SYNTHESIS AND CHARACTERIZATION OF ANIONIC POLYESTER-POLYURETHANE DISPERSION AS ENVIRONMENTALLY-FRIENDLY WATER BASED RESINS

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NAJAFI F.; MANOUCHEHRI F.; SHAABANZADEH M.

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Journal: Journal of Chemical Health Risks Year:2011 | Volume:1 | Issue:2 Page(s): 23-26

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Title

SYNTHESIS AND CHARACTERIZATION OF ANIONIC POLYESTER-POLYURETHANE DISPERSION AS ENVIRONMENTALLY-FRIENDLY WATER BASED RESINS

Author(s)

NAJAFI F. | MANOUCHEHRI F. | SHAABANZADEH M. | Issue Writer Certificate

Keywords

ANIONIC POLYESTER-POLYURETHANE DISPERSIONS

GREEN CHEMISTRY

Abstract

Aqueous polyurethane dispersions (PUDs) have recently emerged as important alternatives to their solvent-based counterparts for various applications due to increasing health and environmental awareness (green chemistry). ANIONIC POLYESTER-POLYURETHANE DISPERSIONS were synthesized by three steps. In the first step, macromonomer diisocyanate having carboxylic acid was prepared by isophorone diisocyanate (IPDI), dimethylol propionic acid (DMPA) in percent of acetone as solvent and dibutyldtin dilaurate (DBTDL) as catalyst. Then, carboxylic polyurethane was prepared by reaction macromonomer diisocyanate having carboxylic acid with linear aliphatic polyester (Mw=2000), trifunctional polyester (Mw=2800) and butanediol (BDO) as chain extender. The next step involved neutralization and dispersion in water, where acidic polyurethane was neutralized by the addition of triethylamine (TEA). Factors influencing the synthesis of polyurethane dispersion mainly involve reaction temperature, reaction time, the concentration of catalyst, DMPA content and BDO content, were studied. The polymers have been characterized with DSC and FTIR.

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APA: Copy

NAJAFI, F., MANOUCHEHRI, F., & SHAABANZADEH, M.. (2011). SYNTHESIS AND CHARACTERIZATION OF ANIONIC POLYESTER-POLYURETHANE DISPERSION AS ENVIRONMENTALLY-FRIENDLY WATER BASED RESINS. JOURNAL OF CHEMICAL HEALTH RISKS (JCHR), 1(2), 23-26. SID. https://sid.ir/paper/340196/en

Vancouver: Copy

NAJAFI F., MANOUCHEHRI F., SHAABANZADEH M.. SYNTHESIS AND CHARACTERIZATION OF ANIONIC POLYESTER-POLYURETHANE DISPERSION AS ENVIRONMENTALLY-FRIENDLY WATER BASED RESINS. JOURNAL OF CHEMICAL HEALTH RISKS (JCHR)[Internet]. 2011;1(2):23-26. Available from: https://sid.ir/paper/340196/en

IEEE: Copy

F. NAJAFI, F. MANOUCHEHRI, and M. SHAABANZADEH, “SYNTHESIS AND CHARACTERIZATION OF ANIONIC POLYESTER-POLYURETHANE DISPERSION AS ENVIRONMENTALLY-FRIENDLY WATER BASED RESINS,” JOURNAL OF CHEMICAL HEALTH RISKS (JCHR), vol. 1, no. 2, pp. 23–26, 2011, [Online]. Available: https://sid.ir/paper/340196/en

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