Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1991-04-25
1992-06-23
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524377, 524428, 524563, C08J 303, C08K 502, C08L 2712
Patent
active
051243954
ABSTRACT:
A new tire sealant and inflator composition is provided, which combines a sealant in an aqueous carrier with a non-flammable, non-ozone depleting propellant/inflator. A preferred composition combines a sealant composition with 1,1,1,2-tetrafluoroethane (134a). In a preferred embodiment, a vapor pressure depressant is combined with the sealant and 134a. A preferred sealant and inflator composition comprises from about 20% to about 80% of 134a, from about 2% to about 10% of a sealer, such as latex, or a polyvinyl acetate emulsion; from about 1% to about 8% of a freezing point depressant, such as an alkylene glycol; from about 0.1% to about 1% of a corrosion inhibitor, such as ammonia; from about 30% to about 70% of a carrier, such as water; and from about 4% to about 40% of a vapor pressure depressant, such as a glycol ether. A preferred vapor pressure depressant is 2-butoxyethanol, and a preferred freezing point depressant is ethylene glycol. Preferably the sealant composition combine with 134a or other non-flammable and non-ozone depleting propellant/inflator is biodegradable.
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"The Ozone Lay, The Greenhouse Effect", ICI Americas Inc., General Chemical's Dept., Halocarbon Devel. Gropu, Wilmington, Del. 19897.
"Potential Substitues To Chlorofluorcarbons As Aerosol Propellants," ICI Chemicals and Polymers Limited, Brochure No. GZ/20069/20707/2ED/23/989 Cheshire, England.
"`ARCTON` 134a Preliminary Data Sheet," ICI Chemicals and Polymers Limited, Brochure No. GC/16882/20080/4Ed/13/789, Jul. 1989.
Abramowski Herst
Wells James D.
Michl Paul R.
Radiator Specialty Company
Rajguru U. K.
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