Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1992-05-08
1994-06-07
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C08K 512
Patent
active
053190009
ABSTRACT:
The present invention relates, in one aspect, to a process for preparing a storage-stable dispersion of a biocide which comprises the steps of: (a) mixing a plastisol, comprising a resin and a carrier, and a biocide to provide a mixture of said plastisol and said biocide (b) heating said mixture of plastisol and biocide to an elevated temperature of between about 30.degree. C. and about 100.degree. C. to provide a homogeneous, storage stable dispersion, said dispersion containing said biocide in an amount of between about one and about 30 weight percent based upon the weight of said dispersion, said resin being present in an amount of between about 5 and about 75 weight percent based upon the weight of said dispersion, with the proviso that when the weight percent of said resin in said dispersion is between about 30% and about 75%, then said elevated temperature is between 30.degree. C. and 45.degree. C., and when the weight percent of said resin in said dispersion is between about 5% and about 29%, then said elevated temperature is between 46.degree. C. and 100.degree. C., and (c) cooling the dispersion to a temperature of between about -20.degree. C. and about 40.degree. C. to provide a storage-stable mixture having a viscosity of between about 2,000 and about 30,000 centipoise.
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Hani Rahim
O'Connor James M.
Waldron Craig
Cain Edward J.
Carlson Dale Lynn
Michl Paul R.
Olin Corporation
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