The Universal Selection Source: Adhesives Ingredients

Polyurethane Adhesive
Polyurethane Adhesives are known for toughness and flexibility even at low temperatures. They have fairly good shear strength and excellent water and humidity resistance. One-component polyurethane adhesives consist of isocyanate-containing prepolymers dissolved in a solvent carrier while two-component polyurethanes consist of a polyol component (resin) and an isocyanate component (hardener). Polyurethane adhesives form strong bonds to rubber, plastics, metal, wood, paper, ceramic, and fabrics. Two-component polyurethanes are used for large-surface adhesive bonds, like in in vehicle superstructures.

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Oct 21, 2014 | Webinar

Tuesday Oct 21 2014

By Manuel Colera

Formulating the right PU-based coating or adhesive that can resist to extreme environmental conditions is a challenge. If durability is a must-have for your PU coatings and adhesives formulations...

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Case Study

Polyurethane adhesives are broadly used for attaching the upper shoe to the sole. But when it comes to industrial protection footwear, you have to make sure that you use the best Polyurethane...

Case Study

Bonding of critical substrates is always a challenge for end-users. Thus, there is always a demand for better adhesion properties on difficult to glue plastic substrates and in light weight...

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A SpecialChem Client is seeking a technology to mitigate low-molecular weight aldehydes released from flexible polyurethane foams used in automobile seat cushions...

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Selection Guide

Polyurethane Dispersions (PUD) Selection

By Edward M. Petrie

This guide will endeavor to direct the formulator through the process of selecting polyurethane dispersions for a specific adhesive formulation and end-use requirement. The chemistry of the polyurethane dispersion will dictate the performance properties. Therefore, the formulator needs to know what properties are affected by certain characteristics of the dispersion.

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Case Study

Adhesion on critical substrates like plastics is a key challenge in the adhesive industry. It comes along with the difficult task to keep other performances like mechanical properties at a suitable...

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A SpecialChem Client is seeking new chemistry, additives, or novel application techniques to avoid the formation of CO2 bubbles when applying moisture-cured polyurethane (PUR) coating at a thickness...

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Tech Paper

Cashew Nutshell Liquid (CNSL) is a naturally occurring, non-food chain, renewable oil from the shell of the cashew nut. CNSL diols are globally available bio-based products for formulating...
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