CN102336968A - Modified polypropylene composite material and preparation method thereof - Google Patents

Modified polypropylene composite material and preparation method thereof Download PDF

Info

Publication number
CN102336968A
CN102336968A CN2011102790970A CN201110279097A CN102336968A CN 102336968 A CN102336968 A CN 102336968A CN 2011102790970 A CN2011102790970 A CN 2011102790970A CN 201110279097 A CN201110279097 A CN 201110279097A CN 102336968 A CN102336968 A CN 102336968A
Authority
CN
China
Prior art keywords
districts
modified polypropylene
polypropylene composite
compatilizer
twin screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011102790970A
Other languages
Chinese (zh)
Inventor
方舟
李进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery Automobile Co Ltd
Original Assignee
Chery Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chery Automobile Co Ltd filed Critical Chery Automobile Co Ltd
Priority to CN2011102790970A priority Critical patent/CN102336968A/en
Publication of CN102336968A publication Critical patent/CN102336968A/en
Pending legal-status Critical Current

Links

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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/92—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
    • B29C2948/92704—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

Abstract

The invention relates to a modified polypropylene composite material and a preparation method thereof. The method comprises the following steps: weighing raw materials according to quality ratio; mixing nanometer montmorillonite, polypropylene and compatilizer by a high-speed mixer for 5min, then adding polypropylene, flexibilizer, antioxidant and masterbatch into the mixer to be mixed for 10min, and adding mixed material into a main feed hopper of a double-screw extruder; filling hollow glass microballoons into a double-screw side feed port; setting the temperature of each temperature zone of the double-screw extruder and the rotating speed of a main machine; and extruding for pelletizing, drying and dicing.

Description

A kind of modified polypropylene composite material and preparation method thereof
Technical field
The present invention relates to a kind of modified polypropylene composite material and preparation method thereof; Be specifically related to a kind of nano imvite, hollow glass microballoon filled modified polypropylene matrix material and preparation method thereof; Belong to technical field of polymer materials, be fit to make parts such as fascia, door shield, collision bumper, column backplate.
Background technology
The nano imvite staple is a silicate, and the thickness of lamella is generally below 100nm.In their one lamella homodisperse polypropylene matrix, the performance of composites index can promote to some extent.The research of relevant melt polypropylene intercalation is less; Its reason possibly be that nonpolar polypropylene molecule is difficult to be inserted in the very strong layered silicate lamella of polarity; The present invention is through adding hollow glass microballoon; Improve the flowability of matrix material, make polypropylene molecule be easier to be inserted in the silicate lamella of nano imvite.The adding hollow glass microballoon can alleviate the density of matrix material simultaneously.
Modified polypropylene material uses on automobile component in a large number, the invention provides a kind of high rigidity, high-impact, low-density PP composite material, to mould Dai Gang, energy-saving and emission-reduction, important effect is arranged for automotive material.
Related patent U.S. Patent No.:
CN101747553A nano power cable insulating material of montmorillonite, modified crosslinking agent and polyethylene and preparation method thereof
The preparation method of the in-situ inserted polymkeric substance of CN1438255 nano imvite-vinylbenzene
The preparation method of a CN101081928 polyamide/nano montmorillonite masterbatch
The preparation method of a CN1931921 nylon MXD 6/nano montmorillonite composite material
CN101775173A PP composite material and preparation method thereof.
Summary of the invention
The objective of the invention is to propose a kind of high rigidity, high-impact, high heat distortion temperature, low-density PP composite material and preparation method thereof.
The present invention mixes nano imvite and is filled to polypropylene material with double glazing, to improve the rigidity of PP composite material, reduced the density of PP composite material simultaneously.
Specifically, the object of the present invention is to provide a kind of
Concrete technical scheme is following:
A kind of modified polypropylene composite material; According to quality proportioning blending ingredients, comprise the hollow glass microballoon of 40～90wt% Vestolen PP 7052,0～30wt% toughner, 1～5wt%, the nano imvite of 1～5wt%, the oxidation inhibitor of 0.3～0.5wt%, the Masterbatch of 1wt%, the compatilizer of 0.5～3wt%.
Further, said polypropylene material is HOPP and/or COPP.
Further, said toughner is one or more in the following polymers: ethylene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, styrene-butadiene copolymer, hydrogenant ethylene-butadiene-styrene multipolymer and propylene-ethylene graft copolymer.
Further, said hollow glass microballoon density is 0.125g/cc～0.60g/cc, and softening temperature is 600 ℃, and ultimate compression strength is 250psi-18000psi.
Further, in the said nano imvite: smectite content is 96%～98%, and average wafer thickness is less than 25nm.
Further, said oxidation inhibitor is antioxidant 1010 and oxidation inhibitor 168 composite forming.
Further, said compatilizer is one or more in the following compatilizer: maleic anhydride, silane coupling agent, aluminic acid lipoprotein coupling agent and titanate coupling agent.
The preparation method of above-mentioned modified polypropylene composite material, adopt following steps:
(1) takes by weighing raw material by the quality proportioning;
(2) nano imvite, Vestolen PP 7052, compatilizer are mixed stirring 5min under impeller, again Vestolen PP 7052, toughner, oxidation inhibitor, Masterbatch are added stirrer and stir 10min, mixture is added in the twin screw extruder master feed hopper;
(3) dose hollow glass microballoon at twin screw side spout place;
(4) set twin screw extruder each warm area temperature and engine speed;
(5) extruding pelletization, dry pelletizing.
Further, setting each warm area temperature of twin screw extruder and engine speed are in the step (4): 170 ℃ in a district, 180 ℃ in two districts, 185 ℃ in three districts; 190 ℃ in four districts, 195 ℃ in five districts, 200 ℃ in six districts, 200 ℃ in seven districts; 190 ℃ in eight districts, 185 ℃ in nine districts, engine speed 100～200rpm.
Compare with present prior art, the present invention improves the flowability of matrix material through adding hollow glass microballoon, makes polypropylene molecule be easier to be inserted in the silicate lamella of nano imvite.The adding hollow glass microballoon can alleviate the density of matrix material simultaneously
Embodiment
Describe the present invention below, it is a kind of preferred embodiment in the numerous embodiments of the present invention.
Embodiment 1:
With the 5wt% Vestolen PP 7052, the nano imvite of 1wt% stirs 5min in the maleic anhydride adding impeller of 1.5wt%; Again with the 78wt% Vestolen PP 7052,10wt%POE, the Masterbatch of 1wt%; Stir 10min in the oxidation inhibitor adding stirrer of 0.5wt%; The said mixture material is added in the twin screw extruder master feeding, dose the hollow glass microballoon of 3wt% at twin screw dedicated side spout place, processing temperature is set as follows:
170 ℃ in one district, 180 ℃ in two districts, 185 ℃ in three districts, 190 ℃ in four districts, 195 ℃ in five districts, 200 ℃ in six districts, 200 ℃ in seven districts, 190 ℃ in eight districts, 185 ℃ in nine districts, engine speed 150rpm.
Embodiment 2:
With the 5wt% Vestolen PP 7052, the nano imvite of 3wt% stirs 5min in the maleic anhydride adding impeller of 1.5wt%; Again with the 76wt% Vestolen PP 7052,10wt%POE, the Masterbatch of 1wt%; Stir 10min in the oxidation inhibitor adding stirrer of 0.5wt%; The said mixture material is added in the twin screw extruder master feeding, dose the hollow glass microballoon of 3wt% at twin screw dedicated side spout place, processing temperature is set as follows:
170 ℃ in one district, 180 ℃ in two districts, 185 ℃ in three districts, 190 ℃ in four districts, 195 ℃ in five districts, 200 ℃ in six districts, 200 ℃ in seven districts, 190 ℃ in eight districts, 185 ℃ in nine districts, engine speed 150rpm.
Embodiment 3:
With the 5wt% Vestolen PP 7052, the nano imvite of 5wt% stirs 5min in the maleic anhydride adding impeller of 1.5wt%; Again with the 74wt% Vestolen PP 7052,10wt%POE, the Masterbatch of 1wt%; Stir 10min in the oxidation inhibitor adding stirrer of 0.5wt%; The said mixture material is added in the twin screw extruder master feeding, dose the hollow glass microballoon of 3wt% at twin screw dedicated side spout place, processing temperature is set as follows:
170 ℃ in one district, 180 ℃ in two districts, 185 ℃ in three districts, 190 ℃ in four districts, 195 ℃ in five districts, 200 ℃ in six districts, 200 ℃ in seven districts, 190 ℃ in eight districts, 185 ℃ in nine districts, engine speed 150rpm
Comparative Examples 1 (current material):
The talcum powder of 10wt%, the maleic anhydride of 1.5wt%, the 77wt% Vestolen PP 7052,10wt%POE, the Masterbatch of 1wt% stirs 15min in the oxidation inhibitor adding stirrer of 0.5wt%, and processing temperature is set as follows:
170 ℃ in one district, 180 ℃ in two districts, 185 ℃ in three districts, 190 ℃ in four districts, 195 ℃ in five districts, 200 ℃ in six districts, 200 ℃ in seven districts, 190 ℃ in eight districts, 185 ℃ in nine districts, engine speed 150rpm
Embodiment and the contrast of Comparative Examples performance perameter
Can find out that from embodiment 1,2,3 and Comparative Examples 1 (current material) contrast each item performance of matrix material all has greatly improved behind adding nano imvite and the hollow glass microballoon, and the content of polynite each item performance index when 3wt% reach peak.
Above the present invention has been carried out exemplary description; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having adopted method of the present invention design and technical scheme to carry out, or directly apply to other occasion without improvement, all within protection scope of the present invention.

Claims (9)

1. modified polypropylene composite material; It is characterized in that; According to quality proportioning blending ingredients, comprise the hollow glass microballoon of 40～90wt% Vestolen PP 7052,0～30wt% toughner, 1～5wt%, the nano imvite of 1～5wt%, the oxidation inhibitor of 0.3～0.5wt%, the Masterbatch of 1wt%, the compatilizer of 0.5～3wt%.
2. modified polypropylene composite material as claimed in claim 1 is characterized in that, said polypropylene material is HOPP and/or COPP.
3. according to claim 1 or claim 2 modified polypropylene composite material; It is characterized in that said toughner is one or more in the following polymers: ethylene-propylene-octene terpolymer, ethylene-propylene-butadiene terpolymer, styrene-butadiene copolymer, hydrogenant ethylene-butadiene-styrene multipolymer and propylene-ethylene graft copolymer.
4. like each described modified polypropylene composite material among the claim 1-3, it is characterized in that said hollow glass microballoon density is 0.125g/cc～0.60g/cc, softening temperature is 600 ℃, and ultimate compression strength is 250psi-18000psi.
5. like each described modified polypropylene composite material among the claim 1-4, it is characterized in that in the said nano imvite: smectite content is 96%～98%, and average wafer thickness is less than 25nm.
6. like each described modified polypropylene composite material among the claim 1-5, it is characterized in that said oxidation inhibitor is antioxidant 1010 and oxidation inhibitor 168 composite forming.
7. like each described modified polypropylene composite material among the claim 1-6, it is characterized in that said compatilizer is one or more in the following compatilizer: maleic anhydride, silane coupling agent, aluminic acid lipoprotein coupling agent and titanate coupling agent.
8. like the preparation method of the said modified polypropylene composite material of claim 1-7, it is characterized in that, adopt following steps:
(1) takes by weighing raw material by the quality proportioning;
(2) nano imvite, Vestolen PP 7052, compatilizer are mixed stirring 5min under impeller, again Vestolen PP 7052, toughner, oxidation inhibitor, Masterbatch are added stirrer and stir 10min, mixture is added in the twin screw extruder master feed hopper;
(3) dose hollow glass microballoon at twin screw side spout place;
(4) set twin screw extruder each warm area temperature and engine speed;
(5) extruding pelletization, dry pelletizing.
9. like the preparation method of the said modified polypropylene composite material of claim 8, it is characterized in that setting each warm area temperature of twin screw extruder and engine speed are in the step (4): 170 ℃ in a district; 180 ℃ in two districts, 185 ℃ in three districts, 190 ℃ in four districts; 195 ℃ in five districts, 200 ℃ in six districts, 200 ℃ in seven districts; 190 ℃ in eight districts, 185 ℃ in nine districts, engine speed 100～200rpm.
CN2011102790970A 2011-09-20 2011-09-20 Modified polypropylene composite material and preparation method thereof Pending CN102336968A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011102790970A CN102336968A (en) 2011-09-20 2011-09-20 Modified polypropylene composite material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011102790970A CN102336968A (en) 2011-09-20 2011-09-20 Modified polypropylene composite material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN102336968A true CN102336968A (en) 2012-02-01

Family

ID=45512941

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011102790970A Pending CN102336968A (en) 2011-09-20 2011-09-20 Modified polypropylene composite material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN102336968A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105037954A (en) * 2015-07-02 2015-11-11 金发科技股份有限公司 Overpressure-resistant polypropylene thermal insulation material, preparation method and applications thereof
CN105482259A (en) * 2016-01-15 2016-04-13 重庆市韵诚塑料防腐设备有限公司 Anti-aging PPH (polypropylene homopolymer) material
CN105504512A (en) * 2016-01-05 2016-04-20 苏州润佳工程塑料股份有限公司 Shallow-sink-mark reinforced polypropylene material and preparing method thereof
CN106273021A (en) * 2016-08-12 2017-01-04 北京汽车集团有限公司 The preparation method of a kind of hollow core and hollow core and preparing the purposes of automobile structure
CN109749182A (en) * 2017-11-01 2019-05-14 神华集团有限责任公司 The composition of light accumulation type polyethylene, light accumulation type polythene material and its preparation method and application
US10385193B2 (en) 2013-12-30 2019-08-20 3M Innovative Properties Company Polyolefin composition including hollow glass microspheres and method of using the same
CN110358193A (en) * 2019-08-22 2019-10-22 苏州润佳工程塑料股份有限公司 A kind of polypropylene material of surface good attachment
CN110746691A (en) * 2019-10-28 2020-02-04 贵州省材料产业技术研究院 Modified polypropylene composite material for pipeline and preparation method and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
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
CN101775173A (en) * 2010-02-25 2010-07-14 奇瑞汽车股份有限公司 Polypropylene composite material and preparation method thereof
CN102108175A (en) * 2009-12-25 2011-06-29 上海普利特复合材料股份有限公司 Low-gloss high-rigidity polypropylene compound material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
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
CN102108175A (en) * 2009-12-25 2011-06-29 上海普利特复合材料股份有限公司 Low-gloss high-rigidity polypropylene compound material and preparation method thereof
CN101775173A (en) * 2010-02-25 2010-07-14 奇瑞汽车股份有限公司 Polypropylene composite material and preparation method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10385193B2 (en) 2013-12-30 2019-08-20 3M Innovative Properties Company Polyolefin composition including hollow glass microspheres and method of using the same
CN105037954B (en) * 2015-07-02 2018-05-18 金发科技股份有限公司 A kind of pressure-resistant polypropylene thermal insulation material and its preparation method and application
CN105037954A (en) * 2015-07-02 2015-11-11 金发科技股份有限公司 Overpressure-resistant polypropylene thermal insulation material, preparation method and applications thereof
CN105504512A (en) * 2016-01-05 2016-04-20 苏州润佳工程塑料股份有限公司 Shallow-sink-mark reinforced polypropylene material and preparing method thereof
CN105482259A (en) * 2016-01-15 2016-04-13 重庆市韵诚塑料防腐设备有限公司 Anti-aging PPH (polypropylene homopolymer) material
CN106273021A (en) * 2016-08-12 2017-01-04 北京汽车集团有限公司 The preparation method of a kind of hollow core and hollow core and preparing the purposes of automobile structure
CN109749182A (en) * 2017-11-01 2019-05-14 神华集团有限责任公司 The composition of light accumulation type polyethylene, light accumulation type polythene material and its preparation method and application
CN110358193A (en) * 2019-08-22 2019-10-22 苏州润佳工程塑料股份有限公司 A kind of polypropylene material of surface good attachment
CN110746691A (en) * 2019-10-28 2020-02-04 贵州省材料产业技术研究院 Modified polypropylene composite material for pipeline and preparation method and application thereof

Similar Documents

Publication Publication Date Title
CN102336968A (en) Modified polypropylene composite material and preparation method thereof
Klapiszewski et al. Influence of processing conditions on the thermal stability and mechanical properties of PP/silica-lignin composites
CN101712779B (en) Polypropylene nano composite material and preparation method thereof
US8262925B2 (en) Method for producing a phase-change material composition
CN101693777B (en) Material for vehicle bumper and preparation method thereof
CN102218879B (en) Waste polypropylene-modified foaming plate and manufacturing method thereof
CN102516639A (en) Modified polypropylene composite material and preparation method thereof
CN102516663A (en) Polypropylene nanocomposite material with high intensity and super high toughness as well as its preparation method
CN101712780A (en) Low-density, high-rigidity and high-tenacity polypropylene nano composite material and preparation method thereof
WO2005056644A2 (en) Nanoclay-containing composites and methods of making them
US10808109B2 (en) Highly filled polymeric concentrates
CN101704969A (en) Wood plastic composite for injection and preparation method and application thereof
CN111051421A (en) Polyolefin resin composite material containing cellulose fibers dispersed therein, pellet and molded article using the same, and method for producing polyolefin resin composite material containing cellulose fibers dispersed therein
CN100451056C (en) Process for preparing predispersed masterbatch of polyolefin and nano calcium carbonate
CN101955604B (en) Polyolefin-based nanoscale talcpowder function matrix and manufacturing equipment thereof
CN102558803A (en) Automobile bumper material and preparation method thereof
CN106243516A (en) The Pulvis Talci of a kind of high flowing high-impact strengthens PP material and preparation method
KR102181876B1 (en) Manufacturing method of composite resin composition using waste separator for secondary battery
CN102807708A (en) Aedelforsite powder modified filling master batch applied to flat silks and method for producing flat silks
CN100478394C (en) Nano attapulgite clay composition for modified engineered plastic
CN106147009A (en) A kind of filler parent granule prepared by regenerating polypropylene and preparation method thereof
CN109467814B (en) Composite mineral fiber filled polypropylene composite material and preparation method thereof
CN106220991A (en) A kind of low temperature resistant PP material and preparation technology thereof
CN107955270B (en) Polypropylene nano composite material and preparation method thereof
CN106700236A (en) Polypropylene filling master batch and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120201