CN106957484A - A kind of high-impact RPP and preparation method thereof - Google Patents
A kind of high-impact RPP and preparation method thereof Download PDFInfo
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- CN106957484A CN106957484A CN201710233699.XA CN201710233699A CN106957484A CN 106957484 A CN106957484 A CN 106957484A CN 201710233699 A CN201710233699 A CN 201710233699A CN 106957484 A CN106957484 A CN 106957484A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of high-impact RPP and preparation method thereof, basic recipe and weight ratio composition are：Modified polypropene 30 ~ 40%, polyfunctional group chain extender 10 ~ 20%, reinforcing fiber 8 ~ 15%, coupling agent 5 ~ 10%, styrene block copolymer 15 ~ 25%, maleic anhydride graft copolymer 5 ~ 10%, antioxidant 0.2 ~ 2%.It is baking material, well mixed the preparation method is that weigh the material in material formula by weight ratio, mixed material is sent into double screw extruder loading hopper, through twin-screw high speed shear, extrusion, tie rod, cooling, granulation.Polypropylene produced by the present invention, mechanical strength is high, anti-impact effect is good, low cost, it is adaptable to the field such as building template, sports equipment, toy.
Description
Technical field
The present invention relates to engineering plastics field, more particularly to a kind of high-impact RPP and preparation method thereof.
Background technology
Acrylic resin has good physical property and mouldability, and it also has good chemical resistance, free from extraneous odour, nontoxic etc.
Advantage, as a kind of environmentally friendly material, it is being expanded rapidly using scope.Particularly in automobile component, refrigerator, sky
There is provided the acrylic resin product of light weight and excellent rigidity in terms of tune.
But, polypropylene material causes its application by certain limit because intensity itself is not high and shock resistance is poor
System, in consideration of it, being necessary to be improved the performance of polypropylene material, a kind of shock proof polypropylene material of enhancing of exploitation.
The content of the invention
Present invention aims to overcome that defect of the prior art is there is provided a kind of high-impact RPP, its mechanics is strong
Degree is high, anti-impact effect is good, low cost.
Meanwhile, present invention also offers a kind of preparation method of high-impact RPP.
To reach above-mentioned purpose, the present invention is achieved by the following technical solutions：
A kind of high-impact RPP, basic recipe and weight ratio composition are：
Modified polypropene 30 ~ 40%
Polyfunctional group chain extender 10 ~ 20%
Reinforcing fiber 8 ~ 15%
Coupling agent 5 ~ 10%
Styrene block copolymer 15 ~ 25%
Maleic anhydride graft copolymer 5 ~ 10%
Antioxidant 0.2 ~ 2%.
It is preferred that, the modified polypropene is POE toughening modifying polypropylene.
It is preferred that, functional group's number of the polyfunctional group chain extender is three or more than three.
It is preferred that, the polyfunctional group chain extender is at least one in trimethylolpropane, triethylene glycol.
It is preferred that, the reinforcing fiber is alkali-free long glass fibres, and length is 0.1-1mm.
It is preferred that, the coupling agent is aluminium titanium composite coupler.
It is preferred that, the styrene block copolymer is hydrogenation saturation thermoplastic styrene-butadiene block copolymer
（SEBS）.
It is preferred that, the maleic anhydride graft copolymer is maleic anhydride-g-SBS, maleic anhydride is grafted in EPDM
It is at least one.
It is preferred that, the grafting rate of the maleic anhydride graft copolymer is 15-20%.
Above-mentioned high-impact RPP, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, and modified polypropene, polyfunctional group chain extender, SEBS are added into batch mixing
In machine, 30 ~ 50min is stirred, is well mixed；
（2）By rest materials and step（1）In the material that mixes add together in batch mixer, stir 40 ~ 60min, mixing is equal
It is even；
（3）By step（2）In the material that mixes put into extruder, processed extrusion, tie rod, pelletizing；Processing technology is such as
Under：Area's temperature of double screw extruder is set as 180 ~ 200 DEG C, two area's temperature be 200 ~ 220 DEG C, three area's temperature be 220 ~
240 DEG C, four area's temperature are that 210 ~ 190 DEG C of head temperatures are 160 ~ 180 DEG C, and rate of feeding is 30 ~ 250 revs/min, screw speed
For 100 ~ 600 revs/min.
Beneficial effects of the present invention：
Compared with prior art, the polypropylene that prepared by the present invention, adds polyfunctional group chain extender, by chain extension, improves poly- third
The molecular weight of alkene molecule, enhances the tensile strength of polypropylene material.Add styrene block copolymer, keep material compared with
On the basis of high tensile, the impact strength of material is improved.Polypropylene produced by the present invention, mechanical strength is high, anti-impact
Effect is good, low cost, it is adaptable to the field such as building template, sports equipment, toy.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
POE toughening modifyings polypropylene 30%, trimethylolpropane 20%, alkali-free long glass fibres 8%, aluminium titanium composite coupler 5%,
SEBS 25%, maleic anhydride-g-SBS 10%, antioxidant 2%.
Above-mentioned high-impact RPP, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, and modified polypropene, polyfunctional group chain extender, SEBS are added into batch mixing
In machine, 30min is stirred, is well mixed；
（2）By rest materials and step（1）In the material that mixes add together in batch mixer, stir 40min, be well mixed；
（3）By step（2）In the material that mixes put into extruder, processed extrusion, tie rod, pelletizing；Processing technology is such as
Under：Area's temperature of double screw extruder is set as 180 DEG C, two area's temperature are 200 DEG C, three area's temperature are 220 DEG C, four area's temperature
It it is 160 DEG C for 210 DEG C of head temperatures, rate of feeding is 30 revs/min, screw speed is 100 revs/min.
Embodiment 2
POE toughening modifyings polypropylene 40%, triethylene glycol 14.5%, alkali-free long glass fibres 10%, aluminium titanium composite coupler 10%,
SEBS 20%, maleic anhydride grafting EPDM 5%, antioxidant 0.5%.
Above-mentioned high-impact RPP, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, and modified polypropene, polyfunctional group chain extender, SEBS are added into batch mixing
In machine, 50min is stirred, is well mixed；
（2）By rest materials and step（1）In the material that mixes add together in batch mixer, stir 60min, be well mixed；
（3）By step（2）In the material that mixes put into extruder, processed extrusion, tie rod, pelletizing；Processing technology is such as
Under：Area's temperature of double screw extruder is set as 200 DEG C, two area's temperature are 220 DEG C, three area's temperature are 240 DEG C, four area's temperature
It it is 180 DEG C for 190 DEG C of head temperatures, rate of feeding is 250 revs/min, screw speed is 600 revs/min.
Embodiment 3
POE toughening modifyings polypropylene 35%, trimethylolpropane 14%, alkali-free long glass fibres 15%, aluminium titanium composite coupler
10%th, SEBS 15%, maleic anhydride-g-SBS 10%, antioxidant 1%.
Above-mentioned high-impact RPP, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, and modified polypropene, polyfunctional group chain extender, SEBS are added into batch mixing
In machine, 40min is stirred, is well mixed；
（2）By rest materials and step（1）In the material that mixes add together in batch mixer, stir 50min, be well mixed；
（3）By step（2）In the material that mixes put into extruder, processed extrusion, tie rod, pelletizing；Processing technology is such as
Under：Area's temperature of double screw extruder is set as 190 DEG C, two area's temperature are 210 DEG C, three area's temperature are 230 DEG C, four area's temperature
It it is 170 DEG C for 200 DEG C of head temperatures, rate of feeding is 150 revs/min, screw speed is 350 revs/min.
Embodiment 4
POE toughening modifyings polypropylene 30%, triethylene glycol 20%, alkali-free long glass fibres 15%, aluminium titanium composite coupler 8%, SEBS
15%th, maleic anhydride grafting EPDM 10%, antioxidant 2%.
Above-mentioned high-impact RPP, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, and modified polypropene, polyfunctional group chain extender, SEBS are added into batch mixing
In machine, 30min is stirred, is well mixed；
（2）By rest materials and step（1）In the material that mixes add together in batch mixer, stir 60min, be well mixed；
（3）By step（2）In the material that mixes put into extruder, processed extrusion, tie rod, pelletizing；Processing technology is such as
Under：Area's temperature of double screw extruder is set as 200 DEG C, two area's temperature are 210 DEG C, three area's temperature are 220 DEG C, four area's temperature
It it is 180 DEG C for 200 DEG C of head temperatures, rate of feeding is 250 revs/min, screw speed is 500 revs/min.
Embodiment 5
POE toughening modifyings polypropylene 30%, trimethylolpropane 20%, alkali-free long glass fibres 14%, aluminium titanium composite coupler
10%th, SEBS 20%, maleic anhydride grafting EPDM 5%, antioxidant 1%.
Above-mentioned high-impact RPP, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, and modified polypropene, polyfunctional group chain extender, SEBS are added into batch mixing
In machine, 30min is stirred, is well mixed；
（2）By rest materials and step（1）In the material that mixes add together in batch mixer, stir 45min, be well mixed；
（3）By step（2）In the material that mixes put into extruder, processed extrusion, tie rod, pelletizing；Processing technology is such as
Under：Area's temperature of double screw extruder is set as 180 DEG C, two area's temperature are 210 DEG C, three area's temperature are 240 DEG C, four area's temperature
It it is 160 DEG C for 190 DEG C of head temperatures, rate of feeding is 100 revs/min, screw speed is 400 revs/min.
Comparative example 1
As different from Example 1, in comparative example 1, modifying process is not added with trimethylolpropane, and other conditions are constant.
Comparative example 2
As different from Example 1, in comparative example 1, modifying process is not added with aluminium titanium composite coupler, and other conditions are constant.
Comparative example 3
As different from Example 1, in comparative example 1, modifying process is not added with SEBS, and other conditions are constant.
Comparative example 4
As different from Example 1, in comparative example 1, modifying process is not added with maleic anhydride-g-SBS, and other conditions are constant.
Performance test
Test result is shown in Table 1：
Table 1
From table 1 it follows that comparative example 1-5 and comparative example 1-4, embodiment 1-5 tensile strength and impact strength
It is significantly improved.Illustrate from data above, the polystyrene for preparing of the present invention has good mechanical strength and shock resistance strong
Degree.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent and improvement made within refreshing and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of high-impact RPP, it is characterised in that：Basic recipe and weight ratio composition are：
Modified polypropene 30 ~ 40%
Polyfunctional group chain extender 10 ~ 20%
Reinforcing fiber 8 ~ 15%
Coupling agent 5 ~ 10%
Styrene block copolymer 15 ~ 25%
Maleic anhydride graft copolymer 5 ~ 10%
Antioxidant 0.2 ~ 2%.
2. high-impact RPP according to claim 1, it is characterised in that：The modified polypropene is POE toughness reinforcings
Modified polypropene.
3. high-impact RPP according to claim 1, it is characterised in that：The function of the polyfunctional group chain extender
Group's number is three or more than three.
4. high-impact RPP according to claim 1, it is characterised in that：The polyfunctional group chain extender is three hydroxyls
At least one in methylpropane, triethylene glycol.
5. high-impact RPP according to claim 1, it is characterised in that：The reinforcing fiber is the long glass of alkali-free
Fiber, length is 0.1-1mm.
6. high-impact RPP according to claim 1, it is characterised in that：The coupling agent is the compound coupling of aluminium titanium
Agent.
7. high-impact RPP according to claim 1, it is characterised in that：The styrene block copolymer is hydrogen
Change saturation thermoplastic styrene-butadiene block copolymer（SEBS）.
8. high-impact RPP according to claim 1, it is characterised in that：The maleic anhydride graft copolymer is
At least one in maleic anhydride-g-SBS, maleic anhydride grafting EPDM.
9. high-impact RPP according to claim 1, it is characterised in that：The maleic anhydride graft copolymer
Grafting rate is 15-20%.
10. the preparation method of high-impact RPP according to claim 1, it is characterized in that the processing step prepared is such as
Under：
（1）The raw material in formula is weighed by weight ratio, and modified polypropene, polyfunctional group chain extender, SEBS are added into batch mixing
In machine, 30 ~ 50min is stirred, is well mixed；
（2）By rest materials and step（1）In the material that mixes add together in batch mixer, stir 40 ~ 60min, mixing is equal
It is even；
（3）By step（2）In the material that mixes put into extruder, processed extrusion, tie rod, pelletizing；Processing technology is such as
Under：Area's temperature of double screw extruder is set as 180 ~ 200 DEG C, two area's temperature be 200 ~ 220 DEG C, three area's temperature be 220 ~
240 DEG C, four area's temperature are that 210 ~ 190 DEG C of head temperatures are 160 ~ 180 DEG C, and rate of feeding is 30 ~ 250 revs/min, screw speed
For 100 ~ 600 revs/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710233699.XA CN106957484A (en) | 2017-04-11 | 2017-04-11 | A kind of high-impact RPP and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710233699.XA CN106957484A (en) | 2017-04-11 | 2017-04-11 | A kind of high-impact RPP and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106957484A true CN106957484A (en) | 2017-07-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553851A (en) * | 2018-10-31 | 2019-04-02 | 荆州市天亿工贸有限公司 | A kind of bumper modified polypropene and preparation method thereof |
| CN109867869A (en) * | 2019-01-29 | 2019-06-11 | 上海聚宏实业发展有限公司 | A kind of high rigidity, improved polyalkene new material of high-impact and preparation method thereof |
| CN112409684A (en) * | 2020-11-03 | 2021-02-26 | 临沂利方塑胶制品有限公司 | Processing method of high-strength toy plastic |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070843A (en) * | 2011-01-17 | 2011-05-25 | 金发科技股份有限公司 | High-impact-resistance less-fiber-floating long glass fiber reinforced polypropylene material |
| CN104830043A (en) * | 2015-05-25 | 2015-08-12 | 上海跃贝塑化科技有限公司 | Antistatic PC/ASA (polycarbonate/acrylonitrile styrene acrylate copolymer) alloy plastic for automotive interior trim parts and method for manufacturing antistatic PC/ASA alloy plastic |
| CN105670125A (en) * | 2016-04-01 | 2016-06-15 | 星威国际家居有限公司 | High-smoothness long-glass-fiber flame-retardant toughened polypropylene blend material and preparation method thereof |
-
2017
- 2017-04-11 CN CN201710233699.XA patent/CN106957484A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070843A (en) * | 2011-01-17 | 2011-05-25 | 金发科技股份有限公司 | High-impact-resistance less-fiber-floating long glass fiber reinforced polypropylene material |
| CN104830043A (en) * | 2015-05-25 | 2015-08-12 | 上海跃贝塑化科技有限公司 | Antistatic PC/ASA (polycarbonate/acrylonitrile styrene acrylate copolymer) alloy plastic for automotive interior trim parts and method for manufacturing antistatic PC/ASA alloy plastic |
| CN105670125A (en) * | 2016-04-01 | 2016-06-15 | 星威国际家居有限公司 | High-smoothness long-glass-fiber flame-retardant toughened polypropylene blend material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553851A (en) * | 2018-10-31 | 2019-04-02 | 荆州市天亿工贸有限公司 | A kind of bumper modified polypropene and preparation method thereof |
| CN109867869A (en) * | 2019-01-29 | 2019-06-11 | 上海聚宏实业发展有限公司 | A kind of high rigidity, improved polyalkene new material of high-impact and preparation method thereof |
| CN112409684A (en) * | 2020-11-03 | 2021-02-26 | 临沂利方塑胶制品有限公司 | Processing method of high-strength toy plastic |
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Application publication date: 20170718 |