Shanghai Daoqin Plastics Co., Ltd.

         Raw Materials quality indicators in, 经常会遇 to 一 术语, 准确理 understanding it 含义, has more good Raw Materials property can. 现列出部 separation commonly used 名词术语.

        1 density and versus for density

        Density and relative density—— density is material mono 位体积 inner quality, 简言之 is quality and 体积之 ratio, its mono is 百 万克/米3(Mg/m3) or 千克/米3(kg/m3) or 克/ cm 3(g/cm3). versus for density density ratio, is material density and material density in 各自规定 strip/profile parts lower ratio, or is 说一定体积 material in t1 temperature degree lower quality and and other 体积参考 material in t2. temperature degree lower quality ratio. commonly used material is water, use Dt1/t2 or t1/t2 table/sheet 示, is 无因次 amount.

        2 melting point and solid 点

        Melting point and Freezing point—— material in its vapor pressure lower liquid 态— solid to balanced temperature degree is melting point or solid 点. this is due to solid in or has 规则排列因 temperature degree upper rise, hot 运动变 杂乱而 active 化, formed 不规则排列 liquid 体 一 types phenomenon, versus process is solid. for/regarding liquid is solid temperature degree is solid or 冰点, and melting point different in 于放出 hot amount is absorption hot amount. its material melting point and solid is 一致.

        3 melting point scope/range (Melting range)

        指 use fine tube/pipe method from material 质开始熔化至 full 部熔化 temperature degree scope/range.

        4 crystallization 点(Crystal point)

        系指 liquid in cooling process in, liquid 态转变 is solid versus temperature degree.

        5倾点(Pour point)

         table/sheet liquid 体石油 product property indicators 之一. sample in standards conditions lower cooling 至开始停止 flow temperature degree, is sample cooling also can 倾注时 most low temperature degree.

        6沸点(Boiling point)

         liquid hot 发生沸腾而变 formed gas temperature degree. or is liquid and it gas balanced 状态时 temperature degree. generally 说, 沸点越 low, property large.

        7沸程(Boiling range)

         in standards lower (1013.25hPa, 0℃), in product standards temperature degree scope/range inner 馏出体积.

        8 rise 华(Sublimation) 

         solid 态(crystallization) material 质不经 liquid 态而直接转变 is gas phenomenon. 如冰, 碘, 硫, 萘, 樟脑, chlorine and other can in different temperature degree lower rise 华.

        9 speed degree (Vaporizing velocity)

        蒸发 is liquid surface gas phenomenon. speed degree 亦称挥发 speed degree, generally use solvent agent high low 判断, 决定蒸发 speed degree factors is solvent agent in temperature degree lower vapor pressure, its is solvent agent molecular weight.

        10 vapor pressure (Vapor pressure)

         vapor pressure is saturated and vapor pressure 简称. in temperature degree lower, liquid and its gas to balanced, balanced pressure liquid property and temperature degree 而改变, is liquid in temperature degree lower saturated and vapor pressure.

        11共沸(Azeotrope)

        两 types (or types) liquid formed 恒沸点 mixed combined material is mixed combined material, is 指处于 balanced lower, gas versus and liquid versus formed full versus meanwhile mixed combined solvent liquid. for temperature degree is temperature degree or 共沸点.

        12折射 rate (Refractive index)

        折射 rate is table/sheet light in types different (各 toward property)介质 in light speed ratio value material amount. light speed degree 因介质 different 而异, light from types transparent 介 质进入 density versus 异 另一 types transparent 介质时, due to speed degree 改变, in its direction upper 发生改变, is 折射. light 入射角 positive and 折射角 positive ratio, or light through true and through 介质时 speed degree ratio, is rate. generally table/sheet 示 折射 rate n is light gas 进入任一介质 数 value. usually 指 折射 rate is using/adopting light (D线), in tC测定, use ntD table/sheet 示, in 20℃时测定, is n20D.

        13 flash point (Flashing point)

         flash point also flash point, table/sheet can property liquid property indicators 之一. is can property liquid add hot to its liquid surface upper vapor pressure and gas mixed combined material and 火焰接触发生闪火时 most low temperature degree. usually is color 火花, 一闪即灭, can 继续燃烧. 闪燃往往 is 发生火灾 先兆. flash point has 开口杯 method and 闭口杯 method, generally front used for high flash point liquid 体, rear used for low flash point liquid 体.

        14燃点(Ignition point)

        燃点 also 称 火点, table/sheet can property liquid property indicators 之一. is can property liquid add hot to its surface upper gas and gas mixed combined material and 火焰接触立即 火 still can 继续燃烧 most low temperature degree. easy liquid 体 燃点 high flash point 1～5℃. flash point low, and flash point between 差别愈 small.

        15自燃点 (Spontaneous ignition point)

         can property material in has 接触明火就 can 引起 火 most low temperature degree, is 自燃点. 自燃点越 low, 火 危险 property large. material 质 自燃点随 pressure, concentrated degree, dispersion hot and other conditions and testing methods different 而异.

        16爆炸极限(Explosive limits)

         can gas 体, can liquid 体 蒸 gas or can solid powder in temperature degree, pressure lower and gas or oxygen mixed combined to concentrated degree scope/range 时, to 火源就会发生爆炸. this concentrated degree scope/range, as 爆炸极限 or 燃烧极限. if mixed combined material formed in this scope/range inner, to can amount again large, 也不会 火. gas or powder and gas mixed combined to concentrated degree scope/range, to 火源就会燃烧 or most low concentrated degree is lower 限; most high concentrated degree is upper 限. 爆炸极限 usually gas in mixed combined material 体积百 separation table/sheet 示, 即% (vol); powder 尘则以mg/m3 concentrated degree table/sheet 示. if concentrated degree low 于爆炸 lower 限, although 明火也不致爆炸 or 燃烧, is 此时空 gas ratio/proportion very large, can gas and powder concentrated degree high; if concentrated degree high 于爆炸 upper 限, has a large amount of can material 质, less oxygen gas, in has gas 补充 情况 lower, make 遇明火, 一时也不会爆炸. easy property solvent agent has 一定 爆炸 scope/range, 爆炸范 围越 wide, property large.

        17 viscosity (Viscosity)

         viscosity is 流体(liquid or gas 体) in flow in generate internal scratch retardant force, its large small material types type, temperature degree, concentrated degree and other factors 决定. generally is force viscosity 简称, its mono is 帕·秒(Pa·s) or milli 帕·秒(mPa·s). viscosity separation is force viscosity, viscosity, versus for viscosity, has difference, can mixed 淆. viscosity also can use coating —4 or coating —1杯测定, its mono is 秒(s).

        18门尼 viscosity (Mooney viscosity)

        门尼 viscosity also 称转动 (门尼) viscosity, is use viscosity 计测定 数 value, basic upper can combined formed polymerization degree and molecular weight. according to GB 1232 standards 规定, 转动(门尼) viscosity 以符号 Z100℃ 1 4 table/sheet 示. its in Z——转动 viscosity value;1—— preheating time is 1min;4——转动 time is 4min;100℃—— experiment/testing temperature degree is 100℃, upper ML100℃ 1 4 table/sheet 示门尼 viscosity.

        19 solvent understanding degree (Solubility)

         in temperature degree and pressure lower, material in amount to solvent agent in solvent understanding most a large amount of is solvent understanding degree. solid or liquid material solvent understanding degree, generally use 100g solvent agent in can solvent understanding material 质 克数 table/sheet 示. gas solvent solvent understanding degree commonly used rise solvent agent in solvent understanding gas milli rise table/sheet 示.

        20 solvent understanding degree parameters (Solubility parameter)

         solvent understanding degree parameters also is solvent degree parameters, is separation function force types amount degree. make separation poly in function can is inner poly can. mono 位体积 inner poly can inner poly can density (CED), CED 平方根(CED)1/2定义 is solvent understanding degree parameters, is δ or SP.

        21 surface force and surface can

        Surface tension and surface energy—— liquid internal separation 子 吸引 force make surface upper separation 子处于 toward inner types force function lower, this type of force make liquid amount shrink small its surface 积而形 formed 平行于 surface force, is surface force. or is liquid surface versus 邻两部 separation mono long degree inner versus 互牵引 force, it is separation force types performance. surface force mono is N/m. surface force large small and liquid property 质, pure degree and temperature degree has 关. surface force surface 面积即 is surface can. surface force large, surface large, tool has surface can large.

        22 specific heat capacity (Specific heat capacity)

        每公斤 material temperature degree rise high 1K时 需 absorption hot amount is specific heat capacity, mono is kJ/(kg·K). in pressure strong/high 不变 情况 lower, temperature degree rise high 1K时 absorption hot amount is pressure specific heat capacity.

        23 hot rate (Thermal conductivity)

         hot rate is thermal conductivity or hot 传导系数, material hot can force. in material internal 垂直于 thermally conductive direction versus 距25px, is 25px2 平行平面, if in this 两 平面 temperature degree versus 差1K, in ls inner from 一 平面传导 to 另一平面 hot amount 就规定 is material hot rate, its mono is W/(m·K).

        24 water separation (Water content)

         material in water separation, 但不包括 crystallization water and combined water. commonly used Sample quality and Sample water rear quality separation table/sheet 示.

        25吸 water property (Water absorption)

         is material water degree amount degree. in temperature degree lower material in water in 浸泡一定 time increase quality separation 数.

        26 ash content (Ash)

         ash content 亦称灼烧残渣, 系指经蒸发 and rear, its material formed separation formed oxidation material and salt type material, use separation content table/sheet 示.

        27针入 degree (Needle penetration)

        针入 degree is standards in 一定 荷 heavy, time and temperature degree conditions lower 垂直穿入沥青 Sample deep degree table/sheet 示, mono is 1/10mm. non 经另行规定, standards 针, 针连杆 and add combined heavy is 100±0.1g, temperature degree 25℃, time is 5s. degree large table/sheet soft, degree small;反之则 table/sheet hard, degree large.

        28 hardness (Hardness)

         hardness is material for pressure 印, and other outer force resistant can force. according to experiment/testing methods different has Shore (Shore) hardness, (Brinell) hardness, 洛氏(Rockwell) hardness, 莫氏(Mohs) hardness, 巴氏(Barcol) hardness, 维氏(Vichers) hardness and other. hardness value and hardness type type has 关, in commonly used hardness in, Shore hardness structure simple, production 检验. Shore hardness can separation is A type, C type, D type, A type used for amount soft 质橡胶, C and D type used for amount semi hard and hard 质橡胶.

        29苯 amine 点(Aniline point; A．P．)

        苯 amine is and other 体积 石油烷烃 and amine versus solvent understanding most low temperature degree, use table/sheet 示链烷烃 type saturated and content. amine high low and chemical formed has 关, amine high, content more;苯 amine low, content more.

        30 volume resistivity (Volume resistivity)

        也叫体积 electrical retardant, electrical retardant 系数, is table/sheet electrical or insulation material electrical property can important indicators. table/sheet 示25px3 electrical for electrical electrical retardant, mono is Ω·m or Ω·cm. volume resistivity large, insulation property can good.

        31吸油 amount (Oil absorption)

        一定 quality 颜(填) material pellets for surface by full wet 时 需油 material amount.

        32 acid value (Acid value)

         acid value also acid value, it table/sheet has machine material 质 一 types indicators, is in and 1g has machine material 质 不挥发 material in acid hydrogen oxidation 钾(KOH) milli 克数, 即mgKOH/g.

        33羟 value (Hydroxyl value)

        1g sample in versus hydrogen oxidation 钾(KOH) milli 克数, 以mgKOH/g table/sheet 示.

        34碘 value (Iodine value) 

         table/sheet has machine material saturated and degree types indicators. is 1g sample can absorption quality separation 数. saturated and degree high, value large.

        35 ring oxygen value (Epoxy value)

         ring oxygen value is table/sheet 示100g ring oxygen resin in has ring oxygen 基 当 amount 数, ring oxygen value = ring oxygen amount /100= ring oxygen 基数目/ ring oxygen resin molecular weight *100%. ring oxygen value large, molecular weight small, viscosity low.

        36 ring oxygen amount (Epoxy equivalent) 

         ring oxygen amount table/sheet 示每一 ring oxygen versus resin molecular weight. ring oxygen amount = ring oxygen resin molecular weight / ring oxygen 基数目.

        37HLB value (HLB value)

         is hydrophilic water hydrophilic balanced (Hydrophile—Lipophile—Balance) shrink 写, use amount surface active property agent separation in property 基, non property 基两部 separation versus for strong/high degree. property 基团愈 strong/high, its HLB value large, hydrophilic water property strong/high;若 non property 基团愈 long, its HLB value small, hydrophilic water property 愈差.

        38 临界胶束 concentrated degree (Critical micell concentration) 

        临界胶束 concentrated degree, has 称临界胶团 concentrated degree, 简称CMC. emulsification agent solvent liquid property 质发生突变 concentrated degree scope/range, is emulsification agent 临界胶束 concentrated degree. emulsion system in to 临界胶束 concentrated degree rear, many emulsification agent separation poly 集起 形 formed 胶束. CMC mono is mol/L.

        39波美 degree (Degree Baume)

         using/adopting tube/pipe 式浮计 in types separation degree methods 波美计 to value is degree, is °B′e. used for to liquid density.

        40 solid content (Solid content)

         solid content also 称不挥发 material content, solid content (TS), table/sheet Sample in temperature degree lower add hot rear material quality and Sample quality ratio value, separation table/sheet 示.

        41 surface active property agent (Surface—active agent)

         also interface active property agent, can significantly liquid surface force or versus interface force material 质. or can strong/high 烈 吸附 in other material surface or poly solvent liquid surface, reduce liquid or solid surface force material 质.

        42 versus for wet degree (Relative humidity)

         table/sheet wet degree types methods, is in same conditions (同 temperature pressure) lower, for wet degree and saturated and for wet degree ratio, in same conditions lower, gas (or other gas 体) in 实际 含 water gas quality and saturated and water gas quality ratio. generally separation table/sheet 示.

        43 table/sheet density (Apparent density)

        曾称 is density, density, false density, density, table/sheet mono 位体积(包括空隙 in inner) material quality.

        44同 separation 异构体(Isomer)

        化 combined material has same separation 子式, has different structure and property phenomenon is separation 异构. can 发生同 separation phenomenon combined material 叫做同 separation 异构体, 简称异构体.

        45 versus for separation quality (Relative molecular mass) 

        简称 molecular weight, is material separation or mono 位 平均 quality and 核素10 6 C原子 quality (1/12)之 ratio, is Mr.

        46数均 molecular weight (Number average molecular weight)

         polymer is chemical formed same polymerization degree and other mixed combined material formed, separation long degree different high poly material mixed combined formed. usually using/adopting 平均数 molecular weight table/sheet separation large small. separation 子数目 statistics 平均, is molecular weight, is (ˉMn).

        47 polymerization degree (Degree of polymerization)

        组 formed polymer separation 子链 链节数目称 is polymerization degree, is n or DP, can as is polymer molecular weight large small amount degree.

        48 molecular weight distribution (Molecular weight distribution)

         polymer/macromolecule due to large small 不一, remove molecular weight tool has statistics features, also has more dispersion property, molecular weight distribution. same molecular weight has different molecular weight distribution, performance different property can.

        49 homopolymer (Homopolymer)

        由同一 mono polymerization formed types heavy formed polymer, is homopolymer.

        50 copolymer (Copolymer)

        由两 types or types above mono or mono and polymer 间进行 polymerization formed polymer, is copolymer, it separation is copolymer, random copolymer, has copolymer, grafting copolymer and other.

        51 grafting copolymer (Graft copolymer) 

         polymer certain upper has and chemical structure different polymer 链段 侧链 一 types copolymer, is grafting copolymer, grafting chlorine 丁橡胶, SBS grafting copolymer.

        52预 poly material (Prepolymer) 

         polymerization degree mono and most polymer between types molecular weight relatively low (1500 below/following) polymer, is oligomer, poly material (Oligmer), is less 数链节组 formed polymer, poly 体, poly 体, poly 体, or this oligomer mixed combined material.

        53玻璃化 temperature degree (Glass transition temperature) 

        无定形 or semi crystallization polymer from viscous or high elastic toward 玻璃态转变(or versus 反 转变) relatively narrow temperature degree scope/range in 点, is 玻璃化 temperature degree, usually 以Tg table/sheet 示, is heat resistant property indicators.

        54脆化 temperature degree (Brittle temperature)

         polymer low temperature property can types amount degree, tool has can amount impact Sample 时, Sample cracking rate to 50%时 temperature degree, is temperature degree, 也叫脆折点.

        55 heat deflection temperature (HDT) (Heat deflection temperature under load)

         polymer heat resistant property types amount degree, is will polymer Sample in types and other speed rise temperature 适宜传 hot in, in 简支梁式 静 bending negative function lower, Sample bending deformation to value temperature degree, is heat deflection temperature (HDT), 简称HDT.

        56 most low formed film temperature degree (Minimum filming temperature)

         combined formed emulsion system formed 连续胶 film most low temperature degree, most low formed film temperature degree, 简称MFT.

        57 soft 化点(Softening point)

         in polymer Sample upper, 以一定形式施以一定 negative 荷, 并按规定 rise temperature speed rate add hot to Sample deformation to value temperature degree, is soft 化点.

        58马丁 heat resistant experiment/testing (Marten’s test)

         evaluation material high temperature deformation trend types methods. in add hot inner, make Sample 承受一定 bending force, 并按一定 speed rate rise temperature, Sample hot 自由端 generate 规定偏斜 amount temperature degree, is temperature degree.

        59维卡 soft experiment/testing (Vicat softening point test) 

         evaluation thermoplastic property plastics high temperature deformation trend types methods. is in and other speed rise temperature conditions lower, use belt/tape has negative 荷, 截面积 is 1mm2 平顶针放 in Sample upper, 当平顶针刺入 Sample 1mm时 temperature degree, is Vicat softening temperature.

        60 melt 指数(Melt index)

         melt 指数简称MI, is thermoplastic property resin melt flow features and molecular weight large small indicators, in temperature degree and negative lower, its melt in 10min inner through standards fine tube/pipe quality value, 以g/10min table/sheet 示.

        61应 force 松弛(Stress relaxation)

        形变 solid 定, force function time long decrease phenomenon force 松弛.

        62 creep (Creep) 

        当应 force maintain 恒定时, 形变随 time 而变化 phenomenon creep.

        63 shrinkage rate (Shrinkage ration)

        定义 is shrinkage amount and shrinkage front dimensions ratio separation 数, shrinkage amount is shrinkage front rear dimensions 之差.

        64 internal stress (Internal stress)

         in has outer force in lower, 胶层(材 material) internal due to in defect, temperature degree 变化, solvent agent function and other causes generate force.

        65 tensile strength (Tensile strength)

         tensile strength is Sample tensile fracture most large tensile force. this commonly used very 不统一, has 称扯断 force, strong/high degree, resistant force, resistant strong/high degree, also has strong/high force, strong/high degree 之称. according to GB 6039—85 standards 规定, 统一称 its is tensile strength, mono is MPa.

        66剪切 strong/high degree (Shear strength)

        曾称 resistant strong/high degree, is mono bonding upper can 够承受平行于 bonding most large 载荷, commonly used mono is MPa.

        67剥离 strong/high degree (Peel strength)

        曾称 resistant strong/high degree, is mono wide degree can most large bad 载荷, is amount force can force, mono is kN/m.

        68 ratio strong/high degree (Specific strength)

        材 material tensile strength and its density ratio is ratio strong/high degree.

        69 elongation (Elongation)

         Sample in force function lower long degree increase, long separation table/sheet 示.

        70 solvent 胀(Swelling)

         high poly material absorption solvent agent separation 子而发生体积膨胀 phenomenon, is solvent 胀. solvent also separation is has solvent and solvent 胀, solvent is solvent understanding.

        71 emulsification (Emulsion)

         in emulsification agent in lower, make types difficult solvent liquid 体, dispersion 于另一 types liquid phenomenon emulsification.

        72糊化(Gelatinization)

        淀 powder type material and water in temperature degree lower formed tool has viscous property semi transparent or 糊状体 phenomenon.

        73 versus property (Compatibility)

        两 types or types above material mixed combined 时, generate separation phenomenon can force.

        74塑炼(Mastication)

        塑炼 also 称素炼, 轧炼, is 指生胶 in machine force, hot and oxygen and other function lower, from strong/high tough elastic property 状态转变 is soft/flexible tool has property 状态, increase its can property (flow property) process process is 塑炼, 塑炼 实质 is reduce molecular weight, reduce viscosity, reduce viscous temperature degree. 塑炼 生胶称 is 塑炼胶.

        75 mixing/compounding (Milling)

         mixing/compounding is will 塑炼胶 or tool has can property and various combined agent machine function make uniform mixed combined process process. mixing/compounding rear to mixing/compounding quality, for made viscous agent property can has very large effect/influence.

        76硫化(Valcanization)

        硫化 is and and promote agent and other in temperature degree, pressure lower, make large separation 子链发生 crosslinked reaction process, is property 橡胶转化 is elastic property 橡 胶 or hard 质橡胶 process. 广义 说, is material chemical or material methods rear, make large separation through crosslinked from type is structure, from improvement material mechanical properties and chemical property can process process.

        77 crosslinked (Crosslinking)

        系指线 type polymer separation 子主链间 chemical combined.

        78 scorching/burn marks (Scorching) 

         scorching/burn marks is 指橡胶胶 material in processing process in generate 早期硫化 phenomenon. is 避免烧焦 危险, can add anti agent, chlorine 丁橡胶 mixing/compounding add 入 醋 acid 钠.

        79 oil resistant property (Oil resistance)

        材 material resistant type solvent 胀, solvent understanding, cracking, deformation or physical properties reduce can force.

        80 resistant solvent agent property (Solvent resistance)

        抵 resistant solvent agent solvent 胀, solvent understanding, crazing or can force.

        81 chemical resistance (Chemical resistance)

         resistant acid, alkali, salt, solvent agent and other chemical material can force.

        82 resistant water property (Water resistance)

        材 material water or wet gas function rear still can maintain its material chemical property can force.

        83 resistant property (Flame resistance)

        材 material 接触火焰时, made or 离开火焰时 retardant 碍继续燃烧 can force

        84 weather resistance (Weatherability)

        材 material in day light, cold hot, and other gas conditions lower resistant property.

        85 resistant property (Permanence)

         resistant property stability property and use lifespan. is in outer force ring factors function lower, long maintain its property can can force.

        86 aging (Aging)

         in processing, and use process in, due to to outer factors (hot, light, oxygen, water, 射线, machine force and chemical and other) function, 发生一 series material or chemical 变化, make high separation material crosslinked 变脆, understanding viscous, color crazing, coarse 糙起泡, surface powder 化, delamination 剥落, property can 逐渐变 bad, 以至丧失 force property can can use, this type of phenomenon aging.

        88 semi 数致死 amount (Lethal dose)

         semi 数致死 amount is amount product property large small important data. will material to 一 动 material (如鼠, and other)口服 or injection, can make semi material agent amount, is semi 数致死 amount, is LD50, 以mg/kg table/sheet 示. semi 数致死 amount small, property large, LD50 ultra- 5000mg/kg can is 无毒.

        88 most high concentrated degree (Maxium allowable concentration)

         is anti chemical material 质引起人身急 property or slow property in 毒, 各国政府都规定 工 as 场 空 gas in has gas or powder 尘不应 ultra- 数 value, is most high concentrated degree, 简称MAC, usually 以mg/m3 or ppm table/sheet 示.

        89贮存期(Storage life; shelf life)

         property can material material, in conditions lower 存放时, still maintain its can use property can most long time.

        90针入 degree ratio

        测定蒸发 loss rear sample degree and 原针入 degree ratio 乘以100之 rear, percentage.