MIT-HOL kerdes [0193]: magyar kemiai folyoirat

[Omikk Tajekoztatas]

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Tisztelt Erdeklodo !

Az On altal keresett cikk  - angol nyelvu- a, Chemical abstracts 13th
collective indexe-bol
letoltott valtozatat mellekelten megkuldjuk. A cikk eredeti valtozata a
Magy. kem. foly. 94. oldalan
kezdodik. Cime:
Uj modszer poli(etilen-oxid)-dal boritott polietilenfelulet eloallitasara.
Tovabbi informaciokat a csatolt file tartalmazza.

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cikkrol. Szerzok,tartalmi kivonat ,esetleg a teljes cikk.
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Copyright (c) 1997 American Chemical Society   All Rights Reserved.

124:203286
Novel ways of covalent attachment of PEO onto polyethylene: surface
modification and characterization by XPS and contact angle
measurements.
Kiss, Eva; Samu, Janos; Toth, Andras; Bertoti, Imre (Kolloidkem.
Kolloidtechnol. Tansz., Eoetvoes Tudomanyegy., Budapest 1518,
Hung.).  Magy. Kem. Foly., 102(2), 94-103 (Hungarian) 1996.
CODEN: MGKFA3.  ISSN: 0025-0155.  DOCUMENT TYPE: Journal
CA Section: 35 (Chemistry of Synthetic High Polymers)
Procedures involving the surface halogenation of polyethylene (PE) by
chem. reactions or RF plasma treatments, followed by covalent
bonding of poly(ethylene oxide) (PEO) have been developed.  A
two-step halogenation comprised chlorination of PE by SO2Cl2 and the
transhalogenation by AlBr3 or NaI.  Single-step direct bromination of
PE was performed by either exposing the PE to a glow discharge
plasma obtained from CHBr3 vapor, or Ar-plasma-activated PE was
reacted with bromoform.  The Br or I functional groups were reacted
with PEO soln. or with PEO melt.  XPS and contact angle studies were
used to characterize the surfaces during the different stages of the
procedures.  Wettabilities as well as surface free energies show that
the higher the surface amt. of PEO the lower the contact angle
(corresponding to higher surface free energy).

Keywords

polyethylene surface modification polyoxyethylene
halogenation polyethylene surface modification

Index Entries

75-25-2
7681-82-5, reactions
7727-15-3
7791-25-5
halogenating agent; surface modification of polyethylene by
halogenation and reaction with poly(ethylene oxide)
9002-88-4, halogenated, reaction products with poly(ethylene oxide)
25322-68-3, reaction products with halogenated polyethylene
surface modification of polyethylene by halogenation and reaction
with poly(ethylene oxide)

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