Assessment and control of exposures to polymeric methylene diphenyl diisocyanate (pMDI) in spray polyurethane foam applicators.
Sign Up to like & getrecommendations! 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
Structural and thermal degradation properties of novel metallocene-polyurethanes
Sign Up to like & getrecommendations! Published in 2017 at "Polymer Degradation and Stability"
DOI: 10.1016/j.polymdegradstab.2016.12.008
Abstract: Abstract Thermal degradation of two series of chemically well-defined polyurethane (PU) elastomers have been studied using thermogravimetry coupled with a mass spectrometer (TG-MS), differential thermal analysis (DTA) and differential scanning calorimetry (DSC). The samples were… read more here.
Keywords: degradation; diisocyanate; thermal degradation; degradation properties ... See more keywords
Functionalization of Cellulose through Polyurethanization by the Addition of Polyethylene Glycol and Diisocyanate
Sign Up to like & getrecommendations! Published in 2019 at "Indonesian Journal of Chemistry"
DOI: 10.22146/ijc.28550
Abstract: Plastic consumption becomes a main factor of land pollution due to poor degradability. To reduce the impact of land pollution, a biodegradable material such as cellulose, which has biodegradability, high strength, and specific modulus, is… read more here.
Keywords: diisocyanate; cellulose polyurethanization; functionalization cellulose; addition ... See more keywords
Polyethylene Glycol-Isophorone Diisocyanate Polyurethane Prepolymers Tailored Using MALDI MS
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16020821
Abstract: The reaction of diols with isocyanates, leading to mono-functional and di-functional prepolymers may be investigated using various characterization methods which show the overall conversion of isocyanate monomers. On the other hand, matrix-assisted laser desorption ionization… read more here.
Keywords: reaction; polyethylene glycol; isophorone diisocyanate; diisocyanate ... See more keywords
The Role of Diisocyanate Structure to Modify Properties of Segmented Polyurethanes
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16041633
Abstract: Segmented thermoplastic polyurethanes (PU) were synthetized using a polycarbonatediol macrodiol as a flexible or soft segment with a molar mass of 2000 g/mol, and different diisocyanate molecules and 1,4-butanediol as a rigid or hard segment.… read more here.
Keywords: diisocyanate; mechanical properties; segment; diisocyanate structure ... See more keywords
Influence of Hard Segment Content and Diisocyanate Structure on the Transparency and Mechanical Properties of Poly(dimethylsiloxane)-Based Urea Elastomers for Biomedical Applications
Sign Up to like & getrecommendations! Published in 2021 at "Polymers"
DOI: 10.3390/polym13020212
Abstract: The effect of hard segment content and diisocyanate structure on the transparency and mechanical properties of soft poly(dimethylsiloxane) (PDMS)-based urea elastomers (PSUs) was investigated. A series of PSU elastomers were synthesized from an aminopropyl-terminated PDMS… read more here.
Keywords: content diisocyanate; diisocyanate; content; hard segment ... See more keywords
Influence of Graphene Oxide Contents on Mechanical Behavior of Polyurethane Composites Fabricated with Different Diisocyanates
Sign Up to like & getrecommendations! Published in 2021 at "Polymers"
DOI: 10.3390/polym13030444
Abstract: The exceptional behavior of graphene has not yet been entirely implicit in the polymer matrix. To explore this fact in the present work, two series of Polyurethan (PU) composites were synthesized. The structural modification was… read more here.
Keywords: graphene oxide; mechanical behavior; diisocyanate; influence graphene ... See more keywords