Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1974-06-03
1976-05-18
Tillman, Murray
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260881, 260885, 260886, 260898, 260899, 260901, C08L 2514, C08L 2706, C08L 3102
Patent
active
039579174
ABSTRACT:
A composition for molding information carriers, such composition consisting of a uniformly kneaded mixture of (I) 100 parts by weight of a composite resin having a specific viscosity of 0.16 to 0.40 composed uniformly of (A) 90 to 40% by weight of a vinyl chloride resin portion having a specific viscosity of 0.16 to 0.28 and (B) 10 to 60% by weight of a methyl methacrylate portion having a specific viscosity of 0.10 tp 0.90, and (II) 1 to 10 parts by weight of molding additives, the specific viscosity being measured on a 100 ml. nitrobenzene solution containing 0.4g of the sample at 30.degree.C., the composition having a melt viscosity of 3 .times. 10.sup.3 to 3 .times. 10.sup.4 poises at 160.degree.C. at a shearing rate of 10.sup.3 sec.sup.-.sup.1 and a break elongation of at least 10% when stretched at 25.degree.C. at a tensile speed of 10mm/min.
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Kawahara Tetsuyo
Kitaguchi Hiroshi
Nakamura Katsuya
Nakamura Mamoru
Ueda Tsutomu
Nippon Zeon Co. Ltd.
Page Thurman K.
Tillman Murray
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