CN111138756A - Long glass fiber reinforced polypropylene composite material for automobile storage battery bracket and preparation method thereof - Google Patents
Long glass fiber reinforced polypropylene composite material for automobile storage battery bracket and preparation method thereof Download PDFInfo
- Publication number
- CN111138756A CN111138756A CN201911370455.1A CN201911370455A CN111138756A CN 111138756 A CN111138756 A CN 111138756A CN 201911370455 A CN201911370455 A CN 201911370455A CN 111138756 A CN111138756 A CN 111138756A
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- long glass
- storage battery
- composite material
- battery bracket
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/047—Reinforcing macromolecular compounds with loose or coherent fibrous material with mixed fibrous material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a long glass fiber reinforced polypropylene composite material for an automobile storage battery bracket and a preparation method thereof, wherein the long glass fiber reinforced polypropylene composite material for the automobile storage battery bracket is prepared from the following raw materials in percentage by weight: 30-70 parts of polypropylene resin, 20-40 parts of common LFT long glass fiber, 20-40 parts of ground glass fiber toughening agent and 0.1-5 parts of antioxidant auxiliary agent. The long glass fiber reinforced polypropylene composite material prepared by the invention has good impact resistance, good dimensional stability and vibration resistance, excellent high/low temperature resistance, can be well suitable for preparing automobile storage battery brackets, and has lighter weight, noise reduction and convenient transportation, production and assembly compared with the traditional metal battery brackets on the basis of meeting the high performance.
Description
Technical Field
The invention relates to a long glass fiber reinforced polypropylene composite material, in particular to a long glass fiber reinforced polypropylene material for an automobile storage battery bracket and a preparation method thereof, belonging to the field of polymer modified composite materials.
Background
The automobile storage battery bracket is usually positioned in a front cabin of an automobile, the loading capacity of the storage battery bracket is usually over 10KG, and in the using process, the storage battery bracket needs to bear lateral stress of acceleration, deceleration or steering and bumping impact. Meanwhile, the working condition environment of the storage battery bracket is severe, the storage battery bracket is generally easy to contact various oil stains or media such as water, and better corrosion resistance is required. The long glass fiber reinforced polypropylene material is a reinforced thermoplastic resin with unidirectional arrangement of reinforced fibers and the length of the reinforced thermoplastic resin is the same as that of a resin pellet, compared with short fiber reinforced polypropylene or other filling modified polypropylene materials, the long glass fiber reinforced polypropylene material has the advantages of long fiber length, higher strength and modulus, excellent high and low temperature resistance and the like, and particularly has more excellent high and low temperature impact resistance and high cost performance, so the long glass fiber reinforced polypropylene material is considered to be a high-quality choice of the storage battery material.
Disclosure of Invention
The invention aims to provide a glass fiber polypropylene material which is specially used for a storage battery bracket, has high strength and modulus, excellent high and low temperature resistance and higher dimensional stability, aims at the application characteristics of the storage battery bracket and the requirements on preparation materials, aims at the defects of the existing long fiber, and overcomes and solves the problems that the design development and the use of the storage battery bracket are limited at present.
The invention also aims to provide a preparation method of the long glass fiber reinforced polypropylene composite material for the automobile storage battery bracket.
In order to achieve the technical purpose and achieve the technical effects, the technical scheme of the invention is implemented by the following technical scheme:
the long glass fiber reinforced polypropylene composite material for the automobile storage battery bracket comprises the following raw materials in parts by weight:
the modified polypropylene resin is prepared from the following raw materials in percentage by weight:
95-99.0% of pure polypropylene resin
1 to 5 percent of black master batch
The melt index of the pure polypropylene resin is 30-100g/10 min.
The particles of the black master batch are master batches with the particle size of 1-3mm and formed by filling inorganic toner with polypropylene.
The single fiber diameter of the common LFT long glass fiber is 10-30 mu m, and the linear density is in three categories of 1200, 2400 and 4800.
The milled glass fibers had a length of 100 μm.
The compatilizer is maleic anhydride grafted polypropylene, the effective grafting activity is more than 5%, and the melt index of the compatilizer is 5-20g/10 min.
The antioxidant auxiliary agent is compounded by one or more of main antioxidant hindered phenol and hindered amine, auxiliary antioxidant phosphite ester, thiodipropionate ester and thiol.
The preparation method of the long glass fiber reinforced polypropylene composite material for the automobile storage battery bracket comprises the following steps:
(1) adding the modified polypropylene resin, the compatilizer, the ground glass fiber, the antioxidant additive and the like into a high-speed mixer according to corresponding proportions, and fully and uniformly mixing;
(2) and (3) adding the uniform mixture obtained in the step (1) into a double-screw extruder for melting and mixing, wherein the extrusion processing temperature is 200-280 ℃, and the rotating speed of a main machine is 200-500 rpm.
(3) And (3) introducing the compound obtained by mixing and extruding in the step (2) into a specially prepared dipping die cavity, then adopting an extruding and drawing process to uniformly infiltrate and wrap polypropylene resin on the surface of the long glass fiber penetrating through the die cavity, cooling the infiltrated continuous glass fiber through a water tank, and drawing and granulating to obtain the long glass fiber filled PP particles with the length of 10-12 mm.
The long glass fiber reinforced polypropylene composite material for the automobile storage battery bracket has the advantages that:
the ground glass fiber and the common continuous long glass fiber are compounded to serve as a reinforcing filling material, the ground glass fiber is added, and the prepared long fiber modified polypropylene material has better dimensional stability and precision by screening a proper formula proportion, so that the prepared storage battery bracket reduces warping and deformation, can improve the crack resistance of the storage battery bracket, and can meet the use and design requirements of various host factories on the storage battery bracket material.
Detailed Description
The present invention is further described below with reference to specific examples and comparative examples, but the scope of the present invention is not limited thereto.
The raw materials used in the examples were as follows:
example 1:
respectively weighing 55 parts by mass of modified polypropylene resin, 4 parts by mass of compatilizer, 1 part by mass of antioxidant and 2 parts by mass of ground glass fiber, putting the mixture into a high-speed mixer, uniformly mixing, adding the mixture into a double-screw extruder, melting and plasticizing, introducing the mixture into an infiltration die head, setting the temperature of each section of the extruder to be 200-260 ℃, the temperature of a die cavity to be 260 ℃ and the rotating speed of a host machine to be 350 ℃. And then, drawing the long glass fiber, immersing the drawn long glass fiber into the mold cavity, and adjusting the drawing speed to ensure that the surface of the LFT long glass fiber is fully and uniformly wrapped and soaked with the PP raw material. And (3) carrying out water cooling on the infiltrated glass fiber bundles through a cold water tank and then carrying out grain cutting to obtain particles with the length of 10-12 mm. The total ash of the particles was 40 parts by mass, wherein the weight ratio of the long fibers and the milled glass fibers was 38: 2.
Example 2:
respectively weighing 55 parts by mass of modified polypropylene resin, 4 parts by mass of compatilizer, 1 part by mass of antioxidant and 5 parts by mass of ground glass fiber, putting the mixture into a high-speed mixer, uniformly mixing, adding the mixture into a double-screw extruder, melting and plasticizing, introducing the mixture into an infiltration die head, and setting the temperature of each section of the extruder to be 200-260 ℃, the temperature of a die cavity to be 260 ℃ and the rotating speed of a host machine to be 350 ℃. And then, drawing the long glass fiber, immersing the drawn long glass fiber into the mold cavity, and adjusting the drawing speed to ensure that the surface of the LFT long glass fiber is fully and uniformly wrapped and soaked with the PP raw material. And (3) carrying out water cooling on the infiltrated glass fiber bundles through a cold water tank and then carrying out grain cutting to obtain particles with the length of 10-12 mm. The total ash of the particles was 40 parts by mass, wherein the weight ratio of the long fibers and the milled glass fibers was 35: 5.
Example 3:
respectively weighing 55 parts by mass of modified polypropylene resin, 4 parts by mass of compatilizer, 1 part by mass of antioxidant and 10 parts by mass of ground glass fiber, putting the mixture into a high-speed mixer, uniformly mixing, adding the mixture into a double-screw extruder, melting and plasticizing, introducing the mixture into an infiltration die head, and setting the temperature of each section of the extruder to be 200-260 ℃, the temperature of a die cavity to be 260 ℃ and the rotating speed of a host machine to be 350 ℃. And then, drawing the long glass fiber, immersing the drawn long glass fiber into the mold cavity, and adjusting the drawing speed to ensure that the surface of the LFT long glass fiber is fully and uniformly wrapped and soaked with the PP raw material. And (3) carrying out water cooling on the infiltrated glass fiber bundles through a cold water tank and then carrying out grain cutting to obtain particles with the length of 10-12 mm. The total ash of the particles was 40 parts by mass, wherein the weight ratio of the long fibers and the milled glass fibers was 30: 10.
Comparative example 1:
respectively weighing 55 parts by mass of modified polypropylene resin and 4 parts by mass of compatilizer, putting 1 part by mass of antioxidant into a high-speed mixer for uniform mixing, then adding into a double-screw extruder for melting and plasticizing, and then introducing into a soaking die head, wherein the temperature of each section of the extruder is 200-fold, the temperature of a die cavity is 260 ℃, and the rotating speed of a host machine is 350 ℃. And then, drawing the long glass fiber, immersing the drawn long glass fiber into the mold cavity, and adjusting the drawing speed to ensure that the surface of the LFT long glass fiber is fully and uniformly wrapped and soaked with the PP raw material. And (3) carrying out water cooling on the infiltrated glass fiber bundles through a cold water tank and then carrying out grain cutting to obtain particles with the length of 10-12 mm. The total ash of the particles was 40 parts by mass, without addition of ground glass fiber.
Comparative example 2:
respectively weighing 55 parts by mass of modified polypropylene resin, 4 parts by mass of compatilizer, 1 part by mass of antioxidant and 40 parts by mass of ground glass fiber, putting the mixture into a high-speed mixer, uniformly mixing, adding the mixture into a double-screw extruder for melting and plasticizing, and directly drawing and granulating to obtain the ground glass fiber reinforced polypropylene particles. The total ash content of the particles is 40 minutes, and continuous long glass fibers are not added.
Comparative example 3:
respectively weighing 56 parts by mass of modified polypropylene resin and 4 parts by mass of compatilizer, putting 5 parts by mass of ground glass fiber into a high-speed mixer, uniformly mixing, adding into a double-screw extruder, melting and plasticizing, and then introducing into a soaking die head, wherein the temperature of each section of the extruder is 200-260 ℃, the temperature of a die cavity is 260 ℃, and the rotating speed of a host machine is 350 ℃. And then, drawing the long glass fiber, immersing the drawn long glass fiber into the mold cavity, and adjusting the drawing speed to ensure that the surface of the LFT long glass fiber is fully and uniformly wrapped and soaked with the PP raw material. And (3) carrying out water cooling on the infiltrated glass fiber bundles through a cold water tank and then carrying out grain cutting to obtain particles with the length of 10-12 mm. The total ash of the particles is 40 parts by mass, wherein the weight ratio of the long fibers to the ground glass fibers is 35:5, and antioxidant additives are not added in the ratio.
Comparative example 4:
respectively weighing 56 parts by mass of modified polypropylene resin and 1 part by mass of antioxidant, putting 5 parts by mass of ground glass fiber into a high-speed mixer, uniformly mixing, adding into a double-screw extruder, melting and plasticizing, and then putting into a soaking die head, wherein the temperature of each section of the extruder is 200-260 ℃, the temperature of a die cavity is 260 ℃, and the rotating speed of a host machine is 350 ℃. And then, drawing the long glass fiber, immersing the drawn long glass fiber into the mold cavity, and adjusting the drawing speed to ensure that the surface of the LFT long glass fiber is fully and uniformly wrapped and soaked with the PP raw material. And (3) carrying out water cooling on the infiltrated glass fiber bundles through a cold water tank and then carrying out grain cutting to obtain particles with the length of 10-12 mm. The total ash of the particles is 40 parts by mass, wherein the weight ratio of the long fibers to the ground glass fibers is 35:5, and the compatilizer is not added in the ratio.
The particles prepared in the above examples and comparative examples were subjected to material-level and part-level performance tests, the test items and test methods were as follows:
tensile property: the drawing speed was 5mm/min according to ISO 527.
Bending property: the test speed is 2mm/min according to ISO 178.
Notched impact strength: the test is carried out according to the method of ISO 179 at the normal temperature of 23 ℃ and the temperature of-40 ℃ respectively.
Shrinkage rate of the material: the test was performed according to ISO 294 method.
Thermal aging resistance test: the samples should be placed in an oven at 150 ℃ for 168h (7 days) and then at room temperature for 1 hour before evaluation of the product state.
Cold-hot alternation test: the surface of the storage battery tray is free from defects, wrinkles, cracks, falling and the like by taking (90 +/-2) ° C/3 h-room temperature/0.5 h (-40 +/-2) ° C/2 h-room temperature/0.5 h-more than one cycle and performing 3 cycles.
The properties of the long glass fiber reinforced polypropylene material for battery brackets obtained in the above examples and comparative examples are shown in table one:
through the data obtained by the test of the comparative example and the example, on the premise that the content of the long glass fiber/ground glass fiber in the whole material is kept at 40 parts by mass, the overall dimensional stability and shrinkage rate of the material are obviously improved along with the increase of the adding amount of the ground glass fiber material, and compared with a single long glass fiber filled reinforced polypropylene material, the material shrinkage rate is obviously reduced, and the warping deformation phenomenon is improved. In addition, when the addition amount of the ground glass fiber is increased to 10 parts, the mechanical property of the material is reduced, particularly the impact property, but when the addition amount of the ground glass fiber is less than 5 parts, the reduction degree of the mechanical property is limited, and the requirement of the storage battery bracket on the mechanical property of the long-fiber material is met. Therefore, through formulation design, the requirements of the storage battery on high impact resistance of materials can be met while warping cracking is improved by selecting a proper proportion of ground glass fiber/continuous long fiber compound ratio.
The glass fiber reinforced polypropylene material prepared by the invention makes up the defect that long fibers are easy to warp and deform on the premise of ensuring the cost performance and meeting the high requirements of the storage battery bracket on the material performance, improves the dimensional stability of the material, the forming precision of parts and the strength and rigidity of the material, and can well meet the requirements of the automobile storage battery bracket on the material strength and precision in comprehensive performance.
It should be noted that the embodiments of the present invention are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to make the innovative points and contents of the present invention obvious to those skilled in the art. Equivalent changes and modifications of the described structures, features and principles of the invention are intended to be included within the scope of the present patent application.
Claims (9)
1. The utility model provides a fine reinforcing polypropylene combined material of long glass for automobile storage battery bracket which characterized in that: the composition comprises the following raw materials in parts by weight:
2. the long glass fiber reinforced polypropylene composite material for an automobile storage battery bracket according to claim 1, wherein: the modified polypropylene resin is prepared from the following raw materials in percentage by weight:
95-99.0% of pure polypropylene resin
1-5% of black master batch.
3. The long glass fiber reinforced polypropylene composite material for the automobile storage battery bracket according to claim 2, wherein: the melt index of the pure polypropylene resin is 30-100g/10 min.
4. The long glass fiber reinforced polypropylene composite material for the automobile storage battery bracket according to claim 2, wherein: the particles of the black master batch are master batches with the particle size of 1-3mm and formed by filling inorganic toner with polypropylene.
5. The long glass fiber reinforced polypropylene composite material for an automobile storage battery bracket according to claim 1, wherein: the single fiber diameter of the common LFT long glass fiber is 10-30 mu m, and the linear density is in three categories of 1200, 2400 and 4800.
6. The long glass fiber reinforced polypropylene composite material for an automobile storage battery bracket according to claim 1, wherein: the milled glass fibers had a length of 100 μm.
7. The long glass fiber reinforced polypropylene composite material for an automobile storage battery bracket according to claim 1, wherein: the compatilizer is maleic anhydride grafted polypropylene, the effective grafting activity is more than 5%, and the melt index of the compatilizer is 5-20g/10 min.
8. The long glass fiber reinforced polypropylene composite material for an automobile storage battery bracket according to claim 1, wherein: the antioxidant auxiliary agent is compounded by one or more of main antioxidant hindered phenol and hindered amine, auxiliary antioxidant phosphite ester, thiodipropionate ester and thiol.
9. The method for preparing the long glass fiber reinforced polypropylene composite material for the automobile storage battery bracket as set forth in any one of claims 1 to 8, characterized in that the method comprises the steps of:
(1) adding the modified polypropylene resin, the compatilizer, the ground glass fiber, the antioxidant additive and the like into a high-speed mixer according to corresponding proportions, and fully and uniformly mixing;
(2) adding the uniform mixture obtained in the step 1 into a double-screw extruder for melting and mixing, wherein the extrusion processing temperature is 200-280 ℃, and the rotating speed of a main machine is 200-500 rpm;
(3) and (3) introducing the compound obtained by mixing and extruding in the step (2) into a specially prepared dipping die cavity, then adopting an extruding and drawing process to uniformly infiltrate and wrap polypropylene resin on the surface of the long glass fiber penetrating through the die cavity, cooling the infiltrated continuous glass fiber through a water tank, and drawing and granulating to obtain the long glass fiber filled PP particles with the length of 10-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370455.1A CN111138756A (en) | 2019-12-26 | 2019-12-26 | Long glass fiber reinforced polypropylene composite material for automobile storage battery bracket and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370455.1A CN111138756A (en) | 2019-12-26 | 2019-12-26 | Long glass fiber reinforced polypropylene composite material for automobile storage battery bracket and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111138756A true CN111138756A (en) | 2020-05-12 |
Family
ID=70520567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911370455.1A Pending CN111138756A (en) | 2019-12-26 | 2019-12-26 | Long glass fiber reinforced polypropylene composite material for automobile storage battery bracket and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111138756A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112500639A (en) * | 2020-11-30 | 2021-03-16 | 会通新材料股份有限公司 | Isotropic high-strength polypropylene composite material and preparation method thereof |
| CN115216144A (en) * | 2021-04-16 | 2022-10-21 | 深圳科创新源新材料股份有限公司 | Modified PA66 material and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750969A (en) * | 2016-12-29 | 2017-05-31 | 上海普利特复合材料股份有限公司 | A kind of weld strength high, low warpage long glass fiber reinforced polypropylene composite material and its manufacture method |
-
2019
- 2019-12-26 CN CN201911370455.1A patent/CN111138756A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750969A (en) * | 2016-12-29 | 2017-05-31 | 上海普利特复合材料股份有限公司 | A kind of weld strength high, low warpage long glass fiber reinforced polypropylene composite material and its manufacture method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112500639A (en) * | 2020-11-30 | 2021-03-16 | 会通新材料股份有限公司 | Isotropic high-strength polypropylene composite material and preparation method thereof |
| CN112500639B (en) * | 2020-11-30 | 2023-03-21 | 会通新材料股份有限公司 | Isotropic high-strength polypropylene composite material and preparation method thereof |
| CN115216144A (en) * | 2021-04-16 | 2022-10-21 | 深圳科创新源新材料股份有限公司 | Modified PA66 material and preparation method and application thereof |
| CN115216144B (en) * | 2021-04-16 | 2024-02-20 | 深圳科创新源新材料股份有限公司 | Modified PA66 material and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111117062B (en) | Long glass fiber reinforced polypropylene composite material for automobile front-end module and preparation method thereof | |
| EP2800781B1 (en) | Long fiber thermoplastic formed with recycled and renewable content and process for its production | |
| CN101693777B (en) | Material for vehicle bumper and preparation method thereof | |
| Rezaur Rahman et al. | Influence of fiber treatment on the mechanical and morphological properties of sawdust reinforced polypropylene composites | |
| CN105504489A (en) | Alkali-free glass fiber reinforcing modified polypropylene composite material and preparing method thereof | |
| CN107641255B (en) | Glass fiber reinforced polypropylene composite material and preparation method thereof | |
| CN108264749A (en) | A kind of high good surface carbon fiber reinforced polycarbonate composite material of flowing and preparation method thereof | |
| CN111138756A (en) | Long glass fiber reinforced polypropylene composite material for automobile storage battery bracket and preparation method thereof | |
| CN108164821B (en) | Long glass fiber reinforced polypropylene composite material with high fluidity, high apparent property and low VOC (volatile organic compounds) and preparation method thereof | |
| CN107501735A (en) | A kind of lower shrinkage, low density modified PP composite material and preparation method thereof | |
| Maurya et al. | Advances towards development of industrially relevant short natural fiber reinforced and hybridized polypropylene composites for various industrial applications: a review | |
| CN102040829B (en) | Glass fiber reinforced nylon material for high-speed railway system and preparation method thereof | |
| CN112552590A (en) | Talcum powder/glass fiber modified polypropylene composite material for gas-assisted molding and preparation method thereof | |
| CN111423720A (en) | 3D printing-oriented modified carbon fiber reinforced polyamide 6 composite material and preparation method and application thereof | |
| CN112662053A (en) | Low-density high-performance modified polypropylene composite material for vehicle bumper and preparation method thereof | |
| KR101602814B1 (en) | Polyamide 66 resin composition reinforced with glass fiber for high tensile strength and manufacturing method thereof | |
| CN109486156B (en) | Flame-retardant extrusion-grade PC/ABS composite material | |
| KR20180133179A (en) | Method for manufacturing lightweight composite resin pellets | |
| CN107915979B (en) | Polycarbonate composition and preparation method and application thereof | |
| CN109735000A (en) | A kind of high-performance, low-density mineral filled polypropylene material and preparation method thereof | |
| CN104610717A (en) | Glass fiber reinforced nylon 66 composite | |
| CN110284258B (en) | Integrated automobile glass lifter guide rail manufacturing material and preparation method and application thereof | |
| CN114316434A (en) | Low-warpage scratch-resistant soft-touch modified polypropylene composite material and preparation method thereof | |
| KR100482501B1 (en) | A method for manufacturing glass fiber reinforced thermosetting composite | |
| CN111704797A (en) | Low-warpage, conductive and high-mechanical-property fiber-reinforced nylon composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yao Daichuan Inventor after: Zhang Yang Inventor after: Zhang Zhongwei Inventor after: Cai Qing Inventor after: Zhou Wu Inventor after: Zhou Wen Inventor before: Yao Daichuan Inventor before: Zhang Yang Inventor before: Zhang Zhongwei Inventor before: Zhou Zhenqi Inventor before: Cai Qing Inventor before: Zhou Wu Inventor before: Zhou Wen |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200512 |