PBT 3300V◤PBT 3300V →，PC/ABS LGF2301F 、‖。PP 86MF10 POM TD-20 TPE BT-1163D 、‖。PP 90SPW 、‖。PC MX1021FD 、→，LDPE 690 PA6 PH0220AC EVA 1626 、→，PC 、→，EMA 18MA02 PC G-3110PH PC/ABS CX7720 、‖。TPE HX-155DB 、→，PBT X8300MR 、‖。LCP LG431-9733L TPE TPSD310-40A 、‖。PMMA HI855H 、‖。PC/ABS TP220T 、‖。PA66 A3EG10 LLDPE 6821NE POM C9021S PP 3340PC 、→，TPEE EL630 EVA N1008HB TPU 54660 、→，TPO 2471 、‖。PP 525P 、‖。 5265 PBT PF300G6 PP HJ4045 PPO GN1006FJ PA66 RC006H PC 302V-6LD PP J-60|40 TPEE 1172LLF 、‖。PP CA60A PPS C-600SG 、→，PC/、→，PA12 PD300G6 、→，TPO 9020B- 、→，TPEE E5578FR01 、‖。PA612 CF6 S NATUR 、‖。 260 、‖。TPE TF5AAC PA66 625 、→，PP FB3HAT PC 1201-22 AS 767 、→，PC/ABS AC2400 LLDPE DNDA7150 、→，PP H10060 、→，TPU 58091 、→，XLPE LE4201EHV PP 3980FL EVA 1820 、→，PP J-550S LDPE LD117 、→，EVA 3182-2 、→，PBT 5010GN1-15-8S 、‖。TPU 58271 TPV M3800BS ABS 770SRS 、‖。PA66 RV00、→，PPS G142Z1 、‖。PP M3000C 、‖。PP RX9300 HDPE HE 6068 、→，AESNOP20TL 、‖。TPE KP3547 、‖。PP 7505KNE2 、‖。PP 140BSR-ONE ABS AF342 HDPE HD-6733 、‖。PPO WCV063-111 PMMA TS1672 、‖。TPU S360D 、→，PA612 157HB 、‖。PBT 3216HR 、→，LDPE 818 TPU 11T85E 、→，LDPE 8000 、‖。PC 244R-111 PC 121R POM KF002XXP 、→，PA6 BG-30FC 、→，PC EXL4019 PC 1897 BK PA6 PF004S 、‖。PC/ABS CY5100 TPE TF5ATL-S142 TPU 192 、→，PBT PF305G6 ABS PA-707(鈦白) 、→，PES AG-340 、→，TPV 3600BR 、‖。PC RZ227 、→，LLDPE 18365-S 、→，PA66 1402SH 、‖。PC ML-4104ZLP EVA PA-459 、‖。PC URC2505E PA66 SE30C 、‖。TPU 70AI 、‖。PC 133 PP H110MA 、‖。PP MB006SXP 、→，PC LGK4030 PP EP640R 、‖。PC 103R-111 、→，LDPE EB-853/72 、‖。PBT VC108 、→，LDPE 1122B ABS 770SR PA46 TW241F10 BK 、 PP Electrical properties It has high dielectric coefficient and can be used to make insulating products of electric appliances with the rise of temperature. Its breakdown voltage is also very high, suitable for use as electrical accessories. It has good resistance to voltage and arc resistance, but it has high static electricity, and it is easy to be aged with copper. Weatherability Polypropylene is sensitive to ultraviolet light. Adding Zinc Oxide, two propionic acid, two propionic acid, cinnamate, carbon black?or?similar milk filler can improve its aging resistance. Calculation of the reference value of hydrophobic parameter (XlogP): 3.32, number 03, number of hydrogen bond donor: hydrogen bond acceptor: 34, number: 15, the chemical bond rotation tautomer number: 6, topological polar molecular surface area (TPSA): 29.5 to avoid strong oxidizing agent, chlorine, Potassium Permanganate closed, cool and dry place save, to ensure good ventilation. Characteristic Non-toxic, tasteless, small density, strength, stiffness, hardness of the hardness is better than low pressure polyethylene, can be used at about 100 degrees C. It has good dielectric property and high frequency insulation and is not affected by humidity, but it becomes brittle at low temperature. It is not wearable and aging. It is suitable for making general mechanical parts, corrosion-resistant parts and insulation parts. Common acid and alkali and other organic solvents, it almost does not work, can be used for utensils. Polypropylene has many excellent properties: 1. The relative density is small. It is only 0.89-0.91. It is one of the lightest varieties in plastic. 2, good mechanical properties, in addition to the impact resistance, other mechanical properties are better than polyethylene, good molding performance. 3, with high heat resistance, the continuous use temperature of up to 110-120 degrees. 4, good chemical properties, almost no water, and the vast majority of chemical drugs do not react. 5, pure texture, non-toxic. 6. The electrical insulation is good. 7. The transparency of polypropylene products is better than that of high density polyethylene. It has many advantages, but also has shortcomings. 1. The cold resistance of the products is poor, and the low temperature impact strength is low. 2, products are vulnerable to light, heat and oxygen in the use of aging. 3. The pigmentation is not good. 4, easy to burn. 5, poor toughness, high degree of static electricity, dyeability, printing and poor adhesion. The branched chain atoms of the random polypropylene are irregularly distributed on both sides of the main chain. See Figure three Polypropylene classification chart three EVA Increase the impact resistance of ethylene propylene rubber, EPDM, POE, EVA, SBS Improve transparency LDPE, ethylene propylene rubber, POE Improvement of pigmented polyamide, polyurethane, polyacrylamide, polyacrylate, polyester, polyvinylidene chloride, polyvinylidene two Improving gas tightness (gas barrier) polyamide and polyvinylidene chloride two Improved antistatic polyvinyl alcohol In the blending modification, we must pay attention to the compatibility between different polymers. When the two polymers with poor compatibility are mixed, third components which are compatible with the two polymers often are called compatibilizer. Such as polypropylene and nylon -6 compatibility is poor, single * machinery force can not mix the two evenly, then add a little like has been grafted with maleic anhydride two polypropylene, maleic anhydride and nylon two because -6 amide groups can occur chemical reaction, it can greatly improve the compatibility of -6 nylon and polypropylene. In the blending modification, we must notice that only when the heterogeneous system is formed, and the two polymers can be evenly dispersed, can we achieve the desired modification effect. EBS Packaging materials in plastic products occupy an extremely important position, according to statistics, the world's plastic for packaging accounts for about 35% of the total plastic consumption. The development of packaging plastics in China has been developing rapidly. The output increased from 190 thousand T in 1980 to 4 million 650 thousand T in 2003. It is expected to exceed 5 million 500 thousand T in 2005, over 6 million T in 2010, and more than 6 million 500 thousand T in 2015, accounting for about 13% of the total national packaging output. Polypropylene film From the point of view of the product, the packaging film accounts for more than 50% of the total amount of the packaging plastic. The biaxially oriented polypropylene (BOPP) film is one of the largest consumption areas of PP resin in China. In 2003, 86 BOPP production enterprises (123 production lines) were produced in China. The total production capacity is 1 million 400 thousand t/a, and 2 million t/a (138 production lines) in 2004. The output will exceed 1 million T. Domestic enterprises focus on improving product competitiveness, and have introduced a number of advanced BOPP production equipment. The width of the film is 8.3m, and the line speed is as high as 400~500m/min. According to China's existing BOPP film production capacity conversion, the annual demand for PP resin of nearly 2 million T, with high speed, so it should be extended PP special material, good transparency in the development of BOPP films, including attention, ethylene propylene copolymer used in supporting, in order to adapt to the introduction of new equipment of BOPP films. industrial production Chinese industry China polypropylene industrial production began in 1970s, after 30 years of development, has been basically formed and process the production of a variety of solvent, liquid phase bulk gas phase method, batch liquid bulk polymerization and gas phase method, large and small production scale production pattern of coexistence. China's large polypropylene production equipment is mainly imported technology, and the medium and small polypropylene production equipment are mainly made by domestic technology.