difficulties, particularly at the dosing stage, but its popularity is  dịch - difficulties, particularly at the dosing stage, but its popularity is  Việt 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
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Kết quả (Việt) 1: [Sao chép]
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difficulties, particularly at the dosing stage, but its popularity is growing and it isbecoming clear that it is complementary to masterbatch, rather than incompetition with it. It is widely considered best suited to long runs, where dosingcan be more controlled, but the latest equipment (such as Colortronic's new lowrategravimetric additive feeder, Graviblend S) is claimed to bring colour changesdown to seconds.Recent development has concentrated on liquid colours for PET, to meet thehuge demand from the packaging sector. Ferro's SpectraFlo Type 99 is opaque,complementing its range of transparent colours, meeting FDA rules and offeringa rapid colour change at a let-down ratio of 1000:1. A clear-tint PET green fromMilliken is said to have advantages over other liquid pigment dispersions for PET,with cost savings over pre-coloured PET.6.2 Addition of ColorantsOriginally, pigments were dispersed in plastics simply by dry blending in atumble-mixer - or in an oil drum. The plasticizing function of an extruder orinjection moulding machine also offered a reasonably good method of dispersinga pigment but the penetration of plastics into more critical markets broughtdemands for greater homogeneity and consistency. To achieve best results,however, pigmented compounds need to be prepared before moulding, usingdedicated equipment such as a compounding extruder, or pigments must beformulated as concentrates, in a form giving trouble-free mixing with virginvật liệu cùng với máy đúc.Tập trung hoặc masterbatches là nhất quán, đơn giản và an toàn. Họ thườngđến trong một hình thức chi tiết, trong đó các sắc tố tập trung phân tán trong mộtpolymer tàu (chẳng hạn như polyethylene) tương thích với nhựa ma trận.Tỷ lệ để cho xuống thường là 0,5-2%, tùy thuộc vào màu sắc, máy chủ lưu trữ tài liệu, vàmột phần dày.Những lợi thế tuyên bố bao gồm tiết kiệm chi phí do xử lý ít hơn, nhanh chóngmàu sắc thay đổi, tiết kiệm với hàng tồn kho thấp và giảm líyêu cầu, không có ô nhiễm từ màu hạt trong không khí, và dễ dàng và sạch sẽ đếnsử dụng. Màu phân tán là như vậy tốt rằng đo chính xác và pha trộn khôngthiết yếu (Tuy nhiên, chúng tôi đề nghị tốt vít trở lại-áp lực), trong khi có không cóảnh hưởng xấu đến các tính chất vật lý của tài liệu lưu trữ.Một phạm vi điển hình sẽ bao gồm khoảng 400 màu sắc, với một trật tự tối thiểusố lượng của 25 kg, nhưng một số nhà cung cấp có thể cung cấp xuống 1 kg tại một phụ phí.Màu sắc kết hợp có thể cũng được thực hiện, thường trên một số lượng tối thiểu 50 kg.Có khoảng 200 nhà sản xuất của màu sắc masterbatch, các nhà lãnh đạo là Cabot,Schulmann, Ampacet, andFerro.Cho dù màu sắc được thêm vào bởi một chuyên gia compounder hoặc bằng một kỹ thuật tốtbộ vi xử lý, chất lượng phụ thuộc vào phân tán và kết hợp. Các sắc tố phân tánbởi 'làm ướt' các hạt nhựa, và kích thước và hình dạng của các hạtlà do đó rất quan trọng, như cũng là các thuộc tính lưu biến của cácnhựa ma trận. Ngoài màu sắc độ trung thực, sự phân tán tốt cũng đóng một vai trò trong
đang được dịch, vui lòng đợi..
Kết quả (Việt) 2:[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
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