Results 91 to 100 of about 3,344 (226)

Study on the Properties of Polyurethane–Urea Elastomers Prepared by TDI/MDI Mixture

open access: yesInternational Journal of Polymer Science
As well known, the easily volatile 2,4-toluene diisocyanate (TDI) monomer poses a great threat to the environment and human health during the preparation of polyurethane–urea elastomer (PUU).
Xiangcheng Bian   +4 more
doaj   +1 more source

Kinetic study of an on-chip isocyanate derivatization reaction by on-line nano-esi ms [PDF]

open access: yes, 2005
A high-throughput method is presented for the study of reaction kinetics by nano- electrospray ionization mass spectrometry (nano-ESI MS). The reaction of propyl isocyanate (2), benzyl isocyanate (3), and toluene-2,4-diisocyanate (4) with 4-nitro-7 ...
Berg, A. van den   +6 more
core   +1 more source

Stabilization of Inverse Miniemulsions by Silyl-Protected Homopolymers

open access: yes, 2016
Inverse (water-in-oil) miniemulsions are an important method to encapsulate hydrophilic payloads such as oligonucleotides or peptides. However, the stabilization of inverse miniemulsions usually requires block copolymers that are difficult to synthesize ...
Crespy, D.   +3 more
core   +2 more sources

Effects of irradiation with narrowband-ultraviolet B on up-regulation of histamine H1 receptor mRNA and induction of apoptosis in HeLa cells and nasal mucosa of rats

open access: yesJournal of Pharmacological Sciences, 2018
Narrowband-ultraviolet B (NB-UVB) phototherapy is used for the treatment of atopic dermatitis. Previously, we reported that irradiation with 200 mJ/cm2 of 310 nm NB-UVB suppressed phorbol-12-myristate-13-acetate (PMA)-induced up-regulation of histamine ...
Tatsuya Fujii   +10 more
doaj   +1 more source

Synthesis, morphology and thermal properties of the POSS-containing polyurethane nanocomposites

open access: yesХімія, фізика та технологія поверхні, 2016
A series of nanocomposites based on polyurethane matrix (PU) have been synthesized using 1,2-propanediolisobutyl polyhedral oligomeric silsesquioxanes (POSS) as functionalized nanofiller.
L. V. Karabanova   +3 more
doaj   +1 more source

Development of low viscosity alkane-based urethane for connector potting applications [PDF]

open access: yes
Two series of saturated hydrocarbon-based urethanes were prepared with isophorone diisocyanate and one series with methyl bis (4-cyclohexyl isocyanate).
Morris, D. E.
core   +1 more source

Synthesis and analysis of a healable, poly(propylene glycol)-based supramolecular network [PDF]

open access: yes, 2019
An investigation into healable supramolecular networks based upon branched poly(propylene) (PPG) oligomers that feature nitroarylurea chain ends is reported. A one-pot reaction utilising bis(toluene-1,4-diisocyanate)-terminated poly(propyleneglycol) (Mn
Baker, Benjamin C.   +4 more
core   +1 more source

Manufacturing of isocyanate-based oligomeric dyes with high coloring capabilities: synthesis and application in the dyeing of organic chrome-free leather

open access: yesCollagen and Leather
Leather dyeing is a critical step in leather manufacturing, as it is responsible for providing leather products with an eye-catching visual aspect and adequate quality properties to meet customers' expectations.
Wei Ding   +5 more
doaj   +1 more source

Development of improved structural adhesives Annual summary report, 1 Jul. 1967 - 3 Dec. 1968 [PDF]

open access: yes
Improved structural adhesives for bonding aluminum over low ...
Follett, A. E.   +3 more
core   +1 more source

Curable polyphosphazene copolymers and terpolymers [PDF]

open access: yes, 1976
Copolymers and terpolymers comprising randomly repeating units represented by the general formulae ##EQU1## wherein the R' radicals contain OH functionality and R being at least one member of the group of monovalent radicals selected from alkyl ...
Reynard, Kennard A., Rose, Selwyn H.
core   +1 more source

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