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Sealants Channel
Literally, a Sealant is a viscous material which becomes solid after application. The main uses of a sealant are either to form a protection barrier, to seal two substrates together, or to fill gaps or holes. Basically this is a material which has the adhesive and cohesive properties to form a seal. Main market applications are building and construction, transportation and Do-It-Yourself. Main types: Elastic sealants have high recovery (over 70%), Plastic sealants display only slight or no recovery at all (up to 20%) and Elasto-plastic and plasto-elastic sealants with properties in between.

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Sep 29, 2017 | Article

FEICA 2017 Review: Key Trends & Innovations

By Sreeparna Das

FEICA 2017 is over, so now it’s the time to gather all the key trends & innovations discussed at Conference. Although, with several high quality break-out sessions & presentations running in...

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Apr 21, 2017 | Article

Silane Modified Polymers (SMP): An Alternative to PU Polymers

By Vladimyr Wolan

Polyurethane polymers are very successful products used in the adhesive, sealants and paint industries. The hydrogen bonds present in PU bond add strength to the polymer matrix and are able to...

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Oct 23, 2013 | Article

SPUR Car Window Adhesives Avoid Storage Instability

A researcher at Dow Global Technologies in Midland, Michigan, has produced silane-modified polyurethane (SPUR) adhesives that eliminate storage problems thought to trouble such products. SPUR...

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Jun 24, 2013 | Article

Improved Wet Adhesion, Modified Poly-isocyanate Wood Adhesive

Adhesives have been used in the wood industry for many years. Uses include the lumber industry, the aggregated fibre board industry, the medium density fibreboard (MDF) market, and the oriented...

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Apr 17, 2013 | Article

Silica Additive for Adhesives and Sealants

Silicas have been used in adhesive and sealant applications to provide thixotropic, or shear-thinning viscosity characteristics. Depending on grades used and application requirements, one drawback...

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May 4, 2017 | Article

Real Bio-based Ingredients for Formulator's Toolbox

By Edward M. Petrie

Innovation and collaboration between the new material developers and the adhesive formulators has led to the commercialization bio-based materials. Formulators can now project a “green” image to...

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Jan 6, 2014 | Article

Addressing Silicone Contamination Issues

By Edward M. Petrie

This article will address the various issues related to silicone contamination including its mechanism in disrupting good adhesion, detection methods, and cleaning processes. The best policy is to...

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Sep 26, 2013 | Article

Sprayable Polychloroprene Adhesive Bonds Well Without Solvents

Scientists from Akzo Nobel Chemicals in the Netherlands have solved problems plaguing one-component (“1C”) solventless spray-on adhesives by adding silica sol to polychloroprene dispersions under...

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Jun 6, 2013 | Article

Moisture Curable, Non-tin Catalyst RTV Adhesive/Sealant

Polymers having reactive terminal silyl groups or compositions comprising such polymers can be hydrolyzed and condensed in the presence of water and organometal catalysts. Suitable known catalysts...

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Mar 13, 2013 | Article

Non-Phthalate Benzoate Plasticizers - Do More than Just Plasticize

By Edward M. Petrie

This article reviews the various value propositions provided by benzoate plasticizers in adhesive and sealant formulations. It primarily focuses on waterborne systems, but opportunities in other...

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