CN106366450A - Processing technology for polypropylene reinforcing and toughening composite material - Google Patents
Processing technology for polypropylene reinforcing and toughening composite material Download PDFInfo
- Publication number
- CN106366450A CN106366450A CN201610874381.5A CN201610874381A CN106366450A CN 106366450 A CN106366450 A CN 106366450A CN 201610874381 A CN201610874381 A CN 201610874381A CN 106366450 A CN106366450 A CN 106366450A
- Authority
- CN
- China
- Prior art keywords
- polypropylene
- processing technique
- dried
- calcium carbonate
- polypropylene reinforced
- 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
-
- 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
- C08K2201/011—Nanostructured additives
Abstract
The invention relates to a processing technology for a polypropylene reinforcing and toughening composite material. The processing technology includes the steps that polypropylene, glass fibers, organic montmorillonite and nanometer calcium carbonate are dried; then a flexibilizer is added, and the mixture is stirred and mixed; the mixture is subjected to melting extrusion prilling on a twin-screw extrusion machine; a material after prilling is dried; finally, the dried material is subjected to injection molding, and the reinforcing and toughening composite material is obtained. According to the processing technology, polypropylene is modified through the polypropylene, the glass fibers, the organic montmorillonite and the nanometer calcium carbonate, the prepared material can be reinforced and toughened through the glass fibers and the flexibilizer, and the strength of the material can be further improved through the nanometer calcium carbonate and the organic montmorillonite; the strength of the composite material prepared with the method is greatly improved, and the application range is wide.
Description
Technical field
The present invention relates to polymeric material field, the processing technique of specifically polypropylene reinforced plasticized composite.
Background technology
With developing rapidly of 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 it in composite little yardstick microstructure, have unrivaled advantage as reinforcing material, at present
Become the study hotspot in this field.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 leads to is not assisted
Adjust, and on the premise of not increasing composite weight and thickness, make adjacent two-layer have higher adhesion.Existing skill
Adopt the activeness and quietness ability of composite of polypropylene preparation in art not, affect its range.
Content of the invention
For above-mentioned technical problem, the present invention provides a kind of polypropylene reinforced plasticized composite improving the strength of materials
Processing technique.
The technical solution used in the present invention is: the processing technique of polypropylene reinforced plasticized composite, and it includes following step
Rapid:
(1) polypropylene, glass fibre, organo montmorillonite and nano-calcium carbonate are dried；
(2) it is subsequently adding toughener to be stirred mixing；
(3) again mixture is melt extruded on the twin screw extruder pelletize；
(4) then the material after pelletize is dried；
(5) finally by the material injection molding after drying, obtain activeness and quietness composite.
Preferably, the mass content of said components is: 120-150 part polypropylene, 50-60 part glass fibre, 10-15 part
Nano-calcium carbonate, 2-4 part organo montmorillonite, 10-20 part toughener.
Preferably, described toughener is ethylene-acrylate.
Preferably, described baking temperature is 100-120 DEG C, drying time is 4-6h.
Preferably, extrusion temperature is 200-250 DEG C, screw speed is 120-150r/min.
Preferably, the vacuum drying oven dried at 80 DEG C is carried out.
Preferably, injection mo(u)lding temperature is 150-180 DEG C.
As can be known from the above technical solutions, the present invention passes through polypropylene, glass fibre, organo montmorillonite and nano-calcium carbonate pair
Polypropylene is modified, and wherein glass fibre and toughener can carry out activeness and quietness to the material of preparation, and organo montmorillonite and
Nano-calcium carbonate can further improve the intensity of material, and the composite material strength of therefore present invention preparation greatly improves, and applies model
Enclose wider.
Specific embodiment
The present invention is described more detail below, the illustrative examples of the here present invention and explanation are used for explaining the present invention,
But it is not as a limitation of the invention.
The processing technique of polypropylene reinforced plasticized composite, it comprises the following steps:
Take off by mass content 120-150 part polypropylene, 50-60 part glass fibre, 10-15 part nano-calcium carbonate, the organic illiteracy of 2-4 part
Polypropylene, glass fibre, machine montmorillonite and nano-calcium carbonate are first dried by soil, 10-20 part toughener dispensing, and baking temperature is
100-120 DEG C, drying time is 4-6h, can improve extrusion efficiency；It is subsequently adding toughener to be stirred mixing, can improve toughness reinforcing
So that mixture mixes evenly, toughener can adopt ethylene-acrylate etc. to the activity of agent；Again by mixture in double spiral shells
Pelletize is melt extruded on bar extruder；Extrusion temperature is 200-250 DEG C, and screw speed is 120-150r/min, then by pelletize
Material afterwards is dried in 80 DEG C of vacuum drying oven；Finally by the material injection molding after drying, injection mo(u)lding temperature is
150-180 DEG C, obtain activeness and quietness composite.
Embodiment 1
By 120 parts of polypropylene of mass content, 50 parts of glass fibre, 15 parts of nano-calcium carbonates, 2 parts of organo montmorillonites, 20 parts toughness reinforcing
Polypropylene, glass fibre, organo montmorillonite and nano-calcium carbonate are first dried 4h at 100 DEG C, are subsequently adding ethylene by agent dispensing
The stirring mixing of-acrylate, then mixture is melt extruded on the twin screw extruder pelletize, extrusion temperature is 200 DEG C, spiral shell
Bar rotating speed is 120r/min, is then dried the material after pelletize in 80 DEG C of vacuum drying oven, finally by the material after drying
Material injection mo(u)lding at 150 DEG C, obtains activeness and quietness composite.The tensile strength recording this material is 72.8mpa, and bending is strong
Spend for 74.6mpa, notch impact strength is 46.3j/m2.
Embodiment 2
By 140 parts of polypropylene of mass content, 55 parts of glass fibre, 13 parts of nano-calcium carbonates, 3 parts of organo montmorillonites, 15 parts toughness reinforcing
Polypropylene, glass fibre, organo montmorillonite and nano-calcium carbonate are first dried 5h at 110 DEG C, are subsequently adding ethylene by agent dispensing
The stirring mixing of-acrylate, then mixture is melt extruded on the twin screw extruder pelletize, extrusion temperature is 230 DEG C, spiral shell
Bar rotating speed is 140r/min, is then dried the material after pelletize in 80 DEG C of vacuum drying oven, finally by the material after drying
Material injection mo(u)lding at 160 DEG C, obtains activeness and quietness composite.The tensile strength recording this material is 85.1mpa, and bending is strong
Spend for 85.6mpa, notch impact strength is 49.9j/m2.
Embodiment 3
By 150 parts of polypropylene of mass content, 60 parts of glass fibre, 10 parts of nano-calcium carbonates, 4 parts of organo montmorillonites, 10 parts toughness reinforcing
Polypropylene, glass fibre, organo montmorillonite and nano-calcium carbonate are first dried 6h at 120 DEG C, are subsequently adding ethylene by agent dispensing
The stirring mixing of-acrylate, then mixture is melt extruded on the twin screw extruder pelletize, extrusion temperature is 250 DEG C, spiral shell
Bar rotating speed is 150r/min, is then dried the material after pelletize in 80 DEG C of vacuum drying oven, finally by the material after drying
Material injection mo(u)lding at 180 DEG C, obtains activeness and quietness composite.The tensile strength recording this material is 80.1mpa, and bending is strong
Spend for 81.2mpa, notch impact strength is 47.5j/m2.
The technical scheme 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 understand 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 limitation of the present invention.
Claims (7)
1. the processing technique of polypropylene reinforced plasticized composite, it comprises the following steps:
(1) polypropylene, glass fibre, organo montmorillonite and nano-calcium carbonate are dried；
(2) it is subsequently adding toughener to be stirred mixing；
(3) again mixture is melt extruded on the twin screw extruder pelletize；
(4) then the material after pelletize is dried；
(5) finally by the material injection molding after drying, obtain activeness and quietness composite.
2. according to claim 1 polypropylene reinforced plasticized composite processing technique it is characterised in that: said components
Mass content is: 120-150 part polypropylene, 50-60 part glass fibre, 10-15 part nano-calcium carbonate, 2-4 part organo montmorillonite,
10-20 part toughener.
3. as claimed in claim 1 polypropylene reinforced plasticized composite processing technique it is characterised in that: described toughener is
Ethylene-acrylate.
4. as claimed in claim 1 polypropylene reinforced plasticized composite processing technique it is characterised in that: described baking temperature
For 100-120 DEG C, drying time is 4-6h.
5. as claimed in claim 1 polypropylene reinforced plasticized composite processing technique it is characterised in that: extrusion temperature is
200-250 DEG C, screw speed is 120-150r/min.
6. as claimed in claim 1 polypropylene reinforced plasticized composite processing technique it is characterised in that: dry at 80 DEG C
Vacuum drying oven is carried out.
7. as claimed in claim 1 polypropylene reinforced plasticized composite processing technique it is characterised in that: injection mo(u)lding temperature
For 150-180 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874381.5A CN106366450A (en) | 2016-10-08 | 2016-10-08 | Processing technology for polypropylene reinforcing and toughening composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874381.5A CN106366450A (en) | 2016-10-08 | 2016-10-08 | Processing technology for polypropylene reinforcing and toughening composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106366450A true CN106366450A (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610874381.5A Pending CN106366450A (en) | 2016-10-08 | 2016-10-08 | Processing technology for polypropylene reinforcing and toughening composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111621095A (en) * | 2020-06-30 | 2020-09-04 | 佛山市康美欣塑料制品有限公司 | Edge sealing adhesive tape and manufacturing process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966564A (en) * | 2005-11-15 | 2007-05-23 | 哈尔滨鑫达高分子材料股份有限公司 | Reinforced toughening anti-aging polypropylene/nano calcium carbonate composite material and its preparation method |
| 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 |
| CN105602117A (en) * | 2016-04-08 | 2016-05-25 | 张哲夫 | PP (polypropylene) nano plastic and preparation method thereof |
-
2016
- 2016-10-08 CN CN201610874381.5A patent/CN106366450A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966564A (en) * | 2005-11-15 | 2007-05-23 | 哈尔滨鑫达高分子材料股份有限公司 | Reinforced toughening anti-aging polypropylene/nano calcium carbonate composite material and its preparation method |
| 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 |
| CN105602117A (en) * | 2016-04-08 | 2016-05-25 | 张哲夫 | PP (polypropylene) nano plastic and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111621095A (en) * | 2020-06-30 | 2020-09-04 | 佛山市康美欣塑料制品有限公司 | Edge sealing adhesive tape and manufacturing process thereof |
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Application publication date: 20170201 |