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159 Newest Publications about the topic trimethylolpropane

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Reworkable Polyhydroxyurethane Films with Reversible Acetal Networks Obtained from Multifunctional Six-Membered Cyclic Carbonates

16-Jan-2018 | Hiroyuki Matsukizono; Takeshi Endo, Journal of the American Chemical Society, 2018

Multifunctional 6-membered cyclic carbonates (6-CCs) comprising acetal structures have been synthesized via phosgene-free routes and utilized for the fabrication of reworkable networked poly(acetal-hydroxyurethane) (PAHU) films. Dibenzoyl-protected di(trimethylolpropane) (DTMP) reacts with ...

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Studying Crosslinker Chemical Structure Effect on the Tuning Properties of HTPB‐Based Polyurethane

10-Jan-2018 | Masoud Yarmohammadi, Saied Komeili, Mansour Shahidzadeh, Propellants, Explosives, Pyrotechnics, 2018

Abstract Hydroxyl terminated polybutadiene based polyurethanes with various crosslinker compounds have been prepared to investigate the effect of crosslinker content and structure on polyurethanes mechanical properties. Three various crosslinkers have been used in this study, including ...

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Synthesis and properties of multifunctional thiol crosslinked gels containing disulfide bond in the network structure

25-Aug-2017 | Naofumi Naga, Kazumasa Moriyama, Hidemitsu Furukawa, Journal of Polymer Science Part A: Polymer Chemistry, 2017

ABSTRACT Joint crosslinked gels containing disulfide linkage have been synthesized by oxidation reaction of multi‐functional thiol monomers, trimethylolpropane tris(3‐mercaptopropionate), tris‐[3‐mercaptopropionyloxy‐ethyl]‐isocyanurate, pentaerythritol tetrakis (3‐mercaptopropionate), and ...

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Controlled crosslinking of trimethylolpropane trimethacrylate for preparation of organic monolithic columns for capillary liquid chromatography

23-Aug-2017 | Mariana R. Gama, Pankaj Aggarwal, Milton L. Lee, Carla B.G. Bottoli, ELECTROPHORESIS, 2017

Organic monolithic columns based on single crosslinking of trimethylolpropane trimethacrylate (TRIM) monomer were prepared in a single step by living/controlled free‐radical polymerization. Full optimization of the preparation, such as using different percentages of TRIM and different amounts of ...

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Humic acid particle embedded super porous gum Arabic cryogel network for versatile use

06-Jul-2017 | Selin Sagbas Suner, Nurettin Sahiner, Polymers for Advanced Technologies, 2017

Super porous gum Arabic (GA) cryogels were synthesized by crosslinking of natural GA with divinyl sulfone at cryogenic conditions, −20°C for potential biomedical applications. Humic acid (HA) nanoparticles were also prepared by using degradable and biocompatible crosslinkers such as ...

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Synthesis of Biolubricant Trimethylolpropane Trioleate and Its Lubricant Base Oil Properties

30-Jun-2017 | Sen Qiao; Yonggang Shi; Xiaojuan Wang; Zhenxing Lin; Yunxuan Jiang, Energy & Fuels, 2017

Trimethylolpropane trioleate (TMPTO) could significantly reduce environmental pollution compared to mineral oils. In this study, oleic acid (OA) and trimethylolpropane (TMP) were used to synthesize TMPTO, and the synthesis process was optimized by single-factor experiments to obtain the highest ...

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N‐alkoxypyridinium salts as coinitiators in radical polymerization: Synthesis and Photochemical Properties

26-Jun-2017 | Janina Kabatc, Katarzyna Kostrzewska, Robert Dobosz, Łukasz Orzeł, Katarzyna Jurek, Journal of Polymer Science Part A: Polymer Chemistry, 2017

ABSTRACT A few N‐alkoxypyridinium salts are developed as photoinitiators for efficient polymerization reactions. They are characterized by absorption properties below 300 nm, and generate alkoxy radicals on UV‐Vis light exposure. The squarylium dye was used as a blue‐light photosensitizer. ...

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Materials, Vol. 10, Pages 540: Hydrogels Synthesized by Electron Beam Irradiation for Heavy Metal Adsorption

18-May-2017 | Manaila, Elena ; Craciun, Gabriela ; Ighigeanu, Daniel ; Cimpeanu, Catalina ; Barna, Catalina ; Fugaru, Viorel, Materials, 2017

Poly(acrylamide co-acrylic acid) hydrogels were prepared by free-radical copolymerization of acrylamide and acrylic acid in aqueous solutions using electron beam irradiation in the dose range of 2.5 kGy to 6 kGy in atmospheric conditions and at room temperature. The influence of the absorbed ...

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Phosgene‐Free Syntheses and Hydrolytic Properties of Water‐Soluble Polyhydroxyurethanes with Ester–Carbonate–Ether Structures in Their Main Chains

15-May-2017 | Hiroyuki Matsukizono, Takeshi Endo, Macromolecular Chemistry and Physics, 2017

Three types of bifunctional 6‐membered cyclic carbonates bearing ester, acyclic carbonate or ether moieties have been derived from nonexpensive trimethylolpropane or di(trimethylolpropane) through phosgene‐free routes and used for the polyaddition reaction with 1,3‐diaminopropane to design ...

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Multi‐functional free‐standing gel polymer electrolyte with carbon nanofibre interlayers for high performance lithium‐sulfur batteries

12-May-2017 | Sinho Choi, Jianjun Song, Chengyin Wang, Soojin Park, Guoxiu Wang, Chemistry - An Asian Journal, 2017

Free‐standing trimethylolpropane ethoxylate triacrylate gel polymer electrolyte is synthesized by a chemical cross‐linking process and used as an electrolyte and separator membrane in lithium‐sulfur batteris. The cross linked gel polymer electrolyte also exhibited a stable geometric size ...

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