SpecialChem4Adhesives.com R&D Highlights in Adhesives and Sealants Formulation

Free-flowing Pressure Sensitive Adhesives

Thu, 20 Jun 2013 00:00:00 Z

Thermoplastic pressure sensitive adhesives (PSA), especially hot melts, can be manufactured and packaged as disclosed in EP 0469564. According to this document a hot melt adhesive is formed as separate portion, solidified and thereafter this portion... (R&D Highlight)

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Fast-curing, Water-resistant, Non–isocyanate PU Adhesive/Sealant

Thu, 20 Jun 2013 00:00:00 Z

The present invention provides two-part adhesive and sealant compositions which overcome the existing limitations of latex adhesives and sealant by enabling fast cure and improved early water resistance. Such compositions also overcome the existing... (R&D Highlight)

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Adhesive for Solar Battery Back Sheets

Thu, 20 Jun 2013 00:00:00 Z

In these solar batteries, a surface protective sheet is commonly provided on a surface on which sunlight falls, for the purpose of protecting the surface . A back side protective sheet (back sheet) is also provided on a surface opposite to the... (R&D Highlight)

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Acrylic PSA Tape Useful on Wide Range of Adherends

Tue, 18 Jun 2013 00:00:00 Z

Acrylic pressure-sensitive adhesive (PSA) tapes having an acrylic pressure-sensitive adhesive layer have been widely used because they are excellent in light resistance, weather resistance, and oil resistance, etc., and also excellent in adhesive... (R&D Highlight)

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Emulsion Acrylic PSA with Good Adhesion to Low Surface Energy Plastics

Thu, 13 Jun 2013 00:00:00 Z

In recent years, from the standpoint of environmental stress, reduction of organic solvent usage has been desired. With respect to the pressure-sensitive adhesive (PSA) composition laminated on a PSA sheet, it has been also underway to shift from... (R&D Highlight)

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Adhesive for Underwater/Wet Bonding Applications

Thu, 13 Jun 2013 00:00:00 Z

Effective underwater adhesives can bring many benefits to industries or activities which deal with underwater operations. Applications such as attaching sensors to surfaces which are located in a body of water, repairing wet tissues, or patching... (R&D Highlight)

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Silicone-based PSA with Improved Adhesion

Wed, 12 Jun 2013 00:00:00 Z

Silicone based self adhesives (or pressure sensitive adhesives) are used in applications requiring excellent stability and resistance to high temperature, wide end-use temperature range, chemical resistance, etc. With the desire to have these traits... (R&D Highlight)

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Fast Fixturing Adhesive for Electronics Applications

Wed, 12 Jun 2013 00:00:00 Z

Fast fixturing adhesives have found a need in assembly operations requiring strong adhesion to develop in a short period of time in relatively small bond areas. Electronics assembly is an example of an application requiring these characteristics in... (R&D Highlight)

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X-Ray Imaging Panel with Thermally-Sensitive Adhesive

Tue, 11 Jun 2013 00:00:00 Z

In the construction of X-ray imaging panels, conventional pressure sensitive adhesives (PSAs), such as acrylic -based adhesives and laminates, have been used in the past to couple scintillator screens and photodetectors. PSAs are aggressively tacky... (R&D Highlight)

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Sealant for Use in Flexible LCD Applications

Tue, 11 Jun 2013 00:00:00 Z

In the past, glass was most often used for liquid crystal displays (LCD). Sealants for use in these displays could be readily found due to glass being a fairly easy surface to adhere to, and minimal issues with thermal expansion or need to flex. ... (R&D Highlight)

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Pressure Sensitive Adhesive for Low Surface Energy Plastics

Mon, 10 Jun 2013 00:00:00 Z

Pressure sensitive adhesive (PSA) tapes are widely used in homes, businesses and industrial applications as self-contained bonding systems. In bonding and mounting applications, such as tapes used to mount holding devices onto walls or equipment,... (R&D Highlight)

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Water Resistant Flooring Adhesive

Fri, 07 Jun 2013 00:00:00 Z

This invention describes an adhesive for use in flooring applications requiring good moisture and water resistance. A polymeric matrix adhesive comprising a prepolymer urethane, a silane added to the prepolymer urethane, the silane reacts with the... (R&D Highlight)

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Moisture Curable, Non-tin Catalyst RTV Adhesive/Sealant

Thu, 06 Jun 2013 00:00:00 Z

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 for curable compositions include organometallic... (R&D Highlight)

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Fast Curing, Fiber Reinforced Structural Adhesive

Thu, 06 Jun 2013 00:00:00 Z

The object of this invention is to provide a novel fast curing structural adhesive composition that is suitable for construction purposes, particularly for structural bonding of concrete/concrete, steel/concrete, or steel/steel, as well as for... (R&D Highlight)

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Isocyanate Curable Adhesives with Improved Stability

Wed, 05 Jun 2013 00:00:00 Z

Due to market conditions manufacturers of isocyanate based compositions may need to change ingredients utilized in the curable compositions (such as adhesives). Many compositions containing isocyanate functional prepolymers are sensitive systems in... (R&D Highlight)

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Tire Inner-layer Adhesive and Laminate

Tue, 04 Jun 2013 00:00:00 Z

This invention contains an adhesive composition that provides excellent adhesion between a thermoplastic resin or a thermoplastic elastomer in which an elastomer component is dispersed in the thermoplastic resin and a tire by a combination of... (R&D Highlight)

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Reusable Adhesive for Cleaning Surfaces

Fri, 31 May 2013 00:00:00 Z

Cloths, wipes, mops are used to wipe and clean surfaces covered with dirt, dust, and debris. Typically, most cloths, wipes, and mops do not have the ability to effectively capture and retain small and large particles of dirt and debris. The... (R&D Highlight)

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Improved UV Curable Epoxy Adhesive for Electronics Applications

Thu, 30 May 2013 00:00:00 Z

Light-curable epoxy resins have advantages such as a low curing temperature, a rapid curing rate, a small shrinkage and often these resins can be regarded as being environmentally friendly, therefore such epoxy resins are increasingly widely used to... (R&D Highlight)

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Bio-based Formaldehyde-free Composite Adhesive

Wed, 29 May 2013 00:00:00 Z

Two binder materials, phenol formaldehyde (PF) and urea formaldehyde (UF) resins, currently are preferred in the building and industrial markets. These binders provide mechanical integrity to plywood, particle board, pressed wood products (called... (R&D Highlight)

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Improved Solubility Dextrin Adhesive with Antimicrobial Capability

Tue, 28 May 2013 00:00:00 Z

Water based adhesives from bio-based, renewable resources have been gaining increasing favor over petroleum sourced, solvent based adhesives. Dextrins are low molecular weight carbohydrates that are readily produced via hydrolysis of plant starch.... (R&D Highlight)

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