CN102010547A - Mineral/long glass fiber reinforced polypropylene composite material and preparation method thereof - Google Patents
Mineral/long glass fiber reinforced polypropylene composite material and preparation method thereof Download PDFInfo
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- CN102010547A CN102010547A CN2010106022951A CN201010602295A CN102010547A CN 102010547 A CN102010547 A CN 102010547A CN 2010106022951 A CN2010106022951 A CN 2010106022951A CN 201010602295 A CN201010602295 A CN 201010602295A CN 102010547 A CN102010547 A CN 102010547A
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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
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
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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
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
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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
- B29C48/78—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
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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
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- 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
-
- 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
- B29C2948/92895—Barrel or housing
-
- 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
- B29C2948/92933—Conveying, transporting or storage of articles
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- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the field of high molecular materials and molding thereof, and relates to a mineral/long glass fiber reinforced polypropylene composite material and a preparation method thereof. The mineral/long glass fiber reinforced polypropylene composite material comprises the following components in percentage by weight: 40-60% of long glass fiber reinforced polypropylene master batch, 20-50% of mineral master batch and 0-30% of polypropylene resin. The preparation method comprises the following steps: proportionally weighing long glass fiber reinforced polypropylene master batch, mineral master batch and polypropylene resin, and mixing; and drying the mixture at 90 DEG C for 3 hours, and carrying out injection molding, wherein the conditions of the injection molding machine are as follows: the temperature of a first region is 200-220 DEG C, the temperature of a second region is 230-240 DEG C, the temperature of a third region is 240-250 DEG C, the temperature of a fourth region is 245-255 DEG C, the pressure is 60-90 MPa, and the speed is 30-50 mm/s. The product has the advantages of excellent comprehensive performance, high dimensional stability and favorable mechanical properties.
Description
Technical field
The invention belongs to macromolecular material and forming process field thereof, relate to a kind of polypropylene composite material and preparation method thereof, a kind of specifically mineral and long glass fiber reinforced polypropylene composite material and preparation method thereof.
Background technology
Long glass fiber reinforced polypropylene material has advantages such as high strength, high rigidity, high notched Izod impact strength, short-term heat resistance and anti-dynamic fatigue property are good, is widely used in fields such as household electrical appliance, automobile component, textile industry because of its high performance-price ratio.Yet the importing of long glass fibres has but caused other shaping problem, when that is exactly the big goods of injection moulding size, serious buckling deformation problem can occur.Along with the application of long glass fiber reinforced polypropylene at automotive field constantly enlarges, demand to massive article is increasing, requirement to dimensional precision is also more and more higher, and this glass-reinforced polypropylene of will rectificating has certain precision and dimensional stability, to satisfy the demand in this field.
Because the viscosity of acrylic resin melt is bigger, the dipping difficulty, each big roving glass fiber reinforced thermoplastics(RTP) production firm main research work of the world concentrates on the dipping technique aspect for a long time, the fundamental difference of the Different Preparation of various long glass fibres reinforced thermoplastics(RTP)s is the different of dipping method and impregnation technology, but currently used dipping technique, comprise the response type impregnation technology, solvent impregnated technology, powder impregnation technology, mix to compile and spin impregnation technology and melt impregnating process, because the affiliation that adds of mineral is risen the viscosity of matrix, this will cause that matrix resin is to the increase of glass fiber impregnated difficulty in the preparation process, and reason such as complex manufacturing, be not suitable for directly preparing mineral and long glass fiber reinforced polypropylene composite material.In addition, along with progressively lightweight of the component that have structural function in the automobile, the requirement of size and precision is become very strict.
Existing disclosed preparation continuous long glass fiber reinforced profax matrix material.Patent 200610033859.8, patent 200810020936.5 grades have all been prepared long glass fiber reinforced polypropylene composite material, but for the R and D of the matrix material of mineral master batch and long glass fiber reinforced polypropylene master batch report not also.
Summary of the invention
Technical problem to be solved by this invention is: at the shortcoming of above prior art existence, a kind of mineral and long glass fiber reinforced polypropylene composite material and preparation method thereof are proposed, over-all properties is than more excellent, and dimensional stability is good, has mechanical property preferably.
The technical scheme that the present invention solves above technical problem is:
Mineral and long glass fiber reinforced polypropylene composite material, composed of the following components by weight percentage: long glass fiber reinforced polypropylene master batch 40-60%, mineral master batch 20-50 %, acrylic resin 0-30%.
The preparation method of mineral and long glass fiber reinforced polypropylene composite material, carry out according to the following steps:
⑴ join polypropylene, compatilizer, oxidation inhibitor that to make it thorough mixing in the mixing machine even, the mixture that obtains is joined in the twin screw extruder, resin melt is clamp-oned in the impregnation mold that is connected with the twin screw extruder head, then long glass fibres is passed through impregnation mold, long glass fibres is fully flooded by melt, cool off at last, traction, pelletizing, promptly obtain the long glass fiber reinforced polypropylene master batch;
⑵ mix after polypropylene, mineral, oxidation inhibitor and lubricant are weighed in proportion, makes the mineral master batch through 180～220 ℃ of twin screw extruder extruding pelletizations;
⑶ mix after long glass fiber reinforced polypropylene master batch, mineral master batch and acrylic resin are weighed in proportion;
⑷ dry the mixture that step ⑶ obtains 2～3 hours at 85～90 ℃, injection moulding, wherein, the working conditions of injection moulding machine is: a district temperature 200-220 ℃, two district's temperature are 230-240 ℃, and three district's temperature are 240-250 ℃, and four district's temperature are 245-255 ℃, pressure is 60-90MPa, and speed is 30-50mm/s.
The importing of long glass fibres, but caused other shaping problem, when that is exactly the big goods of injection moulding size, serious buckling deformation problem can appear, mineral and long glass fiber reinforced polypropylene are made master batch earlier, again master batch is mixed, can effectively improve buckling deformation, increase the dimensional stability of goods.
The technical scheme that the present invention further limits is:
Aforesaid mineral and long glass fiber reinforced polypropylene composite material, the consumption of polypropylene and long glass fibres is respectively 40-60wt% and 40-60wt% in the long glass fiber reinforced polypropylene master batch.
Aforesaid mineral and long glass fiber reinforced polypropylene composite material, the mineral master batch is composed of the following components: polipropene 25-50wt%, mineral 50-75wt%, oxidation inhibitor 0.1-1.0wt%, lubricant 0.2-3.0wt%.
Aforesaid mineral and long glass fiber reinforced polypropylene composite material, mineral are one or more the mixture in talcum powder, mica, lime carbonate, barium sulfate, wollastonite and the glass microballon.
Aforesaid mineral and long glass fiber reinforced polypropylene composite material, oxidation inhibitor can be one or more the mixtures in antioxidant 1010, oxidation inhibitor 944, oxidation inhibitor 327, oxidation inhibitor 168, the oxidation inhibitor 1790.Lubricant can be one or more the mixture in lubricant PE wax, lubricant stearic acid wax, lubricant EBS, the silicone lubricant.
Advantage of the present invention is: it is enhancement component that the present invention adopts the long glass fiber reinforced polypropylene master batch, reach the purpose that improves product size stability and reduce buckling deformation by directly mixing through the injection moulding machine moulded products with the mineral master batch, simple to operate, with low cost.The mineral of the present invention preparation and long glass fiber reinforced polypropylene composite material have preferably outside the dimensional stability and product molding precision, have kept mechanical property preferably.
Along with progressively lightweight of the component that have structural function in the automobile, requirement to size and precision becomes very strict, and the compound of long glass fiber reinforced polypropylene master batch and mineral master batch can effectively address this problem, to become the main flow of compound roving glass fiber strongthener in the coming years, to satisfy automotive field to dimensional stability and safe requirement.
Embodiment
Embodiment one
Present embodiment is a kind of mineral and long glass fiber reinforced polypropylene composite material, and is composed of the following components by weight percentage: long glass fiber reinforced polypropylene master batch 40%, mineral master batch 40 %, acrylic resin 20%.
The consumption of polypropylene and long glass fibres is respectively 50wt% and 50wt% in the long glass fiber reinforced polypropylene master batch.
The mineral master batch is composed of the following components: polipropene 25 wt%, mineral 73.4wt%, oxidation inhibitor 0.6wt%, lubricant 1wt%.Mineral are talcum powder, and oxidation inhibitor is 1010 and 168, and lubricant is EBS.
The preparation method of mineral and long glass fiber reinforced polypropylene composite material, carry out according to the following steps:
⑴ join polypropylene, compatilizer, oxidation inhibitor that to make it thorough mixing in the mixing machine even, the mixture that obtains is joined in the twin screw extruder, resin melt is clamp-oned in the impregnation mold that is connected with the twin screw extruder head, then long glass fibres is passed through impregnation mold, long glass fibres is fully flooded by melt, cool off at last, traction, pelletizing, promptly obtain the long glass fiber reinforced polypropylene pellet;
⑵ mix after polypropylene, mineral, oxidation inhibitor and lubricant are weighed in proportion, makes the mineral master batch through 180 ℃ of twin screw extruder extruding pelletizations;
⑶ mix after long glass fiber reinforced polypropylene master batch, mineral master batch and acrylic resin are weighed in proportion;
⑷ dry the mixture that step ⑶ obtains 2 hours at 85 ℃, injection moulding, wherein, the working conditions of injection moulding machine is: 200 ℃ of district's temperature, and two district's temperature are 230 ℃, three district's temperature are 240 ℃, four district's temperature are 245 ℃, and pressure is 60MPa, and speed is 30mm/s.
Embodiment two
Present embodiment is a kind of mineral and long glass fiber reinforced polypropylene composite material, and is composed of the following components by weight percentage: long glass fiber reinforced polypropylene master batch 60%, mineral master batch 30 %, acrylic resin 10%.
The consumption of polypropylene and long glass fibres is respectively 40wt% and 60wt% in the long glass fiber reinforced polypropylene master batch.
The mineral master batch is composed of the following components: polypropylene 30wt%, mineral 66wt%, oxidation inhibitor 1wt%, lubricant 3wt%.Mineral are mica and lime carbonate, and oxidation inhibitor is 1010 and 168, and lubricant is EBS.
The preparation method of mineral and long glass fiber reinforced polypropylene composite material, carry out according to the following steps:
⑴ join polypropylene, compatilizer, oxidation inhibitor that to make it thorough mixing in the mixing machine even, the mixture that obtains is joined in the twin screw extruder, resin melt is clamp-oned in the impregnation mold that is connected with the twin screw extruder head, then long glass fibres is passed through impregnation mold, long glass fibres is fully flooded by melt, cool off at last, traction, pelletizing, promptly obtain the long glass fiber reinforced polypropylene pellet;
⑵ mix after polypropylene, mineral, oxidation inhibitor and lubricant are weighed in proportion, makes the mineral master batch through 200 ℃ of twin screw extruder extruding pelletizations;
⑶ mix after long glass fiber reinforced polypropylene master batch, mineral master batch and acrylic resin are weighed in proportion;
⑷ dry the mixture that step ⑶ obtains 2.5 hours at 88 ℃, injection moulding, wherein, the working conditions of injection moulding machine is: 210 ℃ of district's temperature, and two district's temperature are 235 ℃, three district's temperature are 245 ℃, four district's temperature are 250 ℃, and pressure is 70MPa, and speed is 40mm/s.
Embodiment three
Present embodiment is a kind of mineral and long glass fiber reinforced polypropylene composite material, and is composed of the following components by weight percentage: long glass fiber reinforced polypropylene master batch 50%, mineral master batch 20 %, acrylic resin 30%.
The consumption of polypropylene and long glass fibres is respectively 60wt% and 40wt% in the long glass fiber reinforced polypropylene master batch.
The mineral master batch is composed of the following components: polypropylene 40wt%, mineral 59.7wt%, oxidation inhibitor 0.1wt%, lubricant 0.2wt%.Mineral are wollastonite, and oxidation inhibitor is 1010 and 168, and lubricant is EBS.
The preparation method of mineral and long glass fiber reinforced polypropylene composite material, carry out according to the following steps:
⑴ join polypropylene, compatilizer, oxidation inhibitor that to make it thorough mixing in the mixing machine even, the mixture that obtains is joined in the twin screw extruder, resin melt is clamp-oned in the impregnation mold that is connected with the twin screw extruder head, then long glass fibres is passed through impregnation mold, long glass fibres is fully flooded by melt, cool off at last, traction, pelletizing, promptly obtain the long glass fiber reinforced polypropylene pellet.
⑵ mix after polypropylene, mineral, oxidation inhibitor and lubricant are weighed in proportion, makes the mineral master batch through 220 ℃ of twin screw extruder extruding pelletizations;
⑶ mix after long glass fiber reinforced polypropylene master batch, mineral master batch and acrylic resin are weighed in proportion;
⑷ dry the mixture that step ⑶ obtains 3 hours at 90 ℃, injection moulding, wherein, the working conditions of injection moulding machine is: 220 ℃ of district's temperature, and two district's temperature are 240 ℃, three district's temperature are 250 ℃, four district's temperature are 255 ℃, and pressure is 90MPa, and speed is 50mm/s.
The performance of this example product such as following table
The present invention can also have other embodiment, and the technical scheme that equal replacement of all employings or equivalent transformation form all drops within the scope of protection of present invention.
Claims (7)
1. mineral and long glass fiber reinforced polypropylene composite material is characterized in that: composed of the following components by weight percentage:
Long glass fiber reinforced polypropylene master batch 40-60%,
Mineral master batch 20-50 %,
Acrylic resin 0-30%.
2. mineral as claimed in claim 1 and long glass fiber reinforced polypropylene composite material is characterized in that: the consumption of polypropylene and long glass fibres is respectively 40-60wt% and 40-60wt% in the described long glass fiber reinforced polypropylene master batch.
3. mineral as claimed in claim 1 and long glass fiber reinforced polypropylene composite material is characterized in that: described mineral master batch is composed of the following components:
Polipropene 25-50wt%
Mineral 50-75wt%
Oxidation inhibitor 0.1-1.0wt%
Lubricant 0.2-3.0wt%.
4. mineral as claimed in claim 3 and long glass fiber reinforced polypropylene composite material is characterized in that: described mineral are one or more the mixture in talcum powder, mica, lime carbonate, barium sulfate, wollastonite and the glass microballon.
5. mineral as claimed in claim 3 and long glass fiber reinforced polypropylene composite material is characterized in that: described oxidation inhibitor is one or more the mixture in antioxidant 1010, oxidation inhibitor 944, oxidation inhibitor 327, oxidation inhibitor 168, the oxidation inhibitor 1790.
6. mineral as claimed in claim 3 and long glass fiber reinforced polypropylene composite material is characterized in that: described lubricant is one or more the mixture in lubricant PE wax, lubricant stearic acid wax, lubricant EBS, the silicone lubricant.
7. the preparation method of described mineral of arbitrary claim and long glass fiber reinforced polypropylene composite material among the claim 1-6 is characterized in that: carry out according to the following steps:
⑴ join polypropylene, compatilizer, oxidation inhibitor that to make it thorough mixing in the mixing machine even, the mixture that obtains is joined in the twin screw extruder, resin melt is clamp-oned in the impregnation mold that is connected with the twin screw extruder head, then long glass fibres is passed through impregnation mold, long glass fibres is fully flooded by melt, cool off at last, traction, pelletizing, promptly obtain the long glass fiber reinforced polypropylene pellet;
⑵ mix after polypropylene, mineral, oxidation inhibitor and lubricant are weighed in proportion, makes the mineral master batch through 180～220 ℃ of twin screw extruder extruding pelletizations;
⑶ mix after long glass fiber reinforced polypropylene master batch, mineral master batch and acrylic resin are weighed in proportion;
⑷ dry the mixture that step ⑶ obtains 2～3 hours at 85～90 ℃, injection moulding, wherein, the working conditions of injection moulding machine is: a district temperature 200-220 ℃, two district's temperature are 230-240 ℃, and three district's temperature are 240-250 ℃, and four district's temperature are 245-255 ℃, pressure is 60-90MPa, and speed is 30-50mm/s.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329454A (en) * | 2011-10-18 | 2012-01-25 | 深圳市科聚新材料有限公司 | Polypropylene composite material as well as preparation method and application thereof |
| CN102329517A (en) * | 2011-07-26 | 2012-01-25 | 句容市百事特复合材料有限公司 | Long and short fiber hybrid reinforced plastic granule and production method thereof |
| CN102816384A (en) * | 2012-08-08 | 2012-12-12 | 金发科技股份有限公司 | Glass fiber-reinforced polypropylene material with shallow shrinkage mark and low warpage as well as preparation method and application thereof |
| CN103044900A (en) * | 2011-10-13 | 2013-04-17 | 合肥杰事杰新材料股份有限公司 | Glass-fiber-reinforced heat conducting plastic and preparation method thereof |
| CN103160018A (en) * | 2011-12-08 | 2013-06-19 | 合肥杰事杰新材料股份有限公司 | High toughness sound insulation composite material and preparation method thereof |
| CN103627085A (en) * | 2013-11-13 | 2014-03-12 | 杭州金州高分子科技有限公司 | High-performance long-glass-fiber enhanced antibacterial polypropylene material for washing machine product and production method of material |
| CN103937093A (en) * | 2014-03-21 | 2014-07-23 | 浙江俊尔新材料股份有限公司 | Long glass fiber reinforced polypropylene composite material and preparation method |
| CN104194155A (en) * | 2014-08-27 | 2014-12-10 | 南京聚隆科技股份有限公司 | Long-glass-fiber-reinforced polypropylene microfoamed material and preparation method thereof |
| CN104910517A (en) * | 2015-06-15 | 2015-09-16 | 上海俊尓新材料有限公司 | Bimodally-distributed glass fiber reinforced polypropylene composite material and preparation method thereof |
| CN105367897A (en) * | 2015-11-19 | 2016-03-02 | 金发科技股份有限公司 | Glass fiber reinforced modified polypropylene material and preparation method thereof |
| CN109517307A (en) * | 2018-10-30 | 2019-03-26 | 南京聚隆科技股份有限公司 | A kind of long glass fibres enhancing polyvinyl alcohol material and preparation method thereof |
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| CN112457582A (en) * | 2020-11-19 | 2021-03-09 | 浙江佳华精化股份有限公司 | Organic silicon modified PP (polypropylene) reinforced material and preparation method thereof |
| CN112852055A (en) * | 2021-01-06 | 2021-05-28 | 珠海格力新材料有限公司 | Filling modified PP material and preparation method thereof |
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- 2010-12-23 CN CN2010106022951A patent/CN102010547A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329517A (en) * | 2011-07-26 | 2012-01-25 | 句容市百事特复合材料有限公司 | Long and short fiber hybrid reinforced plastic granule and production method thereof |
| CN103044900A (en) * | 2011-10-13 | 2013-04-17 | 合肥杰事杰新材料股份有限公司 | Glass-fiber-reinforced heat conducting plastic and preparation method thereof |
| CN102329454B (en) * | 2011-10-18 | 2013-10-16 | 深圳市科聚新材料有限公司 | Polypropylene composite material as well as preparation method and application thereof |
| CN102329454A (en) * | 2011-10-18 | 2012-01-25 | 深圳市科聚新材料有限公司 | Polypropylene composite material as well as preparation method and application thereof |
| CN103160018A (en) * | 2011-12-08 | 2013-06-19 | 合肥杰事杰新材料股份有限公司 | High toughness sound insulation composite material and preparation method thereof |
| CN103160018B (en) * | 2011-12-08 | 2016-01-27 | 合肥杰事杰新材料股份有限公司 | A kind of high tenacity acoustic dampening composite and preparation method thereof |
| CN102816384B (en) * | 2012-08-08 | 2014-09-10 | 金发科技股份有限公司 | Glass fiber-reinforced polypropylene material with shallow shrinkage mark and low warpage as well as preparation method and application thereof |
| CN102816384A (en) * | 2012-08-08 | 2012-12-12 | 金发科技股份有限公司 | Glass fiber-reinforced polypropylene material with shallow shrinkage mark and low warpage as well as preparation method and application thereof |
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Application publication date: 20110413 |