메뉴 건너뛰기




Volumn 46, Issue 3, 2010, Pages 557-567

Synthesis and characterization of polyamides containing pendant pentadecyl chains

Author keywords

Alkyl side chain; Cardanol; Cashew nut shell liquid; Pentadecyl chains; Polyamides

Indexed keywords

AROMATIC DIAMINE; AROMATIC POLYAMIDES; CARDANOLS; CASHEW NUT SHELL LIQUID; ETHER LINKAGES; FTIR; GLASS TRANSITION TEMPERATURE; HEXAFLUOROISOPROPYLIDENE; INHERENT VISCOSITY; LAYERED STRUCTURES; METHYLENE DIANILINE; N ,N-DIMETHYLACETAMIDE; NITROGEN ATMOSPHERES; NMR SPECTROSCOPY; OXYDIANILINE; PENTADECYL CHAINS; PHENYLENEDIAMINES; PYRROLIDINONE; ROOM TEMPERATURE; SIDE-CHAIN; SOLUTION-CAST; SYNTHESIS AND CHARACTERIZATION; THERMAL STABILITY; TRANSPARENT FILMS; WEIGHT LOSS; WIDE ANGLE XRAY DIFFRACTION; X-RAY DIFFRACTOGRAMS;

EID: 76749120366     PISSN: 00143057     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.eurpolymj.2009.11.014     Document Type: Article
Times cited : (65)

References (49)
  • 2
    • 3342929722 scopus 로고    scopus 로고
    • Polyamides incorporating furan moieties. 5. Synthesis and characterization of furan-aromatic homologues
    • Abid S., Gharbi R.E., and Gandini A. Polyamides incorporating furan moieties. 5. Synthesis and characterization of furan-aromatic homologues. Polymer 45 (2004) 5793-5801
    • (2004) Polymer , vol.45 , pp. 5793-5801
    • Abid, S.1    Gharbi, R.E.2    Gandini, A.3
  • 3
    • 0036842091 scopus 로고    scopus 로고
    • Synthesis and characterization of aromatic polyamides containing alkylphthalimido pendent groups
    • Ferrero E., Espeso J.F., de la Campa J.G., de Abajo J., and Lozano A.E. Synthesis and characterization of aromatic polyamides containing alkylphthalimido pendent groups. J Polym Sci A Polym Chem 40 (2002) 3711-3724
    • (2002) J Polym Sci A Polym Chem , vol.40 , pp. 3711-3724
    • Ferrero, E.1    Espeso, J.F.2    de la Campa, J.G.3    de Abajo, J.4    Lozano, A.E.5
  • 4
    • 0035369877 scopus 로고    scopus 로고
    • Synthesis and characterization of new soluble polyamides derived from 2,6-bis(4-aminophenyl)-3,5-dimethyltetrahydro-4H-pyran-4-one
    • Garcia J.M., Garcia F., Sanz R., de la Campa J.G., Lozano A.E., and de Abajo J. Synthesis and characterization of new soluble polyamides derived from 2,6-bis(4-aminophenyl)-3,5-dimethyltetrahydro-4H-pyran-4-one. J Polym Sci A Polym Chem 39 (2001) 1825-1832
    • (2001) J Polym Sci A Polym Chem , vol.39 , pp. 1825-1832
    • Garcia, J.M.1    Garcia, F.2    Sanz, R.3    de la Campa, J.G.4    Lozano, A.E.5    de Abajo, J.6
  • 5
    • 0032649014 scopus 로고    scopus 로고
    • Synthesis and characterization of novel aromatic polyamides from 1,4-bis(4-aminophenyl)-2,3-diphenylnaphthalene and aromatic dicarboxylic acids
    • Morikawa A., and Hatakeyama T. Synthesis and characterization of novel aromatic polyamides from 1,4-bis(4-aminophenyl)-2,3-diphenylnaphthalene and aromatic dicarboxylic acids. Polym J 31 (1999) 66-69
    • (1999) Polym J , vol.31 , pp. 66-69
    • Morikawa, A.1    Hatakeyama, T.2
  • 8
    • 0024771602 scopus 로고
    • Preparation and properties of aromatic polyamides from 5-t-butylisophthalic acid and various aromatic diamines
    • Yang C.P., Oishi Y., Kakimoto M.A., and Imai Y. Preparation and properties of aromatic polyamides from 5-t-butylisophthalic acid and various aromatic diamines. J Polym Sci A Polym Chem 27 (1989) 3895-3901
    • (1989) J Polym Sci A Polym Chem , vol.27 , pp. 3895-3901
    • Yang, C.P.1    Oishi, Y.2    Kakimoto, M.A.3    Imai, Y.4
  • 9
    • 84963440705 scopus 로고
    • Polyamides containing oxyethylene linkages: synthesis and characterization
    • Mahajan S.S., Wadgaonkar P.P., and Chavan N.N. Polyamides containing oxyethylene linkages: synthesis and characterization. Int J Polym Mater 12 (1988) 101-110
    • (1988) Int J Polym Mater , vol.12 , pp. 101-110
    • Mahajan, S.S.1    Wadgaonkar, P.P.2    Chavan, N.N.3
  • 10
    • 0030189645 scopus 로고    scopus 로고
    • Aromatic polyamides and polyimides bearing bulky ether pendent groups derived from 1-aryloxy-2,4-diaminobenzenes
    • Spiliopoulos I.K., and Mikroyannidis J.A. Aromatic polyamides and polyimides bearing bulky ether pendent groups derived from 1-aryloxy-2,4-diaminobenzenes. Polymer 37 (1996) 3331-3337
    • (1996) Polymer , vol.37 , pp. 3331-3337
    • Spiliopoulos, I.K.1    Mikroyannidis, J.A.2
  • 11
    • 0031342693 scopus 로고    scopus 로고
    • Novel perfluorononenyloxy group containing aromatic polyamides
    • Wang C.S., and Yang R.W. Novel perfluorononenyloxy group containing aromatic polyamides. Polymer 38 (1997) 6109-6114
    • (1997) Polymer , vol.38 , pp. 6109-6114
    • Wang, C.S.1    Yang, R.W.2
  • 12
    • 0024018330 scopus 로고
    • Polyisophthalamides with phenoxy pendant groups
    • Melendez A., de la Campa J.G., and de Abajo J. Polyisophthalamides with phenoxy pendant groups. Polymer 29 (1988) 1142-1145
    • (1988) Polymer , vol.29 , pp. 1142-1145
    • Melendez, A.1    de la Campa, J.G.2    de Abajo, J.3
  • 13
  • 14
    • 0035400745 scopus 로고    scopus 로고
    • Polyamides containing s-triazine rings and fluorene "cardo" groups: synthesis and characterization
    • Sagar A.D., Shingte R.D., Wadgaonkar P.P., and Salunkhe M.M. Polyamides containing s-triazine rings and fluorene "cardo" groups: synthesis and characterization. Eur Polym J 37 (2001) 1493-1498
    • (2001) Eur Polym J , vol.37 , pp. 1493-1498
    • Sagar, A.D.1    Shingte, R.D.2    Wadgaonkar, P.P.3    Salunkhe, M.M.4
  • 15
    • 0031120240 scopus 로고    scopus 로고
    • Synthesis and characterization of aromatic polyamides containing s-triazine rings in the main chain
    • Sagar A.D., Salunkhe M.M., Wadgaonkar P.P., Sarwade B.D., and Mahajan S.S. Synthesis and characterization of aromatic polyamides containing s-triazine rings in the main chain. J Polym Sci A Polym Chem 35 (1997) 1077-1085
    • (1997) J Polym Sci A Polym Chem , vol.35 , pp. 1077-1085
    • Sagar, A.D.1    Salunkhe, M.M.2    Wadgaonkar, P.P.3    Sarwade, B.D.4    Mahajan, S.S.5
  • 16
    • 13644274782 scopus 로고    scopus 로고
    • Synthesis and characterization of aromatic polyamides containing an s-triazine ring with thiophenoxy linkages
    • Pal R.R., Patil P.S., Salunkhe M.M., Maldar N.N., and Wadgaonkar P.P. Synthesis and characterization of aromatic polyamides containing an s-triazine ring with thiophenoxy linkages. Polym Int 54 (2005) 569-575
    • (2005) Polym Int , vol.54 , pp. 569-575
    • Pal, R.R.1    Patil, P.S.2    Salunkhe, M.M.3    Maldar, N.N.4    Wadgaonkar, P.P.5
  • 17
    • 70350406247 scopus 로고    scopus 로고
    • Synthesis and thermal properties of soluble silicon containing phenylated aromatic-aliphatic polyamides
    • Ghanwat A.A., Sayyed M.M., Wadgaonkar P.P., and Maldar N.N. Synthesis and thermal properties of soluble silicon containing phenylated aromatic-aliphatic polyamides. J Therm Anal Calorim 98 (2009) 538-545
    • (2009) J Therm Anal Calorim , vol.98 , pp. 538-545
    • Ghanwat, A.A.1    Sayyed, M.M.2    Wadgaonkar, P.P.3    Maldar, N.N.4
  • 18
    • 27644452302 scopus 로고    scopus 로고
    • Synthesis and characterization of new optically active poly(amide-imide)s containing epiclon and l-methionine moieties in the main chain
    • Mallakour S., and Kowsari E. Synthesis and characterization of new optically active poly(amide-imide)s containing epiclon and l-methionine moieties in the main chain. Polym Adv Technol 16 (2005) 732-737
    • (2005) Polym Adv Technol , vol.16 , pp. 732-737
    • Mallakour, S.1    Kowsari, E.2
  • 19
    • 0033775308 scopus 로고    scopus 로고
    • Synthesis and characterization of new polyamide-imides containing pendent adamantyl groups
    • Liaw D.J., and Liaw B.Y. Synthesis and characterization of new polyamide-imides containing pendent adamantyl groups. Polymer 42 (2001) 839-845
    • (2001) Polymer , vol.42 , pp. 839-845
    • Liaw, D.J.1    Liaw, B.Y.2
  • 20
    • 0031223340 scopus 로고    scopus 로고
    • Preparation of aromatic copolyamides containing regularly placed 1,6-hexamethylenediamine units
    • Nakata S., and Brisson J.J. Preparation of aromatic copolyamides containing regularly placed 1,6-hexamethylenediamine units. J Polym Sci A Polym Chem 35 (1997) 2379-2386
    • (1997) J Polym Sci A Polym Chem , vol.35 , pp. 2379-2386
    • Nakata, S.1    Brisson, J.J.2
  • 21
    • 59849119303 scopus 로고    scopus 로고
    • Synthesis, characterization and constitutional isomerism study of new aromatic polyamides containing pendant groups based on asymmetrically substituted meta-phenylene diamines
    • Pal R.R., Patil P.S., Salunkhe M.M., Maldar N.N., and Wadgaonkar P.P. Synthesis, characterization and constitutional isomerism study of new aromatic polyamides containing pendant groups based on asymmetrically substituted meta-phenylene diamines. Eur Polym J 45 (2009) 953-959
    • (2009) Eur Polym J , vol.45 , pp. 953-959
    • Pal, R.R.1    Patil, P.S.2    Salunkhe, M.M.3    Maldar, N.N.4    Wadgaonkar, P.P.5
  • 22
    • 0035154479 scopus 로고    scopus 로고
    • Synthesis and characterization of novel polyamide-imides containing noncoplanar 2,2′-dimethyl-4,4′-biphenylene unit
    • Liaw D.J., Hsu P.N., and Liaw B.Y. Synthesis and characterization of novel polyamide-imides containing noncoplanar 2,2′-dimethyl-4,4′-biphenylene unit. J Polym Sci A Polym Chem 39 (2001) 63-70
    • (2001) J Polym Sci A Polym Chem , vol.39 , pp. 63-70
    • Liaw, D.J.1    Hsu, P.N.2    Liaw, B.Y.3
  • 23
    • 0035816766 scopus 로고    scopus 로고
    • Synthesis and characterization of new soluble cardo aromatic polyamides bearing diphenylmethylene linkage and norbornyl group
    • Liaw D.J., Liaw B.Y., and Yang C.M. Synthesis and characterization of new soluble cardo aromatic polyamides bearing diphenylmethylene linkage and norbornyl group. Macromol Chem Phys 202 (2001) 1866-1872
    • (2001) Macromol Chem Phys , vol.202 , pp. 1866-1872
    • Liaw, D.J.1    Liaw, B.Y.2    Yang, C.M.3
  • 24
    • 3042859085 scopus 로고    scopus 로고
    • New soluble aromatic polyamides containing ether linkages and laterally attached p-terphenyls
    • Hsiao S.H., and Chang Y.H. New soluble aromatic polyamides containing ether linkages and laterally attached p-terphenyls. Eur Polym J 40 (2004) 1749-1757
    • (2004) Eur Polym J , vol.40 , pp. 1749-1757
    • Hsiao, S.H.1    Chang, Y.H.2
  • 25
    • 11144242799 scopus 로고    scopus 로고
    • Synthesis, characterization, and water sorption properties of new aromatic polyamides containing benzimidazole and ethylene oxide moieties
    • Ayala V., Maya E.M., Garcia J.M., de la Campa J.G., Lozano A.E., and de Abajo J. Synthesis, characterization, and water sorption properties of new aromatic polyamides containing benzimidazole and ethylene oxide moieties. J Polym Sci A Polym Chem 43 (2005) 112-121
    • (2005) J Polym Sci A Polym Chem , vol.43 , pp. 112-121
    • Ayala, V.1    Maya, E.M.2    Garcia, J.M.3    de la Campa, J.G.4    Lozano, A.E.5    de Abajo, J.6
  • 26
    • 12244273730 scopus 로고    scopus 로고
    • Synthesis and properties of novel poly(amide-imide)s containing pendent diphenylamino groups
    • Hsiao S.H., Yang C.P., Chen C.W., and Liou G.S. Synthesis and properties of novel poly(amide-imide)s containing pendent diphenylamino groups. Eur Polym J 41 (2005) 511-517
    • (2005) Eur Polym J , vol.41 , pp. 511-517
    • Hsiao, S.H.1    Yang, C.P.2    Chen, C.W.3    Liou, G.S.4
  • 27
    • 33746081609 scopus 로고    scopus 로고
    • Aromatic polyamides containing pendent acetoxybenzamide groups
    • Sava I., and Bruma M. Aromatic polyamides containing pendent acetoxybenzamide groups. Macromol Symp 239 (2006) 36-42
    • (2006) Macromol Symp , vol.239 , pp. 36-42
    • Sava, I.1    Bruma, M.2
  • 28
    • 36649012779 scopus 로고    scopus 로고
    • Soluble aromatic polyamide bearing ether linkages: synthesis and characterization
    • Zulfiqar S., Zahoor A., and Sarwar M.I. Soluble aromatic polyamide bearing ether linkages: synthesis and characterization. Colloid Polym Sci 285 (2007) 1749-1754
    • (2007) Colloid Polym Sci , vol.285 , pp. 1749-1754
    • Zulfiqar, S.1    Zahoor, A.2    Sarwar, M.I.3
  • 29
    • 0032651561 scopus 로고    scopus 로고
    • Synthesis and characterization of aromatic polymers derived from 5-perfluoroalkylisophthalic acid
    • Kajiyama M., Kudo J., and Mizumachi H. Synthesis and characterization of aromatic polymers derived from 5-perfluoroalkylisophthalic acid. J Polym Sci A Polym Chem 37 (1999) 1135-1141
    • (1999) J Polym Sci A Polym Chem , vol.37 , pp. 1135-1141
    • Kajiyama, M.1    Kudo, J.2    Mizumachi, H.3
  • 30
    • 84989682239 scopus 로고
    • Synthesis and properties of aromatic polyamides derived from 1,6-bis(4-aminophenoxy)naphthalene and aromatic dicarboxylic acids
    • Yang C.P., Hsiao S.H., and Jang C.C. Synthesis and properties of aromatic polyamides derived from 1,6-bis(4-aminophenoxy)naphthalene and aromatic dicarboxylic acids. J Polym Sci A Polym Chem 33 (1995) 1095-1105
    • (1995) J Polym Sci A Polym Chem , vol.33 , pp. 1095-1105
    • Yang, C.P.1    Hsiao, S.H.2    Jang, C.C.3
  • 31
    • 0030081828 scopus 로고    scopus 로고
    • Synthesis and properties of aromatic polyamides derived from 1,7-bis(4-aminophenoxy)naphthalene and various aromatic dicarboxylic acids
    • Yang C.P., and Lin J.H. Synthesis and properties of aromatic polyamides derived from 1,7-bis(4-aminophenoxy)naphthalene and various aromatic dicarboxylic acids. J Polym Sci A Polym Chem 34 (1996) 341-348
    • (1996) J Polym Sci A Polym Chem , vol.34 , pp. 341-348
    • Yang, C.P.1    Lin, J.H.2
  • 32
    • 0343729354 scopus 로고    scopus 로고
    • Synthesis and properties of ortho-linked polyamides based on a bis(ether-carboxylic acid) or a bis(ether amine) derived from 4-tert-butylcatechol
    • Hsiao S.H., Yang C.P., and Chen S.H. Synthesis and properties of ortho-linked polyamides based on a bis(ether-carboxylic acid) or a bis(ether amine) derived from 4-tert-butylcatechol. Polymer 41 (2000) 6537-6551
    • (2000) Polymer , vol.41 , pp. 6537-6551
    • Hsiao, S.H.1    Yang, C.P.2    Chen, S.H.3
  • 33
    • 0030257842 scopus 로고    scopus 로고
    • Syntheses and properties of aromatic polyamides derived from 4,4′-oxydibenzoic acid and aromatic diamines
    • Hsiao S.H., and Yu C.H. Syntheses and properties of aromatic polyamides derived from 4,4′-oxydibenzoic acid and aromatic diamines. J Polym Res 3 (1996) 239-245
    • (1996) J Polym Res , vol.3 , pp. 239-245
    • Hsiao, S.H.1    Yu, C.H.2
  • 35
    • 0020151107 scopus 로고
    • Long-chain phenols. Part 23 practical separations of the component phenols in technical cashew nut-shell liquid (Anacardium occidentale): distillation procedures for obtaining cardanol
    • Durrani A.A., Davis G.L., Sood S.K., Tychopoulos V., and Tyman J.H.P. Long-chain phenols. Part 23 practical separations of the component phenols in technical cashew nut-shell liquid (Anacardium occidentale): distillation procedures for obtaining cardanol. J Chem Technol Biotechnol 32 (1982) 681-690
    • (1982) J Chem Technol Biotechnol , vol.32 , pp. 681-690
    • Durrani, A.A.1    Davis, G.L.2    Sood, S.K.3    Tychopoulos, V.4    Tyman, J.H.P.5
  • 37
    • 76749106303 scopus 로고    scopus 로고
    • More, AS, Wadgaonkar PP. 1-Bromo-4-(4′-bromophenoxy)-2-pentadecylbenzene and preparation thereof. US 7297822 B2; 2007
    • More, AS, Wadgaonkar PP. 1-Bromo-4-(4′-bromophenoxy)-2-pentadecylbenzene and preparation thereof. US 7297822 B2; 2007.
  • 38
    • 0000953255 scopus 로고    scopus 로고
    • Cashew nut shell liquid (CNSL) - a versatile monomer for polymer synthesis
    • Luby M.C., and Thachil E.T. Cashew nut shell liquid (CNSL) - a versatile monomer for polymer synthesis. Des Monomers Polym 3 (2000) 123-153
    • (2000) Des Monomers Polym , vol.3 , pp. 123-153
    • Luby, M.C.1    Thachil, E.T.2
  • 39
    • 50049126380 scopus 로고    scopus 로고
    • Fine chemicals and new hybrid materials from cardanol
    • Mele G., and Vasapollo G. Fine chemicals and new hybrid materials from cardanol. Mini-Rev Org Chem 5 (2008) 243-253
    • (2008) Mini-Rev Org Chem , vol.5 , pp. 243-253
    • Mele, G.1    Vasapollo, G.2
  • 40
    • 0016513761 scopus 로고
    • Studies on reactions of the N-phosphonium salts of pyridines. XIV. Wholly aromatic polyamides by the direct polycondensation reaction by using phosphites in the presence of metal salts
    • Yamazaki N., Matsumoto M., and Higashi F. Studies on reactions of the N-phosphonium salts of pyridines. XIV. Wholly aromatic polyamides by the direct polycondensation reaction by using phosphites in the presence of metal salts. J Polym Sci A Polym Chem 13 (1975) 1373-1380
    • (1975) J Polym Sci A Polym Chem , vol.13 , pp. 1373-1380
    • Yamazaki, N.1    Matsumoto, M.2    Higashi, F.3
  • 41
    • 0020171832 scopus 로고
    • High-molecular-weight poly(p-phenyleneterephthalamide) by the direct polycondensation reaction with triphenyl phosphite
    • Higashi F., Ogata S., and Aoki Y. High-molecular-weight poly(p-phenyleneterephthalamide) by the direct polycondensation reaction with triphenyl phosphite. J Polym Sci A Polym Chem 20 (1982) 2081-2087
    • (1982) J Polym Sci A Polym Chem , vol.20 , pp. 2081-2087
    • Higashi, F.1    Ogata, S.2    Aoki, Y.3
  • 42
    • 0011192067 scopus 로고
    • Preparation of polyamides via the phosphorylation reaction. X. A study of Higashi reaction conditions
    • Krigbaum W.R., Kotek R., Mihara Y., and Preston J. Preparation of polyamides via the phosphorylation reaction. X. A study of Higashi reaction conditions. J Polym Sci A Polym Chem 23 (1985) 1907-1916
    • (1985) J Polym Sci A Polym Chem , vol.23 , pp. 1907-1916
    • Krigbaum, W.R.1    Kotek, R.2    Mihara, Y.3    Preston, J.4
  • 44
    • 0032688327 scopus 로고    scopus 로고
    • Novel poly(arylene ether)s with pendent trifluoromethyl groups
    • Banerjee S., Maier G., and Burger M. Novel poly(arylene ether)s with pendent trifluoromethyl groups. Macromolecules 32 (1999) 4279-4289
    • (1999) Macromolecules , vol.32 , pp. 4279-4289
    • Banerjee, S.1    Maier, G.2    Burger, M.3
  • 45
    • 33847367228 scopus 로고    scopus 로고
    • Polyimides 7: synthesis, characterization, and properties of novel soluble semifluorinated poly(ether imide)s
    • Kute V., and Banerjee S. Polyimides 7: synthesis, characterization, and properties of novel soluble semifluorinated poly(ether imide)s. J Appl Polym Sci 103 (2007) 3025-3044
    • (2007) J Appl Polym Sci , vol.103 , pp. 3025-3044
    • Kute, V.1    Banerjee, S.2
  • 46
    • 4143090793 scopus 로고    scopus 로고
    • Packing mode and conformational transition of alkyl side chains in N-alkylated poly(p-benzamide) comb-like polymer
    • Shi H., Zhao Y., Zhang X., Zhou Y., Xu Y., Zhou S., et al. Packing mode and conformational transition of alkyl side chains in N-alkylated poly(p-benzamide) comb-like polymer. Polymer 45 (2004) 6299-6307
    • (2004) Polymer , vol.45 , pp. 6299-6307
    • Shi, H.1    Zhao, Y.2    Zhang, X.3    Zhou, Y.4    Xu, Y.5    Zhou, S.6
  • 47
    • 0030166537 scopus 로고    scopus 로고
    • Structure and phase behaviour of polyazomethines having flexible (n-alkyloxy)methyl side chains
    • Kim H., Park S.B., Jung J.C., and Zin W.C. Structure and phase behaviour of polyazomethines having flexible (n-alkyloxy)methyl side chains. Polymer 37 (1996) 2845-2852
    • (1996) Polymer , vol.37 , pp. 2845-2852
    • Kim, H.1    Park, S.B.2    Jung, J.C.3    Zin, W.C.4
  • 48
    • 0027558095 scopus 로고
    • Synthesis and properties of polyazomethines having flexible (n-alkyloxy)methyl side chains
    • Park S.B., Kim H., Zin W.C., and Jung J.C. Synthesis and properties of polyazomethines having flexible (n-alkyloxy)methyl side chains. Macromolecules 26 (1993) 1627-1632
    • (1993) Macromolecules , vol.26 , pp. 1627-1632
    • Park, S.B.1    Kim, H.2    Zin, W.C.3    Jung, J.C.4
  • 49
    • 0002110946 scopus 로고
    • Rigid rod polymers with flexible side chains, 2. Observation of a novel type of layered mesophase
    • Ballauff M., and Schmidt G.F. Rigid rod polymers with flexible side chains, 2. Observation of a novel type of layered mesophase. Makromol Chem Rapid Commun 8 (1987) 93-97
    • (1987) Makromol Chem Rapid Commun , vol.8 , pp. 93-97
    • Ballauff, M.1    Schmidt, G.F.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.