CN104725821A - Phosphorus-nitrogen halogen-free flame-retardant polycarbonate and preparation method thereof - Google Patents
Phosphorus-nitrogen halogen-free flame-retardant polycarbonate and preparation method thereof Download PDFInfo
- Publication number
- CN104725821A CN104725821A CN201310721181.2A CN201310721181A CN104725821A CN 104725821 A CN104725821 A CN 104725821A CN 201310721181 A CN201310721181 A CN 201310721181A CN 104725821 A CN104725821 A CN 104725821A
- Authority
- CN
- China
- Prior art keywords
- phosphorous
- nitrogen system
- retardant
- free fire
- system bittern
- 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
- 239000004417 polycarbonate Substances 0.000 title claims abstract description 36
- 229920000515 polycarbonate Polymers 0.000 title claims abstract description 36
- 239000003063 flame retardant Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 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 abstract description 9
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 title abstract 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 239000000314 lubricant Substances 0.000 claims abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 229920000877 Melamine resin Polymers 0.000 claims description 10
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical group NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 10
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 6
- 229920000388 Polyphosphate Polymers 0.000 claims description 5
- 239000001205 polyphosphate Substances 0.000 claims description 5
- 235000011176 polyphosphates Nutrition 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000012745 toughening agent Substances 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 claims description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- ZTFPVUVWTIJYHK-UHFFFAOYSA-N ethyl prop-2-enoate;methyl 2-methylprop-2-enoate;oxiran-2-ylmethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C=C.COC(=O)C(C)=C.CC(=C)C(=O)OCC1CO1 ZTFPVUVWTIJYHK-UHFFFAOYSA-N 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 125000005908 glyceryl ester group Chemical group 0.000 claims description 2
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 2
- -1 organo montmorillonite Chemical compound 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229960001866 silicon dioxide Drugs 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 7
- 239000004566 building material Substances 0.000 abstract 1
- 239000003623 enhancer Substances 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000004804 winding 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- 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 phosphorus-nitrogen halogen-free flame-retardant polycarbonate and a preparation method thereof. The phosphorus-nitrogen halogen-free flame-retardant polycarbonate is composed of the following components in percentage by mass: 6%-85% of polycarbonate, 5-10% of phosphorus-nitrogen halogen-free flame retardant, 5-20% of enhancer, 2-5% of compatilizer, 0.1-1% of anti-dripping agent and 0.1-1.5% of lubricant. Compared with the prior art, the phosphorus-nitrogen halogen-free flame-retardant polycarbonate has the advantages of high strength, favorable heat resistance, favorable dimensional stability, favorable processability, favorable flame retardancy, favorable heat stability, favorable hydrolysis stability, favorable electric properties, low cost and the like. The oxygen index is 30 above, the vertical burning can reach Grade V-0. The phosphorus-nitrogen halogen-free flame-retardant polycarbonate can be widely used in the fields of electronic and electric appliances, automobile industry, building materials and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of phosphorous-nitrogen system bittern-free fire-retardant polycarbonate and preparation method thereof.
Background technology
Polycarbonate (PC) is a kind of nontoxic, tasteless, water white material, transmittance is high, specific refractory power is high, good mechanical performance, and thermotolerance, flame resistivity and insulativity are better, and its product size is stablized, be widely used in the fields such as machinery, electric, medical device and illumination optical.PC itself has certain flame retardant resistance (oxygen index is 21% ~ 24%), but televisor, computer, transformer winding, trolley part, material of construction and other have high flame resistance require application, the flame retardant resistance of polycarbonate still is apparent not enough, need it flame-retardant modified, to adapt to its market requirement.
Summary of the invention
The object of the present invention is to provide a kind of phosphorous-nitrogen system bittern-free fire-retardant polycarbonate and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: phosphorous-nitrogen system bittern-free fire-retardant polycarbonate, and its component by mass percent proportioning is: polycarbonate 60% ~ 85%, phosphorous-nitrogen system bittern-free fire retardant 5% ~ 10%, toughener 5% ~ 20%, compatilizer 2% ~ 5%, anti-dripping agent 0.1% ~ 1%, lubricant 0.1% ~ 1.5%.
Described phosphorous-nitrogen system bittern-free fire retardant is melamine urate (MCA) or melamine polyphosphate (MPP).
Described toughener is the one in glass fibre, organo montmorillonite, talcum powder, nano-calcium carbonate, gas phase nano silicon-dioxide, its surface is through coupling agent treatment mistake, and described coupling agent is the one in silane coupling agent, titanate coupling agent, aluminium titanium composite coupler.
Described compatilizer is the one in styrene-grafted copolymer-maleic anhydride (SMA), styrene-acrylonitrile-methacrylic sour water glyceryl ester (SAG), methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers (MGE), acrylonitritrile-styrene resin graft glycidyl methacrylate (AS-g-GMA).
Described anti-dripping agent is the coated ptfe micropowder of polystyrene.
Described lubricant is the one in EVA wax, OP wax, PETS, TAS-2A.
The preparation method of above-mentioned phosphorous-nitrogen system bittern-free fire-retardant polycarbonate, comprises the following steps:
(1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, phosphorous-nitrogen system bittern-free fire retardant at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;
(2) take dry polycarbonate and phosphorous-nitrogen system bittern-free fire retardant and other each component, by weight ratio, add respectively in high-speed mixer and stir 5 ~ 30 minutes, make to mix rear discharging;
(3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 260 DEG C, cooling granulation, get product.
The invention has the beneficial effects as follows, compared with prior art, the phosphorous-nitrogen system bittern-free fire-retardant polycarbonate that the present invention obtains, not only have that intensity is high, thermotolerance and good stability of the dimension, and have good processibility and flame retardant resistance, its oxygen index is more than 30, vertical combustion can reach V-0 rank, but also there is the features such as Heat stability is good, hydrolysis-stable and electrical property be excellent, cost is also low, can be widely used in the fields such as electronic apparatus, automotive industry, material of construction.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of phosphorous-nitrogen system bittern-free fire-retardant polycarbonate, its component by mass percent proportioning is: polycarbonate 75%, melamine urate (MCA) 8%, surface are through coated ptfe micropowder 0.4%, the PETS 0.6% of the glass fibre 12% of silane coupling agent process, styrene-grafted copolymer-maleic anhydride (SMA) 4%, polystyrene.
Preparation method: (1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, melamine urate (MCA) at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by; (2) take dry polycarbonate and melamine urate (MCA) and other each component, by weight ratio, add respectively in high-speed mixer and stir 5 ~ 30 minutes, make to mix rear discharging; (3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 260 DEG C, cooling granulation, get product.
Embodiment 2:
A kind of phosphorous-nitrogen system bittern-free fire-retardant polycarbonate, its component by mass percent proportioning is: polycarbonate 84%, melamine polyphosphate (MPP) 5%, surface are through coated ptfe micropowder 0.5%, the TAS-2A 0.5% of the nano-calcium carbonate 8% of aluminium titanium composite coupler process, acrylonitritrile-styrene resin graft glycidyl methacrylate (AS-g-GMA) 2%, polystyrene.
Preparation method: (1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, melamine polyphosphate (MPP) at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by; (2) take dry polycarbonate and melamine polyphosphate (MPP) and other each component, by weight ratio, add respectively in high-speed mixer and stir 5 ~ 30 minutes, make to mix rear discharging; (3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 260 DEG C, cooling granulation, get product.
Claims (7)
1. a phosphorous-nitrogen system bittern-free fire-retardant polycarbonate, it is characterized in that, its component by mass percent proportioning is: polycarbonate 60% ~ 85%, phosphorous-nitrogen system bittern-free fire retardant 5% ~ 10%, toughener 5% ~ 20%, compatilizer 2% ~ 5%, anti-dripping agent 0.1% ~ 1%, lubricant 0.1% ~ 1.5%.
2. phosphorous-nitrogen system bittern-free fire-retardant polycarbonate according to claim 1, is characterized in that, described phosphorous-nitrogen system bittern-free fire retardant is melamine urate (MCA) or melamine polyphosphate (MPP).
3. phosphorous-nitrogen system bittern-free fire-retardant polycarbonate according to claim 1, it is characterized in that, described toughener is the one in glass fibre, organo montmorillonite, talcum powder, nano-calcium carbonate, gas phase nano silicon-dioxide, its surface is through coupling agent treatment mistake, and described coupling agent is the one in silane coupling agent, titanate coupling agent, aluminium titanium composite coupler.
4. phosphorous-nitrogen system bittern-free fire-retardant polycarbonate according to claim 1, it is characterized in that, described compatilizer is the one in styrene-grafted copolymer-maleic anhydride (SMA), styrene-acrylonitrile-methacrylic sour water glyceryl ester (SAG), methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers (MGE), acrylonitritrile-styrene resin graft glycidyl methacrylate (AS-g-GMA).
5. phosphorous-nitrogen system bittern-free fire-retardant polycarbonate according to claim 1, is characterized in that, described anti-dripping agent is the coated ptfe micropowder of polystyrene.
6. phosphorous-nitrogen system bittern-free fire-retardant polycarbonate according to claim 1, is characterized in that, described lubricant is the one in EVA wax, OP wax, PETS, TAS-2A.
7. the preparation method of phosphorous-nitrogen system bittern-free fire-retardant polycarbonate according to claim 1, is characterized in that, comprise the following steps:
(1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, phosphorous-nitrogen system bittern-free fire retardant at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;
(2) take dry polycarbonate and phosphorous-nitrogen system bittern-free fire retardant and other each component, by weight ratio, add respectively in high-speed mixer and stir 5 ~ 30 minutes, make to mix rear discharging;
(3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 260 DEG C, cooling granulation, get product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310721181.2A CN104725821A (en) | 2013-12-24 | 2013-12-24 | Phosphorus-nitrogen halogen-free flame-retardant polycarbonate and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310721181.2A CN104725821A (en) | 2013-12-24 | 2013-12-24 | Phosphorus-nitrogen halogen-free flame-retardant polycarbonate and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104725821A true CN104725821A (en) | 2015-06-24 |
Family
ID=53450275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310721181.2A Pending CN104725821A (en) | 2013-12-24 | 2013-12-24 | Phosphorus-nitrogen halogen-free flame-retardant polycarbonate and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104725821A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104962063A (en) * | 2015-07-30 | 2015-10-07 | 苏州荣昌复合材料有限公司 | Halogen-free flame-retardant PC (polycarbonate) modified plastic and preparation method thereof |
CN106433071A (en) * | 2016-09-30 | 2017-02-22 | 福建华塑新材料有限公司 | Halogen-free flame-retardant polycarbonate composition and preparation method thereof |
CN107011646A (en) * | 2017-04-25 | 2017-08-04 | 柳州市够旺贸易有限公司 | Polycarbonate engineering plastic |
CN109251506A (en) * | 2018-08-23 | 2019-01-22 | 温州磐石机械设备维修咨询有限公司 | A kind of composite plastic and preparation method thereof with flame retardant effect |
CN110655774A (en) * | 2019-07-23 | 2020-01-07 | 佛山市鑫桥科技有限公司 | High-reflection PC reflection master batch and preparation method thereof |
-
2013
- 2013-12-24 CN CN201310721181.2A patent/CN104725821A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104962063A (en) * | 2015-07-30 | 2015-10-07 | 苏州荣昌复合材料有限公司 | Halogen-free flame-retardant PC (polycarbonate) modified plastic and preparation method thereof |
CN106433071A (en) * | 2016-09-30 | 2017-02-22 | 福建华塑新材料有限公司 | Halogen-free flame-retardant polycarbonate composition and preparation method thereof |
CN107011646A (en) * | 2017-04-25 | 2017-08-04 | 柳州市够旺贸易有限公司 | Polycarbonate engineering plastic |
CN109251506A (en) * | 2018-08-23 | 2019-01-22 | 温州磐石机械设备维修咨询有限公司 | A kind of composite plastic and preparation method thereof with flame retardant effect |
CN110655774A (en) * | 2019-07-23 | 2020-01-07 | 佛山市鑫桥科技有限公司 | High-reflection PC reflection master batch and preparation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102250450A (en) | Flame-retardant polyester material with high glow wire ignition temperature and preparation method thereof | |
CN104725821A (en) | Phosphorus-nitrogen halogen-free flame-retardant polycarbonate and preparation method thereof | |
CN105504707A (en) | Heat-conducting toughness-improving flame-retardant enhanced PBT (polybutylece terephthalate) plastic and preparation method thereof | |
WO2013131474A1 (en) | Pc film material and preparation method therefor | |
CN103849024A (en) | Antistatic and flame-retardant modified polyethylene powder and preparation method thereof | |
CN104419163A (en) | High-impact-resistance modified PC composite material | |
CN104672831A (en) | High-toughness strengthened flame-retardant anti-aging PC composition | |
CN104479353A (en) | Novel halogen-free flame-retardant composition, halogen-free flame-retardant PBT engineering plastic composite material and preparation method thereof | |
CN104693701A (en) | Low-warpage halogen-free flame-retardant glass fiber reinforced PBT/AS alloy and preparation method thereof | |
CN104672852A (en) | Halogen-free flame retardant glass fiber reinforced PC composite material | |
CN104650558A (en) | High efficiency flame retardant reinforced grade PC/PBT alloy and preparation method thereof | |
CN104693760A (en) | Blended alloy of polycarbonate and polybutylene terephthalate | |
CN103756269A (en) | A kind of high temperature resistant halogen-free flame retardant PBT material and preparation method thereof | |
CN103881190A (en) | Halogen-free flame-retardant polyethylene material and preparation method thereof | |
CN103881203A (en) | Low-smoke halogen-free flame-retardant polyethylene composite material and preparation method thereof | |
CN103881185A (en) | Fire-retardant modified polyethylene material and preparation method thereof | |
CN104341726A (en) | Halogen-free flame-retardant reinforced and toughened PBT (polybutylene terephthalate)/PET (polyethylene terephthalate) alloy and preparation method | |
CN103525024A (en) | Glass fiber reinforced halogen-free flame-retardant PBT (polybutylene terephthalate) and preparation method thereof | |
CN104419141A (en) | Glass fiber reinforced halogen-free flame retardant and antistatic PBT/PET alloy | |
CN104672811A (en) | Environment-friendly flame-retardant antistatic reinforced PBT/PET (polybutylene terephthalate/polyethylene terephthalate) composite material | |
CN104419123A (en) | Toughness and strength strengthening flame-retardant and antistatic PBT/PET alloy | |
CN104725794A (en) | Glass-fiber-reinforced flame-retardant PBT-PET alloy | |
CN104693714A (en) | Flame-retardant modified PC/PET alloy and preparation method thereof | |
CN104693747A (en) | PC/PBT alloy with anti-electrostatic aging-resistant property | |
CN104629302A (en) | Toughened polycarbonate composition |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |