Synthesis of graphene oxide–epoxy resin encapsulated urea–formaldehyde microcapsule by in situ polymerization process
Sign Up to like & getrecommendations! Published in 2018 at "Polymer Composites"
DOI: 10.1002/pc.23979
Abstract: A new type of microcapsule has been prepared with urea–formaldehyde (UF) as shell material and graphene oxide (GO)–epoxy resin with acetone as standard solvent between them as the core material. In situ polymerization procedure was… read more here.
Keywords: graphene oxide; urea formaldehyde; epoxy resin; oxide epoxy ... See more keywords
Performance and structures of urea-formaldehyde resins prepared with different formaldehyde solutions
Sign Up to like & getrecommendations! Published in 2021 at "Wood Science and Technology"
DOI: 10.1007/s00226-021-01280-y
Abstract: Two types of urea–formaldehyde (UF) resin adhesives were synthesized with standard formaldehyde solution with 37% concentration and concentrated formaldehyde solution with 45% concentration. For 37% formaldehyde, 10% methanol was used as an inhibitor. For 45%… read more here.
Keywords: urea formaldehyde; performance; formaldehyde; standard formaldehyde ... See more keywords
Morphological study of surface-modified urea–formaldehyde microcapsules using 3-aminopropyltriethoxy silane
Sign Up to like & getrecommendations! Published in 2018 at "Polymer Bulletin"
DOI: 10.1007/s00289-018-2425-8
Abstract: In the current study, urea–formaldehyde (UF) microcapsules containing drying oils were prepared by in situ polymerization method. The surface of the prepared UF microcapsules was functionalized by using a silane-coupling agent. Scanning electronic microscopy (SEM),… read more here.
Keywords: silane; urea formaldehyde; microscopy; surface ... See more keywords
Synthesis and evaluation of low viscosity melamine urea formaldehyde for bulking treatment of wood
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the Indian Academy of Wood Science"
DOI: 10.1007/s13196-020-00270-0
Abstract: This study attempted to produce a low viscosity melamine urea formaldehyde (MUF) resin. The MUF resins were diluted into concentration of 20% and 30% based on solid content with different melamine contents (20 to 30%),… read more here.
Keywords: viscosity; urea formaldehyde; viscosity melamine; melamine urea ... See more keywords
Compact energetic crystals@ urea-formaldehyde resin micro-composites with evident insensitivity
Sign Up to like & getrecommendations! Published in 2019 at "Composites Communications"
DOI: 10.1016/j.coco.2019.07.002
Abstract: Abstract To improve the safety of nitramine explosives, two compact urea-formaldehyde (UF) resin coating micro-composites were fabricated via poly-condensation of urea and formaldehyde on the surfaces of octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) and 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexazisowurtzitane (HNIW) in this study.… read more here.
Keywords: urea formaldehyde; micro composites; formaldehyde resin; energetic crystals ... See more keywords
Self-healing nanocomposites comprised of poly(urea formaldehyde) nanocapsules in a thermosetting polyurea
Sign Up to like & getrecommendations! Published in 2020 at "European Polymer Journal"
DOI: 10.1016/j.eurpolymj.2020.109545
Abstract: Abstract In this study, poly(urea formaldehyde) (PUF) nanocapsules with epoxy cores were blended into a polyurea matrix, formulated as poly[(phenyl isocyanate)–co-formaldehyde] (PMDI) (f = 3.4), and a diamine curing agent (VERSALINK 650) to form nanocomposites. The nanocomposites… read more here.
Keywords: puf nanocapsules; urea formaldehyde; formaldehyde; poly urea ... See more keywords
Quantification of hydrolytic degradation of cured urea-formaldehyde resin adhesives using confocal laser scanning microscopy
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Adhesion and Adhesives"
DOI: 10.1016/j.ijadhadh.2016.12.004
Abstract: Abstract This study reports a method of measuring the extent of hydrolytic degradation of cured urea-formaldehyde (UF) resins trapped in the lumen of softwood tracheids, using confocal laser scanning microscopy (CLSM) which enables quantitative determination… read more here.
Keywords: degradation; urea formaldehyde; cured urea; microscopy ... See more keywords
Palm kernel meal as a melamine urea formaldehyde adhesive filler for plywood applications
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Adhesion and Adhesives"
DOI: 10.1016/j.ijadhadh.2018.05.014
Abstract: Abstract In this work, palm kernel meal (PKM) and palm shell (PS) were studied as a filler for wood adhesive formulations and their efficiency was compared with existing industrial flour (IF). Melamine urea formaldehyde (MUF)… read more here.
Keywords: palm kernel; urea formaldehyde; filler; kernel meal ... See more keywords
Effect of the initial F/U molar ratio in urea-formaldehyde resins synthesis and its influence on the performance of medium density fiberboard bonded with them
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Adhesion and Adhesives"
DOI: 10.1016/j.ijadhadh.2019.102440
Abstract: Abstract The formaldehyde to urea molar ratio (F/U) plays an important role on the properties of urea formaldehyde (UF) resins and of the medium density fiber board (MDFs) bonded with them. This work presents a… read more here.
Keywords: initial molar; urea formaldehyde; molar ratio; molar ... See more keywords
Mechanical properties of epoxy composites embedded with functionalized urea-formaldehyde microcapsules containing an oxidizable oil
Sign Up to like & getrecommendations! Published in 2021 at "Materials Chemistry and Physics"
DOI: 10.1016/j.matchemphys.2020.124106
Abstract: Abstract Nowadays using composites reinforced by embedded microcapsules containing reactive agents are a promising approach to enhance the performance of materials. In the current study, urea-formaldehyde microcapsules (UFMs) containing an oxidizable oil phase were synthesized… read more here.
Keywords: urea formaldehyde; oxidizable oil; microcapsules containing; formaldehyde microcapsules ... See more keywords
Statistical evaluation of the effect of urea-formaldehyde resins synthesis parameters on particleboard properties
Sign Up to like & getrecommendations! Published in 2018 at "Polymer Testing"
DOI: 10.1016/j.polymertesting.2018.04.007
Abstract: Abstract This work discusses the optimization of different synthesis parameters for a low emitting urea-formaldehyde (UF) resin. Industrially, this resin was synthesized using the alkaline-acid process (alkaline methylolation and acidic condensation) at different values of… read more here.
Keywords: urea formaldehyde; statistical evaluation; synthesis parameters; evaluation effect ... See more keywords