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Obtaining Oligoether Polyols from Secondary Polyethylene Terephthalate
AbstractIn this paper, a method for the synthesis of oligoether polyols from secondary polyethylene terephthalate has been presented, and their...
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Structure Elucidation of Castor Oil Based Self-Condensed Polyols and Applications in Flexible Foams and Elastomers
Self-transesterification of castor oil was employed to prepare higher molar mass polyols possessing interesting properties that can be used without...
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Functionalized Hyperbranched Aliphatic Polyester Polyols: Synthesis, Properties and Applications
Recently, hyperbranched polymers (HBPs), which differ significantly in structure and properties from linear, cross-linked and branched analogs, have...
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Recent Advances in Polyurethane Coatings and Adhesives Derived from Vegetable Oil-Based Polyols
Sustainability and renewability are the terms that concern most researchers today. In the world of paints and adhesives, polyurethane (PU) is a...
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Polyurethane foams from vegetable oil-based polyols: a review
Polyurethane is a versatile material that can be converted into various forms according to applications. PU foams or PUFs are the most commonly used...
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Effect of Hybridization of Inorganic/Organic Acid as the Liquefaction Catalyst on the Properties of Liquefied Kenaf Polyols
Production of kenaf polyols (KP) via liquefaction process was carried out using polyethylene glycol 400 and glycerol as the liquefying solvent....
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The synergistic flame-retardant behaviors of soybean oil phosphate-based polyols and modified ammonium polyphosphate in polyurethane foam
Vegetable oils, as raw materials for polyurethane foam, have attracted much attention for being non-toxic, biodegradable, renewable, and so on....
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Preparation of waterborne polyurethane based on different polyols: the effect of structure and crystallinity
Waterborne polyurethane (WPU) with different polyols (polyester diol and polyether diol, different crystalline degree) as soft segments was...
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Green fluorescent waterborne polyurethane polyols
In this paper, we reported a series of green fluorescent flame-retardant waterborne polyurethane polyols. The polyurethane polyols were uniformly...
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Synthesis of Polyols and Organic Acids by Wild-Type and Metabolically Engineered Yarrowia lipolytica Strains
In the yeast Yarrowia lipolytica, sugar polyols and organic acids are derived from central metabolism, namely the citrate cycle and the pentose... -
Effect of Kraft lignin and palm kernel oil as substitutes of petroleum-based polyols on the properties of viscoelastic polyurethane foams
Viscoelastic polyurethane (VE-PU), also known as memory foams are petroleum-based materials widely used in industry due to their specific properties,...
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Synthesis of plant oil derived polyols and their effects on the properties of prepared ethyl cellulose composite films
AbstractPolyols with different number of hydroxyl groups were synthesized from ricinoleic acid and oleic acid. These plant oil derived polyols can be...
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Effects of innovative aromatic phosphorus containing flame-retardant polyols on rigid polyurethane foams
In this paper, innovative aromatic phosphorus containing flame-retardant polyols (DOPO-MA-EG) were synthesized by employing 9, 10-dihydro-9-oxa-10-...
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Biodegradability and Thermostability of Renewable Waterborne Polyurethane Synthesized from Trihydroxyl poly(L-malic acid)/glycol Based Polyols and Polycaprolactone Diol
A biodegradable composite polyester-based waterborne polyurethane (L-AWPU) was synthesized by coupling L-malic acid with polyethylene glycol,...
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Determination of sodium and potassium contents in palm-based polyols using graphite furnace atomic absorption spectrometer
In the production of palm-based polyols (PBP), multiple purification steps might introduce sodium (Na) and potassium (K) into the polyols. The Na and...
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Effects of low-molecular-weight polyols on the hydration status of the light-harvesting complex 2 from Rhodobacter sphaeroides 2.4.1
Low-molecular-weight (MW) polyols are organic osmolytes influencing water activity. We have investigated the effects of polyol molecules (glycerol...
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Poly(ionic liquid)s-based polyurethane blends: effect of polyols structure and ILs counter cations in CO2 sorption performance of PILs physical blends
Carbon dioxide (CO 2 ) capture from natural gas, and further utilization is an essential issue for greenhouse gas reduction. Poly(ionic liquid)s (PILs)...
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Elaboration and Characterization of Polyurethane Foams Based on Renewably Sourced Polyols
The aim of this work is to prepare and characterize a series of bio-polyurethane foams (Bio-PUFs) based on renewably sourced polyols in order to...
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Synthesis of novel propylene carbonate diol(PCD)and application in CO2-based polyols waterborne polyurethane
Propylene carbonate diols (PCD) were synthesized from propylene carbonate and ethylenediamine (EDA), iso-phorone diamine (IPDA) and...
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Controlling properties of thermoplastic polyurethane-based foam through adopting different type of oligomers
Thermoplastic polyurethane (TPU) has been widely utilized in varied fields due to their excellent properties such as flexibility, stretchability,...