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涂料知识:粉末涂料术语(三)

作者:admin 来源: 日期:2013-1-30 21:20:52 人气:10

DC Current直流电
Direct electrical current. 直流电流。
Decorative Coating 装饰性涂料
A coating designed primarily for cosmetic and secondary for protection.
这种涂层主要目的是装饰作用,其次是为了起保护作用。
Deflector折向器
Conical shaped disc attached to the end of the powder gun to evenly distribute the powder in a 360o pattern. Used to shape and direct the powder pattern.
用于确定和指导粉末喷涂的形状。附在粉末枪末端的使粉末能够360度分散的锥形物。
De-ionised Water 去离子水
Water containing no ions other than hydrogen, oxygen and hydroxyl ions. Usually produced through the use of ion exchange resins and used for the final rinse in pre-treatment processes.
除氢、氧、氢氧根离子而不含其它离子的水,一般是用离子交换树脂生产,用于前处理工艺的最后一道水洗。
Delamination 分层
Separation between two layers of coatings or between coatings and substrate.
涂层和基材之间、两种涂层之间的分离。
Delivery 输送
The process of moving the powder through the application equipment to the end product.
把粉末从涂装设备移动到最终产品上的过程。
De-mineralised Water 软水
Water containing no ions other than hydrogen, oxygen and hydroxyl ions. Usually produced through the use of ion exchange resins and used for the final rinse in pre-treatment processes.
除氢、氧、氢氧根离子而不含其它离子的水,一般是用离子交换树脂生产,用于前处理工艺的最后一道水洗。
Detergent 清洁剂
An alkali or ionised cleaning or emulsified agent.
一种碱或表面活性剂。
Dew Point 露点
Temperature at which water condenses from air at atmospheric pressure. Dew point varies with relative humidity.
在大气压力下,水凝结时的温度,露点随着相对湿度的变化而变化。
Diffuser 散流器
A porous material used in an airline to evenly distributes the air.
一种多孔的材料,用于分散空气的流动方向。
Dispersion 分散
Suspension of one substance in another. 把一种介质悬浮到另一种介质中。
Dry Blend 干混
Material generally added into the final coating as a dry additive without any melting.
材料一般作为无需熔化的干的助剂加入粉末中。
DFT 干膜厚度
Dry Film Thickness. Depth of applied coating before curing.
涂层在固化之前的深度(厚度)。
Dry Flow 干流动性
The properties of a coating powder that relates to the ease of movement or transportation with air or vibration. 粉末涂料的无需气吹和振动而容易流动的性能。
Dry Flow Additive 干粉流动助剂
An additive that improves the properties of the coating in the powder state. It improves the free flowing characteristics (for better fluidisation or transporting via feed lines) along with the sieving.
一种改善粉末涂料状态的助剂,它能改进在分样筛的自由流动性能(通过管道的好的流化和传送)。
Edge Coverage 边角覆盖
The ability to flow over, build and adhere to the sharp corners, angles and edges of components. 在工件的凹槽、尖角和边缘不受影响并能很好的附着在上面的能力。
Elasticity 弹性
The ability to recover from stretching.
恢复原先伸展状态的能力。
Electrode 电极
A metal filament within or at the end of a powder spray gun used to create air ions at high voltage to produce charged particles (Corona).
在粉末喷涂枪内部或末端在高压电场中形成空气离子从而产生带电的电荷(电晕)。
Electrostatic Charge静电充电
This is a charge that is carried on the surface of an insulated object such as a powder particle. The charge can be generated by friction or applied by an external field or corona.
这是一个绝缘物体如粉末粒子的带电,充电可以是摩擦形成,也可是外部电场或电晕完成。
Electrostatic Deposition 静电沉积
A technique of moving and charging powder so that it is deposited on an earthed substrate.
一种移动和粉末充电以便沉积在接地的基材上的技术。
Electrostatic Fluid Bed 静电流化床
A fluid bed equipped with an electrode grid to charge powder so that it is deposited on an earthed component.
使用电极栅使粉末充电并沉积在接地的工件上的一种流化床设备。
Epoxy 环氧型
A type of powder coating manufactured using epoxy resins, generally having high mechanical strength and corrosion resistance. But limited in gloss and colour retention when exposed to sunlight.
一个主要使用环氧树脂而生产的粉末涂料类型,一般有较好的机械性能和耐腐蚀性能,但在阳光曝晒下颜色和光泽的保持能力较差。
Epoxy Resin 环氧树脂
Film forming binder usually made from Biphenyl-A and Epicholrohydrin. Characterised as a Polyther.
一种形成涂膜的材料,由双酚A和环氧氯丙烷生产而成,主要是聚醚结构。
Erosion 侵蚀
Wearing away of a coating to expose the substrate.
涂层因为损蚀而爆露出基材。
Ester 酯
A chemical formed by the reaction of an acid and an alcohol.
一种由酸和醇反应而形成的化学结构。
Etching 刻蚀
Surface preparation of metal before chemical process. Removal of a layer of the base metal.
在化学处理之前的表面准备,移除一层金属基材。
Explosion Vent 防爆门
Pressure relief membrane to prevent damage to a confined dust collection device.
为了防止伤害在集尘装置上的卸压膜。
Explosion Limit 爆炸极限
Range of the ratio of powder particles to air which the mixture will explode or ignite.
即将爆炸或着火的粉末粒子和空气的比率范围。
Extender 预添加物
Pigment that can contribute specific properties to a coating, but usually does not substantially affect the colour.
对涂层能够显示出特殊性能的颜料,但一般不能充分地影响颜色。
Extrudate 挤出
Molten powder coating formulation as it exits the extruder during the manufacture process.
在生产过程中,粉末涂料在挤出机中的熔化过程。
Extruder 挤出机
Device used to melt & mix plastics and powder coatings. An extruder utilises heat and mixing to mechanically knead the formulation to achieve a homogeneous mixture.
粉末涂料用于熔化和捏合的设备,挤出机利用热量和机械捏合可以达到高度混合的目的。
Fading 退色
Gradual Loss of colour, due to a chemical or physical change, usually caused by UV light.

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