Shanghai Daoqin Plastics Co., Ltd.

brief introduction:

PC/ABS, polycarbonate (PC) and acrylonitrile-butadiene-styrene (ABS) copolymer and mixed combined material, is polycarbonate (PC) (Polycarbonate) and acrylonitrile-butadiene-styrene (ABS) copolymer (ABS) combined formed hot can property plastics, combined types material excellent features, ABS材 material molding property and PC machine property, impact strong/high degree and resistant temperature, UV resistant (UV) and other property 质, color is transparent pellets, can use in automotive internal parts, machine, device 材, home appliances use product and lighting equipment upper.

process conditions:

drying 处理: processing front drying is must. wet degree small 于0.04%, drying conditions is 90~110C, 2~4 small 时.

injection speed degree:尽 can can high.

chemical and material features: PC/ABS tool has PC and ABS两者 comprehensive features. 例如ABS easy processing features and PC excellent machine features and heat stabilized property. ratio rate will effect/influence PC/ABS材 material heat stabilized property. PC/ABS this type of mixed combined material also excellent flow features. shrinkage rate in 0.5% left right.

material features:

PC/ABS is types through mixing/compounding rear combined formed modified engineering plastics. its in, PC就 is poly carbon acid 脂, ABS就 is acrylonitrile (A), butadiene (B) and 苯乙 烯(S) copolymer. this type of modified plastics ratio mono pure PC and ABS property can more good, 例如: impact resistant property improve/increase, heat resistant property improve/increase, hardness improve/increase and other and other.

ABS plastics features:

1, comprehensive property can relatively good, impact strong/high degree relatively high, chemical stability property, electrical property can good.

2, and 372 has machine 玻璃 熔接 property good, made formed di color parts,且 can surface 镀铬,喷漆处理.

3, has high impact resistance, high heat resistant, flame retardant, reinforcement, transparent and other grade 别.

4, flow property ratio HIPS差一点, ratio PMMA, PC and other good, flexibility property good.

5, mechanical properties balanced

6, low temperature tool high impact strong/high degree

7, inner outer stability property

8, relatively high heat deflection temperature (HDT) (80~125℃)

9, resistant property (UL 945VB)

10, color color scope/range 广泛

11, easy injection molding and 挤塑, blow molding processing

12, good electroplating property

13, generally density in 1.05-1.20间

identification methods:

1, new methods: use acid ester scratch, ABS不起 filament, HIPS会起 filament, is pure.

2, commonly used methods: ABS, PS methods has very multiple, 就ABS而言, surface degree good, tough property excellent 于PS, rear surface has 密密麻麻 small 孔, odor has 淡淡 甜味;PS also separation GPPS, HIPS, EPS三 types, relatively 脆, transparent product relatively more, HIPS degree generally, tough property ratio ABS need color 一点, rear surface light 亮, has styrene 味道. HIPS 截断面发白, 但GPPS没 has, EPS main/primary used for foam.

electrical machine housing/shell material 而言, has ABS, HIPS之 separation, generally need according to surface 特征, material 理特征 区 separation, surface degree good generally is ABS, use 钳子掰时ABS need excellent 于HIPS, its hardness relatively high, need force degree large 一, rear according to and 味道 区 separation.

combined formed methods

ABS resin production methods very more, currently world upper industrial plant/unit upper application relatively more is emulsion 接技掺 combined method and 连续本体 method.

1, emulsion grafting combined process:

emulsion grafting combined method is in ABS resin methods -- emulsion grafting method upper development 起, according to SAN copolymer process different also can separation is emulsion grafting emulsion SAN掺 combined, emulsion grafting 悬浮SAN掺 combined, emulsion grafting 本体SAN掺 combined types, its in rear in currently industrial plant/unit upper application relatively more. this types emulsion grafting combined process 都包括 lower several in steps: butadiene made 备, grafting polymer combined formed, SAN copolymer combined formed, mixed and rear 处理.

⑴ butadiene combined formed: butadiene combined formed is ABS production process in main/primary mono 元, generally using/adopting emulsion polymerization process production. production technology currently comparison formed 熟, control in solid content (generally solid content high production cost low), control pellets large small, in 0.05-0.6μm, most good in 0.1-0.4μm scope/range inner,粒径呈 di distribution, this can make ABS resin product tool has excellent surface property can and tough property.

⑵ grafting polymer combined formed: poly butadiene and styrene, acrylonitrile grafting is ABS production process in core mono 元. 粒径呈 di distribution poly butadiene 胶乳连续送入 emulsion grafting reaction device and styrene and acrylonitrile mono mixed combined material grafting copolymer reaction. mono and poly butadiene ratio improve/increase grafting polymer and SAN copolymer molecular weight and grafting degree increase, internal grafting rate generally 随橡胶粒径 increase and crosslinked density reduce increase. in and crosslinked density 恒定时 grafting degree and grafting density is 决定ABS product property can factors.

⑶SAN copolymer combined formed: styrene and propylene copolymer combined formed methods has types: emulsion method, method and method. method using/adopting hot 引发, polymerization, product pure 净, quality relatively high, less, in SAN combined formed in positive 取代悬浮 method, especially in large type ABS production plant/unit upper. method using/adopting agent, polymerization, product 不如本体 method pure 净, generate waste water for ring has 污染, process simple, process/workflow short, investment less, polymerization hot easy 撒出, for in small type plant/unit 而言悬浮 method relatively is 经济. emulsion method process/workflow long, technology rear, 发达国家 already basic 淘汰.

⑷掺 mixed and rear 处理: most rear will to ABS grafting polymer and SAN copolymer year-on-year 例进行掺 mixed, can to multiple ABS resin product, mixed methods make product tool has very large active property.

SAN and grafting polymer mixed and rear process upper has types methods: in " wet process " in will grafting liquid a large amount of water, to or block and SAN pellets 一起送入特殊 extrusion machine drying, mixed combined and material. in " dry process " in, use machine will grafting liquid in a large amount of water separation 脱, rear use nitrogen oxygen drying, drying grafting and SAN pellets mixed combined, extrusion, drying. types process is method production, its equipment fine is patent technology.

market demand:

PC/ABS as is world upper sales amount most large 商业化 polymer alloy, year 都以10% left right demand speed degree growth. PC/ABS relatively 之PC improve/increase flow property, improvement processing properties, decrease/reduce products for force property, widely used in automotive inner 饰, outer 饰, and other high strength, high heat resistant parts. 随 人们 environmental protection improve/increase, automotive industry ELV and other environmental protection can recycling regulations versus 继出台, Raw Materials 厂商也不断 provide new solutions. as is engineering plastics industry 领先者适时 launch new generation PC/ABS alloy series material, it main/primary hydrolysis resistant stability property PC/ABS, used for spray coating inner ultra- low gloss PC/ABS, chemical resistant product excellent easy by paint and other chemical resistant solvent agent PC/ABS and other series product.

hydrolysis resistant stability property PC/ABS

hydrolysis resistant stability property series PC/ABS(HAC8250R) main applications automotive table/sheet sheet/plate skeleton/framework and other automotive inner product. automotive table/sheet sheet/plate skeleton/framework as is 整 仪 table/sheet sheet/plate structural parts, its important property 不言而喻, therefore machine for table/sheet sheet/plate material more requirements. currently, table/sheet sheet/plate skeleton/framework not only requirements has good mechanical properties, processing properties, but also need has excellent hydrolysis resistant property can and hot aging property can, 以适应 automotive in high temperature, high wet ring lower use.

new generation hydrolysis resistant stability property PC/ABS in PCT(Pressure Cooker Test) testing in, in 95%RH, 100℃ high temperature high wet ring 境1000h rear, 该PC/ABS in PC versus still maintain 90% above molecular weight, 未发生严 heavy hydrolysis;而 alloy impact property can decline 15%, versus ratio generally PC/ABS improve/increase 30% above property can. in addition, series material is 适应仪 table/sheet sheet/plate thin requirements, reduce material in high lower viscosity, sheet/slice improve/increase temperature degree improve/increase material flow property belt/tape material hot separation understanding 弊端.

new generation hydrolysis resistant stability property PC/ABS材 material, due to tool has good hydrolysis resistant property and heat stabilized property, can recycling utilizing. add 25% below/following recycling material rear, material more impact property can decline 11%, and is tough property fracture, separation new generation PC/ABS excellent property can. meanwhile series material large 众实验室 评测, in 80%RH, 90℃ high temperature high wet hydrolysis 600h rear, notched impact strength decline 8.5%.

currently material already application in large 众领驭, 克莱斯勒300C, general purpose and other type upper.

ultra- low gloss PC/ABS

automotive inner material generally has light requirements, this has decrease/reduce 驾驶员 视觉 fatigue, from improve/increase safety property. PC/ABS comprehensive property can good, due to its surface gloss degree relatively high, need light and other processing achieve light and 美观 效果. automotive ELV regulations 出台, need spray coating environmental protection solutions achieve products 直接进行 recycling 处理. spray coating solutions not only can large reduce cost, but also can decrease/reduce process formed ring 境污染.

is combined this demand, Kumho day and 延锋伟世通 combined as formed development new generation PC/ABS ultra- low gloss material HAC8250Z and HAC8260Z. material not only meet/satisfy automotive inner 饰腰线 below/following parts low gloss requirements, but also very good balanced flow property and heat resistant property.

new generation ultra- low gloss PC/ABS due to its low gloss already formed used for Shanghai large automotive 斯柯达晶锐 direction upper lower cover/cap sheet/plate upper, parts surface gloss degree in 60° lower testing value is 4.2(皮纹 is K31, 1.5°, color 9B9), meet/satisfy automotive below/following inner gloss degree requirements. meanwhile, Kumho day also and 客户共同 development PC/ABS HAC8260Z仪 table/sheet sheet/plate light material, material not only substitute/replace 原 钢 iron table/sheet sheet/plate skeleton/framework, but also is table/sheet sheet/plate lower material outer 露无需喷漆, currently application in upper 汽红岩 依维柯车 type upper.

versus new generation PC/ABS ultra- low gloss material will ELV regulations 逐步实施而不断 by application.

chemical resistant solvent agent PC/ABS

PC/ABS comprehensive property can excellent 良, is its chemical resistant product property can 差而容 easy to comparison strong/high chemical solvent agent 侵蚀而导致 products cracking and other defect. especially is 当PC/ABS products spray coating certain outer 饰漆时, due to its solvent agent strong/high property, easy products 出现应 force 痕, crazing, cracking. excellent Kumho for this type of 情况, development new generation chemical resistant solvent agent PC/ABSHAC8265P, this type of material 经 模拟 chemical product solvent agent force 侵蚀, its generate cracks time ratio 普通PC/ABS improve/increase 3倍.

new generation chemical resistant solvent agent PC/ABS改变 传统 alloy material 往往以一 types property can 牺牲 换取另一 types property can improve/increase 误区, to excellent chemical resistant product property meanwhile, maintain impact strong/high degree and flow property balanced.

currently material already application in general purpose automotive rear sheet/plate, large automotive 朗逸 尾门 decoration strip/profile and other parts.

PC/ABS, polycarbonate (PC) and acrylonitrile-butadiene-styrene (ABS) copolymer and mixed combined material, is polycarbonate (PC) (Polycarbonate) and polypropylene (PP) 腈(ABS) alloy formed hot can property plastics, combined types material excellent features, ABS材 material molding property and PC machine property, impact strong/high degree and resistant temperature, UV resistant (UV) and other property 质, can use in automotive internal parts, machine, device 材, home appliances use product and lighting equipment upper.

application scope:

1, automotive inner outer 饰: table/sheet sheet/plate, 饰柱, table/sheet front cover/cap, 格栅, inner outer trim parts

2, equipment machine housing/shell and inner parts:笔记本/台式 electrical 脑, machine, printing machine, 绘图仪, device

3, electrical 信, electrical outer housing/shell, parts and can 卡(SIM卡)

4, electrical appliances product, electronics product outer housing/shell, electrical table/sheet and housing/shell 体, use 开关, and base/seat, cable electrical pipeline

5, use electrical appliances, 如洗衣 machine, machine, micro inner external parts and other.