Results 11 to 20 of about 2,889 (254)

Recyclable-by-design thermoset polymers and composites

open access: yeseXPRESS Polymer Letters, 2021
editorial
A. Toldy
doaj   +1 more source

Properties of biobased epoxy resins from epoxidized linseed oil (ELO) crosslinked with a mixture of cyclic anhydride and maleinized linseed oil

open access: yeseXPRESS Polymer Letters, 2019
This works aims at the development thermosetting resins derived from epoxidized linseed oil (ELO) of high biobased content, by using a mixture of crosslinking agents, i.e. methyl nadic anhydride (MNA) and maleinized linseed oil (MLO).
M. D. Samper   +4 more
doaj   +1 more source

Experimental investigation on self-activated healing performance of thermosetting polyurethane prepared by tungsten (VI) chloride catalyst

open access: yesMaterials Research Express, 2020
Polymers and polymeric composites are widely used for various applications due to their outstanding and wide range of properties. Polyurethanes, existing in different types, are novel and versatile polymers with excellent mechanical properties ...
Abdoulhossein Fereidoon   +3 more
doaj   +1 more source

Studies on Epoxy Resin Modified with Organic Agents

open access: yesThe Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2022
Epoxy composites are one of the most versatile thermosetting polymers widely used due to their strong soldering resistance, high insulation, and thermal resistance.
Rodica CHIHAI (PEȚU)   +4 more
doaj   +1 more source

Structure and curing mechanism of resol phenol–formaldehyde prepolymer resins; pp. 225–232 [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2010
Prepolymer resol resins with different phenol/formaldehyde/NaOH molar ratios were synthesized and characterized by technical analysis as well as by 13C NMR spectra for samples in CD3OD solution. Larger amounts of NaOH promoted the binding of formaldehyde
Peep Christjanson   +2 more
doaj   +1 more source

Effect of the catalyst system on the reactivity of a polyurethane resin system for RTM manufacturing of structural composites

open access: yeseXPRESS Polymer Letters, 2022
The high versatility of polyurethanes (PU’s) is encouraging the development of new formulations for new applications, like their use as a matrix for structural composites.
Oihane Echeverria-Altuna   +4 more
doaj   +1 more source

Synthesis and characterization of phenylethynylcarbonyl terminated novel thermosetting imide compound

open access: yeseXPRESS Polymer Letters, 2013
Phenylethynyl terminated novel imide compound based on 1,3-bis(3-aminophenoxy)benzene (APB) and phenylethynyl trimellitic anhydride (PETA) were prepared.
H. Kimura   +4 more
doaj   +1 more source

Novel epoxy-benzoxazine water-based emulsions with reactive benzoxazine surfactants for coatings

open access: yeseXPRESS Polymer Letters, 2014
Novel epoxy-benzoxazine emulsions designed for water-based coatings were prepared and investigated. Bisphenol A-based epoxy resins with molar weights of 340, 377 and 1750 g/mol along with epoxidized soybean oil were emulsified using mono- and bi ...
M. Krajnc, R. Ambrozic, U. Sebenik
doaj   +1 more source

Application of ionic liquids in thermosetting polymers: Epoxy and cyanate ester resins

open access: yeseXPRESS Polymer Letters, 2018
Thermosetting polymers are widely used as industrial materials due to good heat resistance, dimensional stability and chemical resistance. There is a longstanding and widespread interest in designing novel polymer networks, and utilization of ionic ...
A. Vashchuk   +3 more
doaj   +1 more source

Studies on the Thermal, Mechanical and Chemical Resistance Properties of Natural Resource Derived Polymers [PDF]

open access: yesMaterials Research, 2015
Cardanol-based epoxidized resole resins (ERCF) were synthesized by reacting resole type phenolic resin (RCF) and epichlorohydrin in basic medium, at 120 °C. Resole type phenolic resins were synthesized by reacting cardanol (C) and formaldehyde (F) in the
Shrawan Kumar Shukla   +2 more
doaj   +1 more source

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