CN105348658A - Reinforced polypropylene composition and manufacturing method as well as use thereof - Google Patents
Reinforced polypropylene composition and manufacturing method as well as use thereof Download PDFInfo
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- 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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- C08K9/08—Ingredients agglomerated by treatment with a binding agent
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- 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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L2023/40—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with compounds changing molecular weight
- C08L2023/42—Depolymerisation, vis-breaking or degradation
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- C08L2203/00—Applications
- C08L2203/12—Applications used for fibers
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- C08L2203/18—Applications used for pipes
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- 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
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- 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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Abstract
The invention relates to a reinforced polypropylene composition and a manufacturing method as well as use thereof. The reinforced polypropylene composition is prepared by uniformly mixing 80-98 parts of chemically degraded modified polypropylene, 1-15 parts of polymer grade copolymerization or homopolymerization polypropylene, 0.1-10 parts of high density polyethylene, 0.1-0.3 part of 2,6-di-tertiary butyl-4-methylphenol, 0.1-0.5 part of calcium stearate and 5-20 parts of modified mica in parts by weight, then extruding by using a double-screw extruder at 190-200 DEG C, and pelleting. The reinforced polypropylene composition is used for producing high-strength polypropylene ribbon-like filaments, polypropylene films or tubular products.
Description
Technical field
The present invention relates to technical field of macromolecules, more specifically, relate to a kind of Reinforced Polypropylene composition and manufacture method thereof and purposes.
Background technology
Because acrylic resin demonstrates excellent physicals, chemicals-resistant and processability, be widely used in automobile component, home electronic appliance and Industrial materials field.But because polypropylene is a kind of accurate toughness material, its notched Izod impact strength is lower, its thermotolerance and rigidity also lower than other resin, such as thermoplastic styrene resin and alloy thereof.Due to polyacrylic crystallinity, its dimensional stability is also poor.Existing technology generally increases polyacrylic thermotolerance and rigidity by adding the mineral fillers such as glass fibre, adds elastomerics and increases polyacrylic toughness.
Domestic Flat Yarn Production factory in order to the reason such as reduce costs, adds inorganics inadequately sometimes in resin, as calcium carbonate etc., causes acrylic resin processing characteristics to worsen and reduces with flat filament mechanical property.
The object of the invention is to improve polypropylene flat-filament to produce, overcome the mobility of Commodity grade polypropylene flat filament resin and poor in processability causes the shortcomings such as product deterioration, provide a kind of be applicable to the flat film wire-drawing equipment of flat filament, the high-performance polypropylene composition of resin highly processable.The narrow molecular weight distribution of said composition, fluidity of molten and drawdown good, can be used for produce high strength polypropylene ribbon-like filament (single wire fracture intensity > 5.5g/d).
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, provides a kind of Reinforced Polypropylene composition.
Another object of the present invention is to the preparation method that a kind of Reinforced Polypropylene composition is provided.
Another object of the present invention is to the application that a kind of Reinforced Polypropylene composition is provided.
A kind of Reinforced Polypropylene composition of the present invention is made up of following component and weight fraction:
The homopolymer polypropylene 80-98 of chemical degradation modification
Polymerization-grade homo-polypropylene 1-15
High density polyethylene(HDPE) 0.1-10
Calcium stearate 0.1-0.3
2,6 di tert butyl 4 methyl phenol 0.1-0.5
Modified micaceous 5-20;
Modified micaceously to obtain through silane coupling agent and carboxylate latex co-treatment, carboxylate latex is wherein for reaction main monomer with aliphatic conjugated diene hydrocarbon and aromatic ethenyl compound, unsaturated carboxylic acid is function monomer, adopts emulsion copolymerization mode to obtain.
Carboxylate latex of the present invention is that unsaturated carboxylic acid is function monomer with aliphatic conjugated diene hydrocarbon and aromatic ethenyl compound for reaction main monomer, adopts emulsion polymerization way to obtain.Particularly with divinyl, vinylbenzene for main monomer, vinylformic acid is that function monomer obtains, and it is solid containing the carboxylic styrene butadiene latex being 40 ~ 65%, PH8 ~ 9, particle diameter 120-160nm.Described silane coupling agent to be selected from vinyltriethoxysilane (as A-151), vinyltrimethoxy silane (as A-171), vinyl three ('beta '-methoxy oxyethyl group) silane (as A-172), γ-(methacryloxy) propyl trimethoxy silicane (as A-174, KH-570) any one.
The melt flow index of above-mentioned chemical degradation modified polypropene is 12g/10min.
The melt flow index of above-mentioned polymerization-grade homo-polypropylene, at 2-5g/10min, is preferably 3g/10min;
The poly melt flow index of above-specified high density is 27-34g/10min, is preferably 28/10min;
Describedly modified micaceously to prepare through following steps:
By the ratio wiring solution-forming that water and mica are 4:1 in mass ratio, 1.5 ~ 2.5 parts of silane coupling agents are first added in every 100 parts of micas under agitation condition, stir after 10 ~ 30min and add carboxylate latex 5 ~ 10 parts again, after continuing stirring 30 ~ 60min through suction filtration, dry stand-by.
The preparation method of Reinforced Polypropylene composition of the present invention is in the following order, step carries out:
By weight by the high density polyethylene(HDPE) of the chemical degradation modified polypropene of 80-98 part, the polymerization-grade copolymerization of 1-15 part or homo-polypropylene, 0.1-10 part and the calcium stearate of 0.1-0.3 part, 2 of 0.1-0.5 part, 6-di-tert-butyl-4-methy phenol, modified micaceous 5-20 part carry out Homogeneous phase mixing, then with twin screw extruder 190-200 DEG C extrude, Cast Strip, granulation obtain.
Reinforced Polypropylene composition of the present invention is applied preparing in high strength polypropylene ribbon-like filament, polypropylene film and tubing.
Compared with prior art, the present invention has following outstanding effect:
It is good and by features such as its obtained flat filament excellent propertys that Reinforced Polypropylene composition of the present invention has narrow molecular weight distribution, processibility.
Aaerosol solution due to mica is weakly alkaline, and the carboxyl added, by a certain amount of alkali and rear ionization, with coupling agent generation chemical reaction, forms coating at mica surface again.The constitutional features of secondary coating, can form one deck elastica at surface of inorganic particles, when matrix material is subject to external impacts, due to the shock absorption of elastica, stress can be made to be dispersed.Play with other toughening element and act synergistically, the performance of material can be made to significantly improve, the polypropene composition obtained thus extensively can substitute the engineering materialss such as ABS, for making the parts such as automobile, electrical equipment.
Embodiment
The present invention intends by following embodiment and comparative example simple declaration feature of the present invention and advantage, but can not think that the present invention is only only limitted to the content of embodiment.
Embodiment 1
By melt flow index be by weight 92 parts of chemical degradation modified polypropenes of 9g/10min, 2 parts of polymerization-grade homo-polypropylene, 5 parts of high density polyethylene(HDPE)s, 0.2 part 2,6-di-tert-butyl-4-methy phenol, the calcium stearate of 0.1 part, 5 parts of modified micaceous polypropene compositions, 200 DEG C of wire drawings, the results are shown in Table 1
Embodiment 2
By melt flow index be by weight 92 parts of chemical degradation modified polypropenes of 7g/10min, 3 parts of polymerization-grade homo-polypropylene, 3 parts of high density polyethylene(HDPE)s, 0.2 part 2,6-di-tert-butyl-4-methy phenol, 0.1 part of calcium stearate, 8 parts of modified micaceous polypropene compositions, 190 DEG C of wire drawings, the results are shown in Table 1.
Embodiment 3
By melt flow index be by weight 92 parts of above-mentioned chemical degradation modified polypropenes of 12g/10min, 5 parts of polymerization-grade homo-polypropylene, 2 parts of high density polyethylene(HDPE)s, 0.2 part 2,6-di-tert-butyl-4-methy phenol, 0.1 part of calcium stearate, 15 parts of modified micaceous polypropene compositions, 200 DEG C of wire drawings, the results are shown in Table 1.
Embodiment 4
By weight by consist of 85 parts of chemical degradation modified polypropenes that melt flow index is 13g/10min, 5 parts of polymerization-grade homo-polypropylene, 8 parts of high density polyethylene(HDPE)s, 0.2 part 2,6-di-tert-butyl-4-methy phenol, 0.1 part of calcium stearate, 18 parts of modified micaceous polypropene compositions, 190 DEG C of spinning, the results are shown in Table 1.
Embodiment 5
By melt flow index be by weight 95 parts of chemical degradation modified polypropenes of 10g/10min, 2 parts of polymerization-grade homo-polypropylene, 2 parts of high density polyethylene(HDPE)s, 0.2 part 2,6-di-tert-butyl-4-methy phenol, 0.1 part of calcium stearate, 7 parts of modified micaceous polypropene compositions, 200 DEG C of spinning, the results are shown in Table 1.
Embodiment 6
By melt flow index be by weight 90 parts of chemical degradation modified polypropenes of 12g/10min, 3 parts of polymerization-grade homo-polypropylene, 6 parts of high density polyethylene(HDPE)s, 0.2 part 2,6-di-tert-butyl-4-methy phenol, 0.1 part of calcium stearate, 14 parts of modified micaceous polypropene compositions, 230 DEG C of spinning, the results are shown in Table 1.
Comparative example 1
This comparative example and embodiment are substantially identical, and difference is: do not use modified micaceous, experimental result is in table 1.
Flat filament performance in table 1 embodiment 1 ~ 6 and comparative example 1
Reinforced Polypropylene composition of the present invention has narrow molecular weight distribution, processibility is good and by features such as its obtained flat filament excellent propertys, mechanical strength is high.Described modified micaceously have significant reinforced effects.。
Claims (9)
1. a Reinforced Polypropylene composition, is characterized in that, described Reinforced Polypropylene composition is made up of following component and parts by weight:
The homopolymer polypropylene 80-98 of chemical degradation modification
Homo-polypropylene 1-15
High density polyethylene(HDPE) 0.1-10
Calcium stearate 0.1-0.3
2,6 di tert butyl 4 methyl phenol 0.1-0.5
Modified micaceous 5-20;
The melt flow index of described chemical degradation modified polypropene is 9-13g/10min;
Modified micaceously to obtain through silane coupling agent and carboxylate latex co-treatment, carboxylate latex is wherein for reaction main monomer with aliphatic conjugated diene hydrocarbon and aromatic ethenyl compound, unsaturated carboxylic acid is function monomer, adopts emulsion copolymerization mode to obtain.
2. Reinforced Polypropylene composition according to claim 1, is characterized in that, the melt flow index of described chemical degradation modified polypropene is 12g/10min.
3. Reinforced Polypropylene composition according to claim 1, is characterized in that, the melt flow index of described homo-polypropylene is 2-5g/10min.
4. Reinforced Polypropylene composition according to claim 3, is characterized in that, the melt flow index of described homo-polypropylene is 3g/10min.
5. Reinforced Polypropylene composition according to claim 1, is characterized in that, the melt flow index of described high density polyethylene(HDPE) is 27-34g/10min.
6. Reinforced Polypropylene composition according to claim 5, is characterized in that, the melt flow index of described high density polyethylene(HDPE) is 28g/10min.
7. Reinforced Polypropylene composition according to claim 5, is characterized in that, describedly modified micaceously to prepare through following steps:
By the ratio wiring solution-forming that water and mica are 4:1 in mass ratio, 1.5 ~ 2.5 parts of silane coupling agents are first added in every 100 parts of micas under agitation condition, stir after 10 ~ 30min and add carboxylate latex 5 ~ 10 parts again, after continuing stirring 30 ~ 60min through suction filtration, dry stand-by.
8. the manufacture method of Reinforced Polypropylene composition according to claim 1, is characterized in that each component Homogeneous phase mixing, then with twin screw extruder 190-200 DEG C extrude, granulation obtain.
9. the purposes of Reinforced Polypropylene composition according to claim 1, is characterized in that being used in and prepares high strength polypropylene ribbon-like filament, polypropylene film or tubing.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1908052A (en) * | 2005-08-02 | 2007-02-07 | 中国石油天然气股份有限公司 | Reinforced polypropylene composition and method of preparing the same |
| CN101870784A (en) * | 2010-03-29 | 2010-10-27 | 金发科技股份有限公司 | Impact resisting weather-proof polypropylene and preparation method thereof |
| CN102295802A (en) * | 2010-06-25 | 2011-12-28 | 中国石油天然气股份有限公司 | High-toughness and high-strength polypropylene composition, and preparation method thereof |
-
2015
- 2015-12-15 CN CN201510935313.0A patent/CN105348658A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1908052A (en) * | 2005-08-02 | 2007-02-07 | 中国石油天然气股份有限公司 | Reinforced polypropylene composition and method of preparing the same |
| CN101870784A (en) * | 2010-03-29 | 2010-10-27 | 金发科技股份有限公司 | Impact resisting weather-proof polypropylene and preparation method thereof |
| CN102295802A (en) * | 2010-06-25 | 2011-12-28 | 中国石油天然气股份有限公司 | High-toughness and high-strength polypropylene composition, and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 周殿明主编: "《塑料成型技术》", 31 October 2014, 机械工业出版社 * |
| 宋小平 等主编: "《石油工业用添加剂生产与应用技术》", 31 March 2014, 中国石化出版社 * |
| 王国建编著: "《多组分聚合物——原理、结构与性能》", 31 October 2013, 同济大学出版社 * |
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Application publication date: 20160224 |