PA46 TC502╦PA46 TC502

详细内容： PA46 TC502╦PA46 TC502 POM 日本三菱工程 FG2025-BKMVLDPE(茂金属)美国埃克森美孚1018 PPO 基础创新塑料 N1150 PMMA 日本旭化成 560F TPU拜耳优得385ASX SBS惠州李长荣3540 PPS四川东丽A310MB7 ABS基础创新塑料T-1008 PBT美国杜邦SK665FR PPS韩国三星XP-4240 ABS韩国LGAF303G PA612美国杜邦153HSL- POM 日本三菱工程 FG2025-BK PA6/66德国巴斯夫C40 TPV 美国埃克森美孚 111-64 HDPE沙特SABICP5510 LLDPE沙特埃克森美孚EFDC-7050 PA9T 日本可乐丽 G1300A PC日本帝人 3730SI PA6T 日本三井化学 C215NK PC泰国三菱工程 GSH2030DT AS(SAN)台化NF2200AE PBT基础创新塑料420SEO-1066 PA6基础创新塑料PFL4038 HS PC/ABS 广州LG GN5151RFG PPO 基础创新塑料(南沙) PVX1201 PBT漳州长春3020-200P PP台化T3002 PP韩国LG M560 TPU美国路博润A1120 PBT日本三菱工程5010N5 PA66日本东丽CM3001G-15 PA66日本旭化成FR200 PPS日本东丽A470M PA6日本东洋纺织T-422T PA46 TC502╦PA46 TC502 PA46 TC502╦PA46 TC502 PBT The rheological property of PET is better in the melting state, and the effect of pressure on the viscosity is larger than that of the temperature. Therefore, the flow of the melt is changed mainly from the pressure. 1, the treatment of plastics is due to the PET macromolecule containing lipid base, which has a certain hydrophilicity. The pellets are sensitive to water at high temperature. When the moisture content exceeds the limit, the molecular weight of PET decreases, and the products are colored and crisp. Therefore, it is necessary to dry the material before processing, and the drying temperature is 150, 4 hours, generally 170, 3-4 hours. The air - ejection method is used to test whether the material is completely dry. Generally, the proportion of the recycled material should not exceed 25%, and the recycled material should be completely dried. 2, PET is chosen for injection molding machine. Because of its short time after melting point and high melting point, it is necessary to choose injection system with more temperature control section and less friction heat when plasticizing, and the actual weight of products (water cut material) should not be less than 2/3 of machine injection volume. Based on these requirements, in recent years, Ramada has developed a small and medium-sized series of PET special plasticizing systems. The clamping force is selected by more than 6300t/m2. 3, mold and gate design, PET bottle embryo is usually molded by hot runner mold. Between the mold and injection molding machine template, it is best to have insulation panels, the thickness is about 12mm, and the heat insulation board will be able to withstand high pressure. The exhaust must be sufficient to avoid partial overheating or fragmentation, but the depth of the exhaust port is generally not more than 0.03mm, otherwise it is easy to produce the fly edge. 4, the temperature of the melt glue can be measured by air ejection method. At 270-295 degrees C, the enhancement level GF-PET can be set to 290-315 degrees C. 5, the injection speed is fast, and it can prevent the early solidification of the injection. But too fast, the high shear rate makes the material fragile. The ejection is usually completed in 4 seconds. PA46 TC502╦PA46 TC502 TPU德国科思创（拜耳）355 POM 美国杜邦 500LM PC德国科思创（拜耳） TP-0284 LCP日本宝理S475 PC日本出光 RE1900 PBT长春5615-104C PEI 基础创新塑料 PDX-E-99545 PP日本三井化学MA3 ABS韩国LGGP-2106F PPS日本油墨FZ-1140-D5 BK PPS深圳东丽A310MX04 TPE美国杜邦80A PC日本三菱工程 DS-3002R PA6韩国巴斯夫B3WGM24 PA6日本东丽CM1017XL2 PA6惠州南亚2210G3 PBT基础创新塑料EXVX1152-1001 PC/ABS 广州LG GP-5006BH PFA 美国杜邦 420HP ABS日本东丽500 GPPS上海赛科251P PC/PET 日本帝人 AM9830F PP韩国SK BX3910 PA66美国泰科纳GF40-01 PA612 美国杜邦 158 PBT漳州长春3045-104E PA66美国首诺R513H TPU美国亨斯迈98AE PC基础创新塑料 EXL1414B PA11 法国阿托菲纳 M-BMN PPO 日本三菱工程 GX1100 BK LCP美国杜邦ZE16103 WT010 LCP日本东丽L204G35E PVDF 法国阿科玛 Kynar 461 PA66美国杜邦FE5382 PA46 TC502╦PA46 TC502 PA46 TC502╦PA46 TC502 6, the lower the back pressure, the better, so as to avoid wear. Generally not more than 100bar. It is usually not used. 7. Do not use too long detention time to prevent the decline of molecular weight. Try to avoid the temperature above 300 degrees centigrade. If the shutdown is less than 15 minutes. It is only required to do air - fire treatment; if more than 15 minutes, the viscosity PE should be cleaned and the barrel temperature is reduced to PE temperature until the machine is reopened. Recycling PA46 TC502╦PA46 TC502 POM 美国泰科纳 M450 PPS菲利普R-4-XT PA6德国巴斯夫B29HM01 PC比利时科思创（拜耳） 2097 PP中石化茂名PPH-T03 LCP日本住友化学SZ6506HF-B PC德国科思创（拜耳） 1897 HDPE沙特SABICF00952 PPO 基础创新塑料 WCD801A COC德国TOPAS 6013L-17 TPEE美国杜邦DYM350 BK PA6基础创新塑料PB1006 LM BN 70745 LLDPE中石化茂名DFDA-7042(粉) POM 日本旭化成 3010 ABS台化AT5500 PC韩国LG GP-2200 BK POM 德国赫斯特 C9021 LS PP日本PBC6D POM 美国泰科纳 TX90 PA612 基础创新塑料 SF-1004-NC PPO 日本旭化成 220Z PBT杭州新光3803 HDPE沙特埃克森美孚HMA-025 PC日本三菱工程 GS3010SR-9001 PMMA 韩国阿科玛 V040 PC日本出光 LC1200PURE PP北欧化工HH450FB PP上海乐天化学G-153 PC美国陶氏 303-10 TPEE日本东丽7247W KG235PA6DSM 1010C2 PA66法国罗地亚A 216 TPV 新加坡艾佩斯 7010-55 PBT长春5630-276VFEP 金华永和 EW-5 PA46 TC502╦PA46 TC502 PA46 TC502╦PA46 TC502 The recycling of German PET bottles to "Chinese sweaters" is also worth thinking, and there are about 8000000 PET bottles in the German market each year. The recycling company collected the bottles, crushed them into pieces or crushed them, and sold it to China at a relatively high price. According to the figures, a bottle of 16 liters of drink can be made into a sweater. Before 1993, all the plastic bottles were in the trash, a small part of the recycling. Since 4 years ago and the implementation of the tank fee, supermarket must recycle empty bottles, PET bottles, embarked on a journey to China, Wan Li: into synthetic crude wool sweater, and then returned to Germany, homecoming. China's textile industry has a huge demand for plastics. Although traders will add a bit more to the price of German recycling companies, imports are cheaper than their own raw materials. The transport from Hamburg to Hongkong was very low, because there were a lot of vacancies on the ship after the freighter came from China and unloaded the textile. The cost of production in China is very low, because the labor force is low, and the environmental and social standards are not perfect. In Chinese factories, these PET materials are classified according to color, cut into fragments and melted. After processing, PET bottles were returned to Germany in the form of textiles and sold in Germany. The value creation here is huge: a synthetic woolen sweater costs between 50 and 100 euros, and the material used is only 32 euro cents. The Far East can't see the end of the old plastic starvation. China has not been able to meet its needs with raw materials. In this context, second hand materials like PET are multiplied. Plastic empty bottles are used as raw materials in China, which shows that there is a world market of used raw materials in fact. 10 years ago, garbage was thrown into a garbage dump. "We were a consumer and discarding society." The example of China's processing Germany reselling illustrates the problem. "This market development shows to all consumers that some rubbish is indeed regenerated and reused." 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