When selecting paper coating materials, it's important to remember the characteristics of different types of stock. Uncoated paper has an uneven surface and produces a dull color. Also, as it dries faster, it's not as receptive to heavy ink. For this reason, uncoated stock is often the best choice for business stationery. Uncoated paper comes in a wide range of surface textures, including linen, laid, and wove.
Although biobased binders are an important development, most advances in paper coating technology have been incremental. In the last few years, a wide variety of new latexes has been introduced, enhancing barrier properties and film formation. Platy-mineral suppliers continue to focus on new generation products. But until biobased binders are available for packaging, most paper coating technology is still advancing incrementally.
According to Coherent Market Insights the Paper Coating Materials Market Global Industry Insights, Trends, Outlook, and Opportunity Analysis, 2022-2028.
The benefits of coated paper are well known. These sheets make printed materials more vibrant and shiny. They also prevent ink from bleeding. This is important for detailed images or complex designs. Coated paper is also more resistant to moisture, dirt, and wear. These characteristics make it an excellent choice for high-end business stationery and other products. However, it's not a good idea to rely on one type of paper for all of printing needs. Generally, there are two types of paperboard binders: starch and acrylic. Starch is a natural binder that is used as a cost-effective paper coating material. Acrylics are often used for packaging and specialty products, while starch is used as a binding agent.
One type of coated paper is called a gloss finish. It can be glossy, semi-glossy, or matte. Coated paper is used in high-end printing applications, and is ideal for the packaging industry. The smooth surface makes the paper durable and resistant to tears. There's no need to sacrifice quality for cost. There are many types of coated paper available, so choose wisely. The results will never be disappointing. Rapid population growth and changing demographic preferences are expected to drive growth of the paper coating materials market in Asia Pacific region.
The thermal stability of PDMS-coated paper was evaluated using thermogravimetric analysis. Initially, weight loss was attributed to moisture loss, however, between 200 and 270 degC, the coating was responsible for the decomposition of melamine and PDMS-NCO. The absence of peaks between the two temperatures indicates that there was no free melamine in the paper. It appears that this chemical reacted with the -NCO group of PDMS-NCO, which resulted in improved paper thermal stability.
Water-resistant paper coatings rely on the use of polysiloxanes, which are biocompatible and degrade to non-toxic silicate minerals. Many suppliers are working to improve the compostability of paperboard. While paperboard is recyclable, it cannot be composted if food-contaminated paperboard has been treated with waxes or fluorocarbons. Finding bio-based biodegradable paperboard alternatives is a real challenge for the paper coating materials industry.
With the increased demand for high-quality products, paper coating suppliers are investing significant R&D resources to develop new materials and formulations for paper. Half of the R&D budget is allocated to finding substitutes for ingredients that are either scarce or discontinued. Other cost-related research efforts aim to reduce drying times, improve processing speeds, and increase productivity. Some of these improvements are also expected to reduce energy costs.
