CN101210088A - Polypropylene composite material with excellent illumination aging resisting performance and preparing method thereof - Google Patents

Polypropylene composite material with excellent illumination aging resisting performance and preparing method thereof Download PDF

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Publication number
CN101210088A
CN101210088A CNA200610148847XA CN200610148847A CN101210088A CN 101210088 A CN101210088 A CN 101210088A CN A200610148847X A CNA200610148847X A CN A200610148847XA CN 200610148847 A CN200610148847 A CN 200610148847A CN 101210088 A CN101210088 A CN 101210088A
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CN
China
Prior art keywords
polypropylene composite
polypropylene
resisting performance
aging resisting
illumination aging
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Pending
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CNA200610148847XA
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Chinese (zh)
Inventor
张鹰
张祥福
周文
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PULIT COMPOSITE MATERIAL CO Ltd SHANGHAI
Shanghai Pret Composites Co Ltd
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PULIT COMPOSITE MATERIAL CO Ltd SHANGHAI
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Priority to CNA200610148847XA priority Critical patent/CN101210088A/en
Publication of CN101210088A publication Critical patent/CN101210088A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04Particle-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92514Pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92561Time, e.g. start, termination, duration or interruption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895Barrel or housing

Abstract

The invention discloses a polypropylene composite material that has excellent light and aging resistant performance and a preparation method thereof. The polypropylene composite material that has excellent light and aging resistant performance consists of raw materials comprising 55 to 95wt percent of polypropylene, 0 to 40wt percent of inorganic filler, 0 to 20wt percent of toughener POE, 0.1 to 5wt percent of molecular sieve activator powder, 0.1 to 1wt percent of main chemical inhibitor, 0.1 to 1wt percent of secondary chemical inhibitor, 0.1 to 2wt percent of light stabilizer agent and 0 to 5.0wt percent of other additives. By adding powder molecular sieve into basic formulation of the polypropylene composite material, the dispersibility of the light stabilizer agent in the polypropylene composite material is effectively improved, thus improving the light and aging resistant performance of the polypropylene composite material.

Description

Has polypropylene composite material of excellent illumination aging resisting performance and preparation method thereof
Technical field
The present invention relates to a kind of polypropylene composite material and preparation method thereof, belong to polymer modification and manufacture field with excellent illumination aging resisting performance.
Background technology
Polypropylene has good processing properties because of it and physics, mechanics, chemical property obtain widespread use, is the fastest universal thermoplastics of present rate of growth.But the not good Application Areas that has also influenced it of the illumination aging resisting performance of polypropylene composite material.
The illumination aging resisting performance of polypropylene composite material is mainly by adding various photostabilizers and heat-proof aging auxiliary agent and utilizing two kinds of synergies between auxiliary agent to realize at present.But compare with this high molecular weight polymers of polypropylene, most light stabilization aids comprise that various photomask agent, UV light absorber, radical scavenger etc. all are lower organic compound of molecular weight or oligopolymer.When these auxiliary agents are added in this high molecular weight material of polypropylene, under the situation of high temperature or UV-irradiation, the trend of separating out to product surface is gradually arranged all.Particularly when the content of light stabilization aid is big, this just easier generation of phenomenon of separating out, product surface even can produce the bloom phenomenon in the time of serious to product surface.In addition, a lot of auxiliary agents such as UV770 (chemical name is two (2,2,6, the 6-tetramethyl-piperidyl) sebates) itself is just very poor with the consistency of acrylic resin, more can aggravate the generation of this phenomenon.And the light stabilization aid is separated out the outward appearance and the surface property that not only can influence product from product surface, but also has seriously reduced the long-term light aging resisting property of product.
At this problem, Lajos Avar etc. are at U.S. Pat P6, mention a kind of response type photostabilizer in 201,047, promptly this photostabilizer can and matrix material in base-material (as polypropylene) thus chemical bonding takes place reaches the effect that stops photostabilizer to move to material surface.But the molecular structure of this photostabilizer is more special, still is in the laboratory synthesis phase, so be not adapted at widespread use in the actual production at present.And QiWang is at U.S. Pat P7, then mentioned by the macromole photostabilizer that adopts a kind of grade polymer in 019,055 delaying the migration of photostabilizer to material surface.Also have only several thousand but the molecular weight of in fact this macromole photostabilizer is the highest, this with composite system in the molecular weight macromolecule resin base-material that reaches hundreds of thousands of compare still and differ greatly, therefore this photostabilizer remains inevitable to the trend of material surface migration.
Summary of the invention
Purpose of the present invention aims to provide a kind of polypropylene composite material with excellent illumination aging resisting performance, to overcome the shortcoming that existing polypropylene composite material is subjected to photoaging easily.
To achieve these goals, the polypropylene composite material with excellent illumination aging resisting performance of the present invention is characterized in that: form by following raw materials by weight percent:
Polypropylene 55~95%
Mineral filler 0~40%
Toughner POE 0~20%
Molecular sieve activation powder 0.1~5%
Primary antioxidant 0.1~1%
Auxiliary anti-oxidant 0.1~1%
Photostabilizer 0.1~2%
Other additives 0~5.0%
Adopt technique scheme, the present invention has certain adsorbing mealy molecular sieve in right amount by interpolation in polypropylene composite material and improves the dispersion of photostabilizer in polypropylene composite material, improve the anti-precipitation ability of photostabilizer, thereby make the illumination aging resisting performance that whole polypropylene composite material maintains a long-term stability.Molecular sieve is a kind of crystalline silico-aluminate, because it has the aperture of homogeneous and high specific surface area, so have certain adsorption for little polar molecule and unsaturated molecule.Therefore, the present invention adds a kind of mealy molecular sieve in the basic components of polypropylene composite material, this molecular screen material can improve the dispersion of photostabilizer in polypropylene composite material effectively, thereby has improved the illumination aging resisting performance of polypropylene composite material.
In the polypropylene composite material with excellent illumination aging resisting performance of the present invention, described polypropylene is (230 ℃ * 2.16kg) high crystallization homo-polypropylene or the block copolymerization propylene between 0.5~60g/10min of melt flow rate (MFR)s, wherein the comonomer of block copolymerization propylene is common is ethene, its content is in the scope of 4~10mol%, the degree of crystallinity of high-crystallinity polypropylene is 70~100%, and degree of isotacticity is 99~100%.
Described mineral filler is talcum powder or lime carbonate or barium sulfate or three's a composition, and its particle size range is 1~10 micron.
Described toughner POE is linear ethylene-octene copolymer, and density is 0.88~0.90g/cm 3, melting index is 1~50g/10min.
Described oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant, and primary antioxidant is selected hindered phenol or thioesters kind antioxidant for use, and auxiliary anti-oxidant is selected the phosphorite kind antioxidant for use.Furtherly, described primary antioxidant be 3114,1010, DSTP wherein one or more; Described auxiliary anti-oxidant be 618,168 wherein one or more.
Described photostabilizer is selected hindered amine light stabilizer for use, as the composition of one or more or they in 944,770 and benzotriazole light stabilizer such as UV-74.
Described molecular sieve activation powder is the alkali metal aluminosilicate powder of sodium type crystal structure, and chemical formula is Na 86[(AlO 2) 86(SiO 2) 106] XH 2O, diameter of particle require greater than 200 orders, and it is greater than 10 dusts that the microporous molecular sieve aperture requires.Furtherly, molecular sieve activation powder is 13X molecular sieve activation powder, and its optimum addition is 1~3% by weight percentage.
Described other additives comprise shades of colour additive, various ester class or fatty acid lubricant.
In addition, the present invention also provides this preparation method with polypropylene composite material of excellent illumination aging resisting performance, it is characterized in that comprising following steps:
(1) takes by weighing raw material by weight ratio;
(2) polypropylene, talcum powder, thermoplastic elastomer, molecular sieve activation powder, oxidation inhibitor, photostabilizer or other additives were done in super mixer mixed 3~5 minutes;
(3) raw materials mixed is placed dual-screw-stem machine, through melt extruding, granulation, wherein district's temperature is 190~200 ℃, and two district's temperature are 200~210 ℃, and three district's temperature are 210~220 ℃, and four district's temperature are 205~215 ℃; The residence time is 1~2 minute, and pressure is 12~18MPa.
The present invention adds a kind of molecular sieve activation powder that can improve the anti-precipitation ability of photostabilizer in composite system effectively in the basic components of the polypropylene composite material of illumination aging resisting, thereby prepare the better polypropylene composite material of illumination aging resisting performance, specifically have following advantage:
1, the present invention uses an amount of mealy molecular sieve can improve the anti-precipitation ability of photostabilizer in composite system, makes polypropylene compound material prepared have better illumination aging resisting characteristic.
2, polypropylene compound material prepared of the present invention is when guaranteeing the material illumination aging resisting performance, and every physical and mechanical property of material is unaffected substantially.
3, the method preparation technology who improves the polypropylene composite material illumination aging resisting performance of the present invention's proposition is simple, production cost is low.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
In embodiment and Comparative Examples composite-material formula, polypropylene is different mobile high crystallization homo-polypropylene and block copolymerization propylene, consumption is 55~95% weight parts, and wherein the comonomer of block copolymerization propylene is common is ethene, and its content is in the scope of 4~10mol%.Polyacrylic melt flow rate (MFR) (230 ℃ * 2.16kg) be 5~60g/10min.The degree of crystallinity of high-crystallinity polypropylene is more than 70%, and degree of isotacticity is greater than 99%.The particle size range of described talcum powder, lime carbonate or barium sulfate is 1~10 micron.Described toughner POE is linear ethylene-octene copolymer that E.I.Du Pont Company produces, and density is 0.88~0.90g/cm 3, melting index is 1~50g/10min.Described molecular sieve activation powder is the 13X molecular sieve activation powder of micropore size greater than 10A (dust).Described primary antioxidant is the DSTP that Britain ICE company produces, and trade names are Negonox DSTP, and chemical name is the thio-2 acid octadecyl ester, and Ciba company produce 3114, trade names are Irganox 3114, and chemical name is 3,5-di-tert-butyl-4-hydroxyl benzyl diethyl phosphoric acid.Auxiliary anti-oxidant is 168 of Ciba company product, and trade names are Irgafos 168, and chemical name is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester.Described photostabilizer is 944 of Ciba company product, and chemical name is poly-{ [6-[(1,1,3, the 3-tetramethyl butyl) amino]]-1,3,5-triazine-2,4-two [(2,2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1,6-oneself two the support [(2,2,6,6-tetramethyl--4-piperidyl) imino-], and Ciba company produce 770, chemical name is two (2,2,6, the 6-tetramethyl-piperidyl) sebate, and the UV-74 of Ciba company product, chemical name is 2-(2 '-hydroxyl-3 ', 5 '-diamyl phenyl) benzotriazole.Comprise shades of colour additive, various ester class or fatty acid lubricant etc. in addition.
Resin and various additive do to mix in super mixer 3~5 minutes, again in twin screw extruder through melt extruding, granulation, its technology is: 190~200 ℃ in a district, 200~210 ℃ in two districts, 210~220 ℃ in three districts, 205~215 ℃ in four districts; The residence time is 1~2 minute, and pressure is 12~18Mpa.
Performance evaluation mode and implementation standard:
With the particulate material of finishing granulation as stated above in 90~100 ℃ convection oven dry 2~3 hours in advance, and then the particulate material that drying is good carried out the injection molding sample preparation on injection moulding machine.
The tensile property test is undertaken by ISO 527-2, and specimen size is 150*10*4mm, and draw speed is 50mm/min; The bending property test is undertaken by ISO 178, and specimen size is 80*10*4mm, and rate of bending is 2mm/min, and span is 64mm; Simple beam impact strength is undertaken by ISO 179, and specimen size is 80*6*4mm, and notch depth is 1/3rd of a sample thickness; Heat-drawn wire is undertaken by ISO 75, and specimen size is 120*10*3.0mm, and load is 1.8MPa.The illumination ageing performance test is undertaken by the PV1303 standard, and periodicity of illumination was 5 cycles, and specimen size is 145*45*3.2mm, adopts Atlas Ci4000 water-cooled xenon lamp aging instrument to carry out the illumination ageing performance test.
Comprehensive mechanical performance is passed judgment on by the numerical value of shock strength, notched Izod impact strength, tensile strength, flexural strength and the modulus in flexure of test gained.The illumination aging resisting performance of material is according to the PV1303 standard code, passes judgment on the photostabilization grade according to the value of the colour-change scale Δ E of material surface.Specifically be divided into 5 grades: Δ E=0 ± 0.2 is 5 grades; Δ E=0.8 ± 0.2 is 4.5 grades; Δ E=1.7 ± 0.3 is 4 grades, and Δ E=2.5 ± 0.35 is 3.5 grades; Δ E=3.4 ± 0.4 is 3 grades; Δ E=4.8 ± 0.5 is 2.5 grades; Δ E=6.8 ± 0.6 is 2 grades; Δ E=9.6 ± 0.7 is 1.5 grades; Δ E=13.6 ± 1.0 are 1 grade.The numerical value of Δ E is more little, and the light aging resisting property of expression material is good more, and the photostabilization grade is also just high more.Example formulations and every The performance test results be each table as follows:
Table 1 embodiment 1-4 and Comparative Examples 1,2 material prescription tables
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Comparative Examples 1 Comparative Examples 2
Polypropylene, the % weight part 95.65 93.65 55.65 53.65 97.65 57.65
Talcum powder, the % weight part - - 30 30 - 30
Toughner POE, the % weight part - - 10 10 - 10
13X molecular sieve activation powder % weight part 2 4 2 4 - -
Antioxidant 1010, the % weight part 0.15 0.15 0.15 0.15 0.15 0.15
Oxidation inhibitor DSTP % weight part 0.3 0.3 0.3 0.3 0.3 0.3
Oxidation inhibitor 168, the % weight part 0.2 0.2 0.2 0.2 0.2 0.2
Photostabilizer 944 % weight parts 0.3 0.3 0.3 0.3 0.3 0.3
Photostabilizer 770 % weight parts 0.3 0.3 0.3 0.3 0.3 0.3
Photostabilizer UV-74 % weight part 0.1 0.1 0.1 0.1 0.1 0.1
Black masterbatch 1 1 1 1 1 1
The test result of each prescription is as follows:
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Comparative Examples 1 Comparative Examples 2
Melting index (g/10min) 11 11 8 8 11 8
Shock strength (kJ/m 2) NB NB 52 50 NB 54
Notched Izod impact strength (kJ/m 2) 13.5 11.2 11 9.8 15 12
Tensile strength (MPa) 26 25 25 24 26 25
Flexural strength (MPa) 33 34 45 46 32 45
Modulus in flexure (MPa) 1280 1320 2120 2250 1100 2000
The photostabilization grade 5 grades 4.5 level 5 grades 4 grades 4 grades 3.5 level
From the contrast of the contrast of embodiment 1,2 and Comparative Examples 1 and embodiment 3,4 and Comparative Examples 2 as can be seen, no matter be the system of virgin pp or toughner arranged and polypropylene composite material system that talcum powder is filled that molecular sieve is helpful to the light aging resisting property that improves material.Wherein the interpolation of 2% molecular sieve activation powder can significantly improve the light aging resisting property of PP material, and the molecular sieve addition is increased to 4%, effect descends on the contrary to some extent, though this mainly is because excessive interpolation molecular sieve can suppress separating out to material surface of photostabilizer better, but also can a large amount of photostabilizers will be adsorbed simultaneously, thereby have influence on the activity of photostabilizer, this is unfavorable for improving the light aging resisting property of material again.Simultaneously from the contrast of the material mechanical performance of embodiment 1-4 and Comparative Examples 1,2 also as can be seen the addition of molecular sieve be controlled at about 2% weight part the most suitable.At this moment, material not only possesses better light aging resisting property, and the basic physical and mechanical property of material also can keep preferably simultaneously.

Claims (11)

1. polypropylene composite material with excellent illumination aging resisting performance is characterized in that: form by following raw materials by weight percent:
Polypropylene 55~95%
Mineral filler 0~40%
Toughner POE 0~20%
Molecular sieve activation powder 0.1~5%
Primary antioxidant 0.1~1%
Auxiliary anti-oxidant 0.1~1%
Photostabilizer 0.1~2%
Other additives 0~5.0%.
2. the polypropylene composite material with excellent illumination aging resisting performance according to claim 1 is characterized in that: described molecular sieve activation powder is the alkali metal aluminosilicate powder of sodium type crystal structure, and chemical formula is Na 86[(AlO 2) 86(SiO 2) 106] XH 2O, diameter of particle require to be not less than 200 orders, and the microporous molecular sieve aperture is not less than 10 dusts.
3. the polypropylene composite material with excellent illumination aging resisting performance according to claim 2 is characterized in that: described molecular sieve activation powder is 13X molecular sieve activation powder, and its optimum addition is 1~3% by weight percentage.
4. the polypropylene composite material with excellent illumination aging resisting performance according to claim 1, it is characterized in that: described polypropylene is (230 ℃ * 2.16kg) high crystallization homo-polypropylene or the block copolymerization propylene between 0.5~60g/10min of melt flow rate (MFR)s, wherein the comonomer of block copolymerization propylene is common is ethene, its content is in the scope of 4~10mol%, the degree of crystallinity of high-crystallinity polypropylene is 70~100%, and degree of isotacticity is 99~100%.
5. the polypropylene composite material with excellent illumination aging resisting performance according to claim 1 is characterized in that: described mineral filler is talcum powder or lime carbonate or barium sulfate or three's a composition, and its particle size range is 1~10 micron.
6. the polypropylene composite material with excellent illumination aging resisting performance according to claim 1 is characterized in that: described toughner POE is linear ethylene-octene copolymer, and density is 0.88~0.90g/cm 3, melting index is 1~50g/10min.
7. the polypropylene composite material with excellent illumination aging resisting performance according to claim 1, it is characterized in that: described oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant, primary antioxidant is selected hindered phenol or thioesters kind antioxidant for use, and auxiliary anti-oxidant is selected the phosphorite kind antioxidant for use.
8. the polypropylene composite material with excellent illumination aging resisting performance according to claim 7 is characterized in that: described primary antioxidant is 3114,1010, DSTP wherein one or more; Described auxiliary anti-oxidant be 618,168 wherein one or more.
9. the polypropylene composite material with excellent illumination aging resisting performance according to claim 1, it is characterized in that: described photostabilizer is selected hindered amine light stabilizer for use, as the composition of one or more or they in 944,770 and benzotriazole light stabilizer such as UV-74.
10. the polypropylene composite material with excellent illumination aging resisting performance according to claim 1 is characterized in that: described other additives comprise shades of colour additive, various ester class or fatty acid lubricant.
11. the preparation method with polypropylene composite material of excellent illumination aging resisting performance according to claim 1 is characterized in that:
(1) takes by weighing raw material by weight ratio;
(2) polypropylene, talcum powder, thermoplastic elastomer, molecular sieve activation powder, oxidation inhibitor, photostabilizer or other additives were done in super mixer mixed 3~5 minutes;
(3) raw materials mixed is placed dual-screw-stem machine, through melt extruding, granulation, wherein district's temperature is 190~200 ℃, and two district's temperature are 200~210 ℃, and three district's temperature are 210~220 ℃, and four district's temperature are 205~215 ℃; The residence time is 1~2 minute, and pressure is 12~18MPa.
CNA200610148847XA 2006-12-30 2006-12-30 Polypropylene composite material with excellent illumination aging resisting performance and preparing method thereof Pending CN101210088A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101717544B (en) * 2008-10-09 2012-02-08 金发科技股份有限公司 Black polypropylene anti-corrosive material and method for preparing same
CN103012970A (en) * 2012-12-03 2013-04-03 合肥杰事杰新材料股份有限公司 Weatherproof ageing-resistant polypropylene material and preparation method thereof
CN103160021A (en) * 2011-12-13 2013-06-19 合肥杰事杰新材料股份有限公司 Pale yellow polypropylene material for resisting top white, and preparation method thereof
CN103589074A (en) * 2012-08-13 2014-02-19 合肥杰事杰新材料股份有限公司 Filling polypropylene material with high heat-proof aging performance and preparation method thereof
CN107973960A (en) * 2017-12-07 2018-05-01 广东波斯科技股份有限公司 Low film masterbatch for separating out color inhibition features and preparation method thereof
CN110041616A (en) * 2019-04-29 2019-07-23 宿迁联盛科技股份有限公司 Anti- 3853 master batch of precipitation light stabilizer of one kind and preparation method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101717544B (en) * 2008-10-09 2012-02-08 金发科技股份有限公司 Black polypropylene anti-corrosive material and method for preparing same
CN103160021A (en) * 2011-12-13 2013-06-19 合肥杰事杰新材料股份有限公司 Pale yellow polypropylene material for resisting top white, and preparation method thereof
CN103589074A (en) * 2012-08-13 2014-02-19 合肥杰事杰新材料股份有限公司 Filling polypropylene material with high heat-proof aging performance and preparation method thereof
CN103012970A (en) * 2012-12-03 2013-04-03 合肥杰事杰新材料股份有限公司 Weatherproof ageing-resistant polypropylene material and preparation method thereof
CN103012970B (en) * 2012-12-03 2017-02-15 合肥杰事杰新材料股份有限公司 Weatherproof ageing-resistant polypropylene material and preparation method thereof
CN107973960A (en) * 2017-12-07 2018-05-01 广东波斯科技股份有限公司 Low film masterbatch for separating out color inhibition features and preparation method thereof
CN110041616A (en) * 2019-04-29 2019-07-23 宿迁联盛科技股份有限公司 Anti- 3853 master batch of precipitation light stabilizer of one kind and preparation method thereof
CN110041616B (en) * 2019-04-29 2021-12-03 宿迁联盛科技股份有限公司 Anti-precipitation light stabilizer 3853 master batch and preparation method thereof

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Application publication date: 20080702