CN104788823A - Nano modified PP electric motorcycle reinforced anti-aging special material - Google Patents

Nano modified PP electric motorcycle reinforced anti-aging special material Download PDF

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Publication number
CN104788823A
CN104788823A CN201510213872.0A CN201510213872A CN104788823A CN 104788823 A CN104788823 A CN 104788823A CN 201510213872 A CN201510213872 A CN 201510213872A CN 104788823 A CN104788823 A CN 104788823A
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temperature
composite oxides
parts
nano
aging
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CN104788823B (en
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王文庆
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Zhejiang Sunlight Today New Forms Of Energy Che Ye Co Ltd
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Zhejiang Sunlight Today New Forms Of Energy Che Ye Co Ltd
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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
    • 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
    • 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
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • 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
    • C08K2201/002—Physical properties
    • C08K2201/006—Additives being defined by their surface area
    • 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
    • C08K2201/011—Nanostructured additives
    • 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
    • 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 invention provides a nano modified PP electric motorcycle reinforced anti-aging special material and a preparation method thereof. Raw materials are measured according to the following weight parts: 100 to 120 parts of polypropylene, 15 to 30 parts of ethylene propylene rubber, 5 to 15 parts of modified nano crystal composite oxide, 8 to 14 parts of ethylene bis stearamide, 0.5 to 0.9 part of chlorinated polyethylene and 0.2 to 0.6 part of antioxidant. The nano crystal composite oxide is expressed by virtue of the following general formula: TiaAlbMgcZndOX, wherein a is equal to 0.1 to 0.5, b is equal to 0.3 to 0.7, c is equal to 0.2 to 0.5, d is equal to 0.1 to 0.3, and X is more than or equal to 1. On the basis of guaranteeing the original performance of the polypropylene material, the impact resisting strength and the anti-aging property can be improved, and the nano modified PP electric motorcycle reinforced anti-aging special material is especially suitable for being used as an electric motorcycle accessory material.

Description

A kind of nano modification PP electric four-wheel vehicle strengthens anti-aging PP Pipe Compound
Technical field
The present invention relates to a kind of polypropylene material, particularly relate to a kind of nano modification PP electric four-wheel vehicle and strengthen anti-aging PP Pipe Compound and preparation method thereof.
Background technology
1873, British Robert Dai Weisen primary cell was used as power and has invented electromobile, but did not list international affirming score in.Generally acknowledge that first electromobile was born in 1881 in the world, invent artificial French slip-stick artist's Gustaf Te Lufu, this is one is the tricycle of power with lead-acid cell, has occurred the power truck as electric power of NI-G, nickel metal hydride battery, lithium ion battery, fuel cell afterwards successively.
Four-wheel electric motor car in the market refers to that max. speed is lower than the pure electric vehicle of 50 kilometers/hour, includes electric sightseeing vehicle, electric golf cart, electric patrol car, electric sanitation truck, electric transporting vehicle, electrically propelled traction vehicle, electronic engineering truck, mobility scooter for old people and extraordinary repacking power truck etc.Due to characteristics such as simple to operate, the broad view of four-wheel electric motor car, practical, pollution-free, less energy-consumption, be applied in large-scale parks, landscaped area at present more and more widely, closed the regional places such as community, villa quarter, holiday village, garden type hotel, city walking street.
Polypropylene (PP) is one of five large general-purpose plastics, and its output is only second to PE and PVC and occupies the 3rd, is widely used in the fields such as automobile, aerospace, electronic apparatus, packaging, material of construction and medicine equipment.Polypropylene abundance, cheap; Have good mechanical performance, the advantages such as the good and stress crack resistant of electrical insulating property, and also have good chemical stability, forming process is easy, can be used for injecting, extrudes and the multiple method such as slush molding, can make various products expeditiously.But polypropylene exists following shortcoming: pending methyl group l) on building block reduces the snappiness of chain, spherocrystal particle is comparatively large, and make it brittle, impact resistance is poor, and high temperature rigid is not enough.2) it is a kind of non-polar polymer, its dyeability, cohesiveness, static resistance and all poor with inorganic phase capacitive.3) machine-shaping shrinking percentage is large, and the dimensional stability of its goods is lower.4) ageing-resistant degradation property is poor.These shortcomings limit the raw material of polypropylene as some target product (comprising injection grade, fibre-grade, film-grade etc.) or the application of PP Pipe Compound.Therefore, need the over-all properties improving it, to carry out the exploitation of the degree of depth to it.Current polypropylene industrial is just towards adjusting the product mix, open up new Application Areas, increase kind, the trade mark of novel high-performance, the alloy material of exploitation based on polypropylene, study polypropylene modification technology and modified product energetically, impel polypropylene to the future development such as engineering plastics and functional materials.Polypropylene has the high and excellent machinery of shock strength, heat, electric over-all properties, is widely used in the fields such as automobile, aerospace, electronic apparatus, packaging, material of construction and medicine equipment.At present, along with the development of science and technology, the cruel application of poly-carbonic acid oneself to multi-functional, customizations, seriation future development, therefore, blended modification by copolymerization is no longer contented just to polyacrylic modification, needs to expand wider modification approach.
Along with the development of nanotechnology, applying nano compounding technology will provide new way and new approaches for the new modified means of development polypropylene.Research shows, all can have unusual or unusual characteristic, as surface-interface effect, small-size effect, quantum size effect and macro quanta tunnel effect etc. when any material enters nano-scale.These characteristics make nanoparticle structural expression go out unusual Wuli-Shili-Renli system approach, have the remarkable specific function such as light, power, electricity, heat, radiation, absorption.With inorganic nano material as Nano-meter CaCO3 3, ZnO, SiO 2, TiO 2, clay and polypropylene carry out the advantage such as light transmission, snappiness, workability of the existing macromolecular material of the nano combined nano composite material obtained, and has again the high rigidity of inorganic optical material, high-modulus, high mechanical property and good resistance toheat, low gas permeability and the absorptive character to UV-light such as mar-proof.
The polycrystal of the known single-phase or complex phase be made up of the crystal grain being of a size of 1-100nm is nanocrystalline material.Mostly the constitutional features of this type of material is that the atom on its crystal boundary accounts for more than 50% of crystal total atom number.Crystal boundary number in nanocrystal is 10 19individual crystal boundary/cm 3left and right.In the crystal boundary of enormous quantity or phase boundary, the atom at core position is subject to the restriction of adjacent dot matrix in necessarily arranging configuration, be different from the atomic arrangement in crystallographic grain, be different from non-crystalline state again, form a kind of new configuration, be the ordered structure of two dimension, have its oneself periodic law and interatomic distance, different crystal boundary is different again each other.At 1cm 3in nanocrystal 10 19individual crystal boundary occurs 10 19individual atomic configuration, because the orientation of each crystal grain is different, the restraint force size and Orientation that the atom of crystal grain to periphery crystal boundary core place of different orientation acts on is different, thus causes atomic arrangement configuration inequality.The specific arrangement of the atom in crystal boundary or phase boundary; In crystal boundary or phase boundary, namely the new configuration of core part of atoms arrangement is cause the nanocrystalline root occurring new capability.The structural singularity of nano crystal material makes it have many traditional coarse-grains, the unrivaled excellent properties of nano amorphous material.
Average grain size is one of important structure parameter of nano crystal material, this is because the most important constitutional features of nano crystal material is its high interphase density, and average grain size can its interface content of direct reaction.Therefore, material impact can be produced to composite property by controlling nano crystal material grain size, form and distribution.
Summary of the invention
The object of the invention is on the basis of polypropylene main component, by adding ethylene-propylene rubber(EPR) and modified Nano crystallization composite oxides, synthesis improvement being carried out to the physics of polypropylene material, chemical property.While raising polypropylene (PP) material intensity, toughness, shock resistance, improve the aging resistance of material.
Technical scheme of the present invention is as follows: a kind of nano modification PP electric four-wheel vehicle strengthens anti-aging PP Pipe Compound, and raw materials by weight portion takes:
Polypropylene 100 ~ 120 parts, 15 ~ 30 parts, ethylene-propylene rubber(EPR), modified Nano crystallization composite oxides 5-15 part, ethylene bis stearamide 8 ~ 14 parts, chlorinatedpolyethylene 0.5 ~ 0.9 part, oxidation inhibitor 0.2-0.6 part.
Described oxidation inhibitor is selected from β-positive octadecanol ester of (4-hydroxy phenyl-3,5-di-t-butyl) propionic acid, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester or their mixtures.
Described nanocrystal composite oxides are by following general formula: Ti aal bmg czn do x, wherein a=0.1-0.5, b=0.3-0.7, c=0.2-0.5, d=0.1-0.3, X>=1.
It is 2 ~ 50m that described nanocrystal complex oxide surface amasss 2/ g, especially preferably 5 ~ 35m 2/ g; Its crystallite dimension is 5 ~ 1000nm, preferably 10 ~ 800nm, more preferably 10nm ~ 100nm, particularly preferably 15 ~ 30nm.
Described modified Nano crystallization composite oxides are with the weight of nanocrystal composite oxides for benchmark, the titanate coupling agent surface modification of nanocrystal composite oxides via 0.5wt% are obtained.
The preparation method of described nanocrystal composite oxides, comprises the steps:
A) adopt carrier fluid method, by stoichiometric ratio shown in nanocrystal composite oxides general formula, will import in reaction chamber containing the solution of Ti, Al, Mg, Zn initial compounds, suspension or slurries;
B) adopt the method for pulsating flow heating at 200 ~ 700 DEG C of temperature, heat-treat for containing the solution of Ti, Al, Mg, Zn initial compounds, suspension or slurries in treatment zone;
C) nanocrystal composite oxides are formed;
D) from reactor, draw off the nanocrystal composite oxides obtained in step b and step c.
Described Ti, Al, Mg, Zn initial compounds is selected from halogenide, vitriol, nitrate or acetate.
According to method of the present invention, suspension can be calcined at short notice, and typically within several milliseconds, temperature is also relatively low compared with method normally used in prior art, and there is no extra filtration and/or the step of drying, or do not need additionally to add solvent.The nano microcrystalline of the nanocrystal composite oxides formed, its BET specific surface area significantly increases.
Ti, Al, Mg, Zn initial compounds is directly by carrier fluid, particularly carrier gas, and preferred inert carrier gas, as nitrogen etc., adds in so-called reaction chamber as in combustion chamber.The exhaust side that reaction chamber adds is resonatron, and its cross section of fluid channel is obvious reduction compared with reaction chamber.Bottom of combustion chamber is provided with the valve that some combustion airs enter combustion chamber.Aerodynamics valve is in fluidics and acoustically match with combustion chamber and resonatron geometry, to such an extent as to the mainly pulsed propagation in resonatron of the pressure wave in the stable state produced in combustion chamber " nonflame " temperature field.Form so-called " Helmholtz resonator " with stream of pulses, pulse-repetition 3 ~ 150Hz, be preferably 5 ~ 110Hz.
The nanocrystal composite oxides obtained according to the inventive method and cerium sulphate crystal have homogeneous particle diameter, particularly crystallite dimension.Compared with prior art, the BET specific surface area of the nanocrystal composite oxides of this law acquisition can increase too.
The method of modifying of described nanocrystal composite oxides, comprises the steps: before modified by nanocrystal composite oxides 80 DEG C of constant temperature 24h in loft drier; Then preparation dehydrated alcohol and titanate coupling agent volume ratio are the solvent of 200: 1; Nanocrystal composite oxides are dissolved in wherein, whipping appts are heated to dehydrated alcohol boiling while stirring, make its evaporation of volatilizing, put into loft drier 80 DEG C of dry 12h again when quantity of solvent residue is little, allow dehydrated alcohol fully be evaporated; Finally solid pressure is carefully sifted out through molecular sieve.
Technical scheme of the present invention comprises further, and a kind of nano modification PP electric four-wheel vehicle strengthens the preparation method of anti-aging PP Pipe Compound, comprises the steps:
1. take polypropylene, ethylene-propylene rubber(EPR), modified Nano crystallization composite oxides, ethylene bis stearamide, chlorinatedpolyethylene, oxidation inhibitor in proportion, then throw and mix 10-40 minute to mixing tank;
2. throw in twin screw extruder by the material that 1. step mixes, melt extrude, obtained nano modification PP electric four-wheel vehicle strengthens anti-aging PP Pipe Compound.
Wherein twin screw extruder each temperature controlled region temperature, the temperature in temperature control 1-2 district is 185 ~ 195 DEG C, and the temperature in temperature control 3-4 district is 190-200 DEG C, and the temperature in temperature control 5-6 district is 195 ~ 205 DEG C, the temperature in temperature control 7-8 district is 200 ~ 210 DEG C, and the temperature in temperature control 9-10 district is 210 ~ 220 DEG C.
The invention has the beneficial effects as follows:
Nano modification PP electric four-wheel vehicle of the present invention strengthens anti-aging PP Pipe Compound and has good physical strength, processing characteristics and ageing resistance, and notched Izod impact strength is up to 40kJ/m 2above, unnotched impact strength is up to 65kJ/m 2above, after the accelerated deterioration of 200h ultraviolet light, non-notch resistance to impact shock still can remain on 57kJ/m 2above, expose 700h in ultraviolet light after, non-notch resistance to impact shock still can remain on 43kJ/m 2above, be specially adapted to as electric four-wheel vehicle fitment material.
Embodiment
Below in conjunction with being that the invention will be further described for embodiment.
Embodiment 1
Polypropylene 100 parts, 15 parts, ethylene-propylene rubber(EPR), modified Nano crystallization composite oxides 5 parts, ethylene bis stearamide 9 parts, chlorinatedpolyethylene 0.5 part, 0.2 part, oxidation inhibitor.
Described nanocrystal composite oxides are Ti 0.3al 0.4mg 0.3zn 0.1o 1.6, surface-area is 5 ~ 35m 2/ g, its crystallite dimension is for being 10nm ~ 100nm; Oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
Described modified Nano crystallization composite oxides are with the weight of nanocrystal composite oxides for benchmark, the titanate coupling agent surface modification of nanocrystal composite oxides via 0.5wt% are obtained.
Prepare nano modification PP electric four-wheel vehicle according to following step and strengthen anti-aging PP Pipe Compound:
1. take polypropylene, ethylene-propylene rubber(EPR), modified Nano crystallization composite oxides, ethylene bis stearamide, chlorinatedpolyethylene, oxidation inhibitor in proportion, then throw and mix 10-40 minute to mixing tank;
2. throw in twin screw extruder by the material that 1. step mixes, melt extrude, obtained nano modification PP electric four-wheel vehicle strengthens anti-aging PP Pipe Compound.
Wherein twin screw extruder each temperature controlled region temperature, the temperature in temperature control 1-2 district is 200 ~ 250 DEG C, and the temperature in temperature control 3-4 district is 220-280 DEG C, and the temperature in temperature control 5-6 district is 250 ~ 280 DEG C, the temperature in temperature control 7-8 district is 250 ~ 280 DEG C, and the temperature in temperature control 9-10 district is 240 ~ 280 DEG C.
Embodiment 2
Polypropylene 115 parts, 25 parts, ethylene-propylene rubber(EPR), modified Nano crystallization composite oxides 10 parts, ethylene bis stearamide 11 parts, chlorinatedpolyethylene 0.8 part, 0.4 part, oxidation inhibitor.
Described nanocrystal composite oxides are Ti 0.4al 0.5mg 0.2zn 0.2o 1.8, surface-area is 5 ~ 35m 2/ g, its crystallite dimension is for being 15 ~ 30nm; Oxidation inhibitor is β-positive octadecanol ester of (4-hydroxy phenyl-3,5-di-t-butyl) propionic acid.
Described modified Nano crystallization composite oxides are with the weight of nanocrystal composite oxides for benchmark, the titanate coupling agent surface modification of nanocrystal composite oxides via 0.5wt% are obtained.
Processing step is with embodiment 1.
Embodiment 3
Polypropylene 120 parts, 25 parts, ethylene-propylene rubber(EPR), modified Nano crystallization composite oxides 15 parts, ethylene bis stearamide 12 parts, chlorinatedpolyethylene 0.9 part, 0.6 part, oxidation inhibitor.
Described nanocrystal composite oxides are Ti 0.5al 0.3mg 0.4zn 0.3o 2.15, surface-area is 5 ~ 35m 2/ g, its crystallite dimension is for being 15 ~ 30nm; Oxidation inhibitor is selected from four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
Described modified Nano crystallization composite oxides are with the weight of nanocrystal composite oxides for benchmark, the titanate coupling agent surface modification of nanocrystal composite oxides via 0.5wt% are obtained.
Processing step is with embodiment 1.
Comparative example 1
Polypropylene 100 parts, 15 parts, ethylene-propylene rubber(EPR), nano titanium oxide 2 parts, nano magnesia 2 parts, nano silicon 1 part, ethylene bis stearamide 9 parts, chlorinatedpolyethylene 0.5 part, 0.2 part, oxidation inhibitor.
Oxidation inhibitor is β-positive octadecanol ester of (4-hydroxy phenyl-3,5-di-t-butyl) propionic acid.
Processing step is with embodiment 1.
Comparative example 2
Polypropylene 115 parts, 25 parts, ethylene-propylene rubber(EPR), nano titanium oxide 5 parts, nano magnesia 3 parts, nano silicon 2 parts, ethylene bis stearamide 11 parts, chlorinatedpolyethylene 0.8 part, 0.4 part, oxidation inhibitor.
Oxidation inhibitor is β-positive octadecanol ester of (4-hydroxy phenyl-3,5-di-t-butyl) propionic acid.
Processing step is with embodiment 1.
Above-described embodiment, comparative example the performance test results:
Note: each test event is all undertaken by concerned countries standard
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from spirit of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.

Claims (4)

1. a nano modification PP electric four-wheel vehicle strengthens anti-aging PP Pipe Compound, raw materials by weight portion takes: polypropylene 100 ~ 120 parts, 15 ~ 30 parts, ethylene-propylene rubber(EPR), modified Nano crystallization composite oxides 5-15 part, ethylene bis stearamide 8 ~ 14 parts, chlorinatedpolyethylene 0.5 ~ 0.9 part, oxidation inhibitor 0.2-0.6 part; Described nanocrystal composite oxides are by following general formula: Ti aal bmg czn do x, wherein a=0.1-0.5, b=0.3-0.7, c=0.2-0.5, d=0.1-0.3, X>=1; Described modified Nano crystallization composite oxides are with the weight of nanocrystal composite oxides for benchmark, the titanate coupling agent surface modification of nanocrystal composite oxides via 0.5wt% are obtained.
2. nano modification PP electric four-wheel vehicle strengthens anti-aging PP Pipe Compound as claimed in claim 1, it is characterized in that: described nanocrystal complex oxide surface amasss 5 ~ 35m 2/ g, crystallite dimension is 10nm ~ 100nm.
3. nano modification PP electric four-wheel vehicle strengthens anti-aging PP Pipe Compound as claimed in claim 1, it is characterized in that: oxidation inhibitor is selected from β-(4-hydroxy phenyl-3,5-di-t-butyl) the positive octadecanol ester of propionic acid, four ［ β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid ］ pentaerythritol ester or their mixtures.
4. as described in claim 1-3, nano modification PP electric four-wheel vehicle strengthens the preparation method of anti-aging PP Pipe Compound, carries out according to following step:
1. take polypropylene, ethylene-propylene rubber(EPR), modified Nano crystallization composite oxides, ethylene bis stearamide, chlorinatedpolyethylene, oxidation inhibitor in proportion, then throw and mix 10-40 minute to mixing tank;
2. throw in twin screw extruder by the material that 1. step mixes, melt extrude, obtained nano modification PP electric four-wheel vehicle strengthens anti-aging PP Pipe Compound;
Wherein twin screw extruder each temperature controlled region temperature, the temperature in temperature control 1-2 district is 185 ~ 195 DEG C, and the temperature in temperature control 3-4 district is 190-200 DEG C, and the temperature in temperature control 5-6 district is 195 ~ 205 DEG C, the temperature in temperature control 7-8 district is 200 ~ 210 DEG C, and the temperature in temperature control 9-10 district is 210 ~ 220 DEG C.
CN201510213872.0A 2015-04-30 2015-04-30 A kind of nano modification PP electric four-wheel vehicle strengthens aging resistance PP Pipe Compound Active CN104788823B (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN107043510A (en) * 2016-12-20 2017-08-15 吴中区穹窿山福顺生物技术研究所 A kind of acrylic acid composite of nanocrystal composite oxide modified and preparation method thereof

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US20110060075A1 (en) * 2009-09-07 2011-03-10 Sumitomo Chemical Company, Limited Polypropylene resin composition and process for producing the same
CN102838806A (en) * 2012-10-12 2012-12-26 南京金杉汽车工程塑料有限责任公司 Low-density high-fluidity high-modulus polypropylene and preparation method thereof
CN102964675A (en) * 2011-09-01 2013-03-13 合肥杰事杰新材料股份有限公司 Scraping-resistant toughened reinforced flame-retardant polypropylene material and preparation method and application thereof

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Publication number Priority date Publication date Assignee Title
JP2007070602A (en) * 2005-08-10 2007-03-22 Hitachi Cable Ltd Non-halogen flame retardant thermoplastic elastomer composition, its production method and electric wire/cable using the same
US20110060075A1 (en) * 2009-09-07 2011-03-10 Sumitomo Chemical Company, Limited Polypropylene resin composition and process for producing the same
CN101921430A (en) * 2010-08-18 2010-12-22 苏州奔腾塑业有限公司 Mineral filled polypropylene with high strength and high impact resistance and preparation method thereof
CN102964675A (en) * 2011-09-01 2013-03-13 合肥杰事杰新材料股份有限公司 Scraping-resistant toughened reinforced flame-retardant polypropylene material and preparation method and application thereof
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107043510A (en) * 2016-12-20 2017-08-15 吴中区穹窿山福顺生物技术研究所 A kind of acrylic acid composite of nanocrystal composite oxide modified and preparation method thereof

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