Juniper Publishers Journal of Polymer science

                                          JUNIPER PUBLISHERS-   ACADEMIC JOURNAL OF POLYMER SCIENCE Abstract The polymerization of 4-vinyl-1-cyclohexene diepoxide (4-VCHD) by rhenium carbonyl, Re(CO)5X (X = Br, Cl) and dirhenium decacarbonyls Re 2 (CO) 10 has been carried out photochemically at 25oC, and thermally at 25 and 75oC witout cocatalysts. The effects of initiator structure, concentrations, and reaction temperature and time on the polymerization rate is reported here. Keywords: 4-vinyl-1-cyclohexene diepoxide; Rhenium Carbonyl; Photoinitiated Polymeriation Introduction Diepoxy resins have found important commercial applications in UV radiation curing of surface coatings; a dhesives and in the plastic industry [1,2]. Photoinitiated cationic ring-opening polymerizations of cyclohexene oxide (CHO)1 (Figure 1)...

Authored by   Michael Ioelovich Abstract In this paper, the energy potential of natural (polysaccharides, lignin, etc.), and synthetic polymers (polyolefins, etc.), polymer materials (plant biomass, plastics and their solid waste), as well as combustible liquids and gases derived from them has been studied. To determine calorific values of solid, liquid and gaseous substances, various experimental and calculation methods were used. For this purpose, improved equations based on chemical structure and elemental analysis was proposed. It was shown that the conversion of solid materials into liquids or gases reduces the yield of thermal energy. Therefore for the production of thermal energy, it is more profitable to burn the solid biomass or plastic than combustible liquids and gases, derived from them. Studies have shown that lipids and lignin increase, whereas moisture and ash reduce the calorific value of biomass. The calorific value of most synthetic polymers and ...

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Juniper Publishers Juniper Publishers Inc .  is established with the aim of spreading quality scientific information to the research community throughout the universe.  Juniper Publishers Inc , as  Open Access publishers , strive to offer the best in class online science publications.  Juniper Publishers Inc  as an open Access process eliminates the barriers associated with the older publication models, thus matching up with the rapidity of the twenty-first century.  Juniper Publishers Inc’s  main areas of interest lie in the fields of science, engineering and other related areas.  Juniper Publishers  is a platform for professors and researchers who aspire to give out quality information based on their research and expertise, in an attempt to aid scholars/researchers in their field of interest with the latest information. For more Open Access Journals in  Juniper Publishers  please click on: https://juniperpublishers...