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Adhesives Ingredients
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Adhesives Ingredients
Waterborne adhesives Channel

Waterborne Adhesives


Water-based (or more commonly referred to as waterborne) adhesives are typically formulated from either, natural polymers – from vegetable sources (e.g. dextrins, starches), protein sources (e.g. casein, blood, fish, soybean, milk albumen), and animal sources (e.g. hides, bones), or soluble synthetic polymers – from polymers including: polyvinyl alcohol, cellulose ethers, methylcellulose, carboxymethylcellulose, and polyvinylpyrrolidone.

These adhesives may be supplied as solutions or formulated as dry powders which must be mixed with water prior to application. The strength of the adhesive is attained when water is lost from the glue line by evaporation or absorption by the substrate.

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May 21, 2013 | Article

Formaldeyde-free, Water Resistant PVAC Wood Adhesive

The use of polyvinyl alcohol (PVOH) as a protective colloid in the emulsion polymerisation of vinyl acetate has long been known, as are the advantages conferred on a polyvinyl acetate (PVac) based...

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May 16, 2013 | Article

Block Copolymers in Adhesive Dispersions

Adhesives for bonding fibers are known. These can be reactive or non-reactive adhesives. Fibers of various kinds are known as fiber material. It is known, for example, that nonwoven substrates can...

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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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Jan 16, 2013 | Article

Polymeric Additives to Enhance Tack in Water-based Adhesives

There is a need for additives that enhance the tack in biobased composites formed with water based adhesive, especially water based adhesive that emit little or no formaldehyde. The adhesive...

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Jun 12, 2012 | Article

Trends in Silane Surface Treatments

By Edward M. Petrie

This editorial describes only several of the more recent applications for organosilanes. The nature of the organosilane molecule, its bifunctionality, and the great number of chemical end-groups...

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Mar 6, 2012 | Article

Avoiding Alkylphenol Ethoxylates in Waterborne Adhesives

By Andy Extance

As we understand ever more about how chemicals interact with the environment, adhesive formulators frequently have to face upheaval in reconsidering which components they can use in their products...

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Feb 20, 2012 | Article

Outlook for Zero VOC Waterborne Adhesives: Coalescing Agents

By Edward M. Petrie

Alternatives to conventional solvents and other VOCs that are employed in waterborne adhesive formulations are discussed in this article. The primary focus is on coalescing agents or co-solvents...

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Jan 9, 2012 | Article

Selecting Acrylic Emulsion PSA Dispersion Particle Size Distribution

By Andy Extance

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...

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Dec 12, 2011 | Article

Adhesive Measures Help Food Packagers Optimize Recyclability

By Andy Extance

This year, the Retail Council of Canada (RCC) mandated that by 2012 supermarket clamshell food packaging should be made from PET rather than other thermoformed plastics. Their aim is to increase the...

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Oct 19, 2011 | Article

Replacing Volatile Organic Solvents in Shoemaking Adhesives

By Andy Extance

In May this year, a leading materials company announced a "green shoe" concept, where no solvent is present in the adhesives used in manufacturing footwear. That's desirable because of health...

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