Adhesives

This article will first examine the reasons that external plasticizer modification may not be necessary with polyurethane adhesives and sealants. It will then review the possible value that can be achieved from using added plasticizers. The article... (Article)

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Glass transition temperature and storage modulus are two essential properties in controlling a pressure sensitive adhesive's performance. Elastomers often don't initially have properties that fit in the "PSA window" so they need to be combined with... (Article)

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This article will first review the advantages of acrylic / polyurethane hybrid waterborne sealant formulations, and the routes to producing a polyurethane / acrylic base polymer system. The article will then describe possible starting formulations... (Article)

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Until recently the lack of control in emulsion polymerisations has meant that most acrylic PSA formulation knowledge came from solution polymerisation. But recent improvements have meant better polymer size distribution (PSD) control, which... (Article)

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This article provides an overview of renewable additive materials that are being used and developed for use in biobased adhesives and sealants. The drivers and barriers are also reviewed in an effort to determine their commercial sustainability and... (Article)

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Epoxy adhesives are the longest-used, best known and among the most common structural adhesives in general use. Polyurethanes are much more flexible, tough and elastic, which helps when adhesive bonds are subjected to impact or peeling forces and... (Editorial)

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This editorial examines several processes that make it easier to reposition or debond substrates. The focus is on cling films that can adhere to a substrate without the use of adhesives. Practical applications include decorative wall coverings,... (Editorial)

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09/26/2011 - Düsseldorf / Germany

 Coinciding with the start of the new academic year, the fifth annual “Henkel Innovation Challenge” international student competition is set to begin. Students from all disciplines are invited to develop innovative ideas in teams of two. Participants have until December 12 to register at www.henkelchallenge.com.

09/26/2011 - Düsseldorf / Germany

Henkel announced today the appointment of Kathrin Menges as new member of the Management Board and Executive Vice President Human Resources.

09/29/2011 - Düsseldorf / Germany

With its new non-hazardous polyurethane hotmelt Purmelt MicroEmission Cool 3400 for perfect binding of books and brochures, Henkel is providing the first powerful adhesive with an application temperature of less than 100 degrees Celsius. This reduces energy consumption and significantly speeds up processes. The result is an extremely strong bond and reliable processing, even with low adhesive consumption.