Dispersions for Paper Coating - MyIndustryWorld - BASF

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● Fillers

Fillers are present in WBBC in the form of a pigment either made from a singular or sometimes multiple sources. The sources include precipitated or ground calcium carbonate, kaolin, or talc.

The fillers present in the pigment form are to make the liquid WBBC runny and help in the easy application of the liquid on the paper. Fillers improve the barrier performance and improve the product economy.

Water-based barrier coating uses a dispersion technique to coat paper. The liquid WBBC is placed over the paper in a skinny layer using blade coating, surface sizing, or curtain coating units on an online board machine. The exact process can also be performed on an offline machine using similar technology. The number of layers applied on the paper directly corresponds to the use of the final product and the number of characteristics the final product needs to have.

The coating process for WBBC differs from that of other paper coating agents as it is not made from plastic. For plastic-based coating solutions, the mix needs to be heated and melted to create the liquid, applied in layers over the paper. Since WBBC is water-based, there is no requirement to heat and melt the material to begin coating.

The process begins with the aqueous solution being applied over the paper in a thin layer. After the coating is complete, the paper is dried, and the water is evaporated off the surface. After the water is evaporated, the paper becomes hydrophobic and able to hold water without any problems.

The technique used in applying WBBC over the paper can significantly impact the finished product. The thickness of the WBBC coating and the drying of the paper can also impact the hydrophobic performance of the coated paper. For example, if WBBC was applied on the paper using a curtain method, it guarantees equal thickness of WBBC coating throughout the paper. On the contrary, if the application was made using the blade coating process, it guarantees a smooth coating over the paper.

• Market Penetration & Availability of Technology

There are recycling plants that can recycle coated paper products without segregating them. However, the number of such plants is few and far between.

This is because even the technology they use to achieve this feat is unavailable to most other plants.

Or in some cases, the technologies are specialized and expensive, which other plants in different parts of the world might not be able to afford.

•  Cost Of Recycling

If the technology is available to recycle coated paper products, then other recycling plants should try to incorporate these technologies in their process, right? Yes, but also no.

The cost of recycling coated paper products increases exponentially when you incorporate new machinery and other processes required to recycle them.

When compared with the value and cost of the raw materials of the coated paper products, it does not justify putting so much investment in recycling the products.

The company is the world’s best Barrier Coating for Paper supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

So recycling plants mostly don’t have enough incentive to recycle coated paper products and instead send them to landfills.

There are various uses of water-based barrier coating paper products, but it is mainly used in the food industry for making disposable food packaging.

WBBC is chemically inert and does not influence or impact the taste or smell of the contents in its packaging. These factors make WBBC coating perfect for use in the food industry.

Most of the individual elements used for making WBBC is cleared by the FDA and other governmental authorities for direct food contact. Some of the most common applications of WBBC are mentioned below.

• Disposable paper cups
• Ice cream boxes
• Microwavable food packaging
• Disposable folding box
• Disposable food containers
• Disposable food serving trays
• Food wrappers
• Disposable paper tableware
• Paper pads
• Disposable dairy packaging
• Disposable meat packaging
• Cheese packaging
• Any other food packaging requirement that requires high oil and grease resistance properties

• Plastic-Free 

Today, everyone knows that plastic is terrible for the environment, and everybody wants to make a change and replace plastic with other products, but it is challenging to do.

Even though we are not yet in a position to replace and remove plastic from the environment altogether, the use of WBBC can guarantee that customers can stop plastic use in the food packaging industry at least.

WBBC ensures that the eco-friendly packaging you get with your favorite takeout food is genuinely sustainable and eco-friendly.

Awareness among recyclers, consumers, and businesses can genuinely help WBBC reach its true potential and bring meaningful change.

It has some of the best benefits in terms of paper coating agents, and it is expected that awareness alone among people can help make it the following standard of paper coating agents.

So, be sure to spread awareness about WBBC to the people you know, and take a moment to ask companies what containers they are using to serve you your favorite food.

With your interest and diligence, companies will be incentivized to make a meaningful change towards eco-friendly and sustainable products, so make sure you use your voice when it matters for a better world tomorrow

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