difficulties, particularly at the dosing stage, but its popularity is  dịch - difficulties, particularly at the dosing stage, but its popularity is  Trung làm thế nào để nói

difficulties, particularly at the d

difficulties, particularly at the dosing stage, but its popularity is growing and it is
becoming clear that it is complementary to masterbatch, rather than in
competition with it. It is widely considered best suited to long runs, where dosing
can be more controlled, but the latest equipment (such as Colortronic's new lowrate
gravimetric additive feeder, Graviblend S) is claimed to bring colour changes
down to seconds.
Recent development has concentrated on liquid colours for PET, to meet the
huge demand from the packaging sector. Ferro's SpectraFlo Type 99 is opaque,
complementing its range of transparent colours, meeting FDA rules and offering
a rapid colour change at a let-down ratio of 1000:1. A clear-tint PET green from
Milliken is said to have advantages over other liquid pigment dispersions for PET,
with cost savings over pre-coloured PET.
6.2 Addition of Colorants
Originally, pigments were dispersed in plastics simply by dry blending in a
tumble-mixer - or in an oil drum. The plasticizing function of an extruder or
injection moulding machine also offered a reasonably good method of dispersing
a pigment but the penetration of plastics into more critical markets brought
demands for greater homogeneity and consistency. To achieve best results,
however, pigmented compounds need to be prepared before moulding, using
dedicated equipment such as a compounding extruder, or pigments must be
formulated as concentrates, in a form giving trouble-free mixing with virgin
material alongside the moulding machine.
Concentrates or masterbatches are consistent, simple, and safe. They usually
come in a granular form, in which the concentrated pigment is dispersed in a
polymer carrier (such as polyethylene) that is compatible with the matrix resin.
The let-down ratio is usually 0.5-2%, depending on colour, host material, and
part thickness.
The advantages claimed include cost savings due to less handling, quick
colour changes, savings with lower inventory and reduced storage
requirements, no pollution from colour particles in the air, and easy and clean to
use. Colour dispersion is so good that precise measuring and mixing are not
essential (but good screw back-pressure is recommended), while there is no
adverse effect on the physical properties of the host material.
A typical range will cover around 400 colours, with a minimum order
quantity of 25 kg, but some suppliers can supply down to 1 kg at a surcharge.
Colour matching can also be done, usually on a minimum quantity of 50 kg.
There are around 200 producers of colour masterbatch, the leaders being Cabot,
Schulmann, Ampacet, andFerro.
Whether the colour is added by a specialist compounder or by a good technical
processor, the quality depends on dispersion and match. The pigment is dispersed
by 'wetting' the particles with the resin, and the size and shape of the particles
are therefore of great importance, as also are the rheological properties of the
resin matrix. Apart from colour fidelity, good dispersion also plays a role in
0/5000
Từ: -
Sang: -
Kết quả (Trung) 1: [Sao chép]
Sao chép!
difficulties, particularly at the dosing stage, but its popularity is growing and it is
becoming clear that it is complementary to masterbatch, rather than in
competition with it. It is widely considered best suited to long runs, where dosing
can be more controlled, but the latest equipment (such as Colortronic's new lowrate
gravimetric additive feeder, Graviblend S) is claimed to bring colour changes
down to seconds.
Recent development has concentrated on liquid colours for PET, to meet the
huge demand from the packaging sector. Ferro's SpectraFlo Type 99 is opaque,
complementing its range of transparent colours, meeting FDA rules and offering
a rapid colour change at a let-down ratio of 1000:1. A clear-tint PET green from
Milliken is said to have advantages over other liquid pigment dispersions for PET,
with cost savings over pre-coloured PET.
6.2 Addition of Colorants
Originally, pigments were dispersed in plastics simply by dry blending in a
tumble-mixer - or in an oil drum. The plasticizing function of an extruder or
injection moulding machine also offered a reasonably good method of dispersing
a pigment but the penetration of plastics into more critical markets brought
demands for greater homogeneity and consistency. To achieve best results,
however, pigmented compounds need to be prepared before moulding, using
dedicated equipment such as a compounding extruder, or pigments must be
formulated as concentrates, in a form giving trouble-free mixing with virgin
material alongside the moulding machine.
Concentrates or masterbatches are consistent, simple, and safe. They usually
come in a granular form, in which the concentrated pigment is dispersed in a
polymer carrier (such as polyethylene) that is compatible with the matrix resin.
The let-down ratio is usually 0.5-2%, depending on colour, host material, and
part thickness.
The advantages claimed include cost savings due to less handling, quick
colour changes, savings with lower inventory and reduced storage
requirements, no pollution from colour particles in the air, and easy and clean to
use. Colour dispersion is so good that precise measuring and mixing are not
essential (but good screw back-pressure is recommended), while there is no
adverse effect on the physical properties of the host material.
A typical range will cover around 400 colours, with a minimum order
quantity of 25 kg, but some suppliers can supply down to 1 kg at a surcharge.
Colour matching can also be done, usually on a minimum quantity of 50 kg.
There are around 200 producers of colour masterbatch, the leaders being Cabot,
Schulmann, Ampacet, andFerro.
Whether the colour is added by a specialist compounder or by a good technical
processor, the quality depends on dispersion and match. The pigment is dispersed
by 'wetting' the particles with the resin, and the size and shape of the particles
are therefore of great importance, as also are the rheological properties of the
resin matrix. Apart from colour fidelity, good dispersion also plays a role in
đang được dịch, vui lòng đợi..
Kết quả (Trung) 2:[Sao chép]
Sao chép!
困难,特别是在加药阶段,但其受欢迎程度不断增长,而且
越来越明显,这是相辅相成的色母粒,而不是
与它竞争。它被广泛认为是最适合长期运行,在剂量
可以更容易控制,但最新的设备(如COLORTRONIC新lowrate
重量添加剂喂料机,Graviblend S)声称把颜色的变化
降低到秒。
最近的发展集中在液体颜色PET,以满足
从包装行业的巨大需求。Ferro公司的SpectraFlo 99式是不透明的,
补充了透明色的范围内,满足FDA的规则,并提供
快速的颜色变化在1000松懈下来:1的比例。从A清晰色调的PET绿色
米利肯据说有优于其它液体颜料分散体用于PET,
以节省成本预着色的PET。
6.2增加着色剂的
最初,颜料被简单地干混在一个分散在塑料
转鼓混合器-或者在油鼓。挤出机或塑化功能
注射成型机还提供分散的一个合理的良好方法
的颜料,但塑料的渗入更关键的市场带来了
更大的均匀性和一致性的要求。为了达到最好的效果,
但是,色素化合物需要成形前制备,使用
专用设备,如配混挤出机中,或颜料,必须
配制成浓缩物,在一种形式给予无故障的混合与处女
材料一起模制机。
浓缩或母一致,简单,安全。他们通常
进来的粒状形式,其中所述浓缩的颜料分散在
聚合物载体(例如聚乙烯),其与基质树脂相容。
在放料比通常为0.5-2%,取决于颜色,主体材料和
部分的厚度。
根据权利优点包括节省成本由于较少的处理,快速
的颜色变化,积蓄与降低库存并降低存储
要求,从颜色的颗粒在空气中没有污染,并且容易和清洁,以
使用。色分散体是如此之好,精确的测量和混合不是
必需的(但良好螺杆背压建议),而没有
对主体材料的物理性能产生不利影响。
典型的范围将覆盖约400的颜色,用最小起订
25公斤,但一些供应商的数量可以收费。供应下降1公斤
颜色搭配也可以做,通常在50公斤的最低数量。
有大约200名生产色母粒的,领导人是卡博特,
舒尔曼,Ampacet公司,andFerro。
无论颜色由专家混配或良好的技术添加
处理器,其质量取决于分散性和匹配。颜料分散
由“润湿”与树脂中的颗粒,并且该颗粒的尺寸和形状
,因此非常重要的是,因为也包括在的流变性质
的树脂基体。除了 ​​色彩保真度,良好的分散性也起着一定的作用
đang được dịch, vui lòng đợi..
Kết quả (Trung) 3:[Sao chép]
Sao chép!
困难,尤其是在定量阶段,但它的日益普及,它是
越来越清楚这是互补色母料,而不是用它来竞争
。它被认为是最适合长距离跑,在加药
可以更多的控制,但最新的设备(如丹卡勒多尼新Lowrate
重量添加剂饲养,graviblend S)声称带来颜色变化
到秒。
近期的发展集中在宠物液体的颜色,以满足包装业
巨大需求。spectraflo铁的类型99是不透明的,透明的颜色
补充其范围,在放下为1000:1,FDA的规则和会议提供
快速的颜色变化。一个清晰的色彩从宠物格林
据说米利肯在宠物的其他液体颜料分散体的优点,在预先节省成本

有色涤纶。6.2添加着色剂
最初,颜料分散在塑料中的混乱仅仅通过
混合干混或油鼓。塑化功能的挤出机或注塑机还提供
分散
合理的好方法但塑料颜料更为关键的市场带来了更大的均匀性和一致性要求
渗透。为了达到最佳效果,但色素化合物
,前需要准备成型,使用专用设备如
复合挤出机,或颜料必须
制定集中,形成一种惹麻烦的处女
自由混合在成型机的料。
浓缩物或母料是一致的,简单,安全。他们通常
来呈粒状,其中浓缩颜料分散在
聚合物载体(如聚乙烯),与基体树脂相容的失望。
比例通常为0.5-2%,根据颜色,基质材料,和厚度

部分。的优点包括节省成本由于不处理,快速
色彩的变化,降低库存,减少存储
要求储蓄,从空气中的有色颗粒无污染,易清洁,使用
。色散很好,精确的测量和混合不
必不可少的(但是好螺杆背压推荐),虽然没有
对基质材料的物理性能的不利影响。
典型范围将覆盖约400的颜色,至少有25公斤,但一些供应商
量,可提供1公斤下降到一堆。
配色做的还可以,通常在最低量50公斤
有。200生产色母粒,领导人是卡伯特,舒尔曼
,Ampacet,andferro
。颜色是否由专家筛选或通过良好的技术
处理器添加,质量取决于分散和匹配。颜料分散的润湿的
颗粒与树脂,和颗粒的大小和形状
都有重要的意义,同时也对
树脂基体的流变性能。除了色彩保真度,良好的分散性也起到了重要作用
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