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High-performance weathering powder coating colours

Weathering of Complex Inorganic Colour Pigments in Powder Coatings

In the previous article of our three-part series, we discussed the control of colour in powder coatings. In the last of the series, we discuss weathering variables for powder coatings.

Powder coatings are an environmentally friendly way to apply coatings to a wide range of substrates for a number of uses. One of the most demanding applications is for building materials in aggressive environments. All the variables that lead to degradation of coatings – heat, ultraviolet (UV) light, moisture, oxidation agents, and chemicals along with simple physical abuse – are present. For these applications, the highest performance components have to be used, if specifications such as those prescribed by American Architectural Manufacturers Association (AAMA) 2605 are to be met. Part of the equation is the resin used while the other is the colorant.

Read the entire article by Mark Ryan in the December edition of Polymers Paint Colour Journal here and read Article 1 and 2 via the links below.

Read Article 1 of this 3-part series: High-performance colour pigments for powder coatings

Read Article 2 of this 3-part series: Controlling colour with high-performance inorganic pigments

Blue 10C595

Watch the video to learn more about Blue 10C595 and why it’s no ordinary blue.

Brown 30C888, Orange 30C342, and Yellow 30C236

Fall brings beautiful colors to our environment, reminding us of our many colorful pigments complimenting this time of year. Watch the video to learn more about Brown 30C888, Orange 30C342, and Yellow 30C236.

Pigments That Stand the Test of Time

As regulatory pressures increase and sustainability gains more and more attention, some of the older complex inorganic color pigment chemistries really show their usefulness. A range of aesthetically pleasing and naturally soothing brown to yellow pigments have been workhorses in coatings and plastics applications – because of their regulatory friendly position, performance, and inertness – for years.

These three Shepherd Color pigments, BR19FDA, YL20P296, and BR10P858, are based on an iron, aluminum, and titanium oxide and provide unique properties. Their inertness comes from their high temperature calcination that makes them so unreactive and non-migrating that BR19FDA is FDA compliant with use in cookware coatings and packaging. This pigment gives powder, ceramic and silicone based coatings for cookware a warm home kitchen shade of golden brown. The inertness also gives them excellent weathering properties for building materials covered with high-performance coatings.

In addition, their excellent dispersion properties gives formulators the browns that are controllable during the pigment dispersion step, with a simple color development property. By making a brown with one pigment instead of a standard white, black, red (or more) pigment blend, the chances of odd weathering results are reduced because of the different pigments used in the color match weathering at different rates.

Yellow 20P296 provides a standard pigment for coloring engineering polymers who processing temperatures rule out organic or iron oxide pigmentation. Brown 10P858 has a pleasing chestnut brown color that can be used to mimic natural colors for engineering polymers for car interiors or plastic lumber coloring.

These complex inorganic color pigments provide unique properties: higher heat resistance than zinc ferrites, higher tint strength than PBr24 chrome antimony titanates, and are not SARA 313 regulated. They also make a great basis for color matching artificial turf, but without the zinc regulatory issues involved with zinc ferrite-based pigmentation.

 

Download the PDF here to learn more about these three Shepherd Color pigments, BR19FDA, YL20P296, and BR10P858.

 

Need technical data on these pigments? Find it here: BR19FDA, YL20P296, BR10P858

ARTICLE: Pigments move beyond aesthetics

In the September issue of Compounding World, ‘Pigments move beyond aesthetics’ reviews the latest developments in pigments for plastics. Market demands go well beyond aesthetics, and provide answers to environmental questions. The trend to substitution of heavy metals, through the use of new inorganic and organic pigments, and the growing interest in pigments derived from renewables. From regulatory drivers to recycling and sustainability, this article takes a look at some of the latest moves by pigment suppliers to the plastics industry. Read the entire article here.

Mentioned in this article is our new Black 10P925 product, a cost-effective IR Black colorant for packaging that can reflect IR wavelengths in recycling sorting facilities. Read more…

Controlling colour with high-performance inorganic pigments

Dispersion of Complex Inorganic Colour Pigments in Powder Coatings

In the previous article of our three-part series, the general properties of high-performance pigments, complex inorganic color pigments (CICPs), were discussed. This article touches on controlling the colour in powder coatings using the dispersion properties of CICPs. These high-performance pigments give controllable colour because the relatively higher use-rates as compared to organic pigments allow more advantageous mixing ratios. This can be demonstrated in the tinting of near white colours. Stability is beneficial if the powder coating needs to be re-extruded to correct for other colourants performance.

Read the entire article by Mark Ryan in the August edition of Polymers Paint Colour Journal here and be on the look-out for the next article later this year.

Read Article 1 of this 3-part series: High-performance colour pigments for powder coatings

State of the High Performance Pigments Market in the Wake of COVID

(Excerpt from Compounding World August 2020 Issue) The market for high-performance pigments (HPP) faced a challenging year. In addition to slower demand in the automotive market and raw material issues, the HPP market was impacted in early 2020 by the COVID-19 pandemic.

“High-performance pigments grew in all chemistries around the globe,” added Mark Ryan, marketing manager, The Shepherd Color Company. “Functionality for applications like IR sorting of recyclables found cutting edge uses for CICPs. The improved RTZ Orange products and all-new NTP Yellow continued to see large year-on-year gains. Interestingly, the unique NTP Yellow sales were driven by the easily-dispersed Dynamix product known as Yellow 30C152. We see this ‘stacking’ of technology – a chromatic, durable, and opaque patented pigment chemistry with Shepherd’s unique Dynamix easily-dispersed modification as the future of HPPs.”

To read the entire article by Kerry Pianoforte, Editor for Compounding World, click here.

High-performance colour pigments for powder coatings

Durable, Functional and Colourful

Complex Inorganic Colour Pigments (CICPs) provide interesting options for demanding applications for powder coatings. CICPs provide durable colour that can stand up to the most challenging and aggressive processing and applications. Recent advances have found that besides colour, these pigments have properties that give them the ability to address regulatory requirements and give not only colour, but functional properties.

Read the first article of our three-part series by Mark Ryan in the April edition of Polymers Paint Colour Journal here.

Read Article 2: Controlling colour with high-performance inorganic pigments

PRESS RELEASE: The Shepherd Color Company Announces Their Newest Addition to the NTP Yellow Product Portfolio

FOR IMMEDIATE RELEASE

(CINCINNATI, OH, April 18, 2019) Shepherd Color is excited to announce the newest addition to their NTP Yellow product portfolio, NTP Yellow 10G155. This new product brings the outstanding color, opacity, and durability that people have seen in NTP Yellow, but further expands the durable color envelope to new applications.

Paint and coatings chemists, formulators, and color matchers face many challenges and options for coloring in the yellow color space. A wide range of pigment chemistries are available with different levels of opacity, durability, chromaticity, and economics. These four properties are often antagonistic to each other, forcing a compromise on two or more of these key properties. At the same time, historical pigments like lead chromate are facing increasing regulatory pressure and are being formulated out of products.

The yellow color space has a wide range of pigment options that have a balance of chromaticity, opacity and durability. The new NTP Yellow (PY227) brings bright chromatic color, high opacity, and excellent durability all at the same time. This has lead a plastics engineer to call it ‘bullet-proof” colorant. To complement the NTP Yellow, improvements of the RTZ Orange (PY216) yield a true orange color unto itself, but also allows the addition of “a* value” or redness to color matches without compromising weathering or heat stability.

Color matches that used to depend on blends of organic and inorganic pigments can now be matched with all inorganic pigments for the ultimate in durability and a true expansion of the durable color envelope.

The NTP Yellow and RTZ Orange are compatible with a wide range of polymers in coatings and plastics for use in a wide range of applications, such as:

  • Pre-painted coil and extrusion
  • Engineering polymers
  • Laminates and co-extrusions
  • Powder coatings
  • Architectural and façade coatings

Shepherd Color’s newest addition to their NTP Yellow product portfolio, NTP Yellow 10G155, brings the outstanding color, opacity, and durability that people have seen in NTP Yellow, but in a color shade closer to red-shade bismuth vanadate (PY184) pigments. It has higher heat stability and excellent weathering properties. Other key features of Yellow 10G155 include: inertness to acids, bases, solvent and UV, no chromium or lead in the formulation, halogen-free, and non-warping in polyolefins.

To learn more about NTP Yellow 10G155 or request a sample, please use the following form and a representative will be in touch with you.

You may also find other colors from our product portfolio here.

 

ABOUT THE SHEPHERD COLOR COMPANY
Founded in 1981, The Shepherd Color Company produces a wide range of high-performance Complex Inorganic Color Pigments (CICPs) used in a variety of industries. These pigments are an extraordinary class of inorganic pigments that offer stable, long-lasting color for many applications. They have unbeatable weatherability, heat and chemical resistance, are non-warping and easy to disperse. More Expertise. Better Performance. Best Value. That’s Shepherd Color.

Media Contact:
Mark Ryan, Marketing Manager
513.874.0714
mryan@shepherdcolor.com

 

The Shepherd Color Company Attending the 2019 Middle East Coatings Show

The Shepherd Color Company will be attending the 2019 Middle East Coatings Show (MECS) in Dubai February 26-28, 2019.

With more than 5000 attendees, MECS is the only dedicated coatings event in the lucrative Middle East and Gulf region for suppliers of raw materials and equipment manufacturers for the coatings industry. The Shepherd Color Company is the world’s leading producer of CICPs (Complex Inorganic Colored Pigments). These pigments are used to color coatings for the most demanding applications where heat, UV, and overall inertness is critical. Shepherd Color pigments are the standards for high-heat, coil & extrusion, and industrial/marine coatings.

To learn more about Shepherd Color and our high-performance pigments, visit Shepherd Color at booth H12 at the MECS in February 2019.