CN105670126B - High-strength light-weight thin-walled injection moulding polypropene composition - Google Patents
High-strength light-weight thin-walled injection moulding polypropene composition Download PDFInfo
- Publication number
- CN105670126B CN105670126B CN201610239000.6A CN201610239000A CN105670126B CN 105670126 B CN105670126 B CN 105670126B CN 201610239000 A CN201610239000 A CN 201610239000A CN 105670126 B CN105670126 B CN 105670126B
- Authority
- CN
- China
- Prior art keywords
- parts
- weight
- polypropene composition
- acrylic resin
- injection moulding
- 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.)
- Active
Links
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
-
- 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
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
-
- 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
-
- 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
- C08L2205/24—Crystallisation aids
Abstract
The invention discloses a kind of High-strength light-weight thin-walled injection moulding polypropene composition, fraction meter by weight, including 100 parts of acrylic resin, 20 30 parts of alpha olefin oligomer, 1 10 parts of nucleator, 15 parts of compatilizer, 10 parts of POE1 of maleic anhydride grafting, the alpha olefin oligomer is the oligomer that number-average molecular weight is less than 10000, and the acrylic resin is the acrylic resin with C6 C8 LCB structures.Small, the light weight using injection component density made from the polypropene composition of the present invention, and it is molded the excellent in mechanical performance of part, auto industry can be widely used in, moreover, it is good to be molded the surface quality of part, the cosmetic issue such as no current mark, tiger fur line or shrink mark.
Description
Technical field
The present invention relates to a kind of polypropene composition, and in particular to a kind of High-strength light-weight thin-walled injection moulding polypropylene group
Compound, belong to technical field of polymer materials.
Background technology
At present, the development of auto industry is faced from many challenges such as the energy, environment, for light-weighted demand
It is extremely urgent.Vehicle weight often declines 100kg, and oil consumption can reduce 0.3-0.6L/100km, CO2Discharge reduces 5-8g/km, uses
Thin wall component is to realize lightweight target rapidly and effectively one of means.Mahishi and Maloney are defined as thin-walled injection moulding
Flow long thickness ratio L/T（L：Length, length of flow；T：Thickness, plastic thickness；L/T also referred to as flows long ratio）100
Or more than 150 be molded into thin-walled injection moulding.In auto industry field, pass through mold design, technique adjustment and thin-walled material
Cooperation, decline the thickness of original injection part, in holding member rigidity and while tough sexual satisfaction requirement, reach and subtract
The purpose of weight.
However, in thin-walled injection moulding, the decline of wall thickness can cause the rigid degradation of part processed, it is impossible to meet actual answer
With.
The content of the invention
The technical problem to be solved in the present invention is the defects of overcoming prior art, there is provided a kind of High-strength light-weight thin-walled note
Modeling polypropene composition, the moulding light weight as made from said composition, intensity are high.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of High-strength light-weight thin-walled injection moulding polypropene composition, by weight fraction meter, including acrylic resin 100
Part, alpha-olefin low polymers 20-30 parts, nucleator 1-10 parts, compatilizer 1-5 parts, maleic anhydride grafting POE1-10 parts, the α-
Olefin oligomer is the oligomer that number-average molecular weight is less than 10000, and the acrylic resin is with C6-C8 LCB structures
Acrylic resin.
Preferably, the alpha-olefin low polymers are propylene oligomer or the dilute oligomer of 1- fourths.
Preferably, the one kind or several of the nucleator in calcium carbonate, nano imvite, talcum powder and silica etc.
The mixture of kind
Preferably, the acrylic resin has the following properties that：Molecular weight distribution mw/mn by GPC measure is 5.0
To 15.0, Mz/Mw 3.5-10.0；Branched finger of the acrylic resin under 1,000,000 absolute molecular weight Mabs
Number g' is 0.8-2.0.
Preferably, the compatilizer is selected from grafting maleic anhydride with ethylene propylene terpolymer or ethylene propylene diene rubber grafting methyl-prop
Olefin(e) acid ethylene oxidic ester.
Preferably, the solution flow rate of the acrylic resin is more than 35 grams/10 minutes, melt flow rate (MFR) measurement
It is to be carried out according to ASTM D-1238,230 DEG C/2.16 kilograms kg weight of condition.
Preferably, the polypropene composition obtained through injection molding the thick parts of injected sample 2.0mm have it is following
Property：
According to the testing standards of ISO 180,23 DEG C of notch impact strengths are more than 30kJ/m2, according to the testing standards of ISO 180 ,-
30 DEG C of notch impact strengths are more than 5 kJ/m2, according to the testing standards of ISO 527, tensile strength is more than 20Mpa.
The beneficial effect that the present invention is reached：
Small, the light weight using injection component density made from the polypropene composition of the present invention, and it is molded the mechanics of part
Excellent performance, auto industry can be widely used in, moreover, it is good to be molded the surface quality of part, no current mark, tiger fur line or
The cosmetic issues such as shrink mark.
Embodiment
With reference to specific embodiment, the invention will be further described.Following examples are only used for clearly illustrating
Technical scheme, and can not be limited the scope of the invention with this.
Moulding can be prepared by Shooting Technique well known in the art in embodiment.Acrylic resin tool used below
There is following property：It is 5.0 to 15.0, Mz/Mw 3.5-10.0 by the GPC molecular weight distribution mw/mns determined；It is described poly-
Branch index g' of the allyl resin under 1,000,000 absolute molecular weight Mabs is 0.8-2.0.
Embodiment 1
First, fraction weighs 100 parts of acrylic resin, 20 parts of the dilute oligomer of 1- fourths, nano imvite nucleator 1 by weight
Part, 1 part of ethylene propylene diene rubber graft glycidyl methacrylate compatilizer, maleic anhydride 1 part of POE of grafting, 1- fourths are dilute low
Polymers number-average molecular weight is less than 10000, and the acrylic resin is the acrylic resin with C6-C8 LCB structures.
The solution flow rate of acrylic resin is 45 grams/10 minutes, and melt flow rate (MFR) measurement is according to ASTM D-
1238,230 DEG C/2.16 kilograms kg weight of condition are carried out.
Secondly, by above-mentioned composition injection molding, moulding is obtained, and test moulding performance：
According to the testing standards of ISO 180,23 DEG C of notch impact strengths are 31kJ/m2, according to the testing standards of ISO 180, -30
DEG C notch impact strength is 6 kJ/m2, according to the testing standards of ISO 527, tensile strength 21Mpa.Moulding density is
0.764, density measurement condition is 23.8 DEG C, humidity 58%RH of temperature, and moulding surfacing is smooth.
Embodiment 2
First, fraction weighs 100 parts of acrylic resin, 25 parts of alpha-olefin low polymers, 3 parts of nucleator, compatilizer 2 by weight
Part, maleic anhydride grafting 8 parts of POE, the alpha-olefin low polymers be number-average molecular weight be less than 10000 oligomer, described poly- third
Olefine resin is the acrylic resin with C6-C8 LCB structures.The solution flow rate of acrylic resin is 75 grams/10
Minute, melt flow rate (MFR) measurement is carried out according to ASTM D-1238,230 DEG C/2.16 kilograms kg weight of condition.
Secondly, by above-mentioned composition injection molding, moulding is obtained, and test moulding performance：
According to the testing standards of ISO 180,23 DEG C of notch impact strengths are 40kJ/m2, according to the testing standards of ISO 180, -30
DEG C notch impact strength is 8kJ/m2, according to the testing standards of ISO 527, tensile strength 29Mpa.Moulding density is 0.704,
Density measurement condition is 23.8 DEG C, humidity 58%RH of temperature, and moulding surfacing is smooth.
Embodiment 3
First, fraction weighs 100 parts of acrylic resin, 30 parts of alpha-olefin low polymers, 8 parts of nucleator, compatilizer 4 by weight
Part, maleic anhydride grafting 5 parts of POE, the alpha-olefin low polymers be number-average molecular weight be less than 10000 oligomer, described poly- third
Olefine resin is the acrylic resin with C6-C8 LCB structures.The solution flow rate of acrylic resin is 55 grams/10
Minute, melt flow rate (MFR) measurement is carried out according to ASTM D-1238,230 DEG C/2.16 kilograms kg weight of condition.
Secondly, by above-mentioned composition injection molding, moulding is obtained, and test moulding performance：
According to the testing standards of ISO 180,23 DEG C of notch impact strengths are 36kJ/m2, according to the testing standards of ISO 180, -30
DEG C notch impact strength is 6kJ/m2, according to the testing standards of ISO 527, tensile strength 26Mpa.Moulding density is 0.604,
Density measurement condition is 23.8 DEG C, humidity 58%RH of temperature, and moulding surfacing is smooth.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (6)
- A kind of 1. High-strength light-weight thin-walled injection moulding polypropene composition, it is characterised in that fraction meter by weight, including poly- third 100 parts of olefine resin, alpha-olefin low polymers 20-30 parts, nucleator 1-10 parts, ethylene propylene diene rubber grafted methacrylic acid shrink sweet Grease 1-5 parts, maleic anhydride grafting POE1-10 parts, the alpha-olefin low polymers are that number-average molecular weight is oligomeric less than 10000 Thing, the acrylic resin are the acrylic resin with C6-C8 LCB structures.
- A kind of 2. High-strength light-weight thin-walled injection moulding polypropene composition according to claim 1, it is characterised in that institute It is propylene oligomer or 1- butene low polymers to state alpha-olefin low polymers.
- 3. a kind of High-strength light-weight thin-walled injection moulding polypropene composition according to claim 1 or 2, its feature exist In one or more of mixtures of the nucleator in calcium carbonate, nano imvite, talcum powder and silica.
- A kind of 4. High-strength light-weight thin-walled injection moulding polypropene composition according to claim 1, it is characterised in that institute Acrylic resin is stated to have the following properties that：Molecular weight distribution mw/mn by GPC measure is 5 .0 to 15 .0, Mz/Mw For 3 .5-10 .0；Branch index g ' of the acrylic resin under 1,000,000 absolute molecular weight Mabs is 0 .8-2.0。
- A kind of 5. High-strength light-weight thin-walled injection moulding polypropene composition according to claim 1, it is characterised in that institute State acrylic resin solution flow rate be more than 35 grams/10 minutes, melt flow rate (MFR) measurement be according to ASTM D-1238, 230 DEG C/2.16 kilograms weight of condition are carried out.
- A kind of 6. High-strength light-weight thin-walled injection moulding polypropene composition according to claim 5, it is characterised in that institute State polypropene composition the thick parts of injected sample 2.0mm are obtained through injection molding and have the following properties that：According to the testing standards of ISO 180,23 DEG C of notch impact strengths are more than 30kJ/m2, according to the testing standards of ISO 180, -30 DEG C Notch impact strength is more than 5 kJ/m2, according to the testing standards of ISO 527, tensile strength is more than 20MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239000.6A CN105670126B (en) | 2016-04-18 | 2016-04-18 | High-strength light-weight thin-walled injection moulding polypropene composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239000.6A CN105670126B (en) | 2016-04-18 | 2016-04-18 | High-strength light-weight thin-walled injection moulding polypropene composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105670126A CN105670126A (en) | 2016-06-15 |
| CN105670126B true CN105670126B (en) | 2018-03-20 |
Family
ID=56309189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610239000.6A Active CN105670126B (en) | 2016-04-18 | 2016-04-18 | High-strength light-weight thin-walled injection moulding polypropene composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105670126B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881136B (en) * | 2021-09-18 | 2023-07-11 | 江苏金发科技新材料有限公司 | High-pressure-resistance stress-whitening-resistance polypropylene composition and preparation method and application thereof |
| CN113999344A (en) * | 2021-10-26 | 2022-02-01 | 中国石油化工股份有限公司 | Metallocene catalyzed alpha-olefin polymer grafted polypropylene and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100656829B1 (en) * | 2000-06-03 | 2006-12-15 | 삼성토탈 주식회사 | High-crystalline polypropylene resin composition having excellent melting flowability, stiffness and low temperature impact strength |
| KR100666795B1 (en) * | 2005-12-02 | 2007-01-09 | 현대자동차주식회사 | A polypropylene resin composition for one step injection-foam molding process |
| US9290646B2 (en) * | 2013-10-04 | 2016-03-22 | Equistar Chemicals, Lp | Molded articles (including automobile parts) and related filled thermoplastic polyolefin compositions |
| CN105175881B (en) * | 2015-06-30 | 2018-07-06 | 苏州润佳工程塑料股份有限公司 | A kind of thin-walled injection moulding high fluidity reinforced polypropylene resin |
-
2016
- 2016-04-18 CN CN201610239000.6A patent/CN105670126B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105670126A (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101665737B1 (en) | Molding material, and resin-adhered reinforced fiber bundle | |
| CN102391583B (en) | Low-temperature-resistance polypropylene composition and preparation method thereof | |
| CN101870811A (en) | Cold-resistance super tough nylon polyolefin alloy and preparation method thereof | |
| CN106752633B (en) | A kind of easy spray coating polypropylene composite material and preparation method and application | |
| EP3017003A1 (en) | Polypropylene compositions containing glass fiber fillers | |
| CN102532868A (en) | Polyamide composite material, and preparation method and application thereof | |
| CN108047552A (en) | For the blowing glass fiber reinforced polypropylene composite material and preparation method of automobile pipeline | |
| CN104802482A (en) | Three-layer co-extruded PP (polypropylene)/PE (polyethylene)/PP upward-blown film and preparation method thereof | |
| CN105670126B (en) | High-strength light-weight thin-walled injection moulding polypropene composition | |
| EP1236771B1 (en) | Long fiber-reinforced polypropylene resin composition | |
| CN109206752A (en) | A kind of PP composite material and the preparation method and application thereof | |
| US11634361B2 (en) | Polymer fibers for reinforcement of cement-based composites | |
| JP2016525586A5 (en) | ||
| CN105924753A (en) | Plastic alloy composition | |
| CN103467844A (en) | Polypropylene composite material, as well as preparation method and application thereof | |
| KR100240981B1 (en) | Resin compositions having improved scratch resistance and impact strength | |
| CN112063056B (en) | Glass fiber reinforced polypropylene composite material with good appearance and preparation method thereof | |
| CN109776952A (en) | A kind of glass fiber reinforced polypropylene/nylon 6 alloy material and preparation method thereof | |
| KR20190073122A (en) | Polypropylene complex resin composition having excellent scratch-resistance and mechanical properties | |
| US11718012B2 (en) | Polyamide moulding composition for extrusion blow moulding | |
| KR20190064875A (en) | Glass fiber reinforced polypropylene resin composition, method for preparing the resin composition and molded article comprising the same | |
| CN107337841A (en) | Polyacrylic composition with excellent sense of touch and dimensional stability | |
| JP2020114913A5 (en) | ||
| US6765052B2 (en) | Olefin type thermoplastic elastomer | |
| CN108530754A (en) | A kind of polypropylene plastics and preparation method for bumper thin-walled injection moulding part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |