Shanghai Daoqin Plastics Co., Ltd.

impact resistant polystyrene (PS)
polystyrene (PS) production 始于1930 year, is most industrial production thermoplastic property polymer 之一. is meet/satisfy tough property material requirements, 1950 year development modified polystyrene (PS) （即 high impact resistance polystyrene (PS), HIPS）. through will add polystyrene (PS) 基材, can production tool has different property can various product grade high impact polystyrene (PS). in recent years, already development various product grade HIPS, already has flame retardant grade, resistant force cracking grade, high gloss degree grade, high impact strong/high degree grade, glass fiber reinforced grade and low volatile content grade and other, it in many application areas in already can and engineering resin versus competition.
impact resistant polystyrene (PS) features is easy processing, dimensional stability excellent, impact strong/high degree high and has relatively high rigidity. for/regarding HIPS is in heat resistant property. oxygen property, outer light stabilization property and oil resistant product property has 一定限 degree. chemical and property can
impact resistant polystyrene (PS) is through will poly 二烯橡胶 in polymerization reaction front solvent styrene mono made. although can use polymerization method made HIPS, currently industrial upper production HIPS using/adopting main/primary is polymerization method. in polymerization process in, styrene mono 体／橡胶／ additives mixed combined through series reaction device, rate 达70～90％.
polymerization reaction in add hot or add 入引发 agent make reaction formed, rear in true in add hot from resin in remove property mono 体, again pelletizing 出售. impact resistant polystyrene (PS) according to its versus for impact resistant strong/high degree separation is grade: in and other impact resistant product grade 缺口悬臂梁 impact resistant strong/high degree generally is 0．6?1．5 ft．lb／in; high impact resistance product grade impact resistant degree is 1．5?2．5ft.lb／in; high impact resistance grade impact resistant strong/high degree is ＞2．5 ft．lb／in. has HIPS product grade its impact resistant strong/high degree value high 达6．0 ft．lb／in, this type of resin usually used for blending resin in improve/increase low strong/high degree product grade resin impact resistant strong/high 蔗.
standards HIPS its it important property can lower: flexural strength 13．8～55．1MPa; tensile strength 13．8?41．4MPa; fracture elongation is 15?75％; density 1．035?1．04 g／ml; soft 化点185?220°F.
唯一 industrial 化 掺 use HIPS alloy is its and polyphenylene oxide (PPO) blending material. this type of blending material heat resistant property and tough property very 突出, product price ratio mono use HIPS product high many （参见“ alloy and blending material ”P15）.
polystyrene (PS) technology development make production can production and standards grade PS versus ratio tool has more property can product grade. polystyrene (PS) many property can is can 兼而 之, 如欲提 high impact resistance strong/high degree, 就不 不牺牲 gloss degree and other. currently 出现 一 new type resin, it tool has ABS gloss degree, meanwhile has very high tough property. has product grade in packaging food 时, can resistant various and used for cold machine can resistant chlorine fluorine 烃（CFC） foaming agent already development 出. flame retardant grade （ UL V－0 and UL 5－V）, impact resistant polystyrene (PS) already has production 并广泛 used for electrical machine housing/shell, use machine and electrical appliances products. this resin processing as ratio many flame retardant engineering resin more is easy, price more low.
processing
impact resistant PS can use many molding methods processing, injection molding, structure foam plastics molding, sheet/slice and film 挤塑, hot molding and blow molding and other. HIPS resin absorption water separation relatively slow, therefore generally lower drying. has material surface water separation more by absorption, from effect/influence most product appearance quality. in 160°F lower drying 2－3h就 can more water separation.
film, sheet/slice and type 材 挤塑 is HIPS use most more processing molding methods. impact resistant polystyrene (PS) processing scope/range very wide, therefore it formed is most easy hot molding resin 之一. generally use 普通 挤塑 equipment resin melt temperature degree is 400?500°F, resin melt scope/range is 1．5?4．0 g/10min. 也经常 using/adopting 旋转式, and pressure and true hot molding equipment. HIPS tool has excellent heat stabilized property and stability property, can use more amount recycling material, reduce product property can, in hot molding processing in recycling material use amount can high 达60％.
injection molding is 仅次于挤塑 use most more processing molding methods. resin injection molding generally is in long ratio is 16: 1?24: 1, pressure shrink ratio is 2．5／1?3．0／1 往复式 screw injection molding machine upper 进行. processing temperature degree 350?500°F, for/regarding flame retardant grade HIPS, its processing temperature degree must low 于470°F, anti additives generate degradation reaction. using/adopting injection molding methods processing resin its melt generally is 5．0～15．0 g／min. structure foam plastics molding methods is commonly used process, using/adopting chemical and material foaming agent.
尽 tube/pipe various HIPS resin is by versus 容, in as front need processing equipment, ensure good product quality, impact resistant PS and propylene 睛一丁Th烯一 styrene copolymer （ABS）, polyvinyl chloride (PVC) （PVC）, polypropylene (PP) （PP）, polyethylene (PE) （PE）, acrylic ester type resin and its it large more plastics versus 容, versus plastics mixed combined in processing equipment in generate separation 离脱层 phenomenon, physical properties large decline.
application
impact resistant PS tool has easy processing property, good property can and low price, therefore by use manufacturing many applications products and industrial product. main/primary application areas has packaging and one-time property use product, device table/sheet, use electrical appliances, toys and use product and construction industry.
HIPS most large applications is as is packaging and one-time property use product material, especially is food packaging materials and 饮食餐 tool. main applications day use packaging container. 自动售货 machine use and separation use 杯, various cover/cap, 盘. and other and other. one-time property use product 如盘碟 type, bottle cover/cap, safety 剃刀, and other is HIPS消 consumption amount large separation applications.
in recent years, specialty product formed is HIPS product development focus/key point. new development HIPS product in certain application areas can and engineering resin competition, has ratio use product quality need high more, device table/sheet and electrical appliances is HIPS product growth market 之一, small type table/sheet, inner and internal parts, electrical machine outer housing/shell, 空调部 parts, machine and 录音录 versus magnetic belt/tape box/case. grade HIPS resin in many field/area already 取代 价 high engineering plastics, types ultra- high impact resistance strong/high degree, high temperature resistance HIPS甚至 already can used as automotive inner parts.
商业信息
1992 year HIPS resin production amount is 27 ／ 100 million lb, is PS总 output/production volume semi. in USA, impact resistant PS has 7 main/primary production 商: Amoco, Chevron, Dow, Fina, Huntsman, BASF and Novacor. impact resistant polystyrene (PS) standards grade price is 40一50美 separation ／lb, in molding and 挤塑方面, and engineering plastics and product plastics （如 polyolefin resin, PVC and other ） versus ratio, its price ／ property can comparison good, this is it advantages.

polyphenylene sulfide (PPS)
polyphenylene sulfide (PPS) is types semi crystallization material, tool has good high temperature resistance, chemical resistant product, flow property, dimensional stability and electrical property can comprehensive property can. this type of material can filling reinforcement fiber and filler used for injection molding.
chemical and property can
polyphenylene sulfide (PPS) （PPS） from 1, 4二 chlorine and 硫化钠 in property solvent agent in made.
in process steps rear, this type of material in high temperature lower 进行空 gas 熟化, to separation high viscosity material, property combined thermoplastic plastics processing.
各 company already has method remove this 熟化期, make material tool has 普通线 property PPS structure. in market upper has types PPS: types features is tool has separation structure; types versus for more tool has property PPS structure. rear types product tool has more good machine strong/high degree and more high melt stability property.
due to PPS熔 melt viscosity low, can negative high 达70％ various filler and reinforcement agent. different filler use amount 改变材 material strong/high degree, electrical property can, surface property can and dimensional stability, and mixed combined material cost. hot temperature degree in 545°F left right PPS, can short inner 经受住500°F 考验. in 1．82MPa negative lower, PPS heat deflection temperature (HDT) generally high 于500T, its upper temperature degree also 取决于 受 应 force.
due to PPS chemical structure in has 70％ aromatic combined material and 30％ 硫, therefore tool has flame retardant property. material recycling utilizing 时, its flame retardant property can 不会受 to effect/influence. 维持PPS sample 持续燃烧 需 most low oxygen gas concentrated degree in 40％ above, positive 常情况 lower, large gas in has 约22％ oxygen gas, 不足以维持 PPS燃烧. use PPS材 material made formed parts can resistant 受腐蚀 property chemical ring 境: in low 于400°F时, already solvent agent can solvent understanding it.
however, PPS不 can long used for oxidation property acid in, hot acid. in addition, PPS不 absorption water separation, this and nylon, polyether acid amine and polyester different.
processing
PPS injection molding processing generally using/adopting 传统 螺旋杆式 injection molding machine, add hot temperature degree scope/range is 600一680°F. injection molding pressure generally in 55MPa to 83MPa between, specific value according to parts design and PPS mixed combined material 而定. PPS high flow rate, can filling long thin separation.
processing front, material in water drying in drying 3?4 small 时, drying temperature degree is 300°F. if necessary 话, 盛放于2英寸 deep 盘子里, use add hot dry 2?4 small 时, temperature degree is 300?350°F. 未彻底烘 dry PPS不会 effect/influence parts property, in processing process in 会引起麻烦. in injection molding machine inner, in mixed combined material filler upper water separation formed 蒸汽, make injection molding machine nozzle 流淌.
need make PPS tool has relatively high hot dimensional stability, must control mold temperature degree. mold temperature degree in 275?325T between, material can crystallization. low this scope/range, parts can can is, can can is crystallization 态. if parts is full crystallization 态, it in ratio mold temperature degree high temperature degree lower use, parts will crystallization.
部 parts rear shrinkage, this is 希望. make 一 部 parts used for high hot chemical industry process, high mold temperature very important, is high mold temperature lower processing 出 部 parts surface light slip, is “富 resin ”. for cold 模塑 部 parts 说, its in filler toward toward surface, easy chemical material 质 攻击. mold high force separation use 淬火钢, this is is mixed combined material inner filler content high, filler tool has abrasion loss property.
application
因 is PPS材 material has high heat deflection temperature (HDT) （HDT） and flame retardant property can, can long thin 截面, it need applications is manufacturing electrical parts and electrical parts. for/regarding electrical parts 说, generally resistant 500°F high temperature, that is what also need high heat deflection temperature (HDT) （HDT）呢? this 里, parts and printing electrical sheet/plate between processing methods is key/critical. new methods use, outer solid and versus solid 结, material need 经受 实际 temperature degree high 达450°F, PPS in this high temperature degree lower can maintain its rigid degree, make 插入 连接 parts 钉接触面不至于松开.
due to parts toward small type 化, this requirements parts material can flow relatively long 距离, filling more thin 截面. 一 连接 parts 间隔（连接 parts 钉接触面 between 间隔） generally in is 0．1英寸, positive in toward 0．05英寸 development. flow good material （如 PPS and liquid crystal polymer (LCP) ） will by 考虑取代传统 polyester. due to insulation plastics 不应该 has nano or electrical can force, therefore ．材 material in content （ metal content ） low very important. reduce PPS content already 取 进展.
automotive industrial is PPS new market. PPS used as automotive machine device and 卤素灯 base/seat ．但 also has used as main/primary parts. in machine positive in small, for machine property can requirements 却越 越 high. in the future year inner, automotive machine lower temperature degree will high 达340°F, to year in 期．会达 to 400°F above. 随 发动 machine temperature degree improve/increase, and machine 油, material （汽油 and alcohol ）, anti agent, liquid, liquid and other 接触, for used for machine lower plastics is separation important issues. PPS tool has resistant chemical and resistant high hot advantages ． positive in by used for material system, tube/pipe and sleeve/set.
already development can used as light surface, front and 雾灯反 light device specialized grade PPS. this grade material can resistant 卤素灯 high 于400°F temperature degree. but also toward hot property low, make in relatively wide temperature degree scope/range inner maintain poly 焦. PPS常 by used as insulation 体（见 upper table/sheet ）. however, 随 一 series from anti-static to conductive PPS grade development, many issues 也迎刃而 understanding. 例如, used as can property chemical can poly electrical 荷, can generate 火花, 引起爆炸. anti-static grade PPS ratio grade PPS tool has more low surface and volume resistivity, therefore, use this type of grade PPS做泵 outer housing/shell can 接 以 anti 止发生 this category of 事故.
conductive PPS can electrical rise high add hot uniform temperature degree, can used for electrical retardant add hot 方面, 如: machine material device preheating, automotive outer remove 霜, 泵体自 hot. PPS device tool market small type 开关. add hot device inner housing/shell, electrical machine rear 罩, electrical 刷架. use PPS is utilizing it high heat resistant property and good electrical property can. PPS chemical resistance is it used for industrial and machine market main/primary causes, this chemical 泵（ inner housing/shell and outer housing/shell ）, 阀门, pipeline parts, use parts and device filler.
商业信息
main/primary production has: Miles company （Tedur牌）; GE plastics company (Supec牌); 赫司特Celanese company （Fortron牌）; 菲利浦 company l（Ryton牌）.
styrene type thermoplastic property elastomer （ styrene type TPES）
thermoplastic property elastomer main/primary types type in, styrene type thermoplastic property elastomer （ or styrene copolymer ） is application most 广泛 一 types, is it can and many material mixed combined, filler, increase amount agent, modifier and its it resin and other.
this type of mixed combined can according to application requirements, control 改变材 material multiple property can viscous property, rigid property, soft temperature degree and inner poly adhesion strong/high degree. therefore styrene type TPES has is application scope. versus 反, styrene copolymer very less mono pure application.
chemical and property 质
positive has TPES一样, styrene type TPES in room temperature lower, it is in mono high poly material inner or formed material formed versus 互贯穿 基体 inner in soft hard 链段（ or versus ） is 特征.
例如, in styrene ／ butadiene ／ styrene TPES链 in, soft versus is 橡胶态 butadiene in 心链段, hard versus is crystallization styrene 两端链段. in normal temperature lower, hard versus can made soft elastic property material flow.
in relatively high temperature degree lower, this structure will formed is 流体并 in pressure conditions lower flow. cooling versus again one-time formed elastomer 基体.
styrene copolymer separation is type or is 支化. 迄今绝 large more styrene type TPE blending material is type separation is 基础, can is type 三嵌段 copolymer.
this styrene ／ butadiene ／ styrene copolymer; styrene ／异戊二烯／ styrene copolymer; styrene ／己烯-丁烯／ styrene copolymer and styrene ／ ethylene - propylene ／ styrene copolymer.
as is type type, styrene type TPES显示出 has and 硫化橡胶 versus ratio strong/high degree and elongation （见 table/sheet 回）. it its it features has: hardness 28?95 Shore A（ relatively more product grade suitable Shore A60 below/following ）; resistant strong/high degree 2．1-34 SMPa; elongation 250～1300％; use temperature degree 一110～220°F; density 0．9一1．1, also has relatively good electrical insulation property can （一 product grade already UL standards ）, for hydrolysis stability property, resistant acid alkali. 清洁无毒 product grade can used for USA food and material tube/pipe 理局规定 applications.
generally 说, styrene ／ ethylene - butadiene ／ styrene copolymer and styrene ／ ethylene ． propylene ／ styrene copolymer has relatively good resistant ring factors features hot, outer 线, oxygen and solvent agent and other.
但 it and styrene ／ butadiene copolymer versus ratio need more 贵. styrene type TPES also tool has short oil resistant, resistant surface active property agent and has machine solvent agent property can.
一 silicon oxygen modified styrene copolymer application day expand large 并引起 attention/notes, already it as is classification 考虑. this type of copolymer can commonly used low hardness 橡胶（ Shore A50 below/following ）, also can improvement processing, to more slip surface, for various small or complex products demolding property good. currently silicon oxygen modified product has Concept Polymer company C－Flex.
processing methods
styrene type TPES has 碎屑, powder material, 粒状三 types type 式, can in commonly used 挤塑, blow molding, injection molding and other equipment upper processing. due to it need 硫化, therefore in equipment upper investment is versus low.
styrene type TPE injection molding tool has cycle short advantages, and versus ratio, it production process/workflow more short, cost more low.
mold （不 need a large amount of mold cavity ） cost and processing versus ratio low more. processing 而言, styrene type TPES and its it thermoplastic property material 一样, its material can recycled.
styrene type TPE嵌段 copolymer and 共挤塑 product has: sheet/plate 材, film, pipe/tube, reinforcement soft tube/pipe, electrical and cable insulation and sleeve/set and other.
styrene type TPES and very more material can versus viscous, 包括PS, PE, PP, PC and EVA. is 此, styrene type TPES常 by used as sheet/slice 材 连结层. styrene ／ ethylene - butadiene ／ styrene copolymer can made as retardant packaging materials, this is is it transparent, can hot molding, can 蒸煮, can in micro in use.
styrene type TPES can used for is improve/increase many material friction coefficient transparent thin coating. injection molding and blow molding made styrene TPES部 parts application in automotive, table/sheet and electrical appliances industrial upper.
for this category of product 说, through styrene ／ ethylene - butadiene ／ styrene copolymer and polyolefin blending can improve/increase use temperature degree and resistant solvent agent property can.
application
styrene type TPES application separation is dry important type type:
鞋 type styrene TPES in made industrial in application relatively is 突出, main/primary is is made as 普通鞋 and 运动鞋 injection molding shoe sole and combined shoe sole （鞋跟 and shoe sole types simple combined structure ）.
this material provide 鞋 附 摩 scratch force, low temperature flexibility property, resistant fatigue and wear resistant loss property can.
导线 and cable styrene type TPES也广泛 used as and cable insulation and sleeve/set material. it also has very good elastic property and low temperature property, can and crosslinked PE, 硫化橡胶 and PVC媲美, in automotive electrical 路导线, equipment 导线, soft 绳索, increase pressure device cable and cable and other 方面也 has competition force.
styrene type TPES used for and cable also tool has its it important property can, has strong/high degree, wear resistance can, resistant pressure, impact resistant, anti 火, heat stabilized property, electrical property can and other. more 数导线 and cable structure combined UL standards, automotive engineering 师协会（SAE） and its it main/primary industrial standards.
automotive parts use weight light TPE部 parts automotive upper and metal parts, remove maintain versus property can outer, also can reduce manufacturing cost, improve/increase automotive material efficiency. for/regarding this application 说, most good material is styrene copolymer, is in automotive machine lower application relatively high use temperature degree, also need has low temperature property can, resistant oxygen property can.
一 特殊 applications product grade resistant strong/high degree to 24.1MPa, can made as gas and 空调导 tube/pipe. 衬垫, 密封圈 and other. need decoration separation can coating and hot stamping.
生 material application styrene type TPES made medical device excellent property can ultra- 橡胶 products, is it has 象橡胶硫化 残留 material. for this product 消毒杀菌 has methods can use ring oxygen 乙烷, 放射线, 蒸汽. poly silicon oxygen modified styrene copolymer already relatively more use as is made as medical devices material.
most new this material improvement tensile 残余形变 and transparent degree. and is for silicon 橡胶. PVC, TPU, TPO and its it application in medical devices industrial in styrene TPES product type has use substitute/replace product.
is material medical grade made styrene type TPE材 material, property can 广泛, has excellent 良 生 material versus property, can hardness scope/range, good elastic property, low tensile 残余形变 and pressure shrink 残余形变, and temperature degree stability property.
this material used as 泌尿植入 tube/pipe, medical grade tube/pipe. medical grade sheet/slice and film, tube/pipe, medical grade 密封圈, sheet/slice and film and other. another, this TPES can in food and material tube/pipe 理局（ FDA ）规定 application scope made as outer 科遮挡帘, medical grade film, 婴儿奶 bottle transparent 奶嘴, tube/pipe and other.
bonding agent, agent, coating material, filler styrene type TPES can made formed high strength elastic property and film, it already formed is types very important product types type, can used for made agent and coating material, most large advantages is can in various material upper.
it also can used as coating material, sealant, can coating and improve/increase 橡胶基 bonding agent and sealant property can.
it applications also 包括组装 use bonding agent, pressure tape, label, packaging bonding agent and construction bonding agent.
impact resistant modified make will very a small amount of styrene type TPES添 add to PS, PE, PC and PP resin in, can has improvement this material tough degree, and impact strong/high degree and property can.
材 material this type of modified also improvement di orientation PS elastic property, formed hot molding sheet/slice film transparent degree has large loss 失. styrene type TPES improvement HDPE and LDPE blow molding film impact resistant strong/high degree and resistant strong/high degree.
PP and styrene type TPE blending material injection molding product tool has versus high low temperature impact resistant strong/high degree. styrene type TPES添 add to certain resin recycling material in, can improvement this material property can.
沥青 use a small amount of styrene type TPE进行沥青 modified, from improvement low temperature property, long features and resistant fatigue property can. this type of modified material already used as 屋顶材 material, pipe/tube coating material, 池槽衬层, 密封层.
compatibilizer due to it and many resin has versus property, therefore in types or more multiple usually versus high poly material formed alloy process in, styrene type TPES has can as is compatibilizer use.
商业信息
currently, can provide styrene type TPES production and sales has: Kraton（Shell ChemicalCo．）, C-Flex（Concept Polymer Technologies）, Finaprene（Fina Oil＆ Chemical）, Eurprene（Enimont）, and Solprene（Housmex Inc．）
1991 year 初, different product grade styrene type TPES price scope/range is 1．05??4．30 美元／磅.

polystyrene (PS)
polystyrene (PS) （PS） is types thermoplastic property resin, due to its price low easy processing molding, therefore 以广泛 application. polystyrene (PS) has homopolymer （ transparent material ） or toughened grafting copolymer or and elastomer blending 体（ impact resistant polystyrene (PS) IPS）形式. polystyrene (PS) copolymer in physical properties and thermal properties upper ratio homopolymer has improve/increase. this type polystyrene (PS) has multiple product grade, standards IPS and standards transparent product grade, resistant ring force cracking product grade （ESCR）, resistant outer grade. flame retardant grade, wear resistant grade, made light made parts high property product grade, can foaming product grade, ultra- 初 grade and low volatile content product grade and other. polystyrene (PS) resin used for manufacturing day active in one-time property tool, automotive parts, packaging materials, toys, construction material, electrical appliances and use product and other.