Synthesis of polyglycolic acid copolymers from cationic copolymerization of C1 feedstocks and long chain epoxides
المؤلفون المشاركون
Gokturk, Ersen
Reyhanoglu, Yosif
المصدر
Journal of Saudi Chemical Society
العدد
المجلد 23، العدد 7 (30 نوفمبر/تشرين الثاني 2019)، ص ص. 879-886، 8ص.
الناشر
تاريخ النشر
2019-11-30
دولة النشر
السعودية
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
Polyglycolic acid (PGA), which is an important biodegradable polymer, can traditionally be synthesized through the ring opening polymerization of glycolide (with mostly using tin octano-ate catalyst).
Our previous studies revealed that PGA was alternatively synthesized with one-step cationic polymerization of formaldehyde from trioxane and carbonmonoxide (CO), sustainable C1 feedstocks obtainable from biomethanol or biogas.
PGA and its copolymers can be mainly used for the biomedical applications due to their biocompatibility and biodegradability.
In order to uti-lize PGA in other marketing materials such as packaging, PGA should be specifically engineered to improve its physical properties by a copolymerization strategy utilizing appropriate comonomers since PGA displays brown or beige color and is not soluble in most organic solvents due to its very high crystallinity.
In this study; to improve on the physical properties of PGA, such as melting tem-perature and solubility, polymerizations of trioxane, CO and a minor amount of epoxides with long side chains were performed under the same reaction condition as PGA homopolymer synthesis (DCM solvent, at 800 psi, with triflic acid catalyst, reaction time of 72 h).
The results have shown that optimum polymerizations were achieved at lower reaction temperatures than that of PGA homopolymer synthesis (110 °C versus 170 °C).
The melting temperatures of all copolymers are lower, and the colors of the copolymers have become lighter than that of PGA homopolymer.The solubilities of obtained copolymers also increased by increasing side chain length of epoxidesin the polymer backbone
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Reyhanoglu, Yosif& Gokturk, Ersen. 2019. Synthesis of polyglycolic acid copolymers from cationic copolymerization of C1 feedstocks and long chain epoxides. Journal of Saudi Chemical Society،Vol. 23, no. 7, pp.879-886.
https://search.emarefa.net/detail/BIM-1493923
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Reyhanoglu, Yosif& Gokturk, Ersen. Synthesis of polyglycolic acid copolymers from cationic copolymerization of C1 feedstocks and long chain epoxides. Journal of Saudi Chemical Society Vol. 23, no. 7 (Nov. 2019), pp.879-886.
https://search.emarefa.net/detail/BIM-1493923
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Reyhanoglu, Yosif& Gokturk, Ersen. Synthesis of polyglycolic acid copolymers from cationic copolymerization of C1 feedstocks and long chain epoxides. Journal of Saudi Chemical Society. 2019. Vol. 23, no. 7, pp.879-886.
https://search.emarefa.net/detail/BIM-1493923
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 886
رقم السجل
BIM-1493923
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر