Electrical properties of EVA/LDPE blends irradiated by high energy electron beam

• Autorzy: Borhani M. , Mirjalili G. , Ziaie F. , Bolorizadeh M.
• Języki publikacji: EN

Abstrakty

EN

A series of low-density polyethylene (LDPE) blends with different amounts of poly(ethylene-vinyl acetate) (EVA) was prepared and irradiated with 10 MeV electron beam in the range of 50-380 kGy at room temperature in air. Some electrical properties of the blends such as surface and volume resistance, breakdown voltage, permittivity and loss factor were studied as a function of the EVA content and the radiation dose. It was revealed that the surface resistance and volume resistivity of the blends reach a maximum at a 170 kGy dose of radiation and 30 wt% of EVA. There is no considerable change at breakdown voltage permittivity and loss factor of the irradiated samples; however, the permittivity and the loss factor of the blends increase significantly with increasing amount of EVA contents.

Słowa kluczowe

EN

EVA/LDPE blends; electrical properties; surface resistances; permittivity (dielectric constant); loss factor; high energy electron beam

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2007
• Tom: Vol. 52, nr 2
• Strony: 77--81
• Opis fizyczny: Bibliogr. 40 poz., rys.

Twórcy

autor

Borhani M.

autor

Mirjalili G.

autor

Ziaie F.

autor

Bolorizadeh M.

• Physics Department, Shahid Bahonar University, P. O. Box 76169-133, Kerman, Iran

Bibliografia

• 1. Arsac A, Carrot C, Guillet J (1999) Rheological characterization of ethylene vinyl acetate copolymers. J Appl Polym Sci 74:2625−2630
• 2. Banik I, Chaki TK, Tikku VK, Bhowmick AK (1998) Effect of electron beam irradiation on the dielectric properties of fluorocarbon rubber. Angew Makromol Chemie 263:5−13
• 3. Bhattacharya A (2000) Radiation and industrial polymer. Prog Polym Sci 25:371−401
• 4. Boudou L, Guastavino J (2002) Influence of temperature on low-density polyethylene films through conduction measurement. J Phys D: Appl Phys 35:1555−1561
• 5. Chattopadhyay S, Chaki TK, Bhowmick AK (2001) Development of new thermoplastic elastomers from blends of polyethylene and ethylene-vinyl acetate copolymer by electron-beam technology. J Appl Polym Sci 79:1877−1889
• 6. Chen G, Banford HM, Davies AE (1995) Effect of gamma-irradiation on electrical breakdown stress of LDPE. In: Proc of the 1995 IEEE 5th Int Conf on Conduction and Breakdown in Solid Dielectrics, 10−13 July 1995, Leicester, UK, pp 556−560
• 7. Chen G, Banford HM, Davies AE (1996) The influence of gamma radiation on space charge formation in lowdensity polyethylene. In: IEEE Annual Report of the Conf on Electrical Insulation and Dielectric Phenomena, 20−23 October 1996, San Francisco, USA, pp 821−824
• 8. Chen G, Zhong LS, Xie HK, Banford HM, Davies AE (2002) The influence of oxidation on space charge formation in gamma-irradiated low-density polyethylene. Radiat Phys Chem 66:247−255
• 9. Dadbin S, Frounchi M, Haji Saeid M, Gangi F (2002) Molecular structure and physical properties of e-beam cross-linked low-density polyethylene for wire and cable insulation applications. J Appl Polym Sci 86:1959−1969
• 10. Dadbin S, Frounchi M, Sabet M (2005) Studies on the properties and structure of electron-beam cross-linked low-density polyethylene/poly [ethylene-co-(vinyl acetate)] blends. Polym Int 54:686−691
• 11. Dalai S, Wenxiu C (1996) Investigation of radiation crosslinked foam of LDPE/EVA blends. J Appl Polym Sci 62:75−80
• 12. Das-Gupta DK (1994) Polyethylene: structure, morphology, molecular motion and dielectric behavior. IEEE Electrical Insulation Magazine 10:5−15
• 13. Datta SK, Chaki TK, Khastgir D, Bhowmick AK (1996) Electron beam initiated grafting and cross-linking of ethylene vinyl acetate copolymer. Part II. Mechanical and electrical properties. Polym Polym Compos 4:419−428
• 14. Hui Z, Jiufu X (1993) The modification of the flexibility of radiation cross-linked PE by blending PE with EVA and CPE. Radiat Phys Chem 42:117−119
• 15. Kacarevic-Popovic Z, Kostaski D, Novakovic L, Miljevic , Secerov B (2004) Influence of the irradiation conditions on the effect of radiation on polyethylene. J Cerb Chem Soc 69:1029−1041
• 16. Kim JI (2001) Study on the cross linking characteristics of LDPE/EVA blends by gamma-ray irradiation. J Korean Ind Eng Chem 12:800−805
• 17. Kolesov SN (1980) The influence of morphology on the electric strength of polymer insulation. Dielectrics and Electrical Insulation, IEEE Transactions on Electrical Insulation 15:382−388
• 18. Kostoski D, Dojcilovic J, Novakovic L, Suljovrujic E (2005) Effects of charge trapping in gamma irradiated and accelerated aged low-density polyethylene. Polym Degrad Stab 91:2229−2232
• 19. Laghari JR, Hammoud AN (1990) A brief survey of radiation effects on polymer dielectrics. IEEE Trans Nucl Sci 37:1076−1083
• 20. Lee C, Kim K-Y, Ryu B-H (2006) Radiation effects on electrical and mechanical properties of LDPE/EVA blends. In: IEEE Conf Record of the Int Symp on Electrical Insulation, 11−14 June 2006, Toronto, Ontario,Canada, pp 261−264
• 21. Marsacq D, Hourquebie P, Olmedo L, Janah H (1995) Effects of structural parameters of polyethylene on space charge properties. Sci Tech Appl 275:432−438
• 22. Martinez-Pardo ME, Zuazua MP, Hernandez-Mendoza V, Cardodo J, Montiel R, Vazquez H (1995) Structureproperties relation ship of irradiated LDPE/EVA blend.Nucl Instrum Methods Phys Res B 105:258−261
• 23. Mateev M, Kargeorgiev S (1998) The effect of electron beam irradiation and content of EVA upon the gelElectrical properties of EVA/LDPE blends irradiated by high energy electron beam 81 forming processes in LDPE-EVA films. Radiat Phys Chem 51:205−206
• 24. Oda E (1981) Wire and cable. Radiat Phys Chem 18:241−252
• 25. Okashita M, Ymaguchi M, Fujita M, Shintate H, Wang S, Shiono T (1998) Relationship between impulse breakdown and morphology of polyethylene. In: IEEE Proc of Int Symp on Electrical Insulating Materials, 27−30 September 1998, Toyohashi, Japan, pp 549−552
• 26. Oproiu C, Martin D, Toma M, Marghitu S, Jianu A (2000) Transitory and permanent effects of electron beam irradiation on insulating materials. Nucl Instrum Methods Phys Res B 166/167:669−675
• 27. Ota S (1981) Current status of irradiated heat-shrinkable tubing in Japan. Radiat Phys Chem 18:81−87
• 28. Peon J, Vega JF, Aroca M, Martinez-Salazar J (2001) Rheological behavior of LDPE/EVA-c blends. 1. On the effect of vinyl acetate co monomer in EVA copolymers. Polymer 42:8093−8101
• 29. Rado R, Zelenak P (1992) Applications of cross-linked polyethylene. Int Polym Sci Tech 19:72−77
• 30. Rodriguerz-Perez MA, Duijsens A, De Saja JA (1998) Effect of addition of EVA on the technical properties of extruded foam profiles of low-density polyethylene/EVA blends. J Appl Polym Sci 68:1237−1244
• 31. Salehi SMA, Mirjalili G, Amrollahi J (2004) Effects of high-energy electron beam on low-density polyethylene materials containing EVA. J Appl Polym Sci 92:1049−1052
• 32. Sharif J, Hanisah S, Aziz SA, Hashim K (2000) Radiation effect on LDPE/EVA blends. Radiat Phys Chem 8:191−195
• 33. Shinyama K, Fujita S (2001) Dielectric and thermal properties of irradiated polyetheretherketone. IEEE Transactions on Dielectrics and Electrical Insulation 8:538−542
• 34. Suh KS, Park JH, Kim JY, Takada T (1994) Nature of interface and charge formation in PE/EVA laminates.In: IEEE Conf Record of the Int Symp on Electrical Insulation, 5−8 June 1994, Pittsburgh, USA, pp 166−169
• 35. Suljovrujic E, Kacarevic-Popovic Z, Kostoski D,Dojcilovic J (2000) Effect of ageing on the dielectric relaxation of oriented and gamma irradiated LDPE. Polym Degrad Stab 71:367−373
• 36. Vallayer B, Hourquebie P, Marsacq D, Janah H (1996) Measurement of the trapping and detrapping properties of polymers in relation with their microstructure. In: IEEE Conf Record of the Int Symp on Electrical Insulation, 16−19 June 1996, Montreal, Quebec, Canada, pp 674−677
• 37. Xu L, Weifang J, Demin T, Muratu K, Takada T (1997) Electrical properties of radiation cross-linked polyethylene. In: IEEE Proc of the 5th Int Conf on Properties and Applications of Dielectric Materials, 25−30 May 1997, Seoul, South Korea, pp 311−314
• 38. Zhimin D, Jie K, Demin T (2000) Relationships between space charge accumulation and electrical or water treeing in improved PE and XLPE by ethylene-acrylic acid copolymer. In: IEEE Proc of the 6th Int Conf on Properties and Applications of Dielectric Materials, 21−26 June 2000, Xi’an, China, pp 562−566
• 39. Zhiming Z, Zhenhao L, Renrui T et al. (1993) Construction of production line of radiation cross-linking wire and cable in Tianshui. Radiat Phys Chem 42:113−116
• 40. Ziaie F, Borhani M, Mirjalili G, Bolorizadeh MA (2006) Effect of crystallinity on electrical properties of electron beam irradiated LDPE & HDPE. In: Proc of the 6th Int Meeting on Radiation Processing (IMRP), 27 February − 3 March 2006, Kuala Lumpur, Malaysia