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US 12,351,727 B2Granted
Sealant composition and zero discharge impregnation process
OwnerBrandon Cereckeinventor
Life of this patent
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Abstract
A composition for an impregnation sealant for sealing metal castings and the like is provided, wherein the composition comprises a first monofunctional (meth)acrylate ester; a second monofunctional (meth)acrylate ester; a trifunctional monomer; and from about 5 wt % to about 20 wt % of an epoxidized soy bean oil oligomer. Also described is a zero discharge process of rinsing sealant from an impregnated article, separating sealant from the rinse water, and recycling the sealant and rinse water for reuse.
Claims7
A sealant composition comprising:
- a first monofunctional (meth)acrylate ester, wherein the first monofunctional (meth)acrylate ester is c12 and c14 alkyl methacrylate;
- a second monofunctional (meth)acrylate ester, wherein the second monofunctional (meth)acrylate ester is 2-hydroxypropyl methacrylate (HPMA);
- a trifunctional monomer;
- and
- from about 5 wt % to about 20 wt % of an oligomer derived from epoxidized soy bean oil.
2 more elements
Dependencies are inferred from the claim text.