Polyurethanes with Reduced Aldehyde Emissions

Title: POLYURETHANES HAVING REDUCED ALDEHYDE EMISSION  Number/Link:WO2015/082316 (German) Applicant/Assignee: BASF Publication date: 11-06-2015 “Gist”: Use of CH-acidic compounds as aldehyde scavengers Why it is interesting: Reducing VOC emissions, and especially aldehyde emissions, from polyurethane systems remains an important research topic and has been discussed before on this blog (see e.g.  here and here). To reduce aldehyde emissions, […]

Reducing Aldehyde Emissions from Polyurethane Foams

Title: USE OF PENTAETHYLENE HEXAMINE IN THE PRODUCTION OF POLYURETHANE SYSTEMS  Number/Link: WO2015/071065 (German) Applicant/Assignee: Evonik Publication date: 21-05-2015 “Gist”: Use of pentaethylenehexamine to reduce aldehyde emissions Why it is interesting: As mentioned in previous posts, the reduction of formaldehyde and acetaldehyde emissions from polyurethane foams remains a pressing environmental issue. According to this patent application the problem […]

Reducing aldehyde emissions from flexible foams

Title: POLYURETHANE FOAMS WITH DECREASED ALDEHYDE EMISSIONS, A PROCESS FOR PREPARING THESE FOAMS AND A METHOD FOR DECREASING ALDEHYDE EMISSIONS IN POLYURETHANE FOAMS  Number/Link: WO2013116092 Applicant/Assignee: Bayer Publication date: 8-08-2013 “Gist”: Use of small amounts of hexamethylenediisocyanate trimer or small amounts of “PHD” polyols result in reduced aldehyde emissions from flex foams. Why it is […]