As a maker of color concentrates for a variety of polymeric
products, exact color matches, lot-to-lot consistency, and color stability are
extremely important to our customers. By having Americhem manufacture color
concentrates (also known as masterbatches) for use in their manufacturing
process, they are counting on us to handle critical aspects of coloring and
maintaining color for their products.
We often hear people that
misunderstand our part in the value chain and think that we make pigment.
Dictionary.com defines a pigment as: 1. a dry insoluble substance, usually pulverized,
which when suspended in a liquid vehicle becomes a paint, ink, etc. or 2. A
coloring matter or substance.
Although Americhem uses pigments in our products, our masterbatch products can best be defined as a high concentration of pigments and additives encapsulated by a polymer. Instead of powdered pigments that are messy and must be cleaned from every surface that they touch, our masterbatches are most often made in pelleted form, like the picture you see here, and can be made as pellets and beads of differing sizes depending on what’s best for our customer’s manufacturing process.
You might ask if pigments alone can be added during the plastics
producing process and the answer is yes. But it certainly isn’t what most
plastic and synthetic fibers producers really do. Adding pigment by itself to
these products does not disperse well in their equipment. Masterbatch is designed
and engineered for optimal dispersion in a polymer matrix. Therefore, products
made with masterbatch are consistent with one another and consistent from lot
to lot, and even within lots. Masterbatches will give your products the
ultimate opacity or transparency, depending on the desired effect. You realize full
color value in your products because of the optimal dispersion of the pigment
particles. You will also use less pigment when it’s delivered in masterbatch
form because of masterbatch’s optimal, pure dispersion.
There are other advantages to color concentrates. Raw pigment can become
airborne in manufacturing plants, contaminating other products being made on
other manufacturing lines. Color concentrates are much easier to feed and handle
during the manufacturing process. You can also match up the polymer you are
coloring with the same polymer binder in the masterbatch for better melt processing.
And because we make additive concentrates as well as color, we can create an
all-in-one, multi-attribute masterbatches containing color and your choice of
functional additives such as UV stabilizers, antioxidants, flame retardants and
optical brighteners. So instead of having to feed many ingredients into your
plastic processing equipment, you could use just one concentrate with
predetermined ratios of ingredients to make your life a whole lot easier.
It has been said that masterbatch can be compared with Kool-Aid. A
packet of Kool-Aid contains concentrated color and ingredients that give the
drink flavor and aroma. When mixed with sugar and water (which are comparable
to the polymer in plastics) these ingredients disperse evenly throughout the
pitcher, making a drink that looks, smells and tastes great.
Consider Americhem your color and additives expert. If you’d like to
explore other aspects of color, join the conversation and let us know by
leaving a comment.
Scott Blanchard
Corporate Marketing & Communications Manager
Scott Blanchard
Corporate Marketing & Communications Manager