Nonisocyanate thermoplastic polyurethane elastomers based on poly(ethylene glycol) prepared through the transurethanization approach
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.44991
Abstract: Nonisocyanate thermoplastic polyurethane elastomers (NIPUs) were synthesized with the transurethanization approach. Dimethyl dicarbamates (DCs) were prepared by the reaction of a diamine with an excess of dimethyl carbonate in the presence of 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) as… read more here.
Keywords: polyurethane; nonisocyanate thermoplastic; polyurethane elastomers; thermoplastic polyurethane ... See more keywords
Design-properties relationships of polyurethanes elastomers depending on different chain extenders structures
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Polymer Research"
DOI: 10.1007/s10965-019-1777-6
Abstract: In this study, the effect of the structure and amount of the chain extenders on the morphological image and physico-chemical properties of some new polyurethane elastomers has been investigated. To achieve this, three series of… read more here.
Keywords: chain; properties relationships; relationships polyurethanes; design properties ... See more keywords
Strain-induced structural and dynamic changes in segmented polyurethane elastomers
Sign Up to like & getrecommendations! Published in 2019 at "Polymer"
DOI: 10.1016/j.polymer.2018.12.062
Abstract: Abstract Polyurethane elastomers have been widely used in the industry and daily life due to their versatile physical and chemical properties. Therefore, a fundamental understanding of the structures and dynamics at a molecular level will… read more here.
Keywords: pcl; polyurethane elastomers; strain induced; pcl chains ... See more keywords
Multiphase Structure and Electromechanical Behaviors of Aliphatic Polyurethane Elastomers
Sign Up to like & getrecommendations! Published in 2018 at "Macromolecules"
DOI: 10.1021/acs.macromol.8b01171
Abstract: Understanding the relationship between multiphase structure and electromechanical property of thermoplastic dielectric elastomers is significantly important in the developments of high-performance and novel dielectric elastomers. In this work, we fabricated a series of aliphatic polyurethane… read more here.
Keywords: aliphatic polyurethane; multiphase structure; structure electromechanical; polyurethane elastomers ... See more keywords
Scalable Production of Self-Toughening Plant Oil-Based Polyurethane Elastomers with Multistimuli-Responsive Functionalities.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c12535
Abstract: Plant oils are becoming of high industrial importance due to the persisting challenges befalling with the utilization of fossil fuels. Thus, developing methodologies to produce multifunctional materials by taking advantage of the unique structure of… read more here.
Keywords: plant oil; oil; self toughening; polyurethane elastomers ... See more keywords
Self-healing polyurethane elastomers based on charge-transfer interactions for biomedical applications
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DOI: 10.1038/s41428-020-00432-4
Abstract: One promising application of self-healing polymeric materials is biomedical use. Although charge-transfer (CT) interactions have been employed to construct self-healing polymers as well as other reversible bonds and interactions, their potential for biomedical applications has… read more here.
Keywords: self healing; polyurethane; polyurethane elastomers; charge transfer ... See more keywords
Synthesis and characterization of low surface energy thermoplastic polyurethane elastomers based on polydimethylsiloxane.
Sign Up to like & getrecommendations! Published in 2023 at "RSC advances"
DOI: 10.1039/d3ra01142a
Abstract: Organosilicon modified polyurethane elastomers (Si-MTPUs) were synthesized in order to improve the anti-graffiti property of thermoplastic polyurethane elastomers (TPUs). Si-MTPUs were prepared from polydimethylsiloxane (PDMS) and polytetramethylene glycol (PTMG) as mixed soft segment, 1,4-butanediol (BDO)… read more here.
Keywords: thermoplastic polyurethane; polyurethane elastomers; surface energy; surface ... See more keywords
A simple and versatile method to tailor physicochemical properties of thermoplastic polyurethane elastomers by using novel mixed soft segments
Sign Up to like & getrecommendations! Published in 2019 at "Materials Research Express"
DOI: 10.1088/2053-1591/ab0cba
Abstract: Novel thermoplastic polyurethane elastomers (TPUs) were designed and synthesized using mixtures of poly (tetramethylene ether) glycol (PTMG) and polycaprolactone (PCL) diols as soft segments. Five block polyurethanes with different soft segment composition were studied in… read more here.
Keywords: soft segments; thermoplastic polyurethane; microphase separation; polyurethane elastomers ... See more keywords
The effect of promoting hydrogen bond aggregation based on PEMTC on the mechanical properties and shape memory function of polyurethane elastomers
Sign Up to like & getrecommendations! Published in 2022 at "Royal Society Open Science"
DOI: 10.1098/rsos.211393
Abstract: In this work, small molecule diols named PEMTC were synthesized from isophorone diisocyanate, N-(2-hydroxyethyl)acrylamide and trimethylolpropane by a semi-directional method. PEMTC (2-(prop-2-enamido)ethyl N-{3-[({[2-ethyl-3-hydroxy-2(hydroxymethyl)propoxy]carbonyl}amino)methyl]-3,5,5-trimethylcyclohexyl}carbamate) contains hydrogen bond active site and light-initiated C=C. We introduced it as… read more here.
Keywords: shape memory; hydrogen bond; hpe materials; polyurethane elastomers ... See more keywords
Combustion properties and pyrolysis kinetics of flame-retardant polyurethane elastomers
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Thermoplastic Composite Materials"
DOI: 10.1177/0892705715598361
Abstract: Flame-retardant polyurethane elastomers (PUEs) have been prepared using trichloroethyl phosphate (TCEP) as flame retardant. The combustion performances and thermal decomposition properties of PUEs were studied using cone calorimetry test and thermogravimetric analysis, respectively. Kissinger method… read more here.
Keywords: flame retardant; retardant polyurethane; combustion; polyurethane elastomers ... See more keywords
The effect of chain extender structure on the enzymatic degradation of carbohydrate based polyurethane elastomers
Sign Up to like & getrecommendations! Published in 2020 at "Polimery"
DOI: 10.14314/polimery.2020.2.6
Abstract: Polyurethane elastomers (PUR) based on 2,2,4(2,4,4)-trimethyl-hexamethylenediisocyanate (TMDI) and polyestrodiol (Desmophen D1200) were prepared using various carbohydrates or their derivatives: monosaccharide (glucose), disaccharide (sucrose), sugar alcohol (mannitol and sorbitol). The effect of stoichiometry of ingredients and… read more here.
Keywords: effect chain; polyurethane elastomers; enzymatic degradation;