H. Sei, “Catalysts for Polyurethanes and Polyisocyanu- rates,” International Progress in Urethanes, Techmonic Publishing Co. Inc., Westport, 1981. - References - Scientific Research Publishing

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H. Sei, “Catalysts for Polyurethanes and Polyisocyanu- rates,” International Progress in Urethanes, Techmonic Publishing Co. Inc., Westport, 1981.

has been cited by the following article:

TITLE: Chemical Analyses of Palm Kernel Oil-Based Polyurethane Prepolymer

AUTHORS: Chee Sien Wong, Khairiah Haji Badri

KEYWORDS: Palm Kernel Oil; Prepolymerization; Polyurethane; Soft Segment; Hard Segment

JOURNAL NAME: Materials Sciences and Applications, Vol.3 No.2, February 17, 2012

ABSTRACT: Polyurethane (PU) was prepared from palm kernel oil-based monoester polyol (PKO-p) via prepolymerization method at NCO/OH ratio of 200/100, 150/100, 100/100, and 75/100 at ambient temperature under nitrogen gas atmosphere. The structure of the synthesized prepolymerized PKO-p PU was determined using FTIR and 13C NMR. The disapperance of NCO peak in the FTIR spectrum at 2270 cm–1 - 2250 cm–1 cm showed that MDI has completely reacted to form PU. The appearance of C=O peak at 1700 cm–1 indicated that hydrogen bonding was formed between the soft segmented chain of the PKO-p and the hard segmented MDI. Hence, urethane bond was the main polymeric chain in the PU.

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