CN103756242B - A kind of high temperature resistant halogen-free flame-retardant ABS and preparation method thereof - Google Patents
A kind of high temperature resistant halogen-free flame-retardant ABS and preparation method thereof Download PDFInfo
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- CN103756242B CN103756242B CN201310748788.XA CN201310748788A CN103756242B CN 103756242 B CN103756242 B CN 103756242B CN 201310748788 A CN201310748788 A CN 201310748788A CN 103756242 B CN103756242 B CN 103756242B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The present invention relates to ABS technical field of modification, particularly relate to a kind of high temperature resistant halogen-free flame-retardant ABS and preparation method thereof, a kind of high temperature resistant halogen-free flame-retardant ABS, it includes the raw material of following weight portion: ABS resin 70-90 part, PPO powder 10-30 part, phosphorus nitrogen system flame retarding agents 3-7 part, pentaerythritol stearate 0.2-1 part, dilauryl thiodipropionate 0.2-1 part。Present invention introduces PPO powder, it has the natural compatibility with the S in ABS on the one hand, can use as toughener, thus improving the mechanical property of ABS, two its have self-extinguishment, natural fire resistance, it is possible to reduce the consumption of phosphorus nitrogen system flame retarding agents, three is the thermostability of its excellence, hence it is evident that improve fire-retardant after the heat resistance of ABS。
Description
Technical field
The present invention relates to ABS technical field of modification, particularly relate to a kind of high temperature resistant halogen-free flame-retardant ABS and preparation method thereof。
Background technology
ABS plastic has good thermostability, impact and excellent processability, being widely used in auto parts and components, household electrical appliance and electronic devices and components, the material for household electrical appliance and business automation equipment shell has fire-retardant requirement, generally adds halogen compounds to provide anti-flammability。The cost-performance of halogenated flame retardant is good, adapts to wide, moderate, but to bad environmental。
The Ministry of Information Industry of China put into effect " electronics and IT products prevention and cure of pollution management method " in 2004。Additionally, in fields such as IT communication, electronic apparatus, the TCO99 being widely recognized as by the whole world at present (95), German blue sky make (blueangel) environmental mark, all strictly forbid in the material used containing halogen flame retardant immunomodulator compounds。Now the non-halogen research of material is had become as the main flow in the world。
ABS, owing to lacking aromatic group on molecular backbone, is difficult to accomplish V-0 level with halogen-free flame retardants。Having be carried out for many years to the non-halogen research of ABS in the world, mainly use phosphorus-nitrogen containing flame retardant, phosphorus-nitrogen containing flame retardant efficiency is high, but organophosphor addition is big, has had a strong impact on mechanical property and the thermostability of material。
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of high temperature resistant halogen-free flame-retardant ABS, this kind of high temperature resistant halogen-free flame-retardant ABS not only addition is little, and the mechanical property of material and heat-resist, the preparation method of this invention is simple, and cost is low。
The object of the present invention is achieved like this: a kind of high temperature resistant halogen-free flame-retardant ABS, and it includes the raw material of following weight portion:
ABS resin 70-90 part
PPO powder 10-30 part
Phosphorus nitrogen system flame retarding agents 3-7 part
Pentaerythritol stearate 0.2-1 part
Dilauryl thiodipropionate 0.2-1 part。
Preferably, it includes the raw material of following weight portion:
ABS resin 80-90 part
PPO powder 20-30 part
Phosphorus nitrogen system flame retarding agents 3-5 part
Pentaerythritol stearate 0.2-0.5 part
Dilauryl thiodipropionate 0.2-0.5 part。
Being more highly preferred to, it includes the raw material of following weight portion:
ABS resin 80 parts
20 parts of PPO powder
Phosphorus nitrogen system flame retarding agents 5 parts
Pentaerythritol stearate 0.5 part
Dilauryl thiodipropionate 0.5 part。
As preferred plan, it also includes the raw material of following weight portion:
Nano-calcium carbonate 1-4 part
Ground calcium carbonate 4-8 part。
Wherein, in described ABS, butadiene content is 28wt%-38wt%, styrene-content is 25wt%-35wt%。
Wherein, PPO powder adopts blue star chemical company model to be the product of LXR040C。
Wherein, described phosphorus-nitrogen containing flame retardant adopts Kaifeng Hua Shun company model to be the product of HS-PNA-8。
Wherein, the particle diameter of described ground calcium carbonate is 2600-3600 order；The particle diameter of described nano-calcium carbonate is 160-260 nanometer。
A kind of preparation method of high temperature resistant halogen-free flame-retardant ABS, it includes following preparation process:
Step A: ABS resin is dried in 80-90 DEG C when, standby；
Step B: ABS resin and PPO powder, phosphorus nitrogen system flame retarding agents, pentaerythritol stearate, dilauryl thiodipropionate are added in high-speed mixer, stirs, obtain mixed material；
Step C: mixed material is extruded through double screw extruder, then through cooling, pelletizing, is drying to obtain high temperature resistant halogen-free flame-retardant ABS。
The preparation method of another kind of high temperature resistant halogen-free flame-retardant ABS, it includes following preparation process:
Step A: by ABS resin in ABS resin in 80-90 DEG C when dry, standby；
Step B: ABS resin and nano-calcium carbonate, ground calcium carbonate are added in high-speed mixer, stirs, obtain the first mixed material；
Step C: add PPO powder, phosphorus nitrogen system flame retarding agents, pentaerythritol stearate, dilauryl thiodipropionate in the first mixed material, continue to stir, obtain the second mixed material；
Step D: the second mixed material is extruded through double screw extruder, then through cooling, pelletizing, is drying to obtain high temperature resistant halogen-free flame-retardant ABS。
Wherein, in described step D, the design parameter of double screw extruder is: temperature 198-202 DEG C of a district, two district's temperature 208 212 DEG C, three district's temperature 218 222 DEG C, four district's temperature 228 232 DEG C, five district's temperature 238 242 DEG C, six district's temperature 228 232 DEG C, seven district's temperature 228 232 DEG C, screw speed 200-300r/min。
Present invention introduces PPO powder, it has the natural compatibility with the S in ABS on the one hand, can use as toughener, thus improving the mechanical property of ABS, two its have self-extinguishment, natural fire resistance, it is possible to reduce the consumption of phosphorus nitrogen system flame retarding agents, three is the thermostability of its excellence, hence it is evident that improve fire-retardant after the heat resistance of ABS。
Phosphorus-nitrogen containing flame retardant of the present invention adopts Kaifeng Hua Shun company model to be the product of HS-PNA-8, and its stability is high, fully meets formation processing temperatures requirement, and flame retardant effect is excellent。
The present invention adopts pentaerythritol stearate as lubricant, and pentaerythritol stearate has significant high-temperature resistant result, when processing temperature reaches 400 DEG C。It make consumption lower than most of traditional lubricants, it is possible to decrease production cost。
The present invention adopts dilauryl thiodipropionate as antioxidant, dilauryl thiodipropionate energy hydroperoxide decomposition, produces stable structure, stops Oxidation, have do not pollute, not painted, high temperature process time Undec feature, be conducive to the raising of mechanical property。
Nano-calcium carbonate and ground calcium carbonate that the present invention adopts both can as reinforcing agents, again can as nucleator。The present invention utilizes little quality and the high surface energy of nano-calcium carbonate so that nano-calcium carbonate is attached to ground calcium carbonate surface, formed core the composite construction of shell。In mixing process, nano-calcium carbonate is attached to the surface of ground calcium carbonate and moves together along with ground calcium carbonate, effectively prevent the agglomeration of nano-calcium carbonate；Additionally, due to nano-calcium carbonate have high surface can, it is combined more closely with the macromolecular chain of ABS, and therefore ground calcium carbonate can be combined with ABS by being attached to the nano-calcium carbonate on its surface so that ABS surface is more smooth, and mechanical property is better；The nano-calcium carbonate being not adhered to ground calcium carbonate surface is filled into the various gaps of ABS, shows the various mechanical property advantages of nano material。The present invention adopts the mode that nano-calcium carbonate and ground calcium carbonate combine, and reduces cost, overcomes and is used alone ground calcium carbonate and nanon calcium carbonatefilled ABS shortcoming, keeps excellent mechanical performances。
The invention have the benefit that and present invention introduces PPO powder, it has the natural compatibility with the S in ABS on the one hand, can use as toughener, thus improving the mechanical property of ABS, two its have self-extinguishment, natural fire resistance, it is possible to reduce the consumption of phosphorus nitrogen system flame retarding agents, three is the thermostability of its excellence, hence it is evident that improve fire-retardant after the heat resistance of ABS。
Detailed description of the invention
The invention will be further described by the examples below, but the practical range of the present invention is not limited to this。
Embodiment 1。
A kind of high temperature resistant halogen-free flame-retardant ABS, it includes the raw material of following weight portion:
ABS resin 70 parts
10 parts of PPO powder
Phosphorus nitrogen system flame retarding agents 3 parts
Pentaerythritol stearate 0.2 part
Dilauryl thiodipropionate 0.2 part。
Wherein, in described ABS, butadiene content is 28wt%, styrene-content is 25wt%。
Wherein, PPO powder adopts blue star chemical company model to be the product of LXR040C。
Wherein, described phosphorus-nitrogen containing flame retardant adopts Kaifeng Hua Shun company model to be the product of HS-PNA-8。
A kind of preparation method of high temperature resistant halogen-free flame-retardant ABS, it includes following preparation process:
Step A: ABS resin is dried in 80 DEG C when, standby；
Step B: ABS resin and PPO powder, phosphorus nitrogen system flame retarding agents, pentaerythritol stearate, thiodipropionic acid dilauryl osmanthus are added in high-speed mixer, stirs, obtain mixed material；
Step C: mixed material is extruded through double screw extruder, then through cooling, pelletizing, is drying to obtain high temperature resistant halogen-free flame-retardant ABS。
Wherein, in described step C, the design parameter of double screw extruder is: district's temperature 198 DEG C, two district's temperature 208 DEG C, three district's temperature 218 DEG C, four district's temperature 228 DEG C, five district's temperature 238 DEG C, six district's temperature 228 DEG C, seven district's temperature 228 DEG C, screw speed 200r/min。
Embodiment 2。
A kind of high temperature resistant halogen-free flame-retardant ABS, it includes the raw material of following weight portion:
ABS resin 80 parts
20 parts of PPO powder
Phosphorus nitrogen system flame retarding agents 5 parts
Pentaerythritol stearate 0.5 part
Dilauryl thiodipropionate 0.5 part。
Wherein, in described ABS, butadiene content is 35wt%, styrene-content is 31wt%。
Wherein, PPO powder adopts blue star chemical company model to be the product of LXR040C。
Wherein, described phosphorus-nitrogen containing flame retardant adopts Kaifeng Hua Shun company model to be the product of HS-PNA-8。
A kind of preparation method of high temperature resistant halogen-free flame-retardant ABS, it includes following preparation process:
Step A: ABS resin is dried in 88 DEG C when, standby；
Step B: ABS resin and PPO powder, phosphorus nitrogen system flame retarding agents, pentaerythritol stearate, thiodipropionic acid dilauryl osmanthus are added in high-speed mixer, stirs, obtain mixed material；
Step C: mixed material is extruded through double screw extruder, then through cooling, pelletizing, is drying to obtain high temperature resistant halogen-free flame-retardant ABS。
Wherein, in described step C, the design parameter of double screw extruder is: district's temperature 200 DEG C, two district's temperature 210 DEG C, three district's temperature 220 DEG C, four district's temperature 230 DEG C, five district's temperature 240 DEG C, six district's temperature 230 DEG C, seven district's temperature 230 DEG C, screw speed 250r/min。
Embodiment 3。
A kind of high temperature resistant halogen-free flame-retardant ABS, it includes the raw material of following weight portion:
ABS resin 79 parts
19 parts of PPO powder
Phosphorus nitrogen system flame retarding agents 6 parts
Pentaerythritol stearate 0.6 part
Dilauryl thiodipropionate 0.4 part。
Wherein, in described ABS, butadiene content is 33wt%, styrene-content is 29wt%。
Wherein, PPO powder adopts blue star chemical company model to be the product of LXR040C。
Wherein, described phosphorus-nitrogen containing flame retardant adopts Kaifeng Hua Shun company model to be the product of HS-PNA-8。
A kind of preparation method of high temperature resistant halogen-free flame-retardant ABS, it includes following preparation process:
Step A: ABS resin is dried in 90 DEG C when, standby；
Step B: ABS resin and PPO powder, phosphorus nitrogen system flame retarding agents, pentaerythritol stearate, thiodipropionic acid dilauryl osmanthus are added in high-speed mixer, stirs, obtain mixed material；
Step C: mixed material is extruded through double screw extruder, then through cooling, pelletizing, is drying to obtain high temperature resistant halogen-free flame-retardant ABS。
Wherein, in described step C, the design parameter of double screw extruder is: district's temperature 202 DEG C, two district's temperature 208 DEG C, three district's temperature 220 DEG C, four district's temperature 232 DEG C, five district's temperature 238 DEG C, six district's temperature 232 DEG C, seven district's temperature 232 DEG C, screw speed 260r/min。
Embodiment 4。
A kind of high temperature resistant halogen-free flame-retardant ABS, it includes the raw material of following weight portion:
ABS resin 90 parts
30 parts of PPO powder
Phosphorus nitrogen system flame retarding agents 7 parts
Pentaerythritol stearate 1 part
Dilauryl thiodipropionate 1 part
Nano-calcium carbonate 4 parts
Ground calcium carbonate 8 parts。
Wherein, in described ABS, butadiene content is 38wt%, styrene-content is 35wt%。
Wherein, PPO powder adopts blue star chemical company model to be the product of LXR040C。
Wherein, described phosphorus-nitrogen containing flame retardant adopts Kaifeng Hua Shun company model to be the product of HS-PNA-8。
Wherein, the particle diameter of described ground calcium carbonate is 3600 orders；The particle diameter of described nano-calcium carbonate is 260 nanometers。
A kind of preparation method of high temperature resistant halogen-free flame-retardant ABS, it includes following preparation process:
Step A: ABS resin is dried in 90 DEG C when, standby；
Step B: ABS resin and nano-calcium carbonate, ground calcium carbonate are added in high-speed mixer, stirs, obtain the first mixed material；
Step C: add PPO powder, phosphorus nitrogen system flame retarding agents, pentaerythritol stearate, dilauryl thiodipropionate in the first mixed material, continue to stir, obtain the second mixed material；
Step D: the second mixed material is extruded through double screw extruder, then through cooling, pelletizing, is drying to obtain high temperature resistant halogen-free flame-retardant ABS。
Wherein, in described step D, the design parameter of double screw extruder is: district's temperature 202 DEG C, two district's temperature 212 DEG C, three district's temperature 222 DEG C, four district's temperature 232 DEG C, five district's temperature 242 DEG C, six district's temperature 232 DEG C, seven district's temperature 232 DEG C, screw speed 300r/min。
Embodiment 5。
A kind of high temperature resistant halogen-free flame-retardant ABS, it includes the raw material of following weight portion:
ABS resin 70 parts
10 parts of PPO powder
Phosphorus nitrogen system flame retarding agents 3 parts
Pentaerythritol stearate 0.2 part
Dilauryl thiodipropionate 0.2 part。
Nano-calcium carbonate 1 part
Ground calcium carbonate 4 parts。
Wherein, in described ABS, butadiene content is 28wt%, styrene-content is 25wt%。
Wherein, PPO powder adopts blue star chemical company model to be the product of LXR040C。
Wherein, described phosphorus-nitrogen containing flame retardant adopts Kaifeng Hua Shun company model to be the product of HS-PNA-8。
Wherein, the particle diameter of described ground calcium carbonate is 2600 orders；The particle diameter of described nano-calcium carbonate is 160 nanometers。
A kind of preparation method of high temperature resistant halogen-free flame-retardant ABS, it includes following preparation process:
Step A: ABS resin is dried in 80 DEG C when, standby；
Step B: ABS resin and nano-calcium carbonate, ground calcium carbonate are added in high-speed mixer, stirs, obtain the first mixed material；
Step C: add PPO powder, phosphorus nitrogen system flame retarding agents, pentaerythritol stearate, dilauryl thiodipropionate in the first mixed material, continue to stir, obtain the second mixed material；
Step D: the second mixed material is extruded through double screw extruder, then through cooling, pelletizing, is drying to obtain high temperature resistant halogen-free flame-retardant ABS。
Wherein, in described step D, the design parameter of double screw extruder is: district's temperature 201 DEG C, two district's temperature 211 DEG C, three district's temperature 222 DEG C, four district's temperature 232 DEG C, five district's temperature 241 DEG C, six district's temperature 232 DEG C, seven district's temperature 231 DEG C, screw speed 300r/min。
Embodiment 6。
A kind of high temperature resistant halogen-free flame-retardant ABS, it includes the raw material of following weight portion:
ABS resin 88 parts
28 parts of PPO powder
Phosphorus nitrogen system flame retarding agents 5 parts
Pentaerythritol stearate 1 part
Dilauryl thiodipropionate 0.4 part。
Nano-calcium carbonate 3 parts
Ground calcium carbonate 5 parts。
Wherein, in described ABS, butadiene content is 33wt%, styrene-content is 28wt%。
Wherein, PPO powder adopts blue star chemical company model to be the product of LXR040C。
Wherein, described phosphorus-nitrogen containing flame retardant adopts Kaifeng Hua Shun company model to be the product of HS-PNA-8。
Wherein, the particle diameter of described ground calcium carbonate is 3100 orders；The particle diameter of described nano-calcium carbonate is 220 nanometers。
A kind of preparation method of high temperature resistant halogen-free flame-retardant ABS, it includes following preparation process:
Step A: ABS resin is dried in 85 DEG C when, standby；
Step B: ABS resin and nano-calcium carbonate, ground calcium carbonate are added in high-speed mixer, stirs, obtain the first mixed material；
Step C: add PPO powder, phosphorus nitrogen system flame retarding agents, pentaerythritol stearate, dilauryl thiodipropionate in the first mixed material, continue to stir, obtain the second mixed material；
Step D: the second mixed material is extruded through double screw extruder, then through cooling, pelletizing, is drying to obtain high temperature resistant halogen-free flame-retardant ABS。
Wherein, in described step D, the design parameter of double screw extruder is: district's temperature 202 DEG C, two district's temperature 212 DEG C, three district's temperature 222 DEG C, four district's temperature 232 DEG C, five district's temperature 242 DEG C, six district's temperature 232 DEG C, seven district's temperature 232 DEG C, screw speed 300r/min。
Embodiment 1-6 properties of product are in Table 1。
Table 1
。
The fire resistance of high temperature resistant halogen-free flame-retardant ABS prepared by the present invention, mechanical property and heat-resist is can be seen that by table 1。
Finally should be noted that; above example is only in order to illustrate technical scheme; but not limiting the scope of the invention; although having made to explain to the present invention with reference to preferred embodiment; it will be understood by those within the art that; technical scheme can be modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention。
Claims (6)
1. a high temperature resistant halogen-free flame-retardant ABS, it is characterised in that: it includes the raw material of following weight portion:
ABS resin 70-90 part
PPO powder 10-30 part
Phosphorus nitrogen system flame retarding agents 3-7 part
Pentaerythritol stearate 0.2-1 part
Dilauryl thiodipropionate 0.2-1 part,
It also includes the raw material of following weight portion:
Nano-calcium carbonate 1-4 part
Ground calcium carbonate 4-8 part,
The particle diameter of described ground calcium carbonate is 2600-3600 order；The particle diameter of described nano-calcium carbonate is 160-260 nanometer,
In described ABS, butadiene content is 28wt%-38wt%, styrene-content is 25wt%-35wt%,
Described phosphorus-nitrogen containing flame retardant adopts Kaifeng Hua Shun company model to be the product of HS-PNA-8。
2. a kind of high temperature resistant halogen-free flame-retardant ABS according to claim 1, it is characterised in that: it includes the raw material of following weight portion:
ABS resin 80-90 part
PPO powder 20-30 part
Phosphorus nitrogen system flame retarding agents 3-5 part
Pentaerythritol stearate 0.2-0.5 part
Dilauryl thiodipropionate 0.2-0.5 part。
3. a kind of high temperature resistant halogen-free flame-retardant ABS according to claim 1, it is characterised in that: it includes the raw material of following weight portion:
ABS resin 80 parts
20 parts of PPO powder
Phosphorus nitrogen system flame retarding agents 5 parts
Pentaerythritol stearate 0.5 part
Dilauryl thiodipropionate 0.5 part。
4. a kind of high temperature resistant halogen-free flame-retardant ABS according to claim 1, it is characterised in that: PPO powder adopts blue star chemical company model to be the product of LXR040C。
5. the preparation method of a kind of high temperature resistant halogen-free flame-retardant ABS as claimed in claim 1, it is characterised in that: it includes following preparation process:
Step A: ABS resin is dried in 80-90 DEG C when, standby；
Step B: ABS resin and nano-calcium carbonate, ground calcium carbonate are added in high-speed mixer, stirs, obtain the first mixed material；
Step C: add PPO powder, phosphorus nitrogen system flame retarding agents, pentaerythritol stearate, dilauryl thiodipropionate in the first mixed material, continue to stir, obtain the second mixed material；
Step D: the second mixed material is extruded through double screw extruder, then through cooling, pelletizing, is drying to obtain high temperature resistant halogen-free flame-retardant ABS。
6. the preparation method of a kind of high temperature resistant halogen-free flame-retardant ABS according to claim 5, it is characterized in that: in described step D, the design parameter of double screw extruder is: temperature 198-202 DEG C of a district, two district's temperature 208 212 DEG C, three district's temperature 218 222 DEG C, four district's temperature 228 232 DEG C, five district's temperature 238 242 DEG C, six district's temperature 228 232 DEG C, seven district's temperature 228 232 DEG C, screw speed 200-300r/min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN102070838A (en) * | 2010-12-31 | 2011-05-25 | 东莞市赛泽康纳米科技有限公司 | Nano polypropylene composite material |
| CN102643509A (en) * | 2012-05-21 | 2012-08-22 | 金发科技股份有限公司 | ABS (acrylonitrile-butadiene-styrene) composition with high glowing filament temperature resistance |
| CN102702723A (en) * | 2012-07-06 | 2012-10-03 | 上海日之升新技术发展有限公司 | Halogen-free flame-retardant polyphenylether/ABS (acrylonitrile-butadiene-styrene) alloy and preparation method thereof |
| CN102702722A (en) * | 2012-07-06 | 2012-10-03 | 上海日之升新技术发展有限公司 | Halogen-free flame-retardant reinforced polyphenylether/ABS (acrylonitrile-butadiene-styrene) alloy and preparation method thereof |
| CN103160058A (en) * | 2011-12-13 | 2013-06-19 | 合肥杰事杰新材料股份有限公司 | Halogen-free flame retardant ABS resin and preparation method thereof |
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| JP2002220506A (en) * | 2000-11-21 | 2002-08-09 | Asahi Kasei Corp | Abs flame-retardant resin composition |
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| CN102070838A (en) * | 2010-12-31 | 2011-05-25 | 东莞市赛泽康纳米科技有限公司 | Nano polypropylene composite material |
| CN103160058A (en) * | 2011-12-13 | 2013-06-19 | 合肥杰事杰新材料股份有限公司 | Halogen-free flame retardant ABS resin and preparation method thereof |
| CN102643509A (en) * | 2012-05-21 | 2012-08-22 | 金发科技股份有限公司 | ABS (acrylonitrile-butadiene-styrene) composition with high glowing filament temperature resistance |
| CN102702723A (en) * | 2012-07-06 | 2012-10-03 | 上海日之升新技术发展有限公司 | Halogen-free flame-retardant polyphenylether/ABS (acrylonitrile-butadiene-styrene) alloy and preparation method thereof |
| CN102702722A (en) * | 2012-07-06 | 2012-10-03 | 上海日之升新技术发展有限公司 | Halogen-free flame-retardant reinforced polyphenylether/ABS (acrylonitrile-butadiene-styrene) alloy and preparation method thereof |
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