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Monday, 16 September 2019
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Raw materials & technologies, Technologies, Waterborne coatings

Study compares polycaprolactone polyols with other macrodiols in polyurethane dispersions

Wednesday, 11 July 2012

What properties make polycaprolactones interesting for waterborne polyurethane dispersions? Malin Rex from Pperstorp, Sweden, gives the answer and compares the properties of polycaprolactone polyols with those of polyester, polyether and polycarbonate polyols.

New developments, trends and research results on polyurethanes will be presented at the EC Conference "Polyurethanes for high performance coatings" on 25 and 26 September 2012 in Berlin
New developments, trends and research results on polyurethanes will be presented at the EC Conference "Polyurethanes for high performance coat...

Polycaprolactone polyols are a type of polyesters that are made with ring-opening polymerization instead of condensation polymerization. The manufacturing process determines the special performance of polycaprolactone polyols, such as very low viscosity due to the low polydispersity, and high hydrolysis resistance due to the very low acid value. These properties in combination with good outdoor durability and flexibility make polycaprolactones an interesting building block for waterborne polyurethane dispersions.

Malin Rex, Perstorp, compares the physical properties of polycaprolactone polyols with those of polyester, polyether and polycarbonate polyols and presents the results at the European Coatings Conference "Polyurethanes for high performance coatings”, which takes place on 25 and 26 September 2012 in Berlin. Also, the different macrodiols will be shown in formulations of polyurethane dispersions where emphasis will be put on tensile properties and abrasion resistance.

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