Articles with "methylene diphenyl" as a keyword



Identification of Urethanases for Biocatalytic Recycling of Toluene Diisocyanate‐ and Methylene Diphenyl Diisocyanate‐Based Polyurethanes

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Published in 2025 at "Chemsuschem"

DOI: 10.1002/cssc.202500662

Abstract: In this study, the three urethanases TflABH, MthABH, and OspAmd, originating from two distinct enzyme superfamilies, are identified and characterized with respect to their potential in polyurethane (PUR) degradation. The substrate scope included five industrially… read more here.

Keywords: methylene diphenyl; diisocyanate; diisocyanate methylene; toluene diisocyanate ... See more keywords

Assessment and control of exposures to polymeric methylene diphenyl diisocyanate (pMDI) in spray polyurethane foam applicators.

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Published in 2019 at "International journal of hygiene and environmental health"

DOI: 10.1016/j.ijheh.2019.04.014

Abstract: In this work we characterize personal inhalation and dermal exposures to diphenyl methane diisocyanate (MDI) and other species in polymeric MDI (pMDI) formulations during spray polyurethane foam (SPF) insulation at 14 sites in New England.… read more here.

Keywords: mda; pmdi; diisocyanate; methylene diphenyl ... See more keywords

Emission of methylene diphenyl diisocyanate and methylene dianiline during use of cure-in-place methylene diphenyl diisocyanate-based consumer products

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Published in 2022 at "Toxicology and Industrial Health"

DOI: 10.1177/07482337221079433

Abstract: The aim of this study was to provide realistic isocyanate and amine emission data when using different methylene diphenyl diisocyanate (MDI)-based polyurethane consumer products. Emission testing (air sampling) of diisocyanates and corresponding diamines was performed… read more here.

Keywords: consumer products; methylene; diphenyl diisocyanate; methylene diphenyl ... See more keywords

Methylene diphenyl diisocyanate occupational exposure data in industry (1998-2020): A descriptive summary from an industrial hygiene perspective.

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Published in 2023 at "Toxicology and industrial health"

DOI: 10.1177/07482337231176604

Abstract: This paper provides an overview of airborne methylene diphenyl diisocyanate (MDI) concentrations in workplaces across North America and Europe. A total of 7649 samples were collected between 1998 and 2020 by producers of MDI during… read more here.

Keywords: industrial hygiene; hygiene; 1998 2020; industry ... See more keywords

Increasing Cold Tack of Polymeric Methylene Diphenyl Diisocyanate Resin with Partial Soy Flour Substitution

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Published in 2020 at "Forest Products Journal"

DOI: 10.13073/fpj-d-19-00049

Abstract: Abstract Partial substitution of polymeric methylene diphenyl diisocyanate resin with soy flour increases the cold tack of the resin to the level achieved by urea formaldehyde resin. The tack can b... read more here.

Keywords: tack; polymeric methylene; methylene diphenyl; diphenyl diisocyanate ... See more keywords