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...
Reexamination Certificate
2006-02-07
2006-02-07
Moore, Margaret G. (Department: 1712)
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...
C524S588000, C524S492000
Reexamination Certificate
active
06995210
ABSTRACT:
The invention concerns an aqueous dispersion of viscous silicone oils capable of being crosslinked into an elastomer by water elimination (condensation). The invention aims at obtaining an aqueous silicone dispersion corresponding to an optimal compromise in terms of adherence of the crosslinked elastomer on all types of supports, and the colloidal stability of the dispersion during preparation and storage. Said aqueous dispersion comprises a viscous silicone oil A, optionally a crosslinking agent B, optionally an adhesion promoter C (silane), a filler D, a catalyst E, an emulsifier F, optionally a functional additive G and water. Said dispersion is characterised in that the filler D is input into the process for obtaining the dispersion, in the form of an aqueous suspension of at least a hydrophilic compound (CaCO3SiO2, TiO2, Al2/H2O, organic polymer latex). The invention also concerns the preparation of said particularly stable dispersion since it has a residual emulsion rate T not less than 70%. The invention is useful for producing concentrated sealants and elastomer coating for insulating polymer foam (polyurethane).
REFERENCES:
patent: 4221688 (1980-09-01), Johnson et al.
patent: 5851594 (1998-12-01), Feder et al.
patent: 5895794 (1999-04-01), Berg et al.
patent: 6521699 (2003-02-01), Feder et al.
patent: 0 166 397 (1986-01-01), None
patent: 0 354 015 (1990-02-01), None
patent: 0 606 671 (1994-07-01), None
patent: 2 753 708 (1998-03-01), None
patent: WO94/09059 (1994-04-01), None
patent: 98/13410 (1998-04-01), None
Bouvy Bernard
Deruelle Martial
Feder Michel
Moore Margaret G.
Rhodia Chimie
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