CN105482349A - High temperature resistant halogen-free flame retardant ABS composition - Google Patents

High temperature resistant halogen-free flame retardant ABS composition Download PDF

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Publication number
CN105482349A
CN105482349A CN201410531393.9A CN201410531393A CN105482349A CN 105482349 A CN105482349 A CN 105482349A CN 201410531393 A CN201410531393 A CN 201410531393A CN 105482349 A CN105482349 A CN 105482349A
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China
Prior art keywords
high temperature
temperature resistant
free flame
parts
fire retardant
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CN201410531393.9A
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Chinese (zh)
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齐海港
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Xi'an Aifeier Composite Materials Technology Co Ltd
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Xi'an Aifeier Composite Materials Technology Co Ltd
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Priority to CN201410531393.9A priority Critical patent/CN105482349A/en
Publication of CN105482349A publication Critical patent/CN105482349A/en
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Abstract

The invention relates to a high temperature resistant halogen-free flame retardant ABS composition. The ABS composition is prepared from the following components in parts by weight: 100 parts of ABS resins, 10-25 parts of a phosphorus-nitrogen composite fire retardant, 10-20 parts of a heat-resisting modifying agent, 2-4 parts of a lubricant, 0.5-2 parts of a flexibilizer, 5-10 parts of an antioxidant, 0.2-1 part of a dispersing agent, 0.2-1 part of a light stabilizer and 5-10 parts of a processing aid, wherein the phosphorus-nitrogen composite fire retardant is prepared through blending the following components in percentage by weight: (1) 15-85% of reaction products of phosphoric dibasic acid and azotic trihydric alcohol, (2) 10-15% of a flame resistant synergist, and (3) 0-75% of ammonium polyphosphate, and the degree of polymerization is greater than or equal to 800. The phosphorus-nitrogen composite fire retardant is adopted, so that the phosphorus-nitrogen composite fire retardant cannot be decomposed in the course of processing, and ABS is enabled to have excellent fire retardant properties; besides, the autologous dispersibility of the phosphorus-nitrogen composite fire retardant during melting and blending for flame retardance of polymers can be improved, the influence of the fire retardant on the heat resistance and the mechanical properties of the ABS is reduced, and the ABS composition has excellent comprehensive properties and can be widely applied to the field of housings, parts and components of electric appliances.

Description

A kind of high temperature resistant halogen-free flame-retardant ABS composition
Technical field
The present invention relates to halogen-free flameproof field, be specifically related to a kind of high temperature resistant halogen-free flame-retardant ABS composition.
Background technology
Styrene butadiene-vinyl cyanide (ABS) resin is with the rigidity of vinyl cyanide and thermotolerance, the features such as the shock resistance of the glossiness of polystyrene and processibility and polyhutadiene, can be widely used in the fields such as household electrical appliance, office equipment, instrument, communications and transportation, material of construction, household utensils and wrapping material.But the oxygen index of ABS resin only has 18, belongs to inflammable material.In order to improve its burning behavior, making it meet the difficult combustion of fire or certainly put out from fire, must carry out flame-retardant modified to ABS.For electric appliance casing or component such as motor, blower, power pack, microwave oven, electric cooker, socket, fascia, heat-resisting store batteries, except require material have fire-retardant while, also require that material has certain thermotolerance and good mechanical property.The thermotolerance of ABS itself is not high, and the existing fire retardant for flame-proof ABS can reduce thermotolerance and the mechanical property of ABS resin, scholars add the thermotolerance that heat-resistant agent improves ABS resin in succession, but because heat-resistant agent is different with fire retardant thermotolerance, temperature is lower than under 240 DEG C of conditions, heat-resistant agent dispersion is uneven, temperature is higher than 240 DEG C, fire retardant decomposes serious, make the plastic particles serious yellow coloration of preparation, do not reach the flame retardant effect of specifying, thus limiting it is not only needing the fire-retardant but also application needing in the field of certain thermotolerance and excellent mechanical performances simultaneously.
Summary of the invention
The invention provides a kind of high temperature resistant halogen-free flame-retardant ABS composition, solve and significantly reduce the thermotolerance of ABS resin and the technical problem of mechanical property adding back of the fire retardant existed in prior art.
Technical scheme of the present invention is, a kind of high temperature resistant halogen-free flame-retardant ABS composition comprises the component of following weight part: ABS resin 100 parts, phosphorus nitrogen composite fire retardant 10-25 part, heat-proof modifier 10-20 part, lubricant 2-4 part, toughner 0.5-2 part, oxidation inhibitor 5-10 part, dispersion agent 0.2-1 part, photostabilizer 0.2-1 part, processing aid 5-10 part; Wherein phosphorus nitrogen composite fire retardant by weight mark meter be made up of following component blend: (1) phosphorous diprotic acid and nitrogenous trivalent alcohol reaction product 15 ~ 85%, (2) fire retarding synergist 10 ~ 15%, (3) ammonium polyphosphate 0 ~ 75%, the polymerization degree >=800.
Feature of the present invention is also,
Fire retarding synergist is any one in nano imvite, carbon nanotube, polysilsesquioxane, molecular sieve, organosilicon polymer, silica gel, zinc oxide, sepiolite, kaolin or talcum.
The mixture of one or more that heat-proof modifier is selected from N-isopropylmaleimide, N-CYCLOHEXANE maleimide, poly-(N-n-octadecyl maleimide), N-phenylmaleimide and gathers in (N-n-butyl maleimide).
Lubricant is N, N ' the two hard esteramides of-hexamethylene.
Toughner is the mixture of one or more in styrenic toughner, chlorinatedpolyethylene class toughner and ABS high glue powder.
Oxidation inhibitor is made up of Hinered phenols primary antioxidant and phosphorous acid esters auxiliary anti-oxidant.
Dispersion agent is stearic acid dispersion agent.
Photostabilizer is benzophenone, benzotriazole category, triazines, poly-for the mixture of one or more in the fine class of propylene, Oxamides and hindered amines.
Processing aid is the mixture of one or more in stearylamide series lubricant agent, silicone oil and white mineral oil.
The invention has the beneficial effects as follows, employing fusing point is low, the phosphorus nitrogen composite fire retardant that decomposition temperature is high, not only can not decompose in the course of processing, give the flame retardant properties of ABS excellence, the dispersiveness of self can also be improved in for the melt blending of flame retardance of polymer, reduce the impact of fire retardant on ABS thermotolerance and mechanical property, make the ABS composition excellent combination property obtained.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
High temperature resistant halogen-free flame-retardant ABS composition of the present invention comprises the component of following weight part: ABS resin 100 parts, phosphorus nitrogen composite fire retardant 10-25 part, heat-proof modifier 10-20 part, lubricant 2-4 part, toughner 0.5-2 part, oxidation inhibitor 5-10 part, dispersion agent 0.2-1 part, photostabilizer 0.2-1 part, processing aid 5-10 part; Wherein phosphorus nitrogen composite fire retardant by weight mark meter be made up of following component blend: (1) phosphorous diprotic acid and nitrogenous trivalent alcohol reaction product 15 ~ 85%, (2) fire retarding synergist 10 ~ 15%, (3) ammonium polyphosphate 0 ~ 75%, the polymerization degree >=800.
Wherein fire retarding synergist is any one in nano imvite, carbon nanotube, polysilsesquioxane, molecular sieve, organosilicon polymer, silica gel, zinc oxide, sepiolite, kaolin or talcum; The mixture of one or more that heat-proof modifier is selected from N-isopropylmaleimide, N-CYCLOHEXANE maleimide, poly-(N-n-octadecyl maleimide), N-phenylmaleimide and gathers in (N-n-butyl maleimide); Lubricant is N, N ' the two hard esteramides of-hexamethylene, toughner is the mixture of one or more in styrenic toughner, chlorinatedpolyethylene class toughner and ABS high glue powder; Oxidation inhibitor is made up of Hinered phenols primary antioxidant and phosphorous acid esters auxiliary anti-oxidant; Dispersion agent is stearic acid dispersion agent; Photostabilizer is benzophenone, benzotriazole category, triazines, poly-for the mixture of one or more in the fine class of propylene, Oxamides and hindered amines; Processing aid is the mixture of one or more in stearylamide series lubricant agent, silicone oil and white mineral oil.
High temperature resistant halogen-free flame-retardant ABS preparation method of composition of the present invention is as follows:
Step 1:ABS resin 100 parts, phosphorus nitrogen composite fire retardant 10-25 part, heat-proof modifier 10-20 part, lubricant 2-4 part, toughner 0.5-2 part, oxidation inhibitor 5-10 part, dispersion agent 0.2-1 part, photostabilizer 0.2-1 part, processing aid 5-10 part joins in high-speed mixer and mixes;
Step 2: said mixture is joined in twin screw extruder, each section of extruder temperature of forcing machine controls between 190 ~ 240 DEG C, the length-to-diameter ratio of twin screw extruder is 25 ~ 40, screw speed is 400-800 rev/min, screw rod shearing, mixing and conveying under, material is able to abundant fusing, compound, then obtains flame-proof ABS particle through extruding pelletization, drying;
Step 3: joined in injection moulding machine by flame-proof ABS particle and be processed into required batten, cooling, pelletizing, is packaged into finished product; Injecting condition is: barrel temperature 200-230 DEG C, die temperature 60 ~ 70 DEG C, injection pressure 6-10MPa.
Phosphorus-nitrogen type composite flame-retardant agent of the present invention makes its decomposition temperature raise due to phosphorous diprotic acid and adding of nitrogenous trivalent alcohol reaction product, can not decompose, good flame retardation effect in the course of processing, also reduces the impact added polymer heat-resistant of fire retardant simultaneously.In addition, it also has low-melting advantage, and therefore, its suitable melt processing temperature window is wider, can improve the dispersiveness of self in for the melt blending of flame retardance of polymer, reduce fire retardant to the impact of mechanical properties of polymer.In addition, its thermotolerance well can be mated with the heat-resisting thermotolerance changing agent of the present invention, within the scope of processing temperature, both dispersion effects can be made good, reduce further the impact of additive on ABS mechanical property.
Embodiment 1
By ABS resin 100 kilograms, phosphorus nitrogen composite fire retardant 10 kilograms, heat-proof modifier 10 kilograms, lubricant 2 kilograms, toughner 0.5 kilogram, 10 kilograms, oxidation inhibitor, dispersion agent 0.5 kilogram, photostabilizer 1 kilogram, processing aid 5 kilograms mixes at high-speed mixing machine, then said mixture is joined in twin screw extruder and extrude, extrusion temperature 240 DEG C, the length-to-diameter ratio of twin screw extruder is 25, screw rod revolution 600r/min, in the shearing of screw rod, mixing and conveying under, material is able to abundant fusing, compound, again through extruding pelletization, drying obtains flame-proof ABS particle, joined in injection moulding machine by flame-proof ABS particle and be processed into required batten, cooling, pelletizing, be packaged into finished product, injecting condition is: barrel temperature 200 DEG C, die temperature 70 DEG C, injection pressure 8MPa.
Embodiment 2
By ABS resin 100 kilograms, phosphorus nitrogen composite fire retardant 20 kilograms, heat-proof modifier 20 kilograms, lubricant 3 kilograms, toughner 2 kilograms, 8 kilograms, oxidation inhibitor, dispersion agent 0.2 kilogram, photostabilizer 0.5 kilogram, processing aid 8 kilograms mixes at high-speed mixing machine, then said mixture is joined in twin screw extruder and extrude, extrusion temperature 230 DEG C, the length-to-diameter ratio of twin screw extruder is 30, screw rod revolution 400r/min, in the shearing of screw rod, mixing and conveying under, material is able to abundant fusing, compound, again through extruding pelletization, drying obtains flame-proof ABS particle, joined in injection moulding machine by flame-proof ABS particle and be processed into required batten, cooling, pelletizing, be packaged into finished product, injecting condition is: barrel temperature 210 DEG C, die temperature 60 DEG C, injection pressure 6MPa.
Embodiment 3
By ABS resin 100 kilograms, phosphorus nitrogen composite fire retardant 25 kilograms, heat-proof modifier 15 kilograms, lubricant 4 kilograms, toughner 1 kilogram, 5 kilograms, oxidation inhibitor, dispersion agent 1 kilogram, photostabilizer 0.2 kilogram, processing aid 10 kilograms mixes at high-speed mixing machine, then said mixture is joined in twin screw extruder and extrude, extrusion temperature 220 DEG C, the length-to-diameter ratio of twin screw extruder is 40, screw rod revolution 800r/min, in the shearing of screw rod, mixing and conveying under, material is able to abundant fusing, compound, again through extruding pelletization, drying obtains flame-proof ABS particle, joined in injection moulding machine by flame-proof ABS particle and be processed into required batten, cooling, pelletizing, be packaged into finished product, injecting condition is: barrel temperature 230 DEG C, die temperature 65 DEG C, injection pressure 10MPa.
ABS composition tensile strength>=40MPa when room temperature prepared by the various embodiments described above, elongation at break>=15%, notched Izod impact strength>=20kJ/m 2, heat-drawn wire>=102 DEG C under flexural strength>=60Mpa, 1.82MPa, limiting oxygen index(LOI)>=30%.

Claims (9)

1. a high temperature resistant halogen-free flame-retardant ABS composition, it is characterized in that, comprise the component of following weight part: ABS resin 100 parts, phosphorus nitrogen composite fire retardant 10-25 part, heat-proof modifier 10-20 part, lubricant 2-4 part, toughner 0.5-2 part, oxidation inhibitor 5-10 part, dispersion agent 0.2-1 part, photostabilizer 0.2-1 part, processing aid 5-10 part; Wherein phosphorus nitrogen composite fire retardant by weight mark meter be made up of following component blend: (1) phosphorous diprotic acid and nitrogenous trivalent alcohol reaction product 15 ~ 85%, (2) fire retarding synergist 10 ~ 15%, (3) ammonium polyphosphate 0 ~ 75%, the polymerization degree >=800.
2. a kind of high temperature resistant halogen-free flame-retardant ABS composition as claimed in claim 1, it is characterized in that, described fire retarding synergist is any one in nano imvite, carbon nanotube, polysilsesquioxane, molecular sieve, organosilicon polymer, silica gel, zinc oxide, sepiolite, kaolin or talcum.
3. a kind of high temperature resistant halogen-free flame-retardant ABS composition as claimed in claim 1, it is characterized in that, the mixture of one or more that described heat-proof modifier is selected from N-isopropylmaleimide, N-CYCLOHEXANE maleimide, poly-(N-n-octadecyl maleimide), N-phenylmaleimide and gathers in (N-n-butyl maleimide).
4. a kind of high temperature resistant halogen-free flame-retardant ABS composition as claimed in claim 1, it is characterized in that, described lubricant is N, N ' the two hard esteramides of-hexamethylene.
5. a kind of high temperature resistant halogen-free flame-retardant ABS composition as claimed in claim 1, is characterized in that, described toughner is the mixture of one or more in styrenic toughner, chlorinatedpolyethylene class toughner and ABS high glue powder.
6. a kind of high temperature resistant halogen-free flame-retardant ABS composition as claimed in claim 1, it is characterized in that, described oxidation inhibitor is made up of Hinered phenols primary antioxidant and phosphorous acid esters auxiliary anti-oxidant.
7. a kind of high temperature resistant halogen-free flame-retardant ABS composition as claimed in claim 1, it is characterized in that, described dispersion agent is stearic acid dispersion agent.
8. a kind of high temperature resistant halogen-free flame-retardant ABS composition as claimed in claim 1, it is characterized in that, described photostabilizer is benzophenone, benzotriazole category, triazines, poly-for the mixture of one or more in the fine class of propylene, Oxamides and hindered amines.
9. a kind of high temperature resistant halogen-free flame-retardant ABS composition as claimed in claim 1, is characterized in that, described processing aid is the mixture of one or more in stearylamide series lubricant agent, silicone oil and white mineral oil.
CN201410531393.9A 2014-10-10 2014-10-10 High temperature resistant halogen-free flame retardant ABS composition Pending CN105482349A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105885338A (en) * 2016-06-23 2016-08-24 北京海科华昌新材料技术有限公司 ABS flame-retardant masterbatch for industrial helmet and preparation method of ABS flame-retardant masterbatch
CN106189052A (en) * 2016-08-25 2016-12-07 桂林浩新科技服务有限公司 A kind of heat-proof combustion-resistant compositions and preparation method thereof
CN106543630A (en) * 2016-10-25 2017-03-29 安徽别格迪派标识系统有限公司 A kind of flame-proof heat-resistant type automobile plastic uptake material of containing mesopore molecular sieve Graphene and preparation method thereof
CN106543635A (en) * 2016-11-25 2017-03-29 佛山慧创正元新材料科技有限公司 A kind of ABS material and preparation method of heat-insulating flame-retardant
CN106543631A (en) * 2016-10-25 2017-03-29 安徽别格迪派标识系统有限公司 A kind of flame retardant automotive plastic uptake material of containing mesopore molecular sieve Graphene and preparation method thereof
CN114854166A (en) * 2022-05-20 2022-08-05 浙江昊杨新能源科技有限公司 ABS modification method for power battery shell

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105885338A (en) * 2016-06-23 2016-08-24 北京海科华昌新材料技术有限公司 ABS flame-retardant masterbatch for industrial helmet and preparation method of ABS flame-retardant masterbatch
CN105885338B (en) * 2016-06-23 2018-06-05 北京海科华昌新材料技术有限公司 A kind of industry security cap ABS fire-retardant master granules and preparation method thereof
CN106189052A (en) * 2016-08-25 2016-12-07 桂林浩新科技服务有限公司 A kind of heat-proof combustion-resistant compositions and preparation method thereof
CN106543630A (en) * 2016-10-25 2017-03-29 安徽别格迪派标识系统有限公司 A kind of flame-proof heat-resistant type automobile plastic uptake material of containing mesopore molecular sieve Graphene and preparation method thereof
CN106543631A (en) * 2016-10-25 2017-03-29 安徽别格迪派标识系统有限公司 A kind of flame retardant automotive plastic uptake material of containing mesopore molecular sieve Graphene and preparation method thereof
CN106543635A (en) * 2016-11-25 2017-03-29 佛山慧创正元新材料科技有限公司 A kind of ABS material and preparation method of heat-insulating flame-retardant
CN114854166A (en) * 2022-05-20 2022-08-05 浙江昊杨新能源科技有限公司 ABS modification method for power battery shell

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