Shanghai Daoqin Plastics Co., Ltd.

烯丙 ester type resin
烯丙 ester type is 以烯丙基 is ester type. 以一元 acid or binary acid is 基础 烯丙 ester can used as low viscous property mono or thermoplastic property poly 体. it 们常常 used as saturated and resin agent, use in reinforcement hot solid property material material and high property can transparent material processing molding in.
resin in high temperature high wet conditions lower still maintain has electrical property can, products tool has dimensional stability, chemical resistance, machine strong/high degree good and resistant thermal properties good and other advantages.
添 add flame retardant ester type resin plastics can in upper to, product types already by USA 保险商实验室认 can.
certain resin, use its very thin sheet/slice testing, tool has resistant grade UL 94 V?0 can degree grade, has resistant strong/high electrical 弧引燃 property and resistant electrical 弧径迹 property.
chemical and property 质
商业 upper application most 广泛 烯丙 ester type is 邻苯二 acid 二烯丙 ester and 间苯二 acid 二烯丙 ester mono and poly material, it very easy formed hot solid property plastics and 玻璃布 and 纸张 预浸 material.
二甘 alcohol di （ carbon acid ester ）, due to it tool has excellent transparent property, applications 越 越广泛. due to light 便, dimensions stability, wear resistant loss, easy upper color, it is made as plastics sheet/slice main/primary material. other application also 包括仪 table/sheet cover/cap, versus machine light sheet/slice, and fast speed growth 玻璃业 各 field/area.
近, also 出现 一 types modified di 酚A di （ carbon acid ester ）, it is transparent polymer, has very high light 指数（1．56）, ratio alcohol di （ carbon acid ester ） 折 light also high. another, also has types modified type used for design in, can 改变透镜 design.
another has product value mono is acid 二烯丙 ester and acid 二烯丙 ester. this is type high reaction can force can mono 体, has types can polymerization di 键.
methacrylic acid ester has di can features, can use crosslinked agent and mono in 间体. acid 二烯丙 ester can used as saturated and polyester resin crosslinked agent.
典 type catalytic system is oxidation material, 如 苯甲 acid ester, acid oxidation material or 二枯基 oxidation material, it has heat stabilized property, sustainable crosslinked formed. most product 首推二甘 alcohol di （ carbon acid ester ） and oxidation carbon acid 二异丙 ester, is it not only color very shallow, but also tool has high degree transparent property. agent use amount generally is 每100份 resin 2至3份.
separation grade
模塑 grade main/primary is fiber filling type, filling fiber 包括矿 material fiber, glass fiber, combined formed fiber. this category of product in high temperature high wet conditions lower has excellent electrical property can, low loss consumption 因数. very high surface electrical retardant and electrical retardant, very high resistant electrical property and resistant electrical 弧径迹 property. 邻苯二 acid 二烯丙 ester insulation strong/high degree value in 374°F时 still relatively good, 而间苯二 acid 二烯丙 ester can ultra- 400°F时 still relatively good.
application
large more 数邻苯二 acid 二烯丙 ester combined material used for electrical or electronics device key/critical 部位, ensure ring conditions lower has high degree can property can.
一 very important application areas is 通讯, machine, system in application electrical plant/unit, other application insulation 体, electrical device, electrical sheet/plate, 开关, electrical parts and other 方面, this polymerization material and electronics technology, 例如汽 versus solid technology and other has high degree property.
reinforcement plastics. ester type resin 预浸渍 in 玻璃布 or coarse upper, can made as tube/pipe, tube/pipe, 天线罩, box/case, machine and elastic parts and other.
polyester use ester type mono 体. 一 烯丙 ester type mono 体广泛 used as molding polyester or sheet/slice bonding agent crosslinked agent, and combined 预浸坯 material or wet material crosslinked agent, 也广泛 used for pure material, material and mixed plastics in, and 玻璃布 and decoration combined material processing molding in. due to temperature degree conditions lower vapor pressure low, 302°F时 is 2．4mmHg, therefore, in manufacturing formed product 时, especially is manufacturing large parts formed product 时, commonly used 邻苯二 acid 二烯丙 ester or other low property ester mono 体, relatively less use styrene.
due to it low property, 故烯丙 ester polyester relatively styrene polyester can in more high temperature degree lower molding, 因而模塑 cycle relatively fast.

hot solid property polyester
不 saturated and polyester applications 极广, it tool has rigid property, elastic property, flexible, resistant 腐蚀, weather resistant or resistant 燃胜. can add filler, can add filler, can reinforcement or is add material. can in normal temperature or high temperature lower processing. therefore saturated and polyester already widely used in 船艇, 淋浴间, device 材, automotive external made parts, electrical parts, device equipment, large 理石, 钮扣, corrosion resistant and parts, sheet/plate and sheet/plate. automotive material, 矿柱, furniture parts, 保龄球, hot molding has machine sheet/plate reinforcement sheet/plate, polymer mixed and coating material.
chemical and property can
商 product saturated and polyester resin is solvent understanding crosslinked mono in saturated and polyester formed, add retardant poly agent anti resin in use front crosslinked reaction. this selection will resin property can.
不 saturated and polyester is saturated and binary acid （ generally is acid 配） and binary alcohol shrink combined material. through add saturated and binary acid 如苯二甲 acid 酐, 间苯二 acid or already acid adjustment resin saturated and degree. binary alcohol generally is alcohol, ethylene glycol, alcohol. 二丙二 alcohol or new formed alcohol or is upper binary alcohol mixed combined material.
most commonly used crosslinked mono is styrene, has use ethylene 基甲苯, methacrylic acid ester, α-甲基 styrene and 邻苯二甲 acid 二烯丙 ester. most commonly used retardant poly agent is hydrogen 醌, for 苯醌, 叔丁基邻苯二酚.
添 add chlorine acid 酐, bromine 苯二甲 acid and bromine new alcohol can make resin tool has flame retardant property. use 间苯二 acid, new alcohol, 三甲基戊二 alcohol and hydrogen di A can make resin tool has chemical resistant product property can. use new alcohol, methacrylic acid ester and outer absorption agent 如二苯甲 ketone type and 苯并三唑 type combined material, can make resin tool has weather resistance.
in processing in is utilizing 自由基 add formed reaction make resin polymerization. 自由基 自 has machine oxidation material （ catalytic agent ）, high temperature lower make oxidation material hot separation understanding generate 自由基. oxidation ester type and oxidation acid is high temperature lower use has machine oxidation material.
如 processing in normal temperature lower use resin, resin production need add promote agent, promote agent can make has machine oxidation material chemical reaction formed 自由基. use oxidation ketone （MEKP） as catalytic agent 时, use acid as promote agent; use oxidation material acid as catalytic agent, use 二乙基苯 amine or 二甲基苯 amine as promote agent.
processing and application
compression molding molding is polyester has processing methods 之一. this methods comparison fast speed, can 自动化, generate waste material less. sheet/slice molding material （SMC） is resin. glass fiber, increase agent, demolding agent, material and catalytic agent 于一体, from can make glass fiber loss bad drop most low degree, add types thermoplastic property low shrinkage additives can improvement appearance surface. development formed 功 一 types can 30秒 solid has A grade light degree SMC system, can use polyester made as automotive external made parts, 如发动 machine cover/cap and 行李厢 cover/cap. SMC also can made automotive table/sheet sheet/plate, front outer and rear 车轮罩 cover/cap. its it product grade SMC can processing 浴盆, 洗衣桶, waste material and electrical parts electrical 开关, filament base/seat and lamp covers.
预 mixed material and made overall plastics （BMC） is in. type sheet/slice mixed combined machine in made 取 像面团似 材 material. can use pressure processing formed 洗衣桶, 盘子, 手提箱, equipment outer housing/shell and electrical parts.
injection molding is polyester most has processing methods, and SMC compression molding molding versus ratio can more add 自动化, products property can more add 均一, solid time short, processing use low. TMCQ（ thick plastics ） injection molding not only can made electrical parts, also can production automotive 车身部 parts. BMC in ∑ type sheet/slice mixed combined loss glass fiber, 而TMC can will this type of loss drop most small degree.
手工铺敷 or spray coating function made as large type made parts, 如船艇. use 以进行 short production, use 昂贵 金工 mold. combined use resin add promote agent and tool has property.
application agent （ gas method or has machine 白土） can make processing will resin coating to mold surface, has in front 发生流淌 危险. low styrene amount combined use resin can make processing combined has 关规定. low combined resin for glass fiber has very good cover/cap force. use method and spray coating process is made 船艇, device 械, active 动房, 房屋组 parts, 卡车驾驶室, 运动场设施. another made 淋浴室 层 combined resin need filling water combined oxidation aluminum （ATH） or 石膏, make tool has flame retardant property combined construction specification, increase cost.
铺敷 method or spray coating method as using/adopting coating, coating is has material polyester coating material, coating mold surface most rear and combined parts formed is 一体, it 起 保护 glass fiber function, generate property outer surface. as 凝胶层 use resin is 间苯二甲 acid resin, its in generally has new formed alcohol, can make products tool has resistant water property and weather resistance.
commonly used true molding has machine sheet/slice mold and 凝胶层. has machine sheet/slice formed is glass fiber reinforcement polyester composite/compounding material outer surface, high grade 浴盆就 is this made as.
resin 传递模塑（RTM）介乎铺敷 method and compression molding molding between processing methods, RTM method ratio method good, can control thick degree has light slip inner surface and outer surface. RTM method mold use ratio compression molding molding method less more.
含 has promote agent resin and catalytic agent 一起注入静态 mixed combined device, most rear 进入衬 has glass fiber mold inner, gas from mold gas 孔排出.
resin viscosity need low, use 泵输送. time 应足够 long ensure mold full 充满, requirements as speed degree fast, ensure combined production efficiency. using/adopting RTM method processing products has small 船, electrical appliances outer housing/shell, automotive external made parts and 椅子. 豪华浴室 inner use large resin, 应充填 excellent filler, from can hot ring experiment/testing. long filament molding method can used for manufacturing chemical product and large pipeline. method made sheet/plate process use production sheet/plate and sheet/plate, used as 房间隔 sheet/plate, 棚顶, and 天窗. molding method can made as type 材. made as automotive sheet/plate, 旗杆, chemical resistant product 腐蚀 工字梁, long 凳, use 弓.
 

general purpose grade polystyrene (PS)
general purpose grade polystyrene (PS) plastics raw materials is styrene plastics basic formed 员, it is types 由 2 000?3000 styrene mono formed polymer/macromolecule amount type polymer. general purpose grade polystyrene (PS) by is transparent PS－－ this 名称仅 table/sheet resin transparent degree, is crystallization degree.
property can advantages
transparent PS formed 功归功于 as is types material it tool has transparent features. transparent PS molding processing non simple easy, need add 修整即 can to most product. it is light general purpose property resin, thermal properties and electrical property can excellent. it is 无定形 polymer, therefore tool has transparent property and easy processing property, tool has many excellent its it thermoplastic property plastics property can. due to has crystallization melting point, PS in processing in need and belt/tape can amount （即无 crystallization hot ） very less, from 玻璃态 to viscous property 流体 转化 is 逐步发生. in 玻璃化转变 temperature degree （Tg） above 时, PS is tool has high melt strong/high degree viscous property 流体, very easy use and injection molding methods processing, has or 几乎没 has degradation.
polystyrene (PS) 无定形 property also make it molding shrinkage （ its value generally is 0．004?0．007in／in） low more transparent thermoplastic property plastics polyethylene (PE) （PE） and polypropylene (PP) （PP）. due to tool has this features, polystyrene (PS) or is has thermoplastic property plastics in most easy processing, tool has high molding speed rate and low waste product rate.
product grade
industrial general purpose polystyrene (PS) product generally separation 3 grade: easy flow product grade, in and other flow property product grade and high heat resistant product grade. selection types product grade main/primary 取决于 use processing methods and product most applications. in has main/primary product polystyrene (PS) production enterprise, above types product grade has types product.
easy flow product grade is molecular weight most low PS, usually is reduce melt viscosity, improve/increase melt 指数, need add 入3～4％ filling material 油, however resin viscosity reduce also heat deflection temperature (HDT) and property decline. easy flow product grade PS large separation using/adopting injection molding methods processing, especially is thin parts. in this product grade in 也包括 viscosity non low resin （ melt 指数＞20g/10 min, 392°F）.
in and other flow property product grade its melt viscosity and physical properties its it types product grade between, molecular weight in and other, material filling amount is 2％.
high heat resistant grade molecular weight most large, additives amount most low. add material or its it increase flow property additives, generally demolding agent or agent, hard acid zinc or hard acid. 一方面 resin tool has relatively low melt 指数, 另一方面 its heat deflection temperature (HDT) and easy fracture property therefore reduce.
特殊 product grade it tool has certain property can, price ratio product grade general purpose type PS high. this product grade 包括: improvement molding cycle time resin, ultra- low mono content can 接触食 material resin, applications ultra- low molecular weight resin and resistant more high temperature degree resin and other.
application
transparent PS very 适于做 various applications products, especially is for transparent property has requirements products. table/sheet property has: packaging products （ container, cover/cap, bottle type ）, one-time property use product
toys, 杯, tool, magnetic belt/tape 轴, anti 风窗, electrical appliances and many foaming products??鸡蛋箱. type and packaging 盘, bottle label and foaming PS缓冲材 material.
easy flow product grade PS application one-time property use product and tool, toys, and packaging and other. also can used for manufacturing 共挤塑 packaging use product.
in and other flow property product grade PS main applications 包括: injection molding 杯, medical grade products, toys and packaging 箱; blow molding bottle 子; and or 共挤塑 food packaging use product.
high heat resistant product grade PS generally applications is: packaging food foam material; hot molding sheet/slice used for lighting, construction and decoration product; film used for tensile toward food packaging bag, injection molding made CD box/case and blow molding production packaging container.
recycling
from industrial waste material in recycling polystyrene (PS) although already has more year, for/regarding polystyrene (PS) made food and foam plastics packaging use product rear recycling already formed is 关注点.
recycling polystyrene (PS) has polystyrene (PS) recycling company, add large polystyrene (PS) recycling 协会. foam plastics packaging recycling 者协会, plastics made hydrophobic filler production 者资助 project and many 学校, 医院, company recycling and other.
 

PP homopolymer
polypropylene (PP) （PP） as is thermoplastic plastics polymer 于1957 year 开始商 product production, is has 规立构 polymer in 第一. its history more in, it is growth most fast main/primary thermoplastic property plastics, 1991 year it world output/production volume to 240 100 million 磅. it in thermoplastic property plastics field/area inner has separation application, especially is in fiber and long filament, film pressure, injection molding processing and other 方面.
chemical and property 质
PP is metal has machine has 规立构 catalytic agent （Ziegler－Natta type ）, make propylene mono in control temperature degree and pressure conditions lower combined formed. use catalytic agent and polymerization process different, polymer separation structure has types different type type chemical structure, amount 也不一样. this types structure is and other polymer, polymer and random polymer. in and other polypropylene (PP) （ most Common product 形式） in, 甲基原子团都处 in polymer skeleton/framework 同一侧, this structure very easy formed crystallization 态. and other 规形式 crystallization property it good resistant solvent agent and resistant thermal properties. in front year use catalytic agent technology make non and other 规异构体 生 formed to most less degree, remove for value random separation separation necessary property, production steps.
production polypropylene (PP) process main/primary has types: types is gas versus method; types is liquid propylene method. in addition, also has 一 老式淤浆 process plant/unit in 运行, it using/adopting types liquid saturated and as is reaction 介质. type and other polypropylene (PP) homopolymer property can table/sheet 1.
comparison 而言, high density and low density polyethylene (PE) has relatively high density, versus low melting point and relatively low flexural modulus rigid degree. this property can 差异导致 most applications different. rigid degree and easy toward property make polypropylene (PP) homopolymer combined made as various fiber and used for belt/tape, it relatively high heat resistant property make it can used for made as hard high pressure container and device tool and automotive 模塑部 parts.
effect/influence polypropylene (PP) homopolymer processing properties and physical properties main/primary factors 包括: molecular weight （通 commonly used speed table/sheet 示）; molecular weight distribution （简称MWO）; has 规立构 property and additives. polypropylene (PP) molecular weight scope/range from 约200 000 to 600 000. molecular weight distribution commonly used polymer heavy molecular weight （Mww） and molecular weight （Mnn） ratio value table/sheet 示, Mww／Mnn. also is more dispersion property 指数.
一 polymer molecular weight distribution for it processing properties and most use property can has light heavy effect/influence. this is is melt polypropylene (PP) for 剪切敏感, 即当施 add pressure rise high 时, its table/sheet viscosity reduce. molecular weight distribution scope/range wide polypropylene (PP) ratio distribution narrow more for 剪切敏感, tool has wide scope/range molecular weight distribution material in injection molding process in more easy processing. certain applications, especially is fiber, requirements narrow scope/range molecular weight distribution. molecular weight distribution and catalytic agent system and polymerization reaction process has 关系.
commonly used oxidation material in reaction device rear 面 挤 pressure process chemical understanding, make molecular weight distribution scope/range narrow. this process is control 流变学（CR） process.
and polyethylene (PE) versus comparison, and other polypropylene (PP) more easy light and hot oxidation degradation. in usually processing and most use conditions lower, polypropylene (PP) need random function, molecular weight reduce and speed rise high.
has product grade polypropylene (PP) has stabilizer, in processing 时保护材 material, provide 令人满意 most use property can. for/regarding especially applications, remove add antioxidant and outer made agent outer, also must add its it additives. 例如: in film formulation in add lubricant and anti viscous agent, decrease/reduce friction coefficient anti film viscous 连. in packaging materials in add anti-static remove electrical 荷. is high transparency degree or shrink short type cycle, use nucleating agent.
homopolymer resin usually speed and most applications classification. speed 取决于平均 molecular weight and molecular weight distribution 两者.
certain applications requirements speed high 达400 separation 克／ separation 钟, 而普通商 product homopolymer speed in 0．5?50 separation 克／ separation scope/range inner. speed usually is processing features most main/primary factors.
processing and application
polypropylene (PP) good flow property can and wide scope/range speed, and its it polymer features versus combined, make it tool has excellent processing properties. relatively low speed can meet/satisfy pressure belt/tape, belt/tape long filament and Monofilament and other processing requirements, also can make formed product has resistant strong/high degree and low property, meanwhile maintain 足够 横 toward property, make filament machine toward plant/unit upper and powder 尘飞扬 情况达 to most low degree. is it has low toward strong/high degree and fracture toward （原纤化）, toward degree more high film to fiber product, 如: coarse degree textile product, fine and 绳子, usually requirements speed in 7～20 scope/range inner. has foaming agent decoration belt/tape strip/profile product is speed 接近于10 polypropylene (PP) pressure formed, this can make melt strong/high degree and toward can force to 适当 均衡. this type of polymer in and other degree toward, can generate light slip similar 缎于一样 surface 效果, product has 足够 横 toward strong/high degree can fracture. non and more filament product pressure need types low viscosity, flow material, therefore, speed high polypropylene (PP) used for this applications.
浇铸PP film a large amount of used for 绘图艺术 product 方面. another, film can di orientation and hot 变定, make tool has good mechanical properties and thermal properties, used for various property can combined material and packaging materials 方面. use tube/pipe water cold process can PP processing formed extrusion made film and mono film.
hot molding use sheet/slice requirements use low speed formulation material, make tool has melt strong/high degree. use PP挤塑 type 材时, relatively low speed processing properties is need good. type pressure usually relatively small 截面以便 can use water cold ensure product tool has tough degree. PP also can formed tube/pipe product, material tube/pipe and use water tube/pipe. PP in coating 方面也 has applications.
in use amount 方面仅次于挤塑 injection molding processing very polypropylene (PP) features. PP良 good flow property can and strong/high tough machine features, by utilizing production multiple different type type tool has inner in strong/high tough mechanical properties product. good processing properties and good resistant force fracture property can generate excellent 良 模塑 molding 密封罩. generally 而言, low speed formulation material used for production thick product and that requirements tough property product. high speed material used for production thin parts and requirements fast speed processing product.
market
PP homopolymer can use various processing process, production scope/range very wide product. products is consumption PP most large market, textile fiber and Monofilament also is its in most large separation. long 期以, PP一直 is manufacturing fiber main/primary raw materials, this is is it color can force, wear resistant loss, chemical resistant product property can and has 利 经济 conditions. toward and non toward film 占据挤塑 products market large 份额, and is maintain growth field/area.
接 lower, injection molding product is PP homopolymer large market, container, device, automotive application, use product, toys and its it many product and industrial most applications. many blow molding container selection polypropylene (PP), is is it good property can and 足够 清沏 degree.
鉴于 for future plastics products new demand, PP homopolymer will maintain growth. good 经济方面 conditions, good mechanical properties and weight light, color can force strong/high and easy processing and other features, will make PP继续 formed is 本世纪众 more application areas material selection material.
 

impact resistant type PP copolymer
PP has very more has use property can, also solid has tough property, especially is in low its 玻璃化 temperature degree conditions lower. however, through add impact modifier, can improve/increase its impact resistant property can. 传统改良 property is elastomer, usually is 乙丙橡胶. 普遍认 is, 遍布于 semi crystallization polypropylene (PP) inner pellets, can in interface upper formed many force in 点, 并5; local 形变, anti fracture expand 展.
impact resistant modifier is in blending add 进, most 近, elastomer separation combined formed already tool has important property. but also, positive in use types new series impact modifier 代替乙丙橡胶, 即Flexomer polyolefin, Exact塑 elastic and Insite polymer. this is polymer, it 们填补 极 low density polyethylene (PE) and 传统乙丙 elastomer between 空白.