SUFFOCATION EFFECT ON REACTIVITY OF TREE BARK EXTRACTIVE MATERIALS

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TORKAMAN J.

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Journal: Iranian Journal of Polymer Science and Technology Year:2006 | Volume:19 | Issue:1 (ISSUE NO. 81) Page(s): 53-58

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Information Journal Paper

Title

SUFFOCATION EFFECT ON REACTIVITY OF TREE BARK EXTRACTIVE MATERIALS

Author(s)

TORKAMAN J. | Issue Writer Certificate

Keywords

ALDERQ3

OAKQ3

SULFONATIONQ3

EXTRACTIVE MATERIALSQ3

STIANSY NUMBERQ3

Abstract

In this study, EXTRACTIVE MATERIALS were taken from the bark of ALDER (Alnus Subcordata) and OAK (Quercus Castanifolia) using water and 1% NaOH solution (with and without SULFONATION) at 90°C temperature and 60 min extraction time. SULFONATION effects were studied by the obtained yield and polyphenolic compounds. Data were statistically analyzed with SPSS software. Multifactor analysis was used (α =0.05 and α =0.01) to test for significance between factors and levels. A multiple comparison of the means was performed employing a Dancan test to identify which groups were significantly different. Results showed that there is not a significant difference between the yield of both methods of extraction at SULFONATION and unsulfonation conditions. But there is a significant difference in polyphenolic compounds. SULFONATION increases the solubility of ALDER and OAK EXTRACTIVE MATERIALS 8% and 10 %, respectively. In general, according to Stiasny number of ALDER (91.21%) and OAK (69.74%) their reactive polyphenolic compounds can react with formaldehyde and replace phenol in phenol-formaldehyde resin.

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APA: Copy

TORKAMAN, J.. (2006). SUFFOCATION EFFECT ON REACTIVITY OF TREE BARK EXTRACTIVE MATERIALS. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 19(1 (ISSUE NO. 81)), 53-58. SID. https://sid.ir/paper/6664/en

Vancouver: Copy

TORKAMAN J.. SUFFOCATION EFFECT ON REACTIVITY OF TREE BARK EXTRACTIVE MATERIALS. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2006;19(1 (ISSUE NO. 81)):53-58. Available from: https://sid.ir/paper/6664/en

IEEE: Copy

J. TORKAMAN, “SUFFOCATION EFFECT ON REACTIVITY OF TREE BARK EXTRACTIVE MATERIALS,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 19, no. 1 (ISSUE NO. 81), pp. 53–58, 2006, [Online]. Available: https://sid.ir/paper/6664/en

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