CN105037933A - Low-temperature-impact-resistant polypropylene material and preparation method therefor - Google Patents
Low-temperature-impact-resistant polypropylene material and preparation method therefor Download PDFInfo
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- CN105037933A CN105037933A CN201510406037.9A CN201510406037A CN105037933A CN 105037933 A CN105037933 A CN 105037933A CN 201510406037 A CN201510406037 A CN 201510406037A CN 105037933 A CN105037933 A CN 105037933A
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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
- 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
- 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
- C08L23/14—Copolymers of propene
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- 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
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
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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
- 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
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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
- 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
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention belongs to the field of composite materials and discloses a low-temperature-impact-resistant polypropylene material and a preparation method therefore. The low-temperature-impact-resistant polypropylene material comprises polypropylene, polycarbonate, polyphenyl ether, polypropanediol glutarate, polypropylene glycol adipate, phenolic resin, calcium fluoride, barium carbonate and an aluminate coupling agent DL-411. The preparation method comprises the following steps: S1: ball-milling calcium fluoride and barium carbonate by using a ball mill; S2: adding polypropylene, polycarbonate, polyphenyl ether, polypropanediol glutarate, polypropylene glycol adipate, phenolic resin, calcium fluoride, barium carbonate and the aluminate coupling agent DL-411 into a reaction kettle, and uniformly stirring and leaving the mixture to stand; S3: mixing and extruding the polypropylene material stirred in the S2 by using a twin-screw extruder; and S4: granulating the extruded material by using a granulator and cooling the material to obtain the low-temperature-impact-resistant polypropylene material.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of polypropylene material and preparation method thereof, particularly relate to polypropylene material of a kind of low-temperature impact-resistant and preparation method thereof.
Background technology
Polypropylene is the multipolymer of alfon or propylene and α-alkene (ethene, butene-1, hexene-1), and its molecule linearly structure, density is 0.89 ~ 0.91g/cm
3, also lower than the density of Low Density Polyethylene.Polyacrylic mechanical property is compared with polyethylene, and its intensity, rigidity and hardness are all higher, and glossiness might as well.Its shock strength is very large to temperature dependency, and particularly low temperature impact strength is low.Polypropylene also has excellent flexural fatigue resistance.Polypropylene has good thermotolerance, can use, can reach 120 DEG C under underloading more than 100 DEG C.Under unloaded condition, the highest continuous use temperature can reach 120 DEG C, and short-period used temperature is 150 DEG C.The resistance to boiling water of polypropylene, resistance to well vapor permeability.Thermal conductivity is 0.15-0.24w/(mk), being less than polyethylene, is good adiabatic material which can retain moisture.Because under polyacrylic low temperature environment, impact resistance is poor, therefore polyacrylic fragility increases at low ambient temperatures, reduces polyacrylic performance significantly, therefore, is necessary to improve its shock resistance at low temperatures.
Summary of the invention
The technical problem solved: the impact-resistant intensity at low temperatures of conventional polypropylene material still has much room for improvement, the object of the invention is, by improveing the preparation technology of polypropylene composite material and moiety, to improve polypropylene material impact strength at low temperatures.
Object of the present invention can be achieved through the following technical solutions:
A polypropylene material for low-temperature impact-resistant, the polypropylene material of described low-temperature impact-resistant comprises the composition of following weight part:
Polypropylene 26-38 part,
Polycarbonate 8-18 part,
Polyphenylene oxide 6-15 part,
Poly-pentanedioic acid propylene glycol ester 4-12 part,
Polypropylene adipate (PPA) 5-15 part,
Resol 5-10 part,
Calcium Fluoride (Fluorspan) 3-9 part,
Barium carbonate 2-7 part,
Aluminate coupling agent DL-4115-12 part.
The polypropylene material of described a kind of low-temperature impact-resistant, comprises the composition of following weight part:
Polypropylene 30-36 part,
Polycarbonate 12-16 part,
Polyphenylene oxide 8-14 part,
Poly-pentanedioic acid propylene glycol ester 6-10 part,
Polypropylene adipate (PPA) 8-13 part,
Resol 6-9 part,
Calcium Fluoride (Fluorspan) 5-8 part,
Barium carbonate 3-6 part,
Aluminate coupling agent DL-4117-10 part.
A preparation method for the polypropylene material of low-temperature impact-resistant, described preparation method comprises the steps:
Step 1: adopt ball mill to carry out ball milling to Calcium Fluoride (Fluorspan) and barium carbonate, in ball mill, ratio of grinding media to material is 15:1-25:1, and Ball-milling Time is 2-5h;
Step 2: reactor temperature is set as 70-80 DEG C, after temperature reaches, in reactor, add polypropylene 26-38 part, polycarbonate 8-18 part, polyphenylene oxide 6-15 part, poly-pentanedioic acid propylene glycol ester 4-12 part, polypropylene adipate (PPA) 5-15 part, resol 5-10 part, Calcium Fluoride (Fluorspan) 3-9 part, barium carbonate 2-7 part, aluminate coupling agent DL-411 be 5-12 part, start stirring rake in reactor, stir above-mentioned composition, after stirring, leave standstill;
Step 3: the polypropylene material after step 2 is stirred adopts twin screw extruder mixing extrusion, the extrusion temperature of twin screw extruder is as follows: district's temperature is 175-185 DEG C, two district's temperature are 195-205 DEG C, and three district's temperature are 210-220 DEG C, and four district's temperature are 225-230 DEG C;
Step 4: extrude rear granulator granulation is the polypropylene material of low-temperature impact-resistant after cooling.
The preparation method of the polypropylene material of described a kind of low-temperature impact-resistant, described step 3 Zhong-1 block temperature is 180 DEG C.
The preparation method of the polypropylene material of described a kind of low-temperature impact-resistant, in described step 3, two district's temperature are 200 DEG C.
The preparation method of the polypropylene material of described a kind of low-temperature impact-resistant, in described step 3, three district's temperature are 215 DEG C.
The preparation method of the polypropylene material of described a kind of low-temperature impact-resistant, in described step 3, four district's temperature are 230 DEG C.
Beneficial effect: polypropylene composite material of the present invention overcomes the single polypropylene material problem that resistance to impact shock is low at low temperatures, effectively raises the resistance to impact shock under the low temperature of polypropylene material.There is very excellent impact property.Polyphenylene oxide in polypropylene material of the present invention and poly-pentanedioic acid propylene glycol ester improve the resistance to impact shock of polypropylene composite material jointly.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
Step 1: adopt ball mill to carry out ball milling to Calcium Fluoride (Fluorspan) and barium carbonate, in ball mill, ratio of grinding media to material is 25:1, and Ball-milling Time is 5h; Step 2: reactor temperature is set as 80 DEG C, after temperature reaches, in reactor, add polypropylene 38 parts, polycarbonate 8 parts, polyphenylene oxide 15 parts, poly-pentanedioic acid propylene glycol ester 4 parts, polypropylene adipate (PPA) 15 parts, 5 parts, resol, 9 parts, Calcium Fluoride (Fluorspan), barium carbonate 7 parts, aluminate coupling agent DL-411 be 12 parts, start stirring rake in reactor, stir above-mentioned composition, after stirring, leave standstill; Step 3: the polypropylene material after step 2 is stirred adopts twin screw extruder mixing extrusion, and the extrusion temperature of twin screw extruder is as follows: district's temperature is 185 DEG C, and two district's temperature are 205 DEG C, and three district's temperature are 220 DEG C, and four district's temperature are 230 DEG C; Step 4: extrude rear granulator granulation is the polypropylene material of low-temperature impact-resistant after cooling.
The resistance to impact shock of the polypropylene material of embodiment 1 is 290J/m, and at temperature is 0 DEG C, its resistance to impact shock is 185J/m.
Embodiment 2
Step 1: adopt ball mill to carry out ball milling to Calcium Fluoride (Fluorspan) and barium carbonate, in ball mill, ratio of grinding media to material is 15:1, and Ball-milling Time is 2h; Step 2: reactor temperature is set as 70 DEG C, after temperature reaches, in reactor, add polypropylene 26 parts, polycarbonate 18 parts, polyphenylene oxide 6 parts, poly-pentanedioic acid propylene glycol ester 12 parts, polypropylene adipate (PPA) 5 parts, 10 parts, resol, 3 parts, Calcium Fluoride (Fluorspan), barium carbonate 2 parts, aluminate coupling agent DL-411 be 5 parts, start stirring rake in reactor, stir above-mentioned composition, after stirring, leave standstill; Step 3: the polypropylene material after step 2 is stirred adopts twin screw extruder mixing extrusion, and the extrusion temperature of twin screw extruder is as follows: district's temperature is 175 DEG C, and two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, and four district's temperature are 225 DEG C; Step 4: extrude rear granulator granulation is the polypropylene material of low-temperature impact-resistant after cooling.
The resistance to impact shock of the polypropylene material of embodiment 2 is 284J/m, and at temperature is 0 DEG C, its resistance to impact shock is 189J/m.
Embodiment 3
Step 1: adopt ball mill to carry out ball milling to Calcium Fluoride (Fluorspan) and barium carbonate, in ball mill, ratio of grinding media to material is 25:1, and Ball-milling Time is 5h; Step 2: reactor temperature is set as 80 DEG C, after temperature reaches, in reactor, add polypropylene 30 parts, polycarbonate 16 parts, polyphenylene oxide 8 parts, poly-pentanedioic acid propylene glycol ester 10 parts, polypropylene adipate (PPA) 8 parts, 9 parts, resol, 5 parts, Calcium Fluoride (Fluorspan), barium carbonate 6 parts, aluminate coupling agent DL-411 be 7 parts, start stirring rake in reactor, stir above-mentioned composition, after stirring, leave standstill; Step 3: the polypropylene material after step 2 is stirred adopts twin screw extruder mixing extrusion, and the extrusion temperature of twin screw extruder is as follows: district's temperature is 185 DEG C, and two district's temperature are 205 DEG C, and three district's temperature are 220 DEG C, and four district's temperature are 230 DEG C; Step 4: extrude rear granulator granulation is the polypropylene material of low-temperature impact-resistant after cooling.
The resistance to impact shock of the polypropylene material of embodiment 3 is 307J/m, and at temperature is 0 DEG C, its resistance to impact shock is 202J/m.
Embodiment 4
Step 1: adopt ball mill to carry out ball milling to Calcium Fluoride (Fluorspan) and barium carbonate, in ball mill, ratio of grinding media to material is 15:1, and Ball-milling Time is 2h; Step 2: reactor temperature is set as 70 DEG C, after temperature reaches, in reactor, add polypropylene 36 parts, polycarbonate 12 parts, polyphenylene oxide 14 parts, poly-pentanedioic acid propylene glycol ester 6 parts, polypropylene adipate (PPA) 13 parts, 6 parts, resol, 8 parts, Calcium Fluoride (Fluorspan), barium carbonate 3 parts, aluminate coupling agent DL-411 be 10 parts, start stirring rake in reactor, stir above-mentioned composition, after stirring, leave standstill; Step 3: the polypropylene material after step 2 is stirred adopts twin screw extruder mixing extrusion, and the extrusion temperature of twin screw extruder is as follows: district's temperature is 175 DEG C, and two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, and four district's temperature are 225 DEG C; Step 4: extrude rear granulator granulation is the polypropylene material of low-temperature impact-resistant after cooling.
The resistance to impact shock of the polypropylene material of embodiment 4 is 316J/m, and at temperature is 0 DEG C, its resistance to impact shock is 207J/m.
Embodiment 5
Step 1: adopt ball mill to carry out ball milling to Calcium Fluoride (Fluorspan) and barium carbonate, in ball mill, ratio of grinding media to material is 15:1, and Ball-milling Time is 2h; Step 2: reactor temperature is set as 70 DEG C, after temperature reaches, in reactor, add polypropylene 33 parts, polycarbonate 14 parts, polyphenylene oxide 11 parts, poly-pentanedioic acid propylene glycol ester 8 parts, polypropylene adipate (PPA) 10 parts, 8 parts, resol, 7 parts, Calcium Fluoride (Fluorspan), barium carbonate 4 parts, aluminate coupling agent DL-411 be 9 parts, start stirring rake in reactor, stir above-mentioned composition, after stirring, leave standstill; Step 3: the polypropylene material after step 2 is stirred adopts twin screw extruder mixing extrusion, and the extrusion temperature of twin screw extruder is as follows: district's temperature is 180 DEG C, and two district's temperature are 200 DEG C, and three district's temperature are 215 DEG C, and four district's temperature are 230 DEG C; Step 4: extrude rear granulator granulation is the polypropylene material of low-temperature impact-resistant after cooling.
The resistance to impact shock of the polypropylene material of embodiment 5 is 335J/m, and at temperature is 0 DEG C, its resistance to impact shock is 239J/m.
Comparative example 1
Step 1: adopt ball mill to carry out ball milling to Calcium Fluoride (Fluorspan) and barium carbonate, in ball mill, ratio of grinding media to material is 15:1, and Ball-milling Time is 2h; Step 2: reactor temperature is set as 70 DEG C, after temperature reaches, in reactor, add polypropylene 26 parts, polycarbonate 18 parts, poly-pentanedioic acid propylene glycol ester 12 parts, polypropylene adipate (PPA) 5 parts, 10 parts, resol, 3 parts, Calcium Fluoride (Fluorspan), barium carbonate 2 parts, aluminate coupling agent DL-411 be 5 parts, start stirring rake in reactor, stir above-mentioned composition, after stirring, leave standstill; Step 3: the polypropylene material after step 2 is stirred adopts twin screw extruder mixing extrusion, and the extrusion temperature of twin screw extruder is as follows: district's temperature is 175 DEG C, and two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, and four district's temperature are 225 DEG C; Step 4: extrude rear granulator granulation is the polypropylene material of low-temperature impact-resistant after cooling.
The resistance to impact shock of the polypropylene material of comparative example 1 is 257J/m, and at temperature is 0 DEG C, its resistance to impact shock is 103J/m.
Comparative example 2
Step 1: adopt ball mill to carry out ball milling to Calcium Fluoride (Fluorspan) and barium carbonate, in ball mill, ratio of grinding media to material is 15:1, and Ball-milling Time is 2h; Step 2: reactor temperature is set as 70 DEG C, after temperature reaches, in reactor, add polypropylene 26 parts, polycarbonate 18 parts, polypropylene adipate (PPA) 5 parts, 10 parts, resol, 3 parts, Calcium Fluoride (Fluorspan), barium carbonate 2 parts, aluminate coupling agent DL-411 be 5 parts, start stirring rake in reactor, stir above-mentioned composition, after stirring, leave standstill; Step 3: the polypropylene material after step 2 is stirred adopts twin screw extruder mixing extrusion, and the extrusion temperature of twin screw extruder is as follows: district's temperature is 175 DEG C, and two district's temperature are 195 DEG C, and three district's temperature are 210 DEG C, and four district's temperature are 225 DEG C; Step 4: extrude rear granulator granulation is the polypropylene material of low-temperature impact-resistant after cooling.
The resistance to impact shock of the polypropylene material of comparative example 2 is 224J/m, and at temperature is 0 DEG C, its resistance to impact shock is 62J/m.
Claims (7)
1. a polypropylene material for low-temperature impact-resistant, is characterized in that, the polypropylene material of described low-temperature impact-resistant comprises the composition of following weight part:
Polypropylene 26-38 part,
Polycarbonate 8-18 part,
Polyphenylene oxide 6-15 part,
Poly-pentanedioic acid propylene glycol ester 4-12 part,
Polypropylene adipate (PPA) 5-15 part,
Resol 5-10 part,
Calcium Fluoride (Fluorspan) 3-9 part,
Barium carbonate 2-7 part,
Aluminate coupling agent DL-4115-12 part.
2. the polypropylene material of a kind of low-temperature impact-resistant according to claim 1, is characterized in that, the polypropylene material of described low-temperature impact-resistant comprises the composition of following weight part:
Polypropylene 30-36 part,
Polycarbonate 12-16 part,
Polyphenylene oxide 8-14 part,
Poly-pentanedioic acid propylene glycol ester 6-10 part,
Polypropylene adipate (PPA) 8-13 part,
Resol 6-9 part,
Calcium Fluoride (Fluorspan) 5-8 part,
Barium carbonate 3-6 part,
Aluminate coupling agent DL-4117-10 part.
3. a preparation method for the polypropylene material of low-temperature impact-resistant, is characterized in that, described preparation method comprises the steps:
Step 1: adopt ball mill to carry out ball milling to Calcium Fluoride (Fluorspan) and barium carbonate, in ball mill, ratio of grinding media to material is 15:1-25:1, and Ball-milling Time is 2-5h;
Step 2: reactor temperature is set as 70-80 DEG C, after temperature reaches, in reactor, add polypropylene 26-38 part, polycarbonate 8-18 part, polyphenylene oxide 6-15 part, poly-pentanedioic acid propylene glycol ester 4-12 part, polypropylene adipate (PPA) 5-15 part, resol 5-10 part, Calcium Fluoride (Fluorspan) 3-9 part, barium carbonate 2-7 part, aluminate coupling agent DL-411 be 5-12 part, start stirring rake in reactor, stir above-mentioned composition, after stirring, leave standstill;
Step 3: the polypropylene material after step 2 is stirred adopts twin screw extruder mixing extrusion, the extrusion temperature of twin screw extruder is as follows: district's temperature is 175-185 DEG C, two district's temperature are 195-205 DEG C, and three district's temperature are 210-220 DEG C, and four district's temperature are 225-230 DEG C;
Step 4: extrude rear granulator granulation is the polypropylene material of low-temperature impact-resistant after cooling.
4. the preparation method of the polypropylene material of a kind of low-temperature impact-resistant according to claim 3, is characterized in that, described step 3 Zhong-1 block temperature is 180 DEG C.
5. the preparation method of the polypropylene material of a kind of low-temperature impact-resistant according to claim 3, is characterized in that, in described step 3, two district's temperature are 200 DEG C.
6. the preparation method of the polypropylene material of a kind of low-temperature impact-resistant according to claim 3, is characterized in that, in described step 3, three district's temperature are 215 DEG C.
7. the preparation method of the polypropylene material of a kind of low-temperature impact-resistant according to claim 3, is characterized in that, in described step 3, four district's temperature are 230 DEG C.
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Cited By (5)
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| CN105820427A (en) * | 2016-05-30 | 2016-08-03 | 金宝丽科技（苏州）有限公司 | Low-temperature-resistant sheet composition and method for preparing sheet |
| CN105860274A (en) * | 2016-06-23 | 2016-08-17 | 吴国庆 | Impact-resistant toughened PC/PBT/PP plastic alloy and preparation method thereof |
| CN106280002A (en) * | 2016-08-31 | 2017-01-04 | 金田集团（桐城）塑业有限公司 | A kind of uvioresistant polypropylene film material |
| CN106380687A (en) * | 2016-08-31 | 2017-02-08 | 金田集团（桐城）塑业有限公司 | Low-temperature-resistant polypropylene film material |
| CN109762259A (en) * | 2018-12-18 | 2019-05-17 | 武汉金牛经济发展有限公司 | The polypropylene random copolymer material and preparation method thereof of modified polycarbonate enhancing |
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Cited By (5)
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| CN106280002A (en) * | 2016-08-31 | 2017-01-04 | 金田集团（桐城）塑业有限公司 | A kind of uvioresistant polypropylene film material |
| CN106380687A (en) * | 2016-08-31 | 2017-02-08 | 金田集团（桐城）塑业有限公司 | Low-temperature-resistant polypropylene film material |
| CN109762259A (en) * | 2018-12-18 | 2019-05-17 | 武汉金牛经济发展有限公司 | The polypropylene random copolymer material and preparation method thereof of modified polycarbonate enhancing |
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