3：3~5.
Preferably, the fire retardant is by being 2~4 for mass ratio:The three of 1-(tribromophenoxy)-triazine and auxiliary flame retardant
Composition, auxiliary flame retardant is that mass ratio is 2~4：0.5~0.8：1.6~2.0：0.5~0.8：1.8~2.5 three oxidations two
Antimony, aluminium oxide, silica, chrome green and titanium oxide mixture, wherein, antimony oxide is lead content in 50ppm
Following low lead antimony oxide.Such antimony oxide can be bought on the market.
It is highly preferred that the fire retardant is by being 3 for mass ratio:1 tribromophenoxy triazine and auxiliary flame retardant composition, it is auxiliary
Auxiliary flame retardant is that mass ratio is 3：0.8：1.6：0.5：2.5 antimony oxide, aluminium oxide, silica, chrome green and
The mixture of titanium oxide, wherein, antimony oxide is low lead antimony oxide of the lead content in below 50ppm.
The auxiliary flame retardant of the present invention is by selecting properly mixed antimony oxide, aluminium oxide, silica, three oxidations
Two chromium and titanium oxide can not only save the dosage of three-(tribromophenoxy)-triazine, reduce cost, can also improve the resistance of material
Fire performance.
Preferably, the organic clay nano enhancing elastic composite is organic clay/POE nanocomposites,
Wherein, organic clay accounts for the 1%~3% of organic clay/POE nanocomposite total weights.
When the weight content of organic clay in organic clay/POE nanocomposites is 1%~3%, by outer masterpiece
Used time, organic clay can generate good synergistic effect with POE, and material structure is not susceptible to destroy, and be conducive to improve material
Mechanical property；But when clay content is excessive, organic clay can generate aggregation in material internal, become stress concentration object, material
Material is easy to generate destruction at the clay particles place of gathering, and makes the tensile strength and impact strength decreased of material.
Preferably, the impact modifier is the blend of polarity TPE and EPDM, wherein, the weight percent of polarity TPE
Content is 3%~5%.
Inventor has found that polarity TPE and EPDM has coordination plasticizing effect, compared to EPDM is used alone, can further increase
The impact flexibility of strong material, particularly when the weight percent content of polarity TPE is 3%~5%, the impact of material obtained
Toughness is more preferably.
Preferably, the lubricant is calcium stearate；The antioxidant is Hinered phenols primary antioxidant and phosphorous acid esters
The compound system of auxiliary antioxidant.
Preferably, the low lead fire proofing for automobile-used bellows includes the raw material of following parts by weight：Polypropylene 100
Part, 40 parts of talcum powder, 5 parts of black masterbatch, 1.5 parts of coupling agent, 6 parts of compatilizer, 12 parts of fire retardant, 4 parts of impact modifier are organic viscous
Native nanometer enhances 2 parts of 4 parts of elastic composite, 2 parts of lubricant and antioxidant.
The present invention also provides the preparation method of the low lead fire proofing for automobile-used bellows, including following step
Suddenly：
1) raw material is uniformly mixed, obtains mixture；
2) mixture for obtaining step 1) adds in single spiral shell or double spiral shell extruders squeeze out, and controls the temperature of extruder in 180-
230 DEG C, by melt blending, extrusion, cover half, water cooling, the low lead fire proofing is made.
The present invention also provides the low lead fire proofing for automobile-used bellows bellows is protected in automotive wire bundle
In application.
Relative to the prior art, beneficial effects of the present invention are：
The low lead fire proofing intensity for automobile-used bellows of the present invention is high, heat-resist, and bending modulus is reachable
More than 1000MPa, deformation temperature is up to 48 DEG C or more；
The low lead fire proofing for automobile-used bellows of the present invention has good anti-flammability low temperature properties, and anti-impact is broken up
Bad property is excellent；Simultaneously good economy performance, formed product is stable, shrinking percentage is small, no more than 1.5 ‰；Good welding performance, installation is just
Victory can be accomplished hermetically sealed.
Bellows is in room temperature and ageing-resistant (through 120 made from the low lead fire proofing for automobile-used bellows of the present invention
DEG C X50Hr, 120 DEG C of X100Hr) after, up to from self-extinguishment in fiery 5s；
The heat-resisting extensibility of bellows made from the low lead fire proofing for automobile-used bellows of the present invention is good, dumbbell shaped examination
Piece is added to 160 DEG C, 150 DEG C, in 140 DEG C of high-temperature cabinet, measures the time that elongation percentage reaches 50%, is made with this 3 points data
Into heat-resisting life curve, meet with 100 DEG C of X5000hr；The benchmark requirement of 120 DEG C of X1000hr；
The present invention the low lead fire proofing for automobile-used bellows made from bellows meet -40 DEG C of low-temperature impact/
For 24 hours after r, bellows is not broken, it is damaged phenomena such as；
Bellows has good deformability made from the low lead fire proofing for automobile-used bellows of the present invention：Ruler
Very little change rate is below 1%；
Bellows petrol-resistance and coolant, washing made from the low lead fire proofing for automobile-used bellows of the present invention
The chemical reagent such as liquid, battery fluid, lubricating oil, lam-oil.
Specific embodiment
To better illustrate the object, technical solutions and advantages of the present invention, below in conjunction with specific embodiment to the present invention
It is described further.
Embodiment 1
A kind of low lead fire proofing for automobile-used bellows includes the raw material of following parts by weight：70 parts of polypropylene, talcum
30 parts of powder, 2 parts of black masterbatch, 1.5 parts of coupling agent, 5 parts of compatilizer, 18 parts of fire retardant, 3 parts of impact modifier, organic clay nano
Enhance 2 parts of 3 parts of elastic composite, 2 parts of lubricant and antioxidant；
Mixture of the coupling agent for epoxy resin and vinyltriethoxysilane, wherein, epoxy resin and ethylene
The mass ratio of ethyl triethoxy silicane alkane is 1:4；
The compatilizer is maleic anhydride graft PP, maleic anhydride is grafted PE and polypropylene grafted glycidyl
The matter of the mixture of ester, wherein maleic anhydride graft PP, maleic anhydride grafting PE and polypropylene grafted glycidyl acrylate
Amount is than being 5：2：3；
The fire retardant is by being 2 for mass ratio:The three of 1-(tribromophenoxy)-triazine and auxiliary flame retardant composition, auxiliary
Fire retardant is that mass ratio is 2：0.5：1.8：0.7：1.8 antimony oxide, aluminium oxide, silica, chrome green and oxygen
Change the mixture of titanium, wherein, antimony oxide is low lead antimony oxide of the lead content in below 50ppm；
The organic clay nano enhancing elastic composite is organic clay/POE nanocomposites, wherein, have
Machine clay accounts for the 1% of organic clay/POE nanocomposite total weights；
The impact modifier is the blend of polarity TPE and EPDM, wherein, the weight percent content of polarity TPE is
3%；
The lubricant is calcium stearate；The antioxidant is assisted for Hinered phenols primary antioxidant 1010 and phosphorous acid esters
The compound system of irgasfos 168.
The preparation method of the low lead fire proofing for automobile-used bellows of the present embodiment, includes the following steps：
1) raw material is uniformly mixed, obtains mixture；
2) mixture for obtaining step 1) adds in single spiral shell or double spiral shell extruders squeeze out, and controls the temperature of extruder in 180-
230 DEG C, by melt blending, extrusion, cover half, water cooling, the low lead fire proofing is made.
Embodiment 2
A kind of low lead fire proofing for automobile-used bellows includes the raw material of following parts by weight：90 parts of polypropylene, talcum
40 parts of powder, 4 parts of black masterbatch, 1 part of coupling agent, 6 parts of compatilizer, 15 parts of fire retardant, 4 parts of impact modifier, organic clay nano increase
1 part of 4 parts of strong elasticity composite material, 1 part of lubricant and antioxidant；
Mixture of the coupling agent for epoxy resin and vinyltriethoxysilane, wherein, epoxy resin and ethylene
The mass ratio of ethyl triethoxy silicane alkane is 1:5；
The compatilizer is maleic anhydride graft PP, maleic anhydride is grafted PE and polypropylene grafted glycidyl
The matter of the mixture of ester, wherein maleic anhydride graft PP, maleic anhydride grafting PE and polypropylene grafted glycidyl acrylate
Amount is than being 6：2.5：4；
The fire retardant is by being 3 for mass ratio:The three of 1-(tribromophenoxy)-triazine and auxiliary flame retardant composition, auxiliary
Fire retardant is that mass ratio is 3：0.8：1.6：0.5：2.5 antimony oxide, aluminium oxide, silica, chrome green and oxygen
Change the mixture of titanium, wherein, antimony oxide is low lead antimony oxide of the lead content in below 50ppm；
The organic clay nano enhancing elastic composite is organic clay/POE nanocomposites, wherein, have
Machine clay accounts for the 2% of organic clay/POE nanocomposite total weights；
The impact modifier is the blend of polarity TPE and EPDM, wherein, the weight percent content of polarity TPE is
4%；
The lubricant is calcium stearate；The antioxidant is assisted for Hinered phenols primary antioxidant 1010 and phosphorous acid esters
The compound system of irgasfos 168.
The preparation method is the same as that of Example 1 for the low lead fire proofing for automobile-used bellows of the present embodiment.
Embodiment 3
A kind of low lead fire proofing for automobile-used bellows includes the raw material of following parts by weight：100 parts of polypropylene is sliding
50 parts of mountain flour, 5 parts of black masterbatch, 2 parts of coupling agent, 8 parts of compatilizer, 30 parts of fire retardant, 5 parts of impact modifier, organic clay nano
Enhance 3 parts of 5 parts of elastic composite, 3 parts of lubricant and antioxidant；
Mixture of the coupling agent for epoxy resin and vinyltriethoxysilane, wherein, epoxy resin and ethylene
The mass ratio of ethyl triethoxy silicane alkane is 1:3；
The compatilizer is maleic anhydride graft PP, maleic anhydride is grafted PE and polypropylene grafted glycidyl
The matter of the mixture of ester, wherein maleic anhydride graft PP, maleic anhydride grafting PE and polypropylene grafted glycidyl acrylate
Amount is than being 7：3：5；
The fire retardant is by being 4 for mass ratio:The three of 1-(tribromophenoxy)-triazine and auxiliary flame retardant composition, auxiliary
Fire retardant is that mass ratio is 3：0.6：1.6：0.7：2 antimony oxide, aluminium oxide, silica, chrome green and oxidation
The mixture of titanium, wherein, antimony oxide is low lead antimony oxide of the lead content in below 50ppm；
The organic clay nano enhancing elastic composite is organic clay/POE nanocomposites, wherein, have
Machine clay accounts for the 3% of organic clay/POE nanocomposite total weights；
The impact modifier is the blend of polarity TPE and EPDM, wherein, the weight percent content of polarity TPE is
5%；
The lubricant is calcium stearate；The antioxidant is assisted for Hinered phenols primary antioxidant 1010 and phosphorous acid esters
The compound system of irgasfos 168.
The preparation method is the same as that of Example 1 for the low lead fire proofing for automobile-used bellows of the present embodiment.
Embodiment 4
A kind of low lead fire proofing for automobile-used bellows includes the raw material of following parts by weight：100 parts of polypropylene is sliding
40 parts of mountain flour, 5 parts of black masterbatch, 1.5 parts of coupling agent, 6 parts of compatilizer, 12 parts of fire retardant, 4 parts of impact modifier, organic clay is received
2 parts of 4 parts of meter Zeng Qiang elastic composites, 2 parts of lubricant and antioxidant；
Mixture of the coupling agent for epoxy resin and vinyltriethoxysilane, wherein, epoxy resin and ethylene
The mass ratio of ethyl triethoxy silicane alkane is 1:4.5；
The compatilizer is maleic anhydride graft PP, maleic anhydride is grafted PE and polypropylene grafted glycidyl
The matter of the mixture of ester, wherein maleic anhydride graft PP, maleic anhydride grafting PE and polypropylene grafted glycidyl acrylate
Amount is than being 6：3：4；
The fire retardant is by being 3 for mass ratio:The three of 1-(tribromophenoxy)-triazine and auxiliary flame retardant composition, auxiliary
Fire retardant is that mass ratio is 3：0.8：1.6：0.5：2.5 antimony oxide, aluminium oxide, silica, chrome green and oxygen
Change the mixture of titanium, wherein, antimony oxide is low lead antimony oxide of the lead content in below 50ppm；
The organic clay nano enhancing elastic composite is organic clay/POE nanocomposites, wherein, have
Machine clay accounts for the 2% of organic clay/POE nanocomposite total weights；
The impact modifier is the blend of polarity TPE and EPDM, wherein, the weight percent content of polarity TPE is
4%；
The lubricant is calcium stearate；The antioxidant is assisted for Hinered phenols primary antioxidant 1010 and phosphorous acid esters
The compound system of irgasfos 168.
The preparation method is the same as that of Example 1 for the low lead fire proofing for automobile-used bellows of the present embodiment.
Comparative example 1
Except fire retardant is by being 5 for mass ratio:The three of 1-(tribromophenoxy)-triazine and auxiliary flame retardant composition, auxiliary resistance
Agent is fired by being 3 for mass ratio:The three of 1-(tribromophenoxy)-triazine and antimony oxide composition are outer, remaining is the same as embodiment 4.
Embodiment 5
To the correlated performance of the low lead fire proofing for automobile-used bellows that is obtained in Examples 1 to 4 and comparative example 1 into
Row test, test result is as follows shown in table, and testing standard is precipitated according to fire proofing in the wherein evaluation of the precipitation effect of fire retardant
It carries out, specially：It is the sky that 100mm diameter × 3.0mm disks are placed on that temperature is set as 100 DEG C by one group of 3 specification
48h in gas ageing oven estimates judgement after taking-up, surface is considered as without any attachment not to be precipitated, and surface covering or part covering are white
Color powdered substance is considered as precipitation.
Understand the auxiliary flame retardant of the present invention by selecting properly mixed antimony oxide, oxidation by above embodiment
Aluminium, silica, chrome green and titanium oxide can not only save the dosage of three-(tribromophenoxy)-triazine, reduce into
This, can also improve the flame retardant property of material, and the fire retardant in the low-temperature flame retardant material of the present invention is not precipitated.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of range is protected, although being explained in detail with reference to preferred embodiment to the present invention, those of ordinary skill in the art should
Understand, technical scheme of the present invention can be modified or replaced equivalently, without departing from the essence of technical solution of the present invention
And range.
Claims (8)
1. a kind of low lead fire proofing for automobile-used bellows, it is characterised in that：Include the raw material of following parts by weight：Polypropylene
70~100 parts, 30~50 parts of talcum powder, 2~5 parts of black masterbatch, 1~2 part of coupling agent, 5~8 parts of compatilizer, fire retardant 15~30
Part, 3~5 parts of impact modifier, organic clay nano enhances 3~5 parts of elastic composite, 1~3 part of lubricant and antioxygen
1~3 part of agent；The impact modifier is the blend of polarity TPE and EPDM, the weight percent of polarity TPE in impact modifier
It is 3%~5% than content；The fire retardant is 2~4 by mass ratio:The three of 1-(tribromophenoxy)-triazine and auxiliary flame retardant
Composition, auxiliary flame retardant are 2~4 by mass ratio：0.5~0.8：1.6~2.0：0.5~0.8：1.8~2.5 three oxidations two
Antimony, aluminium oxide, silica, chrome green and titanium oxide mixture, wherein, antimony oxide is lead content in 50ppm
Following low lead antimony oxide.
2. the low lead fire proofing according to claim 1 for automobile-used bellows, it is characterised in that：The coupling agent is
The mixture of epoxy resin and vinyltriethoxysilane, wherein, the quality of epoxy resin and vinyltriethoxysilane
Than being 1:3~5.
3. the low lead fire proofing according to claim 1 for automobile-used bellows, it is characterised in that：The compatilizer is
The mixture of maleic anhydride graft PP, maleic anhydride grafting PE and polypropylene grafted glycidyl acrylate, wherein Malaysia
Acid anhydrides graft PP, maleic anhydride are grafted PE and the mass ratio of polypropylene grafted glycidyl acrylate is：5~7：2~3：3~
5。
4. the low lead fire proofing according to claim 1 for automobile-used bellows, it is characterised in that：The organic clay
Nanometer enhancing elastic composite is organic clay/POE nanocomposites, wherein, organic clay accounts for organic clay/POE
The 1%~3% of nanocomposite total weight.
5. the low lead fire proofing according to claim 1 for automobile-used bellows, it is characterised in that：The lubricant is
Calcium stearate；Compound system of the antioxidant for Hinered phenols primary antioxidant and phosphorous acid esters auxiliary antioxidant.
6. the low lead fire proofing according to claim 1 for automobile-used bellows, it is characterised in that：It is described for automobile-used
The low lead fire proofing of bellows includes the raw material of following parts by weight：100 parts of polypropylene, 40 parts of talcum powder, 5 parts of black masterbatch are even
Join 1.5 parts of agent, 6 parts of compatilizer, 12 parts of fire retardant, 4 parts of impact modifier, organic clay nano enhancing elastic composite 4
Part, 2 parts of 2 parts of lubricant and antioxidant.
7. according to the preparation method of the low lead fire proofing according to any one of claims 1 to 6 for automobile-used bellows,
It is characterized in that：Include the following steps：
1) raw material is uniformly mixed, obtains mixture；
2) mixture for obtaining step 1) adds in single spiral shell or double spiral shell extruders squeeze out, and controls the temperature of extruder in 180-230
DEG C, by melt blending, extrusion, cover half, water cooling, the low lead fire proofing is made.
8. it is protected according to the low lead fire proofing according to any one of claims 1 to 6 for automobile-used bellows in automotive wire bundle
Protect the application in bellows.
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| 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 |
| 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 |
| CN110330724B (en) * | 2019-07-23 | 2021-09-03 | 深圳市通产丽星科技集团有限公司 | High-impact-resistance flame-retardant polypropylene composite material and preparation method thereof |
| CN110698769B (en) * | 2019-10-17 | 2022-03-15 | 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 |
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| WO2014010509A1 (en) * | 2012-07-09 | 2014-01-16 | 住友電気工業株式会社 | Heat-resistant flame-retardant resin composition, insulated electric wire, and tube |
| CN104744814A (en) * | 2015-02-06 | 2015-07-01 | 洛阳师范学院 | Automotive toughened polypropylene corrugated pipe and preparation method thereof |
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