Ultra-high-index glass microspheres and products made therefrom

Details Ultra-high-index glass microspheres and products made therefrom Ultra-high-index glass microspheres and products made therefrom

1981-03-11

1982-09-07

Seccuro, Carman J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

524520, 525199, 523172, 428463, 428483, 428500, 428433, C08K 340, C08L 2716, C08L 3312

Patent

active

043483127

ABSTRACT:
Compositions comprising copolymers of methyl methacrylate and ethyl acrylate and of vinylidene fluoride and hexafluoropropylene may be blended to form transparent compositions of low refractive index, making them useful in retroreflective products as a layer in which glass microspheres are embedded.

REFERENCES:
patent: 3340222 (1967-09-01), Fang
patent: 3458391 (1969-07-01), Miller
patent: 3790645 (1974-02-01), Murayama et al.
patent: 3895029 (1975-07-01), Ward
patent: 4091055 (1978-05-01), Kidoh et al.

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