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Volumn 52, Issue 35, 2013, Pages 12567-12573

Effect of entanglement density on mechanical properties and deformation behavior of rubber-modified PVC/α-MSAN blends

Author keywords

[No Author keywords available]

Indexed keywords

DEFORMATION BEHAVIOR; DEFORMATION MECHANISM; METHYLSTYRENE; MISCIBLE BLEND; SHEAR YIELDING;

EID: 84883730931     PISSN: 08885885     EISSN: 15205045     Source Type: Journal    
DOI: 10.1021/ie4009088     Document Type: Article
Times cited : (19)

References (54)
  • 1
  • 2
    • 0020143530 scopus 로고
    • Plastic deformation mechanisms in poly(acrylonitrile-butadiene styrene) [ABS]
    • Donald, A. M.; Kramer, E. J. Plastic deformation mechanisms in poly(acrylonitrile-butadiene styrene) [ABS] J. Mater. Sci. 1982, 17, 1765
    • (1982) J. Mater. Sci. , vol.17 , pp. 1765
    • Donald, A.M.1    Kramer, E.J.2
  • 3
    • 0023422549 scopus 로고
    • Synergistic toughening in rubber modified blends
    • Fowler, M. E.; Keskkula, H.; Paul, D. R. Synergistic toughening in rubber modified blends Polymer 1987, 28, 1703
    • (1987) Polymer , vol.28 , pp. 1703
    • Fowler, M.E.1    Keskkula, H.2    Paul, D.R.3
  • 5
    • 0025749587 scopus 로고
    • The role of inherent ductility in rubber toughening of brittle polymers
    • Kim, H.; Keskkula, H.; Paul, D. R. The role of inherent ductility in rubber toughening of brittle polymers Polymer 1991, 32, 2372
    • (1991) Polymer , vol.32 , pp. 2372
    • Kim, H.1    Keskkula, H.2    Paul, D.R.3
  • 6
    • 2442516394 scopus 로고    scopus 로고
    • Rubber toughening of an amorphous polyamide by functionalized SEBS copolymers: Morphology and Izod impact behavior
    • Huang, J. J.; Keskkula, H.; Paul, D. R. Rubber toughening of an amorphous polyamide by functionalized SEBS copolymers: morphology and Izod impact behavior Polymer 2004, 45, 4203
    • (2004) Polymer , vol.45 , pp. 4203
    • Huang, J.J.1    Keskkula, H.2    Paul, D.R.3
  • 7
    • 23744443500 scopus 로고    scopus 로고
    • Toughening of poly(butylene terephthalate) with epoxy-functionalized acrylonitrile-butadiene-styrene
    • Sun, S. L.; Xu, X. Y.; Yang, H. D.; Zhang, H. X. Toughening of poly(butylene terephthalate) with epoxy-functionalized acrylonitrile-butadiene- styrene Polymer 2005, 46, 7632
    • (2005) Polymer , vol.46 , pp. 7632
    • Sun, S.L.1    Xu, X.Y.2    Yang, H.D.3    Zhang, H.X.4
  • 8
    • 70350780423 scopus 로고    scopus 로고
    • Notched impact behavior of polymer blends: Part 1: New model for particle size dependence
    • Bucknall, C. B.; Paul, D. R. Notched impact behavior of polymer blends: Part 1: New model for particle size dependence Polymer 2009, 50, 5539
    • (2009) Polymer , vol.50 , pp. 5539
    • Bucknall, C.B.1    Paul, D.R.2
  • 9
    • 84863848204 scopus 로고    scopus 로고
    • Toughening of polyamide-6 with a maleic anhydride functionalized acrylonitrile-styrene-butyl acrylate copolymer
    • Liu, Z. G.; Deng, Y. J.; Han, Y.; Chen, M.; Sun, S. L.; Cao, C. L.; Zhou, C.; Zhang, H. X. Toughening of polyamide-6 with a maleic anhydride functionalized acrylonitrile-styrene-butyl acrylate copolymer Ind. Eng. Chem. Res. 2012, 51, 9235
    • (2012) Ind. Eng. Chem. Res. , vol.51 , pp. 9235
    • Liu, Z.G.1    Deng, Y.J.2    Han, Y.3    Chen, M.4    Sun, S.L.5    Cao, C.L.6    Zhou, C.7    Zhang, H.X.8
  • 10
    • 84871922123 scopus 로고    scopus 로고
    • Notched impact behavior of polymer blends: Part 2: Dependence of critical particle size on rubber particle volume fraction
    • Bucknall, C. B.; Paul, D. R. Notched impact behavior of polymer blends: Part 2: Dependence of critical particle size on rubber particle volume fraction Polymer 2013, 54, 320
    • (2013) Polymer , vol.54 , pp. 320
    • Bucknall, C.B.1    Paul, D.R.2
  • 11
    • 84876120175 scopus 로고    scopus 로고
    • Co-toughened Polystyrene by Sub-micron Sized Core-shell Rubber Particles and Micron Sized Salami Rubber Particles
    • Deng, Y. J.; Gao, G. H.; Liu, Z. G.; Cao, C. L.; Zhang, H. X. Co-toughened Polystyrene by Sub-micron Sized Core-shell Rubber Particles and Micron Sized Salami Rubber Particles Ind. Eng. Chem. Res. 2013, 52, 5079
    • (2013) Ind. Eng. Chem. Res. , vol.52 , pp. 5079
    • Deng, Y.J.1    Gao, G.H.2    Liu, Z.G.3    Cao, C.L.4    Zhang, H.X.5
  • 12
    • 2342498961 scopus 로고
    • Phase structure and adhesion in polymer blends: A criterion for rubber toughening
    • Wu, S. Phase structure and adhesion in polymer blends: A criterion for rubber toughening J. Polym. Sci., Part B: Polym. Phys. 1983, 21, 699
    • (1983) J. Polym. Sci., Part B: Polym. Phys. , vol.21 , pp. 699
    • Wu, S.1
  • 13
    • 0020776792 scopus 로고
    • Craze fibril formation and breakdown
    • Kramer, E. J. Craze fibril formation and breakdown Polym. Eng. Sci. 1984, 24, 761
    • (1984) Polym. Eng. Sci. , vol.24 , pp. 761
    • Kramer, E.J.1
  • 14
    • 0022695102 scopus 로고
    • Loss of entanglement density during crazing
    • Henkee, C. S.; Kramer, E. J. Loss of entanglement density during crazing J. Mater. Sci. 1986, 21, 1398
    • (1986) J. Mater. Sci. , vol.21 , pp. 1398
    • Henkee, C.S.1    Kramer, E.J.2
  • 16
    • 0025456223 scopus 로고
    • Chain structure, phase morphology, and toughness relationships in polymers and blends
    • Wu, S. Chain structure, phase morphology, and toughness relationships in polymers and blends Polym. Eng. Sci. 1990, 30, 753
    • (1990) Polym. Eng. Sci. , vol.30 , pp. 753
    • Wu, S.1
  • 17
    • 0024091213 scopus 로고
    • The effect of temperature on the transition from crazing to shear deformation in crosslinked polystyrene
    • Berger, L. L.; Kramer, E. J. The effect of temperature on the transition from crazing to shear deformation in crosslinked polystyrene J. Mater. Sci. 1988, 23, 3536
    • (1988) J. Mater. Sci. , vol.23 , pp. 3536
    • Berger, L.L.1    Kramer, E.J.2
  • 18
    • 0025403170 scopus 로고
    • Environmental shear deformation zones and crazes in crosslinked polystyrene and poly(para-methylstyrene)
    • Miller, P.; Kramer, E. J. Environmental shear deformation zones and crazes in crosslinked polystyrene and poly(para-methylstyrene) J. Mater. Sci. 1990, 25, 1751
    • (1990) J. Mater. Sci. , vol.25 , pp. 1751
    • Miller, P.1    Kramer, E.J.2
  • 19
    • 0022094260 scopus 로고
    • The effect of temperature on crazing mechanisms in polystyrene
    • Donald, A. M. The effect of temperature on crazing mechanisms in polystyrene J. Mater. Sci. 1985, 20, 2630
    • (1985) J. Mater. Sci. , vol.20 , pp. 2630
    • Donald, A.M.1
  • 21
    • 0034191934 scopus 로고    scopus 로고
    • Influence of the loading rate on the fracture resistance of isotactic polypropylene and impact modified isotactic polypropylene
    • Gensler, R.; Plummer, C. J. G.; Grein, C.; Kausch, H. H. Influence of the loading rate on the fracture resistance of isotactic polypropylene and impact modified isotactic polypropylene Polymer 2000, 41, 3809
    • (2000) Polymer , vol.41 , pp. 3809
    • Gensler, R.1    Plummer, C.J.G.2    Grein, C.3    Kausch, H.H.4
  • 22
    • 0141459938 scopus 로고    scopus 로고
    • Temperature-dependent transition of deformation mode in poly(1, 4-cyclohexylenedimethylene terephthalate)/poly(ethylene terephthalate) copolymers
    • Lee, S. S.; Yee, A. F. Temperature-dependent transition of deformation mode in poly(1, 4-cyclohexylenedimethylene terephthalate)/poly(ethylene terephthalate) copolymers Macromolecules 2003, 36, 6791
    • (2003) Macromolecules , vol.36 , pp. 6791
    • Lee, S.S.1    Yee, A.F.2
  • 23
    • 33947230123 scopus 로고    scopus 로고
    • Miscibility and rheological properties of poly(vinyl chloride)/styrene- acrylonitrile blends prepared by melt extrusion
    • Moon, H. S.; Choi, W. M.; Kim, M. H.; Park, O. O. Miscibility and rheological properties of poly(vinyl chloride)/styrene-acrylonitrile blends prepared by melt extrusion J. Appl. Polym. Sci. 2007, 104, 95
    • (2007) J. Appl. Polym. Sci. , vol.104 , pp. 95
    • Moon, H.S.1    Choi, W.M.2    Kim, M.H.3    Park, O.O.4
  • 24
    • 58149267559 scopus 로고    scopus 로고
    • Mechanical and thermal properties of poly(vinyl chloride)/α-methyl- styrene-acrylonitrile blends prepared by melt extrusion
    • Moon, H. S.; Kim, M. H.; Park, O. O. Mechanical and thermal properties of poly(vinyl chloride)/α-methyl-styrene-acrylonitrile blends prepared by melt extrusion J. Appl. Polym. Sci. 2009, 111, 237
    • (2009) J. Appl. Polym. Sci. , vol.111 , pp. 237
    • Moon, H.S.1    Kim, M.H.2    Park, O.O.3
  • 25
    • 84863070541 scopus 로고    scopus 로고
    • A Study on Properties of poly(vinyl chloride)/poly(α-methylstyrene- acrylonitrile) Binary Blends
    • Zhang, Z.; Chen, S. J.; Zhang, J. A Study on Properties of poly(vinyl chloride)/poly(α-methylstyrene-acrylonitrile) Binary Blends J. Macromol. Sci. B 2012, 51, 22
    • (2012) J. Macromol. Sci. B , vol.51 , pp. 22
    • Zhang, Z.1    Chen, S.J.2    Zhang, J.3
  • 26
    • 0028392663 scopus 로고
    • Phase behaviour of blends of homopolymers with α-methylstyrene/ acrylonitrile copolymers
    • Gan, P. P.; Paul, D. R.; Padwa, A. R. Phase behaviour of blends of homopolymers with α-methylstyrene/acrylonitrile copolymers Polymer 1994, 35, 1487
    • (1994) Polymer , vol.35 , pp. 1487
    • Gan, P.P.1    Paul, D.R.2    Padwa, A.R.3
  • 27
    • 0024656770 scopus 로고
    • Phase behavior of blends of poly(vinyl chloride) with an α-methyl styrene/acrylonitrile copolymer
    • Kim, J. H.; Barlow, J. W.; Paul, D. R. Phase behavior of blends of poly(vinyl chloride) with an α-methyl styrene/acrylonitrile copolymer Polym. Eng. Sci. 1989, 29, 581
    • (1989) Polym. Eng. Sci. , vol.29 , pp. 581
    • Kim, J.H.1    Barlow, J.W.2    Paul, D.R.3
  • 28
    • 0030082892 scopus 로고    scopus 로고
    • Effect of intramolecular interactions on the miscibility windows of PVC blends with modified SAN copolymers
    • Kim, C. H.; Park, J. K.; Hwang, T. S. Effect of intramolecular interactions on the miscibility windows of PVC blends with modified SAN copolymers Polym. Eng. Sci. 1996, 36, 535
    • (1996) Polym. Eng. Sci. , vol.36 , pp. 535
    • Kim, C.H.1    Park, J.K.2    Hwang, T.S.3
  • 29
    • 45849110301 scopus 로고    scopus 로고
    • Effect of α-MSt content in α-MSAN copolymer on the miscibility of PVC/α-MSAN blends
    • Zhang, L. X.; Sun, S. L.; Li, X. W.; Zhang, M. Y.; Zhang, H. X. Effect of α-MSt content in α-MSAN copolymer on the miscibility of PVC/α-MSAN blends Polym. Bull. 2008, 61, 99
    • (2008) Polym. Bull. , vol.61 , pp. 99
    • Zhang, L.X.1    Sun, S.L.2    Li, X.W.3    Zhang, M.Y.4    Zhang, H.X.5
  • 30
    • 43249118995 scopus 로고    scopus 로고
    • Effect of the composition of α-MSAN copolymer on the miscibility of PVC/α-MSAN blends
    • Zhang, L. X.; Sun, S. L.; Ren, L.; Zhang, F. F.; Zhang, M. Y.; Zhang, H. X. Effect of the composition of α-MSAN copolymer on the miscibility of PVC/α-MSAN blends J. Appl. Polym. Sci. 2008, 108, 3016
    • (2008) J. Appl. Polym. Sci. , vol.108 , pp. 3016
    • Zhang, L.X.1    Sun, S.L.2    Ren, L.3    Zhang, F.F.4    Zhang, M.Y.5    Zhang, H.X.6
  • 31
    • 77957817025 scopus 로고    scopus 로고
    • Influence of chlorinated polyethylene on poly(vinyl chloride)/ poly(α-methylstyrene-acrylonitrile) blends: Mechanical properties, morphology and thermal properties
    • Zhang, Z.; Chen, S. J.; Zhang, J.; Li, B.; Jin, X. P. Influence of chlorinated polyethylene on poly(vinyl chloride)/poly(α-methylstyrene- acrylonitrile) blends: Mechanical properties, morphology and thermal properties Polym. Test. 2010, 29, 995
    • (2010) Polym. Test. , vol.29 , pp. 995
    • Zhang, Z.1    Chen, S.J.2    Zhang, J.3    Li, B.4    Jin, X.P.5
  • 32
    • 79955644927 scopus 로고    scopus 로고
    • Synergistic toughening effect of chlorinated polyethylene and ethylene-vinyl acetate copolymer on the poly(vinyl chloride)/poly(α- methylstyrene-acrylonitrile) blends via compatibilization
    • Zhang, Z.; Chen, S. J.; Zhang, J. Synergistic toughening effect of chlorinated polyethylene and ethylene-vinyl acetate copolymer on the poly(vinyl chloride)/poly(α-methylstyrene-acrylonitrile) blends via compatibilization Polym. Test. 2011, 30, 534
    • (2011) Polym. Test. , vol.30 , pp. 534
    • Zhang, Z.1    Chen, S.J.2    Zhang, J.3
  • 33
    • 84856715356 scopus 로고    scopus 로고
    • Poly(vinyl chloride)/poly(α-methylstyrene-acrylonitrile)/acrylic resin ternary blends with enhanced toughness and heat resistance
    • Zhang, Z.; Li, B.; Chen, S. J.; Zhang, J.; Jin, X. P. Poly(vinyl chloride)/poly(α-methylstyrene-acrylonitrile)/acrylic resin ternary blends with enhanced toughness and heat resistance Polym. Adv. Technol. 2012, 23, 336
    • (2012) Polym. Adv. Technol. , vol.23 , pp. 336
    • Zhang, Z.1    Li, B.2    Chen, S.J.3    Zhang, J.4    Jin, X.P.5
  • 34
    • 84874268326 scopus 로고    scopus 로고
    • Blends of poly(vinyl chloride) with α-methylstyrene-acrylonitrile- butadiene-styrene copolymer: Thermal properties, mechanical properties, and morphology
    • Zhang, Z.; Chen, S. J.; Zhang, J. Blends of poly(vinyl chloride) with α-methylstyrene-acrylonitrile-butadiene-styrene copolymer: Thermal properties, mechanical properties, and morphology J. Vinyl Addit. Technol. 2013, 19, 1
    • (2013) J. Vinyl Addit. Technol. , vol.19 , pp. 1
    • Zhang, Z.1    Chen, S.J.2    Zhang, J.3
  • 35
    • 84989078695 scopus 로고
    • Predicting chain conformation and entanglement of polymer from chemical structure
    • Wu, S. Predicting chain conformation and entanglement of polymer from chemical structure Polym. Eng. Sci. 1992, 32, 823
    • (1992) Polym. Eng. Sci. , vol.32 , pp. 823
    • Wu, S.1
  • 36
    • 0000808492 scopus 로고
    • Rheological properties of poly(2, 6-dimethylphenylene oxide)-polystyrene blends
    • Prest, W. M.; Porter, R. S. Rheological properties of poly(2, 6-dimethylphenylene oxide)-polystyrene blends J. Polym. Sci. (A-2) 1972, 10, 1639
    • (1972) J. Polym. Sci. (A-2) , vol.10 , pp. 1639
    • Prest, W.M.1    Porter, R.S.2
  • 38
    • 0016406345 scopus 로고
    • The entanglement concept in polymer rheology
    • Graessley, W. W. The entanglement concept in polymer rheology Adv. Polym. Sci. 1974, 16, 1
    • (1974) Adv. Polym. Sci. , vol.16 , pp. 1
    • Graessley, W.W.1
  • 39
    • 0023312762 scopus 로고
    • Entanglement between dissimilar chains in compatible polymer blends: Poly(methyl methacrylate) and poly(vinylidene fluoride)
    • Wu, S. Entanglement between dissimilar chains in compatible polymer blends: poly(methyl methacrylate) and poly(vinylidene fluoride) J. Polym. Sci., Part B: Polym. Phys. 1987, 25, 557
    • (1987) J. Polym. Sci., Part B: Polym. Phys. , vol.25 , pp. 557
    • Wu, S.1
  • 40
    • 0023586392 scopus 로고
    • Entanglement, friction, and free volume between dissimilar chains in compatible polymer blends
    • Wu, S. Entanglement, friction, and free volume between dissimilar chains in compatible polymer blends J. Polym. Sci., Part B: Polym. Phys. 1987, 25, 2511
    • (1987) J. Polym. Sci., Part B: Polym. Phys. , vol.25 , pp. 2511
    • Wu, S.1
  • 41
    • 11944260636 scopus 로고
    • Fundamental processes of craze growth and fracture
    • Kramer, E. J.; Berger, L. L. Fundamental processes of craze growth and fracture Adv. Polym. Sci. 1990, 91/92, 1
    • (1990) Adv. Polym. Sci. , vol.9192 , pp. 1
    • Kramer, E.J.1    Berger, L.L.2
  • 42
    • 0024748502 scopus 로고
    • Miscibility of poly(vinyl chloride) with styrene/acrylonitrile copolymers
    • Kim, J. H.; Barlow, J. W.; Paul, D. R. Miscibility of poly(vinyl chloride) with styrene/acrylonitrile copolymers J. Polym. Sci., Part B: Polym. Phys. 1989, 27, 2211
    • (1989) J. Polym. Sci., Part B: Polym. Phys. , vol.27 , pp. 2211
    • Kim, J.H.1    Barlow, J.W.2    Paul, D.R.3
  • 43
    • 84951406731 scopus 로고
    • Stress whitening and yielding mechanism of rubber-modified PVC
    • Breuer, H.; Haaf, F.; Stabenow, J. Stress whitening and yielding mechanism of rubber-modified PVC J. Macromol. Sci. Phys. 1977, B14, 387
    • (1977) J. Macromol. Sci. Phys. , vol.14 , pp. 387
    • Breuer, H.1    Haaf, F.2    Stabenow, J.3
  • 44
    • 0023847002 scopus 로고
    • Failure mechanisms in toughened epoxy resins-A review
    • Garg, A. C.; Mai, Y. W. Failure mechanisms in toughened epoxy resins-a review Compos. Sci. Technol. 1988, 31, 179
    • (1988) Compos. Sci. Technol. , vol.31 , pp. 179
    • Garg, A.C.1    Mai, Y.W.2
  • 46
    • 0000575492 scopus 로고
    • Toughening mechanisms in core-shell rubber modified polycarbonate
    • Parker, D. S.; Sue, H. J.; Huang, J.; Yee, A. F. Toughening mechanisms in core-shell rubber modified polycarbonate Polymer 1990, 31, 2267
    • (1990) Polymer , vol.31 , pp. 2267
    • Parker, D.S.1    Sue, H.J.2    Huang, J.3    Yee, A.F.4
  • 47
    • 0035811293 scopus 로고    scopus 로고
    • Rubber-modified glassy amorphous polymers prepared via chemically induced phase separation. 1. Morphology development and mechanical properties
    • Jansen, B. J. P.; Rastogi, S.; Meijer, H. E. H.; Lemstra, P. J. Rubber-modified glassy amorphous polymers prepared via chemically induced phase separation. 1. Morphology development and mechanical properties Macromolecules 2001, 34, 3998
    • (2001) Macromolecules , vol.34 , pp. 3998
    • Jansen, B.J.P.1    Rastogi, S.2    Meijer, H.E.H.3    Lemstra, P.J.4
  • 48
    • 0033737847 scopus 로고    scopus 로고
    • Predictive modelling of the properties and toughness of polymeric materials Part i Why is polystyrene brittle and polycarbonate tough?
    • Smit, R. J. M.; Brekelmans, W. A. M.; Meijer, H. E. H. Predictive modelling of the properties and toughness of polymeric materials Part I Why is polystyrene brittle and polycarbonate tough? J. Mater. Sci. 2000, 35, 2855
    • (2000) J. Mater. Sci. , vol.35 , pp. 2855
    • Smit, R.J.M.1    Brekelmans, W.A.M.2    Meijer, H.E.H.3
  • 49
    • 0033747978 scopus 로고    scopus 로고
    • Predictive modelling of the properties and toughness of polymeric materials Part II Effect of microstructural properties on the macroscopic response of rubber-modified polymers
    • Smit, R. J. M.; Brekelmans, W. A. M.; Meijer, H. E. H. Predictive modelling of the properties and toughness of polymeric materials Part II Effect of microstructural properties on the macroscopic response of rubber-modified polymers J. Mater. Sci. 2000, 35, 2869
    • (2000) J. Mater. Sci. , vol.35 , pp. 2869
    • Smit, R.J.M.1    Brekelmans, W.A.M.2    Meijer, H.E.H.3
  • 50
    • 0033728842 scopus 로고    scopus 로고
    • Predictive modelling of the properties and toughness of polymeric materials part III simultaneous prediction of micro-and macrostructural deformation of rubber-modified polymers
    • Smit, R. J. M.; Brekelmans, W. A. M.; Meijer, H. E. H. Predictive modelling of the properties and toughness of polymeric materials part III simultaneous prediction of micro-and macrostructural deformation of rubber-modified polymers J. Mater. Sci. 2000, 35, 2881
    • (2000) J. Mater. Sci. , vol.35 , pp. 2881
    • Smit, R.J.M.1    Brekelmans, W.A.M.2    Meijer, H.E.H.3
  • 51
    • 0022752409 scopus 로고
    • Toughening mechanisms in elastomer-modified epoxies
    • Pearson, R. A.; Yee, A. F. Toughening mechanisms in elastomer-modified epoxies J. Mater. Sci. 1986, 21, 2475
    • (1986) J. Mater. Sci. , vol.21 , pp. 2475
    • Pearson, R.A.1    Yee, A.F.2
  • 52
    • 0001862097 scopus 로고
    • Cavitation versus debonding during deformation of rubber-modified poly(vinyl chloride)
    • Dompas, D.; Groeninckx, G.; Isogawa, M.; Hasegawa, T.; Kadokura, M. Cavitation versus debonding during deformation of rubber-modified poly(vinyl chloride) Polymer 1995, 36, 437
    • (1995) Polymer , vol.36 , pp. 437
    • Dompas, D.1    Groeninckx, G.2    Isogawa, M.3    Hasegawa, T.4    Kadokura, M.5
  • 53
    • 0027797754 scopus 로고
    • Dilatational bands in rubber-toughened polymers
    • Lazzeri, A.; Bucknall, C. B. Dilatational bands in rubber-toughened polymers J. Mater. Sci. 1993, 28, 6799
    • (1993) J. Mater. Sci. , vol.28 , pp. 6799
    • Lazzeri, A.1    Bucknall, C.B.2


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