CN107955271A - A kind of height is leapt high firm, low smell, the whisker modified material of low linear polypropylene - Google Patents
A kind of height is leapt high firm, low smell, the whisker modified material of low linear polypropylene Download PDFInfo
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- CN107955271A CN107955271A CN201711167913.2A CN201711167913A CN107955271A CN 107955271 A CN107955271 A CN 107955271A CN 201711167913 A CN201711167913 A CN 201711167913A CN 107955271 A CN107955271 A CN 107955271A
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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
- C08L23/14—Copolymers of propene
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
Leap high firm, low smell, the whisker modified material of low linear polypropylene the present invention provides a kind of height, it is characterised in that：The modification material is made of the raw material including following parts by weight：40 70 parts of acrylic resin, 5 30 parts of whisker, 5 15 parts of toughener, 0.2 2 parts of nucleator, 25 parts of odor adsorption agent, 0.2 0.4 parts of primary antioxidant, 0.2 0.4 parts of auxiliary antioxidant.Height of the present invention leaps high firm, low smell, the whisker modified material of low linear polypropylene by using suitable polypropylene, elastomer and nucleator, the significant heat distortion temperature and impact strength for improving material, and the linear expansion coefficient of material is reduced, the dimensional stability of material is improved, at the same time, since additional ingredients are less in the present invention, the matching ability of material is not interfered with, and it is easy to implement, applicability is wider.
Description
Technical field
The invention belongs to modified plastics field, leap high firm, low smell, low linear polypropylene whisker more particularly, to a kind of height
Modified material.
Background technology
In recent years, polypropylene material is widely used in the part such as automotive field, bumper, instrument board, door-plate, column all
Polypropylene material can be used, different parts is different to the mechanical property requirements of material, and automobile may be in different environment, temperature
Used under the conditions of degree, and to vary with temperature change in size obvious for polypropylene material, makes its product during use is assembled
There is dimensional problem, and then may result in other deformations, the problems such as fracture, therefore the part such as column, gusset is to material
Rigidity-toughness balanced and cold-and-heat resistent alternation performance have higher requirement, improve the toughness of material and rigidity and dimensional stability,
It is pressing issues of the polypropylene material in automobile decoration piece to reduce linear expansion coefficient, in addition, consumers increasingly pay close attention to car
Interior smell and volatile organic compounds (VOC), management and control of the country to automobile VOC have also put into effect new rule and have forced to carry out, vapour
The low VOC of in-car trim, low smell also become the rigid index of major main engine plants, this needs us to be begun to from raw material
Management and control.
In order to improve the smell VOC of parts and reduce material linear expansion coefficient, the strong and unyielding material all met the requirements is found
Material, major auto vendor have put into substantial amounts of energy with raw material supplier and have been studied with material.
Patent CN10106554567 A disclose a kind of preparation method of high impact resistance polypropylene resin combination, by
Specific polybutene alloy is added in polypropylene, while polyacrylic heat-resistant deforming performance and rigidity is kept, is significantly improved
Its toughness, but this method to the heat distortion temperature of material, and dimensional stability in terms of help very little.
Patent CN105754232A discloses a kind of heat-resisting high-rigidity high-toughness transparent heat forming polypropylene and preparation method thereof,
By selecting suitable polypropylene production apparatus to synthesize with catalyst, external electron donor the polypropylene of heat-resisting high-rigidity high-toughness, but
Since its melting means is relatively low, it is difficult to apply in auto parts.
Patent CN104558842A discloses a kind of low linear expansion coefficient bumper material and preparation method thereof, by adding
Add not double bond containing styrenic elastomer, reduce linear expansion coefficient, improve the dimensional stability of material, but due to benzene
The addition of vinyl elastomer, the smell VOC of material can not be guaranteed, and cost is higher.
The content of the invention
In view of this, firm, low smell, the whisker modified material of low linear polypropylene the present invention is directed to propose a kind of height is leapt high, lead to
Cross and select suitable polypropylene, elastomer and nucleator, while improve the impact strength of material and heat distortion temperature and drop
The low linear expansion coefficient of material, ensure that dimensional stability of the material in high/low temperature circulates environment..
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of height is leapt high firm, low smell, the whisker modified material of low linear polypropylene, and the modification material is by including following parts by weight
Raw material be made：
Preferably, the modification material is made of the raw material including following parts by weight：
Further, the melt flow rate (MFR) of the acrylic resin is that (test temperature is 230 DEG C to 5-60g/10min, is surveyed
It is 2.16kg to try counterweight weight)；The bending modulus of the acrylic resin is 800-2000MPa；The acrylic resin
Notch impact strength be 1-50kJ/m2。
Further, the whisker is at least one of whisker powder or whisker master batch.
Further, the toughener for ethylene-octene copolymer, ethylene propylene diene rubber, propylene-alpha olefin copolymer,
One or more of mixtures in SEBS thermoplastic elastomer (TPE)s.
Further, the nucleator be nucleator-TMP-5, nucleator HPN20E or nucleator HPN68L at least
It is a kind of.
Further, the primary antioxidant is that (its composition is four [β-(3,5- di-t-butyl -4- hydroxyls to Hinered phenols antioxidant
Base phenyl) propionic acid] pentaerythritol ester)；Preferably, the primary antioxidant is antioxidant 1010.
Further, the auxiliary antioxidant is that (its composition is three [2.4- di-tert-butyls to phosphite ester compound
Base] phosphite ester)；Preferably, the auxiliary antioxidant is irgasfos 168.
The height is leapt high firm, low smell, the preparation method of the whisker modified material of low linear polypropylene, is included the following steps：
(1) polypropylene, whisker, toughener, nucleator, odor adsorption agent, primary antioxidant and auxiliary antioxidant are weighed, and will
Its mixed at high speed 1-3min in high mixer, is uniformly mixed, obtains premix.
(2) premix is added to the main spout of double screw extruder, carries out melting extrusion, granulating and drying, obtains described
Height leap high firm, low smell, the whisker modified material of low linear polypropylene.
Further, the condition of the melting extrusion step is：One 80-120 DEG C of area's temperature, two 190-210 DEG C of area's temperature, three
210-230 DEG C of area's temperature, four 210-230 DEG C of area's temperature, five 210-230 DEG C of area's temperature, six 210-230 DEG C of area's temperature, seven area's temperature
210-230 DEG C of degree, eight 210-230 DEG C of area's temperature, nine 210-230 DEG C of area's temperature, 250-600 revs/min of engine speed；Twin-screw
The draw ratio of extruder is 40:1.
Relative to the prior art, leap high firm, low smell, the whisker modified material of low linear polypropylene of height of the present invention has
Following advantage：
Height of the present invention leaps high firm, low smell, the whisker modified material of low linear polypropylene by using suitable poly- third
Alkene, elastomer and nucleator, significantly improve the heat distortion temperature and impact strength of material, and reduce the linear of material
The coefficient of expansion, improves the dimensional stability of material, simultaneously as additional ingredients are less in the present invention, does not interfere with material
Matching ability, and it is easy to implement, applicability is wider.
Embodiment
In addition to being defined, technical term used has universal with those skilled in the art of the invention in following embodiments
The identical meanings of understanding.Test reagent used, is routine biochemistry reagent unless otherwise specified in following embodiments；It is described
Experimental method, is conventional method unless otherwise specified.
The bending modulus of impact copolymer polypropylene 1 described in the embodiment of the present invention is 1000-1400MPa；
The bending modulus of impact copolymer polypropylene 2 described in the embodiment of the present invention is 1500-1800MPa, notch shock
Intensity is 7-15kJ/m2；
Toughener 1 described in the embodiment of the present invention is using polystyrene as end segment, is hydrogenated with polybutadiene
Ethylene-butene copolymer is the linear tri-block copolymer (SEBS) of intermediate elastic block；
Toughener 2 described in the embodiment of the present invention is ethylene-octene copolymer；
Whisker described in the embodiment of the present invention is whisker master batch；
Nucleator 1 described in the embodiment of the present invention is HPN20E；
Nucleator 2 described in the embodiment of the present invention is TMB-5；
Odor adsorption agent described in the embodiment of the present invention is infilm 800；
Primary antioxidant described in the embodiment of the present invention is antioxidant 1010；
Auxiliary anti-oxidant described in the embodiment of the present invention is irgasfos 168.
With reference to embodiment, the present invention will be described in detail.
Embodiment 1
A kind of height is leapt high firm, low smell, the whisker modified material of low linear polypropylene, and the modification material is by including following parts by weight
Raw material be made：Impact copolymer polypropylene 1 30.0, impact copolymer polypropylene 2 10.0, homopolypropylene 20.0, toughener 1
(SEBS) 3.0, toughener 2 (ethylene-octene copolymer) 7.0, whisker (whisker master batch) 20.0, nucleator 1 (HPN20E) 0.2,
Nucleator 2 (TMB-5) 0.2, odor adsorption agent 2.0, antioxidant 1010 0.3, irgasfos 168 0.3.
The height is leapt high firm, low smell, the preparation method of the whisker modified material of low linear polypropylene, is included the following steps：
(1) polypropylene, whisker, toughener, nucleator, odor adsorption agent, primary antioxidant and auxiliary antioxidant are weighed, and will
Its mixed at high speed 1-3min in high mixer, is uniformly mixed, obtains premix.
(2) premix is added to the main spout of double screw extruder, carries out melting extrusion, granulating and drying, obtains described
Height leap high firm, low smell, the whisker modified material of low linear polypropylene.
The condition of the melting extrusion step is：One 80-120 DEG C of area's temperature, two 190-210 DEG C of area's temperature, three area's temperature
210-230 DEG C, four 210-230 DEG C of area's temperature, five 210-230 DEG C of area's temperature, six 210-230 DEG C of area's temperature, seven area temperature 210-
230 DEG C, eight 210-230 DEG C of area's temperature, nine 210-230 DEG C of area's temperature, 250-600 revs/min of engine speed；Double screw extruder
Draw ratio be 40:1.
Embodiment 2
A kind of height is leapt high firm, low smell, the whisker modified material of low linear polypropylene, and the modification material is by including following parts by weight
Raw material be made：Impact copolymer polypropylene 1 37.0, impact copolymer polypropylene 2 10.0, homopolypropylene 20.0, toughener 1
(SEBS) 3.0, toughener 2 (ethylene-octene copolymer) 7.0, whisker (whisker master batch) 15.0, nucleator 1 (HPN20E) 0.2,
Nucleator 2 (TMB-5) 0.4, odor adsorption agent 2.0, antioxidant 1010 0.3, irgasfos 168 0.3.
The height leaps high firm, low smell, the preparation method of the whisker modified material of low linear polypropylene with embodiment 1.
Embodiment 3
A kind of height is leapt high firm, low smell, the whisker modified material of low linear polypropylene, and the modification material is by including following parts by weight
Raw material be made：Impact copolymer polypropylene 1 42.0, impact copolymer polypropylene 2 10.0, homopolypropylene 20.0, toughener 1
(SEBS) 2.0, toughener 2 (ethylene-octene copolymer) 3.0, whisker (whisker master batch) 10.0, nucleator 2 (TMB-5) 0.4, gas
Taste adsorbent 2.0, antioxidant 1010 0.3, irgasfos 168 0.3, is placed in high-speed mixer and is sufficiently stirred.
The height leaps high firm, low smell, the preparation method of the whisker modified material of low linear polypropylene with embodiment 1.
Embodiment 4
A kind of height is leapt high firm, low smell, the whisker modified material of low linear polypropylene, and the modification material is by including following parts by weight
Raw material be made：Impact copolymer polypropylene 1 47.0, impact copolymer polypropylene 2 10.0, homopolypropylene 20.0, toughener 1
(SEBS) 2.0, toughener 2 (ethylene-octene copolymer) 3.0, whisker (whisker master batch) 10.0, nucleator 2 (TMB-5) 0.6, gas
Taste adsorbent 2.0, antioxidant 1010 0.3, irgasfos 168 0.3.
The height leaps high firm, low smell, the preparation method of the whisker modified material of low linear polypropylene with embodiment 1.
Comparative example 1
A kind of modified material, the modification material are made of the raw material including following parts by weight：Impact copolymer polypropylene 1 60.0,
Homopolypropylene 20.0, toughener 2 (ethylene-octene copolymer) 5.0, whisker (whisker master batch) 15.0, odor adsorption agent 2.0,
Antioxidant 1010 0.3, irgasfos 168 0.3.
The preparation method of the modification material, includes the following steps：
(1) weigh polypropylene, whisker, odor adsorption agent, primary antioxidant and auxiliary antioxidant, and by its in high mixer it is high
Speed mixing 1-3min, is uniformly mixed, obtains premix.
(2) premix is added to the main spout of double screw extruder, carries out melting extrusion, granulating and drying, obtains described
Modification material.
The condition of the melting extrusion step is：One 80-120 DEG C of area's temperature, two 190-210 DEG C of area's temperature, three area's temperature
210-230 DEG C, four 210-230 DEG C of area's temperature, five 210-230 DEG C of area's temperature, six 210-230 DEG C of area's temperature, seven area temperature 210-
230 DEG C, eight 210-230 DEG C of area's temperature, nine 210-230 DEG C of area's temperature, 250-600 revs/min of engine speed；Double screw extruder
Draw ratio be 40:1.
Comparative example 2
A kind of modified material, the modification material are made of the raw material including following parts by weight：Impact copolymer polypropylene 1 65.0,
Homopolypropylene 20.0, toughener 2 (ethylene-octene copolymer) 5.0, whisker (whisker master batch) 10.0, odor adsorption agent 2.0,
Antioxidant 1010 0.3, irgasfos 168 0.3
The preparation method of the modification material, includes the following steps：
(1) polypropylene, toughener, whisker, odor adsorption agent, primary antioxidant and auxiliary antioxidant are weighed, and by it in height
Mixed at high speed 1-3min in mixed machine, is uniformly mixed, obtains premix.
(2) premix is added to the main spout of double screw extruder, carries out melting extrusion, granulating and drying, obtains described
Modification material.
The condition of the melting extrusion step is：One 80-120 DEG C of area's temperature, two 190-210 DEG C of area's temperature, three area's temperature
210-230 DEG C, four 210-230 DEG C of area's temperature, five 210-230 DEG C of area's temperature, six 210-230 DEG C of area's temperature, seven area temperature 210-
230 DEG C, eight 210-230 DEG C of area's temperature, nine 210-230 DEG C of area's temperature, 250-600 revs/min of engine speed；Double screw extruder
Draw ratio be 40:1.
Comparative example 3
A kind of modified material, the modification material are made of the raw material including following parts by weight：Impact copolymer polypropylene 1 70.0,
Homopolypropylene 20.0, toughener 2 (ethylene-octene copolymer) 5.0, whisker (whisker master batch) 5.0, odor adsorption agent 2.0, resists
Oxygen agent 1,010 0.3, irgasfos 168 0.3.
The preparation method of the modification material, includes the following steps：
(1) polypropylene, toughener, whisker, odor adsorption agent, primary antioxidant and auxiliary antioxidant are weighed, and by it in height
Mixed at high speed 1-3min in mixed machine, is uniformly mixed, obtains premix.
(2) premix is added to the main spout of double screw extruder, carries out melting extrusion, granulating and drying, obtains described
Modification material.
The condition of the melting extrusion step is：One 80-120 DEG C of area's temperature, two 190-210 DEG C of area's temperature, three area's temperature
210-230 DEG C, four 210-230 DEG C of area's temperature, five 210-230 DEG C of area's temperature, six 210-230 DEG C of area's temperature, seven area temperature 210-
230 DEG C, eight 210-230 DEG C of area's temperature, nine 210-230 DEG C of area's temperature, 250-600 revs/min of engine speed；Double screw extruder
Draw ratio be 40:1.
The Izod notched impact test of material is implemented with reference to ASTM D256, the use of batten thickness is 6.4mm, material
Heat distortion temperature test is implemented with reference to ASTM D648, and batten thickness is 6.4mm, and it is edge-on to load as 0.455MPa, modes of emplacement
Put, the linear expansion coefficient test of material is implemented with reference to ASTM D696, and temperature range is -30 DEG C -80 DEG C, and measurement direction is flat
Row is in flow direction, its smell test method is with reference to masses VW ' s PV3900E《Parts smell is tested in automobile bodies》Test
Method, smell judgment criteria are divided into：1 grade of odorlessness；2 grades odorous, noiseless；3 grades have obvious smell but noiseless；4 grades have
Interference smell；5 grades have strong interference smell；6 grades have insupportable smell.
The each group distribution ratio of embodiment 1-4 and comparative example 1-3 is shown in Table 1, what embodiment 1-4 and comparative example 1-3 were prepared
Material progress Izod notched impact strength, heat distortion temperature, linear expansion coefficient, smell test test result are shown in Table 2.
1 embodiment 1-4 of table and comparative example 1-3 formula tables (parts by weight)
2 embodiment 1-4 of table and comparative example 1-3 the performance test results
It can be seen that the impact property of embodiment, heat distortion temperature, size from the testing result of each embodiment and comparative example
Stability and smell are better than comparative example.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (9)
- Firm, low smell, the whisker modified material of low linear polypropylene 1. a kind of height is leapt high, it is characterised in that：The modification material is by including such as The raw material of lower parts by weight is made：
- Firm, low smell, the whisker modified material of low linear polypropylene 2. height according to claim 1 is leapt high, it is characterised in that：Institute The melt flow rate (MFR) for the acrylic resin stated is 5-60g/10min；The bending modulus of the acrylic resin is 800- 2000MPa；The notch impact strength of the acrylic resin is 1-50kJ/m2。
- Firm, low smell, the whisker modified material of low linear polypropylene 3. height according to claim 1 is leapt high, it is characterised in that：Institute The whisker stated is at least one of whisker powder or whisker master batch.
- Firm, low smell, the whisker modified material of low linear polypropylene 4. height according to claim 1 is leapt high, it is characterised in that：Institute The toughener stated is ethylene-octene copolymer, in ethylene propylene diene rubber, propylene-alpha olefin copolymer, SEBS thermoplastic elastomer (TPE)s One or more of mixtures.
- Firm, low smell, the whisker modified material of low linear polypropylene 5. height according to claim 1 is leapt high, it is characterised in that：Institute The nucleator stated is at least one of nucleator TMB-5, nucleator TMP-5, nucleator HPN20E or nucleator HPN68L.
- Firm, low smell, the whisker modified material of low linear polypropylene 6. height according to claim 1 is leapt high, it is characterised in that：Institute The primary antioxidant stated is Hinered phenols antioxidant；Preferably, the primary antioxidant is antioxidant 1010.
- Firm, low smell, the whisker modified material of low linear polypropylene 7. height according to claim 1 is leapt high, it is characterised in that：Institute The auxiliary antioxidant stated is phosphite ester compound；Preferably, the auxiliary antioxidant is irgasfos 168.
- Firm, low smell, the preparation side of the whisker modified material of low linear polypropylene 8. the height any one of claim 1-7 is leapt high Method, it is characterised in that：Include the following steps：(1) weigh polypropylene, whisker, toughener, nucleator, odor adsorption agent, primary antioxidant and auxiliary antioxidant, and by its Mixed at high speed 1-3min in high mixer, is uniformly mixed, obtains premix.(2) premix is added to the main spout of double screw extruder, carries out melting extrusion, granulating and drying, obtains the height Leap high firm, low smell, the whisker modified material of low linear polypropylene.
- Firm, low smell, the preparation method of the whisker modified material of low linear polypropylene 9. height according to claim 8 is leapt high, its It is characterized in that：The condition of the melting extrusion step is：One 80-120 DEG C of area's temperature, two 190-210 DEG C of area's temperature, three area's temperature 210-230 DEG C, four 210-230 DEG C of area's temperature, five 210-230 DEG C of area's temperature, six 210-230 DEG C of area's temperature, seven area temperature 210- 230 DEG C, eight 210-230 DEG C of area's temperature, nine 210-230 DEG C of area's temperature, 250-600 revs/min of engine speed；Double screw extruder Draw ratio be 40:1.
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| CN109679206A (en) * | 2018-12-13 | 2019-04-26 | 广州市聚赛龙工程塑料股份有限公司 | A kind of low nano-filler modified polypropylene material and the preparation method and application thereof that volatilizees |
| CN110655719A (en) * | 2018-06-29 | 2020-01-07 | 合肥杰事杰新材料股份有限公司 | High-rigidity high-toughness low-density polypropylene composition and preparation method thereof |
| CN110964261A (en) * | 2019-12-19 | 2020-04-07 | 天津金发新材料有限公司 | Scratch-resistant, low-odor and low-gloss polypropylene glass wool modified material and preparation method thereof |
| CN111518339A (en) * | 2020-05-05 | 2020-08-11 | 陈洁琼 | Low-temperature-resistant reinforced polypropylene plastic pipe and preparation method thereof |
| WO2022011953A1 (en) * | 2020-07-16 | 2022-01-20 | 金发科技股份有限公司 | High light transmittance and light weight polypropylene composite material and preparation method therefor |
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| CN109679206B (en) * | 2018-12-13 | 2021-09-28 | 广州市聚赛龙工程塑料股份有限公司 | Low-volatility nano filler modified polypropylene material and preparation method and application thereof |
| CN110964261A (en) * | 2019-12-19 | 2020-04-07 | 天津金发新材料有限公司 | Scratch-resistant, low-odor and low-gloss polypropylene glass wool modified material and preparation method thereof |
| CN111518339A (en) * | 2020-05-05 | 2020-08-11 | 陈洁琼 | Low-temperature-resistant reinforced polypropylene plastic pipe and preparation method thereof |
| CN111518339B (en) * | 2020-05-05 | 2022-12-16 | 上海齐润新材料有限公司 | Low-temperature-resistant reinforced polypropylene plastic pipe and preparation method thereof |
| WO2022011953A1 (en) * | 2020-07-16 | 2022-01-20 | 金发科技股份有限公司 | High light transmittance and light weight polypropylene composite material and preparation method therefor |
| CN114874547A (en) * | 2022-06-02 | 2022-08-09 | 常州威材新材料科技有限公司 | High-rigidity low-emission composite polypropylene for vehicle interior and preparation method thereof |
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