Journal "Scientific Israel- Technologival Advantages" vol.17 no. 3,4 , 2015

NANOCOMPOSITE ORGANOMINERAL HYBRID MATERIALS

 P. Kudryavtsev, O.Figovsky

  Polymate Ltd - Israel Nanotechnology Research Center, Migdal HaEmek , Israel koudryavtsev@mail.ru

 ABSTRACT

 This paper presents a few methods of sol-gel synthesis: alkoxide, non-hydrolytic and colloidal. Sol-gel technology of nanocomposites based on the use of soluble silicates as precursors is discussed. Availability of nanocomposites based on silica aerogels and analysis of mixing technologies of the nanocomposites preparation are considered. Different types of nano-phase used for producing of the nanocomposites are examined. The authors have studied the various models of packaging of nanoparticles (spherical, fibrous and layered) introduced into the nanocomposite structure during its preparation. 

 

NANOSTRUCTURED LIQUID EBONITE COMPOSITION FOR PROTECTIVE COATINGS

 O.Figovsky, D. Beilin

Polymate Ltd.-International Nanotechnology Research Center, Migdal HaEmek , Israel                                                          sitapolymate@gmail.com

 

ABSTRACT

Explores the possibility of preparing elastic and hard nanostructured ebonite coatings, utilizing the properties of oligobuta­dienes without ending functional groups. Examines the vulcanization processes leading to formation of rubberiz­ing ebonite coatings on samples of oligobutadienes. Finds that the most effective bonding materials for non-solution compositions are ebonite coatings. . These covering allow to get rid of the deficiencies intrinsic to conventional rubber shut and liquid rubberizing compounds

 

DIELS-ALDER ADDUCT ISOMERIZATION STUDIES USING DSC AND PMR METHODS

A.S. Kalkamanova, D.A. Litvinov, A.M. Karateiev, A.G. Koriagin

National Technical University "Kharkiv Polytechnic Institute karateev@kpi.kharkov.ua

ABSTRACT.

Model Diels-Alder (D-A) adducts of a different isomeric composition were synthesized using furfuryl acetate (FA) and maleimid (MI). The composition of synthesized isomers was analyzed using the proton-magnetic resonance method (PMR). The D-A adduct isomerization process was studied using the differential scanning calorimetry (DSC) method in the nonisothermal mode.  

 

NEW APPLICATIONS OF HIGH-REPETITION-RATE PULSE-PERIODIC LASERS IN THE ARCTIC

V.V. Apollonov

A.M. Prokhorov General Physics Institute, RAS, Moscow, Russia vapollo@kapella.gpi.ru

 

 

 ABSTRACT

 The paper discusses the application of high-power lasers to break the ice cover cover (up to several meters in height) around such engineering structures as oil platforms and icebreakers. The most effective in this case is the joint application of high-power lasers and icebreakers in the cracking of ice covering the ocean. The most dangerous hazards resulting from drifting ice can be easily overcome with the help of high-power lasers. It is obvious today that lasers on offshore oil and gas platforms in the Far North will be in high demand and can greatly facilitate the safety of the personnel of such rigs

 

THE PHENOMENON OF SUPERFLUIDITY IN WELLS NANOFRAME

 E.Q. Shahbazov , O.A. Dyshin

 Science-Production Center :”Nanotechnology”, Baku, Azerbaijan eldar@socar.az

 ABSTRACT

 Based on the classical theory of classic liquid superfluidity in nanocapillars the problem of hydrocarbon liquids superfluidity within micro- and nanometer scale channels is under study. The substantive possibility of the phenomenon of fluid flow superfluidity from the formation into the well through well nanoframe along the capillars with radius corresponding to Maslov superfluidity criterion has been established.  Critical superfluidity velocity for well’s nanoframe channels with different size radius has been estimated.

 

STUDY ON STRENGTH AND PHYSICAL PROPERTIES OF BITUMINOUS CONCRETE GRADE-1 MIX, WITH E-WASTE CERAMICS AS REPLACEMENT TO AGGREGATES 

 Yateen Lokesh, Rajesh Gopinath, Akansh Patel, Amit Kumar Mishra, Avinash D. And B. T. Kiran Kumar Sajjan

 Acharya Institute of Technology, Bangalore, India 

rajeshgopinath007@gmail.com 

 The study proposes effective E-waste management by introducing scientifically modified pavements created by partially replacing the aggregates in Bituminous Concrete Grade-1 mix with E-waste ceramics. From the study it was found that the maximum replacement achievable was 10% as per the MORT&H 4^th revision specification. The study thereby facilitates safe utilization of 1/10^th of E-waste ceramics from the 2700 kilotones of E-wastes produced annually in India. If policies are built based on the outcome of this research, then there shall be enhanced levels in safety from the environmental perils of irresponsible recycling and illegal dumping of E-wastes into municipal landfills. The research has also achieved inculcating depreciation in the cost of construction and reduction of pollution load due to anthropogenic activities while producing aggregates.

 

METHODS FOR DETERMINATION OF CHEMICAL COMPOSITION OF PLANT BIOMASS

 

M. Ioelovich

 Designer Energy Ltd, Rehovot, Israel  bd895892@zahav.net.il

ABSTRACT

Improved methods for the quantitative analysis of polysaccharides and lignin in biomass samples were developed by Designer Energy Ltd (DE). The DE method for determination of polysaccharides in biomass samples is based on the isolation of holocellulose, i.e. total polysaccharides containing both cellulose and hemicelluloses. After acid hydrolysis of holocellulose under mild conditions hemicelluloses were removed, and as a result the content of cellulose can be determined. The content of acid-insoluble lignin was measured by improved method after two-stage acidic hydrolysis of the biomass. In order to prevent loss of the components, a centrifugation technique was used for isolation of final products. The developed methods were used for analysis of chemical composition of crude and pretreated samples of switchgrass and sugarcane bagasse. It has been shown that DE methods provide more reliable results than conventional methods of chemical analysis.

 

BARRIER POLYMERS: REVIEW OF MATERIALS, TECHNOLOGIES, AND TRENDS

M. Friedman

New York, USA mfried@ptd.net

ABSTRACT

Polymers are nowadays one of the most important materials in the world. The article reviews the polymer barrier materials and their applications. Three main groups of them,- low, good (medium), and high (superior) barrier polymers have been described. New generation of barrier materials include new polyesters, liquid crystal polymers, fluorocontaining thermoplastics, nanocomposites, and polymers coated with special materials. Modern trends in research, development and applications of new barrier materials are placing on the front stage blends and alloys, LPCs, multi-layer extruded films, tubes, and containers as well as materials with newly developed coatings such as glass, diamond-like compounds, and nanocomposites.