Antifouling agents, their production and use, and antifouling coating produced therefrom

US6413446B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Markus Mechtel · Neunburg vorm Wald, DE
• Michael Mager · Leverkusen, DE
• Karl-Heinz Kasler · Bensberg, DE

Key dates

• Filing date: Jun 18, 1999
• Grant date: Jul 2, 2002
• Expiry date: Jun 18, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31663
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to antifouling agents containing(A) at least one multifunctional carbosilane and/or carbosiloxane of formula (I)Q[(CH2)mSiR1nX(3−n)]p  (I) and/or a partial condensation product thereof,whereineach R1 is independently a C1-C18 alkyl and/or C6-C20 aryl,X is OH, C1-C4 alkoxy, C6-C20 aryloxy, or C1-C6 acyloxy,n is 0 to 2,m is 2 to 6,p is an integer ≧2, andQ is either (i) a linear or cyclic silane or siloxane or (ii) an unsubstituted hydrocarbon or a hydrocarbon in which at least one carbon atom is substituted with at least one member of the group consisting of O, N, S, and P, andoptionally(B) one or more alkoxysilanes,(C) an organic solvent and/or water,(D) a catalyst,(E) inorganic nanoparticles, and/or(F) other additives.