Shanghai Daoqin Plastics Co., Ltd.

         terephthalic acid ester (PET) is types property can excellent thermoplastic property plastics, its melt temperature degree and 玻璃化转变 temperature degree relatively high, tool has good heat resistant property, resistant creep property, fatigue resistance, resistant scratch and abrasion loss property, electrical insulation property and chemical resistant product property, by used for combined formed fiber, film, engineering plastics, and day use product and other field/area. PET price low 廉, 20世纪60 year 代便开始 as is engineering plastics application development, currently already used for automotive, electrical machine, electronics, use electrical appliances and machine and other industry.

        1.PET engineering plastics development

        但PET as is engineering plastics use, long 期以 受 to various made. due to usually processing mold temperature in 70℃-110℃ scope/range inner, PET crystallization speed degree slow formed crystallization 不完善 and non-uniform, make cycle long, products easy viscous in mold upper, and generate warpage, surface coarse gloss, resistant impact property and resistant wet hot property and other disadvantages, in very long time inner 人们都认 is its 不适宜 as is engineering plastics use.

         from 40 year 代开始PET as is fiber applications by industrial production, 至今PET fiber still is combined formed fiber in important product types 之一. 50 year 代开始 PET film production. to 1966 year, Teijin company through glass fiber and nucleating agent use methods, make PET mechanical properties to improvement, heat resistant property improve/increase, can injection molding, formed development glass fiber reinforcement PET, year Netherlands AKZO company formed made flame retardant glass fiber reinforced PET(FR-PET), although processing properties issues has to solution, its creep resistance, fatigue resistance and resistant scratch and abrasion loss property and other, 却引起 人们 极 large 兴趣. if this type of output/production volume large, price low polymer/macromolecule material through certain types methods can separation its excellent property can, its application outlook/prospects will non 常广泛. therefore, for/regarding PET plastics engineering development 步伐一直 in 持续进行.

        PET engineering plastics development can separation is stage/phase, separation is 四代PET, 各代PET development features and its table/sheet 厂家如 lower table/sheet 示:

         can 发现, for/regarding PET engineering plastics development main/primary 包括如 lower separation:

        ① improvement PET crystallization property can; this need reduce PET crystallization temperature degree, add fast PET crystallization speed rate, from make its tool has good processing properties and force property can;

        ②进一步 for PET进行 reinforcement, toughened, flame retardant modified, increase its notched impact strength, make its tool has more add comprehensive, comprehensive, excellent force property can, this through and different material blending, from through property can achieve. in lower inner, small will separation is is large detailed introduction PET crystallization, expand 链, reinforcement, toughened modified methods and process, large 家持续关注.

        2.PET engineering plastics product

         USA DuPont company made Rynite®PET thermoplastic polyester resin is types uniform dispersion glass fiber or glass fiber (GF) /矿 material composite/compounding reinforcement terephthalic acid ester, it in injection molding 时会迅 speed crystallization.

        Rynite®PET thermoplastic polyester resin is rigid degree and strong/high degree most good resin 之一, as is types engineering polymer, Rynite®PET thermoplastic polyester resin tool has excellent comprehensive property can, high strength, high rigidity, excellent dimensional stability, chemical resistant product can force, heat stabilized property and very good electrical appliances property can.

        Rynite®PET thermoplastic polyester resin by formed used for many field/area, housing/shell 体, cover/cap sheet/plate, 支架, 自行车部 parts, parts, electronics device housing/shell 体, electrical machine parts, base/seat, box/case, 开关, ring framework, 烤箱手柄, control sheet/plate, small products outer housing/shell, automotive inner trim parts, 行李架 and other.

        联 combined company development Petra series engineering plastics, remove tool has PET generally property can outer, also tool has excellent high temperature resistance property can and excellent low temperature impact strong/high degree, 经 起200℃ above electrical color 处理, another raw materials products tool has very good surface property can. can used for production automotive inner, outer trim parts, 如车门, 门支撑架, engine cover/cap and other.

         USA GE company through PET and PBT, PC and other blending modified, development Valox800PET engineering plastics. it not only tool has good surface gloss and molding property, can in 220℃ high temperature lower use, impact strong/high degree high, can used for production 轿车车身.

         USA Eastman company development fast speed crystallization, high heat resistant property PET engineering plastics, this type of modified PET products low temperature tough property good, in relatively high temperature degree (230-240℃) lower use melt, deformation, suitable for automotive inner, outer trim parts production.

         Kaneka chemical 株式会社研 made 出 既 maintain force property can, heat resistant property also tool has anti-static property and flame retardant property PET engineering plastics, main/primary used for automotive, electrical appliances, electronics machine parts.

         and outer company versus ratio, inner PET engineering plastics development slow, product types mono 一. formed light chemical industry research 院, Shanghai plastics research, 金山石化, chemical industry research 院, Kingfa corporation has company and other 科研院 and production mono in field/area 进行 科学 research and product development as, currently product quality and production 规模同 market demand also has versus 当距离, has make type product need from outer Imported to improvement.

        3.PET engineering plastics application and market

        PET engineering plastics widely used in electronics electrical appliances, automotive, machine 械, day use product and other field/area, its consumption use ratio/proportion is: electronics electrical appliances 26%, automotive 22%, machine 械19%, use tool 10%, product 10%, its it 13%. specific application 示例如 lower.

         electronics electrical appliances

         can used as micro electrical machine electrical appliances, small type electrical machine frame 架, large type frame 架, separation device, electrical 熨斗开关 and sleeve/set 罩, or electrical plant/unit parts and outer housing/shell, electrical appliances parts and outer housing/shell, device outer sleeve/set, electrical machine parts, lighting base/seat, electrical engineering use and base/seat parts, 马达端部罩 and other.

         automotive industrial

         can used for machine use true housing/shell 体, system force 垫, material system inner machine material 油 滤 device, electronics system outer housing/shell, force system machine cover/cap and 闸, 风扇罩, gas flow device outer housing/shell, 感应线圈元 parts, 底架操 as gears and small gears outer housing/shell, and table/sheet sheet/plate, 风挡刮 water device outer housing/shell and 拖架, gas control 部位空调 device combined device, material liquid 面传感 device, 门 手 and other.

         USA is PET engineering plastics production and use amount most more 国家, in upper application its inner PET engineering plastics output/production volume 50% above, 2015 year already to 100 10,000 tons (包括 alloy), however in use plastics 方面, PET engineering plastics application amount very small.

         in recent years, automotive light amount fast speed development, type engineering plastics in automotive industry to application, currently, inner engineering plastics demand amount already to 250 10,000 tons, its in PBT and PET 总消费 amount can to 20 10,000 tons, engineering plastics industry positive in 步人产需两旺 佳境.

         currently, full engineering plastics production enterprise has 100 more 家, production can force and 规模均 relatively small, large separation enterprise production engineering plastics modified resin, from 事基础 resin production enterprise ratio/proportion less. methods main/primary is utilizing plastics processing modified technology will general purpose plastics engineering or engineering plastics alloy 化.

        PET engineering plastics property can excellent 于PBT, raw materials price low 于PBT, more PBT in high temperature and warpage 方面 空缺. its applications 广泛, inner market demand amount in 10 10,000 tons left right. year 以10% speed degree growth, profit relatively large. due to product belongs to more product types, small amount type project, development technology difficult degree relatively large, inner currently although has 十几家 enterprise in research development product. true positive can development very less. production capacity large, 远远不 can meet/satisfy market demand, product main/primary 依赖国 outer Imported.

         from price 方面考虑, DuPont company Rynite series PET engineering plastics in currently inner market in has most large. its price is: grade Rymte530(30% glass fiber reinforcement) large is 2-22.5 10,000 yuan /吨; flame retardant grade RyniteFR530(30% glass fiber reinforcement) large is 3-4 10,000 yuan /吨. 而普通PET price is 1.1-1.3 10,000 yuan /吨. can 见, modified rear 普通PET price to relatively large degree improve/increase, can belt/tape can 观 经济效益.

        总之, its price upper advantages, PET engineering to 越 越 more heavy 视, has 逐步取代传统 resin (如ABS, PBT, PC and other) trend. for PET crystallization, toughened, flame retardant modified will still is hot 点, versus more more R&D force 投入, inner made property can more add excellent PET材 material, PET in inner has more add application.

         reinforcement) large is 2-22.5 10,000 yuan /吨; flame retardant grade RyniteFR530(30% glass fiber reinforcement) large is 3-4 10,000 yuan /吨. 而普通PET price is 1.1-1.3 10,000 yuan /吨. can 见, modified rear 普通PET price to relatively large degree improve/increase, can belt/tape can 观 经济效益.

        总之, its price upper advantages, PET engineering to 越 越 more heavy 视, has 逐步取代传统 resin (如ABS, PBT, PC and other) trend. for PET crystallization, toughened, flame retardant modified will still is hot 点, versus more more R&D force 投入, inner made property can more add excellent PET材 material, PET in inner has more add application.