STUDY ON THE EFFECT OF FLOUR GLUE ADDITIVE TO REDUCE THE GYPSUM CURING TIME AND IMPROVE THE PHYSICAL AND MECHANICAL PROPERTIES OF WOOD GYPSUMBOARD MADE FROM POPLAR PARTICLES AND CANOLA STEM WASTES

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RANGAVAR H.

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Journal: Iranian Journal of Wood and Paper Science Research Year:2015 | Volume:30 | Issue:3 Page(s): 388-398

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Title

STUDY ON THE EFFECT OF FLOUR GLUE ADDITIVE TO REDUCE THE GYPSUM CURING TIME AND IMPROVE THE PHYSICAL AND MECHANICAL PROPERTIES OF WOOD GYPSUMBOARD MADE FROM POPLAR PARTICLES AND CANOLA STEM WASTES

Author(s)

RANGAVAR H. | Issue Writer Certificate

Keywords

WOOD GYPSUM PARTICLEBOARDQ2

FLOUR GLUEQ2

GYPSUM HYDRATIONQ2

PHYSICAL AND MECHANICAL PROPERTIESQ2

CANOLA STEM WASTESQ2

Abstract

One of the major problems in wood gypsumboard production is fast hydration and thus reducing the PHYSICAL AND MECHANICAL PROPERTIES of the final product. In order to increase the curing time of gypsum, flourglue was used in wood gypsumboard production from canola wastes and poplar wood particles. To assess the setting time of gypsum, the Vicat Needle was used based on the ASTM C191. For this purpose, pure gypsum paste and the pastes with the ratios of 0, 0.1, 0.2, 0.3, 0.4 and 0.5 % FLOUR GLUE to dried gypsum were settled in the mentioned device, then the setting time was determined. Thus amount 0.1% FLOUR GLUE was selected for the manufacturing of wood gypsumboard. To evaluate the effects of FLOUR GLUE andcanola straw wastes on the PHYSICAL AND MECHANICAL PROPERTIES wood gypsumboard, two levels of FLOUR GLUE (0 and 0.1 % of the gypsum) and the canola straw wastes at 5 levels (0, 25, 50, 75 and 100% of the weight) of poplar particles wood was used. Density of boards was 0.9 g/cm3 and the thickness was 16 mm. The test specimens were prepared to measure the PHYSICAL AND MECHANICAL PROPERTIES according to EN standard. Results showed, FLOUR GLUE addition increased the GYPSUM HYDRATIONtime and improved all the PHYSICAL AND MECHANICAL PROPERTIES of wood gypsumboard. Also using of CANOLA STEM WASTES increased water absorption and thickness swelling after 2 and 24 hours immersion. Flexural strength and modulus of elasticity of the boards were increased up to 25% canola wastes compared to poplar wood particles. However internal bond of the boards decreased by the increasing the amount of the canola wastes.

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APA: Copy

RANGAVAR, H.. (2015). STUDY ON THE EFFECT OF FLOUR GLUE ADDITIVE TO REDUCE THE GYPSUM CURING TIME AND IMPROVE THE PHYSICAL AND MECHANICAL PROPERTIES OF WOOD GYPSUMBOARD MADE FROM POPLAR PARTICLES AND CANOLA STEM WASTES. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 30(3), 388-398. SID. https://sid.ir/paper/109489/en

Vancouver: Copy

RANGAVAR H.. STUDY ON THE EFFECT OF FLOUR GLUE ADDITIVE TO REDUCE THE GYPSUM CURING TIME AND IMPROVE THE PHYSICAL AND MECHANICAL PROPERTIES OF WOOD GYPSUMBOARD MADE FROM POPLAR PARTICLES AND CANOLA STEM WASTES. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2015;30(3):388-398. Available from: https://sid.ir/paper/109489/en

IEEE: Copy

H. RANGAVAR, “STUDY ON THE EFFECT OF FLOUR GLUE ADDITIVE TO REDUCE THE GYPSUM CURING TIME AND IMPROVE THE PHYSICAL AND MECHANICAL PROPERTIES OF WOOD GYPSUMBOARD MADE FROM POPLAR PARTICLES AND CANOLA STEM WASTES,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 30, no. 3, pp. 388–398, 2015, [Online]. Available: https://sid.ir/paper/109489/en

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