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Sustainable release coating technology from Dow Corning for China delivers environmental, economic, and safety benefits

Published on 2007-11-23. Author : SpecialChem

MIDLAND, MICHIGAN, USA -- To meet the needs of China's label and tape industry for ecologically and economically practical release coating solutions, Dow Corning developed the world's first 100 percent solids silicone release coating for solvent-based application systems.

In its first year alone, Syl-Off® SL 7688 Silicone Release Coating has helped Chinese customers greatly reduce solvent use and waste, cut processing costs, reduce energy use, improve safety, and increase productivity.

Syl-Off SL 7688 Silicone Release Coating is a solvent-free product designed specifically for the China market, where solvent-based silicone release coating systems are still widely used. Traditional solvent-based release coatings contain up to 30 percent silicone. Additional solvent is added until solid content reaches 4 to 5 percent during processing, and, unless optional pollution control equipment has been installed, much of that solvent is subsequently discharged into the air.

There is growing concern in China about the negative effects solvents can have on health, safety, and the environment. This, coupled with the global increase in crude oil prices and resulting increases in the price of solvents used in release coating operations, has created the need for a practical, economical alternative.

The new 100 percent solids silicone coating from Dow Corning enables the region's customers to continue using proven solvent-based application methods but with much less added solvent. Since the product was introduced in 2006, Chinese customers have reduced their reliance on solvents by as much as 70 percent. They have also reduced their processing material costs by as much as 10 to 30 percent, and saved more than 2,400 tons of solvent waste from being discharged into the environment.

Additionally, users of SL 7688 Silicone Release Coating have saved energy, improved process efficiency, and increased productivity through the coating's fast, low-temperature cure performance. The product is also safer and less costly to transport, store, and handle than traditional solvent-based coatings.

According to Dr. Alex C. Kuo of Dow Corning's Pressure Sensitive Industries group, "Syl-Off SL 7688 Silicone Release Coating addresses a wide range of the cost-saving, productivity, safety, and environmental protection issues our customers in China are facing today. It illustrates both our ability to customize our proven technology to meet local needs and our company's global commitment to sustainability."

Dr. Kuo further stated, "With innovative, waste- and pollution-reducing technologies like SL 7688 Silicone Release Coating, we are helping our Chinese customers prepare for the future and improve the quality of life in China today."

Dow Corning offers a comprehensive line of silicon-based release coatings and adhesives for pressure-sensitive applications. Products are available worldwide. Local technical support and customer service are available globally as well. The company also provides unique material and service solutions designed to help customers expand into new markets, grow their business, and succeed.

About Dow Corning

Dow Corning provides performance-enhancing solutions to serve the diverse needs of more than 25,000 customers worldwide. A global leader in silicon-based technology and innovation, offering more than 7,000 products and services, Dow Corning is equally owned by The Dow Chemical Company and Corning, Incorporated. More than half of Dow Corning's annual sales are outside the United States. Dow Corning and Syl-Off are registered trademarks of Dow Corning Corporation.

Source: Dow Corning


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