1. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. © Laser Ablative Structural Modification Of Poly(Ethylene-Alt- Maleic Anhydride) Pola, J; Kupcik, J; Durani, SMA; Khavaja, EE; Masoudi, HM; Bastl, Z; Subrt, J AMER CHEMICAL SOC, CHEMISTRY OF MATERIALS; pp: 3887-3893; Vol: 15 King Fahd University of Petroleum & Minerals http://www.kfupm.edu.sa Summary Pulsed IR laser ablation of poly(ethylene-alt-maleic anhydride) results in the deposition of polymeric films possessing the same ratio of anhydride and -CH2- groups and represents a very rare example of laser ablative deposition of polymeric films that are structurally identical to the ablated polymer. This process differs from the conventional thermolysis of poly(ethylene-alt-maleic anhydride) that is controlled by expulsion Of CO2 and CO and yields a nonpolar polymeric residue. The IR laser ablation of poly(ethylene-alt-maleic anhydride) in sodium metasilicate affords deposition of polymeric films containing carboxylate (-CO2-) groups. This process is the first example of reactive ablation in which the deposited polymeric film incorporates constituents of two different species exposed to laser radiation. References: BAKUMENKO TT, 1968, HDB CATALYTIC PROPER, P1125 BAUERLE D, 1996, LASER PROCESSING CHE BEAMSON G, 1992, HIGH RESOLUTION XPS BLANCHET GB, 1993, APPL PHYS LETT, V62, P1026 BLANCHET GB, 1993, APPL PHYS LETT, V62, P479 BLANCHET GB, 1993, SCIENCE, V262, P719 BROWN RFC, 1980, PYROLYTIC METHODS OR, P188 BUBB DM, 2001, J APPL PHYS, V89, P5739 BUBB DM, 2001, J VAC SCI TECHNOL A, V19, P2698 BUBB DM, 2002, J APPL PHYS, V91, P9809 DENNIS AM, 1980, INORG CHIM ACTA, V44, L139 HAGLUND RF, 2000, APPL SURF SCI, V168, P258 HANSEN SG, 1988, APPL PHYS LETT, V52, P81 Copyright: King Fahd University of Petroleum & Minerals; http://www.kfupm.edu.sa

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