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Polyurethanes

Polyurethanes: Alternative crosslinking mechanisms. Image source: roostler-Fotolia
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Polyurethanes: Alternative crosslinking mechanisms

Due to the proposed restriction, diisocyanates have been in the spotlight and the search for alternative crosslinking mechanisms in the focus of R&D. We spoke to Lars Ossenschmidt, Technical Service...

News Coatings Technologies

Optical properties of high solid water-borne polyurethane

Recently, researchers succeeded to tune the optical properties of high solid waterborne polyurethane from matt to anti-glare.

News Coatings Technologies

Structure-functional property relationship of aliphatic polyurethane-silica hybrid films

Novel aliphatic polyurethane-silica hybrid films were prepared using prepolymerisation method in the presence of spherical, submicron amorphous SiO2 Sidistar...

News Coatings Technologies

Polydopamine functional reduced graphene oxide for water-borne polyurethane nanocomposites

Researchers recently investigated polydopamine functional reduced graphene oxide to enhance the mechanical and electrical properties of waterborne polyurethane...

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Water-borne polyurethane modified by stearyl acrylate for water repellents

A recently published study deals with the production and properties of water-borne polyurethane modified by stearyl acrylate for water repellents.

News Coatings Technologies

Impedance sensor for the early failure diagnosis of organic coatings

A miniature impedance sensor used for field diagnosis of the early failure of coatings has been developed based on microelectronics and electrochemical impedance ...

News Application Areas

Diffusion cell investigations into the acidic degradation of organic coatings

In a new study, researchers conducted diffusion cell studies on the acid degradation of organic coatings.

News Coatings Technologies

Water-borne polyurethane/polyacrylate emulsions containing sulfonate groups

Researchers recently focused on the production and characterisation of water-borne sulfonate group-containing polyurethane/polyacrylate emulsions.

News Coatings Technologies

Photo-crosslinkable polyurethanes with coumarin modified silica nanoparticles

In a recently published study, researchers reinforced photocrosslinkable polyurethanes with coumarin-modified silica nanoparticles to improve photoreactive coatings. ...

News Coatings Technologies

A novel bulk-matte water-borne polyurethane coating composite

A new paper reports on a novel self-matte or bulk-matte water-borne polyurethane coating composite with inherently extremely low gloss.

News Coatings Technologies

Improving self-healing performance of polyurethane coatings

In a recently published study, polyurethane-based microcapsules filled with bulky isophorone diisocyanate, IPDI, were prepared via interfacial polymerisation...

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Polyurethane with an ionic liquid crosslinker

A recently published investigation reports on the synthesis of a new class of ionic liquid crosslinked shape-memory polyurethane (PU-IL).

News Application Areas

Thermostability and flame retardance of waterborne polyurethane coatings

A new kind of green and functional two-component flame-retardant waterborne polyurethane and its coating were synthesised through adding polyurethane polyol ...

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Lanxess strengthens development for aqueous polyurethane dispersions

Specialty chemicals company Lanxess will open a new applications development and technical services (AD & TS) laboratory for polyurethane dispersions (PUDs)...