詳細內(nèi)容： PA46 TC502╦PA46 TC502 POM 日本三菱工程 FG2025-BKMVLDPE(茂金屬)美國�？松�美孚1018 PPO 基礎創(chuàng)新塑料 N1150 PMMA 日本旭化成 560F TPU拜耳優(yōu)得385ASX SBS惠州李長榮3540 PPS四川東麗A310MB7 ABS基礎創(chuàng)新塑料T-1008 PBT美國杜邦SK665FR PPS韓國三星XP-4240 ABS韓國LGAF303G PA612美國杜邦153HSL- POM 日本三菱工程 FG2025-BK PA6/66德國巴斯夫C40 TPV 美國埃克森美孚 111-64 HDPE沙特SABICP5510 LLDPE沙特�？松�美孚EFDC-7050 PA9T 日本可樂麗 G1300A PC日本帝人 3730SI PA6T 日本三井化學 C215NK PC泰國三菱工程 GSH2030DT AS(SAN)臺化NF2200AE PBT基礎創(chuàng)新塑料420SEO-1066 PA6基礎創(chuàng)新塑料PFL4038 HS PC/ABS 廣州LG GN5151RFG PPO 基礎創(chuàng)新塑料(南沙) PVX1201 PBT漳州長春3020-200P PP臺化T3002 PP韓國LG M560 TPU美國路博潤A1120 PBT日本三菱工程5010N5 PA66日本東麗CM3001G-15 PA66日本旭化成FR200 PPS日本東麗A470M PA6日本東洋紡織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. 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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 美國泰科納 M450 PPS菲利普R-4-XT PA6德國巴斯夫B29HM01 PC比利時科思創(chuàng)（拜耳） 2097 PP中石化茂名PPH-T03 LCP日本住友化學SZ6506HF-B PC德國科思創(chuàng)（拜耳） 1897 HDPE沙特SABICF00952 PPO 基礎創(chuàng)新塑料 WCD801A COC德國TOPAS 6013L-17 TPEE美國杜邦DYM350 BK PA6基礎創(chuàng)新塑料PB1006 LM BN 70745 LLDPE中石化茂名DFDA-7042(粉) POM 日本旭化成 3010 ABS臺化AT5500 PC韓國LG GP-2200 BK POM 德國赫斯特 C9021 LS PP日本PBC6D POM 美國泰科納 TX90 PA612 基礎創(chuàng)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 韓國阿科瑪 V040 PC日本出光 LC1200PURE PP北歐化工HH450FB PP上海樂天化學G-153 PC美國陶氏 303-10 TPEE日本東麗7247W KG235PA6DSM 1010C2 PA66法國羅地亞A 216 TPV 新加坡艾佩斯 7010-55 PBT長春5630-276VFEP 金華永和 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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