Shanghai Daoqin Plastics Co., Ltd.

polypropylene (PP) (PP) is types property can excellent thermoplastic property combined formed resin, is large general purpose combined formed resin 之一. polypropylene (PP) tool has density small, 无毒, easy processing, impact resistant strong/high degree high, resistant property and electrical insulation property good and other advantages, widely used in electronics electrical appliances, automotive, building materials, medical, packaging and other field/area.

polypropylene (PP) production process main/primary has solvent liquid method, method, method, gas versus method and 本体- gas versus method combined process 5 large type. currently world upper comparison production process main/primary is gas versus method process and 本体- gas versus method combined process, this process technology using/adopting method, gas versus method or method and gas versus method combined process production homopolymer and random copolymer, again gas versus reaction device system (一 or 两) production impact resistant copolymer.

this process technology plant/unit large 规模(20 10,000 tons / year above) and as property, product more property and high property can requirements, to comparison application.

currently, world upper PP production process main/primary has Lyondell Basell company Spheripol process, Prime Polymer company Hypol II process, Borealis company Borstar process, Ineos company Innovene process, Dow company Unipol process, NTH company Novolen process, Lyondell Basell company Spherizone process, JPP company Horizone process and Sumitomo chemical company Sumitomo process, Lyondell Basell company Catalloy process and other.

lower 面我们就 看看 this polypropylene (PP) production process and technology features 吧!

1, Spheripol process

Spheripol process Lyondell Basell company, its process process/workflow lower 图 示.

Spheripol process is most formed 功, application most is polypropylene (PP) process 之一. Spheripol process using/adopting liquid versus 本体- gas versus combined process, polymerization and homopolymer combined reaction using/adopting liquid versus ring tube/pipe reaction device, more versus copolymer combined reaction using/adopting gas versus 流化床 reaction device. production can force and product type type, can separation is ring, ring, ring gas, ring gas types polymerization reaction 形式.

Basell company Spheripol二代 process using/adopting 第四代 catalytic agent system, polymerization and polymerization reaction device design pressure and other grade improve/increase, make new grade property can more good, grade product property can 以改进, more for 形态, and other degree and molecular weight control. Spheripol二代 process features:

① use high property can catalytic agent system, can production di polypropylene (PP) and high rigidity, high crystallization property, high impact resistance and other market full scope/range product;

②预 polymerization and polymerization reaction pressure and other grade improve/increase, can make ring tube/pipe reaction device in hydrogen gas content increase high, expand large MFR scope/range, increase product strong/high degree, improvement product property can;

③以 di ring tube/pipe reaction device type is 基础, can production wide molecular weight distribution “ di 峰” product, can production narrow molecular weight distribution product, utilizing ring tube/pipe reaction device and liquid versus polymerization, can make hot control more good, reaction uniform. if will development use metallocene catalytic agent, need for has plant/unit heavy large renovation;

④停留 time decrease/reduce, more good utilizing reaction 体积;

⑤改进 polymer high pressure and low pressure gas, 汽蒸, drying system and 事故排放 mono 元, improve/increase efficiency and as active property.

Spheripol process using/adopting catalytic agent is 第四代Z-N catalytic agent, main/primary grade has GF-2A, MCM1, MCM126, MCM127(二 ether type catalytic agent), catalytic agent is 球形, high active property and high selection property, can control random polypropylene (PP) formed, product has very high and other 规指数, active property in 25~55kgPP/gcat, use type catalytic agent can production has grade product.

Spheripol process production homopolymer reaction conditions is 70~80℃, 3.4~4.4MPa, production impact resistant copolymer reaction conditions is 70~80℃, 1.1~1.4MPa.

Spheripol process product scope/range very wide (MFR0.1~2000g/10min), can production full scope/range polypropylene (PP) product: polypropylene (PP) homopolymer, random copolymer and terpolymer, impact resistant copolymer and more versus impact resistant copolymer random copolymer ethylene content can 达4.5%, impact resistant copolymer ethylene content 25%~40%, versus can 达40%~60%.

2, Borstar

Borstar process is Boeralis(Borealis) will its ultra- 临界 polyethylene (PE) technology to polypropylene (PP) production generate ultra- 临界 polypropylene (PP) production technology. using/adopting ultra- 临界 propylene is solvent agent. process using/adopting Boeralis company BC1 series catalytic agent and mono in catalytic agent.

Borstar polypropylene (PP) process using/adopting 一台浆 liquid ring tube/pipe reaction device rear 面串联一台 gas versus method reaction device di reaction device system production homopolymer, production impact resistant copolymer rear also need add upper or gas versus reaction device, polypropylene (PP) process in propylene 临界点 below/following polymerization reaction, is anti light separation (如 hydrogen gas, ethylene) and inert property separation formed bubbles, polymerization temperature degree control in 70℃~80℃.

Borstar polypropylene (PP) process ring tube/pipe reaction device can in high temperature (85℃~95℃) or ultra- propylene ultra- 临界点 conditions lower as, polymerization temperature degree and pressure very high, can anti bubbles formed. its main features is:

① using/adopting more high active property MgCl2载体 catalytic agent;

② using/adopting ring tube/pipe reaction device and gas versus 流化床 reaction device combined process 路线, can active control product versus for separation quality distribution (MWD), and other 规指数 and copolymer mono content;

③ due to ring tube/pipe reaction device in ultra- 临界 conditions lower as, can add hydrogen gas concentrated degree 几乎没 has made, gas versus reaction device 也适宜 high hydrogen gas concentrated degree as;

④ can production molecular weight distribution very narrow mono product, can production molecular weight distribution wide di product;

⑤ due to polymerization temperature degree relatively high, production polymer has more high crystallization degree and and other 规指数, 二甲苯 can solvent material very low, is l%(quality separation 数);

⑥ due to reaction conditions in 临界点之 upper, has very less polymer solvent understanding propylene in, decrease/reduce random copolymer content high 时出现 viscous phenomenon, copolymer in copolymer mono distribution non uniform, random copolymer in ethylene content most high can to 10%(quality separation 数).

Borstar plant/unit can production homopolymer, random and impact resistant copolymer, polypropylene (PP) product melt flow is 0.1~1200g/10min, can production tool has 特定摩尔 quality di distribution product.

use gas versus reaction device, most high can production 25%橡胶 versus content impact resistant copolymer (ethylene content 15%); use gas versus reaction device, most high can production 50%橡胶 versus content impact resistant copolymer (ethylene content 30%). Borstar product suitable for 模塑, film, fiber and pipe/tube. product development focus/key point is high crystallization polypropylene (PP) (HCPP), low degree film, high MFR熔喷 fiber and high rigidity pipe/tube.

3, Hypol II process

Hypol process is PrimePolymer company (Japan Mitsui Chemicals and Idemitsu combined company) polypropylene (PP) process technology, using/adopting liquid versus 本体- gas versus combined process technology, use TK-II series high catalytic agent.

due to polymerization reaction device property, 1997 year company launch Hypol II process, use ring tube/pipe reaction device substitute/replace reaction device, according to material Hypol II process and Spheripol process main/primary difference in gas versus reaction device design, its it mono 元包括 catalytic agent and polymerization and Spheripol process basic same.

Hypol II process using/adopting 第五代 catalytic agent (RK- catalytic agent), catalytic agent active property is 第四代 catalytic agent active property 2~3倍, tool has high hydrogen 调敏感 property, can production more wide MFR scope/range product.

Hypol II process using/adopting 2 ring tube/pipe reaction device and belt/tape 搅拌刮 sheet/plate gas versus 流化床 reaction device production homopolymer and impact resistant copolymer, reaction device is belt/tape 搅拌刮 sheet/plate gas versus 流化床 reaction device. HypolII process ring tube/pipe reaction device reaction conditions is 62~75℃, 3.0~4.0MPa, production impact resistant copolymer reaction conditions is 70~80℃, 1.7~2.0MPa.

Hypol II process can production homopolymer, random copolymer, copolymer. product MFR scope/range is 0.3~80g/10min. homopolymer combined production transparent film, Monofilament, strip/profile belt/tape and fiber, copolymer can production use electrical appliances, automotive and industrial parts product and low temperature high impact resistance product.

4, Innovene process

Innovene process 即2001 year front BP-Amoco process, its process process/workflow lower 图 示.

该 process main features is using/adopting 独特 接近 active 塞流 卧式搅拌床 reaction device, belt/tape internal sheet/plate, belt/tape has design water 平搅拌 device, device sheet/slice and 搅拌轴 formed 45°角, can for 整 床层进行缓 slow 而规则 搅拌.

reaction upper has many gas versus and liquid versus material 点, catalytic agent, liquid propylene and gas from this material add 入. due to this type of reaction device design time distribution versus 当于3 理想 搅拌釜式 reaction device 串联, therefore grade very fast, material very less.

该 process using/adopting propylene methods hot. reaction device main features:

① pellets time distribution very narrow, can production rigid property and impact resistant property non good copolymer product;

② can catalytic agent short 路;

③ due to this type of reaction device design, process product time short, product 切换容 easy, product less.

该 process features is gas system: material material from reaction device to reaction device 时, gas system can 避免两 reaction device versus 窜流. especially is production copolymer 时, reaction device gas versus formed different, if 发生窜流 will heavy effect/influence product quality, therefore will reaction device is key/critical.

该 process can through catalytic agent 注入而 fast speed 平稳 停车, in to 特殊情况时, can through reaction device pressure in 3min inner 停车, in heavy new add pressure and catalytic agent rear again 次开车.

due to design, process in various process in can consumption and as pressure most low, disadvantages is product in ethylene content (or 橡胶组 separation ratio/proportion)不 high, can obtain ultra- high impact resistance grade product.

Innovene process using/adopting CD catalytic agent tool has very good control, high active property and high selection property, can control random polypropylene (PP) formed, product has very high and other 规指数.

该 catalytic agent features is need polymerization, active property 25~55kgPP/gcat, use catalytic agent can production has grade product. production homopolymer reaction conditions is 70~85℃, 2.0~2.3MPa, production impact resistant copolymer reaction conditions is 65~80℃, 2.0~2.3MPa.

Innovene process homopolymer product melt flow rate (MFR) scope/range very wide, can to 0.5~100g/10min, product tough property high its it gas versus polymerization process product; random copolymer product MFR is 2~35g/10min, its ethylene content is 7%~8%(quality separation 数); impact resistant copolymer product MFR is 1~35g/10min, ethylene content is 5%~17%(quality separation 数).

due to process catalytic agent time distribution relatively narrow, impact resistant copolymer versus distribution more add uniform, property can more add excellent especially is impact property and rigid property balanced property can more good.

5, Unipol process

Unipol process is 由UCC company and housing/shell company combined development, is will application in polyethylene (PE) production in 流化床 process to PP production in process, 2000 year Dow company acquisition UCC company, 现Unipol process 归Dow company has, its process process/workflow lower 图 示.

该 process reaction device is upper expand 径 圆柱形立式 pressure container. polymerization reaction hot is ring cold propylene gas 体 显 hot remove. Unipol process has many 独一无二 advantages, its in most large advantages is its mono production can force high. Unipol process significantly features:

① can combined ultra- cold 凝态操 as, 即 谓 ultra- cold gas versus 流化床 process (SCM) due to ultra- cold as can most has 效 移走 reaction hot, can make reaction device in 体积不 increase lower improve/increase very large production can force, through will reaction device inner liquid versus ratio/proportion improve/increase to 45%, can make has production can force improve/increase 200%;

② use 一台沸腾床主 reaction device can production homopolymer, random copolymer, can in relatively large as scope/range inner adjustment as conditions make product property can maintain 均一;

③该 process relatively short, for 材质没 has requirements, 占 面积 less, plant/unit production force very large, product cost low, property can good, tool has relatively strong/high competition force.

Unipol process using/adopting SHAC high catalytic agent, SHAC series catalytic agent is 由喷雾 drying methods made 备. 2003 year 9 month, Dow chemical company launch types new polypropylene (PP) catalytic agent SHAC330, catalytic agent need polymerization, active property 25~50kgPP/gcat, use catalytic agent can production has grade product.

第一 reaction device production homopolymer and random copolymer, production impact resistant copolymer 时, 串联第二 reaction device. production homopolymer reaction conditions is 65℃, 3.4MPa, production impact resistant copolymer reaction conditions is 65~70℃, 2.0~2.4MPa.

Unipol process industrial production homopolymer MFR is 0.5~100g/10min, random copolymer in ethylene copolymer mono content can 达5.5%; propylene and 1-丁烯 random copolymer already achieve industrial 化(商 product 名CEFOR), its in quality separation content can high 达14%; Unipol process production impact resistant copolymer in ethylene content can 达21%(橡胶 content 35%), already development 出橡胶 content high 达60% impact resistant polypropylene (PP) product.

6, Novolen process

Novolen process is 由BASF company development formed 功. 2000 year 9 month Novolen process by ABB company and Equistar company formed NovolenTechnologyHoldings(简称NTH) acquisition, its process process/workflow lower 图 示.

Novolen gas versus process using/adopting belt/tape di belt/tape 搅拌 立式 reaction device, reaction device make gas versus polymerization in gas solid versus between distribution comparison uniform, polymerization reaction hot is liquid propylene 汽化撤出.

Novolen process homopolymer and copolymer using/adopting gas versus polymerization, Novolen process 一 独特之处 is can use copolymer combined reaction device production homopolymer (and homopolymer reaction device 串联), make homopolymer output/production volume 提30%, random copolymer can using/adopting will reaction device methods production.

Novolen process using/adopting PTK-4 catalytic agent, catalytic agent using/adopting oxidation silicon 载体, need polymerization, active property 30kgPP/gcat above, can production has grade product. Novo1en process can production homopolymer, random copolymer, impact resistant copolymer, ultra- impact resistant copolymer and other in inner full product.

industrial polypropylene (PP) homopolymer grade MFR scope/range is 0.2~100g/10min, random copolymer product in ethylene content most high is 12%, production impact resistant copolymer in ethylene content can 达30%(橡胶 content 50%). production homopolymer reaction conditions is 80℃, 2.8~3.8MPa, production impact resistant copolymer reaction conditions is 60~70℃, 1.0~2.5MPa.

7, Spherizone process

Spherizone process is LyondellBasell company in Spheripol process upper development most new generation PP production technology, main features in using/adopting mono more ring reaction device ring tube/pipe reaction device, gas versus polymerization reaction, its process process/workflow lower 图 示.

more ring reaction device separation is upper rise and decline reaction 区, polymer pellets in reaction inner more ring. upper rise inner polymer pellets in ring gas function lower fast speed 流化, decline 段顶部旋风 separation device, in separation device inner gas solid separation 离.

in decline 段顶部设 has retardant 隔区, separation reaction gas and polymer pellets, pellets toward lower to decline 段底部 rear upper rise formed 一 循 ring. retardant use, can achieve upper rise and decline different reaction conditions, formed different reaction 区域.

Spherizone process using/adopting MC series Z-N catalytic agent, homopolymer, binary and ternary random copolymer product can in more ring reaction device inner production, impact resistant copolymer has gas versus reaction device. according to more ring reaction device and gas versus reaction device different as 模式.

remove homopolymer, random and impact resistant product outer, Spherizone process can 进行一 new type type product production, can to copolymer mono content di distribution; random and impact resistant combined product, combined random material optical features and impact resistant copolymer tough property; homopolymer and random combined product, combined random material and homopolymer comprehensive property can, make product processing property and force property can to balanced.

through more ring reaction device use, make resin micro property excellent more grade reaction device product, production film product 时鱼眼 and decrease/reduce.

Spherizone process production product features 突出, application scope 广; resin crystallization degree high, rigid property good; mono reaction device can production di product, versus for separation quality distribution wide, resin in maintain force property can meanwhile, tool has good processing property; random copolymer product copolymer mono content high, optical, force and hot force property can 佳; impact resistant copolymer optimization impact property can and rigid property balanced.

8, Horizone process

Horizone process is in Innovene gas versus method process technology upper development 起, has very more versus 似之处, especially is reaction device design basic same.

该 technology can patent already to company and Mitsubishi chemical company production polypropylene (PP) combined company ——— Japan polypropylene (PP) company. Horizone process reaction conditions and Innovene process versus 似. types process main/primary difference has 两 方面: is Horizone process reaction device upper lower 垂直布置, reaction device material 直接靠 heavy force gas plant/unit, rear use propylene gas pressure 送入第二 reaction device.

而Innovene process reaction device water 平布置, reaction device material 先送入 high 处 沉 drop device, separation polymer powder material again heavy force gas device, rear use propylene gas pressure 送入第二 reaction device.

两者 versus ratio, Horizone process design need more simple, can consumption more small; is Horizone gas versus method polypropylene (PP) process using/adopting 由TohoTitanium company made THC-C catalytic agent, catalytic agent tool has very high active property and selection property, type active property is 25~40kgPP/gcat, catalytic agent need 预处理, use 己烷配 formed liquid, add a small amount of propylene 进行预 poly, product in fine powder increase more, flow property reduce, copolymer reaction device as difficult. process using/adopting propylene 蒸发潜 hot cooling system.

Horizone gas versus method polypropylene (PP) process can production full scope/range product. homopolymer product MFR scope/range in 0.5~300g/10min, random copolymer ethylene content most high is 6%. impact resistant copolymer product MFR is 0.5~100g/10min, content high 达60%. process can production multiple polypropylene (PP) product, 如HMS-PP, MetalloceneRCP, MetalloceneR-TPO.

9, Sumitomo

Sumitomo production process Japan Sumitomo chemical company 于1981 year development formed 功, 1985 year achieve industrial production. Sumitomo gas versus method production PP process use 串连流化床 reaction device, separation 7 工段: polymerization, powder material separation 离, mono ring, powder material 储藏储存, pelletizing, material 储存, packaging. process use independent development high selection property catalytic agent DX-V, product crystallization degree high, can production very wide scope/range polypropylene (PP) product. company development melt flow index high specialty product grade copolymer product, in gas versus method in can production ternary polymer.