CN115491013B - Flame-retardant glass fiber reinforced polycarbonate composition and preparation method and application thereof - Google Patents
Flame-retardant glass fiber reinforced polycarbonate composition and preparation method and application thereof Download PDFInfo
- Publication number
- CN115491013B CN115491013B CN202211175317.XA CN202211175317A CN115491013B CN 115491013 B CN115491013 B CN 115491013B CN 202211175317 A CN202211175317 A CN 202211175317A CN 115491013 B CN115491013 B CN 115491013B
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- flame
- fiber reinforced
- retardant
- flame retardant
- 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.)
- Active
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
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- 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
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/5399—Phosphorus bound to nitrogen
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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 discloses a flame-retardant glass fiber reinforced polycarbonate composition, and a preparation method and application thereof, and belongs to the technical field of high polymer materials. The flame-retardant glass fiber reinforced polycarbonate composition comprises the following components in parts by weight: 50-90 parts of polycarbonate resin; 10-50 parts of glass fiber; 4-8 parts of phosphorus flame retardant; 0.2 to 2 parts of anti-dripping agent; 0-3 parts of processing aid; wherein, the glass fiber comprises round glass fiber and flat glass fiber, and the mass ratio of round glass fiber to flat glass fiber is 1: (0.03-0.3); the flat ratio of the flat glass fiber is 1: (3-4). The flame-retardant glass fiber reinforced polycarbonate composition effectively improves the ball pressure temperature of the polycarbonate composition through the synergistic effect of the flat glass fiber and the round glass fiber, and has good flame retardant property.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a flame-retardant glass fiber reinforced polycarbonate composition, and a preparation method and application thereof.
Background
The glass fiber reinforced polycarbonate has excellent characteristics of high strength, high rigidity, high heat resistance, good dimensional stability and the like, and is widely applied to the fields of household appliances, consumer electronics, medical appliances and the like. The development of industry has put higher and higher requirements on the performance of materials, and many industries require materials to meet the requirements of thin-wall flame retardance and have high ball pressure temperature.
Currently sulfonate flame retardants and phosphorus flame retardants are halogen-free flame retardants commonly used in glass fiber reinforced polycarbonates. The optional sulfonate flame retardant comprises potassium perfluorobutyl sulfonate, potassium benzenesulfonyl benzenesulfonate, sodium p-toluenesulfonate and the like, and the sulfonate flame retardant has a good flame retardant effect when the addition amount of the sulfonate flame retardant is small, and has little influence on the heat resistance of the glass fiber reinforced polycarbonate, however, because the flame retardant mechanism of the sulfonate flame retardant is used for catalyzing the degradation of the polycarbonate into carbon, dripping ignition easily occurs when the thickness of the polycarbonate prepared by the sulfonate flame retardant is small, and thus, thin-wall flame retardance cannot be stably realized.
The phosphorus flame retardant generally comprises bisphenol A bis (phenyl phosphate), hexaphenoxy cyclotriphosphazene and the like, and has lower flame retardant efficiency, but can achieve the thin-wall flame retardant effect only by adding a large amount of phosphorus flame retardant. However, since the phosphorus flame retardant is a small molecule, it has a remarkable plasticizing effect, which results in a significant decrease in the ball pressure temperature of the material. Moreover, glass fibers in glass fiber reinforced polycarbonates further exacerbate the contradiction between flame retardance and heat resistance: on one hand, the glass fiber can generate a candlewick effect, so that the flame retardance of a system is more difficult to realize, and more flame retardant is needed to be added to improve the flame retardance; on the other hand, glass fiber can slip and drive surrounding molecular chains to move under the plasticizing action of the flame retardant in the ball pressure temperature test process, so that the ball pressure temperature of the material is further reduced. Therefore, the high ball pressure temperature and the thin wall flame retardance are difficult to be improved simultaneously in the glass fiber reinforced polycarbonate system.
The prior art discloses a high-performance glass fiber reinforced PC material, which comprises polycarbonate and glass fiber, wherein a hypophosphite flame retardant is added to compound a phosphorus-nitrogen flame retardant, the flame retardant grade of V0 is achieved at the addition amount of 2% -4%, the heat distortion temperature can reach 130 ℃, and the problem that the flame retardant has a large influence on the heat distortion temperature of the material is solved.
The heat distortion temperature and the ball press temperature are related to heat resistance, but the heat distortion temperature and the ball press temperature are different in emphasis point and testing method, and the application products are different.
Load Heat Distortion Temperature (HDT), for short, is generally used for evaluating rigidity (elastic modulus) of automobiles, instruments, electronic insulators, moving parts, etc. (such as automobile bumpers) in a high temperature state. The test for heat distortion temperature is a simple mechanical model with 3 points as support and load applied in the vertical direction, similar to the bending test. Flexural modulus is the breaking load measured at a constant strain rate. In contrast, the heat distortion temperature is a temperature at which a set amount of distortion is achieved by a constant temperature rise (2 ℃/m 22) in a state where a constant load (1.8 MPa) is applied. It has the characteristics of short time, weak heating and small load.
And the hot ball pressure test is mainly used for evaluating the heat resistance of materials (such as a power adapter, a touch switch and the like) which are used for supporting charged components and are contacted with electronic and electric appliances. Under the high temperature condition, the structural characteristics of the high polymer material can be changed essentially, such as melting or softening, so that the physical and mechanical strength is reduced rapidly, the quality of an electric product is directly affected, and the use safety is directly improved, therefore, the material is required to have a good supporting structure under the conditions of continuous high temperature and long-term heating in a hot ball pressure test. Compared with the thermal deformation temperature, the ball pressure temperature has the characteristics of long time, strong heating and large load. In addition, the thermal deformation temperature reflects the deformation capacity of the whole material, and the load acts on the whole spline; while the ball pressure temperature is a local effect.
That is, the hot ball pressure test conditions are more severe than the thermal deformation temperature test, the difficulty of passing the hot ball pressure test is greater, and the test results of the hot ball pressure test and the hot ball pressure test have no equivalent relationship.
Disclosure of Invention
The invention aims to overcome the defect and the defect that the thin-wall flame retardant property and the ball pressure temperature of the existing polycarbonate material cannot be improved at the same time, and provides the flame-retardant glass fiber reinforced polycarbonate composition, which effectively improves the ball pressure temperature of the polycarbonate composition through the synergistic effect of flat glass fibers and round glass fibers and has good flame retardant property.
The invention further aims to provide an application of the flame-retardant glass fiber reinforced polycarbonate composition in preparing an electronic and electrical support or a lithium battery shell.
The above object of the present invention is achieved by the following technical scheme:
the flame-retardant glass fiber reinforced polycarbonate composition comprises the following components in parts by weight:
wherein, the glass fiber comprises round glass fiber and flat glass fiber, and the mass ratio of round glass fiber to flat glass fiber is 1: (0.03-0.3);
the flat ratio of the flat glass fiber is 1: (3-4).
Flattening ratio refers to the ratio of the cross-sectional width to the cross-sectional length of the glass fiber.
The flame-retardant glass fiber reinforced polycarbonate composition comprises round glass fibers and flat glass fibers, wherein the flat glass fibers can obstruct and disturb the parallel orientation arrangement of the round glass fibers, and promote the formation of a messy lapped glass fiber network structure, and the messy lapped glass fiber network structure can weaken the candle core effect of the round glass fibers and can realize the improvement of flame retardant performance without adding excessive flame retardants.
Moreover, the flat glass fibers are difficult to slip, and the flat glass fibers can be dispersed among the round glass fibers to play an anchoring role, so that the round glass fibers in the resin are prevented from migrating under the conditions of high temperature and heavy load in the ball pressure test, and the material has a high ball pressure temperature.
The mass ratio of the round glass fibers to the flat glass fibers has an influence on the flame retardance and the ball pressure temperature of the composition, and the mass ratio of the round glass fibers to the flat glass fibers is too small, namely, the amount of the flat glass fibers is too large, friction among the flat glass fibers is increased, breakage is obvious, the retention length of the flat glass fibers is short, the effect of preventing the round glass fibers from being arranged in an oriented manner and anchoring the round glass fibers cannot be effectively achieved, and therefore the ball pressure temperature of the composition cannot be improved.
The mass ratio of the round glass fibers to the flat glass fibers is too large, namely the quantity of the flat glass fibers is too small, the friction breaking effect among the flat glass fibers is weak, the retention length of the flat glass fibers is long, the flat glass fibers are easy to orient and arrange, the quantity of the flat glass fibers is small, the curve distribution and the anchoring effect of the round glass fibers cannot be effectively hindered, and therefore the ball pressure temperature of the composition cannot be improved.
The larger the flat ratio of the flat glass fiber is, the closer the shape is to the round glass fiber, the slip is easy to occur by the flat glass fiber, and the flat surface is narrower, and the blocking effect on the round glass fiber is not obvious, so that the ball pressure temperature of the composition is not obviously increased.
The smaller the flat ratio of the flat glass fiber is, the closer the shape is to the sheet shape, the poorer the strength is, and the crushing is easy in the extrusion process, so that the blocking effect and the anchoring effect on the round glass fiber cannot be achieved.
In order to further improve the flame retardant property and the ball pressure temperature of the composition at the same time, it is preferable that the mass ratio of the round glass fiber to the flat glass fiber is 1: (0.05-0.15).
In order to further improve both the flame retardant properties and the ball pressure temperature of the composition, it is preferable that the average retention length of the flat glass fibers in the composition is 50 to 150 μm.
Still more preferably, the composition has an average retention length of the flat glass fibers of 60 to 120 μm.
Preferably, in the composition, the round glass fibers have an average retention length of 200 to 400 μm.
The average retention length of the round glass fiber influences the flame retardance and the ball pressure temperature of the composition, and when the average retention length is too long, the candle core effect is more remarkable, so that the flame retardance is reduced; too short an average hold length is more prone to slipping and can reduce the ball press temperature.
Preferably, in the composition, the round glass fibers have an average diameter of 9 to 13 μm.
Preferably, the phosphorus flame retardant is a phosphazene flame retardant and/or a phosphate flame retardant. (bisphenol A bis (phenyl phosphate) is a phosphate flame retardant)
The phosphazene flame retardant is hexaphenoxy cyclotriphosphazene.
The phosphate flame retardant is bisphenol A bis (phenyl phosphate) and/or resorcinol bis (diphenyl phosphate).
The anti-dripping agent is polytetrafluoroethylene.
Preferably, the processing aid is an antioxidant and/or a lubricant, and the antioxidant is a hindered phenol antioxidant.
The antioxidant can improve the antioxidant effect of the flame-retardant glass fiber reinforced polycarbonate composition, and the lubricant can improve the lubricating effect of the flame-retardant glass fiber reinforced polycarbonate composition.
In practical applications, the average molecular weight of the polycarbonate resin may be 20000 to 50000.
The invention also discloses a preparation method of the flame-retardant glass fiber reinforced polycarbonate composition, which comprises the following steps:
s1, uniformly mixing polycarbonate resin and flat glass fibers, and extruding and granulating by a double-screw extruder to obtain a glass fiber movement inhibitor;
s2, uniformly mixing the polycarbonate resin, the glass fiber movement inhibitor and other components, performing melt extrusion at the temperature of 210-250 ℃ by a double-screw extruder, granulating, and drying to obtain the flame-retardant glass fiber reinforced polycarbonate composition;
wherein, the mass ratio of the polycarbonate resin to the flat glass fiber in the S1 is (1:0.2-0.3);
the mass ratio of the polycarbonate resin in S1 to the polycarbonate resin in S2 is (0.1-0.2): 1.
the flame-retardant glass fiber reinforced polycarbonate composition prepared by the invention has good flame retardance and high ball pressure temperature, can be widely applied to the preparation of plastic products, and particularly protects the application of the flame-retardant glass fiber reinforced polycarbonate composition in the preparation of an electronic and electrical bracket or a lithium battery shell.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a flame-retardant glass fiber reinforced polycarbonate composition, which comprises polycarbonate resin, glass fiber, phosphorus flame retardant, anti-dripping agent and processing aid, wherein the spherical pressure temperature of the polycarbonate composition is effectively improved through the synergistic effect of flat glass fiber and round glass fiber, and meanwhile, the flame-retardant glass fiber reinforced polycarbonate composition has good flame retardant property.
The flame-retardant grade of the flame-retardant glass fiber reinforced polycarbonate composition can reach V0 grade, and the ball pressure temperature can reach more than 115 ℃.
Detailed Description
The invention will be further described with reference to the following specific embodiments, but the examples are not intended to limit the invention in any way. Raw materials reagents used in the examples of the present invention are conventionally purchased raw materials reagents unless otherwise specified.
Polycarbonate resin 1: PC 1300 10np with an average molecular weight of 35000, korean LG chemistry limited;
polycarbonate resin 2: PC 1300 03NP with an average molecular weight of 48000, korean LG chemistry limited;
polycarbonate resin 3: PC 1300 22np with an average molecular weight of 20500, korean LG chemistry limited;
glass fiber A1: round glass fiber, ECS11-3.0-T435N, average diameter 10 μm, china boulder Co., ltd;
glass fiber A2: round glass fibers, ECS07-03-508A, average diameter 7.5 μm, china boulder Co., ltd;
glass fiber B1: flat glass fiber with the trade name of ECS301HP-3-M3 and the flat ratio of 1:3 is manufactured by Chongqing International composite material Co., ltd;
glass fiber B2: flat glass fiber, trade name ECS301HP-3-M4, flat ratio 1:4, china boulder Co., ltd;
glass fiber B3: flat glass fiber with the brand of TFG-3.0-T4355 and the flat ratio of 1:3.5, taishan glass fiber Co., ltd;
glass fiber B4: flat glass fiber, with the brand of NITTOBO CSH3PA-870, the flat ratio of 1:2, NITTO BOSEKI, japan;
phosphorus flame retardant 1: hexaphenoxy cyclotriphosphazene, brand FP-110T, manufacturer Japanese vowels;
phosphorus flame retardant 2: bisphenol A bis (phenyl phosphate), brand FP-600, manufacturer Ai Dike;
phosphorus flame retardant 3: resorcinol bis (diphenyl phosphate), brand WSFR-RDP, manufacturer Wansheng;
anti-drip agent: polytetrafluoroethylene, commercially available and the same for all examples and comparative examples;
and (3) a lubricant: stearate lubricants are commercially available and are the same for all examples and comparative examples;
an antioxidant: hindered phenolic antioxidants are commercially available and are the same for all examples and comparative examples.
Examples 1 to 16
The flame-retardant glass fiber reinforced polycarbonate composition comprises the following components in parts by weight:
a polycarbonate resin; glass fibers; a phosphorus flame retardant; anti-drip agents and processing aids, wherein the specific amounts of the components are shown in table 1 below.
Table 1 composition (in parts by weight) of flame retardant glass fiber reinforced polycarbonate compositions of the examples
Continuing with table 1:
the preparation method of the flame-retardant glass fiber reinforced polycarbonate composition specifically comprises the following steps:
s1, uniformly mixing polycarbonate resin and flat glass fibers, and extruding and granulating by a double-screw extruder to obtain a glass fiber movement inhibitor;
s2, uniformly mixing the polycarbonate resin, the glass fiber movement inhibitor and other components, performing melt extrusion at the temperature of 210-250 ℃ by a double-screw extruder, granulating, and drying to obtain the flame-retardant glass fiber reinforced polycarbonate composition;
wherein the round glass fiber is added from a side feeding port of the double-screw extruder;
wherein, the mass ratio of the polycarbonate resin to the flat glass fiber in the S1 is (1:0.3);
the mass ratio of the polycarbonate resin in S1 to the polycarbonate resin in S2 is 0.1:1, a step of;
wherein, the length-diameter ratio of the screw is 45:1, and the rotating speed of the screw is 300rpm.
Example 17
The same amount of the components as in example 1, and the preparation method is different from example 1:
uniformly mixing the components, adding the components from a main feeding port of a double-screw extruder, performing melt extrusion at the temperature of 210-250 ℃, granulating, and drying to obtain the flame-retardant glass fiber reinforced polycarbonate composition;
wherein the round glass fiber is added from a side feeding port of the double-screw extruder;
wherein, the length-diameter ratio of the screw is 45:1, and the rotating speed of the screw is 300rpm.
Comparative examples 1 to 6
The flame-retardant glass fiber reinforced polycarbonate composition comprises the following components in parts by weight:
a polycarbonate resin; glass fibers; a phosphorus flame retardant; anti-drip agents and processing aids, wherein the specific amounts of the components are shown in table 2 below.
Table 2 composition (in parts by weight) of flame retardant glass fiber reinforced polycarbonate compositions of the respective comparative examples
| Component (A) | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | Comparative example 6 |
| Polycarbonate resin 1 | 85 | 85 | 85 | 85 | 85 | 85 |
| Glass fiber A1 | 15 | 15 | 15 | 15 | 15 | 15 |
| Glass fiber B1 | / | 0.2 | 6 | / | / | / |
| Glass fiber B4 | / | / | / | / | / | 1 |
| Phosphorus flame retardant 1 | 6 | 6 | 6 | 2 | 8 | 6 |
| Anti-dripping agent | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Antioxidant | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
The preparation method of the flame-retardant glass fiber reinforced polycarbonate composition is the same as in examples 1 to 16.
Result detection
The flame retardant glass fiber reinforced polycarbonate compositions of the above examples and comparative examples were tested by the following performance test methods:
(1) Flame retardant rating: flammability testing was performed following the protocol of "flammability test of plastics materials, UL 94-2019". Flame retardant rating is derived based on the burn rate, the extinguishing time, the ability to resist dripping, and whether dripping is burning. Sample for testing: 125mm in length and 13mm in width, the thickness of the material is selected to be 2.0mm when the material is tested, and the flame retardant grades of the material can be classified into UL 94V 0, V1, V2 and the like according to UL94 regulations.
(2) Ball press temperature: ball pressure temperature was measured according to IEC60695-10-2-2003 standard methods using 4mm thick 40mm diameter disc specimens.
(3) Determination of glass fiber retention length L in flame retardant glass fiber reinforced polycarbonate composition: the glass fiber retention length (average) in the material was determined according to the ISO 22314-2006 standard method.
(4) Tensile strength: tensile strength according to ISO 527-1-2019 standard, tensile speed 10mm/m22;
specific test results are shown in Table 3 below:
from the data, the flame retardant glass fiber reinforced polycarbonate composition has flame retardant performance reaching V0 level and ball pressure temperature reaching 115 deg.c.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (8)
1. The flame-retardant glass fiber reinforced polycarbonate composition is characterized by comprising the following components in parts by weight:
50-90 parts of polycarbonate resin;
10-50 parts of glass fiber;
4-8 parts of a phosphorus flame retardant;
0.2-2 parts of anti-dripping agent;
0-3 parts of a processing aid;
wherein, the glass fiber comprises round glass fiber and flat glass fiber, and the mass ratio of round glass fiber to flat glass fiber is 1: (0.03-0.3);
the flat ratio of the flat glass fiber is 1: (3-4);
in the composition, the average retention length of the flat glass fiber is 50-150 mu m;
in the composition, the average retention length of the round glass fibers is 200-400 mu m.
2. The flame retardant glass fiber reinforced polycarbonate composition of claim 1, wherein the mass ratio of round glass fiber to flat glass fiber is 1: (0.05 to 0.15).
3. The flame retardant glass fiber reinforced polycarbonate composition of claim 1, wherein the average retained length of the flat glass fibers in the composition is 60 to 120 μm.
4. The flame retardant glass fiber reinforced polycarbonate composition of claim 1, wherein the round glass fibers in the composition have an average diameter of 9 to 13 μm.
5. The flame retardant glass fiber reinforced polycarbonate composition of claim 1, wherein the phosphorus flame retardant is a phosphazene flame retardant.
6. The flame retardant glass fiber reinforced polycarbonate composition of claim 1, wherein the processing aid is an antioxidant and/or a lubricant, and the antioxidant is a hindered phenolic antioxidant.
7. The method for preparing the flame-retardant glass fiber reinforced polycarbonate composition according to any one of claims 1 to 6, comprising the following steps:
s1, uniformly mixing polycarbonate resin and flat glass fibers, and extruding and granulating by a double-screw extruder to obtain a glass fiber movement inhibitor;
s2, uniformly mixing the polycarbonate resin, the glass fiber movement inhibitor and other components, carrying out melt extrusion and granulation at the temperature of 210-250 ℃ through a double-screw extruder, and drying to obtain the flame-retardant glass fiber reinforced polycarbonate composition;
wherein the mass ratio of the polycarbonate resin to the flat glass fiber in the S1 is (1:0.2-0.3);
the mass ratio of the polycarbonate resin in the S1 to the polycarbonate resin in the S2 is (0.1-0.2): 1.
8. an application of the flame-retardant glass fiber reinforced polycarbonate composition according to any one of claims 1-6 in preparing an electronic and electrical support or a lithium battery shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211175317.XA CN115491013B (en) | 2022-09-26 | 2022-09-26 | Flame-retardant glass fiber reinforced polycarbonate composition and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211175317.XA CN115491013B (en) | 2022-09-26 | 2022-09-26 | Flame-retardant glass fiber reinforced polycarbonate composition and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115491013A CN115491013A (en) | 2022-12-20 |
| CN115491013B true CN115491013B (en) | 2023-08-29 |
Family
ID=84470687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211175317.XA Active CN115491013B (en) | 2022-09-26 | 2022-09-26 | Flame-retardant glass fiber reinforced polycarbonate composition and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115491013B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007246824A (en) * | 2006-03-17 | 2007-09-27 | Idemitsu Kosan Co Ltd | Glass-fiber reinforced polycarbonate resin composition and its molded article |
| CN101665620A (en) * | 2008-09-04 | 2010-03-10 | 帝人化成株式会社 | Lens barrel made from glass fiber reinforced flame retardant resin composition |
| CN101962471A (en) * | 2009-07-24 | 2011-02-02 | 帝人化成株式会社 | Glass fiber reinforced resin composition |
| JP2015168811A (en) * | 2014-03-11 | 2015-09-28 | 三菱エンジニアリングプラスチックス株式会社 | Thermal conductive polycarbonate resin composition and molded product |
| CN107580616A (en) * | 2015-04-30 | 2018-01-12 | 三星电子株式会社 | The method of polymer composition, moulding article and the manufacture moulding article |
| WO2020054223A1 (en) * | 2018-09-10 | 2020-03-19 | 住化ポリカーボネート株式会社 | Fiber-reinforced polycarbonate resin composition |
| CN113801452A (en) * | 2020-06-12 | 2021-12-17 | 汉达精密电子(昆山)有限公司 | High-performance glass fiber reinforced PC material and product thereof |
-
2022
- 2022-09-26 CN CN202211175317.XA patent/CN115491013B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007246824A (en) * | 2006-03-17 | 2007-09-27 | Idemitsu Kosan Co Ltd | Glass-fiber reinforced polycarbonate resin composition and its molded article |
| CN101665620A (en) * | 2008-09-04 | 2010-03-10 | 帝人化成株式会社 | Lens barrel made from glass fiber reinforced flame retardant resin composition |
| CN101962471A (en) * | 2009-07-24 | 2011-02-02 | 帝人化成株式会社 | Glass fiber reinforced resin composition |
| JP2015168811A (en) * | 2014-03-11 | 2015-09-28 | 三菱エンジニアリングプラスチックス株式会社 | Thermal conductive polycarbonate resin composition and molded product |
| CN107580616A (en) * | 2015-04-30 | 2018-01-12 | 三星电子株式会社 | The method of polymer composition, moulding article and the manufacture moulding article |
| WO2020054223A1 (en) * | 2018-09-10 | 2020-03-19 | 住化ポリカーボネート株式会社 | Fiber-reinforced polycarbonate resin composition |
| CN113801452A (en) * | 2020-06-12 | 2021-12-17 | 汉达精密电子(昆山)有限公司 | High-performance glass fiber reinforced PC material and product thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115491013A (en) | 2022-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111286163A (en) | Reinforced flame-retardant low-warpage PBT (polybutylene terephthalate) alloy material and preparation method thereof | |
| CN110982258A (en) | Floating-fiber-free high-glass-fiber-reinforced nylon material and preparation method thereof | |
| CN101397396A (en) | Polycarbonate and acrylic nitrile-butadiene-phenylethylene grafted copolymer heat resisting and flame-retardant alloy | |
| CN112194893B (en) | Hydrolysis-resistant reinforced flame-retardant PA6-POK alloy material and preparation method thereof | |
| CN102382427B (en) | Antistatic enhanced poly butylenes terephthalate composite material and preparation method thereof | |
| WO2023179555A1 (en) | Halogen-free flame-retardant polycarbonate/styrene resin alloy, and preparation method therefor and use thereof | |
| CN109370210B (en) | Efficient enhanced halogen-free flame-retardant functional master batch for direct injection molding of nylon 6 and preparation method thereof | |
| CN115491013B (en) | Flame-retardant glass fiber reinforced polycarbonate composition and preparation method and application thereof | |
| CN114031915A (en) | Stable flame-retardant polycarbonate alloy composition and preparation method and application thereof | |
| CN112322020A (en) | Polyphenyl ether resin composition and preparation method thereof, and wire slot and preparation method thereof | |
| CN108384178A (en) | A kind of halogen-free flame-retardant ABS compound material and preparation method thereof | |
| CN112662077A (en) | Antistatic graphene-coated aluminum microsphere modified PP composite material and preparation method thereof | |
| CN104448685A (en) | Ceramic fiber reinforced flame retardant ABS and preparation method thereof | |
| CN109486154B (en) | Efficient halogen-free enhanced flame-retardant functional master batch for direct injection molding of PC-ABS (polycarbonate-acrylonitrile butadiene styrene) alloy and preparation method thereof | |
| CN113773628A (en) | Flame-retardant PC composition and preparation method thereof | |
| WO2021036612A1 (en) | Glass fiber-reinforced polycarbonate composite material and preparation method and use therefor | |
| CN113801452A (en) | High-performance glass fiber reinforced PC material and product thereof | |
| CN114672142B (en) | PBT composition, and preparation method and application thereof | |
| CN116444973B (en) | Flame-retardant polycarbonate material and preparation method and application thereof | |
| CN115819944B (en) | Flame-retardant polycarbonate composition easy to demould | |
| CN115433450B (en) | Glass-ore composite reinforced PC alloy composition with good appearance, and preparation method and application thereof | |
| CN114621573B (en) | Halogen-free flame-retardant carbon fiber reinforced polycarbonate composition and preparation method and application thereof | |
| CN116218209B (en) | Polyamide composite material and preparation method and application thereof | |
| CN114957953B (en) | Hydrolysis-resistant low-temperature impact-resistant halogen-free flame-retardant PC/PBT alloy material and preparation method thereof | |
| CN116285334A (en) | High-transparency flame-retardant bio-based polyamide material, and preparation method and application 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |