CN102532706A - Preparation method of polypropylene composite material with high strength and high toughness - Google Patents
Preparation method of polypropylene composite material with high strength and high toughness Download PDFInfo
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- CN102532706A CN102532706A CN2011104423641A CN201110442364A CN102532706A CN 102532706 A CN102532706 A CN 102532706A CN 2011104423641 A CN2011104423641 A CN 2011104423641A CN 201110442364 A CN201110442364 A CN 201110442364A CN 102532706 A CN102532706 A CN 102532706A
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- 239000002131 composite material Substances 0.000 title claims abstract description 26
- -1 polypropylene Polymers 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000004743 Polypropylene Substances 0.000 title abstract description 29
- 229920001155 polypropylene Polymers 0.000 title abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 37
- 239000003607 modifier Substances 0.000 claims abstract description 12
- 229920001577 copolymer Polymers 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000005303 weighing Methods 0.000 claims abstract description 6
- 239000000314 lubricant Substances 0.000 claims abstract description 5
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 102220040412 rs587778307 Human genes 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 3
- 239000000600 sorbitol Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000003889 chemical engineering Methods 0.000 abstract description 2
- 239000012847 fine chemical Substances 0.000 abstract description 2
- 239000002667 nucleating agent Substances 0.000 abstract 2
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 235000006708 antioxidants Nutrition 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 description 5
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000012764 mineral filler Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 235000012204 lemonade/lime carbonate Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
Classifications
-
- 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
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
- B29C2948/92704—Temperature
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
A preparation method of a polypropylene composite material with high strength and high toughness belongs to the fields of chemical engineering and fine chemical industry. The preparation method comprises the following steps: weighing components according to the following mass percents: 10-45% of homopolymerized polypropylene, 10-25% of copolymerized polypropylene, 15-40% of copolymerized polypropylene, 9-16% of POE, 5-35% of polypropylene reinforcing toughening modifiers, 0.15-0.4% of nucleating agents, 0.25-0.55% of anti-oxidants, and 0.2-0.5% of lubricants; adding the weighed materials into a high-speed mixer, fully mixing at a speed of 1000 r/min for two minutes, releasing the materials; adding the mixed materials into a hopper of a double screw extruder, extruding the materials according to technological parameters to obtain the composite material particles. According to the polypropylene composite material of the invention, the crystallization state of polypropylene is changed by components of the polypropylene reinforcing toughening modifier, the ethane-octylene copolymer, the nucleating agent and the like, and thus mechanical properties such as strength and toughness of the composite material are changed.
Description
Technical field
The invention belongs to chemical engineering, field of fine chemical, particularly relate to a kind of preparation for processing that high-intensity high-tenacity adopts the matrix material that high polymeric compound produces that has.
Background technology
All the time, Vestolen PP 7052 receives plastic working industry practitioner's great attention owing to having excellent mechanical property in the prior art, is increasing the showing of plastics of main body thereby make in the life with the Vestolen PP 7052.Polyacrylic major advantage is that density is low, and intensity is high, good toughness, and heat-drawn wire is high.But itself also has certain defective, and is poor such as lower temperature resistance, and notched Izod impact strength is low, and stability to aging is poor, and shrinking percentage is big, and these shortcomings have restricted its application in life, production.Along with continuous progress in science and technology in recent years, it is found that much Vestolen PP 7052 has been carried out the method that modification improves its shortcoming, brings into play its advantage.Method to polypropylene toughening is mainly the interpolation interpolymer at present, like the multipolymer of ethene and propylene, toughner; Like terpolymer EP rubber (EPDM), ethylene-octene copolymer (POE), ethylene-propylene rubber(EPR) (EPR), styrene-butadiene-styrene block copolymer elastomericss such as (SBS), but these elastomeric flexible that are added in significant raising goods have lost its intensity simultaneously, and its intensity is descended significantly; Because the elastomerics price all compares costliness, institute brings pressure so that its cost rises to manufacturing enterprise simultaneously; So in recent years, people consider to adopt the mode of mineral filler to improve polyacrylic intensity and toughness; But find through a large amount of report, the general mineral filler of adopting or be thicker talcum powder of particle or lime carbonate, or be exactly the very thin nanometer inorganic filler of particle; These two kinds of addition manners all have its corresponding disadvantage, and first kind, though with low cost; It strengthens, toughness reinforcing effect but can't bring into play, and the performance of goods is no advantage; Second kind, because its particle particle is too thin, agglomeration often takes place, so can't bring into play the effect of its nano material, often need find suitable dispersion agent to make nano-calcium carbonate to be scattered in the superpolymer uniformly.
Summary of the invention
The present invention be intended to through a kind of be that polypropylene reinforced plasticized modifier and other toughner etc. of main body are used and prepare a kind of impact-resistant PP composite material with the nano-calcium carbonate.
A kind of preparation method of high-intensity high-tenacity PP composite material is characterized in that may further comprise the steps:
Step 1, with following eight kinds of material component weighings by mass percentage; HOPP T30S is 10%～45%, COPP K8303 is 10%～25%, COPP 7726 is 15%～40%, ethylene-octene copolymer POE is 8%～16%, Vestolen PP 7052 strengthens, plasticized modifier is 5%～35%, the antioxidant 1010 pentaerythritol ester is 0.25%～0.55%, the lubricant oxidation polyethylene wax is 0.2%～0.5%, nucleator SKC-Y5988 dibenzal sorbitol verivate is 0.15%～0.4%; The material that weighing finishes is put into high-speed mixer; Speed with 1000r/min is carried out thorough mixing; Discharge material after two minutes, for use;
Step 2, will discharge the material that mixes from high-speed mixer and put into the twin screw extruder hopper, material will be extruded into composite material granular according to following processing parameter;
One section 200 ℃ of machine barrels, two sections 210 ℃ of machine barrels, three sections 216 ℃ of machine barrels, four sections 218 ℃ of machine barrels, five sections 220 ℃ of machine barrels, one section 215 ℃ of heads, engine speed are that 18r/min, feeding rotating speed are 12r/min.
According to the composite material granular of processing parameter extrusion moulding, then this composite material granular is injection molded into the detection exemplar of standard in the described step 2, temperature is that 23 degree humidity are to place after 24 hours in 50 percent the standard environment to detect mechanical property.
Beneficial effect: PP composite material of the present invention; Change polyacrylic crystalline state through components such as polypropylene reinforced plasticized modifier, ethylene-octene copolymer (POE), nucleators, thus mechanical properties such as the intensity of change matrix material, toughness.Composite through several kinds of homopolymerizations and COPP; And in acrylic resin, add polypropylene reinforced plasticized modifier, and remedied because the strength degradation that the adding of ethylene-octene copolymer (POE) causes, significantly improved the tensile toughness and the tough of goods simultaneously; The adding of nucleator has changed polyacrylic crystalline state; Can shorten the shaping cycle of material, reduce shrinking percentage, thereby obtain a kind of PP composite material of high-intensity high-tenacity.The advantage of this material mechanical performance can make it be widely used in household electrical appliances, automobile and other industries.The mechanical property of its goods reaches fully or surpasses the regulation in the respective country standard.
Embodiment
The more excellent mass percent of eight kinds of material components of the present invention is following: HOPP T30S is 20%, COPP K8303 is 20%, COPP 7726 is 30%, ethylene-octene copolymer (POE) is 14%, the DLTC-PP-100 Vestolen PP 7052 strengthens, plasticized modifier is 15%, antioxidant 1010 is 0.3%, lubricant is 0.35%, nucleator SKC-Y5988 is 0.35%; Wherein oxidation inhibitor is pentaerythritol ester; Lubricant is an OPE, and nucleator is the dibenzal sorbitol verivate.
The preparation method of PP composite material of the present invention may further comprise the steps:
(1) above-mentioned listed various materials are put into high-speed mixer after the weighing in proportion, carry out thorough mixing, discharge material after two minutes with the speed of 1000r/min, for use;
(2) material that mixes is put in the twin screw extruder hopper, material is extruded into composite material granular according to listed processing parameter.
The expressing technique parameter of PP composite material of the present invention is seen table 1.
Table 1
Embodiment 1:
(1) HOPP (T30S) 0.42Kg, COPP (K8303) 0.21Kg, COPP (7726) 0.21Kg, ethylene-octene copolymer (POE) 0.10Kg, polypropylene reinforced plasticized modifier 0.05Kg, nucleator (SKC-Y5988) 2g, oxidation inhibitor (1010) 5g, OPE 3g put into high-speed mixer; Speed with 1000r/min is carried out thorough mixing; Discharge material after two minutes, for use;
(2) material that mixes is put in the twin screw extruder hopper; According to above-mentioned processing parameter material is extruded into composite material granular; Then this material is injection molded into the detection exemplar of standard, (the 23/50th, temperature 23 degree represented in the code name of state specified standards environment at 23/50 standard environment; Humidity 50) place after 24 hours in and detect mechanical property, its mechanical property result sees table 2.
Embodiment 2:
(1) HOPP (T30S) 0.35Kg, COPP (K8303) 0.25Kg, COPP (7726) 0.17Kg, ethylene-octene copolymer (POE) 0.12Kg, polypropylene reinforced plasticized modifier 0.10Kg, nucleator (SKC-Y5988) 2.5g, oxidation inhibitor (1010) 4.5g, OPE 3g put into high-speed mixer; Speed with 1000r/min is carried out thorough mixing; Discharge material after two minutes, for use;
(2) material that mixes is put in the twin screw extruder hopper; According to above-mentioned processing parameter material is extruded into composite material granular; Then this material is injection molded into the detection exemplar of standard, (the 23/50th, temperature 23 degree represented in the code name of state specified standards environment at 23/50 standard environment; Humidity 50) place after 24 hours in and detect mechanical property, its mechanical property result sees table 2.
Embodiment 3:
(1) HOPP (T30S) 0.2Kg, COPP (K8303) 0.2Kg, COPP (7726) 0.3Kg, ethylene-octene copolymer (POE) 0.14Kg, polypropylene reinforced plasticized modifier 0.15Kg, nucleator (SKC-Y5988) 3g, oxidation inhibitor (1010) 3.5g, OPE 3.5g put into high-speed mixer; Speed with 1000r/min is carried out thorough mixing; Discharge material after two minutes, for use;
(2) material that mixes is put in the twin screw extruder hopper; According to above-mentioned processing parameter material is extruded into composite material granular; Then this material is injection molded into the detection exemplar of standard, (the 23/50th, temperature 23 degree represented in the code name of state specified standards environment at 23/50 standard environment; Humidity 50) place after 24 hours in and detect mechanical property, its mechanical property result sees table 2.
Embodiment 4:
(1) HOPP (T30S) 0.10Kg, COPP (K8303) 0.14Kg, COPP (7726) 0.35Kg, ethylene-octene copolymer (POE) 0.15Kg, polypropylene reinforced plasticized modifier 0.25Kg, nucleator (SKC-Y5988) 3.5g, oxidation inhibitor (1010) 3g, OPE 3.5g put into high-speed mixer; Speed with 1000r/min is carried out thorough mixing; Discharge material after two minutes, for use;
(2) material that mixes is put in the twin screw extruder hopper; According to above-mentioned processing parameter material is extruded into composite material granular; Then this material is injection molded into the detection exemplar of standard, (the 23/50th, temperature 23 degree represented in the code name of state specified standards environment at 23/50 standard environment; Humidity 50) place after 24 hours in and detect mechanical property, its mechanical property result sees table 2.
Claims (2)
1. the preparation method of a high-intensity high-tenacity PP composite material is characterized in that may further comprise the steps:
Step 1, with following eight kinds of material component weighings by mass percentage; HOPP T30S is 10%～45%, COPP K8303 is 10%～25%, COPP 7726 is 15%～40%, ethylene-octene copolymer POE is 8%～16%, Vestolen PP 7052 strengthens, plasticized modifier is 5%～35%, the antioxidant 1010 pentaerythritol ester is 0.25%～0.55%, the lubricant oxidation polyethylene wax is 0.2%～0.5%, nucleator SKC-Y5988 dibenzal sorbitol verivate is 0.15%～0.4%; The material that weighing finishes is put into high-speed mixer; Speed with 1000r/min is carried out thorough mixing; Discharge material after two minutes, for use;
Step 2, will discharge the material that mixes from high-speed mixer and put into the twin screw extruder hopper, material will be extruded into composite material granular according to following processing parameter;
One section 200 ℃ of machine barrels, two sections 210 ℃ of machine barrels, three sections 216 ℃ of machine barrels, four sections 218 ℃ of machine barrels, five sections 220 ℃ of machine barrels, one section 215 ℃ of heads, engine speed are that 18r/min, feeding rotating speed are 12r/min.
2. the preparation method of a kind of high-intensity high-tenacity PP composite material according to claim 1; It is characterized in that: in the described step 2 according to the composite material granular of processing parameter extrusion moulding; Then this composite material granular is injection molded into the detection exemplar of standard, temperature is that 23 degree humidity are to place after 24 hours in 50 percent the standard environment to detect mechanical property.
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| CN2011104423641A CN102532706B (en) | 2011-12-26 | 2011-12-26 | Preparation method of polypropylene composite material with high strength and high toughness |
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| CN2011104423641A CN102532706B (en) | 2011-12-26 | 2011-12-26 | Preparation method of polypropylene composite material with high strength and high toughness |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788872A (en) * | 2014-01-17 | 2015-07-22 | 汉达精密电子(昆山)有限公司 | Polypropylene resin composition and product thereof |
| CN106693518A (en) * | 2016-12-26 | 2017-05-24 | 浙江金鸟压滤机有限公司 | Filter plate and production technology thereof |
| CN109370058A (en) * | 2018-11-12 | 2019-02-22 | 天津柯文实业股份有限公司 | A kind of polypropylene modified material and preparation method thereof |
| CN110128748A (en) * | 2019-05-16 | 2019-08-16 | 苏州博利迈新材料科技有限公司 | A kind of high-toughness polypropylene material and preparation method thereof |
| CN114621525A (en) * | 2022-04-19 | 2022-06-14 | 北鸿科(天津)科技有限公司 | Halogen-free flame-retardant reinforced polypropylene, preparation method and application in new energy field |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693777A (en) * | 2009-09-18 | 2010-04-14 | 苏州禾盛新型材料股份有限公司 | Material for vehicle bumper and preparation method thereof |
-
2011
- 2011-12-26 CN CN2011104423641A patent/CN102532706B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693777A (en) * | 2009-09-18 | 2010-04-14 | 苏州禾盛新型材料股份有限公司 | Material for vehicle bumper and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788872A (en) * | 2014-01-17 | 2015-07-22 | 汉达精密电子(昆山)有限公司 | Polypropylene resin composition and product thereof |
| CN106693518A (en) * | 2016-12-26 | 2017-05-24 | 浙江金鸟压滤机有限公司 | Filter plate and production technology thereof |
| CN109370058A (en) * | 2018-11-12 | 2019-02-22 | 天津柯文实业股份有限公司 | A kind of polypropylene modified material and preparation method thereof |
| CN110128748A (en) * | 2019-05-16 | 2019-08-16 | 苏州博利迈新材料科技有限公司 | A kind of high-toughness polypropylene material and preparation method thereof |
| CN114621525A (en) * | 2022-04-19 | 2022-06-14 | 北鸿科(天津)科技有限公司 | Halogen-free flame-retardant reinforced polypropylene, preparation method and application in new energy field |
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| Publication number | Publication date |
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| CN102532706B (en) | 2013-08-21 |
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