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Journal of polymers and the environment
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7990-2010
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Fourier transform infrared spectroscopy
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- Author:
- Gonçalves, S. P. C.; Martins-Franchetti, S. M.
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 714-719
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; biodegradation; differential scanning calorimetry; interphase; scanning electron microscopy; soil; soil microorganisms; thermogravimetry
- Abstract:
- ... Poly(hydroxybutyrate-co-valerate) (PHBV) and poly(ε-caprolactone) (PCL) PCL/PHBV (4:1) blend films were prepared by melt-pressing. The biodegradation of the films in response to burial in soil for 30 days was investigated by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), differential scanning calorimetry (DSC) and thermogravimetry (TG). The PHBV film was the mo ...
- DOI:
- 10.1007/s10924-010-0209-9
- https://doi.org/10.1007/s10924-010-0209-9
- Author:
- Dutta, Suvangshu; Karak, Niranjan; Saikia, Jyoti Prasad; Konwar, Bolin Kumar
- Source:
- Journal of polymers and the environment 2010 v.18 no.3 pp. 167-176
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; Mesua ferrea; biodegradability; biodegradation; coatings; composite polymers; culture media; epoxides; formaldehyde; mechanical properties; melamine; microbial growth; mixing; polyurethanes; resins; scanning electron microscopy; seed oils; soil; spectral analysis; turbidity; wavelengths; weight loss
- Abstract:
- ... Mesua ferrea L. seed oil (MFLSO) modified polyurethanes blends with epoxy and melamine formaldehyde (MF) resins have been studied for biodegradation with two techniques, namely microbial degradation (broth culture technique) and natural soil burial degradation. In the former technique, rate of increase in bacterial growth in polymer matrix was monitored for 12 days via a visible spectrophotometer ...
- DOI:
- 10.1007/s10924-010-0161-8
- https://doi.org/10.1007/s10924-010-0161-8
- Author:
- Ferreira, Flávia Gonçalves Domingues; de Andrade Lima, Maria Alice Gomes; de Almeida, Yêda Medeiros Bastos; Vinhas, Glória Maria
- Source:
- Journal of polymers and the environment 2010 v.18 no.3 pp. 196-201
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; biodegradation; carbon dioxide; chemical structure; fungi; gamma radiation; mechanical properties; modified starch; polyethylene; scanning electron microscopy
- Abstract:
- ... Blends of LDPE/modified starch were prepared, sterilized by gamma radiation and investigated with respect to their microbial degradation by a mixture of fungal strains in liquid medium after 90 days, was analyzed by carbon dioxide (CO₂) production (Sturm test). Biodegradation of blends was evaluated by Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction; mechanical testing, scanni ...
- DOI:
- 10.1007/s10924-010-0202-3
- https://doi.org/10.1007/s10924-010-0202-3
- Author:
- Carvalho, Elaine S.; Sánchez, Rubén J.; Tavares, Maria I. B.; Lamônica, Álano C.
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 661-667
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; acrylic acid; cellulose; cellulose acetate; contact angle; glass transition; hydrophilicity; nuclear magnetic resonance spectroscopy; polymers; propionic acid; thermal stability
- Abstract:
- ... The chemical modification of Acrylamidomethyl Cellulose Acetate Propionate (AMCAP) was carried out by radical addition of acrylic acid. The structural modification was confirmed with the aid of FTIR, MS and NMR techniques. Thermal properties of hydrophilic cellulose derivative (AMCAP-H₂O₂) such as glass transition (Tg 153 °C) and thermal stability (372.7 °C) were determined by DSC and TGA techniqu ...
- DOI:
- 10.1007/s10924-010-0221-0
- https://doi.org/10.1007/s10924-010-0221-0
- Author:
- Alam, Manawwer; Ashraf, S. M.; Ray, Alok R.; Ahmad, Sharif
- Source:
- Journal of polymers and the environment 2010 v.18 no.3 pp. 208-215
- ISSN:
- 1566-2543
- Subject:
- steel; thermal stability; nuclear magnetic resonance spectroscopy; thermogravimetry; coatings; laboratory techniques; resins; hardness; polymerization; xylene; urethane; linseed oil; differential scanning calorimetry; solvents; Fourier transform infrared spectroscopy; polymers; condensation reactions; resorcinol
- Abstract:
- ... Polyetheramide(PEtA) resin was synthesized by the condensation polymerization of N,N-bis(2-hydroxy ethyl) linseed oil fatty amide diol (HELA) with resorcinol. It was further treated with different percentage of toluylene 2-4-diisocyanate (TDI) to obtain the urethane modified polyetheramide resins (UPEtA). The structural elucidation of PEtA and urethane modified polyetheramide(UPEtA) were carried o ...
- DOI:
- 10.1007/s10924-010-0177-0
- https://doi.org/10.1007/s10924-010-0177-0
- Author:
- Anyaogu, Ikechukwu D.; Ejikeme, Paul M.; Ibemesi, John A.
- Source:
- Journal of polymers and the environment 2010 v.18 no.2 pp. 104-115
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; coatings; drying; fatty acids; hardness; hydrogen bonding; polyamides; resins; skinning; soybean oil
- Abstract:
- ... Soybean oil (SBO) was dimerized and the crude dimer acid product reacted with 1,2-phenylene diamine at 210 ± 5 °C under inert atmosphere to obtain fatty polyamide (FPA). The FPA was used to modify a commercial alkyd resin by reacting a mixture of the alkyd resin with 5 wt% of FPA at 120 °C for 80 min under inert atmosphere. The FTIR spectrum of the FPA modified resin showed evidence of higher degr ...
- DOI:
- 10.1007/s10924-010-0160-9
- https://doi.org/10.1007/s10924-010-0160-9
- Author:
- Tiwary, Praphulla; Guria, Chandan
- Source:
- Journal of polymers and the environment 2010 v.18 no.3 pp. 298-307
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; autoclaves; benzene; catalysts; filtrates; gas chromatography; hydrogen; manganese; molecular weight; polystyrenes; recycling; solvents; temperature; viscosity
- Abstract:
- ... Degradation of waste polystyrene is carried out in presence of hydrogen using several metal oxide catalysts at elevated temperature and pressure for recycling. Benzene is used as a solvent for degradation. Initial hydrogen pressure in the autoclave is kept at 7.0 kg/cm² (g) and polystyrene degradation is carried out at 240 °C. After degradation, degraded polystyrene residue is separated and analyz ...
- DOI:
- 10.1007/s10924-010-0235-7
- https://doi.org/10.1007/s10924-010-0235-7
- Author:
- Ramezanzadeh, B.; Mohseni, M.; Yari, H.
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 545-557
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; aluminum; crosslinking; drying; environmental factors; gum arabic; hardness; mechanical properties; scanning electron microscopy; slurries; ultraviolet radiation
- Abstract:
- ... In this work the effects of natural gum and its simulated compound (Arabic gum) on an acrylic based clear coat applied on different basecoats were studied. The experiments were conducted at various aging processes to simulate the real outdoor conditions by the aid of different analytical techniques including optical microscopy, scanning electron microscopy, ATR-FTIR spectroscopy, DMTA and micro ha ...
- DOI:
- 10.1007/s10924-010-0201-4
- https://doi.org/10.1007/s10924-010-0201-4
- Author:
- Pathak, Tara Sankar; Yun, Jung-Ho; Lee, Se-Jong; Baek, Dae-Jin; Paeng, Ki-Jung
- Source:
- Journal of polymers and the environment 2010 v.18 no.1 pp. 45-56
- ISSN:
- 1566-2543
- Subject:
- 1-propanol; Fourier transform infrared spectroscopy; Undaria pinnatifida; calcium alginate; ethanol; heat; methanol; polymers; porosity; solvents; thermal analysis; thermal stability; weight loss
- Abstract:
- ... Alginates, extracted from algae are linear unbranched polymers containing β-(1→4)-linked d-mannuronic acid (M) and α-(1→4)-linked l-guluronic acid (G) residues. The conversion of alginic acid into the metal alginate is confirmed using FTIR spectroscopy. Asymmetric and symmetric stretching of free carboxyl group present in metal alginate occurs almost at the same position in various solvent composi ...
- DOI:
- 10.1007/s10924-009-0156-5
- https://doi.org/10.1007/s10924-009-0156-5
- Author:
- Alariqi, Sameh A. S.; Singh, R. P.
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 600-607
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; biodegradation; composite polymers; composting; composts; fungi; gamma radiation; polyethylene; polypropylenes; scanning electron microscopy; viscometry; viscosity
- Abstract:
- ... The aim of the present study is to study the effect of γ-dose rate on the biodegradation of γ-sterilized polyolefins. Films of isotactic polypropylene, high density polyethylene and ethylene-propylene (EP) copolymer were sterilized under γ-radiation with doses of 10 and 25 kGy. Two different ⁶⁰Co sources were used with dose rate 600 and 780 Gy h⁻¹. Neat and sterilized samples were incubated in com ...
- DOI:
- 10.1007/s10924-010-0217-9
- https://doi.org/10.1007/s10924-010-0217-9
- Author:
- Mallakpour, Shadpour; Dinari, Mohammad
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 705-713
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; amino acids; catalysts; condensation reactions; dibutyltin; ionic liquids; microwave radiation; nitrogen; nuclear magnetic resonance spectroscopy; polyamides; solubility; temperature; tetrabutylammonium compounds; thermal stability; thermogravimetry; viscosity; weight loss
- Abstract:
- ... A short and green method for the preparation of optically active aromatic polyamides (PAs) using tetrabutylammonium bromide (TBAB) as a molten ionic liquid is reported. Polycondensation reactions of amino acid containing diacid (2S)-5-(4-methyl-2-phthalimidylpentanoylamino)isophthalic acid with various commercially available diisocyanates in molten TBAB as a green medium or in N-methylpyrrolidone ...
- DOI:
- 10.1007/s10924-010-0253-5
- https://doi.org/10.1007/s10924-010-0253-5
- Author:
- Zhang, J. L.; Wu, D. M.; Yang, D. Y.; Qiu, F. X.
- Source:
- Journal of polymers and the environment 2010 v.18 no.2 pp. 128-134
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; absorption; adhesives; coatings; dispersions; emulsions; finishes; glass transition temperature; hardness; leather; mechanical properties; particle size; polyesters; polyols; polyurethanes; propionic acid; solvents; surface tension; thermal properties; wood
- Abstract:
- ... The waterborne polyurethane (PU) prepolymer was prepared based on isophorone diisocyanate (IPDI), polyester polyol (N220), dimethylol propionic acid (DMPA) and hydroxyethyl methyl acrylate (HEMA). The modified waterborne polyurethane-acrylate (PUA) emulsions were obtained with different proportions of acrylate (butyl acrylate and methyl methacrylate) and initiating agent by in situ dispersion tech ...
- DOI:
- 10.1007/s10924-010-0178-z
- https://doi.org/10.1007/s10924-010-0178-z
- Author:
- Gupta, A. P.; Kumar, Vijai; Sharma, Manjari
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 484-491
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; bio-packaging; biodegradability; crystal structure; extrusion; maleic anhydrides; mixing; packaging films; polyethylene; polysaccharides; potato starch; renewable resources; temperature; thermal stability
- Abstract:
- ... There is a paradigm shift from non renewal resources to renewable resources in view of problems of disposal of plastic products after their life cycle. This paper deals with the approach, preparation and product properties of polymer prepared by using polysaccharide based biodegradable polymer. Basic material has been prepared by mixing LDPE, LDPE-g-mA (LDPE grafted with (0.5%) maleic anhydride (1 ...
- DOI:
- 10.1007/s10924-010-0213-0
- https://doi.org/10.1007/s10924-010-0213-0
- Author:
- Hoidy, Wisam H.; Al-Mulla, Emad A. Jaffar; Al-Janabi, Khalid W.
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 608-616
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; mechanical properties; melting; montmorillonite; polylactic acid; polymer nanocomposites; scanning electron microscopy; thermal stability; thermogravimetry; transmission electron microscopy
- Abstract:
- ... Poly(l-lactic acid) (PLLA)/poly(caprolactone) (PCL) and two types of organoclay (OMMT) including a fatty amide and ocatdecylamine montmorillonite (FA-MMT and ODA-MMT) were employed to produce polymer nanocomposites by melt blending. Materials were characterized using X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), elemental analysis, scann ...
- DOI:
- 10.1007/s10924-010-0240-x
- https://doi.org/10.1007/s10924-010-0240-x
- Author:
- Mallakpour, Shadpour; Tirgir, Farhang; Sabzalian, Mohammad R.
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 685-695
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; biodegradability; catalytic activity; condensation reactions; electrochemistry; energy; heat; ionic liquids; microbial growth; microwave radiation; nuclear magnetic resonance spectroscopy; physical properties; polymerization; polyurethanes; solubility; tetrabutylammonium compounds; thermogravimetry; toxicity; toxicity testing; tyrosine
- Abstract:
- ... Ionic liquids (ILs) have been accepted as ‘green' alternatives to the organic solvents in a range of synthesis, catalysis and electrochemistry, because of their distinctive chemical and physical properties. In this investigation, N,N′-(pyromellitoyl)-bis-l-tyrosine dimethyl ester as a chiral bioactive diphenolic monomer was prepared in three steps. The polycondensation of this monomer with various ...
- DOI:
- 10.1007/s10924-010-0234-8
- https://doi.org/10.1007/s10924-010-0234-8
- Author:
- Luo, Zhaoyang; Wang, Shanshan; Fan, Haojun; Xia, Chunchun; Yuan, Jixin; Liu, Ruowang
- Source:
- Journal of polymers and the environment 2010 v.18 no.3 pp. 339-345
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; biodegradability; biodegradation; chemical oxygen demand; composite polymers; esterification; maleic anhydrides; micelles; molecular weight; rapeseed oil; surface tension; surfactants
- Abstract:
- ... A novel fluorine-containing copolymer surfactant was synthesized via free radical copolymerization from maleic anhydride and rapeseed oil firstly, and then followed by an esterification reaction with dodecafluoro heptanol. The reaction progresses were monitored on-line by FTIR and the copolymerization was characterized by molecular weight (GPC) analysis. Simultaneously, the surface tension and cri ...
- DOI:
- 10.1007/s10924-010-0171-6
- https://doi.org/10.1007/s10924-010-0171-6
- Author:
- Fabiyi, James S.; McDonald, Armando G.
- Source:
- Journal of polymers and the environment 2010 v.18 no.1 pp. 57-64
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; color; colorimetry; lignin; oxidation; poly(vinyl chloride); scanning electron microscopy; weathering; wood; wood plastic composites
- Abstract:
- ... This study investigated weathering effects on polyvinyl chloride (PVC) based wood plastic composites (WPC), with a focus on the color and structure that is attributed to the material composition. It is directed towards quantifying the main chemical modifications, such as carbonyl and vinyl groups which are formed during weathering. These composites were subjected to three weathering regimes: exter ...
- DOI:
- 10.1007/s10924-009-0152-9
- https://doi.org/10.1007/s10924-009-0152-9
- Author:
- Freitas, Adonilson R.; Rubira, Adley F.; Muniz, Edvani C.
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 668-673
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; carbon; ferric chloride; nuclear magnetic resonance spectroscopy; photolysis; stable isotopes; toluene
- Abstract:
- ... In the present work the photo-degradation of polychloroprene (PCP) in toluene solution catalyzed by FeCl₃·6H₂O and polychromatic light was investigated based on FTIR and ¹³C NMR spectroscopies, on conductivity measurements and DSC technique. The band in the 1700-1790 cm⁻¹ range in the FTIR spectrum characterized the presence of carbonyl products due to the degradation of the PCP on the solution ex ...
- DOI:
- 10.1007/s10924-010-0226-8
- https://doi.org/10.1007/s10924-010-0226-8
- Author:
- Jamnongkan, Tongsai; Kaewpirom, Supranee
- Source:
- Journal of polymers and the environment 2010 v.18 no.3 pp. 413-421
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; chitosan; glutaraldehyde; hydrocolloids; polyvinyl alcohol; potassium; slow-release fertilizers; soil water retention
- Abstract:
- ... Controlled release fertilizer (CRF) hydrogels were prepared from poly(vinyl alcohol), poly(vinyl alcohol)/chitosan and chitosan using glutaraldehyde as a crosslinker. Intermolecular interactions of the CRF hydrogels were elucidated using FTIR. Water absorbency characteristics of the CRF hydrogels were also studied. It was found that the CRF hydrogels exhibited the equilibrium swelling ratio (SR) i ...
- DOI:
- 10.1007/s10924-010-0228-6
- https://doi.org/10.1007/s10924-010-0228-6
- Author:
- AL-Sabagh, A. M.; Abdeen, Z.
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 576-583
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; absorbents; catalysts; crosslinking; dryers; epichlorohydrins; gels; glutaraldehyde; hydrocolloids; pH; polyvinyl alcohol; potassium hydroxide; solvents; temperature; thermal properties
- Abstract:
- ... Poly(vinyl alcohol) (PVA) hydrogels were chemically cross-linked with/without different cross-linkers such as glutaraldehyde and epichlorohydrin, in the presence of a catalyst, or activator (potassium hydroxide) to produce three types of hydrogels. The structures of PVA and the prepared gel types were determined by FTIR spectroscopy, the mechanical and thermal properties, of these hydrogels were e ...
- DOI:
- 10.1007/s10924-010-0200-5
- https://doi.org/10.1007/s10924-010-0200-5
- Author:
- Tajvidi, Mehdi; Takemura, Akio
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 500-509
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; absorption; bagasse; composite materials; contact angle; desorption; dimensional stability; grinding; hygroscopicity; image analysis; models; polypropylenes; recycling; rice hulls; scanning electron microscopy; wood flour
- Abstract:
- ... Detailed analysis of the effects of recycling process on long-term water absorption, thickness swelling and water desorption behavior of natural fiber polypropylene composites is reported. Composite materials containing polypropylene and wood flour, rice hulls or bagasse fibers were produced at constant fiber loading and were exposed to a simulated recycling process consisting of up to five times ...
- DOI:
- 10.1007/s10924-010-0215-y
- https://doi.org/10.1007/s10924-010-0215-y
- Author:
- Kim, Han-Min; Kim, Hak-Ryul; Kim, Beom Soo
- Source:
- Journal of polymers and the environment 2010 v.18 no.3 pp. 291-297
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; biodegradability; biomedical materials; crosslinking; mechanical properties; nuclear magnetic resonance spectroscopy; pH; polyethylene glycol; polymerization; soybean oil; soybeans
- Abstract:
- ... Novel soybean oil-based crosslinked polymer networks were prepared by UV photopolymerization and their mechanical properties were evaluated. Poly(ethylene glycol) diacrylate (PEGDA) and biodegradable poly(ε-caprolactone) diacrylate (PCLDA) were synthesized and used as crosslinking agent to form crosslinked polymer networks by UV-initiated free-radical polymerization with acrylated epoxidized soybe ...
- DOI:
- 10.1007/s10924-010-0174-3
- https://doi.org/10.1007/s10924-010-0174-3
- Author:
- Das, Kunal; Ray, Dipa; Bandyopadhyay, N. R.; Sengupta, Suparna
- Source:
- Journal of polymers and the environment 2010 v.18 no.3 pp. 355-363
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; acid hydrolysis; biocomposites; cellulose; cotton; crystallites; deformation; hardness; jute; newsprint; particle size; renewable resources; scanning electron microscopy; sulfuric acid; temperature; thermal stability; thermogravimetry; transmission electron microscopy; viscoelasticity
- Abstract:
- ... The main objective of this work was to extract microcrystalline cellulose (MCC) particles from different cellulosic resources like cotton, jute, newsprint, filter paper and investigate their suitability as green reinforcing material in biocomposites. The MCC particles were extracted by acid hydrolysis with 64% sulphuric acid. The processing parameters like acid concentration, temperature, time and ...
- DOI:
- 10.1007/s10924-010-0167-2
- https://doi.org/10.1007/s10924-010-0167-2
- Author:
- Arcana, I. Made; Bundjali, Bunbun; Hasan, M.; Hariyawati, Ketut; Mariani, Helen; Anggraini, Shinta Dewi; Ardana, Aditya
- Source:
- Journal of polymers and the environment 2010 v.18 no.3 pp. 188-195
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; absorption; activated sludge; biodegradability; crystal structure; enzymes; mechanical properties; microorganisms; polymerization; polymers; polyols; thermal properties; urethane
- Abstract:
- ... Poly(urethane-ester) was prepared by polymerization of 4,4′-methylenebis(phenyl isocyanate) (MDI) and prepolymers of ε-caprolactone and 2,2-dimethyl-1,3-propanediol monomers P(CL-DP) with various chain lengths as polyol sources. Characterizations of poly(urethane-ester) were carried out by analysis of functional groups (FTIR), thermal properties (DTA/TGA), mechanical properties (Tensile tester), c ...
- DOI:
- 10.1007/s10924-010-0189-9
- https://doi.org/10.1007/s10924-010-0189-9
- Author:
- Maafi, El Miloud; Malek, Fouad; Tighzert, Lan; Dony, Philippe
- Source:
- Journal of polymers and the environment 2010 v.18 no.4 pp. 638-646
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; biphenyl; cellulose; cellulosic fibers; composite materials; differential scanning calorimetry; mechanical properties; polyurethanes; scanning electron microscopy; stems
- Abstract:
- ... Polyurethane (PU) based on polycaprolactone (PCL) and 4,4′ diphenyl methylene diisocyanate (MDI) was synthesized using a two-step method. The PU obtained was then blended with various amounts of cellulose extracted from alfa stems to prepare composite materials. The influence of cellulose on the thermal and mechanical properties of different composites was demonstrated by means of several characte ...
- DOI:
- 10.1007/s10924-010-0218-8
- https://doi.org/10.1007/s10924-010-0218-8
26. Synthesis of Soy-Polyol by Two Step Continuous Route and Development of Soy-Based Polyurethane Foam
- Author:
- Bandyopadhyay-Ghosh, Sanchita; Ghosh, Subrata B.; Sain, Mohini
- Source:
- Journal of polymers and the environment 2010 v.18 no.3 pp. 437-442
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; cell structures; chemical structure; computed tomography; depolymerization; dissociation; energy; epoxides; foams; microstructure; polyols; polyurethanes; scanning electron microscopes; thermal degradation; thermogravimetry; viscosity
- Abstract:
- ... Soy-polyol has been synthesized via a low energy two-step continuous route thus avoiding intermediate steps and chemicals. The functional groups of soy-polyol thus produced were identified by Fourier transform infrared (FTIR) spectroscopy which confirmed the cleavage of the double bonds, the formation of new epoxy linkages and the presence of hydroxyl groups. The change in chemical structure and p ...
- DOI:
- 10.1007/s10924-010-0186-z
- https://doi.org/10.1007/s10924-010-0186-z