CN103819812A - Folding-resistant polypropylene composite material and preparation method for same - Google Patents
Folding-resistant polypropylene composite material and preparation method for same Download PDFInfo
- Publication number
- CN103819812A CN103819812A CN201210464034.7A CN201210464034A CN103819812A CN 103819812 A CN103819812 A CN 103819812A CN 201210464034 A CN201210464034 A CN 201210464034A CN 103819812 A CN103819812 A CN 103819812A
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- Prior art keywords
- fold
- polypropylene
- equal
- resistant
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Classifications
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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
-
- 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
- C08L23/14—Copolymers of propene
-
- 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
Abstract
The invention discloses a folding-resistant polypropylene composite material and a preparation method for the same. According to the composite material, at least one of homopolymerized propylene and copolymerized propylene with melt flow rate of 0.01 to 100g/10min is adopted as a resin substrate, and a metallocene elastomer with melt flow rate of 0.5 to 100g/10min and propylene content of 80 to 90 weight percent is adopted as a toughening agent, so that the folding resistance of the polypropylene under low-temperature and mineral-filled conditions is improved, and the obtained composite material has high rigidity, high heat resistant, extremely high breaking elongation, high folding resistance, tensile strength of more than or equal to 27MPa, bending modulus of more than or equal to 1,500MPa, notch impact strength of more than or equal to 5KJ/m<2> at normal temperature (23 DEG C), breaking elongation of more than or equal to 200 percent, heat distortion temperature of more than or equal to 110 DEG C and minus 20 DEG C hinge (0.5mm) folding times of more than or equal to 106, and is applied to an automotive interior part with a hinge structure such as an automotive fuse box.
Description
Technical field
The present invention relates to a kind of fold resistant polymer composite, relate in particular to a kind of fold-resistant polypropylene matrix material and preparation method thereof, this matrix material is applicable to the automobile component with hinge arrangement such as automobile fuse box.
Background technology
Polypropylene (PP) is commonly called as polypropylene (PP), has excellent fold resistant performance, but it is under cold condition and have mineral-filled in the situation that, and its fold resistant performance declines and even disappears rapidly.And automobile fuse boxes etc. mainly adopt mineral filled polypropylene mixture cheaply to carry out injection moulding preparation with the automotive part of hinge arrangement at present, become the emphasis of current research for guaranteeing its fold resistant performance under cold condition, develop still to have under a kind of cold condition the polypropylene composite material of excellent folding resistance.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of fold-resistant polypropylene matrix material and preparation method thereof, this polypropylene composite material has well solved low temperature and the mineral-filled poor problem of polypropylene fold resistant performance that makes.
The present invention for the technical scheme that solves its technical problem and adopt is:
A kind of fold-resistant polypropylene matrix material, by forming by each component of total mass per-cent below:
Wherein said polypropylene be melt flow rate (MFR) be 0.01 ~ 100g/10min homopolymerization type polypropylene and the melt flow rate (MFR) copolymerized type propene polymer that is 0.01 ~ 100g/10min at least one;
The melt flow rate (MFR) of described Metallocene elastomer is 0.5 ~ 100g/10min, and in this Metallocene elastomer, the quality percentage composition of propylene is 80 ~ 90wt.%.
Its further technical scheme is:
Described thermo-stabilizer is at least one in mixture class, phosphorous acid esters, half Hinered phenols, amine and the calixarene of phenols, acryl functional group and monothioester.
Described processing aid is at least one in low molecule ester class, metal soap, stearic acid complex ester class and amides.
Described mineral filler is at least one in calcium carbonate, talcum powder, kaolin, mica, wollastonite, glass microballon, ceramic fine bead and barium sulfate.
The invention allows for a kind of preparation method of fold-resistant polypropylene matrix material, in the twin screw extruder that is 40:1 in length-to-diameter ratio by the mineral filler of the processing aid of the thermo-stabilizer of the Metallocene elastomer of the polypropylene of described 58 ~ 98wt.%, 1.8 ~ 10.0wt.%, 0.1 ~ 1.0wt.%, 0.1 ~ 1.0wt.% and 0 ~ 30 wt.%, melting mixing is disperseed, and at 170 ~ 240 ℃ extruding pelletization, obtain the polypropylene composite material of fold resistant.
Useful technique effect of the present invention is: it is that at least one in homopolymerization type polypropylene and the copolymerized type propene polymer of 0.01 ~ 100g/10min is as resin matrix that the present invention adopts melt flow rate (MFR), selecting melt flow rate (MFR) is 0.5 ~ 100g/10min, propylene content is that the Metallocene elastomer of 80 ~ 90wt.% is as toughner, improve the fold resistant performance of polypropylene under low temperature and mineral-filled condition, gained matrix material has excellent rigidity, thermotolerance and high elongation at break and excellent fold resistant performance, its tensile strength>=27MPa, modulus in flexure>=1500MPa, normal temperature (23 ℃) notched Izod impact strength>=5KJ/m
2, tension set>=200%, heat-drawn wire>=110 ℃ ,-20 ℃ of hinges (0.5mm) folding times>=10
6inferior.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but the present invention is not limited to following embodiment.
Embodiment 1:
By 98.0 kilograms of polypropylene PP S700,0.1 kilogram of phenols thermo-stabilizer Irganox 1010(CIBA company), melting mixing is disperseed in 0.1 kilogram of processing aid calcium stearate, the 1.8 kilograms of Exxon Mobil Metallocene elastomer VM6202 twin screw extruder that is 1:40 in length-to-diameter ratio, extrusion temperature is 170 ℃, extruding pelletization, finally obtain products A, products A performance is as shown in table 1:
Table 1 products A performance
| Performance | Unit | Testing standard | Test result |
| Tensile strength | MPa | ISO527/2-93 | 34 |
| Elongation at break | % | ISO527/2-93 | 260 |
| Modulus in flexure | MPa | ISO178-93 | 1500 |
| Normal temperature (23 ℃) notched Izod impact strength | KJ/m 2 | ISO180-93 | 5 |
| Heat-drawn wire | ℃ | ISO?75 | 112 |
| -20 ℃ of hinges (0.5mm) folding times | Inferior | -- | 10 7 |
Embodiment 2:
By 84.5 kilograms of polypropylene PP T30S, 0.3 kilogram of phenols thermo-stabilizer Irganox 1010(CIBA company), melting mixing is disperseed in 0.2 kilogram of processing aid calcium stearate, 5.0 kilograms of Exxon Mobil Metallocene elastomer VM6102, the 10.0 kilograms of talcum powder twin screw extruder that is 1:40 in length-to-diameter ratio, extrusion temperature is 200 ℃, extruding pelletization, finally obtain product B, product B performance is as shown in table 2:
Table 2 product B performance
| Performance | Unit | Testing standard | Test result |
| Tensile strength | MPa | ISO527/2-93 | 33 |
| Elongation at break | % | ISO527/2-93 | 280 |
| Modulus in flexure | MPa | ISO178-93 | 1800 |
| Normal temperature (23 ℃) notched Izod impact strength | KJ/m 2 | ISO180-93 | 6.5 |
| Heat-drawn wire | ℃ | ISO?75 | 115 |
| -20 ℃ of hinges (0.5mm) folding times | Inferior | -- | 10 7 |
Embodiment 3:
By 71.0 kilograms of polypropylene PP BX3800,0.5 kilogram of phenols thermo-stabilizer Irganox 1010(CIBA company), melting mixing is disperseed in 0.5 kilogram of processing aid calcium stearate, 8.0 kilograms of Exxon Mobil Metallocene elastomer VM3980, the 20.0 kilograms of talcum powder twin screw extruder that is 1:40 in length-to-diameter ratio, extrusion temperature is 200 ℃, extruding pelletization, finally obtain products C, products C performance is as shown in table 3:
Table 3 products C performance
| Performance | Unit | Testing standard | Test result |
| Tensile strength | MPa | ISO527/2-93 | 28 |
| Elongation at break | % | ISO527/2-93 | 300 |
| Modulus in flexure | MPa | ISO178-93 | 2400 |
| Normal temperature (23 ℃) notched Izod impact strength | KJ/m 2 | ISO180-93 | 6.0 |
| Heat-drawn wire | ℃ | ISO?75 | 120 |
| -20 ℃ of hinges (0.5mm) folding times | Inferior | -- | 10 7 |
Embodiment 4:
By 58.0 kilograms of polypropylene PP S900,1.0 kilograms of phenols thermo-stabilizer Irganox 1010(CIBA companies), melting mixing is disperseed in 1.0 kilograms of processing aid calcium stearates, 10.0 kilograms of Exxon Mobil Metallocene elastomer VM3020, the 30.0 kilograms of calcium carbonate twin screw extruder that is 1:40 in length-to-diameter ratio, extrusion temperature is 240 ℃, extruding pelletization, finally obtain product D, product D performance is as shown in table 4:
Table 4 product D performance
| Performance | Unit | Testing standard | Test result |
| Tensile strength | MPa | ISO527/2-93 | 29.5 |
| Elongation at break | % | ISO527/2-93 | 300 |
| Modulus in flexure | MPa | ISO178-93 | 2700 |
| Normal temperature (23 ℃) notched Izod impact strength | KJ/m 2 | ISO180-93 | 7.0 |
| Heat-drawn wire | ℃ | ISO?75 | 120 |
| -20 ℃ of hinges (0.5mm) folding times | Inferior | -- | 10 7 |
From above-mentioned experimental result, product of the present invention has excellent rigidity, thermotolerance and high elongation at break and excellent fold resistant performance, its tensile strength>=27MPa, modulus in flexure>=1500MPa, normal temperature (23 ℃) notched Izod impact strength>=5KJ/m2, tension set>=200%, heat-drawn wire>=110 ℃ ,-20 ℃ of hinges (0.5mm) folding times>=10
6inferior.
Above embodiment is only exemplary embodiment of the present invention, is not used in restriction the present invention, and protection scope of the present invention is defined by the claims.Those skilled in the art can, in essence of the present invention and protection domain, make various modifications or be equal to replacement the present invention, this modification or be equal to replacement and also should be considered as dropping in protection scope of the present invention.
Claims (5)
1. a fold-resistant polypropylene matrix material, is characterized in that: by forming by each component of total mass per-cent below:
Wherein said polypropylene be melt flow rate (MFR) be 0.01 ~ 100g/10min homopolymerization type polypropylene and the melt flow rate (MFR) copolymerized type propene polymer that is 0.01 ~ 100g/10min at least one;
The melt flow rate (MFR) of described Metallocene elastomer is 0.5 ~ 100g/10min, and in this Metallocene elastomer, the quality percentage composition of propylene is 80 ~ 90wt.%.
2. fold-resistant polypropylene matrix material according to claim 1, is characterized in that: described thermo-stabilizer is at least one in mixture class, phosphorous acid esters, half Hinered phenols, amine and the calixarene of phenols, acryl functional group and monothioester.
3. fold-resistant polypropylene matrix material according to claim 1, is characterized in that: described processing aid is at least one in low molecule ester class, metal soap, stearic acid complex ester class and amides.
4. fold-resistant polypropylene matrix material according to claim 1, is characterized in that: described mineral filler is at least one in calcium carbonate, talcum powder, kaolin, mica, wollastonite, glass microballon, ceramic fine bead and barium sulfate.
5. according to the preparation method of the fold-resistant polypropylene matrix material described in arbitrary claim in claim 1 to 4, it is characterized in that: in the twin screw extruder that is 40:1 in length-to-diameter ratio by the mineral filler of the processing aid of the thermo-stabilizer of the Metallocene elastomer of the polypropylene of described 58 ~ 98wt.%, 1.8 ~ 10.0 wt.%, 0.1 ~ 1.0 wt.%, 0.1 ~ 1.0wt.% and 0 ~ 30 wt.%, melting mixing is disperseed, and at 170 ~ 240 ℃ extruding pelletization, obtain the polypropylene composite material of fold resistant.
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| CN201210464034.7A CN103819812A (en) | 2012-11-16 | 2012-11-16 | Folding-resistant polypropylene composite material and preparation method for same |
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| CN201210464034.7A CN103819812A (en) | 2012-11-16 | 2012-11-16 | Folding-resistant polypropylene composite material and preparation method for same |
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| CN103819812A true CN103819812A (en) | 2014-05-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479266A (en) * | 2021-12-21 | 2022-05-13 | 天津金发新材料有限公司 | Folding-resistant polypropylene composite material and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328295A (en) * | 2008-07-28 | 2008-12-24 | 王崇高 | Fold-resistant polypropylene sheet production formula and making method thereof |
| CN102391583A (en) * | 2011-10-10 | 2012-03-28 | 金发科技股份有限公司 | Low-temperature-resistance polypropylene composition and preparation method thereof |
| CN102617935A (en) * | 2012-04-10 | 2012-08-01 | 上海金发科技发展有限公司 | Special stress whitening resistant polypropylene composite for automotive upholsteries and method for preparing special stress whitening resistant polypropylene composite |
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- 2012-11-16 CN CN201210464034.7A patent/CN103819812A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328295A (en) * | 2008-07-28 | 2008-12-24 | 王崇高 | Fold-resistant polypropylene sheet production formula and making method thereof |
| CN102391583A (en) * | 2011-10-10 | 2012-03-28 | 金发科技股份有限公司 | Low-temperature-resistance polypropylene composition and preparation method thereof |
| CN102617935A (en) * | 2012-04-10 | 2012-08-01 | 上海金发科技发展有限公司 | Special stress whitening resistant polypropylene composite for automotive upholsteries and method for preparing special stress whitening resistant polypropylene composite |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479266A (en) * | 2021-12-21 | 2022-05-13 | 天津金发新材料有限公司 | Folding-resistant polypropylene composite material and preparation method and application thereof |
| CN114479266B (en) * | 2021-12-21 | 2023-05-05 | 天津金发新材料有限公司 | Folding-resistant polypropylene composite material and preparation method and application thereof |
| WO2023116364A1 (en) * | 2021-12-21 | 2023-06-29 | 天津金发新材料有限公司 | Folding-resistant polypropylene composite material, and preparation method therefor and use thereof |
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Application publication date: 20140528 |