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NewmanHarvey
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
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Q
difference between pigment dye and reactive dye
NewmanHarvey
ChesterBloor
Release Time:
2024-04-16 11:44:01
Pigment dyes and reactive dyes are both used in coloring fabrics but differ significantly. Pigment dyes are insoluble and adhere to the fabric surface through a binder, making them less durable and prone to fading over time. They are easier to apply and suitable for a wide range of fibers but offer less vibrant colors. On the other hand, reactive dyes chemically bond with fiber molecules, resulting in vivid colors that are more wash-fast and durable. They are primarily used with cellulose fibers like cotton and require a more complex dyeing process involving a higher temperature and a neutral or alkaline pH. Reactive dyes are preferred for their colorfastness and vibrancy but are typically more expensive and time-consuming to apply compared to pigment dyes.
0
Q
what is photochromic pigment
NewmanHarvey
AuroraLeopold
Release Time:
2024-04-07 17:57:45
Photochromic pigment is a type of material that changes color when exposed to ultraviolet (UV) light. The pigment molecules subtly alter their structure when they absorb UV light, which results in a change in the visible color of the material. Once the UV source is removed, the pigments gradually return to their original state, making the process reversible. These pigments are commonly used in eyewear lenses to provide automatic sun protection, in textiles for dynamic fashion designs, and in various novelty items to add interactive visual effects. Their ability to change color dynamically offers great potential for innovation in design and functionality in materials science.
0
Q
difference of pigment and dye ink
JacobWilliam
NewmanHarvey
Release Time:
2024-04-07 17:28:40
Pigment and dye inks differ primarily in their composition and behavior on surfaces. Pigment ink consists of tiny particles that sit on top of the paper, making it more water-resistant and less prone to fading over time. This ink is ideal for printing on glossy surfaces and is favored for archival purposes due to its longevity. On the other hand, dye ink is absorbed into the paper, which allows it to provide more vibrant colors than pigment ink. However, it is more susceptible to fading and water damage. Dye inks are often preferred for everyday printing needs and are more cost-effective. Each type has its advantages depending on the usage – pigment inks for durability and longevity, dye inks for color vibrancy and cost-efficiency.
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