(ppe ah50)ppe ah50tpe tc6caapbt cs815wp tpu德国科思 ˉh4500tpuˉs375d pp日本普瑞曼v7104c/ls2pc 26pmma/pm120npp/sd233cfppˉ5143h eva新加坡聚烯烃ma-10pm bt bm6450xd ldpe中石油大庆2426fpps oel36a pbt 462pcˉbx7241pp/rp344npbt pf321g6ppˉ4220tpe vtv6lvz pmma 德国赢创德固赛 8817pp/sc101pc 1003-fr3 (ppe ah50)ppe ah50 (ppe ah50)ppe ah50
pc/pbt alloy
pc/pbt alloy, pbt has excellent mechanical properties, chemical corrosion resistance and easy molding. the blending of pbt and pc can improve pc fluidity, improve processability and chemical resistance. because pbt is a crystalline polymer, it is easy to phase separation when mixed with pc, and its interfacial adhesion is not good, so its impact toughness is not ideal. a certain amount of elastomers is usually added to improve the impact strength of the blends. the zinc salts of thermoplastic elastomer ethylene / methacrylate copolymers play a role in compatibilization and toughening of pc/pbt blends. the addition of some nucleating agent can improve the crystallinity of the blends; adding a small amount of low pressure polyethylene in pc/pbt blend system, can improve the flowability of the blend, play a toughening effect on blends, and can improve the appearance of alloy; added in pc/pbt ethylene / vinyl acetate copolymer can further enhance the compatibility and improve impact resistance strength; esterification reaction between pc and pbt, can improve the compatibility, japanese researchers using pc and pbt in the presence of a transesterification catalyst, prepared pc/pbt blends, good comprehensive performance, but also has better transparency; and pc with similar refractive index of glass fiber reinforced pc/pbt, not only the excellent comprehensive performance system. and good transparency, can do instead of glass materials. foreign pc/pbt alloy products are mainly used for automobile bumpers, packaging film materials, car base and seat, etc.
(ppe ah50)ppe ah50 pbt日本宝理crn7015b bk mbs pom 日本旭化成 hc760pp/bmu23 本三菱工程1013g-15pp/jh-370bpomgc240pc ir 0pomfp15xpa6/px11311upc/dl001pc/abs 7560 tpu德国巴斯夫b64d52pp ep545lpc mpx2pbt 2003abs a ep610pbt kp515flblpp/mbb3034/pcˉxp41r20gfpa66ˉrf00ahpp 35ll 0ppˉ1043n (ppe ah50)ppe ah50 (ppe ah50)ppe ah50
pet pet has good mechanical properties and chemical resistance. pc/pet has both the rigidity and heat resistance of pc, and the solvent resistance of pet. moreover, the addition of pet can improve the processing fluidity of pc. domestic researchers found that when the pc/pet ratio is 1/3, the interface layer forms between the two phases, and the pc/pet compatibility is best at this time. in addition pc and pet ester exchange reaction is one of the best ways in which the catalyst compatibility, selection of a very large impact on the reaction, the catalyst of lanthanide catalyst and the traditional study found (such as titanium) have higher catalytic activity, and there is no side effects, also found that the ester exchange reaction occurs mainly in the interface. in pc/pet blends, the toughness and impact strength of the alloy can be improved by adding elastomer, such as butyl acrylate.
the research and development of pc alloy change rapidly, there are a variety of pc alloy has been developed and marketed, especially pc modified polyester blends, such as pet/pcl (multiblock copolyesters by ethylene glycol, a low molecular weight polycaprolactone and terephthalic acid copolymer made) blended with pc modification; by 1, modified polyester pc blended with 4 - cyclohexane two methanol, ethylene glycol and terephthalic acid, can significantly improve the pc flexural modulus and tensile strength; polycaprolactone with glass fiber as reinforcing material, promote the pcl and pc were mixed with modified transesterification catalyst, transparent material can get good processing performance, high rigidity; poly (1, 4 - two - 1 4 cyclohexane carboxylic acid, cyclohexane two methanol) ester modified pc, pc can significantly improve the transparency and yellowing resistance, can be used as optical materials; liquid crystal polyester modified pc it can be used to improve the melting and mechanical properties of pc.
injection molding process(pp eppˉ62f4-2cˉpmma bm-923 lcp美国杜邦95140-bk010 lcp日本住友化学e5002l bkpa66 rcp36pp 7035e5 tpe德国胶宝tf5mbs p 14 pom 日本旭化成 4590 pei 基础 tpeeˉ5720pps xe3035bl pps日本东丽a630t30pc 2095pc/ml-6500zahpa6ˉhpnˉ9315ghsp a46荷兰dsm ts2 t/pet/7062 pa6意大利波利.布兰德b av na fdpc/abs/2501frapa6ˉpfb139e lcp日本住友化学e7006pc 920 (ppe ah50)ppe ah50 (ppe ah50)ppe ah50
pc model
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(ppe ah50)ppe ah5 11pc x ta6pom/100petpu 1 pc/hfd4472po ˉgp80abpp 612mk46 pp c40h455 peek 基础创新塑料 ll004cpbtˉ1642z pp中石化广州sm338 pp 61 mvldpe(茂金 lcpˉj540pbt b4300g6 pp g 680aepp tf08 5fc4 (ppe ah50)ppe ah50 (ppe ah50)ppe ah50
one of the laws;
use: widely used in transparent building plates, electronic appliances, optical discs, automobile industry, machinery, optics, medicine and other fields.
physical properties and processing of pc plastics
the low temperature -45 degree polycarbonate is colorless and transparent, heat resistant, impact resistance, and flame retardant bi class, and has excellent mechanical function in the common use temperature.
density: 1.201.22g/cm^3
linear expansion rate: 3.8 * 10 cm/cm degrees c
melt flow rate (330 degree c/2.16 kg)
mold temperature injection pressure: 50~80, 80~130, process preheatin rameter time /h barrel
23 c, 24 hr 0.20%
saturation, 23 degree c 0.40%
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