CN105647005A - Low-glossiness polypropylene for automotive interior materials and preparation method thereof - Google Patents
Low-glossiness polypropylene for automotive interior materials and preparation method thereof Download PDFInfo
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Abstract
The invention discloses low-glossiness polypropylene for automotive interior materials and a preparation method thereof; the low-glossiness polypropylene is prepared through batch mixing, extruding and material manufacture of 100 parts of polypropylene, 0 to 50 parts of an inorganic filler, 0 to 25 parts of a toughening agent, 0 to 0.5 part of a coupling agent, 0.1 to 0.5 part of an antioxidant, 0 to 0.5 part of a light stability agent, 0.2-0.8 part of a lubricant, and 3 to 10 parts of an extinction master batch. The extinction master batch is prepared by mixing, extruding and material manufacture of low density polyethylene, an aromatic amide compound, a lubricant and an antioxidant. The special-prepared extinction master batch is added, so that the glossiness of the polypropylene material is significantly reduced, so as to meet the comfort requirements of the automotive interior materials; the low-glossiness polypropylene has a broad application prospect.
Description
Technical field:
The present invention relates to polymer modification field, particularly relate to the low-luster polypropylene for automotive interior material and its preparation method.
Background technology:
Polypropylene (is called for short: PP) material is due to advantages such as cost is low, light weight, chemical resistance are good, processing characteristics is excellent, easy recovery, it is widely used in automobile and household electrical appliances industry in recent years, especially inner and outer decorative parts of automobile it is applied to, as: door internal decoration plate, dashboard, column, seat backplate, collision bumper, side encirclement, flow deflector, mud guard etc. Along with the raising of people's quality of life, people are to the comfortable property in automobile cab and require also more and more higher, if the glossiness of plastic ornament is higher in wheel house, just have stronger light reflection, thus affect the comfortable property of navigating mate. In the last few years, therefore a lot of automobile main frame maker requires that polypropylene interior material that automotive material developer develops low gloss is to adapt to the demand in market one after another.
The method reducing material glossiness at present is roughly divided into three classes:
1, on automotive material product, coated matte paint reduces surface gloss, adds production process and production cost.
2, mould being carried out texture process so that the article surface got has lines to reduce surface gloss, increase mould development cost and article surface are easily hidden ash and are not easily cleaned.
3, automotive material itself is carried out modification, add some matting agents, as: silicon-dioxide, talcum powder, calcium carbonate etc. But adding these materials above and need to control particle diameter at 5 microns, and addition is in 5 ~ 10% best results, so this kind of so-called best extinction effect is also very undesirable, still can not meet some main frame factory to the requirement of low-luster polypropylene material.
Summary of the invention:
It is an object of the invention to provide a kind of low-luster polypropylene for automotive interior material and its preparation method. Aromatic amides compounds is used as polypropylene matting agent and makes matt master with Low Density Polyethylene and adds in polypropylene composite material by the present invention first, and dispersion effect is good, and extinction effect is good.
For a low-luster polypropylene for automotive interior material, it is prepared from by weight by following component:
Polypropylene 100 parts,
Mineral filler 0 ~ 50 part,
Toughner 0 ~ 25 part,
Coupling agent 0 ~ 0.5 part,
0.1 ~ 0.5 part, oxidation inhibitor,
The steady agent of light 0 ~ 0.5 part,
Lubricant 0.2 ~ 0.8 part,
Matt master 3 ~ 10 parts;
Described matt master obtains through mixing, extruding pelletization by weight by following component:
Low Density Polyethylene 100 parts,
Aromatic amides compounds 20 ~ 40 parts,
Lubricant 0.1 ~ 0.3 part,
0.1 ~ 0.3 part, oxidation inhibitor.
The preparation method of described matt master is: by Low Density Polyethylene, aromatic amides compounds, lubricant, oxidation inhibitor normal temperature mixing 3 ~ 8 minutes in high-speed mixer, wherein the rotating speed of high-speed mixer is 200 ~ 300 revs/min; The particle mixed is joined extruding pelletization in twin screw extruder, obtains matt master.
Further, described mineral filler is at least one in talcum powder, calcium carbonate, mica.
Described toughner is at least one in polyethylene (PE), ethylene-octene copolymer (POE).
Described coupling agent is at least one in silane coupling agent, titanate coupling agent.
Described oxidation inhibitor is Hinered phenols and the composite use of phosphorous acid esters.
The steady agent of described light is hindered amines, benzotriazole category and the composite use of benzophenone three.
Described lubricant is ethylene bis stearamide (EBS), the composite use of both calcium stearates.
Described aromatic amides compounds is dicyclohexyl terephthalamide or naphthalene two ring hexanamide.
Another goal of the invention of the present invention is to provide the preparation method of the above-mentioned low-luster polypropylene for automotive interior material, and step is as follows:
(1) take 100 parts of polypropylene, 0 ~ 25 part of toughner, 0 ~ 0.5 part of coupling agent in rotating speed are normal temperature mixing 3 ~ 5 minutes in the high-speed mixer of 200 ~ 300 revs/min;
(2) take 0 ~ 50 part of mineral filler add high-speed mixer continues again normal temperature mixing 3 ~ 5 minutes;
(3) take 0.1 ~ 0.5 part of oxidation inhibitor, 0 ~ 0.5 part of steady agent of light, 0.2 ~ 0.8 part of lubricant, 3 ~ 10 parts of matt masters add and continue normal temperature mixing 3 ~ 5 minutes in high-speed mixer again;
(4) the above-mentioned particle mixed is added twin screw extruder carries out melting is extruded, granulation, drying, cooling, dress wrap to obtain low-luster polypropylene; The temperature of twin screw extruder is followed successively by 180 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 215 DEG C, 215 DEG C from feeding section to head.
So the useful effect of the present invention has:
1, aromatic amides compounds is used by the present invention as polypropylene matting agent;
2, aromatic amides compounds and Low Density Polyethylene being made matt master adds in polypropylene composite material so that it is dispersion effect is good, and extinction effect is good.
3, the present invention obtains the polypropylene composite material of low-luster by common complete processing.
4, the preparation method of the present invention is by mixture in batches, makes mixing of materials more fully make matt master be dispersed in polypropylene base-material sufficiently uniformly, thus balancedly reduces polypropylene glossiness.
Embodiment:
Below in conjunction with some embodiments and comparative example, the invention will be further described. Following examples are the typical case of the present invention, and protection scope of the present invention is not limited thereto.
Glossiness in following examples and comparative example is tested according to GB8807-1988 " plastics specular gloss test method " standard vancometer, and selects 60 �� of input angles to test.
The material used in embodiment and comparative example is as follows:
One, the main raw material that matt master is used is prepared:
Low Density Polyethylene:
LDPE model: 6201XR producer: Exxon Mobil;
Dicyclohexyl terephthalamide model: TMB-4 producer: Shanxi chemical research institute;
Naphthalene two ring hexanamide model: TMB-5 producer: Shanxi chemical research institute.
Two, the main raw material that low-luster polypropylene material is used is prepared:
Polypropylene:
PP model: K7726H producer: China Petrochemical Industry's Yanshan Petrochemical;
Mineral filler:
Talcum powder model: AH51105 producer: Liaoning Ai Hai;
Calcium carbonate model: LD-1000C producer: Rieter is super micro-;
Mica powder model: GM-3 producer: Chuzhou lattice are sharp;
Toughner:
PE model: 1018HA producer: Exxon Mobil;
POE model: 8200 producers: DOW Chemical;
Coupling agent:
Silane coupling agent model: KH550 producer: Tian Chang city green chemical industry;
Titanate coupling agent model: TMC-981 producer: Tian Chang city green chemical industry; Oxidation inhibitor:
Oxidation inhibitor:
Hinered phenols model: 1010 producers: Yixing City angel's synthetic chemistry;
Phosphorous acid esters model: 168 producers: Yixing City angel's synthetic chemistry;
The steady agent of light:
Hindered amines model: UV3808PP5 producer: U.S.'s cyanogen is special;
Benzotriazole category model: UV5411 producer: U.S.'s cyanogen is special;
Benzophenone style number: UV531 producer: U.S.'s cyanogen is special;
Lubricant:
Ethylene bis stearamide model: EBS500 order producer: the Guangzhou city bright and beautiful prosperous chemical industry of wound;
Calcium stearate model: calcium stearate producer: the Guangzhou city bright and beautiful prosperous chemical industry of wound.
Embodiment 1
Take 100 parts of LDPE6201XR, 20 parts of aromatic amides compounds dicyclohexyl terephthalamides, 0.06 part of Lubricate EBS, 0.04 part of lubricant stearic acid calcium, 0.05 part of antioxidant 1010,0.05 part of irgasfos 168 normal temperature in high-speed mixer mix 3 minutes, wherein the rotating speed of high-speed mixer is 200 revs/min. The particle mixed is joined extruding pelletization in twin screw extruder, obtains matt master.
Take 100 parts of polypropylene K7726H, 0.04 part of antioxidant 1010,0.06 part of irgasfos 168,0.07 part of Lubricate EBS, 0.13 part of lubricant stearic acid calcium, 3 parts of matt masters add normal temperature in high-speed mixer and mix 3 minutes, wherein the rotating speed of high-speed mixer is 200 revs/min. The above-mentioned particle mixed is added twin screw extruder carries out melting is extruded, granulation, drying, cooling, dress wrap to obtain low-luster polypropylene. The temperature of twin screw extruder is followed successively by 180 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 215 DEG C, 215 DEG C from feeding section to head.
Comparative example 1: do not add matt master
First take 100 parts of polypropylene K7726H, 0.04 part of antioxidant 1010,0.06 part of irgasfos 168,0.07 part of Lubricate EBS, 0.13 part of lubricant stearic acid calcium add normal temperature in high-speed mixer and mix 3 minutes, wherein the rotating speed of high-speed mixer is 200 revs/min. The above-mentioned particle mixed is added twin screw extruder carries out melting is extruded, granulation, drying, cooling, dress bag. The temperature of twin screw extruder is followed successively by 180 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 215 DEG C, 215 DEG C from feeding section to head.
Embodiment 2
Take 100 parts of LDPE6201XR, 40 parts of aromatic amides compounds naphthalene two ring hexanamides, 0.12 part of Lubricate EBS, 0.18 part of lubricant stearic acid calcium, 0.2 part of antioxidant 1010,0.1 part of irgasfos 168 normal temperature in high-speed mixer mix 8 minutes, wherein the rotating speed of high-speed mixer is 300 revs/min.The particle mixed is joined extruding pelletization in twin screw extruder, obtains matt master.
Take 100 parts of polypropylene K7726H, 17 parts of toughner PE1018HA, 8 parts increase tough POE8200,0.3 part of coupling agent KH550,0.2 part of coupling agent TMC-981 mix 5 minutes with normal temperature in high-speed mixer, wherein the rotating speed of high-speed mixer is 300 revs/min; Then take 20 parts of mineral filler AH51105,20 parts of mineral filler LD-1000C, 10 parts of mineral filler GM-3 add normal temperature in high-speed mixer and mix 5 minutes, wherein the rotating speed of high-speed mixer is 300 revs/min; Finally take 0.36 part of antioxidant 1010,0.14 part of irgasfos 168,0.12 part of light steady agent UV3808PP5,0.17 part of light steady agent UV5411,0.21 part of steady agent UV531 of light, 0.47 part of Lubricate EBS, 0.33 part of lubricant stearic acid calcium, 10 parts of matt masters add normal temperature in high-speed mixer and mix 5 minutes, wherein the rotating speed of high-speed mixer is 300 revs/min. The above-mentioned particle mixed is added twin screw extruder carries out melting is extruded, granulation, drying, cooling, dress wrap to obtain low-luster polypropylene. The temperature of twin screw extruder is followed successively by 180 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 215 DEG C, 215 DEG C from feeding section to head.
Comparative example 2: do not add matt master
First take 100 parts of polypropylene K7726H, 17 parts of toughner PE1018HA, 8 parts increase tough POE8200,0.3 part of coupling agent KH550,0.2 part of coupling agent TMC-981 mix 5 minutes with normal temperature in high-speed mixer, wherein the rotating speed of high-speed mixer is 300 revs/min; Then take 20 parts of mineral filler AH51105,20 parts of mineral filler LD-1000C, 10 parts of mineral filler GM-3 add normal temperature in high-speed mixer and mix 5 minutes, wherein the rotating speed of high-speed mixer is 300 revs/min; Finally take 0.36 part of antioxidant 1010,0.14 part of irgasfos 168,0.12 part of light steady agent UV3808PP5,0.17 part of light steady agent UV5411,0.21 part of steady agent UV531 of light, 0.47 part of Lubricate EBS, 0.33 part of lubricant stearic acid calcium add normal temperature in high-speed mixer and mix 5 minutes, wherein the rotating speed of high-speed mixer is 300 revs/min. The above-mentioned particle mixed is added twin screw extruder carries out melting is extruded, granulation, drying, cooling, dress bag. The temperature of twin screw extruder is followed successively by 180 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 215 DEG C, 215 DEG C from feeding section to head. Performance is in Table-1.
Embodiment 3
Take 100 parts of LDPE6201XR, 29.5 parts of aromatic amides compounds naphthalene two ring hexanamides, 0.09 part of Lubricate EBS, 0.1 part of lubricant stearic acid calcium, 0.08 part of antioxidant 1010,0.11 part of irgasfos 168 normal temperature in high-speed mixer mix 4.9 minutes, wherein the rotating speed of high-speed mixer is 268 revs/min. The particle mixed is joined extruding pelletization in twin screw extruder, obtains matt master.
First take 100 parts of polypropylene K7726H, 15 parts of toughner PE1018HA, 0.19 part of coupling agent KH550 mix 3.7 minutes with normal temperature in high-speed mixer, wherein the rotating speed of high-speed mixer is 246 revs/min; Then taking 18 parts of mineral filler AH51105 to add normal temperature in high-speed mixer and mix 3.2 minutes, wherein the rotating speed of high-speed mixer is 238 revs/min; Finally take 0.11 part of antioxidant 1010,0.13 part of irgasfos 168,0.05 part of light steady agent UV3808PP5,0.04 part of light steady agent UV5411,0.03 part of steady agent UV531 of light, 0.29 part of Lubricate EBS, 0.18 part of lubricant stearic acid calcium, 5.4 parts of matt masters add normal temperature in high-speed mixer and mix 4.1 minutes, wherein the rotating speed of high-speed mixer is 284 revs/min.The above-mentioned particle mixed is added twin screw extruder carries out melting is extruded, granulation, drying, cooling, dress wrap to obtain low-luster polypropylene. The temperature of twin screw extruder is followed successively by 180 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 215 DEG C, 215 DEG C from feeding section to head.
Embodiment 4
Take 100 parts of LDPE6201XR, 34.9 parts of aromatic amides compounds naphthalene two ring hexanamides, 0.18 part of Lubricate EBS, 0.12 part of lubricant stearic acid calcium, 0.14 part of antioxidant 1010,0.11 part of irgasfos 168 normal temperature in high-speed mixer mix 7.6 minutes, wherein the rotating speed of high-speed mixer is 298 revs/min. The particle mixed is joined extruding pelletization in twin screw extruder, obtains matt master.
First take 100 parts of polypropylene K7726H, 21 parts increase tough POE8200,0.34 part of coupling agent TMC-981 mix 4.4 minutes with normal temperature in high-speed mixer, wherein the rotating speed of high-speed mixer is 278 revs/min; Then take 18 parts of mineral filler LD-1000C, 6 parts of mineral filler GM-3 add normal temperature in high-speed mixer and mix 4.3 minutes, wherein the rotating speed of high-speed mixer is 264 revs/min; Finally take 0.22 part of antioxidant 1010,0.11 part of irgasfos 168,0.1 part of light steady agent UV3808PP5,0.07 part of light steady agent UV5411,0.13 part of steady agent UV531 of light, 0.23 part of Lubricate EBS, 0.12 part of lubricant stearic acid calcium, 8.7 parts of matt masters add normal temperature in high-speed mixer and mix 4.7 minutes, wherein the rotating speed of high-speed mixer is 289 revs/min. The above-mentioned particle mixed is added twin screw extruder carries out melting is extruded, granulation, drying, cooling, dress bag. The temperature of twin screw extruder is followed successively by 180 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 215 DEG C, 215 DEG C from feeding section to head.
Polypropylene material prepared by above-described embodiment 1-4 and comparative example 1-2 detects its glossiness respectively, shown in table 1 specific as follows:
Table 1 embodiment 1 ~ 4 and comparative example 1 ~ 2 performance
| Test event | Embodiment 1 | Comparative example 1 | Embodiment 2 | Comparative example 2 | Embodiment 3 | Embodiment 4 |
| Glossiness | 62 | 89 | 37 | 64 | 49 | 43 |
As apparent from upper table 1 embodiment 1 ~ 4 and comparative example 1 ~ 2 can, the aromatic amides compounds that the present invention uses and the matt master that Low Density Polyethylene is made can significantly reduce the glossiness of polypropylene composite material. As long as if embodiment 1 and comparative example 1 are it can be seen that the matt master 3 parts adding the present invention just can so that glossiness drops to 62 from 89. This kind of low-luster automotive interior material of the present invention can meet part automobile main frame maker to the requirement of automotive trim low-luster material, has a extensive future.
Claims (9)
1. the low-luster polypropylene for automotive interior material, it is characterised in that: it is prepared from by weight by following component:
Polypropylene 100 parts,
Mineral filler 0 ~ 50 part,
Toughner 0 ~ 25 part,
Coupling agent 0 ~ 0.5 part,
0.1 ~ 0.5 part, oxidation inhibitor,
The steady agent of light 0 ~ 0.5 part,
Lubricant 0.2 ~ 0.8 part,
Matt master 3 ~ 10 parts;
Described matt master obtains through mixing, extruding pelletization by weight by following component:
Low Density Polyethylene 100 parts,
Aromatic amides compounds 20 ~ 40 parts,
Lubricant 0.1 ~ 0.3 part,
0.1 ~ 0.3 part, oxidation inhibitor.
2. the low-luster polypropylene for automotive interior material according to claim 1, it is characterised in that: described mineral filler is at least one in talcum powder, calcium carbonate, mica.
3. the low-luster polypropylene for automotive interior material according to claim 1, it is characterised in that: described toughner is at least one in polyethylene, ethylene-octene copolymer.
4. the low-luster polypropylene for automotive interior material according to claim 1, it is characterised in that: described coupling agent is at least one in silane coupling agent, titanate coupling agent.
5. the low-luster polypropylene for automotive interior material according to claim 1, it is characterised in that: described oxidation inhibitor is Hinered phenols and the composite use of phosphorous acid esters.
6. the low-luster polypropylene for automotive interior material according to claim 1, it is characterised in that: the steady agent of described light is hindered amines, benzotriazole category and the composite use of benzophenone three.
7. the low-luster polypropylene for automotive interior material according to claim 1, it is characterised in that: described lubricant is ethylene bis stearamide, the composite use of both calcium stearates.
8. the low-luster polypropylene for automotive interior material according to claim 1, it is characterised in that: described aromatic amides compounds is dicyclohexyl terephthalamide or naphthalene two ring hexanamide.
9. the preparation method of the low-luster polypropylene for automotive interior material as described in claim 1 ~ 8, it is characterised in that: step is as follows:
(1) take 100 parts of polypropylene, 0 ~ 25 part of toughner, 0 ~ 0.5 part of coupling agent in rotating speed are normal temperature mixing 3 ~ 5 minutes in the high-speed mixer of 200 ~ 300 revs/min;
(2) take 0 ~ 50 part of mineral filler add high-speed mixer continues again normal temperature mixing 3 ~ 5 minutes;
(3) take 0.1 ~ 0.5 part of oxidation inhibitor, 0 ~ 0.5 part of steady agent of light, 0.2 ~ 0.8 part of lubricant, 3 ~ 10 parts of matt masters add and continue normal temperature mixing 3 ~ 5 minutes in high-speed mixer again;
(4) the above-mentioned particle mixed is added twin screw extruder carries out melting is extruded, granulation, drying, cooling, dress wrap to obtain low-luster polypropylene, the temperature of described twin screw extruder is followed successively by 180 DEG C, 195 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 215 DEG C, 215 DEG C from feeding section to head.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951152A (en) * | 2019-12-17 | 2020-04-03 | 广东圆融新材料有限公司 | Polypropylene composite material for low-gloss and good-appearance automotive interior and preparation method thereof |
| CN114031851A (en) * | 2021-11-24 | 2022-02-11 | 青岛国恩科技股份有限公司 | Modified polypropylene for automotive interior and preparation method thereof |
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| CN102757603A (en) * | 2012-08-02 | 2012-10-31 | 刘恒 | Random-copolymerization polypropylene toughening modified material and preparation method thereof |
| CN103756152A (en) * | 2014-02-13 | 2014-04-30 | 广东聚石化学股份有限公司 | Halogen-free flame retardant polypropylene composite material for coil skeleton and preparation method thereof |
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| CN101891923A (en) * | 2010-07-30 | 2010-11-24 | 四川大学 | Method for preparing low-temperature flexible random copolymerization polypropylene product |
| CN102757603A (en) * | 2012-08-02 | 2012-10-31 | 刘恒 | Random-copolymerization polypropylene toughening modified material and preparation method thereof |
| CN103756152A (en) * | 2014-02-13 | 2014-04-30 | 广东聚石化学股份有限公司 | Halogen-free flame retardant polypropylene composite material for coil skeleton and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110951152A (en) * | 2019-12-17 | 2020-04-03 | 广东圆融新材料有限公司 | Polypropylene composite material for low-gloss and good-appearance automotive interior and preparation method thereof |
| CN114031851A (en) * | 2021-11-24 | 2022-02-11 | 青岛国恩科技股份有限公司 | Modified polypropylene for automotive interior and preparation method thereof |
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