CN108727677A - A kind of preparation method of low-odor thermoplastic elastic composition - Google Patents
A kind of preparation method of low-odor thermoplastic elastic composition Download PDFInfo
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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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
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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- 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
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- C08K2201/003—Additives being defined by their diameter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The invention discloses a kind of preparation methods of low-odor thermoplastic elastic composition, belong to field of material technology, the present invention includes at least 100 parts of thermoplastic elastomer (TPE), 30~150 parts of filling oil, 0.05~0.15 part of primary antioxidant, 0.1~0.3 part of auxiliary anti-oxidant, 1.0~5.0 parts of eliminating smell agent and 0.1~1.0 part of smell chelating agent, it assists squeezing out using supercritical carbon dioxide, it restrained effectively the heat of polyethylene and oxygen degradation in extrusion, the dissolution of small molecule volatile matter is greatly accelerated simultaneously, and before extruding dies by way of pressure release extraction by small molecule volatile matter removing.Simple for process using the method for the present invention, applied widely, production cost is low, is conducive to promote and apply.
Description
Technical field
The present invention relates to a kind of preparation methods for low-odor thermoplastic elastic composition.
Background technology
Thermoplastic elastomer (TPE) (TPE) refers to the property for having at normal temperatures good vulcanized rubber（It is i.e. elastic）, in high temperature
Under but also with thermoplastic engineering plastic fluidity of molten and reusability, can be plasticized deformation and still keep its rubber-like
The constant high molecular material of elasticity.It again can directly use plastics traditional processing means, carry out injection molding, extrusion molding,
Blow molding and calendering formation etc. manufacture finished product compared with the more quick processing method of conventional vulcanized rubbers.And there is light weight
（Density is low）, environmental protection（It is recyclable, burning it is nontoxic）, service life it is long（Can more traditional rubber up to 5~10 times or more）, process variations
The advantages such as degree is big, product totle drilling cost is low.In recent years, the country is with the swift and violent growth of auto industry, TPE（With TPV, TPO and TPS
Based on）The application market being formed to centered on automobile forms the rapid growth impetus of holding average annual 15%~20%.TPE quilts
It is widely used in body of a motor car, interior exterior trim, structural member and special purpose, the TPE market shares constantly expand.In recent years, China
TPE application markets are quickly grown, and become most fast one of the country of global TPE demand growth.
Chinese patent discloses CN104497551 and provides a kind of low smell flame retardant thermoplastic polyurethane elastomer and its preparation
Method is made by adding 0.2 ~ 2 part of eliminating smell agent, the material can control flame retardant thermoplastic polyurethane elastomer gas
Taste, and the mechanical property that material itself can be kept good.
Chinese patent discloses CN105153512 and discloses a kind of polyolefin alloy thermoplastic elastomer (TPE) material of low TVOC contents
Material and preparation method thereof, bright to remove low molecular weight volatile object using extractant, extractant releases in material melts Blending Processes
Low-boiling auxiliary agent can play extraction polyolefin alloy thermoplastic elastic material with odor profiles small molecule similar compatibility,
Odor profiles small-molecule substance effect, is then taken away by vacuumizing in material, obtains the polyolefin of the low TVOC contents of low smell
Alloy thermoplastic elastic material；And the material being prepared has good mechanical property, high temperature resistance, resistance to ag(e)ing
The advantages that energy, low smell, low TVOC contents, good appearance, the necks such as household electrical appliances, automobile, electron and electrician can be widely used in
Domain.
It can be seen that mainly being reduced at present using either physically or chemically in terms of reducing thermoplastic elastomer (s) smell
The volatilizable object component of material, to achieve the effect that eliminate peculiar smell.In practical operation, this simple method for leaning on eliminating smell agent
It is often difficult to reach optimum efficiency.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of preparation method of low smell ethylene elastomer compositions, made
Standby composition for thermoplastic elastomer have it is functional, the low feature of smell can effectively avoid the body to air environment and people
Body health has an adverse effect.
The technical scheme is that：
A method of low-odor thermoplastic elastic composition being prepared, it is characterized in that including the following steps：
（1）Each raw material of formula is weighed in proportion, and super mixer is added and is uniformly mixed；
A kind of low-odor thermoplastic elastic composition includes following components：
100 parts by weight of thermoplastic elastomer (TPE)
Oily 30 ~ 150 parts by weight of filling
0.05 ~ 0.15 parts by weight of primary antioxidant
0.1 ~ 0.3 parts by weight of auxiliary anti-oxidant
1.0 ~ 5.0 parts by weight of eliminating smell agent
0.1 ~ 1.0 parts by weight of smell chelating agent
（2）By step（1）The each component mixture of formula is added from the first heating zone of double screw extruder, and by overcritical two
Carbon oxide fluid is added twin-screw extrude from third heating zone or the second heating zone, the quality of supercritical carbon dioxide fluid
Account for the 2 ~ 30% of extrudate gross mass.50 revs/min ~ 500 revs/min of extruder driving screw rotating speed, 150 ~ 240 DEG C of extrusion temperature are squeezing
It is one or many before machine outlet mould to vacuumize devolatilization, it squeezes out water cooled material strip, granulation and drying and obtains.
The polyethylene is the thermoplastic elastomer (TPE) of 0.1 ~ 30g/10min of melt flow rate (MFR), including ethylene/hexene-
- 1 copolymer of 1 copolymer and ethylene/octene.
The rubber filling oil of the filling oil selected from 200 DEG C of flash-point or more, such as saturated straight chain alkane or naphthenic oil.
Be principally used for may be used for rubber filling oil, do not limit it is any, but for solving the problems, such as smell
Rubber filling oil requires higher flash-point here（200℃）More than, to ensure that there is smaller volatility.
The primary antioxidant, preferably hindered phenol compound, more preferable β-(4 hydroxyls-3,5-di-tert-butyl-phenyl)
Propionic acid n-octadecyl alcohol ester（Article number：Antioxidant 1076）, four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] seasons penta
Four alcohol esters（Article number：Antioxidant 1010）, 1,3,5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyls) isocyanuric acid（Trade name：It is anti-
Oxygen agent 3114）Or combinations thereof, most preferably β-(4-hydroxyls-3,5-di-tert-butyl-phenyl) propionic acid n-octadecyl alcohol ester quotient
Article Number：Antioxidant 1076）.
The auxiliary anti-oxidant, preferably (2,4- di-tert-butyl-phenyl) tris phosphite（Article number：Irgasfos 168）, season penta
Tetrol bis-phosphite two (2,4- di-tert-butyls phenyl) ester（Antioxidant 626）Or combinations thereof.
The eliminating smell agent, can be selected from medical stone, Bio-sil, one or more, the preferred medical stone of molecular sieve etc..
The smell chelating agent is selected from zinc ricinoleate.
Primary antioxidant, auxiliary anti-oxidant and the halogen-absorber can be added with pure form, can also masterbatch or
Compound additive form is added.
The low-odor thermoplastic elastic composition is -1 copolymer of ethylene/hexene, filling oil（SUNPAR2280,
U.S.'s sun）, primary antioxidant is selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, auxiliary anti-oxidant
Selected from (2,4- di-tert-butyl-phenyl) tris phosphite, eliminating smell agent is selected from medical stone, and smell chelating agent is selected from zinc ricinoleate.
The low-odor thermoplastic elastic composition is -1 copolymer of ethylene/octene, filling oil（SUNPAR2280,
U.S.'s sun）, primary antioxidant is selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, auxiliary anti-oxidant
Selected from (2,4- di-tert-butyl-phenyl) tris phosphite, eliminating smell agent is selected from medical stone, and smell chelating agent is selected from zinc ricinoleate.
The low-odor thermoplastic elastic composition is -1 copolymer of ethylene/octene, filling oil（SUNPAR2280,
U.S.'s sun）, primary antioxidant is selected from β-(4 hydroxyls-3,5-di-tert-butyl-phenyl) propionic acid n-octadecyl alcohol ester, auxiliary antioxygen
Agent is selected from (2,4- di-tert-butyl-phenyl) tris phosphite, and eliminating smell agent is selected from medical stone, and smell chelating agent is selected from zinc ricinoleate.
The low-odor thermoplastic elastic composition is -1 copolymer of ethylene/octene, filling oil（SUNPAR2280,
U.S.'s sun）, primary antioxidant is selected from 1,3,5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyl) isocyanuric acids, auxiliary anti-oxidant is selected from
Pentaerythritol bis-phosphite two (2,4- di-tert-butyl phenyl) ester, eliminating smell agent are selected from medical stone, and smell chelating agent is selected from castor-oil plant
Alkyd zinc.
The low-odor thermoplastic elastic composition is -1 copolymer of ethylene/butylene, filling oil（TUDALEN 16,
The German Chinese is holy）, primary antioxidant is selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, auxiliary anti-oxidant
Selected from (2,4- di-tert-butyl-phenyl) tris phosphite, eliminating smell agent is selected from medical stone and Bio-sil, and smell chelating agent is selected from castor
Numb alkyd zinc.
The low-odor thermoplastic elastic composition is -1 copolymer of ethylene/octene, filling oil（TUDALEN 16,
The German Chinese is holy）, primary antioxidant is selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, auxiliary anti-oxidant
Selected from (2,4- di-tert-butyl-phenyl) tris phosphite, eliminating smell agent is selected from Bio-sil, and smell chelating agent is selected from zinc ricinoleate.
Advantageous effect：
The present invention is squeezed out using supercritical carbon dioxide auxiliary, restrained effectively the heat of polyethylene and oxygen drop in extrusion
Solution, while greatly accelerating the dissolution of small molecule volatile matter, and before extruding dies by way of pressure release extraction by small molecule
Volatile matter removing.Simple for process using the method for the present invention, applied widely, production cost is low, is conducive to promote and apply；It is prepared
Composition for thermoplastic elastomer have it is functional, the low feature of smell can effectively avoid the body to air environment and people
Health has an adverse effect；Composition can be used for the higher occasion of odor dispersion performance requirement, such as automotive upholstery, household system
The manufacture of product etc..
The present invention is comprehensive
Falling a part by supercritical carbon dioxide extracting when modified has the small molecule of larger smell（This and existing macromolecule material
The supercritical carbon dioxide ancillary technique of material the difference is that, existing high molecular material supercritical carbon dioxide ancillary technique
It is by supercritical carbon dioxide to assist that reactant or small molecule are disperseed/be diffused into high molecular material）, in addition pass through again
Addition has smell the auxiliary agent of absorption and chelation in formula, final to realize that the purpose for reducing polymer smell, effect are wanted
Better than the existing simple scheme using formula adjustment.
Specific implementation mode
Illustrate the present invention in further detail with reference to embodiments, but the present invention is not limited to these Examples.
Composition for thermoplastic elastomer tests its correlated performance using following methods：
（1）Measurement of odor standard：It by Volkswagen's VW ' s PV3900E standards, is evaluated using 1 ~ 6 grade, rank is got over
Height, smell are bigger.Concrete regulation such as following table
Embodiment 1
Weigh -1 copolymer of 50kg ethylene/hexenes（LG chemistry LC175X, 1.1 g/10min of melt flow rate (MFR), density
0.870g/cm3）, 40kg filling oil（SUNPAR2280, U.S.'s sun）, 25g antioxidant 1010s, 50g irgasfos 168s, 500 grams
Medical stone（2500 mesh of granularity）, 500 grams of zinc ricinoleates, it is agitated be sufficiently mixed absorption after, it is 48 that draw ratio L/D, which is added,:1
Double screw extruder, rate of feeding 50g/min, 100 revs/min of screw speed；Supercritical carbon dioxide fluid is squeezed from twin-screw
The second heating zone for going out machine is added to extruder, and the quality of supercritical carbon dioxide fluid is the 20% of polyethylene quality, and speed is added
Degree is 10g/min.Double screw extruder is divided into 10 heating zones, wherein the first Heating Zone Temperature is 160 DEG C, other heating zones
Temperature is 130 DEG C ~ 180 DEG C.Devolatilization is vacuumized in the 8th area, the water cooled pelletizing of extruding pelletization material strip obtains product.
Embodiment 2
Weigh -1 copolymer of 50kg ethylene/octenes（DOW Chemical ENGAGE 8440, melt flow rate (MFR) 1.6 g/10min, it is close
Spend 0.897g/cm3）, 30kg filling oil（SUNPAR2280, U.S.'s sun）, 50g antioxidant 1010s, 100g irgasfos 168s,
1500 grams of medical stones（2500 mesh of granularity）, 250 grams of zinc ricinoleates, it is agitated be sufficiently mixed absorption after, be added draw ratio L/D be
48:1 double screw extruder, rate of feeding 50g/min, 100 revs/min of screw speed；Supercritical carbon dioxide fluid is from double
Second heating zone of screw extruder is added to extruder, and the quality of supercritical carbon dioxide fluid is the 10% of polyethylene quality,
Addition speed is 5g/min.Double screw extruder is divided into 10 heating zones, wherein the first Heating Zone Temperature is 160 DEG C, it is other
Heating Zone Temperature is 130 DEG C ~ 180 DEG C.Devolatilization is vacuumized in the 8th heating zone, the water cooled pelletizing of extruding pelletization material strip obtains product.
Embodiment 3
Weigh -1 copolymer of 30kg ethylene/octenes（Tao Shi ENGAGE 8150, melt flow rate (MFR), 0.5g/10min, density
0.868g/cm3）, 45kg filling oil（SUNPAR2280, U.S.'s sun）, 75g antioxidant 1076s, 100g irgasfos 168s, 2500
Gram medical stone（2500 mesh of granularity）, 350 grams of zinc ricinoleates, it is agitated be sufficiently mixed after, it is 48 that draw ratio L/D, which is added,:1 pair
Screw extruder, rate of feeding 50g/min, 100 revs/min of screw speed；Supercritical carbon dioxide fluid is from twin-screw extrusion
Second heating zone of machine is added to extruder, and the quality of supercritical carbon dioxide fluid is the 30% of polyethylene quality, and speed is added
For 15g/min.Double screw extruder is divided into 10 heating zones, wherein the first Heating Zone Temperature is 160 DEG C, other heating zone temperature
Degree is 130 DEG C ~ 180 DEG C.Devolatilization is vacuumized in the 8th heating zone, the water cooled pelletizing of extruding pelletization material strip obtains product.
Embodiment 4
Weigh -1 copolymer of 50kg ethylene/octenes（Tao Shi ENGAGE 7447, melt flow rate (MFR) 5g/10min, density
0.865g/cm3）, 25kg filling oil（SUNPAR2280, U.S.'s sun）, 50g antioxidant 3114s, 100g antioxidant 626,1000
Gram medical stone（2500 mesh of granularity）, 150 grams of zinc ricinoleates, it is agitated be sufficiently mixed absorption after, it is 48 that draw ratio L/D, which is added,:1
Double screw extruder, rate of feeding 50g/min, 100 revs/min of screw speed；Supercritical carbon dioxide fluid is from twin-screw
Second heating zone of extruder is added to extruder, and the quality of supercritical carbon dioxide fluid is the 30% of polyethylene quality, is added
Speed is 15g/min.Double screw extruder is divided into 10 heating zones, wherein the first Heating Zone Temperature is 160 DEG C, other heating
Area's temperature is 130 DEG C ~ 180 DEG C.Devolatilization is vacuumized in the 8th heating zone, the water cooled pelletizing of extruding pelletization material strip obtains product.
Embodiment 5
Weigh -1 copolymer of 50kg ethylene/butylenes（Exxon Mobil, Vistamaxx5371, melt flow rate (MFR) 11g/10min,
Density 0.870g/cm3）, 20kg filling oil（TUDALEN 16, the German Chinese are holy）, 50g antioxidant 1010s, 50g irgasfos 168s,
500 grams of medical stones（2500 mesh of granularity）, 1000 grams of Bio-sils, 50 grams of zinc ricinoleates, it is agitated be sufficiently mixed absorption after, add
It is 48 to enter draw ratio L/D:1 double screw extruder, rate of feeding 50g/min, 100 revs/min of screw speed；Overcritical dioxy
Change carbon flow body and be added to extruder from the second heating zone of double screw extruder, the quality of supercritical carbon dioxide fluid is poly- second
The 15% of alkene quality, addition speed are 7.5g/min.Double screw extruder is divided into 10 heating zones, wherein the first heating zone temperature
Degree is 160 DEG C, and other Heating Zone Temperatures are 130 DEG C ~ 180 DEG C.Devolatilization is vacuumized in the 8th heating zone, extruding pelletization material strip is through water
Cold palletizing obtains product.
Embodiment 6
Weigh -1 copolymer of 50kg ethylene/octenes（DOW Chemical ENGAGE 8400, melt flow rate (MFR) 30g/10min, density
0.870g/cm3）, 15kg filling oil（TUDALEN 16, the German Chinese are holy）, 50g antioxidant 1010s, 50g irgasfos 168s, 1000 grams
Bio-sil, 50 grams of zinc ricinoleates, it is agitated be sufficiently mixed after, it is 48 that draw ratio L/D, which is added,:1 double screw extruder is fed
Material speed is 50g/min, 100 revs/min of screw speed；Supercritical carbon dioxide fluid is from the second heating zone of double screw extruder
It is added to extruder, the quality of supercritical carbon dioxide fluid is the 2% of polyethylene quality, and addition speed is 1g/min.Twin-screw
Extruder is divided into 10 heating zones, wherein the first Heating Zone Temperature is 160 DEG C, other Heating Zone Temperatures are 130 DEG C ~ 180 DEG C.
Devolatilization is vacuumized in the 8th heating zone, the water cooled pelletizing of extruding pelletization material strip obtains product.
Comparative example 1
Weigh -1 copolymer of 50kg ethylene/butylenes（Exxon Mobil, Vistamaxx 5371, melt flow rate (MFR) 11g/
10min, density 0.870g/cm3）, 20kg filling oil（TUDALEN 16, the German Chinese are holy）, 50g antioxidant 1010s, 50g antioxidant
168, it is agitated be sufficiently mixed absorption after, it is 48 that draw ratio L/D, which is added,:1 double screw extruder, rate of feeding 50g/min,
100 revs/min of screw speed；Double screw extruder is divided into 10 heating zones, wherein the first Heating Zone Temperature is 160 DEG C, it is other
Heating Zone Temperature is 130 DEG C ~ 180 DEG C.Devolatilization is vacuumized in the 8th heating zone, the water cooled pelletizing of extruding pelletization material strip obtains product.
Comparative example 2
Weigh -1 copolymer of 30kg ethylene/octenes（Tao Shi ENGAGE 8150, melt flow rate (MFR), 0.5g/10min, density
0.868g/cm3）, 45kg filling oil（SUNPAR2280, U.S.'s sun）, 50g antioxidant 1010s, 50g irgasfos 168s are agitated
After being sufficiently mixed absorption, it is 48 that draw ratio L/D, which is added,:1 double screw extruder, rate of feeding 50g/min, screw speed
100 revs/min；Double screw extruder is divided into 10 heating zones, wherein the first Heating Zone Temperature is 160 DEG C, other heating zone temperature
Degree is 130 DEG C ~ 180 DEG C.Devolatilization is vacuumized in the 8th heating zone, the water cooled pelletizing of extruding pelletization material strip obtains product.
The performance of 1. composition for thermoplastic elastomer of table
| Performance | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example 1 | Comparative example 2 |
| Smell | Grade | 2.5 | 3.0 | 3 | 2.5 | 3 | 3.0 | 3.5 | 4.0 |
Method using the present invention, can be effectively plus addition eliminating smell agent it can be seen from embodiment 1-6 and comparative example comparison
By the various volatile small molecules and organic compound in composition, composition for thermoplastic elastomer prepared by the present invention has low
Smell feature.
By embodiment 3 and comparative example 2, embodiment 5 with from the point of view of the comparison of comparative example 1, overcritical dioxy using the present invention
Change carbon extracting method can effectively by polymer volatile small molecule and organic compound dissolution extracting, more significantly
Reduce the oder levels of composition for thermoplastic elastomer.
Claims (7)
1. a kind of preparation method of low-odor thermoplastic elastic composition, it is characterised in that comprise the steps of：
(1) each raw material of formula is weighed in proportion, and super mixer is added and is uniformly mixed；
The polyethylene is the thermoplastic elastomer (TPE) of 0.1~30g/10min of melt flow rate (MFR), including ethylene/butylene -1 is total
- 1 copolymer of polymers, -1 copolymer of ethylene/hexene and ethylene/octene；
The rubber filling oil of the filling oil selected from 200 DEG C of flash-point or more；
(2) each component mixture of step (1) formula is added from the first heating zone of double screw extruder, and by overcritical two
Carbon oxide fluid is added twin-screw extrude from third heating zone or the second heating zone, the quality of supercritical carbon dioxide fluid
Account for the 2~30% of extrudate gross mass, 50 revs/min~500 revs/min of extruder driving screw rotating speed, 150~240 DEG C of extrusion temperature,
Devolatilization is vacuumized before extruding dies, is squeezed out water cooled material strip, granulation and drying and is obtained.
2. preparation method according to claim 1, it is characterised in that：The primary antioxidant, preferably hindered phenol compound,
Selected from β-(4 hydroxyl -3,5- di-tert-butyl-phenyl) propionic acid n-octadecyl alcohol ester, four [β-(3,5- di-tert-butyl-hydroxy phenyl)
Propionic acid] pentaerythritol ester, 1,3,5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyl) isocyanuric acids or combinations thereof.
3. preparation method according to claim 1, it is characterised in that：The auxiliary anti-oxidant is selected from (2,4- di-tert-butyls
Base) tris phosphite, pentaerythritol bis-phosphite two (2,4- di-tert-butyl phenyl) ester or combinations thereof.
4. preparation method according to claim 1, it is characterised in that：The eliminating smell agent is selected from medical stone, Bio-sil,
Molecular sieve etc. it is one or more.
5. preparation method according to claim 1, it is characterised in that：The smell chelating agent is selected from zinc ricinoleate.
6. preparation method according to claim 1, it is characterised in that：
The low-odor thermoplastic elastic composition is -1 copolymer of ethylene/hexene, and filling oil, primary antioxidant is selected from four
[β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, auxiliary anti-oxidant are selected from (2,4- di-tert-butyl-phenyl) Asia
Phosphotriester, eliminating smell agent are selected from medical stone, and smell chelating agent is selected from zinc ricinoleate；
Or -1 copolymer of ethylene/octene, filling oil, primary antioxidant are selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) third
Acid] pentaerythritol ester, auxiliary anti-oxidant be selected from (2,4- di-tert-butyl-phenyl) tris phosphite, eliminating smell agent be selected from medical stone, smell
Chelating agent is selected from zinc ricinoleate；
Or -1 copolymer of ethylene/octene, filling oil, primary antioxidant is selected from β-(4 hydroxyl -3,5- di-tert-butyl-phenyl), and propionic acid is just
Octadecanol ester, auxiliary anti-oxidant are selected from (2,4- di-tert-butyl-phenyl) tris phosphite, and eliminating smell agent is selected from medical stone, smell chelating
Agent is selected from zinc ricinoleate；
Or -1 copolymer of ethylene/octene, filling oil, primary antioxidant are selected from 1,3,5- tri- (3,5- di-t-butyl -4- hydroxyl benzyls
Base) isocyanuric acid, auxiliary anti-oxidant be selected from pentaerythritol bis-phosphite two (2,4- di-tert-butyl phenyl) ester, eliminating smell agent be selected from wheat
Meal stone, smell chelating agent are selected from zinc ricinoleate；
Or -1 copolymer of ethylene/butylene, filling oil, primary antioxidant are selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) third
Acid] pentaerythritol ester, auxiliary anti-oxidant be selected from (2,4- di-tert-butyl-phenyl) tris phosphite, and eliminating smell agent is selected from medical stone and porous
Silica gel, smell chelating agent are selected from zinc ricinoleate；
Or -1 copolymer of ethylene/octene, filling oil, primary antioxidant are selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) third
Acid] pentaerythritol ester, auxiliary anti-oxidant be selected from (2,4- di-tert-butyl-phenyl) tris phosphite, eliminating smell agent be selected from Bio-sil, gas
Taste chelating agent is selected from zinc ricinoleate.
7. preparation method according to claim 1, it is characterised in that：Primary antioxidant, auxiliary anti-oxidant and the halogen is inhaled
Agent is received to be added by pure form or be added in the form of masterbatch or compound additive.
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| CN201710259625.3A CN108727677A (en) | 2017-04-20 | 2017-04-20 | A kind of preparation method of low-odor thermoplastic elastic composition |
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| CN201710259625.3A CN108727677A (en) | 2017-04-20 | 2017-04-20 | A kind of preparation method of low-odor thermoplastic elastic composition |
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| CN201710259625.3A Pending CN108727677A (en) | 2017-04-20 | 2017-04-20 | A kind of preparation method of low-odor thermoplastic elastic composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743704A (en) * | 2019-10-29 | 2021-05-04 | 中国石油化工股份有限公司 | Polyurethane thermoplastic elastomer and preparation method and application thereof |
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| CN102837408A (en) * | 2012-09-18 | 2012-12-26 | 贵州凯科特材料有限公司 | Double screw extruder and method for using same to prepare light-smell polypropylene |
| CN103254499A (en) * | 2013-03-06 | 2013-08-21 | 苏州旭光聚合物有限公司 | Low-smell vehicle polypropylene composite material and its preparation method |
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Application publication date: 20181102 |