Sökning: "poly ethylene-co-butyl acrylate"

Visar resultat 1 - 5 av 7 avhandlingar innehållade orden poly ethylene-co-butyl acrylate.

1. 1. Electrical Insulating Properties of Poly(Ethylene-co-Butyl Acrylate) Filled with Alumina Nanoparticles

   Författare :Nadejda Jäverberg; Hans Edin; John Fothergill; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nanocomposites; poly ethylene-co-butyl acrylate ; EBA; alumina; dielectric permittivity; absorbed water; humidity; temperature; dielectric spectroscopy; breakdown strength; pre-breakdown current;

   Sammanfattning : In this work the electrical insulating properties of the nanocomposite materials based on poly(ethylene-co-butyl acrylate) filled with alumina nanoparticles are studied. The dielectric properties chosen for the evaluation are the dielectric permittivity and loss as well as the breakdown strength and the pre-breakdown currents. LÄS MER

3. 2. Preparation and long-term performance of poly(ethylene-co-butyl acrylate) nanocomposites and polyethylene

   Författare :Sohail Nawaz; Ulf Gedde; Mikael Skrifvars; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Polymer nanocomposite; nanoparticles; aluminium oxide; poly ethylene-co-butyl acrylate ; long-term performance; ageing; antioxidant; OIT; aqueous media; silanization; irganox 1010; deltamethrin; piperonyl butoxide; chlorine dioxide; migration of stabilizer; SRA - Production; SRA - Produktion;

   Sammanfattning : The current study discusses the preparation and long-term performance of polymer composites used for various purposes under different ageing conditions.The first part deals with the preparation and characterization of polymer nanocomposites based on poly(ethylene-co-butyl acrylate) (EBA–13 and EBA–28 with 13 and 28 wt % butyl acrylate, respectively) and 2–12 wt % (0. LÄS MER

4. 3. Aluminium oxide - poly(ethylene-co-butylacrylate) nanocomposites : synthesis, structure, transport properties and long-term performance

   Författare :Patricia Nordell; Ulf Gedde; Lars Wågberg; Minna Hakkarainen; KTH; []
   Nyckelord :nanocomposite; nanoparticles; aluminium oxide; poly ethylene-co-butyl acrylate ; silanization; dispersion; Irganox 1010; antioxidant; OIT; sorption kinetics; water; nanokomposit; nanopartiklar; aluminium oxid; poly eten-co-butyl akrylat ; silanisering; dispergering; Irganox 1010; antioxidant; OIT; vattenupptag.;

   Sammanfattning : Polymer nanocomposites are promising materials for dielectrical use in high voltage applications and insulations. This work presents a study of nanocomposites based on poly(ethylene-co-butyl acrylate) with two different comonomer compositions and two different aluminium oxide nanoparticles. LÄS MER

5. 4. Dielectric properties of poly(ethyelene-co-butyl acrylate) filled with Alumina nanoparticles

   Författare :Nadejda Jäverberg; Hans Edin; Eva Mårtensson; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nanocomposites; poly ethylene-co-butyl acrylate ; EBA; alumina; dielectric permittivity; absorbed water; humidity; temperature; dielectric spectroscopy; partial discharge; electrical treeing; Electrical engineering; Elektroteknik;

   Sammanfattning : In this work dielectric properties of the poly(ethylene-co-butyl acrylate)filled with alumina nanoparticles are evaluated. These nanocomposite materialswere manufactured at the department of Fibre and Polymer Technology,KTH.This study is limited to the properties of general importance for the AC applications. LÄS MER

7. 5. Improved Flame Retardant Properties of a Halogen-Free Material for Cable Applications

   Författare :Linus Karlsson; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Flame Retardant; Melt Viscosity; Silicone Elastomer; Ethylene-Acrylate Copolymer; Calcium Carbonate;

   Sammanfattning : Due to the large amount of electric equipment in our surroundings, fire safety of cable materials is becoming increasingly important. Because of environmental and health issues, much focus is on development of halogen-free materials. In this thesis, a halogen-free flame retardant material named Casico™ is studied. LÄS MER