US 11,708,494 B2
Oleophobic and hydrophobic composition
Andreas Stammer, Mainz (DE); Stuart I. Anderson, Mosman (AU); Kevin E. Perry, Boston, MA (US); and Christopher W. Livesey, Milford, MA (US)
Assigned to ICP Construction, Inc., Andover, MA (US)
Filed by ICP Construction, Inc., Andover, MA (US)
Filed on Feb. 14, 2020, as Appl. No. 16/790,842.
Prior Publication US 2021/0253867 A1, Aug. 19, 2021
Int. Cl. C09D 5/00 (2006.01); C09D 7/63 (2018.01); C08K 5/5419 (2006.01)
CPC C09D 5/00 (2013.01) [C08K 5/5419 (2013.01); C09D 7/63 (2018.01)] 16 Claims
 
1. A composition comprising:
30-90% of a trialkoxysilane of Formula (I);

OG Complex Work Unit Chemistry
wherein R1 of Formula (I) is selected from the group consisting of linear, cyclic or branched C12-30 alkyl, C12-30 alkenyl and C12-30 alkylaryl groups; and
wherein R2, R3 and R4 of Formula (I) are selected independently from the group consisting of linear, cyclic or branched C1-6 alkyl, C1-6 alkenyl, C1-6 isoalkenyl, and C3-12 oxime forming groups; and
10-70% of a polysiloxane of Formula (II)

OG Complex Work Unit Chemistry
wherein R1, R2, R3, R4, R5 and R6 of Formula (II) are selected independently from the group consisting of H, OH, linear, cyclic or branched C1-18 alkyl, C1-6 alkenyl, C1-6 alkoxy, C1-6 aminoalkyl, C1-12 vinyl alkyl; C6-18 aryl, C3-18 epoxy-forming groups and di(C1-6 alkyl)hydrogensilyl;
wherein A is independently O or C1-6 alkyl;
wherein B is independently Si(R1)(R2) or R1;
wherein x1 ranges from 1 to 3000 inclusive;
wherein x2 ranges from 0 to 500 inclusive;
wherein x3 is either 0 or 1;
wherein x4 is either 0 or 1;
wherein x5 is either 0 or 1;
wherein x6 is either 0 or 1;
a catalyst which accelerates the reaction between Formula (I) and Formula (II), the catalyst selected from the group consisting of KOH, NaOH, HCl, C1-16 alkylbenzenesulfonic acids, a C1-6 trialkoxy silanes, a C1-12 alkylamines, C1-12 alkanoic acids, C1-12 alkanol, organotin compounds, organotitanate compounds and organozirconate compounds; and
wherein the composition having no added perfluorinated compounds and the weight percentages of all added components above totaling 100% of the weight of the composition; and further
wherein the composition exhibits both water-resistant and oleophobic characteristics.