DETERMINATION OF KINETICS PARAMETERS OF POLYURETHANE FORMATION REACTION AND INVESTIGATION OF CURE RATIO AND FILLER EFFECT

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MOUSAVIAN SEYED MOHAMMAD ALI; AHMADY M.

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Journal: Year:2000 | Volume:34 | Issue:2 (68) Page(s): 73-82

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Title

DETERMINATION OF KINETICS PARAMETERS OF POLYURETHANE FORMATION REACTION AND INVESTIGATION OF CURE RATIO AND FILLER EFFECT

Author(s)

MOUSAVIAN SEYED MOHAMMAD ALI | AHMADY M. | Issue Writer Certificate

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Abstract

The kinetics of reaction between HTPB (Hydroxyl Terminated Polybutadiene) and IDI (Toluene Diisocyanate) bas been investigated. Back procedure is used for determination of extent of reaction. In this procedure the additives will not disturb the experiments. The reaction was only investigated up to gel point, because of unreproducibility for postgel samples. The extent of reaction was measured at four different temperatures for polymeric binder and the constants of apparent second order rate equation were obtained. Because of different situation of isocyanate groups in TO! a break appears in the said quadratic curves. Also cure ratio parameter (R or equivalent ratio of NCO to OH) was varied, but the effect of variation of this ratio on the rate of reaction was not very much sensible (R was varied from 0.84 to 0.95). Finally the effect of Ammonium perchlorate was studied. It is found that as the extent of this additive is increased, its reducing effect of reaction rate will increase, and as Ammonium perchlorate sizing becomes larger the rate of reaction will decrease.

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APA: Copy

MOUSAVIAN, SEYED MOHAMMAD ALI, & AHMADY, M.. (2000). DETERMINATION OF KINETICS PARAMETERS OF POLYURETHANE FORMATION REACTION AND INVESTIGATION OF CURE RATIO AND FILLER EFFECT. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 34(2 (68)), 73-82. SID. https://sid.ir/paper/381195/en

Vancouver: Copy

MOUSAVIAN SEYED MOHAMMAD ALI, AHMADY M.. DETERMINATION OF KINETICS PARAMETERS OF POLYURETHANE FORMATION REACTION AND INVESTIGATION OF CURE RATIO AND FILLER EFFECT. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2000;34(2 (68)):73-82. Available from: https://sid.ir/paper/381195/en

IEEE: Copy

SEYED MOHAMMAD ALI MOUSAVIAN, and M. AHMADY, “DETERMINATION OF KINETICS PARAMETERS OF POLYURETHANE FORMATION REACTION AND INVESTIGATION OF CURE RATIO AND FILLER EFFECT,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 34, no. 2 (68), pp. 73–82, 2000, [Online]. Available: https://sid.ir/paper/381195/en

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