CN104910508A - Modified polypropylene material, and preparation method and application thereof - Google Patents
Modified polypropylene material, and preparation method and application thereof Download PDFInfo
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- CN104910508A CN104910508A CN201410089813.2A CN201410089813A CN104910508A CN 104910508 A CN104910508 A CN 104910508A CN 201410089813 A CN201410089813 A CN 201410089813A CN 104910508 A CN104910508 A CN 104910508A
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- 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
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/926—Flow or feed rate
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a modified polypropylene material, and a preparation method and an application thereof. The modified polypropylene material is prepared from, by mass, 60-70 parts of homo-polypropylene, 30-40 parts of block copolymerized polypropylene, 1-3 parts of a compatilizer, 3-5 parts of ethylene-octylene copolymer, 0.2-0.5 parts of a nucleating agent, 0.1-0.2 parts of a carbon free radical scavenger, 0.1-0.3 parts of a peroxy free radical scavenger and 0.1-0.3 parts of an auxiliary antioxidant. The modified polypropylene material has the following advantages: 1, the density is low, is same to that of common polypropylene, and is 0.9g/cm<3>; 2, the rigidity and the toughness are balanced, and are better than those of the common polypropylene; 3, the thermal deformation resistance, the oxygen ageing resistance and the durability are good; 4, the thermal deformation temperature is high, so the modified polypropylene material can be used at a higher temperature; and 5, the molding speed is fast, and the dimension stability is good, so the molding cycle is shortened.
Description
Technical field
The present invention relates to a kind of modified polypropylene material and preparation method thereof and application.
Background technology
Polypropylene (PP) is one of five large general-purpose plastics, in industrial sector widespread uses such as chemical industry, building, light industry, automobile, household electrical appliances, packagings.But along with the development of industry, more and more higher to the requirement of material property, common polypropylene has to pass through modification, gives its high-performance, can satisfy the demand.
Carry out blending and modifying by new working method and to polypropylene, polypropylene can be made to realize high performance.Elastomer blended by polypropylene and rubber-like, effectively can improve the toughness of material, but the intensity of material, modulus and resistance to heat distorsion etc. usually can be made significantly to decline.The performance requriements of outdoor folding bucket PP material to material is high, the PP material of stiff super ensures at the bottom of bucket indeformable after holding water, the PP that toughness is outstanding prevents staving from breaking into pieces from long drop, and high heat-drawn wire guarantees that bucket can hold hot water, the good ageing-resistant performance extended period is in work-ing life.How the rigidity of comprehensive PP material, toughness, heat-drawn wire, the performance such as ageing-resistant are difficult problems, are also the principal elements guaranteeing Folding pail product performance.
Summary of the invention
The object of this invention is to provide a kind of modified polypropylene material and preparation method thereof and application.
For solving the deficiencies in the prior art, the present invention seeks to the service requirements for outdoor folding bucket PP material, providing a kind of there is firm good toughness, heat-drawn wire is high, ageing-resistant performance is good MODIFIED PP material and application thereof.
Modified polypropylene material provided by the invention, prepared by the raw material of following each mass parts and obtain:
Homo-polypropylene 60 ~ 70,
Block copolymerization polypropylene 30 ~ 40,
Compatilizer 1 ~ 3,
POE 3 ~ 5,
Nucleator 0.2 ~ 0.5,
Carbon free radical scavenger 0.1 ~ 0.2,
Peroxylradicals trapping agent 0.1 ~ 0.3,
Auxiliary antioxidant 0.1 ~ 0.3.
In above-mentioned materials, the weight-average molecular weight of described homo-polypropylene is 300,000 ~ 600,000; Described homo-polypropylene is specially HJ500, more specifically can be the homo-polypropylene HJ500 purchased from Samsung Dao Daer company limited;
The weight-average molecular weight of described block copolymerization polypropylene is 300,000 ~ 600,000; Described block copolymerization polypropylene is specially PP BE170MO, more specifically can be the block copolymerization polypropylene PP BE170MO purchased from company limited of Borealis;
The weight-average molecular weight of described POE (being called for short POE) is 250,000 ~ 600,000, more specifically can be the POE POE DF610 purchased from Mitsui Chemicals, Inc.;
The weight-average molecular weight of described compatilizer is 300,000 ~ 600,000; Described compatilizer is specially ethylene-propylene block multipolymer, is specially Hifax X1956A, more specifically can be the compatilizer Hifax X1956A purchased from chemical industrial company of Basel;
Described nucleator organic salt α nucleator, is specially NAA-325, more specifically can be purchased from GCH Technology Co., Ltd. nucleant agent N AA-325;
Described carbon free radical scavenger is Benzopyranone kind carbon free radical scavenger, is specially Irganox HP-136, more specifically can be the carbon free radical scavenger Irganox HP-136 purchased from BASF China;
Described peroxylradicals trapping agent is Hinered phenols antioxidant, is specially CYANOX1790, more specifically can be the peroxylradicals trapping agent CYANOX1790 of purchased from American Albemarle Corporation;
Described auxiliary antioxidant is IRGAFOS PS802, more specifically can be purchased from American Albemarle Corporation auxiliary antioxidant IRGAFOS PS802.
This modified polypropylene material can be prepared by the raw material of following each mass parts and obtain:
Homo-polypropylene 60 ~ 70,
Block copolymerization polypropylene 30 ~ 40,
Compatilizer 2,
POE 3 ~ 4,
Nucleator 0.2 ~ 0.3,
Carbon free radical scavenger 0.1,
Peroxylradicals trapping agent 0.1 ~ 0.2,
Auxiliary antioxidant 0.2.
Concrete, described modified polypropylene material is material a or material b;
Wherein, material a is made up of the component of following each mass parts:
Homo-polypropylene 70,
Block copolymerization polypropylene 30,
Compatilizer 2,
POE 3,
Nucleator 0.3,
Carbon free radical scavenger 0.1,
Peroxylradicals trapping agent 0.2,
Auxiliary antioxidant 0.2;
Material b is made up of the component of following each mass parts:
Homo-polypropylene 60,
Block copolymerization polypropylene 40,
Compatilizer 2,
POE 4,
Nucleator 0.2,
Carbon free radical scavenger 0.1,
Peroxylradicals trapping agent 0.1,
Auxiliary antioxidant 0.2.
The method preparing above-mentioned materials provided by the invention, comprise the steps: described each component to melt extrude by proportioning mixing, through water cooling, granulation obtains described material.
Describedly melt extrude in step, temperature is 160-210 DEG C, is specially 160-190 DEG C;
Rotating speed is 50-600rpm, is specially 600rpm;
Length-to-diameter ratio is 50-55:1, is specially 52:1;
Rate of feeding is 200-400kg/h, is specially 300kg/h.
In addition, the material that the invention described above provides, preparing the application in folding material, also belongs to protection scope of the present invention.Wherein, described folding material is Folding pail, is specially outdoor folding bucket.
Compare prior art, modified polypropylene material provided by the invention, has the following advantages:
1) low density, identical with plain polypropylene, be all 0.9g/cm
3;
2) rigidity-toughness balanced, rigidity and toughness are all better than plain polypropylene;
3) heat-resistant deforming oxygen aging, good endurance;
4) heat-drawn wire is high, can use at higher temperatures;
5) shaping speed is fast, and good stability of the dimension, can shorten shaping cycle.
Accompanying drawing explanation
Fig. 1 is that after thermal ageing 300h, embodiment 2(is left) and the comparative example 1(right side) contrast picture.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated, but the present invention is not limited to following examples.Described method is ordinary method if no special instructions.Described starting material all can obtain from open commercial sources if no special instructions.
The raw materials used source of following embodiment is as follows:
Homo-polypropylene PP HJ500 is purchased from Samsung Dao Daer company limited;
Block copolymerization polypropylene PP BE170MO is purchased from company limited of Borealis;
Compatilizer Hifax X1956A is purchased from chemical industrial company of Basel;
POE POE DF610 is purchased from Mitsui Chemicals, Inc.;
Nucleant agent N AA-325 is purchased from GCH Technology Co., Ltd.;
Carbon free radical scavenger Irganox HP-136 is purchased from BASF China;
Peroxylradicals trapping agent CYANOX1790 purchased from American Albemarle Corporation;
Auxiliary antioxidant IRGAFOS PS802 purchased from American Albemarle Corporation;
The twin screw extruder used in embodiment of the present invention is the TSE-75A that Rhea superpolymer Equipment Limited, Nanjing limit company produces.
The performance test standard that the present invention is used and method:
Tensile strength measures according to GB/T1040, and test condition is 23 DEG C and 50mm/min;
Flexural strength and modulus in flexure measure according to GB/T9341, and test condition is 23 DEG C and 2mm/min;
Cantilever beam impact strength (breach) measures according to GB/T1843, and test condition is 23 DEG C, A type breach;
Melting index (MFR) measures according to GB/T3682, at 230 DEG C, measures under 2.16kg load.
Heat-drawn wire measures according to GB/T1634, and test condition is 0.45MPa.
Thermal ageing test method is according to GB/T7141-2008, and test condition is 150 DEG C
Embodiment 1
With parts by weight, by the PP HJ500 that 70 parts of weight-average molecular weight are 300,000 ~ 600,000, 30 parts of weight-average molecular weight are the PP BE170MO of 300,000 ~ 600,000, 2 parts of weight-average molecular weight are the compatilizer Hifax X1956A of 30 ~ 600,000, 3 parts of weight-average molecular weight are the POE POE of 250,000 ~ 600,000, 0.3 part of nucleant agent N AA-325, 0.1 part of carbon free radical scavenger HP-136, 0.2 part of peroxylradicals trapping agent CYANOX1790 and 0.2 part of auxiliary antioxidant IRGAFOS PS802 is in high mixer after Homogeneous phase mixing, add in the twin screw extruder (length-to-diameter ratio 52:1) that rotating speed is 600rpm, rate of feeding is 300kg/h, screw rod front-end temperature is 160 ~ 170 DEG C, stage casing is 170 ~ 180 DEG C, back segment is 180 ~ 190 DEG C, obtain modified polypropylene material provided by the invention.
Embodiment 2
With parts by weight, by the PP HJ500 that 60 parts of weight-average molecular weight are 300,000 ~ 600,000, 40 parts of weight-average molecular weight are the PP BE170MO of 300,000 ~ 600,000, 2 parts of weight-average molecular weight are the compatilizer Hifax X1956A of 30 ~ 600,000, 4 parts of weight-average molecular weight are the POE POE of 250,000 ~ 600,000, 0.2 part of nucleant agent N AA-325, 0.1 part of carbon free radical scavenger HP-136, 0.1 part of peroxylradicals trapping agent CYANOX1790 and 0.2 part of auxiliary antioxidant IRGAFOS PS802 is in high mixer after Homogeneous phase mixing, add in the twin screw extruder (length-to-diameter ratio 52:1) that rotating speed is 600rpm, rate of feeding is 300kg/h, screw rod front-end temperature is 160 ~ 170 DEG C, stage casing is 170 ~ 180 DEG C, back segment is 180 ~ 190 DEG C, obtain modified polypropylene material provided by the invention.
Comparative example 1
With parts by weight, be the PP HJ500 of 300,000 ~ 600,000 by 60 parts of weight-average molecular weight, 40 parts of weight-average molecular weight are that the PP BE170MO of 300,000 ~ 600,000 is in high mixer after Homogeneous phase mixing, add in the twin screw extruder (length-to-diameter ratio 52:1) that rotating speed is 600rpm, rate of feeding is 300kg/h, screw rod front-end temperature is 160 ~ 170 DEG C, stage casing is 170 ~ 180 DEG C, and back segment is 180 ~ 190 DEG C, obtains control sample 1.
Comparative example 2
With parts by weight, be the PP HJ500 of 300,000 ~ 600,000 by 70 parts of weight-average molecular weight, 30 parts of weight-average molecular weight are that the PP BE170MO of 300,000 ~ 600,000 is in high mixer after Homogeneous phase mixing, add in the twin screw extruder (length-to-diameter ratio 52:1) that rotating speed is 600rpm, rate of feeding is 300kg/h, screw rod front-end temperature is 160 ~ 170 DEG C, stage casing is 170 ~ 180 DEG C, and back segment is 180 ~ 190 DEG C, obtains control sample 2.
To the granulation product of above-described embodiment 1-2 and comparative example 1-2, carried out contrast test according to the parameter such as melting index, tensile property, bending property, shock strength, heat-drawn wire, efflorescence time of national standard to MODIFIED PP material, experimental result is in table 1.
And compared for embodiment and comparative example material heat aging performance, Fig. 1 is shown in by thermal ageing photo.
As seen from the figure, the color of thermal ageing post-modification PP material does not change substantially, and unmodified PP material color has been turned to be yellow, the PP difference that heat aging performance is more modified.
Table 1, embodiment and comparative example form
| Numbering | Embodiment 1 | Embodiment 2 | Control sample 1 | Control sample 2 |
| PP HJ500 | 70 | 60 | 60 | 70 |
| PP BE170MO | 30 | 40 | 40 | 30 |
| Hifax1956A | 2 | 2 | ||
| POE DF610 | 3 | 4 | ||
| Nucleant agent N AA-325 | 0.3 | 0.2 | ||
| Irganox HP-136 | 0.1 | 0.1 | ||
| CYANOX1790 | 0.2 | 0.1 | ||
| IRGAFOS PS802 | 0.2 | 0.2 |
Table 2, embodiment and comparative example mechanical property and aging resistance
| Test event | Embodiment 1 | Embodiment 2 | Control sample 1 | Control sample 2 |
| Melting index, g/10min | 13.7 | 12.9 | 9.2 | 10.5 |
| Tensile strength, MPa | 36.7 | 35.5 | 27.2 | 30 |
| Elongation at break, % | 67 | 79 | 55 | 35 |
| Flexural strength, MPa | 46 | 42 | 32 | 35 |
| Modulus in flexure, MPa | 1950 | 1880 | 995 | 1100 |
| Notched Izod impact strength, KJ/m2 | 15.6 | 14.2 | 2.5 | 3.0 |
| Heat-drawn wire (0.45Mpa), DEG C | 130 | 125 | 97 | 100 |
| The efflorescence time (150 DEG C, sealing), h | 2570 | 2775 | 328 | 377 |
Associative list 1 and table 2, embodiment 1-2 and comparative example 1-2 compares, and its difference is with or without adding POE, nucleator and thermal ageing agent.As can be seen from the result of performance test, add the stretching of the modified polypropylene material of the embodiment gained of the auxiliary agents such as POE, nucleator, dispersion agent, bending, impact property, heat-drawn wire all greatly improve, and possess better heat aging performance.Modified polypropylene material has good rigidity-toughness balanced performance, outstanding heat-drawn wire, good heat aging performance, fully can meet the needs of outdoor Folding pail materials.
Claims (7)
1. a modified polypropylene material, is made up of the component of following each mass parts:
Homo-polypropylene 60 ~ 70,
Block copolymerization polypropylene 30 ~ 40,
Compatilizer 1 ~ 3,
POE 3 ~ 5,
Nucleator 0.2 ~ 0.5,
Carbon free radical scavenger 0.1 ~ 0.2,
Peroxylradicals trapping agent 0.1 ~ 0.3,
Auxiliary antioxidant 0.1 ~ 0.3.
2. material according to claim 1, is characterized in that:
The weight-average molecular weight of described homo-polypropylene is 300,000 ~ 600,000;
The weight-average molecular weight of described block copolymerization polypropylene is 300,000 ~ 600,000;
The weight-average molecular weight of described POE is 250,000 ~ 600,000;
The weight-average molecular weight of described compatilizer is 300,000 ~ 600,000;
Described carbon free radical scavenger is Irganox HP-136;
Described peroxylradicals trapping agent is CYANOX1790;
Described auxiliary antioxidant is IRGAFOS PS802.
3. material according to claim 1 and 2, is characterized in that: described modified polypropylene material is material a or material b;
Wherein, material a is made up of the component of following each mass parts:
Homo-polypropylene 70,
Block copolymerization polypropylene 30,
Compatilizer 2,
POE 3,
Nucleator 0.3,
Carbon free radical scavenger 0.1,
Peroxylradicals trapping agent 0.2,
Auxiliary antioxidant 0.2;
Material b is made up of the component of following each mass parts:
Homo-polypropylene 60,
Block copolymerization polypropylene 40,
Compatilizer 2,
POE 4,
Nucleator 0.2,
Carbon free radical scavenger 0.1,
Peroxylradicals trapping agent 0.1,
Auxiliary antioxidant 0.2.
4. prepare the arbitrary described method of claim 1-3, comprise the steps: arbitrary for claim 1-3 described each component to melt extrude by proportioning mixing, through water cooling, granulation obtains described material.
5. method according to claim 4, is characterized in that: described in melt extrude in step, temperature is 160-210 DEG C, is specially 160-190 DEG C;
Rotating speed is 50-600rpm, is specially 600rpm;
Length-to-diameter ratio is 50-55:1, is specially 52:1;
Rate of feeding is 200-400kg/h, is specially 300kg/h.
6. the application in folding material prepared by the arbitrary described material of claim 1-3.
7. application according to claim 6, is characterized in that: described folding material is Folding pail, is specially outdoor folding bucket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410089813.2A CN104910508A (en) | 2014-03-12 | 2014-03-12 | Modified polypropylene material, and preparation method and application thereof |
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| CN201410089813.2A CN104910508A (en) | 2014-03-12 | 2014-03-12 | Modified polypropylene material, and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705473A (en) * | 2019-02-15 | 2019-05-03 | 天津瑞杰塑料制品有限公司 | A kind of anti-aging high-transparency and high-strength polypropylene plastics charging basket and preparation method thereof |
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| CN101993563A (en) * | 2009-08-24 | 2011-03-30 | 新疆大学 | Preparation method of special polypropylene materials for automobile bumper |
| CN102408630A (en) * | 2011-10-19 | 2012-04-11 | 金发科技股份有限公司 | Polypropylene composite capable of resisting thermal oxidizing aging |
| CN102453279A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Polypropylene composition for producing bottle cap of carbonated beverage |
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| CN101007885A (en) * | 2006-01-23 | 2007-08-01 | 贵州省材料技术创新基地 | Composite fillings polypropylene composition and its preparing process |
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| CN109705473A (en) * | 2019-02-15 | 2019-05-03 | 天津瑞杰塑料制品有限公司 | A kind of anti-aging high-transparency and high-strength polypropylene plastics charging basket and preparation method thereof |
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Application publication date: 20150916 |