Solid biocide dry blend

Details Solid biocide dry blend Solid biocide dry blend

1986-04-17

1987-05-05

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 53, 521 55, 521 56, 521 89, 521 93, 521139, 521143, 521146, 521148, 521180, 523122, C08J 940

Patent

active

046633596

ABSTRACT:
A composition comprising a dry blend mixture of a porous thermoplastic resin powder and from 1 to 80 wt. % of a microbiocide based upon the weight of the composition. The microbiocide is present in the mixture at a concentration of at least about 20 times greater than the normal upper usage concentration of the microbiocide, and is held within the pores of the thermoplastic powder.
The resulting concentrate is a substantially non-dusting, free-flowing powder which is readily incorporated into a second thermoplastic resin to produce a resulting article having the appropriate level of microbiocide.

REFERENCES:
patent: 3371053 (1968-02-01), Raskin
patent: 3644238 (1972-02-01), Smith
patent: 4229547 (1980-10-01), Cohen et al.
patent: 4360651 (1982-11-01), Dinbergs
patent: 4391920 (1983-07-01), Lange
patent: 4435524 (1984-03-01), Dinbergs
patent: 4454198 (1984-06-01), Fickel et al.
patent: 4458057 (1984-07-01), Basu
patent: 4464519 (1984-08-01), Mango

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