CN102140204A - Polypropylene composition and preparation method thereof - Google Patents
Polypropylene composition and preparation method thereof Download PDFInfo
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- CN102140204A CN102140204A CN2011101132095A CN201110113209A CN102140204A CN 102140204 A CN102140204 A CN 102140204A CN 2011101132095 A CN2011101132095 A CN 2011101132095A CN 201110113209 A CN201110113209 A CN 201110113209A CN 102140204 A CN102140204 A CN 102140204A
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Abstract
The invention relates to a polypropylene composition, which comprises the following components in percentage by weight: 37.9 to 91.85 percent of polypropylene, 2 to 15 percent of flexibilizer, 5 to 40 percent of rigid particles, 0.05 to 0.1 percent of peroxide crosslinking agent, 1 to 6 percent of crosslinking agent and 0.1 to 1 percent of monomer with multiple functional groups. The polypropylene composition is prepared by the following steps: weighing the polypropylene, flexibilizer, rigid particles, peroxide crosslinking agent, crosslinking agent, monomer with multiple functional groups according to a weight percentage ratio; and premixing in a high-speed mixer, delivering to a double-screw extruder, melting and granulating. The method has the advantages that: the micro crosslinking structure in which the flexibilizer covers the rigid particles is realized, and the flexibility and mechanical performance of the polypropylene material are improved; and 2, an island structure is formed under the shearing and dispersing action of double screws, the impact energy is absorbed effectively to improve the flexibility, a powerful interface enhancing effect improves mechanical strength, and thus, the high flexibility, strength and rigidity of the polypropylene composition are realized.
Description
Technical field
The present invention relates to a kind of polypropene composition, the invention still further relates to a kind of preparation method of polypropene composition.
Background technology
Polypropylene is large commodity polymer material, has good processing properties, mechanical property and chemical stability, thereby is widely used.But its shortcoming is that molding shrinkage is big, and especially the low temperature notched shock strength is low for notched Izod impact strength, and it is very limited on using.And along with the development of industries such as aerospace, automobile, household electrical appliances, building, packing, more and more higher to the requirement of material property, thereby need carry out modification to it.
Corresponding modification technology comprises modification by copolymerization, blending and modifying and nucleater modified etc.Modification by copolymerization wherein, main catalyzer and methods such as reaction conditions, introducing comonomer by the change polyreaction synthesize the acrylic resin of better performances, but its improvement effect are not good, and are needed very big input.The modification of nucleator technology normally changes polyacrylic crystal formation, as the introducing of β type nucleator, gives material higher over-all properties, but this method lifting amplitude is limited, and crystalline structure is unstable under heating condition simultaneously.And the relative effect of blending and modifying is obvious, physically modified technology by rigid particles enhancing, elastic body toughening can improve rigidity, heat-drawn wire or the toughness of material, but because composition system inner boundary complexity, there are filler and polypropylene, filler and elastomerics or elastomerics and polyacrylic complicated dispersed texture, cause tensile strength, the flexural strength of composition obviously to descend, surface hardness can not get improving.
Chinese patent 200710069061.3 discloses a kind of preparation method of polypropylene mixture alloy, its preparation component comprises polypropylene PP, toughner, expanding material, thermo-stabilizer, oxidation inhibitor, photostabilizer, linking agent, crosslinking coagent, its advantage is, can increase polyacrylic intensity and improve its ageing-resistant performance after introducing toughner, but it is only directly sneaked into toughner in the acrylic resin, can't guarantee its homogeneity, thereby reduce its toughening efficiency.
Chinese patent 200810207904.6 discloses a kind of low-luster polypropylene composite material, and its feed composition comprises: polypropylene PP, wollastonite, other mineral fillers, toughner POE, processing aid, oxidation inhibitor.Adding various fillers in the described polypropylene reduces the glossiness of material surface and improves its toughness, but its shortcoming is, fail to introduce multiple macromolecule polymeric material, its material surface fails to form a kind of firm compliant interface layer, though can further improve the interface bonding of system, but intensity, modulus and toughness can't balancedly improve, the complicated and difficult accurately control of manufacturing process.
Summary of the invention
The purpose of this invention is to provide a kind of polypropene composition, to improve its intensity, rigidity and toughness; Another object of the present invention provides a kind of manufacture method of polypropene composition.
Polypropene composition of the present invention comprises by weight percentage:
Polypropylene 37.9 ~ 91.85%
Toughner 2 ~ 15%
Rigid particles 5 ~ 40%
Peroxide cross-linking agent 0.05 ~ 0.1%
Crosslinking coagent 1 ~ 6%
Polyfunctional monomer 0.1 ~ 1%.
Toughner of the present invention, can be traditional rubber elastomer, comprise terpolymer EP rubber, ethylene-propylene rubber(EPR), ethylene-octene copolymer, vinylbenzene-butylene-styrene segmented copolymer, also can be new LDPE (film grade), its weight ratio consists of 2 ~ 15%, and preferred 4～10%.
Peroxide cross-linking agent of the present invention, comprise 1,1 '-bis(t-butylperoxy) diisopropyl benzene, dicumyl peroxide, 4,4 '-bis(t-butylperoxy) valeric acid n-butyl, 2,5-two (t-butylperoxy) 2,5-dimethyl ethane, its weight percent are 0.05 ~ 1%, preferred 0.1 ~ 0.8%.
Crosslinking coagent of the present invention comprises styrene monomer or dienite, the number-average molecular weight of wherein said dienite between 1400 ~ 5000, and 1,2-vinyl weight content is 60 ~ 90%.The weight percent of crosslinking coagent is 1 ~ 6%.
Polyfunctional monomer of the present invention, for containing multi-functional acrylate monomer, as Viscoat 295, diethylene glycol diacrylate, tripropylene glycol diacrylate.Its weight percent is 0.1 ~ 1%.
In addition, also can include polypropylene processing aid commonly used among the present invention, as oxidation inhibitor, lubricant, weather resisting agent, the consumption of the processing aid that these are commonly used is a conventional amount used, or suitably adjusts according to practical requirements.
A kind of preparation method of polypropene composition, its step comprises: take by weighing the component polypropylene in proportion, toughner, rigid particles, peroxide cross-linking agent, crosslinking coagent, polyfunctional monomer; And send into twin screw extruder after the pre-mixing of process high mixer, and melt pelletization.
By the shearing dissemination of engagement type twin screw in the same way, under heat and mechanical force, cause little crosslinking reaction of toughner, the active function groups of introducing can effectively increase the consistency to rigid particles, thereby forms encapsulated particle and be dispersed in the polypropylene matrix resin.Thereby reach strong and unyielding equilibrated high-performance polypropylene composition, the while preparation method has simple and reliable, the characteristics that environmental pollution is few.
Polypropene composition of the present invention and preparation method thereof, its advantage is:
1. by introducing peroxide cross-linking agent, crosslinking coagent, polyfunctional monomer, realize that toughner coats little crosslinking structure of rigid particles, structure is dispersed in the polypropylene this special " the hard core of moccasin ", but the toughness of Reinforced Polypropylene material and mechanical property;
2. the shearing dissemination by twin screw is dispersed into island structure, thereby both reached effective absorption impact energy and improved the flexible effect, strong interface reinforced effects can improve physical strength simultaneously, thereby realizes toughness, intensity and the rigidity of polypropene composition excellence.
Embodiment
The invention will be further described below in conjunction with specific embodiment, and its set of dispense also comprises the detection information of every physicals than as described in Table 1 in the table 1.
Embodiment one
Take by weighing component polypropylene, toughner, rigid particles, peroxide cross-linking agent, crosslinking coagent, polyfunctional monomer by weight percentage, and through sending into melt pelletization behind the twin screw extruder after the high mixer pre-mixing.
Embodiment two
Its set of dispense is than as described in Table 1, and all the other and embodiment one are described.
Embodiment three
Its set of dispense is than as described in Table 1, and all the other and embodiment one are described.
Embodiment four
Its set of dispense is than as described in Table 1, and all the other and embodiment one are described.
Comparative Examples one
Its set of dispense is than as described in Table 1, and all the other and embodiment one are described.
Comparative Examples two
Its set of dispense is than as described in Table 1, and all the other and embodiment one are described.
Comparative Examples three
Its set of dispense is than as described in Table 1, and all the other and embodiment one are described.
| Prescription | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative Examples 1 | Comparative Examples 2 | Comparative Examples 3 |
| Polypropylene | 78.9 | 78.9 | 73.8 | 73.8 | 84.8 | 84.7 | 79.7 |
| Ethylene-octene copolymer | 5.0 | 5.0 | 10.0 | ? | 5.0 | 5.0 | 5.0 |
| Terpolymer EP rubber | - | - | - | 10.0 | - | - | - |
| Lime carbonate | - | 10.0 | - | - | - | - | - |
| Talcum powder | 10.0 | - | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 |
| Superoxide | 0.1 | 0.1 | 0.2 | 0.1 | - | 0.1 | 0.1 |
| Vinylbenzene | 5 | 5 | 5 | - | - | - | 5 |
| Dienite | - | - | - | 5 | - | - | - |
| Polyfunctional monomer | 0.8 | 0.8 | 0.8 | 0.8 | - | - | - |
| Oxidation inhibitor | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Melt flow rate (MFR) | 3.0 | 2.8 | 2.4 | 2.5 | 2.5 | 6.2 | 3.2 |
| Tensile strength | 32.0 | 29.3 | 26.5 | 33.2 | 25.5 | 25.0 | 28 |
| Elongation at break | 85 | 300 | 250 | 80 | 60 | 30 | 40 |
| The socle girder notch shock | 12.0 | 25.0 | 24.2 | 19.2 | 7.8 | 5.5 | 7.5 |
By above embodiment and Comparative Examples data as can be seen, by adding toughner and corresponding rigid particles, can realize that toughner coats little crosslinking structure of rigid particles, and can balanced improve intensity, toughness and the rigidity of polypropylene composite effectively, compare the method for toughner and inorganic rigid particle simple blend modified polypropene, its mechanical property is more excellent.
Above embodiment is not that content to composition of the present invention imposes any restrictions, and as its every composition is by weight percentage: 1. polypropylene 72.9, toughner 15, rigid particles 5, peroxide cross-linking agent 0.1, crosslinking coagent 6, polyfunctional monomer 1; 2. polypropylene 37.9, toughner 15, rigid particles 40, peroxide cross-linking agent 0.1, crosslinking coagent 6, polyfunctional monomer 1; 3. polypropylene 91.85, toughner 2, rigid particles 5, peroxide cross-linking agent 0.05, crosslinking coagent 1, polyfunctional monomer 0.1; 4. polypropylene 80, toughner 10, rigid particles 6, peroxide cross-linking agent 0.1, crosslinking coagent 3, polyfunctional monomer 0.9.Every according to technical spirit of the present invention or composition components or content to any trickle modification, equivalent variations and modification that above embodiment did, all belong in the scope of technical solution of the present invention.
Claims (8)
1. polypropene composition comprises by weight percentage:
Polypropylene 37.9 ~ 91.85%,
Toughner 2 ~ 15%,
Rigid particles 5 ~ 40%,
Peroxide cross-linking agent 0.05 ~ 0.1%,
Crosslinking coagent 1 ~ 6%,
Polyfunctional monomer 0.1 ~ 1%.
2. a kind of polypropene composition according to claim 1 is characterized in that, described toughner is rubber elastomer or new LDPE (film grade).
3. a kind of polypropene composition according to claim 2, it is characterized in that, described rubber elastomer is terpolymer EP rubber, ethylene-propylene rubber(EPR), ethylene-octene copolymer or vinylbenzene-butylene-styrene segmented copolymer, and its weight ratio consists of 2 ~ 15%, preferred 4～10%.
4. a kind of polypropene composition according to claim 1, it is characterized in that, described peroxide cross-linking agent, comprise 1,1 '-bis(t-butylperoxy) diisopropyl benzene, dicumyl peroxide, 4,4 '-bis(t-butylperoxy) valeric acid n-butyl or 2,5-two (t-butylperoxy) 2,5-dimethyl ethane, its weight percent are 0.05 ~ 1%, preferred 0.1 ~ 0.8%.
5. a kind of polypropene composition according to claim 1 is characterized in that, described crosslinking coagent comprises styrene monomer or dienite.
6. a kind of polypropene composition according to claim 5 is characterized in that, described dienite, its number-average molecular weight between 1400 ~ 5000, and 1,2-vinyl weight content is 60 ~ 90%.
7. a kind of polypropene composition according to claim 1, it is characterized in that, described polyfunctional monomer comprises Viscoat 295, diethylene glycol diacrylate or tripropylene glycol diacrylate for containing multi-functional acrylate monomer.
8. the preparation method of a polypropene composition, its step comprises, takes by weighing the agent of component polypropylene toughening, rigid particles, peroxide cross-linking agent, crosslinking coagent, polyfunctional monomer by weight percentage; And send into twin screw extruder after the pre-mixing of process high mixer, and melt pelletization.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516655A (en) * | 2011-11-29 | 2012-06-27 | 金发科技股份有限公司 | Strengthening and toughening polypropylene composite and preparation method thereof |
| CN104403202A (en) * | 2014-12-15 | 2015-03-11 | 苏州宽温电子科技有限公司 | Flame-retardant car roof material and preparation method thereof |
| CN104403201A (en) * | 2014-12-15 | 2015-03-11 | 苏州宽温电子科技有限公司 | Vehicle roof material and preparation method thereof |
| CN105255009A (en) * | 2015-11-10 | 2016-01-20 | 沈阳化工大学 | Method for preparing reinforcing and toughening recycled PP plastic through mico-crosslinking method |
| CN110581021A (en) * | 2019-09-06 | 2019-12-17 | 安徽赛福电子有限公司 | Metallized film for film capacitor |
| CN110808342A (en) * | 2016-12-16 | 2020-02-18 | 大日本印刷株式会社 | Adhesive film for metal terminal |
| CN114181452A (en) * | 2021-10-29 | 2022-03-15 | 金发科技股份有限公司 | Polypropylene composition and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556138A (en) * | 2004-01-07 | 2004-12-22 | 南京聚隆化学实业有限责任公司 | Dynamic polypropylene sulfide composite material and its preparation method |
| CN1798775A (en) * | 2003-05-30 | 2006-07-05 | 索尔维聚合体工程有限公司 | Co-agents for the preparation of thermoplastic elastomeric blends of rubber and polyolefins |
| CN101070417A (en) * | 2007-06-21 | 2007-11-14 | 杨育农 | Polypropylene composite material |
-
2011
- 2011-05-04 CN CN201110113209.5A patent/CN102140204B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1798775A (en) * | 2003-05-30 | 2006-07-05 | 索尔维聚合体工程有限公司 | Co-agents for the preparation of thermoplastic elastomeric blends of rubber and polyolefins |
| CN1556138A (en) * | 2004-01-07 | 2004-12-22 | 南京聚隆化学实业有限责任公司 | Dynamic polypropylene sulfide composite material and its preparation method |
| CN101070417A (en) * | 2007-06-21 | 2007-11-14 | 杨育农 | Polypropylene composite material |
Non-Patent Citations (2)
| Title |
|---|
| 《合成树脂及塑料》 魏京华 聚丙烯共混增韧研究进展 , 第02期 * |
| 马德鹏等: "交联改性聚丙烯的研究", 《应用化工》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516655A (en) * | 2011-11-29 | 2012-06-27 | 金发科技股份有限公司 | Strengthening and toughening polypropylene composite and preparation method thereof |
| CN104403202A (en) * | 2014-12-15 | 2015-03-11 | 苏州宽温电子科技有限公司 | Flame-retardant car roof material and preparation method thereof |
| CN104403201A (en) * | 2014-12-15 | 2015-03-11 | 苏州宽温电子科技有限公司 | Vehicle roof material and preparation method thereof |
| CN105255009A (en) * | 2015-11-10 | 2016-01-20 | 沈阳化工大学 | Method for preparing reinforcing and toughening recycled PP plastic through mico-crosslinking method |
| CN110808342A (en) * | 2016-12-16 | 2020-02-18 | 大日本印刷株式会社 | Adhesive film for metal terminal |
| CN110581021A (en) * | 2019-09-06 | 2019-12-17 | 安徽赛福电子有限公司 | Metallized film for film capacitor |
| CN114181452A (en) * | 2021-10-29 | 2022-03-15 | 金发科技股份有限公司 | Polypropylene composition and preparation method and application thereof |
| CN114181452B (en) * | 2021-10-29 | 2023-10-31 | 金发科技股份有限公司 | Polypropylene composition and preparation method and application thereof |
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| CN102140204B (en) | 2014-06-11 |
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Effective date of registration: 20160129 Address after: Ke Feng Lu Science City high tech Industrial Development Zone of Guangzhou City, Guangdong Province, No. 33 510520 Patentee after: Kingfa Technology Co., Ltd. Patentee after: Shanghai Kingfa Science and Technology Development Co., Ltd. Patentee after: SICHUAN KINGFA TECHNOLOGY DEVELOPMENT CO., LTD. Address before: Ke Feng Lu Science City high tech Industrial Development Zone of Guangzhou City, Guangdong Province, No. 33 510520 Patentee before: Kingfa Technology Co., Ltd. Patentee before: Shanghai Kingfa Science and Technology Development Co., Ltd. Patentee before: Mianyang Dongfang Special Engineering Plastic Co., Ltd. |