Compositions comprising a protein or isolated peptide, and methods using the same for preventing, dispersing or detaching a biofilm, are disclosed.

An anti-fouling coating comprising a polymeric compound, wherein a backbone of the polymeric compound is covalently bonded to a quorum sensing inhibitor, and wherein the anti-fouling coating has substantially no bactericidal activity, the quorum sensing inhibitor is substantially non-leaching from the anti-fouling coating, or both.

A perfluoro(poly)ether group containing silane compound represented by the formula (1a) or the formula (1b):
A-Rf—X—SiQ.sub.kY.sub.3-k  (1a)
Y.sub.3-kQ.sub.kSi—X—Rf—X—SiQ.sub.kY.sub.3-k  (1b)
as defined herein. Also disclosed is a process for producing the compound, a surface-treating agent containing the compound, a pellet containing the surface-treating agent and an optical member including a base material and a layer formed on a surface of the base material from the compound.

The present invention relates to silica aerogels with a high to very high loading (60-90% w/w) of encapsulated biocidal and/or biorepellant compounds and to methods of making and using such aerogels in anti-fouling compositions, which are especially suitable for marine use.

Disclosed herein are methods for preventing biofilm formation on a surface. The present disclosure also relates to anti-biofilm forming agents, to methods of producing and using them, and to anti-fouling coatings produced therefrom.

A coating composition comprising: (a) at least one coating agent comprising a perfluoropolyether-modified al-kyloxysilane polymer; and (b) a carrier composition comprising monochloro, trilluoropropene, wherein the carrier is present in an amount effective to at least partially solvate or at least partially emulsify the coating agent. Such compositions may optionally contain one or more other co-carriers or additives. Also disclosed are methods of coating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil and/or dirt repellent.

The disclosed technology provides thermoplastic polyurethane compositions having non-leaching antimicrobial properties while still maintaining good physical properties, methods of making the same, and articles, including medical devices, made from such compositions. The disclosed technology includes a process of making an antimicrobial polymer composition, where the process includes mixing an antimicrobial additive into a polymeric material; wherein said polymeric material comprises a polymeric backbone made up of urethane linkages derived from a polyisocyanate and a polyol; and wherein said mixing occurs under conditions that result in the breaking of a minority of said urethane bonds resulting in reactive isocyanate groups; and wherein two or more of said reactive isocyanate groups react with said antimicrobial additive to covalently bond said antimicrobial additive into the polymeric backbone of said polymeric material; resulting in an antimicrobial polymer composition.

A formulation for a coating for applications on maritime infrastructure or vessels to inhibit fouling and corrosion that comprises: (a) a nano-active material; and (b) a polymer binder; and (c) additives which include pigments, booster antifoulants, booster anticorrosion materials, solvents, polymerisation activators, viscosity modifiers and fillers, where the nano-active material, the binder and additives provide the coating with the desired most desirable properties of antifoul, anticorrosion, adhesion, and strength, required for the coating application.

The present invention discloses an aqueous antifogging resin, introducing a molecular segment and a functional group with good hydrophilicity and hygroscopicity, which impart excellent antifogging performance, coating strength and transparent flow appearance to the aqueous antifogging resin and the cured coating has a water contact angle of up to 1˜10°. The present invention further discloses a coating composition including the aqueous antifogging resin, and the cured coating of the coating composition has good antifogging, wear-resistant, water-resistant, chemical resistant, stain-resistant and UV-resistant performance, and excellent adhesion to a substrate; and the coating is firm at the same time, and has excellent film-forming strength and flexual endurance. The coating composition can be used for antifogging surface treatment of the window of mobile phone, PC or PMMA transparent materials, automotive glass and bathroom mirrors and has good long-term stability.

Described herein are coating dispersions and coatings based on hydrophobic nanofiber and silicone microbeads dispersed in a hydrophobic polymer matrix that provide a damage tolerant hydrophobic, superhydrophobic, and/or snowphobic capability. Methods of creating snow resistant materials by employing the aforementioned coatings are also described.