C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/345, 400/500
C08G 75/14 (2006.01) C08L 81/04 (2006.01) C09K 3/10 (2006.01)
Patent
CA 1177999
ABSTRACT Compositions which are stable in the absence of oxygen are formed by mixing the following substantially in the absence of oxygen (A) 100 parts by weight of at least one mercapto-functional organic compound which contains at least two mercapto groups per molecule; (B) 0 to 200 parts by weight of at least one filler; and (C) a catalytic amount of a metal carbonyl compound selected from the group consisting of Fe(CO)5, Fe2(CO)9, Fe3(CO)12, dicyclopentadienyldiiron tetracarbonyl, butadieneiron tricarbonyl, cyclohexadieneiron tricaronyl, Ni(CO)4, dicyclopentadienyldinickel dicarbonyl, Mn2(CO)10, methylcyclopentadienylmanganese tricarbonyl and cyclopentadienylcobalt dicarbonyl compound per 100 parts by weight of (A). Such compositions polymerize or cure upon exposure to oxygen. When used in layers of up to 3 millimeters thick, these compositions polymerize or cure at room temperature in a reasonable amount of time to form higher molecular weight products which are useful as coatings, impregnants or elastomeric sealants.
364864
Homan Gary R.
Lee Chi-Long
Dow Corning Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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