Relationship Between Strain Energy Release Rate in Mode I Fracture and Adhesive Tensile Strength for Adhesives Having Different Molecular Structure

Lim WW; Mizumachi H

Korea Polymer Journal, Vol.5, No.4, 248-255, December, 1997

Lim WW, Mizumachi H

Copolymer of styrene-styrene containing pendant dithiocarbamate groups was prepared by a rather convenient synthetic method and the obtained copolymer was blended with poly-ole-fins such as polypropylene (PP), high density polyethylene (HDPE) and low density polyethylene (LDPE). Solvent extraction of the obtained blends showed that the dithiocarbamate group in the copolymer caused the formation of graft copolymer of polyolefin & polystyrene during melt blending. But no formation of graft copolymer was observed for blend samples which do not have any added copolymer. By the addition of the copolymer, better compatibilization of PS/polyolefin phases was observed and mechanical properties of blends were improved.

[References]

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[1] Bonner JG, Hope PS, Polymer Blends and Alloys, M.J. Folkes and P.S. Hope, Eds., Chapman & Hall, Glasgow, UK, pp. 46-74 (1993)

[2] Hajian M, Sadromohaghegh C, Scott G, Eur. Polym. J., 20, 135 (1984)

[3] Suzuki N, Moriya Y, Aoshima K, Yamamoto T, Kobunshi Ronbunshu, 44, 89 (1987)

[4] Otsu T, Yoshida M, Makromol. Chem. Rapid Commun., 3, 127 (1982)

[5] Otsu T, Yamashita K, Tsuda K, Macromolecules, 19, 287 (1986)

[6] Reghunadhan Nair CP, Clonet G, J. Macromol. Sci.-Rev., C31, 311 (1991)

[7] Van Kerckhoven C, Broeck HV, Smets G, Huybrechts J, Macromol. Chem., 192, 101 (1991)

[8] Cho CG, Bull. Korean Chem. Soc., 17, 678 (1996)

[9] Cho CG, Polym. Prepr., 37(2), 409 (1996)

[10] Turner SR, Blevins RW, Polym. Prepr., 29(2), 6 (1988)

[11] Turner SR, Blevins RW, Macromolecules, 23, 1856 (1990)

[12] Baker WE, Saleem M, Polymer, 28, 2057 (1987)

[13] Carlsson DJ, Wiles DM, Encyc. Polym. Sci. and Eng., 2nd Ed., J.I. Kroschwitz, et al., Eds., John Wiley & Sons, New York, vol. 4, pp. 630-696 (1987)

[14] Porter RS, Casale A, Ref 13, Vol. 9, pp. 467-485

[15] Tsuchiya Y, Sumi K, J. Polym. Sci. A: Polym. Chem., 7, 1599 (1960)

[16] Reghunadhan Nair CP, Clonet G, J. Macromol. Sci.-Chem., A25, 1089 (1988)