SpecialChem4Adhesives.com Articles and Editorials in Adhesives & Sealants

Low-Viscosity Polyurethane Prepolymers for Use in Adhesives

Wed, 10 Mar 2010 00:00:00 +0100

The need to keep down levels of volatile isocyanate emitted from polyurethane adhesives often makes them highly viscous. There are ways around this, however, that as well as lowering viscosity can also improve adhesion to low surface energy... (Article)

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Hot Melt Raw Material Availability

Wed, 10 Mar 2010 00:00:00 +0100

Backbone polymers, tackifiers and waxes all face availability issues in 2010. Moves to lighter feedstocks for cracking, increased demand and reduced supply of other raw materials look set to create a challenging year for hot-melt producers. Some of... (Editorial)

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Polyurea Adhesives and Sealants

Wed, 24 Feb 2010 00:00:00 +0100

This article provides an introduction to polyurea chemistry. It reviews the advantages and disadvantages of these interesting polymers in adhesive and sealant applications. Formulation principles are given to achieve adhesive and sealant products... (Article)

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On-Line Monitoring of Polymerization Processes

Wed, 24 Feb 2010 00:00:00 +0100

This editorial describes developments that are taking place in on-line methods of tracking and controlling polymerization processes. Focus is given to a relatively new process (at least for thermoplastics) and one that appears to be very useful –... (Editorial)

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Tapping Trees for Adhesive Raw Materials

Wed, 10 Feb 2010 00:00:00 +0100

Talking about "tapping trees" for raw materials might still bring to mind 18th century scientists, exploiting the rubber ooze to make elastomeric adhesives. However waste from lumber mills can produce lignin- or tannin-based adhesives for wood... (Editorial)

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High Solids Adhesives and Their Fillers

Wed, 10 Feb 2010 00:00:00 +0100

Increasing concern about volatile organic compound emissions, embodied in building standards like LEED and Greenguard, are encouraging the uptake of high-solids adhesives. Use of surfactants and other stabilizers allow fillers to supplement the high... (Article)

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Medical Adhesives – Part 2: External & Internal Medical Applications

Wed, 27 Jan 2010 00:00:00 +0100

According to a recent report from the Freedonia Group, demand for medical and dental adhesives and sealants in the US is forecast to rise 7.6% per year to $1.8 billion in 2011 (from $1.3 billion in 2007 and $1.5 billion in 2009). The best... (Article)

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ICF Interview: Initiative Towards Sustainable Solutions From An Adhesive Formulator Involved Into The Shoe Industry

Wed, 27 Jan 2010 00:00:00 +0100

Industrie Chimiche Forestali (ICF) has been engaged since 1918 in the production and trading of adhesives dedicated to the Footwear Industry. ICF is at the forefront of the shoe market in term of environmentally-friendly materials. The Merquinsa... (Article)

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Soybean Adhesives

Wed, 13 Jan 2010 00:00:00 +0100

This article will focus on the use of soybean proteins in adhesive systems. The major market opportunity is as a wood adhesive or as a binder in the manufacture of wood composites in the construction industry. Currently much attention is being paid... (Article)

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Alternatives to Toughening

Wed, 13 Jan 2010 00:00:00 +0100

This editorial describes various technical alternatives to improving the toughness in structural adhesives. Toughening, when done correctly, generally results in formulation having improved impact resistance and peel strength without detracting from... (Editorial)

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Using Waxes in Hot Melt Adhesives

Wed, 16 Dec 2009 00:00:00 +0100

Waxes are one of the key components that the power of a hot melt adhesives rests upon. While they primarily lower the viscosity of the formulation, they can perform additional functions like improving bond strength and temperature resistance.... (Article)

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Elastomeric adhesives threatened by rubber fungal disease

Wed, 16 Dec 2009 00:00:00 +0100

The first ever elastomeric adhesive was prepared at the end of the 18th Century, consisting of naphtha solutions of natural rubber. The trees that probably produced that rubber have probably been blighted by a fungus called Microcyclus ulei, which is... (Editorial)

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Snap Cure Adhesives Speed the Production of Many Devices

Wed, 02 Dec 2009 00:00:00 +0100

This article will review some of the recent advances in snap cure adhesive systems. Differences in these formulations over more conventional structural adhesives will be identified. Entry markets for snap cure adhesives and their performance... (Article)

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Medical Adhesives - Part 1: Medical Device Assembly

Wed, 02 Dec 2009 00:00:00 +0100

The ChemQuest Group, Inc. estimates the US adhesive market for assembly of disposable medical devices to have been $61 million in 2008 (11% AGR over the last 5 years). The global market was estimated to be about $120 million that same year, with... (Article)

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Delayed Action PSAs

Wed, 02 Dec 2009 00:00:00 +0100

This editorial looks at delayed action pressure sensitive adhesives, and describes formulations that can be heat activated. Major applications are linerless pressure sensitive tapes and labels, but other innovative uses are being explored. An... (Editorial)

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Green Building Adhesives: A Primer

Wed, 18 Nov 2009 00:00:00 +0100

The first official green home building program began in 1985 as a city-wide energy-efficiency initiative in Austin, TX. The Green Building Program was the country's first comprehensive program to encourage using sustainable building techniques in... (Article)

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Colloidal Encapsulation of Hydrolytically and Oxidatively Unstable Organoborane Catalysts

Wed, 18 Nov 2009 00:00:00 +0100

Trialkylborane catalysts and their amine complexes are hydrolytically and oxidatively unstable, decomposing in water very rapidly to trialkylboroxin, borate esters, and boric acid. However, trialkylborane-amine complexes will rapidly partition to a... (Article)

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What Electronic Book Readers Are Doing for Adhesives

Wed, 04 Nov 2009 00:00:00 +0100

The developer of the display for Amazon's Kindle electronic book reader has faced big problems caused by its choice of polyurethane laminating adhesive. It seems that it has tackled these by developing their own, including an entirely new kind of... (Article)

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Modern cyanoacrylates: Breaking records, then sticking them back together?

Wed, 04 Nov 2009 00:00:00 +0100

In May 2009, Henkel's latest Superglue formulation claimed the odd-sounding record of the "heaviest vehicle ever lifted with a commercially available glue". This achievement reflects the current capability of cyanoacrylates. Over recent years,... (Editorial)

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Adhesive Anchors – A Lesson Learned

Wed, 21 Oct 2009 00:00:00 +0200

This editorial discusses the requirements necessary to ensure the proper use of adhesive anchors. With the notoriety surrounding a recent failure and fatality, emphasis has been placed on the careful selection of adhesives and installation... (Editorial)

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