Breaking News

New water based PSA described as groundbreaking

October 16, 2007

Rohm and Haas, of Philadelphia, PA, USA, has announced the development of a new water based acrylic adhesive, Robond Prohesion, designed for pressure sensitive tapes and other demanding applications traditionally served by solvent based adhesives.

Rohm and Haas, of Philadelphia, PA, USA, has announced the development of a new water based acrylic adhesive, Robond Prohesion, designed for pressure sensitive tapes and other demanding applications traditionally served by solvent based adhesives. The product exhibits characteristics and stamina never before seen or thought possible in an aqueous acrylic adhesive, according to the company.

“Water borne acrylic PSAs may have traveled a long way, but until now, solvent based choices have continued to dominate most higher-performance adhesive requirements,” says Chris Urheim, Rohm and Haas North American region marketing manager, pressure sensitive adhesives. “With Robond Prohesion, we have taken another significant leap forward in delivering a cost effective acrylic adhesive that doesn’t compromise performance. Feedback from our customers so far has been amazing.”

Shear adhesion and resistance properties of this new technology are said to be groundbreaking, Urheim says. “No other emulsion PSA has ever come close to the product’s heat resistance capabilities while retaining its level of adhesion. Tests indicate that Robond Prohesion withstands punishing hot shear tests at 150°F (62°C) for more than 50 hours, exceeding values of some solvent-based choices. In addition, the product’s humidity resistance is outstanding, eliminating a traditional shortcoming of aqueous systems. It retains more than 80 percent of its peel adhesion after prolonged exposure to moisture under severe conditions of 90 percent humidity at 95°F (35°C).”

For more information on Robond Prohesion, click here.
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