ABS树脂是五大合成树脂之一,其抗冲击性、耐热性、耐低温性、耐化学***性及电气性能优良,还具有易加工、制品尺寸稳定、表面光泽性好等特点,容易涂装、着色,还可以进行表面喷镀金属、电镀、焊接、热压和粘接等二次加工,广泛应用于机械、汽车、电子电器、仪器仪表、纺织和建筑等工业领域,是一种用途极广的热塑性工程塑料。***-丁二烯-***共聚物是由***,丁二烯和***组成的三元共聚物。ABS AX4200、ABS AXT010、ABS AXT040、ABS AF3800、ABS AT5800、ABS AXTO4O、ABS AX4000、ABS AX4100、ABS AP22AT、ABS AT5500、ABS ANC100
ABS resin is one of the five major synthetic resins. It is resistant to impact, heat resistance, low temperature resistance, chemical resistance and electrical properties. It also has the characteristics of easy processing, stable size, good gloss and so on. It is easy to paint, coloring, and can also be used for surface spraying metal, electroplating, welding, hot pressing and bonding, and so on. Secondary processing, widely used in mechanical, automotive, electronic and electrical appliances, instruments, textiles and architecture and other industrial fields, is a very widely used thermoplastic engineering plastics. Acrylonitrile butadiene styrene copolymer is a three component copolymer c***isting of acrylonitrile, butadiene and styrene. ABS AX4200, ABS AXT010, ABS AXT040, ABS AF3800, ABS AT5800, ABS AXTO4O, Dan, and Yang,
①热塑性弹性体TPR热塑性弹性体TPR,TPE是一种具有橡胶的高弹性,高强度,高回弹性,又具有可注塑加工的特征,具有环保***安全,硬度范围广,有优良的着****,触感柔软,耐候性,***性和耐温性,加工性能优越,无须硫化,可以循环使用降低成本,既可以二次注塑成型,与PP、PE、PC‖、PS、ABS等基体材料包覆粘合,也可以单独成型。热塑性弹性体既具有热塑性塑料的加工性能,又具有硫化橡胶的物理性能,可谓是塑料和橡胶优点的优势组合。热塑性弹性体正在大肆占领原本只属于硫化橡胶的领地。近十余年来,电子电器、通讯与汽车行业的快速发展带动了热塑性弹性体市的高速发展。
(1) thermoplastic elastomer TPR thermoplastic elastomer TPR, TPE is a kind of rubber with high elasticity, high strength, high resilience, and has the characteristics of injection molding. It has environmental protection and non-toxic safety, a wide range of hardness, has excellent wear, soft, weatherability, fatigue resistance and temperature resistance, excellent processing performance, need not. Vulcanization, can be recycled to reduce costs, can be two injection molding, and PP, PE, PC, PS, ABS and other matrix materials coated and bonded, also can be individually molded. Thermoplastic elastomers not only h***e the processing properties of thermoplastic, but also h***e the physical properties of vulcanized rubber, which is the advantage combination of plastics and rubber. Thermoplastic elastomers are occupying the territories that were originally vulcanized rubber. Over the past ten years, the rapid development of electronic, electrical, communication and automotive industries has led to the rapid development of the thermoplastic elastomer market.
SBS主要用于橡胶制品、树脂改性剂、粘合剂和沥青改性剂四大应域。在橡胶制品方面,SBS模压制品主要用于制鞋(鞋底)工业,挤出制品主要用于胶管和胶带;作为树脂改性剂,少量SBS分别与聚丙烯(PP)、聚乙烯(PE)、聚***(PS)共混可明显改善制品的低温性能和冲击强度;
SBS is mainly used in rubber products, resin modifiers, adhesives and asphalt modifiers four major areas. In rubber products, SBS molding products are mainly used in the industry of shoe making (sole). The extruded products are mainly used for rubber tube and adhesive tape. As a resin modifier, a ***all amount of SBS blend with polypropylene (PP), polyethylene (PE) and polystyrene (PS), respectively, to improve the low temperature performance and impact strength of the products.
PP-R是以共聚PP为基础经乙烯改性而成的无规聚丙烯。无规PP的分子量***小的只有几万,内聚力小,熔点低,机械性能差。只有经过乙烯改性的无规PP才有实际应用价值。其改***是将丙烯气化后用气相法送入反应釜,并用气锁系统将材料从DI一反应釜送到第二反应釜,并在第二反应釜中加入乙烯。采用高活性、高选择性的丙烯催化剂,加在反应釜的上部,靠搅拌将其均匀地分散到粉料层上,通过控制乙烯与丙烯的比例形成无规共聚物。这种聚合物改变了PP分子链的构型,使乙烯在PP的分子链上随机而均匀地聚合。
PP-R is an atactic polypropylene modified by ethylene based on copolymerization PP. The molecular weight of random PP is only tens of thousands of ***, ***all cohesion, low melting point and poor mechanical properties. Only the random PP modified by ethylene has practical application value. The modification process is to vaporized propylene into a reactor by gas phase method, and use gas lock system to send material from DI reactor to second reaction kettle and add ethylene in the second reaction kettle. The high activity and high selectivity propylene catalyst, added to the upper part of the reactor, is evenly dispersed into the powder layer by mixing, and the random copolymer is formed by controlling the proportion of ethylene to propylene. The polymer changed the configuration of PP chain and made ethylene polymerize randomly and evenly on the molecular chain of PP.
与普通PP相比,PP-R材料的耐应力开裂性得到极大提高,在温度和内外压力作用下,其性能衰减非常缓慢,是目前用作生产输送冷热水管的***为理想的材料之一。
Compared with the ordinary PP, the stress cracking resistance of the PP-R material is greatly improved. Under the action of temperature and internal and external pressure, its performance attenuation is very slow. It is one of the ideal materials used to produce *** for the production and transportation of cold and hot water pipes.
PA66 (聚酰胺66或尼龙66),同PA6相比,PA66更广泛应用于汽车工业、仪器壳体以及其它需要有抗冲击性和高强度要求的产品。聚酰胺树脂,英文名称为polyamide,简称PA。俗称尼龙(Nylon),它是大分子主链重复单元中含有酰胺基团的高聚物的总称。为五大工程塑料中产量***大、品种***多、用途***广的品种。尼龙中的主要品种是尼龙6和尼龙66,占jue对主导地位, 中文名称尼龙66外文名Polyamide 66又称尼龙66缩写nylon 66CAS编号32131-17-2成分聚己二酰己二胺适用范围机械、汽车、电气装置的零件
PA66 (polyamide 66 or nylon 66), compared with PA6, is more widely used in the automotive industry, the shell of the instrument, and other products that require impact resistance and high strength. Polyamide resin, the English name is polyamide, or PA. Commonly known as Niron (Nylon), it is a general term for polymers containing macrocyclic backbone chains containing amide groups. It is a variety of five major engineering plastics which yield ***, *** and ***. The main varieties of nylon are nylon 6 and nylon 66, leading to Jue, Chinese name nylon 66 foreign name Polyamide 66, nylon 66 abbreviated nylon 66CAS 32131-17-2 component poly (two acyl) adipamine suitable for mechanical, automotive, electrical equipment parts
PA6的化学物理特性和PA66很相似,然而,它的熔点较低,而且工艺温度范围很宽。它的抗冲击性和抗溶解性比PA66要好,但吸湿性也更强。因为塑件的许多品质特性都要受到吸湿性的影响,因此使用PA6设计产品时要充分考虑这一点。为了提高PA6的机械特性,经常加入各种各样的改性剂。玻璃纤维就是***常见的添加剂,有时为了提高抗冲击性还加入合成橡胶,如EPDM和SBR等。对于没有添加剂的产品,PA6的收缩1%到1.5%之间。加入玻璃纤维添加剂可以使收缩率降低到0.3%(但和流程相垂直的方向还要稍高一些)。成型组装的收缩率主要受材料的结晶度和吸湿性影响。实际的收缩率还和塑件设计、壁厚及其它工艺参数成函数关系。
The physical and chemical properties of PA6 are similar to those of PA66. However, its melting point is low and the temperature range of the process is very wide. Its impact resistance and solubility are better than that of PA66, but its hygroscopicity is stronger. Because many quality characteristics of plastic parts are affected by hygroscopicity, we should give full c***ideration to this when using PA6 to design products. In order to improve the mechanical properties of PA6, various modifiers are often added. Glass fiber is a common additive for ***. Sometimes synthetic rubber, such as EPDM and SBR, is added in order to improve its impact resistance. For products without additives, PA6 shrinks between 1% and 1.5%. Adding glass fiber additives can reduce the shrinkage rate to 0.3% (but slightly higher in the direction perpendicular to the process). The shrinkage of molding and assembly is mainly affected by the crystallinity and moisture absorption of the material. The actual shrinkage rate is also related to plastic design, wall thickness and other process
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