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

Tackifier Resin Emulsion, Acrylic Emulsion Type Self-Adhesive Composition, Acrylic Emulsion Type Self-Adhesive Composition For Foam Substrate, And Acrylic Emulsion Type Self-Adhesive Composition For Polyurethane Foam

Thu, 11 Mar 2010 00:00:00 +0100

PROBLEM TO BE SOLVED: To provide a tackifier resin emulsion which imparts excellent adhesive force even in a hot environment and can impart good adhesive force to a rough surface such as polyurethane foam, and an aqueous self-adhesive having... (R&D Highlight)

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Chemical Conversion Coating Agent And Surface-Treated Metal

Thu, 11 Mar 2010 00:00:00 +0100

It is an object of the present invention to provide a chemical conversion coating agent containing no chromium and capable of applying good chemical conversion treatment which is equal to or more than chemical conversion treatment by zinc phosphate... (R&D Highlight)

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Acrylic Resin Composition

Thu, 11 Mar 2010 00:00:00 +0100

Although acrylic based polymers have been used in a wide range of applications, their direct use as structural materials, coatings and adhesives has been limited due to their low impact resistance. A composition contains an acrylic resin and an... (R&D Highlight)

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Tackifier Resin Emulsion, Acrylic Emulsion Type Self-Adhesive Composition, Acrylic Emulsion Type Self-Adhesive Composition For Foam Substrate, And Acrylic Emulsion Type Self-Adhesive Composition For Polyurethane Foam

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

Reactive Hot Melt Adhesive

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

PROBLEM TO BE SOLVED: To provide a reactive hot melt adhesive which has excellent coating property, thermal stability, and initial adhesion property, and in particular, which is also excellent in adhesion to a polyester adherend. SOLUTION: In the... (R&D Highlight)

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Process For Preparing A Hybrid Acrylic / Polyurethane Pressure Sensitive Adhesive

Thu, 04 Mar 2010 00:00:00 +0100

The patent describes a multi step mini-emulsion process for preparing a hybrid acrylic / polyurethane pressure sensitive adhesive (PSA) of very high shear strength, good peel strength and/or also high moisture vapor transmission rate. The process is... (R&D Highlight)

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Moisture-Curing Type Reactive Hot-Melt Adhesive

Thu, 04 Mar 2010 00:00:00 +0100

PROBLEM TO BE SOLVED: To provide a moisture-curing reactive hot-melt adhesive having good adhesion to an aromatic group-containing substrate material e.g. a polyester sheet, even in a severe winter period, and useful for the laminate-processing etc.... (R&D Highlight)

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Dependence of optical properties of UV-curable sealant on amount of catalyst N, N-dimethylbenzylamine

Fri, 26 Feb 2010 00:00:00 +0100

In the presence of the catalyst N, N-dimethylbenzylamine, a series of ultraviolet-curable sealants 1-6 were synthesized by varying the catalyst amount from 0.5, 1.0, 1.5, 2.0, 2.5 and 3.0 part in the process of polymerizing the epoxy resin (25 parts)... (R&D Highlight)

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Method For Production Of Polyester Emulsion-Type Adhesive Composition

Fri, 26 Feb 2010 00:00:00 +0100

The present invention relates to a method for producing a polyester-based emulsion type pressure-sensitive adhesive composition including: adding a polyester-based resin to a surfactant phase (D phase) containing water, a polyhydric alcohol and a... (R&D Highlight)

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Bioadhesive from distiller's dried grains with solubles

Fri, 26 Feb 2010 00:00:00 +0100

Distiller's Dried Grains with Solubles (DDGS) is used to replace starch as a major feedstock material to produce bio-adhesives. The experimental conditions and the preparation process of the DDGS bioadhesive are outlined. The production and... (R&D Highlight)

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Sealant Compositions and Methods Utilizing Nano-Particles

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

The present invention includes well treatment fluids and methods utilizing nano-particles and, in certain embodiments, to sealant compositions and methods utilizing nano-particles The nano-particles may be incorporated into the sealant composition in... (R&D Highlight)

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Radiation curable urethane (meth)acrylate polymer and adhesives formulated with them

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

The radiation curable urethane (meth)acrylate polymer and adhesives are based on UV curable urethane(meth)acrylate polymers of Formula (1), where: R; 1; and R(prime; ) are each independently hydrogen or C; 1-20; hydrocarbo, R; 2; , R(prime; ); 2; ,... (R&D Highlight)

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Preparation of encapsulated polymer adhesion beads and adhesion with porous fibers.

Thu, 18 Feb 2010 00:00:00 +0100

Adhesion beads of 10-130 mum, prepared by suspension polymerization, were encapsulated by melamine-formaldehyde. The capsule-type adhesives prepared consist of core and shell structure where the core region is sticky and viscous and the shell region... (R&D Highlight)

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Pressure Sensitive Adhesives

Thu, 18 Feb 2010 00:00:00 +0100

PSAs having enhanced resistance to water-whitening and high shear stability are disclosed. The PSAs are obtained from an aqueous dispersion comprising an effective amount of surfactant mixture with at least one ionic surfactant, at least one... (R&D Highlight)

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Improved Polyolefin-Based Adhesive Resins And Method Of Making Adhesive Resins

Thu, 18 Feb 2010 00:00:00 +0100

This patent describes a method for producing polyolefin-based adhesive resins having improved physical and optical properties. The improved process eliminates at least one reheating and melting of polyolefin polymer, comprises polymerizing a monomer... (R&D Highlight)

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Colorless primer composition and method

Thu, 11 Feb 2010 00:00:00 +0100

A primer formulated with a colorless dye detectable only under black light is provided. The present invention is non-detectable on a porous surface and color does not appear over time upon exposure to natural or synthetic lights. Under black light,... (R&D Highlight)

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Epoxy-Based Adhesive Or Sealant Comprising Inorganic Nanoparticles With Acrylic Acid Ester-Containing Casing

Thu, 11 Feb 2010 00:00:00 +0100

This patent describes an epoxy-based composition that can be used as an adhesive or sealant or as structural foam. It comprises 0.5 to 40 wt.% of inorganic particles that are encased in organic polymers, wherein said organic polymers are selected... (R&D Highlight)

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Addition of urethane-based thickener to waterborne polyurethane adhesives having different NCO/OH ratios and ionic groups contents

Thu, 11 Feb 2010 00:00:00 +0100

Several waterborne polyurethane adhesives containing different hard-to-soft segment ratios and ionic groups were prepared by using the acetone process. To improve the rheological properties, a 5 wt% of hydrophobically-modified ethoxylated... (R&D Highlight)

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Preparation And Characterization Of Waterborne Polyurethane As Shoe Adhesives

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

A series of water-borne PU adhesives for footwear was prepared by the prepolymer process using dimethylol propionic acid and sucrose as a hydrophilic agent and crosslinking agent, respectively. The structures and thermal properties of the PUs were... (R&D Highlight)

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Pressure-Sensitive Adhesive For Skin Surface And/Or Transdermal Substance Delivery

Thu, 04 Feb 2010 00:00:00 +0100

A pressure-sensitive adhesive composition is described having a reservoir of medication or other substance and capable of intimate contact with a target area of skin, rapid conveyance of the medication onto and/or into the target area, and ready... (R&D Highlight)

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