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Thermal properties of epoxy (DGEBA) phenolic resin (NOVOLAC) blends
Joint Authors
Shukr Allah, Sammani Ali
al-Muaikel, Nayif Salih
Source
The Arabian Journal for Science and Engineering. Section B, Engineering
Issue
Vol. 35, Issue 1B (30 Apr. 2010), pp.8-14, 7 p.
Publisher
King Fahd University of Petroleum and Minerals
Publication Date
2010-04-30
Country of Publication
Saudi Arabia
No. of Pages
7
Main Subjects
Abstract AR
لقد تم التمكن من الحصول على خلائط DGEBA/Phn بوساطة تقنية الخلط التعاقبي.
و قد تمت دراسة معامل التوصيل الحراري لهذه الخلائط خلال المدى الحراري 303-373˚K، و أظهرت النتائج زيادة في قيم معامل التوصيل الحراري عند زيادة النسبة الوزنية للنوفولاك (Phn)، و رصدت زيادة في معامل التوصيل الحراري عند درجات الحرارة العالية نتيجة زيادة الحركة الجزيئية الداخلية.
كذلك تمت دراسة الاستقرارية الحرارية لخلائط DGEBA/Phn باستخدام تقنية التحليل الحراري التفاضلي (DTA) و تقنية (TGA) و قد بينت النتاج أن درجة حرارة التحول الزجاجي و نسبة متبقي الفحم تزداد بزيادة النسبة الوزنية للنوفولاك (Phn)، مما يشير إلى أن النوفولاك قد حسن من الاستقرارية الحرارية للخلائط.
Abstract EN
The DGEBA / Phn blends were formulated by a sequential mixing process.
The thermal conductivity (k) of the blends has been measured as a function of temperature over the range 303–373K°.
The results show that the values of k increase with increasing Phn weight fraction.
It also considers an increase in the effective thermal conductivity at high temperatures due to increasing the intermolecular vibrations.
Thermal stability was investigated by differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA) techniques.
Both glass transition temperature (TG) and char yields of the blends increase with increasing Phn weight fraction.
The novolac enhances the thermal stability of DGEBA.The DGEBA / Phn blends were formulated by a sequential mixing process.
The thermal conductivity (k) of the blends has been measured as a function of temperature over the range 303–373K°.
The results show that the values of k increase with increasing Phn weight fraction.
It also considers an increase in the effective thermal conductivity at high temperatures due to increasing the intermolecular vibrations.
Thermal stability was investigated by differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA) techniques.
Both glass transition temperature (TG) and char yields of the blends increase with increasing Phn weight fraction.
The novolac enhances the thermal stability of DGEBA.The DGEBA / Phn blends were formulated by a sequential mixing process.
The thermal conductivity (k) of the blends has been measured as a function of temperature over the range 303–373K°.
The results show that the values of k increase with increasing Phn weight fraction.
It also considers an increase in the effective thermal conductivity at high temperatures due to increasing the intermolecular vibrations.
Thermal stability was investigated by differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA) techniques.
Both glass transition temperature (TG) and char yields of the blends increase with increasing Phn weight fraction.
The novolac enhances the thermal stability of DGEBA.The DGEBA / Phn blends were formulated by a sequential mixing process.
The thermal conductivity (k) of the blends has been measured as a function of temperature over the range 303–373K°.
The results show that the values of k increase with increasing Phn weight fraction.
It also considers an increase in the effective thermal conductivity at high temperatures due to increasing the intermolecular vibrations.
Thermal stability was investigated by differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA) techniques.
Both glass transition temperature (TG) and char yields of the blends increase with increasing Phn weight fraction.
The novolac enhances the thermal stability of DGEBA.The DGEBA / Phn blends were formulated by a sequential mixing process.
The thermal conductivity (k) of the blends has been measured as a function of temperature over the range 303–373K°.
The results show that the values of k increase with increasing Phn weight fraction.
It also considers an increase in the effective thermal conductivity at high temperatures due to increasing the intermolecular vibrations.
Thermal stability was investigated by differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA) techniques.
Both glass transition temperature (TG) and char yields of the blends increase with increasing Phn weight fraction.
The novolac enhances the thermal stability of DGEBA.The DGEBA / Phn blends were formulated by a sequential mixing process.
The thermal conductivity (k) of the blends has been measured as a function of temperature over the range 303–373K°.
The results show that the values of k increase with increasing Phn weight fraction.
It also considers an increase in the effective thermal conductivity at high temperatures due to increasing the intermolecular vibrations.
Thermal stability was investigated by differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA) techniques.
Both glass transition temperature (TG) and char yields of the blends increase with increasing Phn weight fraction.
The novolac enhances the thermal stability of DGEBA.The DGEBA / Phn blends were formulated by a sequential mixing process.
The thermal conductivity (k) of the blends has been measured as a function of temperature over the range 303–373K°.
The results show that the values of k increase with increasing Phn weight fraction.
It also considers an increase in the effective thermal conductivity at high temperatures due to increasing the intermolecular vibrations.
Thermal stability was investigated by differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA) techniques.
Both glass transition temperature (TG) and char yields of the blends increase with increasing Phn weight fraction.
The novolac enhances the thermal stability of DGEBA.The DGEBA / Phn blends were formulated by a sequential mixing process.
The thermal conductivity (k) of the blends has been measured as a function of temperature over the range 303–373K°.
The results show that the values of k increase with increasing Phn weight fraction.
It also considers an increase in the effective thermal conductivity at high temperatures due to increasing the intermolecular vibrations.
Thermal stability was investigated by differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA) techniques.
Both glass transition temperature (TG) and char yields of the blends increase with increasing Phn weight fraction.
The novolac enhances the thermal stability of DGEBA.The DGEBA / Phn blends were formulated by a sequential mixing process.
The thermal conductivity (k) of the blends has been measured as a function of temperature over the range 303–373K°.
The results show that the values of k increase with increasing Phn weight fraction.
It also considers an increase in the effective thermal conductivity at high temperatures due to increasing the intermolecular vibrations.
Thermal stability was investigated by differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA) techniques.
Both glass transition temperature (TG) and char yields of the blends increase with increasing Phn weight fraction.
The novolac enhances the thermal stability of DGEBA.
American Psychological Association (APA)
Shukr Allah, Sammani Ali& al-Muaikel, Nayif Salih. 2010. Thermal properties of epoxy (DGEBA) phenolic resin (NOVOLAC) blends. The Arabian Journal for Science and Engineering. Section B, Engineering،Vol. 35, no. 1B, pp.8-14.
https://search.emarefa.net/detail/BIM-308439
Modern Language Association (MLA)
Shukr Allah, Sammani Ali& al-Muaikel, Nayif Salih. Thermal properties of epoxy (DGEBA) phenolic resin (NOVOLAC) blends. The Arabian Journal for Science and Engineering. Section B, Engineering Vol. 35, no. 1B (Apr. 2010), pp.8-14.
https://search.emarefa.net/detail/BIM-308439
American Medical Association (AMA)
Shukr Allah, Sammani Ali& al-Muaikel, Nayif Salih. Thermal properties of epoxy (DGEBA) phenolic resin (NOVOLAC) blends. The Arabian Journal for Science and Engineering. Section B, Engineering. 2010. Vol. 35, no. 1B, pp.8-14.
https://search.emarefa.net/detail/BIM-308439
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 13-14
Record ID
BIM-308439