CN105219052A - Housing of TV set halogen-free flameproof height flowing PC/ABS material and preparation method thereof - Google Patents
Housing of TV set halogen-free flameproof height flowing PC/ABS material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of housing of TV set halogen-free flameproof height flowing PC/ABS material and preparation method thereof, does the weight percent of this PC/ABS material consist of: PC 60 ~ 80 %, ABS 6 ~ 18 %, halogen-free flame retardants 7 ~ 15 %, compatilizer 0.5 ~ 4.0 %, toughner 0.5 ~ 5.0 %, processing aid 0.3 ~ 2.5 %, oxidation inhibitor 0.1 ~ 0.6 %, anti-dripping agent 0.2 ~ 1.0 %, PC is molecular weight is 10000 ~ 40000, does is melting index 20 ~ 30 the polycarbonate of g/10min, does is ABS is mobility 20 ~ 40 g/10min, does is the weight percent content of divinyl 10 ~ 40 the Bing Xi Jing – Ding bis-Xi – styrol copolymer of %, the present invention by adding halogen-free flame retardants, compatilizer, toughner, processing aid, oxidation inhibitor and anti-dripping agent in selected PC and ABS substrate, the PC/ABS alloy material good fluidity obtained, the forming requirements of large thin-wall product can be met, the impelling strength of thin-wall product can be ensured simultaneously, be mainly used in the large thin-wall such as housing of TV set, printer casing electron-like electric equipment products, Sanyo of alternative Korea S PC/ABS the imported products such as NH-1000T, have larger cost advantage.
Description
Technical field
The invention belongs to thermoplastic macromolecule material technical field, be specifically related to a kind of housing of TV set halogen-free flameproof height flowing PC/ABS material and preparation method thereof.
Background technology
Polycarbonate (PC) is a kind of engineering plastics of excellent performance, has the advantages that shock strength is high, electrical insulating property is good.PC/ABS is the alloy material synthesized with Bing Xi Jing – Ding bis-Xi – styrol copolymer (ABS) by polycarbonate (PC), and it had both possessed the excellent shock-resistance of PC and weather resisteant, also possessed the good mobility of ABS.But the mobility of existing PC/ABS material is difficult to the forming requirements meeting the large thin-wall such as housing of TV set, printer casing electron-like electric equipment products assembly, and in addition, the physicalies such as the impelling strength of the thin-wall product of existing PC/ABS material produce are poor.
Application number be 200610122383.5 Chinese invention patent disclose a kind of high flow flame-proof PC/ABS alloy, it mainly comprises the feed composition of following mass fraction proportioning: 42 ~ 60 parts of PC, 15 ~ 30 parts of ABS, 3 ~ 8 parts of toughner, 6 ~ 15 parts of brominated flame retardants, 2 ~ 5 parts of antimony containing compounds, 0.2 ~ 0.5 part of tetrafluoroethylene, 0.1 ~ 0.3 part of oxidation inhibitor, 0.3 ~ 1 part of silicone lubricant.Application number be 200610036819.9 Chinese invention patent disclose a kind of modification PC/ABS alloy, it mainly comprises following component, is expressed as with parts by weight: 65 ~ 85 parts of PC/ABS, 10 ~ 20 parts of tougheners, 0.5 ~ 1 part of coupling agent, 5 ~ 10 parts of bromide fire retardants, 1 ~ 3 part of Sb system fire retardant, 1 ~ 6 part of toughner, 0.2 ~ 0.5 part of oxidation inhibitor.More than invention adopts bromine system flame-retardant system, cannot meet environmental requirement, and in addition, mobility aspect needs to be improved further.
Summary of the invention
Technical problem to be solved by this invention is, for the deficiencies in the prior art, a kind of housing of TV set halogen-free flameproof height flowing PC/ABS material and preparation method thereof is provided, this PC/ABS is a kind of alloy material, good fluidity, the forming requirements of large thin-wall product can be met, the impelling strength of thin-wall product can be ensured simultaneously, be mainly used in the large thin-wall such as housing of TV set, printer casing electron-like electric equipment products, the imported products such as Sanyo of alternative Korea S PC/ABSNH-1000T, have larger cost advantage.
The present invention solves the problems of the technologies described above adopted technical scheme: housing of TV set halogen-free flameproof height flowing PC/ABS material, and its weight percent consists of:
Described PC is molecular weight is 10000 ~ 40000, and melting index is the polycarbonate of 20 ~ 30g/10min; The Bing Xi Jing – Ding bis-Xi – styrol copolymer of described ABS to be mobility be 20 ~ 40g/10min, in this Bing Xi Jing – Ding bis-Xi – styrol copolymer, the weight percent content of divinyl is 10 ~ 40%.Above melting index 300 DEG C, record under 1.2kg condition, mobility 220 DEG C, record under 10kg condition.The PC-110 type product that the preferred Taiwan Qi Mei company of PC produces or Taiwan dissolve the PC-IR2200 type product that light company produces; The ABS-8391 type product that the preferred Shanghai Gaoqiao petro-chemical corporation of ABS produces or the ABS-757K type product that Taiwan Qi Mei company produces.
The weight percent of preferred PC/ABS material consists of further:
The molecular weight of described PC is 20000 ~ 30000; In described ABS, the weight percent content of divinyl is 15 ~ 25%.
Described halogen-free flame retardants is at least one in dihydroxyphenyl propane-bis-(diphenyl phosphoester), Resorcinol two (diphenyl phosphoester), Sulfonates fire retardant and silicone based flame retardant.Wherein, the BDP fire retardant that the preferred Zhejiang Wan Sheng company of dihydroxyphenyl propane-bis-(diphenyl phosphoester) provides or the BDP halogen-free flame retardants that Jiangsu Ya Ke company provides.
Described compatilizer is maleic anhydride grafted ABS, methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers, styrene-acrylonitrile-methacrylic sour water glyceryl ester, at least one in acrylonitritrile-styrene resin graft glycidyl methacrylate, wherein, the percentage of grafting of described maleic anhydride grafted ABS is 0.5 ~ 2%, the melting index of described methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers is 5 ~ 10g/10min, in described methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers, the weight percent content of ethyl propenoate is 20 ~ 30%, the weight percent content of glycidyl methacrylate functional group is 6 ~ 10%, the percentage of grafting of described acrylonitritrile-styrene resin graft glycidyl methacrylate is 0.8 ~ 1.5%.The ABSSWJ-2A type product that maleic anhydride grafted ABS preferred Korea S Samsung is produced, the AX8900 type product that the preferred French Arkema of methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers produces, the SAG-001 type product that the preferred Shanghai Zhi Sheng company of acrylonitritrile-styrene resin graft glycidyl methacrylate produces.
Described toughner is at least one in butadiene type multipolymer, MBS and Ethylene-butyl acrylate-copolymer-maleic anhydride.
Described MBS is the MBS of coreshell type structure, this multipolymer take rubber as core, with the styrene-acrylonitrile copolymer of grafting for shell, in this multipolymer, the weight percent content of rubber is 50 ~ 70%.Take rubber as core, with the styrene-acrylonitrile copolymer of grafting for shell, the clad structure of formation can form good compatible toughened system with PC and ABS, guarantees the impelling strength of thin-wall product.The M701 type product that MBSEXL-2620, MBSEXL-2691 type product of the MBS preferred LG-DOW company production of coreshell type structure or Japanese Zhong Yuan chemical industrial company produce.
Described processing aid is at least one in soap, stearic amide, N, N-ethylene bis stearic acid amide, tetramethylolmethane stearate and modification ethylene bis-fatty acid amides.These processing aids play further increase lubrication, conveniently stripped, improve material dispersion or prevent the effect of glass emergence on the surface.
Described oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and tricresyl phosphite (2,4-6-di-tert-butyl phenyl ester) with the composite composite mixture of the weight ratio of 1:2.AT1010 or the AT168 type product that preferred Switzerland's vapour Bagong department produces.
Described anti-dripping agent is acrylate modified tetrafluoroethylene class anti-dripping agent, and in this acrylate modified tetrafluoroethylene class anti-dripping agent, the weight percent content of tetrafluoroethylene is 40 ~ 60%, and surface is with styrene-acrylonitrile copolymer graft modification.The weight percent content of tetrafluoroethylene is 40 ~ 60%, surface with the acrylate modified tetrafluoroethylene class anti-dripping agent of styrene-acrylonitrile copolymer graft modification, good compatible system can be formed with alloy material.The A3800 type product that preferred Mitsubishi is produced or Suzhou shake the TN3500 type product that fluorine is produced.
The preparation method of above-mentioned housing of TV set halogen-free flameproof height flowing PC/ABS material, comprises the following steps:
1) PC and ABS is distinguished dry 3 ~ 4 hours in blast drier at 110 ~ 130 DEG C of temperature, stand-by;
2) various raw material is got out according to weight percent composition;
3) PC, ABS, compatilizer, toughner, processing aid, oxidation inhibitor and anti-dripping agent are added in high-speed mixer respectively, fully stir 3 ~ 5 minutes, discharging, obtain compound;
4) by step 3) in the compound that obtains add in twin screw extruder, extrude through melting mixing at 240 ~ 260 DEG C of temperature, and halogen-free flame retardants is added in melting mixing process, extrude rear stripping cooling granulation, namely obtain the pellet of housing of TV set halogen-free flameproof height flowing PC/ABS material.
Compared with prior art, the invention has the advantages that: halogen-free flameproof height flowing PC/ABS material provided by the invention, by adding halogen-free flame retardants in selected PC and ABS substrate, compatilizer, toughner, processing aid, oxidation inhibitor and anti-dripping agent, the PC/ABS alloy material good fluidity obtained, the forming requirements of large thin-wall product can be met, the impelling strength of thin-wall product can be ensured simultaneously, be mainly used in housing of TV set, the large thin-wall electron-like electric equipment products such as printer casing, the imported products such as Sanyo of alternative Korea S PC/ABSNH-1000T, there is larger cost advantage.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
The weight percent of the housing of TV set halogen-free flameproof height flowing PC/ABS material of embodiment 1 consists of: PC:65.4%, ABS:13%, dihydroxyphenyl propane-bis-(diphenyl phosphoester): 14%, percentage of grafting is the maleic anhydride grafted ABS of 1%: 1%, butadiene type multipolymer: 5%, stearic amide: 0.6%, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2, 4-6-di-tert-butyl phenyl ester) with the composite composite mixture of the weight ratio of 1:2: 0.4%, the weight percent content of tetrafluoroethylene is 50%, surface is with the acrylate modified tetrafluoroethylene class anti-dripping agent of styrene-acrylonitrile copolymer graft modification: 0.6%, its preparation method comprises the following steps:
1) PC and ABS is distinguished dry 3.5 hours in blast drier at 120 DEG C of temperature, stand-by;
2) various raw material is got out according to weight percent composition;
3) by PC, ABS, maleic anhydride grafted ABS, butadiene type multipolymer, stearic amide, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2,4-6-di-tert-butyl phenyl ester) add respectively in high-speed mixer with the composite composite mixture of the weight ratio of 1:2 and acrylate modified tetrafluoroethylene class anti-dripping agent, abundant stirring 4 minutes, discharging, obtains compound;
4) by step 3) in the compound that obtains add in twin screw extruder, extrude through melting mixing at 250 DEG C of temperature, and in melting mixing process, add dihydroxyphenyl propane-bis-(diphenyl phosphoester), extrude rear stripping cooling granulation, namely obtain the pellet of the housing of TV set halogen-free flameproof height flowing PC/ABS material of embodiment 1.
The weight percent of the housing of TV set halogen-free flameproof height flowing PC/ABS material of embodiment 2 consists of: PC:65.5%, ABS:14%, Resorcinol two (diphenyl phosphoester): 13.5%, melting index is the methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers of 8g/10min: 1%, MBS 2%, Ethylene-butyl acrylate-copolymer-maleic anhydride 2.5%, tetramethylolmethane stearate: 0.6%, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2, 4-6-di-tert-butyl phenyl ester) with the composite composite mixture of the weight ratio of 1:2: 0.4%, surface is with the acrylate modified tetrafluoroethylene class anti-dripping agent of styrene-acrylonitrile copolymer graft modification: 0.5%, its preparation method comprises the following steps:
1) PC and ABS is distinguished dry 4 hours in blast drier at 110 DEG C of temperature, stand-by;
2) various raw material is got out according to weight percent composition;
3) by PC, ABS, methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers, MBS, Ethylene-butyl acrylate-copolymer-maleic anhydride, tetramethylolmethane stearate, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2, 4-6-di-tert-butyl phenyl ester) add respectively in high-speed mixer with anti-acrylate modified tetrafluoroethylene class anti-dripping agent with the composite mixture that the weight ratio of 1:2 is composite, abundant stirring 3 minutes, discharging, obtain compound,
4) by step 3) in the compound that obtains add in twin screw extruder, extrude through melting mixing at 245 DEG C of temperature, and in melting mixing process, add Resorcinol two (diphenyl phosphoester), extrude rear stripping cooling granulation, namely obtain the pellet of the housing of TV set halogen-free flameproof height flowing PC/ABS material of embodiment 2.
The weight percent of the housing of TV set halogen-free flameproof height flowing PC/ABS material of embodiment 3 consists of: PC:65.6%, ABS:15%, silicone based flame retardant: 13%, percentage of grafting is the acrylonitritrile-styrene resin graft glycidyl methacrylate of 1.1%: 1%, the weight percent content of rubber is the MBS of the coreshell type structure of 60%: 4%, N, N-ethylene bis stearic acid amide: 0.5%, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2, 4-6-di-tert-butyl phenyl ester) with the composite composite mixture of the weight ratio of 1:2: 0.4%, surface is with the acrylate modified tetrafluoroethylene class anti-dripping agent of styrene-acrylonitrile copolymer graft modification: 0.5%, its preparation method comprises the following steps:
1) PC and ABS is distinguished dry 4 hours in blast drier at 125 DEG C of temperature, stand-by;
2) various raw material is got out according to weight percent composition;
3) by PC, ABS, acrylonitritrile-styrene resin graft glycidyl methacrylate, the MBS of coreshell type structure, N, N-ethylene bis stearic acid amide, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2,4-6-di-tert-butyl phenyl ester) add respectively in high-speed mixer with the composite composite mixture of the weight ratio of 1:2 and acrylate modified tetrafluoroethylene class anti-dripping agent, abundant stirring 5 minutes, discharging, obtains compound;
4) by step 3) in the compound that obtains add in twin screw extruder, extrude through melting mixing at 255 DEG C of temperature, and silicone based flame retardant is added in melting mixing process, extrude rear stripping cooling granulation, namely obtain the pellet of the housing of TV set halogen-free flameproof height flowing PC/ABS material of embodiment 3.
In above specific embodiment, the BDP fire retardant that dihydroxyphenyl propane-bis-(diphenyl phosphoester) can select Zhejiang Wan Sheng company to provide or the BDP halogen-free flame retardants that Jiangsu Ya Ke company provides, wherein, the salient features of the BDP fire retardant that Zhejiang ten thousand is contained is described below: color and luster (APHA)≤80, acid number (mgKOH/g)≤0.1, moisture content (wt.%)≤0.1, N=1 content is 80-89, theoretical phosphorus content (wt.%) is 8.9, TPP content (wt.%)≤3.0, IPP content (wt.%)≤0.05, phenol content (ppm)≤500, density (25 DEG C, g/cm
3) be 1.26 ± 0.01, viscosity (25 DEG C, mPa.s) be 1800-2600, the salient features of the BDP halogen-free flame retardants in refined gram of Jiangsu is described below: colourless/light yellow clear liquid, color (APHA) < 100, phosphorus content (wt.%) is 9, and density (25 DEG C, g/cm
3) be 1.26 ± 0.01, viscosity (70 DEG C, mPa.s) is 160, acid number (mgKOH/g) < 0.1, moisture content (wt.%) < 0.05, the PC-110 type product that PC can select Taiwan Qi Mei company to produce or Taiwan dissolve the PC-IR2200 type product that light company produces, wherein the salient features of PC-110 type product is described below: melting index (300 DEG C/1.2kg) is 10ml/10min, proportion (23 DEG C, g/cm
3) be 1.2, Vickers softening temperature (1kg, 50 DEG C/hr) is 150 DEG C, and heat-drawn wire (1.8MPa loading) is 128 DEG C, and thermal expansivity is (6.0-8.0) × 10
-5, the salient features of PC-IR2200 type product is described below: tasteless, odorless, nontoxic, transparent thermoplastic polymer, molecular weight in 20000 ~ 70000 scopes, relative density 1.18 ~ 1.20, second-order transition temperature is 140 ~ 150 °, and decomposition temperature is more than 300 °, and embrittlement temperature is low reaches-100 °, the ABS-8391 type product that ABS can select Shanghai Gaoqiao petro-chemical corporation to produce or the ABS-757K type product that Taiwan Qi Mei company produces, wherein the salient features of ABS-8391 type product is described below: melt flow rate (MFR) 7.9g/10min, tensile strength 44MPa, elongation at break 42%, notched Izod impact strength 30MPa, Vicat softening point 95 DEG C, the salient features of ABS-757K type product is described below: melting index (300 DEG C/1.2kg) is 18ml/10min, proportion (23 DEG C, g/cm
3) be 1.05, Vickers softening temperature (1kg, 50 DEG C/hr) is 104 DEG C, and heat-drawn wire (1.8MPa loading) is 83 DEG C, and thermal expansivity is 8.6 × 10
-5, the ABSSWJ-2A type product that maleic anhydride grafted ABS can select Korea S's Samsung to produce, its salient features is described below: outward appearance is faint yellow particle, density (g/cm
3) be 1.01, percentage of grafting (%) is 1.1, and melting index (220 DEG C/10Kg) is 20, the AX8900 type product that methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers can select French Arkema to produce, its salient features is described below: density (g/cm
3) be 0.940, melt flow rate (MFR) (190 DEG C, 5kg, g/10min) is 6, and fracture tensile strength is 4MPa, and melt temperature is 65 DEG C, and vicat softening temperature is 40 DEG C, the SAG-001 type product that acrylonitritrile-styrene resin graft glycidyl methacrylate can select Shanghai Zhi Sheng company to produce, its salient features is described below: outward appearance is white powder, density (g/cm
3) be 1.02-1.06, median size (μm) is 120-400, and molecular weight (Mw) is 40000-90000, and second-order transition temperature is > 100 DEG C, and oxirane value (g/mol) is 200-400, MBSEXL-2620, MBSEXL-2691 type product that the MBS of coreshell type structure can select LG-DOW company to produce or the M701 type product that Japanese Zhong Yuan chemical industrial company produces, wherein the salient features of MBSEXL-2620 type product and MBSEXL-2691 type product is described below: outward appearance is free-pouring white powder, pile of grounds density is 0.42 ± 0.1g/cc, the salient features of volatile matter < 1.0%, M701 type product is described below: molecular formula: C
17h
22o
2, outward appearance is white high flowing powder, glue content: 60-70%, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2, 4-6-di-tert-butyl phenyl ester) AT1010 or the AT168 type product that Switzerland's vapour Bagong department can be selected to produce with the composite mixture that the weight ratio of 1:2 is composite, wherein the salient features of AT1010 type product is described below: outward appearance is for white is to micro-yellow crystalline powder, molecular weight is 1178, flash-point is 297 DEG C, pile of grounds density is 530-630g/l, fusing point is 110-125 DEG C, the salient features of AT168 type product is described below: outward appearance is white powder or particle, proportion is g/cm
3, 1.03 molecular formula are C
42h
63o
3p, molecular weight is 646.9, and flash-point is 218 DEG C, and fusing point is 183-186 DEG C, transmittance 425nm>=97%, 500nm>=98%, acid number (mgKOH/g)≤0.3.
By the PC/ABS alloy material of the embodiment 1 ~ embodiment 3 obtained and the PC/ABS alloy of Sanyo of Korea S---NH-1000T carries out the performance tests such as melting index, tensile strength, flexural strength, modulus in flexure, notched Izod impact strength, flame retardant resistance and mobility before illumination aging resisting under same test condition, test condition is in table 1, and test result is in table 2.
Table 1 performance test conditions
Table 2 the performance test results
As seen from Table 2, the melting index of PC/ABS material of the present invention, mechanical property and flame retardant resistance are suitable with NH-1000T, and notched Izod impact strength and mobility are better than NH-1000T.Therefore, the alternative NH-1000T of halogen-free flameproof height flowing PC/ABS material of the present invention, be applied to the large thin-wall such as housing of TV set, printer casing electron-like electric equipment products, meet the forming requirements of large thin-wall product, and ensure the impelling strength of thin-wall product, the manufacturing cost of thin-wall product can be reduced simultaneously.
Claims (10)
1. housing of TV set halogen-free flameproof height flowing PC/ABS material, it is characterized in that, its weight percent consists of:
Described PC is molecular weight is 10000 ~ 40000, and melting index is the polycarbonate of 20 ~ 30g/10min; The Bing Xi Jing – Ding bis-Xi – styrol copolymer of described ABS to be mobility be 20 ~ 40g/10min, in this Bing Xi Jing – Ding bis-Xi – styrol copolymer, the weight percent content of divinyl is 10 ~ 40%.
2. housing of TV set halogen-free flameproof height flowing PC/ABS material according to claim 1, it is characterized in that, its weight percent consists of:
The molecular weight of described PC is 20000 ~ 30000; In described ABS, the weight percent content of divinyl is 15 ~ 25%.
3. housing of TV set halogen-free flameproof height flowing PC/ABS material according to claim 1, it is characterized in that, described halogen-free flame retardants is at least one in dihydroxyphenyl propane-bis-(diphenyl phosphoester), Resorcinol two (diphenyl phosphoester), Sulfonates fire retardant and silicone based flame retardant.
4. housing of TV set halogen-free flameproof height flowing PC/ABS material according to claim 1, it is characterized in that, described compatilizer is maleic anhydride grafted ABS, methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers, styrene-acrylonitrile-methacrylic sour water glyceryl ester, at least one in acrylonitritrile-styrene resin graft glycidyl methacrylate, wherein, the percentage of grafting of described maleic anhydride grafted ABS is 0.5 ~ 2%, the melting index of described methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers is 5 ~ 10g/10min, in described methyl methacrylate-glycidyl methacrylate-ethyl propenoate ter-polymers, the weight percent content of ethyl propenoate is 20 ~ 30%, the weight percent content of glycidyl methacrylate functional group is 6 ~ 10%, the percentage of grafting of described acrylonitritrile-styrene resin graft glycidyl methacrylate is 0.8 ~ 1.5%.
5. housing of TV set halogen-free flameproof height flowing PC/ABS material according to claim 1, it is characterized in that, described toughner is at least one in butadiene type multipolymer, MBS and Ethylene-butyl acrylate-copolymer-maleic anhydride.
6. housing of TV set halogen-free flameproof height flowing PC/ABS material according to claim 5, it is characterized in that, described MBS is the MBS of coreshell type structure, this multipolymer take rubber as core, with the styrene-acrylonitrile copolymer of grafting for shell, in this multipolymer, the weight percent content of rubber is 50 ~ 70%.
7. housing of TV set halogen-free flameproof height flowing PC/ABS material according to claim 1, it is characterized in that, described processing aid is at least one in soap, stearic amide, N, N-ethylene bis stearic acid amide, tetramethylolmethane stearate and modification ethylene bis-fatty acid amides.
8. housing of TV set halogen-free flameproof height flowing PC/ABS material according to claim 1, it is characterized in that, described oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2,4-6-di-tert-butyl phenyl ester) be with the composite composite mixture of the weight ratio of 1:2.
9. housing of TV set halogen-free flameproof height flowing PC/ABS material according to claim 1, it is characterized in that, described anti-dripping agent is acrylate modified tetrafluoroethylene class anti-dripping agent, in this acrylate modified tetrafluoroethylene class anti-dripping agent, the weight percent content of tetrafluoroethylene is 40 ~ 60%, and surface is with styrene-acrylonitrile copolymer graft modification.
10. the preparation method of halogen-free flameproof height flowing PC/ABS material of the housing of TV set according to any one of claim 1 ~ 8, is characterized in that, comprise the following steps:
1) PC and ABS is distinguished dry 3 ~ 4 hours in blast drier at 110 ~ 130 DEG C of temperature, stand-by;
2) various raw material is got out according to weight percent composition;
3) PC, ABS, compatilizer, toughner, processing aid, oxidation inhibitor and anti-dripping agent are added in high-speed mixer respectively, fully stir 3 ~ 5 minutes, discharging, obtain compound;
4) by step 3) in the compound that obtains add in twin screw extruder, extrude through melting mixing at 240 ~ 260 DEG C of temperature, and halogen-free flame retardants is added in melting mixing process, extrude rear stripping cooling granulation, namely obtain the pellet of housing of TV set halogen-free flameproof height flowing PC/ABS material.
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| CN108997727A (en) * | 2018-07-24 | 2018-12-14 | 品诚塑胶科技（上海）有限公司 | A kind of halogen-free and flame-retardant polycarbonate resin composition and preparation method thereof with high heat resistance ball pressure temperature |
| CN109486155A (en) * | 2018-12-06 | 2019-03-19 | 上海长伟锦磁工程塑料有限公司 | Modified halogen-free flame retardant PC/ABS material of a kind of graphene and preparation method thereof |
| CN109486155B (en) * | 2018-12-06 | 2020-10-23 | 上海长伟锦磁工程塑料有限公司 | Graphene modified halogen-free flame-retardant PC/ABS material and preparation method thereof |
| CN109796741A (en) * | 2019-01-08 | 2019-05-24 | 东莞市卡帝德塑化科技有限公司 | A kind of engineering plastics for New-energy electric vehicle power battery module press strip |
| CN111303603A (en) * | 2020-04-02 | 2020-06-19 | 深圳市捷创新材料股份有限公司 | PC/ABS alloy material suitable for hollow support piece of display and preparation method |
| CN114573972A (en) * | 2022-03-31 | 2022-06-03 | 金发科技股份有限公司 | Polycarbonate composite material and preparation method and application thereof |
| CN114573972B (en) * | 2022-03-31 | 2023-11-14 | 金发科技股份有限公司 | Polycarbonate composite material and preparation method and application thereof |
| CN114605805A (en) * | 2022-04-15 | 2022-06-10 | 广东圆融新材料有限公司 | Flame-retardant polycarbonate composition and preparation method thereof |
| CN114605805B (en) * | 2022-04-15 | 2023-08-25 | 广东圆融新材料有限公司 | Flame retardant polycarbonate composition and method for preparing the same |
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