CN104592627A - High-toughness high-shrinkage environmental-friendly modified polypropylene composition and preparation method thereof - Google Patents
High-toughness high-shrinkage environmental-friendly modified polypropylene composition and preparation method thereof Download PDFInfo
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- CN104592627A CN104592627A CN201410828965.XA CN201410828965A CN104592627A CN 104592627 A CN104592627 A CN 104592627A CN 201410828965 A CN201410828965 A CN 201410828965A CN 104592627 A CN104592627 A CN 104592627A
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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
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- 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
- 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
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a high-toughness high-shrinkage environmental-friendly modified polypropylene composition and a preparation method thereof. The high-toughness high-shrinkage environmental-friendly modified polypropylene composition comprises the following components in percentage by weight: 45%-88% of polypropylene, 5%-20% of toughening agents, 5%-30% of fly ash, 0%-3% of coupling agents, 0.1%-2% of antioxidants and 0%-2% of other auxiliary agents. The preparation method disclosed by the invention is simple in process and reduced in cost. The modified polypropylene material prepared through the method disclosed by the invention has the advantages of excellent toughness and high material shrinkage rate, can not only be used for solving the problem of pollution of the fly ash on the environment, but also be used for reducing the cost of a polypropylene material, thereby achieving the uniformity of the environment and economic benefit and changing the wastes into valuables.
Description
Technical field
The present invention relates to a kind of polypropene composition, be specifically related to a kind of high tenacity, high convergency, environment-friendly modified polypropene composition, polypropene composition of the present invention has the advantages such as technique is simple, good toughness, higher material contracts rate, can reduce the pollution of flyash to environment simultaneously.
Background technology
Polypropylene has excellent, the resistance to gasoline of processing characteristics and the good advantage of chemicals, simultaneously light weight, inexpensive, is widely used in the shell etc. of inner and outer decorative parts of automobile, electronics and household electronic products, is the fastest universal thermoplastics of current rate of growth.But due to polypropylene thermotolerance and toughness lower, the especially remarkable shortcoming etc. of low temperature impact properties difference, limits its application in a lot of field.
Under normal circumstances, add glass fibre in polypropylene, the mineral fillers such as talcum powder improve the performances such as the thermotolerance of material and intensity, and the shrinking percentage of material can significantly reduce simultaneously.But in a lot of practical application, particularly when product mold shrinking percentage is fixing, need the size of product to reduce, at this moment just need to improve when retention is constant the shrinking percentage of material or the use material compared with high shrinkage.
Flyash is the flour of discharging from the flue of coal-fired power plant, is one of industrial waste that quantity discharged is maximum in the world at present.If do not fully utilize it, serious pollution will inevitably be caused to the water surrounding in city, atmospheric environment etc.The rational exploitation and utilization of flyash is not only the needs in order to meet the energy and resource, is also the needs solving environmental pollution.How to become this objectionable impurities of flyash into being conducive to environment, being conducive to the useful thing of human lives, become an important research topic in industry and field of Environment Protection.
The eighties in 20th century, China just started to carry out systematic study to utilization of fly ash, and in succession created a large amount of Appropriate technology.The comprehensive utilization of flyash mainly concentrates on it as material of construction, but along with deepening continuously of scientific research, to deepening constantly of flyash essence understanding, the development research that flyash is high-level obtains certain progress, and the range of application of flyash constantly expands.The main component of flyash is SiO
2and Al
2o
3, also have a small amount of CaO, MgO, K
2o, Na
2o, Fe
2o
3deng.In recent years, in view of the thin light weight of fine coal soot particle, the advantage such as mechanical property is high, active group is more, electrical property is excellent, make it be used as plastic filler for the comprehensive utilization of flyash opens new field, turn waste into wealth.
Summary of the invention
The object of this invention is to provide exploitation a kind of high tenacity, high convergency, environment-friendly modified polypropene composition, said composition has good toughness and higher material contracts rate, and the present invention can reduce the pollution of flyash to environment, benefits the nation and the people simultaneously.
Modified poly propylene composition of the present invention is achieved through the following technical solutions its object:
A kind of high tenacity, high convergency, environment-friendly modified polypropene composition, comprise the raw material of following parts by weight:
Wherein, described polypropylene 230 DEG C, under 2.16kg loading condiction, melt flow rate (MFR) is 2 ~ 60g/10min.
Described polypropylene is homo-polypropylene or block copolymerization propylene.Preferably, the degree of crystallinity of described homo-polypropylene is 70 ~ 100%, and degree of isotacticity is 99 ~ 100%.The comonomer of described block copolymerization propylene is ethene, and vinyl monomer repeating unit molar content is 4 ~ 10%.
Described toughner is ethylene-octene linear copolymer, and its density is 0.88 ~ 0.90g/cm
3; Under 230 DEG C and 2.16kg loading condiction, melting index is the ethylene-octene linear copolymer of 0.5 ~ 10g/10min.
Described flyash is relative density is 2.1 ~ 2.3g/cm
3, median size is the grayish white powdery thing of 1 ~ 10 micron, and its main component is SiO
2and Al
2o
3, both total amounts are more than 85%.
Described coupling agent is the one in silane coupling agent, titanate coupling agent and aluminate coupling agent.
Described oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant (auxiliary antioxidant); Described primary antioxidant is one or more mixing in hindered phenol and sulphur ester antioxidant; Auxiliary anti-oxidant is one or more mixing in phosphite and ester kind antioxidant.
Other auxiliary agent described comprises shades of colour additive, various ester class or fatty acid lubricant etc.
The preparation method of above-mentioned high tenacity, high convergency, environment-friendly modified polypropene composition, its step is as follows:
(1) each component is taken by above-mentioned weight proportion;
(2) step (1) is dry mixed 3 ~ 5 minutes in super mixer;
(3) step (2) products therefrom is placed in dual-screw-stem machine, through melt extruding, granulation, its technique is: 200 ~ 210 DEG C, a district, two 210 ~ 220 DEG C, districts, three 210 ~ 220 DEG C, districts, four 205 ~ 215 DEG C, districts; The residence time is 1 ~ 2 minute, and pressure is 12 ~ 18Mpa.
The invention has the advantages that:
1: preparation method's technique of the present invention is simple, reduces costs.
2: the modified polypropylene material obtained by the present invention has excellent toughness and higher material contracts rate.
3: the present invention can solve the pollution of flyash to environment, can reduce again the cost of polypropylene material, make it the unification reaching environment and'economy benefit, turn waste into wealth.
Embodiment
In high tenacity of the present invention, high convergency, environment-friendly modified polypropene composition, comprise mass percentage be 42 ~ 90% melt flow rate (MFR) (test condition: 230 DEG C, 2.16kg load) be that (comonomer of block copolymerization propylene is that its content of ethene is in the scope of 4 ~ 10mol% for the homo-polypropylene of 2 ~ 60g/10min or block copolymerization propylene; The degree of crystallinity of homo-polypropylene is more than 70%, and degree of isotacticity is greater than 99%); Mass percentage is 5 ~ 20%, density is 0.88 ~ 0.90g/cm
3, melting index is that the ethylene-octene linear copolymer of 0.5 ~ 10g/10min (test condition: 230 DEG C, 2.16kg load) is as toughner; Mass percentage is 5 ~ 30%, relative density 2.1 ~ 2.3g/cm
3, median size is the flyash of 1 ~ 10 micron; Mass percentage is the silane coupling agent of 0 ~ 3%, a kind of coupling agent in titanate coupling agent or aluminate coupling agent.Also comprise and comprising with the primary antioxidant of one or more compositions in hindered phenol or sulphur ester antioxidant with the auxiliary anti-oxidant of one or more compositions in the phosphorite kind antioxidant oxidation inhibitor that is component, the mass percentage content of this oxidation inhibitor in polypropene composition of the present invention is 0.1 ~ 2%.Can also comprise mass percentage be 0 ~ 3% other auxiliary agent comprise shades of colour additive, various ester class or fatty acid lubricant etc.
Before using, take raw material by said components and weight proportion, in super mixer, be dry mixed 3 ~ 5 minutes; The raw material of mixing is placed in dual-screw-stem machine, and through melt extruding, granulation, its technique is: 200 ~ 210 DEG C, a district, two 210 ~ 220 DEG C, districts, three 210 ~ 220 DEG C, districts, four 205 ~ 215 DEG C, districts; The residence time is 1 ~ 2 minute, and pressure is 12 ~ 18Mpa.
Mode below by embodiment further illustrates the present invention, does not therefore limit the present invention among described scope of embodiments.
Embodiment 1
Polypropene composition main ingredient of the present invention comprises 86.7% polypropylene, 5% toughner, 5% flyash, 1% coupling agent, 0.1% antioxidant 3114 and 0.2% irgasfos 168 and 2% other auxiliary agent.
Embodiment 2
Polypropene composition main ingredient of the present invention comprises 76.7% polypropylene, 10% toughner, 10% flyash, 1% coupling agent, 0.1% antioxidant 3114 and 0.2% irgasfos 168 and 2% other auxiliary agent.
Embodiment 3
Polypropene composition main ingredient of the present invention comprises 61.7% polypropylene, 15% toughner, 20% flyash, 1% coupling agent, 0.1% antioxidant 3114 and 0.2% irgasfos 168 and 2% other auxiliary agent.
Embodiment 4
Polypropene composition main ingredient of the present invention comprises 46.7% polypropylene, 20% toughner, 30% flyash, 1% coupling agent, 0.1% antioxidant 3114 and 0.2% irgasfos 168 and 2% other auxiliary agent.
Above-described embodiment main component mass percentage is in table 1.
Table 1 embodiment 1 ~ 4 main ingredient content (mass percentage)
| Embodiment is numbered | 1 | 2 | 3 | 4 |
| Polypropylene | 86.7 | 76.7 | 61.7 | 46.7 |
| Toughner | 5 | 10 | 15 | 20 |
| Flyash | 5 | 10 | 20 | 30 |
| Coupling agent | 1 | 1 | 1 | 1 |
| Antioxidant 3114 | 0.1 | 0.1 | 0.1 | 0.1 |
| Irgasfos 168 | 0.2 | 0.2 | 0.2 | 0.2 |
| Other auxiliary agent | 2 | 2 | 2 | 2 |
Comparative example 1
This comparative example polypropene composition main ingredient comprises 86.7% polypropylene, 5% toughner, 5% talcum powder, 1% coupling agent, 0.1% antioxidant 3114 and 0.2% irgasfos 168 and 2% other auxiliary agent.
Comparative example 2
This comparative example polypropene composition main ingredient comprises 76.7% polypropylene, 10% toughner, 10% talcum powder, 1% coupling agent, 0.1% antioxidant 3114 and 0.2% irgasfos 168 and 2% other auxiliary agent.
Comparative example 3
This comparative example polypropene composition main ingredient comprises 61.7% polypropylene, 15% toughner, 20% talcum powder, 1% coupling agent, 0.1% antioxidant 3114 and 0.2% irgasfos 168 and 2% other auxiliary agent.
Comparative example 4
This comparative example polypropene composition main ingredient comprises 46.7% polypropylene, 20% toughner, 30% talcum powder, 1% coupling agent, 0.1% antioxidant 3114 and 0.2% irgasfos 168 and 2% other auxiliary agent.
Carry out alternative flyash with talcum powder in comparative example, other main ingredients are consistent with embodiment, and each main ingredient mass percentage is in table 2.
Table 2 comparative example 1 ~ 4 main ingredient content (mass percentage)
| Comparative example is numbered | 1 | 2 | 3 | 4 |
| Polypropylene | 86.7 | 76.7 | 61.7 | 46.7 |
| Toughner | 5 | 10 | 15 | 20 |
| Talcum powder | 5 | 10 | 20 | 30 |
| Coupling agent | 1 | 1 | 1 | 1 |
| Antioxidant 3114 | 0.1 | 0.1 | 0.1 | 0.1 |
| Irgasfos 168 | 0.2 | 0.2 | 0.2 | 0.2 |
| Other auxiliary agent | 2 | 2 | 2 | 2 |
In above-described embodiment and comparative example composite formula, described polypropylene is co-polypropylene, and melt flow rate (MFR) is 30g/10min.Described toughner POE is linear ethylene-octene copolymer that Dupont company of the U.S. produces, and trade names are Engage 8180, and density is 0.863g/cm
3, melt flow rate (MFR) is 0.5g/10min.Described flyash, relative density is 2.2g/cm
3, median size is 2.5 microns.Described talcum powder is 1250 orders, and its median size is 10 microns.Described coupling agent is the silane coupling agent that DowCorning company of the U.S. produces, and trade names are Z-6011.Described primary antioxidant 3114 is BASF AG's production, and trade names are Irganox 3114, and chemical name is 3,5-di-tert-butyl-4-hydroxyl benzyl diethyl phosphoric acid; Auxiliary anti-oxidant 168 is BASF AG's production, and trade names are Irgafos 168, and chemical name is three (2,4-di-tert-butyl-phenyl) phosphorous acid ester.
In above-described embodiment and comparative example, each resin and various additive are dry mixed 3 ~ 5 minutes in super mixer, then through melt extruding in twin screw extruder, granulation, its technique is: 190 ~ 200 DEG C, a district, two 200 ~ 210 DEG C, districts, three 210 ~ 220 DEG C, districts, four 205 ~ 215 DEG C, districts; The residence time is 1 ~ 2 minute, and pressure is 12 ~ 18Mpa.
By the particulate material in the convection oven of 90 ~ 100 DEG C dry 2 ~ 3 hours completing granulation as stated above, and then dried particulate material is carried out injection molding sample preparation on injection moulding machine, carry out performance test.
Density measurement is undertaken by ISO1183, and specimen size is 10 × 10 × 4mm; Tensile property test is undertaken by ISO527-2, and specimen size is 170 × 10 × 4mm, and draw speed is 50mm/min; Bending property test is undertaken by ISO178, and specimen size is 80 × 10 × 4mm, and rate of bending is 2mm/min, and span is 64mm; Simply supported beam notched Izod impact strength is undertaken by ISO179/1eA, and specimen size is 80 × 10 × 4mm, and notch depth is 1/3rd of sample thickness, and probe temperature is 23 DEG C and-30 DEG C; The test of material contracts rate is undertaken by ISO2577, and specimen size is 150 × 100 × 3.2mm.
The over-all properties of material by density, tensile strength, modulus in flexure, the notched Izod impact strength of test gained, pass judgment on.The embodiment of the present invention 1 ~ 4 and comparative example 1 ~ 4 polypropene composition performance test results are respectively in table 3.
Table 3 embodiment 1 ~ 4 and comparative example 1 ~ 4 polypropene composition the performance test results
Contrast as can be seen from the test result of embodiment 1 ~ 4 and comparative example 1 ~ 4, coal ash instead talcum powder is as the mineral filler in polypropene composition, the material contracts rate of modified poly propylene composition significantly improves, notched Izod impact strength especially low temperature notched shock strength also has obvious raising, and the reduction of density simultaneously also can play a positive role to the lightweight of material.
Be described in detail specific embodiments of the invention above, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (9)
1. high tenacity, high convergency, an environment-friendly modified polypropene composition, is characterized in that: the raw material comprising following parts by weight:
2. high tenacity according to claim 1, high convergency, environment-friendly modified polypropene composition, is characterized in that: described polypropylene 230 DEG C, under 2.16kg loading condiction, melt flow rate (MFR) is 2 ~ 60g/10min.
3. high tenacity according to claim 1, high convergency, environment-friendly modified polypropene composition, is characterized in that: described polypropylene is homo-polypropylene or block copolymerization propylene; The degree of crystallinity of described homo-polypropylene is 70 ~ 100%, and degree of isotacticity is 99 ~ 100%; The comonomer of described block copolymerization propylene is ethene, and vinyl monomer repeating unit molar content is 4 ~ 10%.
4. high tenacity according to claim 1, high convergency, environment-friendly modified polypropene composition, is characterized in that: described toughner is ethylene-octene linear copolymer, and its density is 0.88 ~ 0.90g/cm
3; Under 230 DEG C and 2.16kg loading condiction, melting index is 0.5 ~ 10g/10min.
5. high tenacity according to claim 1, high convergency, environment-friendly modified polypropene composition, is characterized in that: described flyash is relative density is 2.1 ~ 2.3g/cm
3, median size is the grayish white powdery thing of 1 ~ 10 micron, and its main component is SiO
2and Al
2o
3, both total amounts are more than 85%.
6. high tenacity according to claim 1, high convergency, environment-friendly modified polypropene composition, is characterized in that: described coupling agent is the one in silane coupling agent, titanate coupling agent and aluminate coupling agent.
7. high tenacity according to claim 1, high convergency, environment-friendly modified polypropene composition, is characterized in that: described oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant; Described primary antioxidant is one or more mixing in hindered phenol and sulphur ester antioxidant; Auxiliary anti-oxidant is one or more mixing in phosphite and ester kind antioxidant.
8. high tenacity according to claim 1, high convergency, environment-friendly modified polypropene composition, is characterized in that: other auxiliary agent described comprises shades of colour additive, various ester class or fatty acid lubricant etc.
9. the preparation method of high tenacity, high convergency, environment-friendly modified polypropene composition described in claim 1, is characterized in that: its step is as follows:
(1) each component is taken by above-mentioned weight proportion;
(2) step (1) is dry mixed 3 ~ 5 minutes in super mixer;
(3) step (2) products therefrom is placed in dual-screw-stem machine, through melt extruding, granulation, its technique is: 200 ~ 210 DEG C, a district, two 210 ~ 220 DEG C, districts, three 210 ~ 220 DEG C, districts, four 205 ~ 215 DEG C, districts; The residence time is 1 ~ 2 minute, and pressure is 12 ~ 18Mpa.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192262A (en) * | 2017-12-26 | 2018-06-22 | 浙江普利特新材料有限公司 | A kind of high tenacity, high convergency, high-flowability polypropylene composite material and preparation method thereof |
| CN109535572A (en) * | 2018-11-14 | 2019-03-29 | 天津金发新材料有限公司 | A kind of high rigid, high shrinkage polypropylene modification material and preparation method thereof of leaping high |
| CN111234372A (en) * | 2018-11-28 | 2020-06-05 | 重庆霏欧纳科技有限公司 | Modified polypropylene resin |
| CN111253680A (en) * | 2020-03-31 | 2020-06-09 | 镇江恒达包装股份有限公司 | Silicon-aluminum micro-bead blending modified polypropylene composite material and preparation method thereof |
| CN114058125A (en) * | 2021-12-03 | 2022-02-18 | 江林（贵州）高科发展股份有限公司 | Low-odor low-emission modified polypropylene polymer composite material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102675745A (en) * | 2012-05-22 | 2012-09-19 | 苏州新区华士达工程塑胶有限公司 | Formula of high-impact-resistant polypropylene |
| CN103756133A (en) * | 2013-12-28 | 2014-04-30 | 重庆普利特新材料有限公司 | Fly ash-modified polypropylene composition and preparation method thereof |
-
2014
- 2014-12-22 CN CN201410828965.XA patent/CN104592627A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102675745A (en) * | 2012-05-22 | 2012-09-19 | 苏州新区华士达工程塑胶有限公司 | Formula of high-impact-resistant polypropylene |
| CN103756133A (en) * | 2013-12-28 | 2014-04-30 | 重庆普利特新材料有限公司 | Fly ash-modified polypropylene composition and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192262A (en) * | 2017-12-26 | 2018-06-22 | 浙江普利特新材料有限公司 | A kind of high tenacity, high convergency, high-flowability polypropylene composite material and preparation method thereof |
| CN109535572A (en) * | 2018-11-14 | 2019-03-29 | 天津金发新材料有限公司 | A kind of high rigid, high shrinkage polypropylene modification material and preparation method thereof of leaping high |
| CN111234372A (en) * | 2018-11-28 | 2020-06-05 | 重庆霏欧纳科技有限公司 | Modified polypropylene resin |
| CN111253680A (en) * | 2020-03-31 | 2020-06-09 | 镇江恒达包装股份有限公司 | Silicon-aluminum micro-bead blending modified polypropylene composite material and preparation method thereof |
| CN114058125A (en) * | 2021-12-03 | 2022-02-18 | 江林（贵州）高科发展股份有限公司 | Low-odor low-emission modified polypropylene polymer composite material and preparation method thereof |
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