CN116891625A - High-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and preparation method thereof - Google Patents
High-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and preparation method thereof Download PDFInfo
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- CN116891625A CN116891625A CN202310773171.7A CN202310773171A CN116891625A CN 116891625 A CN116891625 A CN 116891625A CN 202310773171 A CN202310773171 A CN 202310773171A CN 116891625 A CN116891625 A CN 116891625A
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 90
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000000956 alloy Substances 0.000 title claims abstract description 69
- 229920007019 PC/ABS Polymers 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 21
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000012745 toughening agent Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 22
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920000147 Styrene maleic anhydride Polymers 0.000 claims description 5
- -1 fatty acid ester Chemical class 0.000 claims description 5
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 4
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical group O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- AYEKOFBPNLCAJY-UHFFFAOYSA-O thiamine pyrophosphate Chemical compound CC1=C(CCOP(O)(=O)OP(O)(O)=O)SC=[N+]1CC1=CN=C(C)N=C1N AYEKOFBPNLCAJY-UHFFFAOYSA-O 0.000 claims description 2
- 150000007970 thio esters Chemical class 0.000 claims description 2
- 239000001993 wax Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 1
- 239000008187 granular material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 12
- 229910045601 alloy Inorganic materials 0.000 description 10
- 230000032683 aging Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- GKTNLYAAZKKMTQ-UHFFFAOYSA-N n-[bis(dimethylamino)phosphinimyl]-n-methylmethanamine Chemical compound CN(C)P(=N)(N(C)C)N(C)C GKTNLYAAZKKMTQ-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- Chemical & Material Sciences (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 high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and a preparation method thereof, wherein the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material comprises the following raw materials in percentage by mass: 75% -90% of silicon PC resin, 5% -10% of ABS, 4% -10% of flame retardant A, 0.1% -1% of flame retardant B, 2% -5% of toughening agent, 2% -5% of compatilizer, 0.2% -0.5% of antioxidant, 0.2% -0.5% of lubricant and 0.1% -0.5% of anti-dripping agent, and simultaneously discloses a preparation method of the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material. The high-temperature and high-humidity resistant halogen-free flame-retardant PC/ABS alloy material prepared by the method has high-temperature and high-humidity performance, good flame-retardant performance and mechanical property, and is easy to mold and process, and the prepared PC/ABS alloy material can be used for sports goods, charging pile shells, power battery peripheral parts and other goods.
Description
Technical Field
The invention relates to the field of modification of high polymer materials, in particular to a high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and a preparation method thereof.
Background
The PC/ABS alloy is an engineering plastic with excellent performance, which is prepared by melt blending PC and ABS, has the advantages of both PC and ABS in performance, overcomes the defects of a single material, and greatly improves the comprehensive performance of the alloy material. Compared with ABS, the ABS alloy has improved mechanical properties such as high temperature resistance, impact strength, tensile strength and the like; compared with PC, the melt viscosity, molding processability, coatability and melt fluidity of the blend alloy are greatly improved. Meanwhile, the addition of ABS remarkably reduces the cost of products, so that the ABS alloy is rapidly developed in recent years and is widely applied to a plurality of fields such as automobile parts, electronic appliances, communication equipment, lighting equipment, office equipment, packaging materials and the like.
With the rapid development of new energy automobiles, the use requirements of materials for battery shells are gradually becoming severe, so that the materials are required to have excellent flame retardant performance, and the materials can maintain certain strength under the conditions of high temperature and high humidity, so that PC/ABS alloy has low cost and good comprehensive performance, and can just meet the requirements of battery shell products, thereby paying attention. However, the PC/ABS alloy material is poor in hydrolysis resistance, and particularly for halogen-free flame-retardant PC/ABS, the alloy is poor in temperature resistance, so that if the high-temperature and high-humidity resistance of a flame-retardant alloy system is provided, the high-temperature and high-humidity resistance is always the hot spot of current research. In patent CN 107189396, a hydrolysis-resistant PC-ABS alloy is disclosed, and the material has excellent hydrolysis resistance, but the material has no flame retardant effect.
By combining the characteristics, a PC/ABS alloy material with high temperature resistance, high humidity resistance and flame retardance is developed. Can still maintain certain toughness after high-temperature high-humidity aging under certain conditions.
Disclosure of Invention
In order to solve the problems of the materials, the invention provides a flame retardant with good flame retardant performance and mechanical property at the same time of high temperature and high humidity performance through the design and optimization of the formula.
The invention aims to provide a high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and a preparation method thereof.
The technical scheme adopted by the invention is as follows:
a high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and a preparation method thereof are provided, wherein the PC/ABS alloy material comprises the following raw materials in percentage by mass:
75 to 90 percent of silicon PC resin
ABS 5%-10%
4 to 10 percent of flame retardant A
0.1 to 1 percent of flame retardant B
2 to 5 percent of toughening agent
2 to 5 percent of compatilizer
0.2 to 0.5 percent of antioxidant
Lubricant 0.2-0.5%
0.1 to 0.5 percent of anti-dripping agent
In the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material, the melt index of the silicon PC resin is 10g/10 min-20 g/10min under the condition of 300 ℃ and 1.2kg
In the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material, the melt index of the ABS resin under the condition of 10kg at 220 ℃ is 10g/10 min-30 g/10min
In the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material, the flame retardant A is one or more of phosphorus flame retardants HPCTP, TPP, BDP, RDP and the like.
In the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material, the flame retardant B is one or more of sulfonate and silicon flame retardants.
The toughening agent in the high temperature and high humidity resistant halogen-free flame retardant PC/ABS alloy material is compounded by one or more of ABS high rubber powder, MBS, ACR, EVA.
In the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material, the compatilizer is styrene-maleic anhydride copolymer (SMA) and/or POE grafted glycidyl methacrylate.
In the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material, an antioxidant comprises a main antioxidant and an auxiliary antioxidant according to the mass ratio of 1:1 are compounded. Wherein the main antioxidant is hindered phenol antioxidant; the auxiliary antioxidant is at least one of phosphite antioxidants and thioester antioxidants.
In the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material, the lubricant is one or more of fatty acid amide, fatty acid ester, paraffin wax and polyethylene wax.
In the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material, the anti-dripping agent is prepared by coating PTFE with an SM/MMA composition, is white particles with high fluidity, has the particle size of 0.2 um and the PTFE content of 50 wt percent.
A high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and a preparation method thereof comprise the following steps:
1. the desired starting materials are dried thoroughly.
2. The PC and ABS raw materials, the required flame retardant and other auxiliary agents are placed into a stirring pot to be stirred for 5 minutes, so that the PC and ABS raw materials are fully and uniformly mixed.
3. Adding the fully and uniformly mixed mixture into a double-screw extruder, extruding, wherein the rotating speed is 350-450 r/min, the temperature is 220-250 ℃, cooling by a water tank, granulating and packaging to obtain the required high-temperature and high-humidity resistant halogen-free flame-retardant PC/ABS alloy material.
The PC material prepared by the invention can be used for outdoor articles, sports equipment, charging pile shells, power battery peripheral components and the like.
Compared with the prior art, the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material has the following advantages:
the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material has good flame retardant property.
The high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material has excellent performance and can still maintain certain toughness after high-temperature high-humidity aging under certain conditions.
Detailed Description
A high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and a preparation method thereof are provided, wherein the PC/ABS alloy material comprises the following raw materials in percentage by mass:
75 to 90 percent of silicon PC resin
ABS 5%-10%
4 to 8 percent of flame retardant A
0.1 to 1 percent of flame retardant B
2 to 5 percent of toughening agent
2 to 5 percent of compatilizer
0.2 to 0.5 percent of antioxidant
Lubricant 0.2-0.5%
0.1 to 0.5 percent of anti-dripping agent.
Preferably, the PC resin of the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material has a melt index of 15g/10 min-25 g/10min under the condition of 1.2kg at 300 ℃. Here we use the trade name silicon PC FG1760.
Preferably, the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material has a melt index of 10g/10 min-30 g/10min under the condition of 10kg at 220 ℃. Here we use the brand bulk ABS8391.
Preferably, the flame retardant A is phosphazene flame retardant HPCTP.
Preferably, the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material, and the flame retardant B is a silicon-containing flame retardant SI9800.
Preferably, the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material is an ACR silicon-containing toughening agent S2001.
Preferably, the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material, and the compatilizer A is styrene-maleic anhydride copolymer.
Preferably, the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material is characterized in that the compatilizer B is POE grafted glycidyl methacrylate.
Preferably, the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material is prepared by compounding 1076 and 168 according to a ratio of 1:1.
Preferably, the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material is characterized in that the lubricant is Pentaerythritol Ester (PETS).
Preferably, the anti-dripping agent of the high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material is an anti-dripping agent of PTFE coated by an SM/MMA composition, is white particles with high fluidity, has the particle size of 0.2 um and the PTFE content of 50 wt percent.
| Raw materials/wt% | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Conventional PC resin | 0 | 0 | 0 | 0 | 0 | 84.9 | 0 | |
| Silicon PC resin | 84 | 84.8 | 88.8 | 86.8 | 79.8 | 0 | 90 | 84.8 |
| ABS resin | 5 | 5 | 5 | 5 | 10 | 5 | 5 | 5 |
| Flame retardant A | 6 | 5 | 5 | 5 | 5 | 5 | 0 | 5 |
| Flame retardant B | 0 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0 | 0.2 |
| Toughening agent | 2 | 2 | 0 | 2 | 2 | 2 | 2 | 2 |
| Compatibilizing agent A | 2 | 2 | 0 | 0 | 2 | 2 | 2 | 0 |
| Compatibilizing agent B | 2 | |||||||
| Antioxidant | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Lubricant | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Anti-dripping agent | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
1. The desired starting materials are dried thoroughly.
2. The PC and ABS raw materials, the required flame retardant and other auxiliary agents are placed into a stirring pot to be stirred for 5 minutes, so that the PC and ABS raw materials are fully and uniformly mixed.
3. Adding the fully and uniformly mixed mixture into a double-screw extruder, extruding, wherein the rotating speed is 350-450 r/min, the temperature is 220-250 ℃, cooling by a water tank, granulating and packaging to obtain the required high-temperature and high-humidity resistant halogen-free flame-retardant PC/ABS alloy material.
| Test item | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Lzod notched impact strength KJ/m 2 | 58 | 60 | 53 | 57 | 55 | 56 | 58 | 58 |
| UL-94(1.6mm) | V2 | V0 | V0 | V0 | V0 | V0 | HB | V0 |
| 1000H (70 ℃,85% RH) notched impact | 18 | 21 | 13 | 15 | 12 | 9 | 29 | 26 |
From examples 1 and 2 in the table, it can be seen that the use of a single flame retardant can only make the flame retardant grade of the alloy reach 3.2-V2 grade, and when the flame retardant A and the flame retardant B are compounded, the use amount of the flame retardant A is reduced, the cost is reduced, and the flame retardant property of the material can reach V0 grade. From the notch impact strength, when the flame retardant B is added, the notch impact is slightly improved, because the flame retardant B is a silicon flame retardant, and the flame retardant B has flame retardant effect and is beneficial to improving mechanical properties when added into a system.
From examples 2 and 3, it can be seen that the toughness of the alloy system is improved when the toughening agent and the compatilizer are added, the notch impact strength of the material is also improved significantly, the notch of the system is severely reduced when the toughening agent and the compatilizer are not added under the aging condition of 1000H (70 ℃ and 85%RH), the notch impact is also lower when the toughening agent is added alone under the aging condition of 1000H (70 ℃ and 85%RH) than when the toughening agent is added alone, as can be seen from the data of examples 2 and 4. The material with increased ABS content in example 5 showed more severe notch drop after aging. The compatibilizer POE grafted glycidyl methacrylate has better wet heat aging resistance.
In comparative example 1, it can be seen that the notch of the material is severely reduced after aging at 1000H without using silicon PC, and it can be seen that the damp-heat resistance effect of silicon PC is relatively more excellent than that in comparative example 2. The notch still has 24 KJ/m after 1000H aging 2 。
The high-temperature and high-humidity resistant halogen-free flame-retardant PC/ABS alloy material has excellent comprehensive performance and wide application prospect.
Claims (9)
1. A high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and a preparation method thereof are provided, wherein the PC/ABS alloy material comprises the following raw materials in percentage by mass:
75 to 90 percent of silicon PC resin
ABS 5%-10%
4 to 10 percent of flame retardant A
0.1 to 1 percent of flame retardant B
2 to 5 percent of toughening agent
2 to 5 percent of compatilizer
0.2 to 0.5 percent of antioxidant
Lubricant 0.2-0.5%
0.1 to 0.5 percent of anti-dripping agent.
2. The high temperature and high humidity resistant halogen-free flame retardant PC/ABS alloy material as claimed in claim 1, wherein the melt index of the silicon PC resin is 10g/10 min-20 g/10min under the condition of 300 ℃ and 1.2 kg; the melt index of the ABS resin under the condition of 10kg at 220 ℃ is 10g/10 min-30 g/10min.
3. The high temperature and high humidity resistant halogen-free flame retardant PC/ABS alloy material according to claim 1, wherein the PC/ABS alloy material is characterized in that: the flame retardant A is one or more of phosphorus flame retardants HPCTP, TPP, BDP, RDP and the like; the flame retardant B is one or more of sulfonate and silicon flame retardants.
4. The high temperature and high humidity resistant halogen-free flame retardant PC/ABS alloy material according to claim 1, wherein the PC/ABS alloy material is characterized in that: the toughening agent is compounded by ABS high rubber powder, MBS, ACR, EVA and one or more of the components.
5. The high temperature and high humidity resistant halogen-free flame retardant PC/ABS alloy material according to claim 1, wherein the PC/ABS alloy material is characterized in that: the compatilizer is styrene-maleic anhydride copolymer (SMA) and/or POE grafted glycidyl methacrylate.
6. The high temperature and high humidity resistant halogen-free flame retardant PC/ABS alloy material according to claim 1, wherein the PC/ABS alloy material is characterized in that: the antioxidant comprises a main antioxidant and an auxiliary antioxidant according to the mass ratio of 1:1 are compounded. Wherein the main antioxidant is hindered phenol antioxidant; the auxiliary antioxidant is at least one of phosphite antioxidants and thioester antioxidants.
7. The high temperature and high humidity resistant halogen-free flame retardant PC/ABS alloy material according to claim 1, wherein the PC/ABS alloy material is characterized in that: the lubricant is one or more of fatty acid amide, fatty acid ester, paraffin and polyethylene wax.
8. The high temperature and high humidity resistant halogen-free flame retardant PC/ABS alloy material according to claim 1, wherein the PC/ABS alloy material is characterized in that: the anti-dripping agent is prepared by coating PTFE with SM/MMA composition, and has high fluidity, white granule diameter of 0.2 um, and PTFE content of 50 wt%.
9. A high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and a preparation method thereof are characterized in that: the method comprises the following steps:
a high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and a preparation method thereof comprise the following steps:
(1) Fully drying the required raw materials;
(2) Placing PC and ABS raw materials, a required flame retardant and other auxiliary agents into a stirring pot to be stirred for 5 minutes, and fully and uniformly mixing the PC and the ABS raw materials;
(3) Adding the fully and uniformly mixed mixture into a double-screw extruder, extruding, wherein the rotating speed is 350-450 r/min, the temperature is 220-250 ℃, cooling by a water tank, granulating and packaging to obtain the required high-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310773171.7A CN116891625A (en) | 2023-06-28 | 2023-06-28 | High-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310773171.7A CN116891625A (en) | 2023-06-28 | 2023-06-28 | High-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN116891625A true CN116891625A (en) | 2023-10-17 |
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| CN202310773171.7A Pending CN116891625A (en) | 2023-06-28 | 2023-06-28 | High-temperature-resistant high-humidity halogen-free flame-retardant PC/ABS alloy material and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN116891625A (en) |
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