丙烯腈-丁二烯-苯乙烯棒材
Acrylonitrile-butadiene-styrene terpolymer,flame retarding
CAS: 9003-56-9
Molecular Formula: C45H51N3X2
丙烯腈-丁二烯-苯乙烯棒材 - Names and Identifiers
| Name | Acrylonitrile-butadiene-styrene terpolymer,flame retarding |
| Synonyms | ABS styrene absresin absresins Abs Resins abscopolymer buta-1,3-diene prop-2-enenitrile acrylonitrile-butadiene-styrenecopolymers Acrylonitrile-butadiene-styreneterpolymer acrylonitrile,polymerwith1,3-butadieneandstyrene Acrylonitrile-butadiene-styrene terpolymer,flame retarding 2-propenenitrile,polymerwith1,3-butadieneandethenylbenzene |
| CAS | 9003-56-9 |
| InChI | InChI=1/C8H8.C4H6.C3H3N/c1-2-8-6-4-3-5-7-8;1-3-4-2;1-2-3-4/h2-7H,1H2;3-4H,1-2H2;2H,1H2 |
丙烯腈-丁二烯-苯乙烯棒材 - Physico-chemical Properties
| Molecular Formula | C45H51N3X2 |
| Molar Mass | 633.91 |
| Density | 1.05 g/mL at 25 °C |
| Melting Point | 58.54（±0.5）℃ |
| Boling Point | 145.2°C at 760 mmHg |
| Flash Point | 31.1°C |
| Water Solubility | acetone, MEK and DMF: soluble |
| Vapor Presure | 6.21mmHg at 25°C |
| Appearance | Form powder, color natural |
| Use | For the preparation of instruments, electrical, electrical, mechanical and other parts |
丙烯腈-丁二烯-苯乙烯棒材 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S36 - Wear suitable protective clothing. |
| UN IDs | UN 2215 8 / PGIII |
| WGK Germany | 3 |
| RTECS | AT6970000 |
丙烯腈-丁二烯-苯乙烯棒材 - Upstream Downstream Industry
| Raw Materials | 1,3-BUTADIENE |
| Downstream Products | polyolefine conductive plastics |
丙烯腈-丁二烯-苯乙烯棒材 - Nature
Open Data Verified Data
ABS resin is amorphous, opaque terpolymer, generally light yellow pellets or beads, it has the advantages of three components, is a tough, hard, material with good rigidity. Acrylonitrile gives ABS resin chemical stability, oil resistance, certain rigidity and hardness; Butadiene improves its toughness, impact and cold resistance; Styrene makes it have good dielectric properties and gloss, and show good processing characteristics. The melting temperature of ABS resin is 190~240 deg C, thermal decomposition temperature> 250 deg C. The product has good dimensional stability, molding shrinkage is small. Has excellent comprehensive physical and mechanical properties, non-toxic, odorless, heat resistance, impact resistance, especially good low temperature impact; Electrical properties, wear resistance, chemical stability; Water resistance, inorganic salts, alkali and acids; insoluble in most alcohols and hydrocarbon solvents, and soluble in aldehydes, ketones, esters and some chlorinated hydrocarbons; Poor weather resistance, flammable, low heat distortion temperature.
Last Update：2024-01-02 23:10:35
丙烯腈-丁二烯-苯乙烯棒材 - Preparation Method
Open Data Verified Data
There are many industrial production methods for BS resin. At present, the most widely used in the world is still the emulsion method, which can be divided into two categories: emulsion grafting and emulsion grafting blending. The bulk suspension method still has some practical value. This is briefly described as follows.
- the floating liquid grafting method of butadiene (or styrene) in the polymerization kettle, the synthesis of fatty acid potassium soap as emulsifier, organic peroxide as initiator, polybutadiene or styrene-butadiene latex was prepared by emulsion polymerization at 5-20 °c. A certain amount of latex is added to the graft polymerization reactor in the required ratio of styrene, acrylonitrile, emulsifier, initiator (potassium persulfate) and regulator (tertiary mercaptan), the graft polymer latex was obtained by emulsion graft copolymerization at 60-90 ℃ for 6H. The antioxidant is added to the latex, and the ABS resin product is obtained by separating, washing, drying and granulating with salt water or sulfuric acid in the coagulation tank.
- emulsion grafting blending method the PB latex prepared by emulsion grafting method is blended with AS latex prepared from styrene and acrylonitrile, and then washed with condensed water, centrifuged, dried, ABS resin products were obtained by granulation. ABS powder prepared by emulsion graft copolymerization of polybutadiene latex, ABS resin product prepared by blending AS pellets and various additives by suspension polymerization, foreign industrial production is often used in the method.
- Bulk-suspension method polybutadiene (or styrene-butadiene) rubber is first dissolved in styrene and acrylonitrile monomers, and bulk prepolymerization is carried out. When the polymerization conversion rate reaches 20% ~ 40% and the phase transition occurs, it is transferred to a water-containing suspension polymerization kettle for suspension polymerization. After the polymerization reaction is finished, the product is obtained by centrifugal dehydration, washing and drying.
- According to the characteristics of the three monomers in ABS, by adjusting the proportion of each monomer, molecular weight, adding additives, can produce a variety of ABS brands to meet the requirements of different customers. Theoretically, the composition of ABS can vary indefinitely, but is usually in the range of A/B/S = (20 to 30)/(5 to 40)/(40 to 70). For example, by controlling the content (lower), particle size (smaller), AN content and molecular weight (lower) of the rubber phase in ABS, high gloss ABS can be obtained; Increase the rubber content, cold resistant, high impact ABS can be prepared; Improve the melt strength (molecular weight), can be prepared blow molding grade ABS.
Last Update：2022-01-01 11:07:53
丙烯腈-丁二烯-苯乙烯棒材 - Safety
Open Data Verified Data
resin production raw materials, the skin and mucous membranes of the human body have different degrees of stimulation, can cause skin allergic reactions and inflammation; At the same time also pay attention to the harm of resin dust on the human body, long-term inhalation of high concentrations of resin dust, can cause lung lesions. Most of the resin has a common dangerous characteristics: open flame, high temperature flammable, and oxidant contact has caused the risk of combustion, therefore, the operation of vacuum forming on the processed plate, the operating personnel should improve the operating environment, the operating area and the non-type temperature to 120~170 ℃ as good as the operating area of the conscious drawing, as far as possible automation, sealing, installation of ventilation facilities. Paper plastic bag bag resin production raw materials, the human body leather, 25kg/bag, stored in a cool, ventilated and dry place
Last Update：2022-01-01 11:07:54
丙烯腈-丁二烯-苯乙烯棒材 - Molding Process
Open Data Verified Data
ABS resin is an amorphous polymer with good processability. Not only can be used in injection molding, extrusion, calendering, blow molding, vacuum and foaming and other general molding processing methods, can also be used in cold molding processing. But not applicable to compression and transfer molding
Processing, also should not use hot melt method or casting method. Because of the small hygroscopicity of ABS resin, it can be used for molding processing without drying under normal circumstances, and the surface gloss of the product is better if it is processed after drying. During injection molding, the material temperature is controlled at 200~240 ℃, the injection pressure is 50 ~ lOOMPa, and the mold temperature is 40~80 ℃. The molded article can be annealed at 70 °c for 2-4H in an infrared lamp or a blast oven to remove internal stress. During extrusion molding, the temperature of the front part of the cylinder is 170~180 ℃, the temperature of the middle part is 180~220 ℃, the temperature of the head is 180~220 ℃, the temperature of the die is 180~210 ℃, and the ratio of the length to diameter of the screw is 18~20, the compression ratio was 2.5 to 3.0.
ABS plastic can be welded by flame and ABS electrode, or bonded with 10% ABS methyl ethyl ketone solution, and can also be used for drilling, sawing, cutting, turning, milling and other mechanical secondary processing. The surface of the parts is very easy to be plated and printed.
- injection molding.
- extrusion molding.
- for the processed plate by vacuum forming, the forming temperature is 120~170 ℃.
Last Update：2022-01-01 11:07:54
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View History
丙烯腈-丁二烯-苯乙烯棒材
4-(4-硝基苄氧基)苯乙酮
CHLOROFORMIC ACID DIETHYLAMIDE
2-溴-4-氟苄腈2-溴-4-氟苯腈
红花岩黄芪香豆雌酚B
4-((叔丁基二甲基甲硅烷基)氧基)环己烷羧酸乙酯
2-(4-甲基苯基磺酰氨基)-2-苯乙酸甲酯
2-乙酰氨基-3-氧代-丁酸 乙基 酯
1,3-二硝基萘
4-(4-硝基苄氧基)苯乙酮
CHLOROFORMIC ACID DIETHYLAMIDE
2-溴-4-氟苄腈2-溴-4-氟苯腈
红花岩黄芪香豆雌酚B
4-((叔丁基二甲基甲硅烷基)氧基)环己烷羧酸乙酯
2-(4-甲基苯基磺酰氨基)-2-苯乙酸甲酯
2-乙酰氨基-3-氧代-丁酸 乙基 酯
1,3-二硝基萘
Raw Materials for 丙烯腈-丁二烯-苯乙烯棒材
Downstream Products for 丙烯腈-丁二烯-苯乙烯棒材