Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1974-05-08
1976-07-13
Michl, Paul R.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260879, 260881, 260884, 260886, C08L 3102, C08L 2514
Patent
active
039694330
ABSTRACT:
A stabilized light reflecting iridescent polymeric material is provided. The new material comprises a three dimensional non-contiguous regular structure of uniform polymeric microspheres, wherein the center to center distance between the microspheres is in the range from about 1.500 to about 15,000A. The microspheres are obtained from a cross-linked polymeric latex and have a particle diameter size in the range from about 500 to about 10,000A. The polymeric structure is stabilized by polymerizing the suspending medium. The polymerized suspending medium containing the latex particles has a refractive index relationship expressed by the formula ##EQU1## wherein n.sub.1 is the average refractive index of the polymerized suspending medium, n.sub.2 is the average refractive index of the latex particles, and .alpha. is the degree of swelling of the latex particles in the suspending medium to provide optical discontinuity.
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Kitayama Tetsuko
Kose Akira
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