CN113637192A - Long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to power storage battery of electric automobile, alloy thereof and preparation method thereof - Google Patents
Long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to power storage battery of electric automobile, alloy thereof and preparation method thereof Download PDFInfo
- Publication number
- CN113637192A CN113637192A CN202110946921.7A CN202110946921A CN113637192A CN 113637192 A CN113637192 A CN 113637192A CN 202110946921 A CN202110946921 A CN 202110946921A CN 113637192 A CN113637192 A CN 113637192A
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- polyamide
- long glass
- flame retardant
- power storage
- 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
- C08J5/0405—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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
-
- 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)
- Inorganic Chemistry (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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to an electric automobile power storage battery, an alloy thereof and a preparation method thereof, and relates to the technical field of high polymer materials; the long glass fiber flame-retardant reinforced bio-based polyamide 56 comprises: 60-90% of long glass fiber reinforced polyamide 56 master batch, 10-40% of flame retardant master batch and 0-30% of polyamide 56 resin; compared with the long glass fiber flame-retardant reinforced bio-based polyamide 56 alloy, the long glass fiber flame-retardant reinforced bio-based polyamide 56 alloy also comprises 0-30% of polyamide 66 resin; the preparation method of both comprises the following steps: preparing long glass fiber reinforced polyamide 56 master batch and flame retardant master batch, then uniformly mixing the components in proportion, and finally drying and injection molding; the long glass fiber reinforced bio-based polyamide 56 and the alloy thereof prepared by the invention have the characteristics of environmental protection, carbon reduction, high strength, high toughness, high modulus and dimensional stability, and are low in cost and excellent in flame retardant property, and can be widely applied to power storage batteries of electric automobiles.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to an electric automobile power storage battery, an alloy thereof and a preparation method thereof.
Background
In recent years, with the importance of sustainable development in various countries, carbon peaking, carbon neutralization, and the like have attracted much attention; meanwhile, policies point out basic ideas and main measures for researching and promoting the economic health development problem of the platform and realizing carbon peak reaching and carbon neutralization. Therefore, under the guiding thought and the international and domestic situation, the product and the derivative thereof which are obtained by taking renewable resources in nature as raw materials through biological manufacturing have the advantages of green process, environmental protection, resource saving and the like, and the prepared biobased material can replace the traditional material, is expected to exceed the traditional material in performance and has huge future potential.
The new energy automobile is developed more and more quickly, but in news, the news of electric automobile fire happens almost once in a short time, and in the investigation of the reason of electric automobile fire, the battery is damaged to a large extent, on the premise, in order to guarantee the production safety of people practically, the state puts forward the mandatory standard GB38031-2020 safety requirement of power storage batteries for electric automobiles, and the materials provided in the market at present are difficult to meet the requirement.
The polyamide 66 has the advantages of high tensile strength, high toughness, high impact resistance, high wear resistance, high self-lubrication, low temperature resistance, self-extinguishing property and the like, is widely applied to the fields of machinery, automobiles, electronic appliances, communication, compact engineering and the like, but is used as a synthetic material, has large international price fluctuation of raw material monomers, is synthesized by a chemical method, and is not friendly to the environment. Polyamide 56, which is a bio-based polyamide developed in recent years, has important industrial uses, and has good mechanical properties, a high melting point, and resistance to various solvents, like polyamide 66. The complex viscosity of the polyamide 56 is not changed greatly, and the characteristics of Newtonian fluid are shown; the storage modulus and the loss modulus of the polyamide resin are reduced along with the increase of the temperature, and the abrasion resistance, the dyeing property and the like of the polyamide 56 are similar to those of the polyamide 66.
Disclosure of Invention
The invention aims to provide the long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to the power storage battery of the electric automobile, the alloy thereof and the preparation method thereof, so that the application of the bio-based material polyamide 56 in the automobile market is actively promoted, and the prepared long glass fiber reinforced bio-based polyamide 56 and the alloy thereof have the characteristics of high strength, high toughness, high modulus and dimensional stability, and have wide development prospect on the power storage battery of the electric automobile due to low cost and excellent flame retardant property.
In order to achieve the above purpose, the invention provides the following technical scheme: the long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to the power storage battery of the electric automobile comprises the following components in percentage by mass:
60-90% of long glass fiber reinforced polyamide 56 master batch
10 to 40 percent of flame retardant master batch
Polyamide 56 resin 0-30%;
the preparation method comprises the following steps:
1) uniformly mixing polyamide 56, a compatilizer, an antioxidant and a lubricant, adding the mixture into a double-screw extruder, melting the mixture, and extruding the mixture into an impregnation die connected with the head of the double-screw extruder; then, the long glass fiber is fully impregnated by the extruded melt through an impregnation die, and finally, the long glass fiber is cooled, drawn and cut into granules to obtain long glass fiber reinforced polyamide 56 master batches;
2) weighing polyamide 56, a flame retardant, an antioxidant and a lubricant in proportion, uniformly mixing, and extruding and granulating at 210-260 ℃ by using a double-screw extruder to obtain flame retardant master batches;
3) weighing the long glass fiber reinforced polyamide 56 master batch, the flame retardant master batch and the polyamide 56 resin according to a proportion, and then uniformly mixing to obtain a first mixture;
4) drying the first mixture and then performing injection molding, wherein the injection molding conditions are as follows: the temperature of the first zone is 230-270 ℃, the temperature of the second zone is 250-280 ℃, the temperature of the third zone is 240-290 ℃, the temperature of the fourth zone is 265-295 ℃, the pressure is 60-90MPa, and the speed is 40-70 mm/s.
Further, the long glass fiber in the step 1) is alkali-free high-strength continuous glass fiber, the diameter of the glass fiber is 10-24um, and the linear density is 1000-4800 TEX.
Further, the antioxidant is one or more of antioxidant 1098, antioxidant 944, antioxidant 168 and antioxidant 1790; the compatilizer is selected from one or more of epoxy resin and modified substances thereof, styrene copolymer, maleic anhydride grafted substances and acrylic glycidyl ester modified substances.
Further, the lubricant is silicone powder or erucamide.
Further, the polyamide 56, the compatilizer, the antioxidant, the lubricant and the long glass fiber in the long glass fiber reinforced polyamide 56 master batch in the step 1) are sequentially as follows by mass percent: 10-80%, 0.2-5%, 0.2-2%, 0.5-2% and 10-50%.
Further, the mass percentages of the polyamide 56, the flame retardant, the antioxidant and the lubricant in the flame retardant master batch are 20-70%, 40-70%, 1-2% and 3-10% in sequence; wherein the flame retardant is one or more of nitrogen and phosphorus flame retardants.
The invention also aims to disclose a long glass fiber flame-retardant reinforced bio-based polyamide 56 alloy applied to an electric vehicle power storage battery, which comprises the following components in percentage by mass:
the preparation method comprises the following steps:
1) uniformly mixing polyamide 56, a compatilizer, an antioxidant and a lubricant, adding the mixture into a double-screw extruder, melting the mixture, and extruding the mixture into an impregnation die connected with the head of the double-screw extruder; then, the long glass fiber is fully impregnated by the extruded melt through an impregnation die, and finally, the long glass fiber is cooled, drawn and cut into granules to obtain long glass fiber reinforced polyamide 56 master batches;
2) weighing polyamide 56, a flame retardant, an antioxidant and a lubricant in proportion, uniformly mixing, and extruding and granulating at 210-260 ℃ by using a double-screw extruder to obtain flame retardant master batches;
3) weighing the long glass fiber reinforced polyamide 56 master batch, the flame retardant master batch, the polyamide 56 resin and the polyamide 66 resin in proportion, and uniformly mixing to obtain a second mixture;
4) and drying the second mixture and then performing injection molding, wherein the injection molding conditions are as follows: the temperature of the first zone is 230-.
The invention also aims to provide a power storage battery shell of an electric automobile, which is made of the long glass fiber flame-retardant reinforced bio-based polyamide 56 or the long glass fiber flame-retardant reinforced bio-based polyamide 56 alloy.
According to the technical scheme, the technical scheme of the invention has the following beneficial effects:
the invention discloses a long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to an electric automobile power storage battery, an alloy thereof and a preparation method thereof, wherein the long glass fiber flame-retardant reinforced bio-based polyamide 56 comprises the following components in percentage by mass: 60-90% of long glass fiber reinforced polyamide 56 master batch, 10-40% of flame retardant master batch and 0-30% of polyamide 56 resin; the long glass fiber flame-retardant reinforced bio-based polyamide 56 alloy comprises the following components in percentage by mass: 60-90% of long glass fiber reinforced polyamide 56 master batch, 10-40% of flame retardant master batch, 0-30% of polyamide 56 resin and 0-30% of polyamide 66 resin; the preparation method of the long glass fiber flame-retardant reinforced bio-based polyamide 56 and the alloy thereof comprises the following steps: preparing long glass fiber reinforced polyamide 56 master batch and flame retardant master batch, then uniformly mixing the components in proportion, finally drying and injection molding.
The prepared long glass fiber flame-retardant reinforced bio-based polyamide 56 and the alloy thereof have the characteristics of environmental protection, carbon reduction, high strength, high toughness, high modulus and dimensional stability, are low in cost and excellent in flame retardant property, fully meet the safety requirements on power storage batteries for electric automobiles when prepared into shells of the power storage batteries for the electric automobiles, ensure the use safety of users, and have wide application prospects in the field of the power storage batteries for the electric automobiles.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of this disclosure unless such concepts are mutually inconsistent.
The foregoing and other aspects, embodiments and features of the present teachings will be more fully understood from the following description. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of specific embodiments in accordance with the teachings of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Similarly, the singular forms "a," "an," or "the" do not denote a limitation of quantity, but rather denote the presence of at least one, unless the context clearly dictates otherwise. The terms "comprises," "comprising," or the like, mean that the elements or items listed before "comprises" or "comprising" encompass the features, integers, steps, operations, elements, and/or components listed after "comprising" or "comprising," and do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may also be changed accordingly.
Based on the rapid development of new energy automobiles in the prior art, the battery safety problem of the electric automobile draws more and more attention to the market. In order to guarantee the production safety of people, the state puts forward a mandatory standard GB38031-2020 safety requirement of power storage batteries for electric vehicles, but the materials which can be applied to the storage batteries of the electric vehicles in the market at present are difficult to meet the requirement. The invention provides the long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to the power storage battery of the electric automobile, the alloy thereof and the preparation method thereof based on the sustainable development concept, the material is environment-friendly and carbon-reducing, the cost is low, the flame-retardant performance is excellent, the long glass fiber flame-retardant reinforced bio-based polyamide can fully meet the standard requirement when being used for manufacturing the storage battery shell, and the safety performance is high.
Specifically, the invention discloses a long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to an electric vehicle power storage battery, which comprises the following components in percentage by mass:
60-90% of long glass fiber reinforced polyamide 56 master batch
10 to 40 percent of flame retardant master batch
Polyamide 56 resin 0-30%;
the preparation method of the long glass fiber flame-retardant reinforced bio-based polyamide 56 comprises the following steps:
1) uniformly mixing polyamide 56, a compatilizer, an antioxidant and a lubricant, adding the mixture into a double-screw extruder, melting the mixture, and extruding the mixture into an impregnation die connected with the head of the double-screw extruder; then, the long glass fiber is fully impregnated by the extruded melt through an impregnation die, and finally, the long glass fiber is cooled, drawn and cut into granules to obtain long glass fiber reinforced polyamide 56 master batches;
2) weighing polyamide 56, a flame retardant, an antioxidant and a lubricant in proportion, uniformly mixing, and extruding and granulating at 210-260 ℃ by using a double-screw extruder to obtain flame retardant master batches;
3) weighing the long glass fiber reinforced polyamide 56 master batch, the flame retardant master batch and the polyamide 56 resin according to a proportion, and then uniformly mixing to obtain a first mixture;
4) drying the first mixture and then performing injection molding, wherein the injection molding conditions are as follows: the temperature of the first zone is 230-270 ℃, the temperature of the second zone is 250-280 ℃, the temperature of the third zone is 240-290 ℃, the temperature of the fourth zone is 265-295 ℃, the pressure is 60-90MPa, and the speed is 40-70 mm/s.
The invention also discloses a long glass fiber flame-retardant reinforced bio-based polyamide 56 alloy applied to an electric automobile power storage battery, which comprises the following components in percentage by mass:
the preparation method of the long glass fiber flame-retardant reinforced bio-based polyamide 56 alloy comprises the following steps:
1) uniformly mixing polyamide 56, a compatilizer, an antioxidant and a lubricant, adding the mixture into a double-screw extruder, melting the mixture, and extruding the mixture into an impregnation die connected with the head of the double-screw extruder; then, the long glass fiber is fully impregnated by the extruded melt through an impregnation die, and finally, the long glass fiber is cooled, drawn and cut into granules to obtain long glass fiber reinforced polyamide 56 master batches;
2) weighing polyamide 56, a flame retardant, an antioxidant and a lubricant in proportion, uniformly mixing, and extruding and granulating at 210-260 ℃ by using a double-screw extruder to obtain flame retardant master batches;
3) weighing the long glass fiber reinforced polyamide 56 master batch, the flame retardant master batch, the polyamide 56 resin and the polyamide 66 resin in proportion, and uniformly mixing to obtain a second mixture;
4) and drying the second mixture and then performing injection molding, wherein the injection molding conditions are as follows: the temperature of the first zone is 230-.
In the preparation method of the two materials, the long glass fiber is alkali-free high-strength continuous glass fiber, the diameter of the glass fiber is 10-24um, and the linear density is 1000-; the antioxidant is one or more of antioxidant 1098, antioxidant 944, antioxidant 168 and antioxidant 1790; the compatilizer is selected from one or more of epoxy resin and modified substances thereof, styrene copolymer, maleic anhydride graft and acrylic glycidyl ester modified substances; the lubricant is selected from silicone powder or erucamide.
The components for preparing the long glass fiber reinforced polyamide 56 master batch comprise polyamide 56, a compatilizer, an antioxidant, a lubricant and long glass fiber in sequence by mass percent: 10-80%, 0.2-5%, 0.2-2%, 0.5-2% and 10-50%; the mass percentages of polyamide 56, flame retardant, antioxidant and lubricant in the prepared flame retardant master batch are 20-70%, 40-70%, 1-2% and 3-10% in sequence; wherein the flame retardant is one or more of nitrogen and phosphorus flame retardants.
The invention discloses a long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to an electric vehicle power storage battery, an alloy thereof and a preparation method thereof, which are further specifically described in the following with reference to specific embodiments.
Example 1
1) Adding polyamide 56 into a double-screw extruder for melting, extruding into a dipping die connected with the head of the double-screw extruder, then passing long glass fibers through the dipping die to fully dip the long glass fibers by the melt, and finally cooling, drawing and dicing to obtain long glass fiber reinforced polyamide 56 master batches; wherein, the dosage of the polyamide 56 and the long glass fiber is respectively 50 percent and 50 percent; 2) weighing polyamide 56, minerals, an antioxidant and a lubricant in proportion, mixing, and extruding and granulating by a 230 ℃ double-screw extruder to obtain mineral master batches; wherein, the content of the flame retardant is 40 percent; 3) weighing and mixing the long glass fiber reinforced polyamide 56 master batch, the flame retardant master batch and the polyamide 56 resin according to the weight percentage: 60% of long glass fiber polyamide 56 master batch, 15% of flame retardant master batch and 25% of polyamide 56 resin; 4) drying the first mixture obtained in the step 3) at 100 ℃ for 2 hours, and then performing injection molding, wherein the working conditions of an injection molding machine are as follows: the temperature of the first zone is 255 ℃, the temperature of the second zone is 265 ℃, the temperature of the third zone is 270 ℃, the temperature of the fourth zone is 280 ℃, the pressure is 80MPa, and the speed is 40 mm/s. The prepared long glass fiber flame-retardant reinforced bio-based polyamide 56 material is marked as material 1.
Example 2
1) Uniformly mixing polyamide 56, a compatilizer, an antioxidant and a lubricant, adding the mixture into a double-screw extruder for melting, extruding the mixture into an impregnation die connected with the head of the double-screw extruder, allowing long glass fibers to pass through the impregnation die, fully impregnating the long glass fibers with a melt, and finally cooling, drawing and granulating to obtain long glass fiber reinforced polyamide 56 master batches; wherein the dosage of the polyamide 56 and the long glass fiber is respectively 50 wt% and 45 wt%; 2) weighing polyamide 56, minerals, an antioxidant and a lubricant in proportion, mixing, and extruding and granulating by a 230 ℃ double-screw extruder to obtain mineral master batches; wherein, the content of the flame retardant is 70 percent; 3) weighing and mixing the long glass fiber reinforced polyamide 56 master batch and the flame retardant master batch according to the weight percentage: 88% of long glass fiber polyamide 56 master batch and 12% of flame retardant master batch; 4) drying the first mixture obtained in the step 3) at 100 ℃ for 2 hours, and then performing injection molding, wherein the working conditions of an injection molding machine are as follows: the temperature of the first zone is 260 ℃, the temperature of the second zone is 268 ℃, the temperature of the third zone is 274 ℃, the temperature of the fourth zone is 278 ℃, the pressure is 90MPa, and the speed is 60 mm/s. The prepared long glass fiber flame-retardant reinforced bio-based polyamide 56 material is marked as material 2.
Example 3
1) Uniformly mixing polyamide 56, a compatilizer, an antioxidant and a lubricant, adding the mixture into a double-screw extruder for melting, extruding the mixture into an impregnation die connected with the head of the double-screw extruder, allowing long glass fibers to pass through the impregnation die, fully impregnating the long glass fibers with a melt, and finally cooling, drawing and granulating to obtain long glass fiber reinforced polyamide 56 master batches; wherein the dosage of the polyamide 56 and the long glass fiber is respectively 50 wt% and 45 wt%; 2) weighing polyamide 56, minerals, an antioxidant and a lubricant in proportion, mixing, and extruding and granulating by a 230 ℃ double-screw extruder to obtain mineral master batches; wherein, the content of the flame retardant is 50 percent; 3) weighing and mixing the long glass fiber reinforced polyamide 56 master batch, the flame retardant master batch, the polyamide 56 resin and the polyamide 66 resin according to the weight percentage: 67% of long glass fiber polyamide 56 master batch, 15% of flame retardant master batch, 10% of polyamide 56 resin and 10% of polyamide 66 resin; 4) drying the second mixture obtained in the step 3) at 100 ℃ for 2 hours, and then performing injection molding, wherein the working conditions of an injection molding machine are as follows: the temperature of the first zone is 257 ℃, the temperature of the second zone is 263 ℃, the temperature of the third zone is 265 ℃, the temperature of the fourth zone is 270 ℃, the pressure is 85MPa, and the speed is 60 mm/s. The prepared long glass fiber flame-retardant reinforced bio-based polyamide 56 alloy material is marked as material 3.
The product material 1, the material 2 and the material 3 of the above embodiment are respectively subjected to safety performance tests according to the standard GB38031-2020 Power storage battery safety requirement for electric vehicles, the safety performance tests comprise structural strength and thermal stability tests, and the performance test results are shown in the following table 1.
Table 1 materials 1 to 3 safety performance test results
| Performance index | Example 1 | Example 2 | Example 3 |
| Tensile Strength (MPa) | 170 | 230 | 173 |
| Elongation at Break (%) | 1.9 | 1.9 | 1.9 |
| Flexural Strength (MPa) | 240 | 340 | 245 |
| Flexural modulus (GPa) | 8.54 | 12.7 | 8.5 |
| Notched impact Strength (KJ/m)2，23℃) | 17 | 24 | 18 |
| Flame retardant Properties (UL94, 0.8mm) | V-0 | V-0 | V-0 |
The performance test result shows that the long glass fiber flame-retardant reinforced bio-based polyamide 56 and the alloy thereof have the characteristics of high strength, high toughness, high modulus and dimensional stability, have excellent flame retardant performance, are green and environment-friendly as a bio-based material preparation process, save resources and have low cost.
Meanwhile, the material performance test results shown in the table show that the battery shell of the electric automobile prepared from the material 1, the material 2 or the material 3 prepared by the embodiment fully meets the requirements of the standard GB38031-2020 safety requirement of the power storage battery for the electric automobile, conforms to the concept of sustainable development of new energy automobiles, is used as a raw material for manufacturing the power storage battery shell of the electric automobile, improves the safety of the power storage battery of the electric automobile, guarantees the use safety of a user, and has a wide application prospect.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be determined by the appended claims.
Claims (10)
1. The long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to the power storage battery of the electric automobile is characterized by comprising the following components in percentage by mass:
60-90% of long glass fiber reinforced polyamide 56 master batch
10 to 40 percent of flame retardant master batch
Polyamide 56 resin 0-30%.
2. The preparation method of the long glass fiber flame retardant reinforced bio-based polyamide 56 applied to the power storage battery of the electric automobile according to claim 1, characterized by comprising the following steps:
1) uniformly mixing polyamide 56, a compatilizer, an antioxidant and a lubricant, adding the mixture into a double-screw extruder, melting the mixture, and extruding the mixture into an impregnation die connected with the head of the double-screw extruder; then, the long glass fiber is fully impregnated by the extruded melt through an impregnation die, and finally, the long glass fiber is cooled, drawn and cut into granules to obtain long glass fiber reinforced polyamide 56 master batches;
2) weighing polyamide 56, a flame retardant, an antioxidant and a lubricant in proportion, uniformly mixing, and extruding and granulating at 210-260 ℃ by using a double-screw extruder to obtain flame retardant master batches;
3) weighing the long glass fiber reinforced polyamide 56 master batch, the flame retardant master batch and the polyamide 56 resin according to a proportion, and then uniformly mixing to obtain a first mixture;
4) drying the first mixture and then performing injection molding, wherein the injection molding conditions are as follows: the temperature of the first zone is 230-270 ℃, the temperature of the second zone is 250-280 ℃, the temperature of the third zone is 240-290 ℃, the temperature of the fourth zone is 265-295 ℃, the pressure is 60-90MPa, and the speed is 40-70 mm/s.
3. The method for preparing the long glass fiber flame retardant reinforced bio-based polyamide 56 applied to the power storage battery of the electric vehicle as claimed in claim 2, wherein the long glass fiber in the step 1) is an alkali-free high-strength continuous glass fiber, the diameter of the glass fiber is 10-24um, and the linear density is 1000-4800 TEX.
4. The preparation method of the long glass fiber flame retardant reinforced bio-based polyamide 56 applied to the power storage battery of the electric automobile according to claim 2, wherein the antioxidant is one or more of antioxidant 1098, antioxidant 944, antioxidant 168 and antioxidant 1790; the compatilizer is selected from one or more of epoxy resin and modified substances thereof, styrene copolymer, maleic anhydride grafted substances and acrylic glycidyl ester modified substances.
5. The method for preparing the long glass fiber flame retardant reinforced bio-based polyamide 56 applied to the power storage battery of the electric automobile according to claim 2, wherein the lubricant is silicone powder or erucamide.
6. The preparation method of the long glass fiber flame retardant reinforced bio-based polyamide 56 applied to the power storage battery of the electric automobile according to claim 2, wherein the polyamide 56, the compatilizer, the antioxidant, the lubricant and the long glass fiber in the master batch of the long glass fiber reinforced polyamide 56 in the step 1) are sequentially as follows in percentage by mass: 10-80%, 0.2-5%, 0.2-2%, 0.5-2% and 10-50%.
7. The preparation method of the long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to the power storage battery of the electric automobile according to claim 2, wherein the mass percentages of the polyamide 56, the flame retardant, the antioxidant and the lubricant in the flame retardant master batch are 20-70%, 40-70%, 1-2% and 3-10% in sequence; wherein the flame retardant is one or more of nitrogen and phosphorus flame retardants.
8. The long glass fiber flame-retardant reinforced bio-based polyamide 56 alloy applied to the power storage battery of the electric automobile is characterized by comprising the following components in percentage by mass:
9. the preparation method of the long glass fiber flame retardant reinforced bio-based polyamide 56 alloy applied to the power storage battery of the electric automobile according to claim 8, characterized by comprising the following steps:
1) uniformly mixing polyamide 56, a compatilizer, an antioxidant and a lubricant, adding the mixture into a double-screw extruder, melting the mixture, and extruding the mixture into an impregnation die connected with the head of the double-screw extruder; then, the long glass fiber is fully impregnated by the extruded melt through an impregnation die, and finally, the long glass fiber is cooled, drawn and cut into granules to obtain long glass fiber reinforced polyamide 56 master batches;
2) weighing polyamide 56, a flame retardant, an antioxidant and a lubricant in proportion, uniformly mixing, and extruding and granulating at 210-260 ℃ by using a double-screw extruder to obtain flame retardant master batches;
3) weighing the long glass fiber reinforced polyamide 56 master batch, the flame retardant master batch, the polyamide 56 resin and the polyamide 66 resin in proportion, and uniformly mixing to obtain a second mixture;
4) and drying the second mixture and then performing injection molding, wherein the injection molding conditions are as follows: the temperature of the first zone is 230-.
10. An electric vehicle power storage battery case, characterized in that the case is made of the long glass fiber flame retardant reinforced bio-based polyamide 56 of claim 1 or the long glass fiber flame retardant reinforced bio-based polyamide 56 alloy of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110946921.7A CN113637192A (en) | 2021-08-18 | 2021-08-18 | Long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to power storage battery of electric automobile, alloy thereof and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110946921.7A CN113637192A (en) | 2021-08-18 | 2021-08-18 | Long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to power storage battery of electric automobile, alloy thereof and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113637192A true CN113637192A (en) | 2021-11-12 |
Family
ID=78422657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110946921.7A Pending CN113637192A (en) | 2021-08-18 | 2021-08-18 | Long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to power storage battery of electric automobile, alloy thereof and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113637192A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350145B (en) * | 2021-12-30 | 2024-02-20 | 上海普利特复合材料股份有限公司 | Cross-linked structure long glass fiber reinforced multi-component copolymerization bio-based high-temperature polyamide composition and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216650A (en) * | 2017-06-02 | 2017-09-29 | 中山康诺德新材料有限公司 | A kind of long glass fiber reinforced halogen-free reinforced nylon compound and preparation method thereof |
| CN108795032A (en) * | 2017-04-28 | 2018-11-13 | 上海凯赛生物技术研发中心有限公司 | Long glass fiber reinforced polyamide 5X compositions with high fluidity and preparation method thereof |
| CN109957241A (en) * | 2017-12-14 | 2019-07-02 | 上海凯赛生物技术研发中心有限公司 | A kind of thermoplastic flame-proof enhancing biology base PA56 and PA66 composite material and preparation method |
| CN111484739A (en) * | 2019-12-26 | 2020-08-04 | 重庆会通科技有限公司 | Flame-retardant reinforced polyamide composition and preparation method thereof |
| CN112759928A (en) * | 2021-03-06 | 2021-05-07 | 华东理工大学 | Preparation method of environment-friendly high-toughness flame-retardant bio-based polyamide |
-
2021
- 2021-08-18 CN CN202110946921.7A patent/CN113637192A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108795032A (en) * | 2017-04-28 | 2018-11-13 | 上海凯赛生物技术研发中心有限公司 | Long glass fiber reinforced polyamide 5X compositions with high fluidity and preparation method thereof |
| CN107216650A (en) * | 2017-06-02 | 2017-09-29 | 中山康诺德新材料有限公司 | A kind of long glass fiber reinforced halogen-free reinforced nylon compound and preparation method thereof |
| CN109957241A (en) * | 2017-12-14 | 2019-07-02 | 上海凯赛生物技术研发中心有限公司 | A kind of thermoplastic flame-proof enhancing biology base PA56 and PA66 composite material and preparation method |
| CN111484739A (en) * | 2019-12-26 | 2020-08-04 | 重庆会通科技有限公司 | Flame-retardant reinforced polyamide composition and preparation method thereof |
| CN112759928A (en) * | 2021-03-06 | 2021-05-07 | 华东理工大学 | Preparation method of environment-friendly high-toughness flame-retardant bio-based polyamide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350145B (en) * | 2021-12-30 | 2024-02-20 | 上海普利特复合材料股份有限公司 | Cross-linked structure long glass fiber reinforced multi-component copolymerization bio-based high-temperature polyamide composition and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102010593B (en) | Mineral and long glass fiber reinforced nylon 6 composite material and preparation method thereof | |
| CN102010547A (en) | Mineral/long glass fiber reinforced polypropylene composite material and preparation method thereof | |
| CN102002181A (en) | High-toughness and high-strength polyethylene composite material and preparation method thereof | |
| CN105924955A (en) | Low-moisture-absorption wear-resistant carbon-fiber-reinforced high-temperature-resistant nylon composite material and preparation method thereof | |
| CN106939124A (en) | Continuous carbon fibre enhancing PA6 high-strength and high-modulus, conductive and heat-conductive composite and preparation method thereof | |
| CN102558847B (en) | Hydrolysis resistant continuous carbon fiber reinforced nylon 6 material and preparation method thereof | |
| CN105462239A (en) | Glass fiber reinforced nylon material for rail and preparation method of glass fiber reinforced nylon material | |
| CN108570227A (en) | A kind of low temperature resistant ultra-toughness halogen-free reinforced nylon alloy and preparation method thereof | |
| CN106009196A (en) | Anti-static macromolecular power cable material and preparation method thereof | |
| CN111944240A (en) | Polypropylene composite material and preparation method thereof | |
| CN112625432A (en) | Micro-foaming nylon composite material and application thereof | |
| CN113637192A (en) | Long glass fiber flame-retardant reinforced bio-based polyamide 56 applied to power storage battery of electric automobile, alloy thereof and preparation method thereof | |
| CN113429781A (en) | Long glass fiber reinforced bio-based polyamide 56, alloy and preparation method thereof | |
| CN113121962A (en) | Polytetrafluoroethylene/liquid crystal polymer composite material and preparation method thereof | |
| CN105632579A (en) | High-voltage-withstanding and fiber-reinforced macromolecular copper cable material and preparation method thereof | |
| CN101555348B (en) | Composite material of polycarylene ether nitrile fiberglass and preparation method thereof | |
| CN106398128B (en) | Halogen-free flameproof long glass fiber reinforced TPEE composite material and preparation method | |
| CN114015236A (en) | High-strength and high-wear-resistance carbon fiber reinforced polyphenylene sulfide composite material and preparation method thereof | |
| CN113801424A (en) | Thermoplastic resin composite material for notebook computer bottom shell and manufacturing method thereof | |
| CN104231605A (en) | Rare earth modified carbon fiber reinforced composite material and preparation method thereof | |
| CN108396402B (en) | High-toughness polyester staple fiber and preparation method thereof | |
| CN110358296A (en) | A kind of high tenacity continuous fiber reinforcement PPS composite material prepreg and preparation method thereof | |
| CN107254168A (en) | The fire-retardant nylon and preparation method of a kind of rub resistance | |
| CN110903623A (en) | 30% mineral-reinforced electroplated PC/ABS alloy material and preparation method thereof | |
| CN106280341B (en) | Halogen-free flameproof long glass fiber reinforced lactic acid 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 |