Industry News

Dow Corning offers technical seminar at Adhesion ’05

Published on 2005-08-23. Author : SpecialChem

MIDLAND, MICHIGAN, USA - Dow Corning Corporation, a leading global supplier of silicone products and services, will offer a technical seminar about low-temperature bonding using organosilanes at Adhesion '05 - the Ninth International Conference on the Science and Technology of Adhesion and Adhesives in Oxford, UK.

Adhesion Senior Specialist François de Buyl, from Dow Corning's Surface and Interface Solutions Center (SISC) in Belgium, will present Wednesday, September 7, 2005, at 5:10 p.m. The paper, "Silane Molecular Glue Layers for a New Low-Temperature Bonding Technology," describes the optimization of bi-component organosilane adhesives as a new, innovative method to assemble any kind of flat surfaces - provided they contain oxides and hydroxyls groups - at room to moderate temperature.

Many devices (microchips, gas or biosensors, micro-fluidics, mems, etc.) require the bonding of different materials to work properly and reliably. However, many existing bonding techniques require elevated temperatures, UV irradiation, high voltage and/or high pressure. "These techniques fall short in terms of efficiency when the wafers are covered with sensitive biological molecules or cells, which would immediately be destroyed under these conditions," explained de Buyl.

According to de Buyl, the dual organic-inorganic character of organosilanes includes a wide variety of molecules that react with water or moisture adsorbed on a surface to form silanols. These silanols can then react with other silanols to form a stable siloxane bond. In the presence of hydroxyl groups at the surface of glass, minerals or certain metals, silanols will form stable bonds. "This is the key chemistry that allows silanes to function as valuable surface-treating or coupling agents," he said.

"I think the use of organosilanes in low-temperature bonding applications offers some very exciting opportunities to the industry," de Buyl said. "Our staff of researchers and scientists at Dow Corning are looking forward to exploring this technology further and using it to develop innovative application solutions for our customers."

After joining Dow Corning in 1991, de Buyl helped develop silicone sealant applications for customers in the construction, automotive and electronics industries. Since 2004, he has been assigned to Dow Corning's SISC, where he directs the development of innovative adhesion technology solutions for plastic, rubber, sealant, adhesive and coating applications. He holds a PhD in Organometallic Chemistry from the University of Brussels, Belgium, and a Master's of Science (MSc) in Advanced Materials Technology from the School of Engineering, University of Surrey, Guildford, UK.

About Dow Corning

As the pioneer of organosilane technology, Dow Corning has been improving customers' products and profitability for more than 50 years. With a full range of silanes product, formulation and application solutions, and rededicated global reach, reliable supply and world-class manufacturing operations, Dow Corning can meet virtually any company's silicone needs through its total solution offering and technology leadership.

About Adhesion '05

The themes of the conference program will cover all aspects of the science and technology of adhesion and adhesives including:

  • Adhesion and Surface Pretreatment
  • Durability
  • Modeling
  • Toughening and Matrix Properties
  • Fracture, Failure and Stress Analysis
  • Mechanical Testing
  • Non-Destructive Testing
  • Joint Design

Adhesion '05 is being coordinated by the Society for Adhesion and Adhesives and will be held September 7-9, 2005, in the Bernard Sunley Building, St. Catherine's College, Oxford, UK.

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 that offers 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.

Source: Dow Corning

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