CN107353498A - A kind of vehicle inside decoration polypropene composition and preparation method thereof of low smell, low-density - Google Patents
A kind of vehicle inside decoration polypropene composition and preparation method thereof of low smell, low-density Download PDFInfo
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- CN107353498A CN107353498A CN201710574749.0A CN201710574749A CN107353498A CN 107353498 A CN107353498 A CN 107353498A CN 201710574749 A CN201710574749 A CN 201710574749A CN 107353498 A CN107353498 A CN 107353498A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (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 discloses a kind of low smell, the vehicle inside decoration polypropene composition and preparation method thereof of low-density, it is made up of the raw material of following mass parts：70 85 parts of polypropylene, 5 15 parts of impact modifier polyolefin elastomer, 8 ~ 15 parts of talcum powder, 0.1 0.5 parts of antioxidant, 0.5 ~ 1.0 part of odour absorbents, its feature：（1）Low smell, meet 2.5 grades of Chang'an odor standards；（2）Low-density, product weight can be reduced；（3）Mechanical performance is excellent, good rigidity-toughness balanced, good moldability.
Description
Technical field
The present invention relates to material modified technical field, and in particular to a kind of low smell, the vehicle inside decoration polypropylene of low-density
Composition and preparation method thereof.
Background technology
Polypropylene (PP) material extensively should be obtained due to its good combination property in the major assembly system of automobile
With.Automobile exterior trimming parts use PP composite material injection molding mostly with inside gadget.Exterior trimming parts such as bumper, threshold, shirt rim
Deng automotive upholstery such as instrument board, column, glove compartment, door-plate etc..Because simple polypropylene is difficult to meet each parts of automobile
Performance requirement be modified, it is necessary to add talcum powder, glass, toughener, antioxidant and damage resistant agent etc., to meet its machine
Tool performance and long-term anti-ageing performance.But the addition of these materials, volatile materials can be produced in process, these things
Matter is the main source of smell, especially interior material, if smell is very big, can have a strong impact on the air quality of in-car, influence
The health of member by bus, therefore the country is put into effect《Air Quality Evaluation guide in passenger car》, improve in-car air quality and compel
In the eyebrows and eyelashes, and the important topic of current all vehicle inside decoration investigations of materials.
As " energy-conserving and environment-protective " have increasingly becomed the topic of extensive concern, lightweight is also widely applied to general-utility car neck
Domain, power output can be improved, reduce noise, lift handling, reliability by reducing automobile own wt, improved speed, reduced
Oil consumption, reduce discharge amount of exhaust gas, lifting security.There is research numerical monitor, if vehicle complete vehicle weight reduction 10%, fuel efficiency
6%-8% can be improved.Body of a motor car accounts for the 30% of automobile gross mass, and under no-load condition, about 70% oil consumption is used in vehicle body matter
In amount.Therefore, the lighten fuel economy for vehicle, wagon control stability, crashworthiness of vehicle body is all of great advantage.Make
For the automotive interior material that dosage is larger, it is just very urgent to reduce density of material.
By adding diatomite, molecular sieve and expanded polypropylene one or more in patent No. CN106832574A
For material as odor adsorption agent, its principle such as diatomite and molecular sieve is to absorb smell small-molecule substance by physical absorption, should
Process is a reversible process, and the smell small-molecule substance being adsorbed after heated can discharge again, therefore this method can only be short-term
Interior reduction material smell, while the addition of expanded polypropylene, the outward appearance of product can be influenceed to a certain extent, can also make the power of product
Learning performance can suitably reduce (such as bending modulus and impact strength).
By adding BX molecular sieves and activated alumina in patent No. CN101314658A, by a large amount of present in molecule
Hole, the size according to crystals hole carry out the absorption of selectivity to small-molecule substance so as to reach the improvement to smell,
But the shortcomings that invention is can not to adsorb smell small-molecule substance completely, and due to being physical absorption, adsorbed smell is small
Molecular substance can discharge again, therefore this method can only reduce the short-term smell of material, and effect is very unstable.
The A of patent No. CN 105400081 are by adding zeolite, molecular sieve and nano silicon oxide in proportion 1:1:1 preparation
Compound, due to a large amount of holes present in molecule, small-molecule substance is absorbed by crystals hole, its principle with
Patent No. CN101314658A is the same, and due to being physical absorption, adsorbed smell small-molecule substance can discharge again, therefore should
Method can only also reduce the short-term smell of material, and effect is very unstable
By adding response type castor oil in patent No. CN103524872A, material is chelated by the active group in castor oil
Ammonia, sulphur class, thio-alcohol scent molecule in material, because this method is to chelate specific smell small molecule by chemistry, therefore
The smell small-molecule substance that can not be reacted can not be dispelled, it is impossible to thoroughly improve the smell of material.
The content of the invention
It is an object of the invention to provide a kind of low smell, the vehicle inside decoration polypropene composition of low-density and its preparation side
Method.
The technical solution used in the present invention is：
A kind of low smell, the vehicle inside decoration polypropene composition of low-density are made up of the raw material of following mass parts：70-85
Polypropylene, the impact modifier polyolefin elastomer, 8~15 parts of talcum powder of 5-15 parts of part, the antioxidant of 0.1-0.5 parts, 0.5
~1.0 parts of odour absorbentses.
Preferably, described odour absorbents is photocatalyst and/or without photocatalyst, more preferably a kind of without photocatalyst, mainly
Composition is super nanometer scintilla phosphoric acid titanium oxide compounds.
Preferably, the polypropylene is homopolymerization and/or is copolymerized the mixtures of one or both of PP above, its melt flow
Dynamic speed is 20~60g/10min under the conditions of 230 DEG C, 2.16kg, and preferred melt flow rate (MFR) is 40~60g/
10min, the shearing that the polypropylene of height flowing is subject in extrusion processing and processing and forming is small, so as to reduce small point of smell as far as possible
The generation of sub- material.
Preferably, impact modifier polyolefin elastomer is ethylene-butene copolymer and/or ethylene-octene copolymer, close
Spend for 0.850-0.890g/cm3, its melt flow rate (MFR) is 2.0~5.0g/10min under the conditions of 190 DEG C, 2.16kg
Preferably, described antioxidant is 1010,168.
A kind of low smell, low-density vehicle inside decoration polypropene composition preparation method, comprise the following steps：
Weigh the polypropylene of 70-85 parts, the impact modifier polyolefin elastomer of 5-15 parts, 8 respectively according to mass fraction
~15 parts of talcum powder, the antioxidant of 0.1-0.5 parts, 0.5~1.0 part of odour absorbents is well mixed, by double screw extruder
It is kneaded, extrusion.
Preferably, the technological parameter of double screw extruder is：1 160~180 DEG C of area, 2 180~200 DEG C of areas, 3 areas 180~
200 DEG C, 4 180~200 DEG C of areas, 5 180~200 DEG C of areas, 6 180~200 DEG C of areas, 7 180~200 DEG C of areas, 8 200~220 DEG C of areas, 9
210~250 DEG C of area, 10 210~250 DEG C of areas, 200~230 DEG C, head pressure 3.8Mpa, main frame electric current 30Hz of head temperature, very
Reciprocal of duty cycle -0.06MPa.
Compared with prior art, the present invention has the advantages that：
It is different from improvement material smell the methods of prior art addition molecular sieve/activated alumina, active castor oil, this law
It is effective avoid unstable, active castor oil that molecular sieve/activated alumina adsorbs to small molecule can only be to smell small molecule
Selective absorbing the defects of, the present invention by add a kind of photocatalyst and/or without photocatalyst (nanometer phosphoric acid titanium dioxide) inhale
The smell in material is received, photocatalyst (compound of a kind of nano aperture diatom, nano titanium oxide and nano-tourmaline) is to receive
Rice diatomite is carrier, carries nano titanium oxide and nanometer calcium carbide, is released into air due to nano titanium oxide under light illumination
Electric discharge and hole, instantaneous oxidation can puncture nearly all molecular link, and its nano-tourmaline is a kind of crystalline substance of permanent electrode
Body, sustainable generation electric current, any additional conditions are being not required to, as long as absorbing the luminous energy of the sun, tourmaline surface can just produce
Electric charge, therefore the hydroxyl free particle with strong oxidizing property can be produced by high energy metathesis reaction, so as to by Odor Organics
Carbon dioxide and water are decomposed into, so as to improve the smell of product and its main component is super nanometer scintilla di(2-ethylhexyl)phosphate without photocatalyst
Titanium oxide compound, it further overcomes the weakness of photocatalyst, needs to irradiate to occur to be catalyzed by ultraviolet to make with photocatalyst
Different with principle, no photocatalyst can also play catalytic action under the conditions of dull thread.Due to having strong absorption without photocatalyst
The potential transfer of property and nano-particle characteristic and produce the metathesis reaction of high-energy, produce the hydroxyl free particle of strong oxidizing property
Odor Organics are resolved into carbon dioxide and water by (- OH) and hydrogen ion, so as to play reduction product odour, air in purifying vehicle
Effect.Due to not needing ultraviolet irradiation just can play deodorizing effect repeatedly without photocatalyst, therefore can significantly, persistently
The pernicious gases such as formaldehyde, benzene, TVOC are constantly eliminated, so addition is long-term without improvement of the photocatalyst to smell, and with
Time longer smell improves more effective.
Embodiment
With reference to specific embodiment, the present invention is described further：
The vehicle inside decoration polypropene composition of low smell, low-density, embodiment 1-5 and comparative example 1-3 a kind of formula group
Into such as table 1 below：
The vehicle inside decoration Polypropylene compositions composition formula composition of a kind of low smell of table 1, low-density
| Raw material | Comparative example 1 | Comparative example 2 | Comparative example 3 | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| PP 7555KNE2 | 62 | 62 | 62 | 62 | 62 | 62 | 40 | 85 |
| H9018 | 20 | 20 | 20 | 20 | 20 | 20 | 30 | / |
| Polyolefin elastomer | 10 | 10 | 10 | 10 | 10 | 10 | 15 | 5 |
| Talcum powder | 8 | 8 | 8 | 8 | 8 | 8 | 15 | 10 |
| Antioxidant 1010 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.25 | 0.05 |
| Irgasfos 168 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.25 | 0.05 |
| Molecular sieve | 0.8 | |||||||
| Diatomite | 0.8 | |||||||
| Expanded polypropylene | 2.0 | |||||||
| Photocatalyst | 1.0 | |||||||
| Without photocatalyst | 0.3 | 0.5 | 1.0 | 0.8 | 0.8 |
By the performance such as table 2 below of the embodiment 1-5 and comparative example 1-3 composites prepared：
The performance of composite prepared by the present invention of table 2
Smell judgment criteria is：
1 grade of odorlessness；
2 grades odorous, but non interference smell；
3 grades have obvious smell, but non interference smell；
4 grades have interference smell；
5 grades have strong interference smell；6 grades have insupportable smell.
ChangAn Automobile VS-01.00-T-14004-A4-2016 standards require oder levels≤2.5 grade.
Brief summary：
According to ChangAn Automobile VS-01.00-T-14004-A4-2016 odor standards, comparative example 1-3 and embodiment 1-5 are entered
Row Odor Evaluations, it is as a result as follows:
1) 3.5 grades of 1 smell of comparative example；After comparative example 2 adds smell composite absorber, initial stage, smell can be reduced to 2.5 grades,
But after placing 10 days, smell small molecule slow release, smell rises to 3.0 grades again；Comparative example 3 adds no photocatalyst 0.3%
Ratio, smell make moderate progress, and are down to 3.0 grades after placing 10 days, but still can not meet ChangAn Automobile requirement；
2) embodiment 1 adds odour absorbents (no photocatalyst) 0.5% ratio, and smell is reduced to 2.5 grades, after placing 10 days
Smell is further reduced to 2.0 grades, meets ChangAn Automobile odor requirements；Embodiment 2 add the ratio of photocatalyst 1.0%, initial stage gas
Taste is reduced to 2.5 grades, and smell remains as 2.5 grades after placing 10 days,；Smell embodiment 3-5 adds 1.0% respectively, 0.8%,
0.8% ratio is without photocatalyst, and initial stage, smell can reach 2.5 grades, and after placing 10 days, smell can reduce by 0.5 grade or so again, therefore
After present invention addition odour absorbents (no photocatalyst), the smell of material has clear improvement, and can meet the gas of Chang'an standard requirement
Taste grade (≤2.5 grades).
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (8)
- A kind of 1. vehicle inside decoration polypropene composition of low smell, low-density, it is characterised in that：It is by the raw material of following mass parts Composition：The polypropylene of 70-85 parts, the impact modifier polyolefin elastomer of 5-15 parts, 8 ~ 15 parts of talcum powder, 0.1-0.5 parts Antioxidant, 0.5 ~ 1.0 part of odour absorbents.
- 2. a kind of low smell according to claim 1, the vehicle inside decoration polypropene composition of low-density, it is characterised in that： Described odour absorbents is for photocatalyst and/or without photocatalyst.
- 3. a kind of low smell according to claim 1, the vehicle inside decoration polypropene composition of low-density, it is characterised in that： The no photocatalyst is nanometer phosphoric acid titanium dioxide.
- 4. a kind of low smell according to claim 1, the vehicle inside decoration polypropene composition of low-density, it is characterised in that： The polypropylene is homopolymerization and/or the mixture being copolymerized more than one or both of PP, its melt flow rate (MFR) 230 DEG C, It is 20 ~ 60g/10min under the conditions of 2.16kg.
- 5. a kind of low smell according to claim 1, the vehicle inside decoration polypropene composition of low-density, it is characterised in that： The impact modifier polyolefin elastomer is ethylene-butene copolymer and/or ethylene-octene copolymer, density 0.850- 0.890g/cm3, its melt flow rate (MFR) is 2.0 ~ 5.0g/10min under the conditions of 190 DEG C, 2.16kg.
- 6. a kind of low smell according to claim 1, the vehicle inside decoration polypropene composition of low-density, it is characterised in that： Described antioxidant includes 1010,168.
- A kind of 7. side of the vehicle inside decoration polypropene composition of low smell, low-density described in preparation any one of claim 1 ~ 6 Method, it is characterised in that comprise the following steps：Weigh the polypropylene of 70-85 parts respectively according to mass fraction, the anti-impact of 5-15 parts changes Property agent polyolefin elastomer, 8 ~ 15 parts of talcum powder, the antioxidant of 0.1-0.5 parts, 0.5 ~ 1.0 part of odour absorbents, mixing is equal It is even, it is kneaded, extrudes by double screw extruder.
- 8. the preparation method of the vehicle inside decoration polypropene composition of a kind of low smell according to claim 7, low-density, its It is characterised by：The technological parameter of the double screw extruder is：1 160~180 DEG C of area, 2 180~200 DEG C of areas, 3 areas 180~ 200 DEG C, 4 180~200 DEG C of areas, 5 180~200 DEG C of areas, 6 180~200 DEG C of areas, 7 180~200 DEG C of areas, 8 200~220 DEG C of areas, 9 210~250 DEG C of areas, 10 210~250 DEG C of areas, 200~230 DEG C, head pressure 3.8Mpa of head temperature, main frame electric current 30Hz, vacuum -0.06MPa.
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| CN201710574749.0A CN107353498A (en) | 2017-07-14 | 2017-07-14 | A kind of vehicle inside decoration polypropene composition and preparation method thereof of low smell, low-density |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903535A (en) * | 2017-12-08 | 2018-04-13 | 广东技塑新材料股份有限公司 | Low smell has the PVC automotive interior materials and preparation method of sterilizing function |
| CN107903625A (en) * | 2017-12-08 | 2018-04-13 | 广东技塑新材料股份有限公司 | A kind of low smell sterilization fretting map scratch-resistant nylon composite materials and preparation method thereof |
| CN107915948A (en) * | 2017-12-08 | 2018-04-17 | 广东技塑新材料股份有限公司 | A kind of low smell sterilization reinforced ABS automobile rearview mirror frame material and preparation method |
| CN107973996A (en) * | 2017-12-08 | 2018-05-01 | 广东技塑新材料股份有限公司 | A kind of low smell and TPV material and preparation method thereof with sterilizing function |
| CN111253676A (en) * | 2019-12-12 | 2020-06-09 | 合肥圆融新材料有限公司 | Low-odor and low-VOC polypropylene composite material and preparation method and application thereof |
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| CN105367987A (en) * | 2015-11-26 | 2016-03-02 | 中广核俊尔新材料有限公司 | Low-emission low-odor thermoplastic elastomer and preparation method therefor |
| CN106751976A (en) * | 2017-03-06 | 2017-05-31 | 温州程宇建设有限公司 | A kind of road cold-repairing material and preparation method thereof |
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2017
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367987A (en) * | 2015-11-26 | 2016-03-02 | 中广核俊尔新材料有限公司 | Low-emission low-odor thermoplastic elastomer and preparation method therefor |
| CN106751976A (en) * | 2017-03-06 | 2017-05-31 | 温州程宇建设有限公司 | A kind of road cold-repairing material and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903535A (en) * | 2017-12-08 | 2018-04-13 | 广东技塑新材料股份有限公司 | Low smell has the PVC automotive interior materials and preparation method of sterilizing function |
| CN107903625A (en) * | 2017-12-08 | 2018-04-13 | 广东技塑新材料股份有限公司 | A kind of low smell sterilization fretting map scratch-resistant nylon composite materials and preparation method thereof |
| CN107915948A (en) * | 2017-12-08 | 2018-04-17 | 广东技塑新材料股份有限公司 | A kind of low smell sterilization reinforced ABS automobile rearview mirror frame material and preparation method |
| CN107973996A (en) * | 2017-12-08 | 2018-05-01 | 广东技塑新材料股份有限公司 | A kind of low smell and TPV material and preparation method thereof with sterilizing function |
| CN111253676A (en) * | 2019-12-12 | 2020-06-09 | 合肥圆融新材料有限公司 | Low-odor and low-VOC polypropylene composite material and preparation method and application thereof |
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