CN106928540A - High-rigidity heat-resistant polypropylene/polyphenylene sulfide PP/PPS alloy and preparation method thereof - Google Patents
High-rigidity heat-resistant polypropylene/polyphenylene sulfide PP/PPS alloy and preparation method thereof Download PDFInfo
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- CN106928540A CN106928540A CN201511021487.2A CN201511021487A CN106928540A CN 106928540 A CN106928540 A CN 106928540A CN 201511021487 A CN201511021487 A CN 201511021487A CN 106928540 A CN106928540 A CN 106928540A
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 62
- 239000004734 Polyphenylene sulfide Substances 0.000 title claims abstract description 58
- 229920000069 polyphenylene sulfide Polymers 0.000 title claims abstract description 58
- -1 polypropylene Polymers 0.000 title claims abstract description 32
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 30
- 239000000956 alloy Substances 0.000 title claims abstract description 24
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229920000642 polymer Polymers 0.000 claims abstract description 9
- 229920001400 block copolymer Polymers 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract 2
- 229920006380 polyphenylene oxide Polymers 0.000 claims abstract 2
- 229920001451 polypropylene glycol Polymers 0.000 claims abstract 2
- HEAMQYHBJQWOSS-UHFFFAOYSA-N ethene;oct-1-ene Chemical compound C=C.CCCCCCC=C HEAMQYHBJQWOSS-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 150000003568 thioethers Chemical class 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 37
- 238000005469 granulation Methods 0.000 abstract description 12
- 230000003179 granulation Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 229920006351 engineering plastic Polymers 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229920006389 polyphenyl polymer Polymers 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- BIISIZOQPWZPPS-UHFFFAOYSA-N 2-tert-butylperoxypropan-2-ylbenzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC=C1 BIISIZOQPWZPPS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000012745 toughening agent Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical class C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical class S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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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
-
- 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
-
- 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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/92704—Temperature
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/10—Peculiar tacticity
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a high-rigidity heat-resistant polypropylene/polyphenylene oxide PP/PPS alloy and a preparation method thereof, wherein the raw materials comprise, by weight, 70-93% of polypropylene PP, 5-20% of polyphenylene sulfide PPS and 2-10% of a compatilizer, wherein the compatilizer is a polymer of ethylene-octene block copolymer grafted maleic anhydride, and the grafting ratio of the maleic anhydride is 0.2-2 wt%. The raw materials are uniformly mixed according to the proportion and added into a double-screw extruder, and the PP/PPS alloy is prepared through melt reactive extrusion and granulation, wherein the temperature of the double-screw extruder is 260-320 ℃, the length-diameter ratio is 25-50, and the screw rotation speed is 180-revolution per minute. Because the novel compatilizer is adopted, the alloy material with high rigidity, heat resistance and good impact resistance can be prepared while the usage amount of the polyphenylene sulfide is greatly reduced. The preparation process is simple, the production cost is low, and the product comprehensive performance is excellent.
Description
Technical field
The present invention relates to a kind of just heat-resistance polypropylene/polyphenylene sulfide PP/PPS alloys and preparation method thereof high.
Background technology
Polypropylene has excellent processing characteristics, anti-organic solvent and acid and alkali corrosion good, while light weight,
It is inexpensive, it is widely used in shell of inner and outer decorative parts of automobile, electronics and household electronic products etc..By changing
Property instead of engineering plastics in many application scenarios now, be that current growth rate is most fast, application
Most wide universal thermoplastic.
Polypropylene rigid-tough balance can be improved and be improved by production technology and catalyst technology,
Make product that there is more excellent combination property, but product development difficulty is larger, it is difficult to while meeting
Requirement of some fields of market to material high rigidity, high-impact and heat resistance.Polyphenylene sulfide (PPS)
It is a kind of engineering plastics of excellent performance, (is only second to excellent heat resistance, chemical-resistance
Tetrafluoroethene), fire resistance and dimensional stability, but it is poor to there is also impact resistance, machine-shaping
The shortcomings of property has much room for improvement.Therefore both advantage can be utilized to prepare, and density is low, mechanical property is excellent
Polypropylene/the polyphenyl thioether alloy of good, solvent resistance and fine heat-resisting performance (is abbreviated as PP/PPS conjunctions
Gold) material, substitution part price engineering plastics higher.CN101348589 describes a kind of filling
Type polyphenylene sulfide/PP composite material and forming method, to the effect that by modified molybdenum disulfide with it is poly-
Then propylene and polyphenylene sulfide prepare filling type polyphenyl thioether by mechanical blending on compression molding forming machine
Ether/PP composite material.US6,830,792 has reported for work a kind of polyolefin/polyphenylene sulfide (PO/PPS)
Alloy and its material phase structure, the method use ethylene/methacrylic acid dehydrated glyceride copolymer conduct
Compatilizer improves the compatibility between PO and PPS, the PP/PPS composites tool for preparing
There is excellent rigidity and toughness and excellent processing characteristics and durability.Disclosed in above-mentioned patent
In PP/PPS alloy materials, PPS adds content (typically between 20%-60%) higher, mainly
With PP come MODIFIED PP S, PP dispersed phases are dispersed in PPS continuous phases, relatively costly, the limit of material
The application of PP/PPS alloy materials is made.
The content of the invention
The present invention is crowded using reactivity with new maleic anhydride grafted polymer as compatilizer and toughener
Go out technique compatilizer is grafted on PP or PPS polymer chain, using a small amount of PPS engineering resins
Carry out MODIFIED PP, prepare modified PP/PPS alloys, the method preparation process is simple, be produced into
This is relatively low, and the polypropylene alloy of preparation can substitute other engineering plastics and apply in appliance shell, electronics
The fields such as electrical equipment, automotive upholstery.
Just heat-resistance polypropylene/polyphenylene sulfide PP/PPS alloys high of the invention, with weight percent number scale, its
Raw material includes：
Polypropylene PP 70-93%
Polyphenylene thioether PPS 5-20%
Compatilizer 2-10%
Polypropylene of the present invention is melt flow rate (MFR) (test condition：230 DEG C, 2.16Kg)
HOPP between 2-30g/min, homopolymerization isotacticity is more than 97%, such as CNPC's Lanzhou Petrochemical
Company H8020 and H8010, South Korea Samsung HJ730 etc..
The compatilizer is the polymer of ethylene octene block copolymer grafted maleic anhydride
(OBC-g-MAH), the soft section of OBC can provide good cohesive, while hard section can be carried
For heat resistance, the polymer after grafted maleic anhydride can not only improve the compatibility between PP, PPS,
And toughening modifying can be carried out to PP/PPS alloys.The ethylene octene block copolymer (OBC),
Such as Tao Shi Infuse OBC block copolymers 9100,9107,9000 etc..
Between 0.2-2wt%, OBC-g-MAH can use existing document to the grafting rate of maleic anhydride
It is prepared.Such as refer to the Chemical Industry in Guangzhou phases of vol.39 the 23rd in 2011《Twin screw extrusion process pair
Maleic anhydride grafting POE grafting rate influence researchs》The preparation method carries out the system of OBC-g-MAH
It is standby：By MAH and initiator two (t-butylperoxyisopropyl) benzene (DCP) and OBC blocks
After copolymer is well mixed, in adding mixture to extruder machine hopper, in uniform temperature and screw rod
Melting extrusion under rotating speed, and it is that can obtain OBC-g-MAH polymer, the grafting of maleic anhydride to granulate
Rate can be adjusted by screw speed and maleic anhydride addition.It is preferred that the grafting rate of maleic anhydride exists
Between 0.4-1.5wt%.
Polyphenylene sulfide (PPS) can use commercially available injection grade PPS powder, such as Chevron Corporation Philips
PR06, PR37 powder, toray industrial group A900, A503 powder etc..Warp can also be used
Cross the PPS injection particles of glass fiber-reinforced mistake, such as glass fibers of Philips Corporate of Chevron Corporation 40%
PPS compound Rs 4-02, R-4-230NA that dimension was strengthened etc., using by glass fiber-reinforced mistake
PPS, rigidity and the more preferable PP/PPS composites of toughness can be prepared.
The preparation method of this just heat-resistance polypropylene alloy material high is as described below：
(1) with weight percent number scale, according to polypropylene 70-93%, polyphenylene sulfide 5-20%, compatible
The proportioning of agent 2-10% weighs raw material；
(2) polypropylene, polyphenylene sulfide, compatilizer are well mixed in super mixer；
(3) raw material of mixing is placed in twin-screw, is extruded through molten reactive, granulation, twin-screw
Extrusion temperature control between 260 DEG C -320 DEG C, draw ratio between 25-50, whole extrusion
Residence time is 1-3 minutes, 180-600 revs/min of screw speed.
The present invention adds ethylene octene block copolymer grafted maleic anhydride compatilizer, using reactivity altogether
The method of extrusion, prepares polypropylene/polyphenyl thioether alloy, the method preparation process is simple, is produced into
This is relatively low, the polypropylene/polyphenyl thioether alloy of preparation have rigid, excellent heat resistance higher and compared with
Good shock resistance.After testing, the alloy material tensile strength >=34MPa, bending modulus >=
1800MPa, 23 DEG C of notch impact strength >=4kJ/m2, heat distortion temperature (0.45MPa) >=130 DEG C,
The alloy can substitute other engineering plastics and apply in appliance shell, automotive upholstery, electronic apparatus etc.
Field.
Specific embodiment
With reference to embodiment, the present invention is further illustrated, but the invention is not limited in following
Embodiment.
The preparation of compatilizer ethylene octene block copolymer grafted maleic anhydride polymer (OBC-g-MAH)
According to OBC (Tao Shi Infuse 9000)：Maleic anhydride：DCP=100:1:0.1 weight ratio
Example weighs 3 kilograms, is well mixed the various components in formula in high mixer, equal by feeding motor
Even feeding, then carries out the extruding pelletization, (0-40 of feeding capacity 22 by double screw extruder (L/D=34)
Intervals control), 300 revs/min of screw speed, 190 DEG C of extrusion temperature.Prepare ethylene octene
Block copolymer grafted maleic anhydride polymer (OBC-g-MAH), the grafting of polymer maleic anhydride
Rate is 0.59%.By adjusting screw rod rotating speed to 257 revs/min, other conditions are constant to obtain maleic anhydride
Grafting rate is 0.43%；Regulation adds component and consumption, according to OBC (Tao Shi Infuse 9100)：
Maleic anhydride：DCP=100:2:0.15 adds, and other conditions are constant, and maleic anhydride grafting ratio is increased to
1.3%.
Embodiment 1
By 3 kilograms of polypropylene H8020 resins (MFR 16g/10min, isotacticity 97.3%), 300
Gram Chevron Corporation Philips PPS PR06 powder, (maleic anhydride is grafted 150 grams of OBC-g-MAH
Rate is 1.3%) to be well mixed in high-speed mixer, is subsequently adding to double spiral shells that draw ratio is 34
Bar carries out Reaction extrusion granulation, and twin screw extrusion process is as follows, extrusion temperature：One 265 DEG C of area,
Two 270 DEG C of areas, three 295 DEG C of areas, four 295 DEG C of areas, five 310 DEG C of areas, six 310 DEG C of areas, seven 310 DEG C of areas,
Eight 290 DEG C of areas, nine 290 DEG C of areas；Screw speed is 350 revs/min.
Its performance is tested by respective standard, 1 is as a result see the table below.
Embodiment 2
By 3 kilograms of polypropylene H8020 resins, 200 grams of Chevron Corporation Philips PPS PR37 powder,
100 grams of OBC-g-MAH (maleic anhydride grafting ratio is 1.3%) carry out mixing in high-speed mixer
Even, being subsequently adding to the twin-screw that draw ratio is 34 carries out Reaction extrusion granulation, twin-screw extrusion work
Skill is as follows, extrusion temperature：One 265 DEG C of area, two 270 DEG C of areas, three 295 DEG C of areas, four 295 DEG C of areas,
Five 310 DEG C of areas, six 310 DEG C of areas, seven 310 DEG C of areas, eight 290 DEG C of areas, nine 290 DEG C of areas；Screw rod turns
Speed is 350 revs/min.
Its performance is tested by respective standard, 1 is as a result see the table below.
Embodiment 3
By 3 kilograms of polypropylene H8020 resins, 200 grams of toray industrial group PPS A900 powder,
100 grams of OBC-g-MAH (maleic anhydride grafting ratio is 0.59%) carry out mixing in high-speed mixer
Even, being subsequently adding to the twin-screw that draw ratio is 34 carries out Reaction extrusion granulation, twin-screw extrusion work
Skill is as follows, extrusion temperature：One 260 DEG C of area, two 270 DEG C of areas, three 290 DEG C of areas, four 290 DEG C of areas,
Five 300 DEG C of areas, six 300 DEG C of areas, seven 290 DEG C of areas, eight 280 DEG C of areas, nine 280 DEG C of areas；Screw rod turns
Speed is 350 revs/min.
Its performance is tested by respective standard, 1 is as a result see the table below.
Embodiment 4
By 3 kilograms of polypropylene H8010 resins (MFR 11g/10min, isotacticity 97.5%, similarly hereinafter),
200 grams of Chevron Corporation Philips PPS PR06 powder, 100 grams of OBC-g-MAH (maleic anhydrides
Grafting rate is 1.3%) to be well mixed in high-speed mixer, and it is 34 to be subsequently adding to draw ratio
Twin-screw carries out Reaction extrusion granulation, and twin screw extrusion process is as follows, extrusion temperature：One area 260
DEG C, two 270 DEG C of areas, three 290 DEG C of areas, four 290 DEG C of areas, five 300 DEG C of areas, six 300 DEG C of areas, seven
290 DEG C of area, eight 280 DEG C of areas, nine 280 DEG C of areas；Screw speed is 300 revs/min.
Its performance is tested by respective standard, 1 is as a result see the table below.
Embodiment 5
By 3 kilograms of polypropylene H8010 resins, 200 grams of toray industrial group PPS A900 powder,
150 grams of OBC-g-MAH (maleic anhydride grafting ratio is 1.3%) carry out mixing in high-speed mixer
Even, being subsequently adding to the twin-screw that draw ratio is 34 carries out Reaction extrusion granulation, twin-screw extrusion work
Skill is as follows, extrusion temperature：One 270 DEG C of area, two 280 DEG C of areas, three 290 DEG C of areas, four 290 DEG C of areas,
Five 300 DEG C of areas, six 300 DEG C of areas, seven 290 DEG C of areas, eight 290 DEG C of areas, nine 280 DEG C of areas；Screw rod turns
Speed is 300 revs/min.
Its performance is tested by respective standard, 1 is as a result see the table below.
Embodiment 6
By 3 kilograms of polypropylene H8010 resins, 200 grams of toray industrial group PPS A900 powder,
100 grams of OBC-g-MAH (maleic anhydride grafting ratio is 0.43%) carry out mixing in high-speed mixer
Even, being subsequently adding to the twin-screw that draw ratio is 34 carries out Reaction extrusion granulation, twin-screw extrusion work
Skill is as follows, extrusion temperature：One 270 DEG C of area, two 280 DEG C of areas, three 290 DEG C of areas, four 290 DEG C of areas,
Five 300 DEG C of areas, six 300 DEG C of areas, seven 290 DEG C of areas, eight 290 DEG C of areas, nine 280 DEG C of areas；Screw rod turns
Speed is 300 revs/min.
Its performance is tested by respective standard, 1 is as a result see the table below.
Embodiment 7
By 3 kilograms of polypropylene H8020 resins, 200 grams of Chevron Corporation Philips PPS PR37 powder,
100 grams of OBC-g-MAH (maleic anhydride grafting ratio is 0.43%) carry out mixing in high-speed mixer
Even, being subsequently adding to the twin-screw that draw ratio is 34 carries out Reaction extrusion granulation, twin-screw extrusion work
Skill is as follows, extrusion temperature：One 270 DEG C of area, two 280 DEG C of areas, three 290 DEG C of areas, four 290 DEG C of areas,
Five 300 DEG C of areas, six 300 DEG C of areas, seven 290 DEG C of areas, eight 290 DEG C of areas, nine 280 DEG C of areas；Screw rod turns
Speed is 350 revs/min.
Its performance is tested by respective standard, 1 is as a result see the table below.
Embodiment 8
By 3 kilograms of polypropylene H8020 resins, 300 grams of toray industrial group PPS A900 powder,
150 grams of OBC-g-MAH (maleic anhydride grafting ratio is 0.59%) carry out mixing in high-speed mixer
Even, being subsequently adding to the twin-screw that draw ratio is 34 carries out Reaction extrusion granulation, twin-screw extrusion work
Skill is as follows, extrusion temperature：One 260 DEG C of area, two 260 DEG C of areas, three 275 DEG C of areas, four 290 DEG C of areas,
Five 290 DEG C of areas, six 290 DEG C of areas, seven 290 DEG C of areas, eight 260 DEG C of areas, nine 260 DEG C of areas；Screw rod turns
Speed is 350 revs/min.
Its performance is tested by respective standard, 1 is as a result see the table below.
Comparative example 9
H8020 tests its performance by respective standard, as a result see the table below 1.
Comparative example 10
By 3 kilograms of polypropylene H8020 resins and 100 grams of maleic anhydride graft phenylethenes
(OBC-g-MAH) (maleic anhydride grafting ratio is 0.59%), carry out mixing 1 in high-speed mixer
Minute, being subsequently adding to the twin-screw that draw ratio is 34 carries out Reaction extrusion granulation, twin-screw extrusion
Technique is as follows, extrusion temperature：One 190 DEG C of area, two 190 DEG C of areas, three 200 DEG C of areas, four 200 DEG C of areas,
Five 200 DEG C of areas, six 200 DEG C of areas, seven 200 DEG C of areas, eight 190 DEG C of areas, nine 190 DEG C of areas；Screw rod turns
Speed is 350 revs/min.
Its performance is tested by respective standard, 1 is as a result see the table below.
Comparative example 11
By 3 kilograms of polypropylene H8020 resins and 200 grams of PPS PR06 powder, in high-speed mixer
Mixing 1 minute is carried out, being subsequently adding to the twin-screw that draw ratio is 34 carries out Reaction extrusion granulation,
Twin screw extrusion process is as follows, extrusion temperature：One 270 DEG C of area, two 280 DEG C of areas, three 290 DEG C of areas,
Four 290 DEG C of areas, five 300 DEG C of areas, six 300 DEG C of areas, seven 290 DEG C of areas, eight 290 DEG C of areas, nine 280 DEG C of areas；
Screw speed is 350 revs/min.
Its performance is tested by respective standard, 1 is as a result see the table below.
The embodiment 1-8 of table 1 and comparative example's 9-11 test results
Be can be seen that from test result, prepared as compatilizer, toughener using OBC-g-MAH
Modified PP/PPS alloys, hence it is evident that impact property, bending strength and the heat for improving PP resins become
Shape temperature, makes rigidity, toughness and the heat resistance of PP/PPS alloys be improved, and makes the material can
Applied in fields such as appliance shell, automotive upholsteries with substituting other engineering plastics.
Claims (2)
1. a kind of high just heat-resistance polypropylene/polyphenylene oxide PP/PPS alloys, with weight percent number scale, it is former
Material includes：
Polypropylene PP 70-93%
Polyphenylene thioether PPS 5-20%
Compatilizer 2-10%
Wherein, described polypropylene is HOPP of the melt flow rate (MFR) between 2-30g/min,
Melt flow rate (MFR) test condition is 230 DEG C, 2.16Kg, and homopolymerization isotacticity is more than 97%；The phase
It is the polymer of ethylene octene block copolymer grafted maleic anhydride to hold agent, and the grafting rate of maleic anhydride is
0.2-2wt%.
2. a kind of preparation method of firm heat-resistance polypropylene high/polyphenylene sulfide PP/PPS alloys, wherein, tool
Body step includes：
(1) with weight percent number scale, according to polypropylene 70-93%, polyphenylene sulfide 5-20%, compatible
The proportioning of agent 2-10% weighs raw material；
(2) raw material that will be weighed is well mixed；
(3) by well mixed raw material addition double screw extruder, extruded through molten reactive, made
Grain, is obtained PP/PPS alloys, double screw extruder temperature control between 260 DEG C -320 DEG C, major diameter
Than between 25-50,180-600 revs/min of screw speed.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107641212A (en) * | 2017-09-28 | 2018-01-30 | 宁波帅特龙集团有限公司 | A kind of automotive upholstery |
| CN107880353A (en) * | 2017-11-22 | 2018-04-06 | 常州大学 | A kind of solvent resistant polymer composite and its preparation method and application |
| CN111040305A (en) * | 2019-12-28 | 2020-04-21 | 广州鼎晟汽车零部件有限公司 | Plastic product for front end framework of automobile |
| CN111117068A (en) * | 2019-12-31 | 2020-05-08 | 中材科技（苏州）有限公司 | Modified polypropylene composite material and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804793A (en) * | 2014-01-22 | 2014-05-21 | 常州大学 | Blending material capable of improving flowability and solvent resistance of polypropylene and preparation method of blending material |
-
2015
- 2015-12-31 CN CN201511021487.2A patent/CN106928540A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804793A (en) * | 2014-01-22 | 2014-05-21 | 常州大学 | Blending material capable of improving flowability and solvent resistance of polypropylene and preparation method of blending material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107641212A (en) * | 2017-09-28 | 2018-01-30 | 宁波帅特龙集团有限公司 | A kind of automotive upholstery |
| CN107880353A (en) * | 2017-11-22 | 2018-04-06 | 常州大学 | A kind of solvent resistant polymer composite and its preparation method and application |
| CN107880353B (en) * | 2017-11-22 | 2020-08-14 | 常州大学 | Solvent-resistant polymer composite material and preparation method and application thereof |
| CN111040305A (en) * | 2019-12-28 | 2020-04-21 | 广州鼎晟汽车零部件有限公司 | Plastic product for front end framework of automobile |
| CN111117068A (en) * | 2019-12-31 | 2020-05-08 | 中材科技（苏州）有限公司 | Modified polypropylene composite material and preparation method thereof |
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Application publication date: 20170707 |