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TPEE understanding and application
TPEE tool has elastic property and engineering plastics strong/high degree; soft 缎赋予 it elastic property make it 象橡胶; hard 段赋予 it processing properties, make it plastics; and versus ratio, it tool has more good processing properties and more long use lifespan; and engineering material versus ratio, tool has strong/high degree high features, flexibility property and force property can more good.
1. force property can, through for soft hard ratio/proportion adjustment, TPEE hardness can from Shore 30-82D, its elastic property and strong/high degree 介于橡胶 and plastics between. and its it thermoplastic property elastomer versus ratio, in low conditions lower, TPEE modulus ratio same hardness its it thermoplastic property elastomer high. modulus is important design conditions 时, use TPEE can shrink small products 横截面积, decrease/reduce material use amount. TPEE tool has high tensile strength. and polyurethane ester (TPU) versus ratio, TPEE pressure shrink modulus and tensile modulus need high more use same hardness TPEE and TPU made as parts front can more large negative 载. in room temperature above, TPEE flexural modulus very high, low temperature also 不象TPU that 样 于坚 hard 因而适宜 made as 悬臂梁 or type parts, especially combined made as high temperature parts. TPEE low temperature property good low temperature notched impact strength excellent other TPE, wear resistant consumption property and TPU versus 当. in low conditions lower, TPEE tool has excellent fatigue resistance can 且滞盾 loss less, this features and high elastic property versus combined, make material formed is more ring negative use conditions lower 理想材 material, gears, 胶辊, property 联轴节, belt/tape can using/adopting.
2. thermal properties, TPEE tool has excellent resistant thermal properties, hardness high, heat resistant property good; TPEE in 110~140℃连续 add hot 10h basic heavy, in 160℃ and 180℃ separation add hot 10h, heavy is 0.05% and 0.1%, 因而TPEE use temperature degree non high, short use temperature degree more high, can automotive production upper temperature degree (150~160℃), and it in high low temperature lower mechanical properties loss small. TPEE in 120℃ above use, its tensile strength high 于TPU in addition TPEE also tool has color low temperature resistance property can, TPEE脆点 low 于-70℃ and hardness low, resistant property good, large separation TPEE can in -40℃ lower long use. due to TPEE in high, low temperature performance 出 均衡 property can, it as temperature degree scope/range non wide, can in -70~200℃ use.
3. chemical resistant property, TPEE tool has oil resistant property, in room temperature lower can resistant large more property liquid chemical 介质(如 acid, alkali, amine alcohol type combined material ), for 卤代烃( fluorine remove outer ) and type function can is force, its chemical resistant product can force its hardness improve/increase improve/increase. TPEE for large more has machine solvent agent, material and gas resistant solvent property can and resistant property can is good, for 燃油渗透 property is chlorine 丁胶, chlorine polyethylene (PE), 丁腈胶 and other oil resistant 橡胶 1/3~1/300但TPEE heat resistant water property relatively 差, addition polymerization carbon amine stabilizer can obvious improvement its resistant hydrolysis property can.
4. weather resistance and resistant aging property, TPEE in very more different conditions lower, in water 雾, oxygen, outer large gas aging and other conditions lower, chemical stability property excellent 良. large more elastomer 一样, in outer light function lower 会发生 degradation, therefore for/regarding outer application or products cationic light conditions, formulation in add outer light anti additives, its in 包括炭黑 and various material or its it 屏蔽材 material ; in addition TPEE also tool has different degree hydrolysis property.
TPEE product application :TPEE main/primary used for requirements decrease 震, resistant impact, resistant 曲挠, property and elastic property, oil resistant, chemical resistant product requirements strong/high degree field/area. 如: polymer modified, automotive parts, resistant high low temperature electrical sleeve/set, liquid pressure soft tube/pipe, footwear materials, 传动皮 belt/tape, molding 轮胎, property 连轴节, gears, electrical slip 道, chemical industry equipment pipeline parts in anti wear resistant resistant high low temperature material and other.
TPEE is through for 苯二甲 acid 1,4- butanediol and poly alcohol copolymer formed, its hard ratio/proportion increase large can reinforcement material rigid property and chemical stability property, soft ratio/proportion increase large can improve/increase flexibility property and low temperature property can.
SKYPEL is SK chemical company is its engineering thermoplastic property elastomer 注册 商 product 名称. it is types ester system thermoplastic property elastomer (Thermoplastic elastomers), its soft/flexible property and elastic property force 酷似橡胶, machine property strong/high degree, heat resistant property and weather resistance ratio excellent 秀. 不经 硫 chemical industry 程, and thermoplastic property resin same, easy molding processing resin according to usually polyester combined formed methods adjustment soft copolymer amount, from formed combined various applications soft/flexible property and machine property 材质.
tool has features:
⒈良 good resistant creep, impact resistant and resistant fatigue property can.
⒉ high impact strong/high degree and good low temperature flexibility property.
⒊ temperature degree upper rise maintain good property can.
⒋良 good for chemical material 质, product, solvent agent and gas resistant can force.
⒌ high resistant strong/high degree and high resistant scratch property can.
⒍ easy processing tool property.
⒎良 good can recycling property.
Common grade:
G130D tool has and versus 似 挠 property, elastic property and machine strong/high degree, it heat resistant property and weather resistance ratio good. has and other grade SKYPEL都 is copolymer, poly 丁烯— for acid salt hard ( crystallization 体)段 and long polyether ethylene glycol soft ( non crystallization )段组 formed. its property hard to soft ratio rate 决定.
application: soft tube/pipe sleeve/set, and liquid pressure soft tube/pipe belt/tape, pipeline, 密封材 material
G140D tool has and versus 似 挠 property, elastic property and machine strong/high degree, it heat resistant property and weather resistance ratio good. has and other grade SKYPEL都 is copolymer, poly 丁烯— for acid salt hard ( crystallization 体)段 and long polyether ethylene glycol soft ( non crystallization )段组 formed. its property hard to soft ratio rate 决定.
application: use product film and parts and other, high 尔夫球 table/sheet 皮层
G155D tool has and versus 似 挠 property, elastic property and machine strong/high degree, it heat resistant property and weather resistance ratio good. has and other grade SKYPEL都 is copolymer, poly 丁烯— for acid salt hard ( crystallization 体)段 and long polyether ethylene glycol soft ( non crystallization )段组 formed. its property hard to soft ratio rate 决定.
application: molding material, automotive parts, belt/tape type, soft hard pipeline.
G163D tool has and versus 似 挠 property, elastic property and machine strong/high degree, it heat resistant property and weather resistance ratio good. has and other grade SKYPEL都 is copolymer, poly 丁烯— for acid salt hard ( crystallization 体)段 and long polyether ethylene glycol soft ( non crystallization )段组 formed. its property hard to soft ratio rate 决定.
application: material water 槽part, agent, various gears type, 键区, electrical 话天线, Phos type, pressure shrink elastic 簧, tube/pipe 覆层, Inline-skate roller
G172D tool has and versus 似 挠 property, elastic property and machine strong/high degree, it heat resistant property and weather resistance ratio good. has and other grade SKYPEL都 is copolymer, poly 丁烯— for acid salt hard ( crystallization 体)段 and long polyether ethylene glycol soft ( non crystallization )段组 formed. its property hard to soft ratio rate 决定.
application: gears, bearings, electrical 话线包线.
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