CN106432915A - Processing technology of reinforced and toughened polypropylene material - Google Patents
Processing technology of reinforced and toughened polypropylene material Download PDFInfo
- Publication number
- CN106432915A CN106432915A CN201610874316.2A CN201610874316A CN106432915A CN 106432915 A CN106432915 A CN 106432915A CN 201610874316 A CN201610874316 A CN 201610874316A CN 106432915 A CN106432915 A CN 106432915A
- Authority
- CN
- China
- Prior art keywords
- activeness
- polypropylene
- quietness
- processing technique
- polypropylene material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- 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
-
- 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
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0005—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fibre reinforcements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a processing technology of a reinforced and toughened polypropylene material. The processing technology comprises the steps that first, polypropylene, glass fibers and organic montmorillonite are dried; second, a toughening agent is added, and stirring and mixing are carried out; third, the mixture is subjected to melt extrusion and granulation on a twin-screw extrusion; fourth, the material obtained after granulation is dried; last, the material obtained after drying is subjected to injection molding to obtain the reinforced and toughened composite material. Through the polypropylene and the glass fibers and modification of the polypropylene, the glass fibers and the toughening agent can reinforce and toughen the prepared material, the strength of the material can be further improved, therefore, the strength of the prepared composite material is greatly improved, and the application range is wide.
Description
Technical field
The present invention relates to polymeric material field, the specifically processing technique of activeness and quietness polypropylene material.
Background technology
With developing rapidly for nano material in recent ten years and nanotechnology, various polymer, inorganic and composite Nano
Fibre structure material occurs in succession.Compared with traditional fibrous material, the diameter of nanofiber is superfine, and specific surface area is very big, this
A little characteristics determine which, in the little yardstick microstructure of composite, has unrivaled advantage as reinforcing material, at present
The study hotspot in the field is become.At present, the interlayer of micrometer fibers enhancing composite can introduce single or multiple lift nanometer
Two grades of enhancing structures of fiber composition, now the Main Function of nanofiber is that the interlayer performance that minimizing stress concentration causes is not assisted
Adjust, and on the premise of composite weight and thickness is not increased, make adjacent two-layer have higher adhesion.Existing skill
The activeness and quietness ability of the composite for being prepared using polypropylene in art is inadequate, affects its range.
Content of the invention
For above-mentioned technical problem, the present invention provides a kind of adding for activeness and quietness polypropylene material for improving the strength of materials
Work technique.
The technical solution used in the present invention is：The processing technique of activeness and quietness polypropylene material, which comprises the following steps：
（1）Polypropylene, glass fibre and organo montmorillonite are dry；
（2）It is subsequently adding toughener and is stirred mixing；
（3）Mixture is melt extruded pelletize again on the twin screw extruder；
（4）Then the material after pelletize is dried；
（5）Finally by the material injection molding after drying, activeness and quietness composite is obtained.
Preferably, the mass content of said components is：120-150 part polypropylene, 50-60 part glass fibre, 5-10 part
Organo montmorillonite, 10-20 part toughener.
Preferably, described toughener is ethylene-acrylate.
Preferably, the baking temperature is to be 100-120 DEG C, drying time 4-6h.
Preferably, it is 120-150r/min that extrusion temperature is 200-250 DEG C, screw speed.
Preferably, dry carrying out in 80 DEG C of vacuum drying oven.
Preferably, injection mo(u)lding temperature is 150-180 DEG C.
As can be known from the above technical solutions, the present invention is carried out to polypropylene by polypropylene, glass fibre and organo montmorillonite
Modification, wherein glass fibre and toughener can carry out activeness and quietness to the material for preparing, and organo montmorillonite can further improve
The intensity of material, the composite material strength that therefore prepared by the present invention is greatly improved, and range of application is wider.
Specific embodiment
Be described more detail below the present invention, the illustrative examples of the here present invention and explanation for explaining the present invention,
But it is not as a limitation of the invention.
The processing technique of activeness and quietness polypropylene material, which comprises the following steps：
By mass content 120-150 part polypropylene, 50-60 part glass fibre, 5-10 part organo montmorillonite, 10-20 part toughener
Polypropylene, glass fibre and machine montmorillonite are first dry by dispensing, and it is 4-6h 100-120 DEG C, drying time that baking temperature is, can
Improve extrusion efficiency；It is subsequently adding toughener and mixing is stirred, the activity of toughener can be improved so that mixture mixing is more equal
Even, toughener can adopt ethylene-acrylate etc.；Mixture is melt extruded pelletize again on the twin screw extruder；Extrusion
Temperature is 200-250 DEG C, and screw speed is that 120-150r/min, then the vacuum drying oven by the material after pelletize at 80 DEG C is carried out
Dry；Finally by the material injection molding after drying, injection mo(u)lding temperature is 150-180 DEG C, to obtain activeness and quietness composite.
Embodiment 1
By 120 parts of polypropylene of mass content, 50 parts of glass fibre, 5 parts of organo montmorillonites, 20 parts of toughener dispensings, first by poly- third
Alkene, glass fibre and organo montmorillonite dry 4h at 100 DEG C, are subsequently adding ethylene-acrylate stirring mixing, then will be mixed
Compound melt extrudes pelletize on the twin screw extruder, and it is 120r/min that extrusion temperature is 200 DEG C, screw speed, will then make
Material after grain is dried in 80 DEG C of vacuum drying oven, finally by the injection mo(u)lding at 150 DEG C of the material after drying, is increased
Strong toughening composition.The tensile strength for measuring the material is 71.2MPa, and bending strength is that 72.3MPa, notch impact strength is
45.1J/m2.
Embodiment 2
By 140 parts of polypropylene of mass content, 55 parts of glass fibre, 8 parts of organo montmorillonites, 15 parts of toughener dispensings, first by poly- third
Alkene, glass fibre, organo montmorillonite dry 5h at 110 DEG C, are subsequently adding ethylene-acrylate stirring mixing, then will be mixed
Compound melt extrudes pelletize on the twin screw extruder, and it is 140r/min that extrusion temperature is 230 DEG C, screw speed, will then make
Material after grain is dried in 80 DEG C of vacuum drying oven, finally by the injection mo(u)lding at 160 DEG C of the material after drying, is increased
Strong toughening composition.The tensile strength for measuring the material is 84.3MPa, and bending strength is that 84.1MPa, notch impact strength is
48.9J/m2.
Embodiment 3
By 150 parts of polypropylene of mass content, 60 parts of glass fibre, 10 parts of organo montmorillonites, 10 parts of toughener dispensings, first by poly- third
Alkene, glass fibre, organo montmorillonite dry 6h at 120 DEG C, are subsequently adding ethylene-acrylate stirring mixing, then will be mixed
Compound melt extrudes pelletize on the twin screw extruder, and it is 150r/min that extrusion temperature is 250 DEG C, screw speed, will then make
Material after grain is dried in 80 DEG C of vacuum drying oven, finally by the injection mo(u)lding at 180 DEG C of the material after drying, is increased
Strong toughening composition.The tensile strength for measuring the material is 78.1MPa, and bending strength is that 80.3MPa, notch impact strength is
46.2J/m2.
The technical scheme for above embodiment of the present invention being provided is described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention is set forth, the explanation of above example is only applicable to help and understands this
The principle of inventive embodiments；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
All will change in formula and range of application, in sum, this specification content should not be construed as limiting the invention.
Claims (7)
1. the processing technique of activeness and quietness polypropylene material, which comprises the following steps：
（1）Polypropylene, glass fibre and organo montmorillonite are dry；
（2）It is subsequently adding toughener and is stirred mixing；
（3）Mixture is melt extruded pelletize again on the twin screw extruder；
（4）Then the material after pelletize is dried；
（5）Finally by the material injection molding after drying, activeness and quietness composite is obtained.
2. the processing technique of activeness and quietness polypropylene material according to claim 1, it is characterised in that：The quality of said components
Content is：120-150 part polypropylene, 50-60 part glass fibre, 5-10 part organo montmorillonite, 10-20 part toughener.
3. the processing technique of activeness and quietness polypropylene material as claimed in claim 1, it is characterised in that：The toughener is ethylene
- acrylate.
4. the processing technique of activeness and quietness polypropylene material as claimed in claim 1, it is characterised in that：The baking temperature is
100-120 DEG C, drying time is 4-6h.
5. the processing technique of activeness and quietness polypropylene material as claimed in claim 1, it is characterised in that：Extrusion temperature is 200-
250 DEG C, screw speed is 120-150r/min.
6. the processing technique of activeness and quietness polypropylene material as claimed in claim 1, it is characterised in that：Dry the vacuum at 80 DEG C
Baking oven is carried out.
7. the processing technique of activeness and quietness polypropylene material as claimed in claim 1, it is characterised in that：Injection mo(u)lding temperature is
150-180℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874316.2A CN106432915A (en) | 2016-10-08 | 2016-10-08 | Processing technology of reinforced and toughened polypropylene material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874316.2A CN106432915A (en) | 2016-10-08 | 2016-10-08 | Processing technology of reinforced and toughened polypropylene material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106432915A true CN106432915A (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610874316.2A Pending CN106432915A (en) | 2016-10-08 | 2016-10-08 | Processing technology of reinforced and toughened polypropylene material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106432915A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659503A (en) * | 2020-12-27 | 2021-04-16 | 太仓市洁益环卫设备有限公司 | Intelligent novel modified injection molding process for high-strength large garbage can |
| CN113388205A (en) * | 2020-03-13 | 2021-09-14 | 中国石油化工股份有限公司 | Polypropylene composition, polypropylene material, preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759923A (en) * | 2008-12-26 | 2010-06-30 | 上海杰事杰新材料股份有限公司 | Polypropylene composition for automobile bumper and preparation method thereof |
-
2016
- 2016-10-08 CN CN201610874316.2A patent/CN106432915A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759923A (en) * | 2008-12-26 | 2010-06-30 | 上海杰事杰新材料股份有限公司 | Polypropylene composition for automobile bumper and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388205A (en) * | 2020-03-13 | 2021-09-14 | 中国石油化工股份有限公司 | Polypropylene composition, polypropylene material, preparation method and application thereof |
| CN113388205B (en) * | 2020-03-13 | 2022-08-09 | 中国石油化工股份有限公司 | Polypropylene composition, polypropylene material, preparation method and application thereof |
| CN112659503A (en) * | 2020-12-27 | 2021-04-16 | 太仓市洁益环卫设备有限公司 | Intelligent novel modified injection molding process for high-strength large garbage can |
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| PB01 | Publication | ||
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Application publication date: 20170222 |