Method for making block-resistant soft polymer beads

Details Method for making block-resistant soft polymer beads Method for making block-resistant soft polymer beads

1982-12-09

1984-07-31

Lusignan, Michael R.

Coating processes

Particles, flakes, or granules coated or encapsulated

Resin base

428407, 521 57, 521 59, B05D 700, C12P 3314, C12P 3308

Patent

active

044630328

ABSTRACT:
What are disclosed are a method for making non-blocking soft polymer beads by applying an adherent polymer deposit on the beads, said deposited polymer having a glass transition temperature at least 10.degree. C. higher than the glass transition temperature of the soft polymer beads, which latter temperature is below 70.degree. C., and non-blocking soft polymer beads made by this method.

REFERENCES:
patent: 2448524 (1948-09-01), Gentner
patent: 3102050 (1963-08-01), Canterino et al.
patent: 3911193 (1975-10-01), Resz et al.
patent: 4097553 (1978-06-01), Novak
patent: 4307134 (1981-12-01), Milkovich et al.
patent: 4333970 (1982-06-01), Blommers et al.
patent: 4368218 (1983-01-01), Senda et al.
Chemical Abstracts 91, 124683y (1979).
"Polymer Handbook", Brandrup/Immergut, Interscience Publishers, New York, 1966, (selected pages).
"Kunststoff-Handbuch", Carl Hanser Verlag, Munich, 1975, p. 339.

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