Articles with "polyurethane foams" as a keyword



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Effects of Silicone Surfactant on the Properties of Openā€Cell Flexible Polyurethane Foams

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Published in 2018 at "Advances in Polymer Technology"

DOI: 10.1002/adv.21643

Abstract: In this paper, the effects of silicone surfactant on the mechanical, thermal, and acoustical properties of flexible polyurethane foams are studied. At first, by introducing the reactions of the foam production and expressing the stoichiometric… read more here.

Keywords: silicone surfactant; polyurethane foams; effects silicone; cell ... See more keywords
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Direct silanization of polyurethane foams for efficient selective absorption of oil from water

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Published in 2017 at "Aiche Journal"

DOI: 10.1002/aic.15629

Abstract: Absorption is an effective method to collect oil spills and solvent leakages from water. However, the currently used oil absorbents are still suffering from high cost, tedious preparation, and low recyclability. In this work, we… read more here.

Keywords: absorption; direct silanization; water; polyurethane foams ... See more keywords
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Antimicrobial polyurethane foams having cationic ammonium groups

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Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45473

Abstract: Polyurethane foams were prepared by using functional quaternary ammonium monomers to endow the porous materials with antimicrobial properties. For this purpose, tri- and tetra-hydroxyl functional quaternary ammonium compounds were synthesized and used as a triol… read more here.

Keywords: polyurethane; polyurethane foams; ammonium; quaternary ammonium ... See more keywords
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Green recycling process for polyurethane foams by a chem-biotech approach.

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Published in 2021 at "ChemSusChem"

DOI: 10.1002/cssc.202100243

Abstract: Polyurethanes are highly resistant materials used for building insulation or automotive seats. The polyurethane end-of-life issue must be addressed by the development of efficient recycling techniques. Since conventional recycling processes are not suitable for thermosets,… read more here.

Keywords: process polyurethane; polyurethane foams; green recycling; approach ... See more keywords
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Thermogravimetric and qualitative analysis of thermal decomposition characteristics of polyurethane foams based on polyols with carbamide or oxamide and borate groups

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Published in 2017 at "Polymer International"

DOI: 10.1002/pi.5433

Abstract: The thermal stability and the kinds of products of thermal decomposition of polyurethane foams modified with urea or oxamide and borate groups were studied. Incorporation of urea or oxamide groups and borate groups enhances the… read more here.

Keywords: oxamide borate; polyurethane foams; foams modified; thermal decomposition ... See more keywords
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Synthesis of oligoetherols from mixtures of melamine and boric acid and polyurethane foams formed from these oligoetherols

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Published in 2018 at "Polymer Bulletin"

DOI: 10.1007/s00289-018-2489-5

Abstract: One-pot synthesis of oligoetherols with 1,3,5-triazine ring and boron atoms was described. A mixture of melamine and boric acid was hydroxyalkylated with glycidol and propylene carbonate. The obtained oligoetherols were suitable to obtain polyurethane foams… read more here.

Keywords: melamine boric; polyurethane foams; boric acid; synthesis oligoetherols ... See more keywords
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Mechanical, Thermal Properties and Stability of Rigid Polyurethane Foams Produced with Crude-Glycerol Derived Biomass Biopolyols

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Published in 2020 at "Journal of Polymers and the Environment"

DOI: 10.1007/s10924-020-01686-y

Abstract: Rigid polyurethane foams of significant renewable content (up to 50%) were produced using biomass biopolyols obtained previously via crude-glycerol mediated solvothermal liquefaction of three industrial biomass residue feedstocks: digested sewage sludge, hemp stalk hurds and… read more here.

Keywords: biomass; rigid polyurethane; crude glycerol; polyurethane foams ... See more keywords
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Fabrication of novel formulations from rigid polyurethane foams and mortar for potential applications in building industry

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Published in 2019 at "Journal of Polymer Research"

DOI: 10.1007/s10965-019-1934-y

Abstract: Rigid polyurethane (PU) foams are widely used in modern life owing to excellent strength and weight carrying capacity. Most of the rigid PU foams in the market are based on polypropylene oxide (PPO) and methylene… read more here.

Keywords: formulations rigid; rigid polyurethane; polyurethane; polyurethane foams ... See more keywords
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Polyurethane Foams with 1,3,5-Triazine Ring and Silicon Atoms

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Published in 2019 at "Macromolecular Research"

DOI: 10.1007/s13233-019-7068-6

Abstract: AbstractThe method of obtaining polyurethane foams based on two oligoetherols, synthesized from (1) melamine and propylene carbonate, and (2) from metasilicic acid, glycidol and ethylene carbonate, is elaborated. The physical properties of PUFs are tested… read more here.

Keywords: foams triazine; silicon atoms; polyurethane foams; ring silicon ... See more keywords
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Polyurethane foams synthesis with cassava waste for biodiesel removal from water bodies

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Published in 2020 at "Bioresource Technology Reports"

DOI: 10.1016/j.biteb.2020.100396

Abstract: Abstract Two types of polyurethane foams were synthesized: polyurethane foam (PU) and composite polyurethane containing cassava waste (PUC), in order to remedy bodies of water contaminated with biodiesel. Thermal and chemical properties of cassava waste… read more here.

Keywords: biodiesel; water; waste; polyurethane foams ... See more keywords
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Sustainable flame-retardant polyurethanes using renewable resources

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Published in 2018 at "Industrial Crops and Products"

DOI: 10.1016/j.indcrop.2018.07.025

Abstract: Abstract Renewable bio resources such as soybean, orange peel, and castor along with a novel phosphorous based polyol were used to prepare highly flame-retardant polyurethane foams. Diethyl allyl phosphonate (DEAP) and thioglycerol (TG) were used… read more here.

Keywords: flame retardant; sustainable flame; flame; foam ... See more keywords