What is Reactint ® colorant?
About Us
Solving current global problems by combining science with design and insight. Every day, our community of innovators is encouraged by the challenge of finding creative ways to improve people’s quality of life and make the world around us easier, safer, more sustainable and more beautiful.
We are a leader in “knowledge-based” investments, employing more than 100 PhDs and accumulating more than 2,200 U.S. patents and more than 5,000 patents worldwide since our founding in 1865.
With 39 manufacturing facilities in the United States, United Kingdom, Belgium, France and China, and additional sales and service operations throughout the Americas, Europe and Asia, employees are committed to creating new customer experiences, building a better future and producing products that benefit society.
Reactint® colorants are a unique product developed by Milliken Chemical Company for coloring polyurethanes and other thermoset resins.
Reactint® colorants are reactive polymeric colorants that contain grafted polyol coloring groups. This allows Reactint® colorants to participate in the polymerization reaction of polyurethanes.
Reactint® colorants are the most widely used polyurethane coloring systems worldwide. Unlike pigment pastes, which are solid dispersions in the liquid phase, Reactint® colorants are 100% homogeneous liquids that are soluble in polyols and do not stratify, flocculate or settle over time.
Thanks to this pure liquid nature, Reactint® can be mixed in-line with other raw materials such as polyols when producing polyurethane foams or resins, allowing for color matching and color changes without downtime during production. Polyurethane manufacturers can easily match any color by having only five base Reactint® colors.
Why color polyurethanes?
Color is a very powerful tool in product marketing. At Milliken, we’ve always believed that color makes a better product, and that better color makes a better product. In polyurethane applications, color can be used to create industry value in the following ways.
Differentiation and customer appeal
– Color is a key differentiator in some markets
– Color can increase customer appeal
– Customers associate color with value
Color Associations
– Green = fresh, clean and naturally pleasing
– Pink = relaxed and inviting
– Purple = exotic and energetic
– Blue = Vibrant and gorgeous
– Orange = optimistic, happy and energetic
Industry Identity
– Narrow spacing
– Density identification
Benefits of using color
– Conceals stains, yellowing and surface damage
– Coordinates product and packaging colors
– Allows visual identification of products
– Consumers can associate color with the value of the product
Distinguishing effect and customer appeal
– Color is a key differentiator in some markets
– Color can increase customer appeal
– Customers associate color with value
Color Associations
– Green = fresh, clean and naturally pleasing
– Pink = relaxed and inviting
– Purple = exotic and energetic
– Blue = Vibrant and gorgeous
– Orange = optimistic, happy and energetic
Branding
– Color can link a brand and carry its image
– Color has benefited many successful consumer product companies
Why use Reactint® colorants?
Better color… Better cost efficiency
– High color intensity
Significantly higher than pigments by 3 to 5 times
– High cost effectiveness
Our color matching experts can mix the colors you need in the most cost-effective way.
– Reduced transitions from color switching High solubility for shorter color switching intervals
– Improves product quality
Eliminates problems common to high dose levels of pigments (such as voids, cracks and delayed onset)
– Reduces color inventory
Virtually any desired color can be made from just a few (3 to 5) Reactint® primary colors.
– Eliminate inventory of discarded products
Customize the colors you need, whenever you need them. Better pigments… Better product appearance and quality
– Deeper and more brilliant color effects
Very high additive levels can be added to achieve deep color effects without affecting the physical properties of the soft foam or resin.
– No color migration or color bleeding
Reactint® is involved in the polyurethane reaction regardless of color shade. It can be locked in the system and will not precipitate out.
– Reduces cracking, pinhole phenomenon
This low viscosity, high solubility colorant product helps reduce cracking that can occur in the production of polyurethanes
– Reduces scorch
Reactint® colorants do not contain harmful heavy metals (e.g., copper, iron, chromium, etc.) and will not cause scorching.
– No effect on polyurethane systems
Reactint® polymeric colorants become part of the polyurethane resin. They do not contain solid components that have a nucleation effect or invite cracking, pinholes; and they have minimal effect on the amount of catalyst added or sponge foaming.
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Why Reactint ® colorants?
Better pigments… Better manufacturing process and ease of use
– Easy to clean up
Dissolves in cold water
– No need for deliberate mixing
Homogeneous and polyol-soluble liquid, no settling
– Easy pump transfer and dosing
Low viscosity and high surface tension make Reactint® colorants a convenient color system to use at room temperature.
– Reduced equipment wear and tear
Unlike pigments, these liquid colorants are non-abrasive and will not damage, wear out pumps, nozzles, tank liners, etc.
– Versatility
The same Reactint® colorants can be used in both polyester and polyether systems.
– Product Stability
With each batch, Milliken adheres to the highest standards of operation and complies with ISO 9001 and 14001 certified product facilities to produce a consistent, top quality product.
– Small footprint
Only 5 primary colors are needed to intermix all other colors.
Pigment pastes can delaminate or settle REACTINT® colorants do not delaminate or settle
Why use Reactint® colorants?
Better pigments… Better service and support
– Fast Shipping
Material warehouses are available worldwide.
– Fast and cost effective color matching services
Milliken Color Lab’s fast color matching service and custom color product offerings
enables you to respond quickly to your customers’ unique color requirements.
– Color Development System Expertise
Milliken personnel have years of experience in running the Reactint® color system and are happy to assist you.
and will be happy to assist you.
– Experienced Global Sales Coverage Milliken’s global sales team is comprised of experienced chemists and chemical engineers.
– Worldwide technical support technical service and applications laboratories are located at regional headquarters in Spartanburg, USA; Ghent, Belgium; Singapore, Shanghai; and Sao Paulo, Brazil.
– A full range of analytical laboratories to support your needs including GC/MS; top space analysis; GC olfactometry; and UV aging analysis.
Product Selection
Better colors…better choices for you
– Main colors
Blue, Red, Yellow, Purple, Orange
Create virtually any color with these five primary colors.
– Custom Colors
Our color matching service can provide custom colors to meet your specific needs.
We can develop a specific color just for you.
– Standard Black
Several different black colors are available.
Color Dosing Options
The Reactint® in-line mixing system requires only a few cans of Reactint® master colors to produce a variety of colors without downtime while producing soft foam.
Batch Dosing System
Provide a convenient and accurate way to match colors for manual foaming processes
Reactint® in-line metering system
During the manufacturing process, colors are directly
added to the polyol. Our Values
We have always believed that prosperity must go hand in hand with responsibility. From the early 1900s, when we provided loans to rebuild textile mills destroyed by natural disasters, to the Great Depression, when our capital often served as the sole industrial backbone and job security for a small city, to the present, when we have adopted a sustainable approach to business that is decades ahead of the market, we have always done business with a higher purpose and a vision for the future.
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