Application of bio based resin in powder coatings

The wide range of powder coatings is constantly advancing. These bright and durable paint products have largely replaced the traditional liquid paints and coatings originally applied to household appliances, car parts and many consumer goods.

Even if it has occupied some shopping malls, there are still great shopping opportunities for bio based powder coatings. Now, powder coating is mainly used on metal substrates because of its excellent conductivity and heat resistance. At lower temperatures, powder coatings can still be cured and safely and successfully applied, which enriches our product category.

Together with this, customer demand and regulatory pressure are promoting manufacturers to make their products as environmentally friendly and sustainable as possible in the manufacturing process. Renewable bio based materials instead of petroleum based resins will make this technology better and even more attractive than liquid coatings.

So far, bio based powder coatings have not accounted for a large proportion of shopping malls, mainly due to the consideration of function and cost. However, in the latest research on bio based coatings, this trend may change soon. The company is developing a bio based resin, which can be cured at low temperature and can be used for wood, medium density fiberboard (MDF) and a variety of plastics.

Another shade of powder paint

Powder coating has long been considered as a green technology because of its low consumption and emissions. However, most powder coatings still rely on petroleum based resins. If bio based resins are used instead, the sustainability of products will be improved, and then the fear of customers and similar regulatory arrangements will probably be eliminated.

Bio based resins give manufacturers many benefits: customer value: more customers care about the sustainability of the materials used in the products they buy. Bio based resins allow manufacturers to supply customers with products that match their value. In addition, projects such as the "bio priority" acquisition plan of all continents and federations, and the internationally influential building LEED (building green energy and environmental planning forward award) have provided encouraging methods for customers to use materials and products with better sustainability.

Stable price: in the early history, the price of chemical materials based on oil has always been significantly less determined than that of crude oil. For example, the price of biomaterials such as soybeans and soybean oil has always been stable in early history, except that bio based diesel disrupted shopping malls in 2008, causing prices to soar in a short time.

Attention to environment and regulation: turning to biomaterials can help the company complete its environmental protection policy and prepare for future disposal regulations. The origin of bio based materials is more sustainable, and the overall concern about environmental protection may be less. In addition, turning to bio resins has the opportunity to benefit from the process improvement and benefit advancement in powder coatings.

However, these interests alone cannot persuade most manufacturers to make changes. In order to achieve a huge proportion of shopping malls, biological powder coating will have to beat two additional obstacles.

Value: raw materials and production costs need to be low enough to make the price of bio based materials competitive with the price of existing oil substitutes (assuming a higher price) unless it can be proved to be worth the money. Now, the operation is in the situation of "chicken and egg": because of low demand, the supply chain and manufacturing process have not been opened to make the price of bio based materials equal to that of petroleum based products, which is enough to produce economic planning. Function: Bio based resin is necessary to be similar to or better than petroleum products in hardness, durability, color saturation, gloss, color stability and other functions. Many people checked the production of bio based powder coatings in the early stage, but failed because they did not meet the expected functional needs.

Previously, we have always tried our best to defeat these challenges and created a new bio based powder coating, which is competitive with petroleum based products in terms of price and function. The first battle is about function: Bio based products will not be selected for this operation until its function is proved to be appropriate or superior to existing products. Once the function problem is solved and the production planning is expanded to the industrial planning, the resin and formula prices of powder coatings are estimated to be reduced to the planning similar to petroleum based products.

Bio based resins have the potential to supply higher functions or new features, which petroleum based resins cannot supply at present. Although progress has been made in the selection of UV curable low-temperature petroleum based resins, this problem has not been adequately addressed so far. Bio based resin has the functional characteristics of lower temperature, which makes it more suitable for thermal applications. Under the curing condition of lower temperature, the bio based formula will successfully expand the product planning that can use powder coatings, and provide a robust driving force for manufacturers to choose to produce bio based products.

Nanjing Powder New Material Co., Ltd. is specialized in producing various epoxy powder coating, epoxy polyester powder coating, polyester powder coating, flat powder coating, texture powder coating, functional powder coating, polyurethane powder coating, acrylic powder coating and other powder coating products.

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