Coating with dusting agents in pelletizing tacky elastomeric mat

Details Coating with dusting agents in pelletizing tacky elastomeric mat Coating with dusting agents in pelletizing tacky elastomeric mat

1981-03-13

1982-11-16

Cockeram, H. S.

Coating processes

Particles, flakes, or granules coated or encapsulated

Resin base

528491, 528497, 528498, 524274, 83922, 427180, 427195, 525 97, 525 98, C08L 9300, B05D 700

Patent

active

043594921

ABSTRACT:
Thermoplastic elastomers useful in formulating certain pressure-sensitive hot-melt adhesives are normally very tacky and thus are hard to handle. The present invention relates to a method of eliminating problems due to this tackiness by dusting the elastomer pellets with a friable polymer resin having a ring and ball softening point of at least 95.degree. C. Selection of a polymer resin which is normally used in adhesive formulations allows one to overcome tackiness without having detrimental effects on the ultimate adhesive properties of formulations based on the elastomer.

REFERENCES:
patent: T982004 (1979-05-01), Klensendorf et al.
patent: 2895939 (1959-07-01), Stober et al.
patent: 3359128 (1967-12-01), Humphrey et al.
patent: 3446642 (1969-05-01), Webb
patent: 4024312 (1977-05-01), Korpman
patent: 4101484 (1978-07-01), Doss
patent: 4271213 (1981-06-01), Grimm et al.

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