CN107501745A - A kind of polypropene composition and preparation method thereof - Google Patents
A kind of polypropene composition and preparation method thereof Download PDFInfo
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- CN107501745A CN107501745A CN201610425752.1A CN201610425752A CN107501745A CN 107501745 A CN107501745 A CN 107501745A CN 201610425752 A CN201610425752 A CN 201610425752A CN 107501745 A CN107501745 A CN 107501745A
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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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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- 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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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention discloses a kind of polypropene composition and preparation method thereof, is made up of following components by weight percent：100 parts of polypropylene, 15 ~ 30 parts of acrylonitrile butadient styrene, 15 ~ 45 parts of glass fiber powder, 10 ~ 35 parts of high mesh number calcium carbonate, 25 ~ 45 parts of toughener, 0.25 ~ 0.5 part of nucleator, 0.4 ~ 0.8 part of lubricant, 0.2 ~ 0.3 part of coupling agent, 0.15 ~ 0.4 part of antioxidant.The present invention utilizes acrylonitrile butadient styrene, glass fiber powder, toughener, the mode of nucleator compounding use, and the shrinkage factor and good stability of the dimension of polypropene composition is greatly reduced.The polypropene composition excellent combination property that the present invention prepares, shrinkage factor is low, and technique is simple, is easily produced in enormous quantities, can be used in high-end automobile using as bumper.
Description
Technical field：
The present invention relates to polymer modification field, more particularly to a kind of polypropene composition and preparation method thereof.
Background technology：
Polypropylene (PP) is easily processed into type and its low with density due to cheap, resistant to chemical etching excellent with itself
The advantages that different physical and mechanical property, its application is very extensive, turns into one of general plastic with fastest developing speed.Protected for automobile
, it is necessary to which higher dimensional stability, i.e., the contraction of material is small after 24h~48h is molded and material is sprayed, wrapped for dangerous thick stick
Less after-contraction should be also kept after the aftertreatment technology such as covering.Current most of automobile main frame maker use polypropylene modified material for
PP+EPDM-TD15~TD30 material, the shrinkage factor of material is 0.8~1.3% after such material injection 24h~48h, is entered
Shrinkage factor after row spraying 24h~48h is 1.0~1.5%.Note：Spraying conditions are 85 DEG C, 40min.
The method of currently used reduction polypropylene material shrinkage factor is as follows：
1st, add filler or increase the amount of filler, such as talcum powder, calcium carbonate, mica；
2nd, glass fibre is added；
3rd, the content of toughener is increased.
The shortcomings that above-mentioned three kinds of methods is respectively：
1st, add filler or increase the amount of filler --- the decline of toughness certainly will be brought；
2nd, glass fibre is added --- the injection problems such as floating fibre, warpage certainly will be brought；
3rd, the content of toughener is increased --- raising, the reduction of modulus of cost certainly will be brought.
The present invention utilizes acrylonitrile-butadiene-styrene copolymer, glass fiber powder, toughener, nucleator compounding use
Mode, prepared that comprehensive mechanical property is excellent, low after-contraction PP composite material.
The content of the invention：
It is an object of the invention to provide a kind of polypropene composition and preparation method thereof.
This polypropene composition of the present invention, is made up of following components by weight percent：
Above-mentioned polypropylene (PP) is two or more COPP compounding use.
Aforesaid propylene nitrile-BS (ABS) melt index >=20g/10min (220 DEG C, 10kg).
Above-mentioned toughener is ethylene-octene copolymer (POE), MBS ternary polymerization
Thing (MBS), SIS/SEBS (SEBS) three's compounding use.
The feeding manner of above-mentioned glass fiber powder is carried out simultaneously by main feeding and side feeding, and mass ratio feeds for main feeding
Amount:Side feeding inlet amount=3:2；Described glass fiber powder moisture≤0.1%, oil absorption≤25g/100g, draw ratio
For 50.
The particle diameter of above-mentioned high mesh number calcium carbonate is in 3000~5000 mesh.
Above-mentioned nucleator is metal carboxylate nucleator.
Above-mentioned lubricant is zinc stearate, ethylene bis stearic acid amide (EBS), white oil compounding use.
Above-mentioned coupling agent is gamma-aminopropyl-triethoxy-silane (KH550).
Above-mentioned antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters (antioxidant 1010)
With three [2,4- di-tert-butyl-phenyls] phosphite ester (irgasfos 168) compounding uses.
The preparation method of above-mentioned polypropene composition is as follows：
The first step：15~45 parts of glass fiber powders are weighed in high-speed mixer A, are subsequently added into 0.2~0.4 part of lubricant
Mixing 20~30 minutes, 2/5 amount for taking out the glass fiber powder mixed afterwards is used for the charging of side feeding, followed by weighing 10
~35 parts of high mesh number calcium carbonate in high-speed mixer A with mixing 20~30 minutes.200~300 revs/min of high mixer A rotating speed,
50~70 DEG C of temperature.
Second step：Weigh 100 parts of polypropylene, 15~30 parts of acrylonitrile-butadiene-styrene copolymers, 25~45 parts of increasings
Tough dose in high-speed mixer B, is subsequently added into 0.25~0.5 portion of nucleator, and 0.2~0.3 part of coupling agent mixes 20~30 minutes.
200~300 revs/min of high mixer B rotating speed, 50~70 DEG C of temperature.
3rd step：Glass fiber powder in high-speed mixer A and calcium carbonate mixture are added in high-speed mixer B,
0.15~0.4 part of antioxidant is added to mix 20~30 minutes.It is eventually adding 0.2~0.4 part of 20~30 points of mix lubricant
Clock.200~300 revs/min of high mixer B rotating speed, 50~70 DEG C of temperature.
4th step：The material that above-mentioned 3rd step is mixed adds wire drawing in double screw extruder and is granulated, cools down, fills bag.It is double
The temperature of screw extruder be followed successively by from feeding section to head 170 DEG C, 195 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225
℃、215℃、215℃、210℃.Screw diameter is 75 millimeters, screw slenderness ratio 44.
The excellent part of the present invention：
1st, the present invention by add glass fiber powder master feeding and meanwhile feed and with high mesh number calcium carbonate, ABS compounding
Use, calcium carbonate powder is evenly affixed to glass fiber powder and ABS surface, forms specific cage structure, greatly enhance
Mechanical property between composition, finally gives the PP composites of excellent combination property, while PP composites are greatly reduced
Shrinkage factor.
2nd, present invention defines glass fiber powder moisture≤0.1%, oil absorption≤25g/100g, draw ratio 50,
The addition of extraordinary glass fiber powder causes composite, and in processing, melting mixing is uniform, is not in head blocking, tie rod
The problems such as broken strip, the composite shrinkage factor and other mechanical properties being prepared are optimal.
3rd, the present invention by add nucleator PP composites after 24h~48h is molded good stability of the dimension and
Less after-contraction is kept after spraying.
4th, the present invention is by adding appropriate toughener in PP, influences PP crystal property so as to reduce PP composites
Shrinkage factor.
5th, present invention process is simple, is easily produced in enormous quantities.
Specific embodiment：
With reference to some embodiments, the invention will be further described with comparative example.Following examples are the present invention
Typical case, protection scope of the present invention are not limited thereto.Melt index according to ASTM D1238-10 perform, 230 DEG C,
Tested under the conditions of 2.16kg；Tensile property performs according to ASTM D638-10, test speed 50mm/min；Bending property according to
ASTM D790-10 are performed, test speed 1.25mm/min；Chalpy impact performance performs according to ASTM D256-10；Density
Performed according to ASTM D792-13；Material shrinkage factor is performed according to ASTM D955-08 and (i.e. surveyed after Injection moulded part cooling 24h
Examination).Spraying after-contraction performs according to ASTM D955-08 and (spraying post processing, spraying post processing is carried out after injection cools down 24h
Tested after 24h.Note：Spraying conditions are 85 DEG C, 40min).All of above test environment is：23 DEG C, 50%RH.
The main raw material(s) used in embodiment and comparative example is as follows：
Embodiment 1
The first step：15 parts of glass fiber powders are weighed in high-speed mixer A, are subsequently added into 0.08 part of lubricant stearic acid zinc
Mixed 20 minutes with 0.12 part of lubricant ethylene bis stearic acid amide, take out 2/5 amount of the glass fiber powder mixed afterwards
Feed for side feeding, mixed 20 minutes followed by 10 part of 5000 mesh calcium carbonate is weighed in high-speed mixer A.High mixer A's
200 revs/min of rotating speed, temperature 50 C.
Second step：Weigh 60 parts of polypropylene BX3900,40 parts of polypropylene 8391,15 parts of toughener of EP5077,15 parts of ABS
POE 8150,7 parts of toughener EM-500A, 3 parts of toughener SEBS G1652 in high-speed mixer B, be subsequently added into 0.25 part into
Core agent HPN-20E, 0.2 part of coupling agent KH550 are mixed 20 minutes.200 revs/min of high mixer B rotating speed, temperature 50 C.
3rd step：Glass fiber powder in high-speed mixer A and calcium carbonate mixture are added in high-speed mixer B,
0.06 part of antioxidant 1010 is added, 0.09 part of irgasfos 168 mixes 20 minutes.It is eventually adding 0.2 part of white oil 36# and mixes 20 points
Clock.200 revs/min of high mixer B rotating speed, temperature 50 C.
4th step：The material that above-mentioned 3rd step is mixed adds wire drawing in double screw extruder and is granulated, cools down, fills bag.It is double
The temperature of screw extruder be followed successively by from feeding section to head 170 DEG C, 195 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225
℃、215℃、215℃、210℃.Screw diameter is 75 millimeters, screw slenderness ratio 44.Performance is shown in Table -1.
Embodiment 2
The first step：45 parts of glass fiber powders are weighed in high-speed mixer A, are subsequently added into 0.21 part of lubricant stearic acid zinc
Mixed 30 minutes with 0.19 part of lubricant ethylene bis stearic acid amide, take out 2/5 amount of the glass fiber powder mixed afterwards
Feed for side feeding, mixed 30 minutes followed by 35 part of 3000 mesh calcium carbonate is weighed in high-speed mixer A.High mixer A's
300 revs/min of rotating speed, temperature 70 C.
Second step：Weigh 58 parts of polypropylene BX3920,42 parts of polypropylene 750,30 parts of toughener of EP5077,30 parts of ABS
POE 8150,10 parts of toughener EM-500A, 5 parts of toughener SEBS G1652 in high-speed mixer B, be subsequently added into 0.5 part into
Core agent HPN-20E, 0.3 part of coupling agent KH550 are mixed 30 minutes.300 revs/min of high mixer B rotating speed, temperature 70 C.
3rd step：Glass fiber powder in high-speed mixer A and calcium carbonate mixture are added in high-speed mixer B,
0.22 part of antioxidant 1010 is added, 0.18 part of irgasfos 168 mixes 30 minutes.It is eventually adding 0.4 part of white oil 36# and mixes 30 points
Clock.300 revs/min of high mixer B rotating speed, temperature 70 C.
4th step：The material that above-mentioned 3rd step is mixed adds wire drawing in double screw extruder and is granulated, cools down, fills bag.It is double
The temperature of screw extruder be followed successively by from feeding section to head 170 DEG C, 195 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225
℃、215℃、215℃、210℃.Screw diameter is 75 millimeters, screw slenderness ratio 44.Performance is shown in Table -1.
Embodiment 3
The first step：21 parts of glass fiber powders are weighed in high-speed mixer A, are subsequently added into 0.09 part of lubricant stearic acid zinc
Mixed 23 minutes with 0.17 part of lubricant ethylene bis stearic acid amide, take out 2/5 amount of the glass fiber powder mixed afterwards
Feed for side feeding, mixed 27 minutes followed by 12 part of 4000 mesh calcium carbonate is weighed in high-speed mixer A.High mixer A's
234 revs/min of rotating speed, 57 DEG C of temperature.
Second step：Weigh 43 parts of polypropylene K7760H, 57 parts of polypropylene 8391,19 parts of toughener of EP5077,19 parts of ABS
POE 8150,7 parts of toughener EM-500A, 5 parts of toughener SEBS G1652 in high-speed mixer B, be subsequently added into 0.29 part into
Core agent HPN-20E, 0.24 part of coupling agent KH550 are mixed 24 minutes.209 revs/min of high mixer B rotating speed, 59 DEG C of temperature.
3rd step：Glass fiber powder in high-speed mixer A and calcium carbonate mixture are added in high-speed mixer B,
0.16 part of antioxidant 1010 is added, 0.19 part of irgasfos 168 mixes 22 minutes.It is eventually adding 0.23 part of white oil 36# mixing 21
Minute.262 revs/min of high mixer B rotating speed, 62 DEG C of temperature.
4th step：The material that above-mentioned 3rd step is mixed adds wire drawing in double screw extruder and is granulated, cools down, fills bag.It is double
The temperature of screw extruder be followed successively by from feeding section to head 170 DEG C, 195 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225
℃、215℃、215℃、210℃.Screw diameter is 75 millimeters, screw slenderness ratio 44.Performance is shown in Table -1.
Embodiment 4
The first step：29 parts of glass fiber powders are weighed in high-speed mixer A, are subsequently added into 0.08 part of lubricant stearic acid zinc
Mixed 27 minutes with 0.12 part of lubricant ethylene bis stearic acid amide, take out 2/5 amount of the glass fiber powder mixed afterwards
Feed for side feeding, mixed 22 minutes followed by 18 part of 5000 mesh calcium carbonate is weighed in high-speed mixer A.High mixer A's
260 revs/min of rotating speed, 53 DEG C of temperature.
Second step：Weigh 40 parts of polypropylene BX3900,60 parts of polypropylene 750,14 parts of toughener of EP5077,22 parts of ABS
POE 8150,12 parts of toughener EM-500A, 7 parts of toughener SEBS G1652 are subsequently added into 0.37 part in high-speed mixer B
Nucleator HPN-20E, 0.28 part of coupling agent KH550 are mixed 28 minutes.287 revs/min of high mixer B rotating speed, 59 DEG C of temperature.
3rd step：Glass fiber powder in high-speed mixer A and calcium carbonate mixture are added in high-speed mixer B,
0.08 part of antioxidant 1010 is added, 0.09 part of irgasfos 168 mixes 29 minutes.It is eventually adding 0.21 part of white oil 36# mixing 20
Minute.220 revs/min of high mixer B rotating speed, 66 DEG C of temperature.
4th step：The material that above-mentioned 3rd step is mixed adds wire drawing in double screw extruder and is granulated, cools down, fills bag.It is double
The temperature of screw extruder be followed successively by from feeding section to head 170 DEG C, 195 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225
℃、215℃、215℃、210℃.Screw diameter is 75 millimeters, screw slenderness ratio 44.Performance is shown in Table -1.
Embodiment 5
The first step：32 parts of glass fiber powders are weighed in high-speed mixer A, are subsequently added into 0.09 part of lubricant stearic acid zinc
Mixed 21 minutes with 0.17 part of lubricant ethylene bis stearic acid amide, take out 2/5 amount of the glass fiber powder mixed afterwards
Feed for side feeding, mixed 29 minutes followed by 21 part of 3000 mesh calcium carbonate is weighed in high-speed mixer A.High mixer A's
252 revs/min of rotating speed, 67 DEG C of temperature.
Second step：Weigh 31 parts of polypropylene BX3920,69 parts of polypropylene 8391,15 parts of toughener of EP5077,23 parts of ABS
POE 8150,7 parts of toughener EM-500A, 4 parts of toughener SEBS G1652 in high-speed mixer B, be subsequently added into 0.33 part into
Core agent HPN-20E, 0.23 part of coupling agent KH550 are mixed 27 minutes.290 revs/min of high mixer B rotating speed, temperature 70 C.
3rd step：Glass fiber powder in high-speed mixer A and calcium carbonate mixture are added in high-speed mixer B,
0.07 part of antioxidant 1010 is added, 0.09 part of irgasfos 168 mixes 27 minutes.It is eventually adding 0.26 part of white oil 36# mixing 25
Minute.250 revs/min of high mixer B rotating speed, temperature 60 C.
4th step：The material that above-mentioned 3rd step is mixed adds wire drawing in double screw extruder and is granulated, cools down, fills bag.It is double
The temperature of screw extruder be followed successively by from feeding section to head 170 DEG C, 195 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225
℃、215℃、215℃、210℃.Screw diameter is 75 millimeters, screw slenderness ratio 44.Performance is shown in Table -1.
Embodiment 6
The first step：38 parts of glass fiber powders are weighed in high-speed mixer A, are subsequently added into 0.07 part of lubricant stearic acid zinc
Mixed 29 minutes with 0.14 part of lubricant ethylene bis stearic acid amide, take out 2/5 amount of the glass fiber powder mixed afterwards
Feed for side feeding, mixed 25 minutes followed by 29 part of 4000 mesh calcium carbonate is weighed in high-speed mixer A.High mixer A's
240 revs/min of rotating speed, 58 DEG C of temperature.
Second step：Weigh 50 parts of polypropylene K7760H, 50 parts of polypropylene 8391,21 parts of toughener of EP5077,25 parts of ABS
POE 8150,9 parts of toughener EM-500A, 6 parts of toughener SEBS G1652 in high-speed mixer B, be subsequently added into 0.39 part into
Core agent HPN-20E, 0.24 part of coupling agent KH550 are mixed 29 minutes.290 revs/min of high mixer B rotating speed, 67 DEG C of temperature.
3rd step：Glass fiber powder in high-speed mixer A and calcium carbonate mixture are added in high-speed mixer B,
0.06 part of antioxidant 1010 is added, 0.09 part of irgasfos 168 mixes 20 minutes.It is eventually adding 0.22 part of white oil 36# mixing 22
Minute.260 revs/min of high mixer B rotating speed, temperature 70 C.
4th step：The material that above-mentioned 3rd step is mixed adds wire drawing in double screw extruder and is granulated, cools down, fills bag.It is double
The temperature of screw extruder be followed successively by from feeding section to head 170 DEG C, 195 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225
℃、215℃、215℃、210℃.Screw diameter is 75 millimeters, screw slenderness ratio 44.Performance is shown in Table -1.
Embodiment 7
The first step：43 parts of glass fiber powders are weighed in high-speed mixer A, are subsequently added into 0.08 part of lubricant stearic acid zinc
Mixed 30 minutes with 0.18 part of lubricant ethylene bis stearic acid amide, take out 2/5 amount of the glass fiber powder mixed afterwards
Feed for side feeding, mixed 23 minutes followed by 34 part of 5000 mesh calcium carbonate is weighed in high-speed mixer A.High mixer A's
208 revs/min of rotating speed, 64 DEG C of temperature.
Second step：Weigh 72 parts of polypropylene BX3920,28 parts of polypropylene 750,23 parts of toughener of EP5077,29 parts of ABS
POE 8150,12 parts of toughener EM-500A, 8 parts of toughener SEBS G1652 are subsequently added into 0.46 part in high-speed mixer B
Nucleator HPN-20E, 0.27 part of coupling agent KH550 are mixed 28.4 minutes.200 revs/min of high mixer B rotating speed, temperature 56.3
℃。
3rd step：Glass fiber powder in high-speed mixer A and calcium carbonate mixture are added in high-speed mixer B,
0.06 part of antioxidant 1010 is added, 0.09 part of irgasfos 168 mixes 20 minutes.It is eventually adding 0.27 part of white oil 36# mixing
26.7 minutes.289 revs/min of high mixer B rotating speed, 52 DEG C of temperature.
4th step：The material that above-mentioned 3rd step is mixed adds wire drawing in double screw extruder and is granulated, cools down, fills bag.It is double
The temperature of screw extruder be followed successively by from feeding section to head 170 DEG C, 195 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225
℃、215℃、215℃、210℃.Screw diameter is 75 millimeters, screw slenderness ratio 44.Performance is shown in Table -1.
Table -1
As can be seen from the above embodiments, the polypropene composition excellent combination property that the present invention prepares, shrinkage factor is low,
It can be used in high-end automobile using as bumper.
Claims (11)
1. a kind of polypropene composition, it is characterised in that be made up of following components by weight percent：
100 parts of polypropylene,
15 ~ 30 parts of acrylonitrile-butadiene-styrene copolymer,
15 ~ 45 parts of glass fiber powder,
10 ~ 35 parts of high mesh number calcium carbonate,
25 ~ 45 parts of toughener,
0.25 ~ 0.5 part of nucleator,
0.4 ~ 0.8 part of lubricant,
0.2 ~ 0.3 part of coupling agent,
0.15 ~ 0.4 part of antioxidant.
A kind of 2. as claimed in claim 1, polypropene composition, it is characterised in that the polypropylene is two or more
COPP compounding use.
A kind of 3. as claimed in claim 1, polypropene composition, it is characterised in that the acrylonitrile-butadiene-styrene (ABS) is total to
Ionomeric copolymer melt index >=20g/10min in 220 DEG C, 10kg.
4. as claimed in claim 1, a kind of polypropene composition, it is characterised in that the toughener is copolymerized for ethylene-octene
Thing, MBS terpolymer, SIS/SEBS three
Compounding use.
5. as claimed in claim 1, a kind of polypropene composition, it is characterised in that the feeding manner of the glass fiber powder by
Main feeding and side feeding are carried out simultaneously, and mass ratio is main feeding inlet amount:Side feeding inlet amount=3:2；Described glass fibre
Powder moisture≤0.1%, oil absorption≤25g/100g, draw ratio 50.
A kind of 6. as claimed in claim 1, polypropene composition, it is characterised in that the particle diameter of the high mesh number calcium carbonate exists
3000 ~ 5000 mesh.
A kind of 7. as claimed in claim 1, polypropene composition, it is characterised in that the nucleator is metal carboxylate nucleator.
8. as claimed in claim 1, a kind of polypropene composition, it is characterised in that the lubricant is zinc stearate, ethylene pair
Stearic amide, white oil compounding use.
A kind of 9. as claimed in claim 1, polypropene composition, it is characterised in that the coupling agent is the ethoxy of γ-aminopropyl three
Base silane.
10. as claimed in claim 1, a kind of polypropene composition, it is characterised in that the antioxidant be four [β-（The uncles of 3,5- bis-
Butyl -4- hydroxy phenyls）Propionic acid] pentaerythritol ester and three [2,4- di-tert-butyl-phenyls] phosphite ester compounding uses.
11. a kind of preparation method of polypropene composition described in claim 1, it is characterised in that comprise the following steps：
The first step：15 ~ 45 parts of glass fiber powders are weighed in high-speed mixer A, are subsequently added into 0.2 ~ 0.4 part of mix lubricant 20
~ 30 minutes, 2/5 amount of the glass fiber powder mixed is taken out afterwards and is fed for side feeding, followed by weighing 10 ~ 35 parts of height
Mesh number calcium carbonate mixes 20 ~ 30 minutes in high-speed mixer A；200 ~ 300 revs/min of high mixer A rotating speed, temperature 50 ~ 70
℃；
Second step：Weigh 100 parts of polypropylene, 15 ~ 30 parts of polyaniline copolymers, 25 ~ 45 parts of toughener in high-speed mixer B,
0.25 ~ 0.5 portion of nucleator is subsequently added into, 0.2 ~ 0.3 part of coupling agent mixes 20 ~ 30 minutes；High mixer B 200 ~ 300 turns of rotating speed/
Minute, 50 ~ 70 DEG C of temperature；
3rd step：Glass fiber powder in high-speed mixer A and calcium carbonate mixture are added in high-speed mixer B, then added
Enter 0.15 ~ 0.4 part of antioxidant to mix 20 ~ 30 minutes, be eventually adding 0.2 ~ 0.4 part of mix lubricant 20 ~ 30 minutes；High mixer
200 ~ 300 revs/min of B rotating speed, 50 ~ 70 DEG C of temperature；
4th step：The material that above-mentioned 3rd step is mixed adds wire drawing in double screw extruder and is granulated, cools down, fills bag；Twin-screw
The temperature of extruder be followed successively by from feeding section to head 170 DEG C, 195 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 215
DEG C, 215 DEG C, 210 DEG C, screw diameter be 75 millimeters, screw slenderness ratio 44.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929487A (en) * | 2018-07-17 | 2018-12-04 | 杭州高兴工程塑料有限公司 | A kind of thermally conductive electromagnetic shielding polypropylene composite material and preparation method |
| CN109096683A (en) * | 2018-07-10 | 2018-12-28 | 福建新代实业有限公司 | A kind of ink inkstone and preparation method |
| CN111454513A (en) * | 2019-01-18 | 2020-07-28 | 青岛海尔电冰箱有限公司 | Plastic and heating device with plastic part made of plastic |
| CN113061303A (en) * | 2020-01-02 | 2021-07-02 | 合肥杰事杰新材料股份有限公司 | Glass fiber reinforced polypropylene material and preparation method thereof |
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| CN103739952A (en) * | 2013-12-27 | 2014-04-23 | 青岛大都新材料科技有限公司 | PP (propylene) composite material capable of replacing ABS (Acrylonitrile Ethylene Styrene) and preparation method of PP composite material |
| CN104277322A (en) * | 2013-07-03 | 2015-01-14 | 合肥杰事杰新材料股份有限公司 | Antistatic high-luster polypropylene composite material and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104277322A (en) * | 2013-07-03 | 2015-01-14 | 合肥杰事杰新材料股份有限公司 | Antistatic high-luster polypropylene composite material and preparation method thereof |
| CN103739952A (en) * | 2013-12-27 | 2014-04-23 | 青岛大都新材料科技有限公司 | PP (propylene) composite material capable of replacing ABS (Acrylonitrile Ethylene Styrene) and preparation method of PP composite material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109096683A (en) * | 2018-07-10 | 2018-12-28 | 福建新代实业有限公司 | A kind of ink inkstone and preparation method |
| CN108929487A (en) * | 2018-07-17 | 2018-12-04 | 杭州高兴工程塑料有限公司 | A kind of thermally conductive electromagnetic shielding polypropylene composite material and preparation method |
| CN111454513A (en) * | 2019-01-18 | 2020-07-28 | 青岛海尔电冰箱有限公司 | Plastic and heating device with plastic part made of plastic |
| CN111454513B (en) * | 2019-01-18 | 2023-11-21 | 青岛海尔电冰箱有限公司 | Plastic material and heating device with plastic part made of same |
| CN113061303A (en) * | 2020-01-02 | 2021-07-02 | 合肥杰事杰新材料股份有限公司 | Glass fiber reinforced polypropylene material and preparation method thereof |
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Application publication date: 20171222 |