Abstract:
Disclosed are photo sensitizers that include a polyol moiety covalently bonded to a fused aromatic moiety. Also disclosed is a method for improving UV laser ablation performance of a coating, such as a cationic UV curable coating, by incorporating an oxalyl-containing additive into the cationic UV curable or other coating. Oxalyl-containing sensitizers having the formula Q-O—C(O)—C(O)—O—R1 wherein Q represents a fused aromatic moiety and R1 is an alkyl or aryl group, are also disclosed, as are oxalyl-containing oxetane resins, oxalyl-containing polyester polyols, and cationic UV curable coating formulations that include oxalyl-containing additives.
Abstract:
The invention relates to solvent-containing two-component polyurethane moisture cured hybrid sol-gel coating formulation comprising 1) an epoxy-functional binder with carbamate functionality and 2) a blended curing component comprising at least one sol gel precursor and an amine crosslinker.
Abstract:
A polymeric material, prepared by reacting a mixture comprising a polyorganosiloxane having one or more isocyanate-reactive functional groups, polyisocyanate, and polyol, is provided. The isocyanate-reactive functional groups, typically one or two, are attached to only a single end of the polyorganosiloxane chains. The polymeric material may be used to form coatings on a substrate and to inhibit fouling on surfaces exposed to aqueous conditions.
Abstract:
Polysiloxanes terminated with one or more hydroxy functional carbamate groups are provided. The polymers may have the formula (I) wherein R1, R2, R3, and R4 are independently hydrogen, C1-C10 alkyl, C1-C10 fluoro-substituted alkyl; cyclopentyl, cyclohexyl, benzyl, toluoyl, xylyl and/or phenyl; R5 and R6 are linking groups; R15 and R16 are independently hydrogen, C1-C10 alkyl, cyclopentyl, cyclohexyl, benzyl, toluoyl, xylyl or phenyl; and L1 and L2 are linking groups. Typically, x is such that the polymer has a molecular weight of about 1,000 to 100,000. Other polymeric materials produced by reacting with an isocyanate functional compound or a lactone and coating compositions containing such polymeric materials are also provided.
Abstract:
Disclosed are photosensitizers that include a polyol moiety covalently bonded to a fused aromatic moiety. Also disclosed is a method for improving UV laser ablation performance of a coating, such as a cationic UV curable coating, by incorporating an oxalyl-containing additive into the cationic UV curable or other coating. Oxalyl-containing sensitizers having the formula Q-O—C(O)—C(O)—O—R1, wherein Q represents a fused aromatic moiety and R1 is an alkyl or aryl group, are also disclosed, as are oxalyl-containing oxetane resins, oxalyl-containing polyester polyols, and cationic UV curable coating formulations that include oxalyl-containing additives.
Abstract:
Polysiloxanes terminated with one or more hydroxy functional carbamate groups are provided. The polymers may have the formula (I) wherein R1, R2, R3, and R4 are independently hydrogen, C1-C10 alkyl, C1-C10 fluoro-substituted alkyl; cyclopentyl, cyclohexyl, benzyl, toluoyl, xylyl and/or phenyl; R5 and R6 are linking groups; R15 and R16 are independently hydrogen, C1-C10 alkyl, cyclopentyl, cyclohexyl, benzyl, toluoyl, xylyl or phenyl; and L1 and L2 are linking groups. Typically, x is such that the polymer has a molecular weight of about 1,000 to 100,000. Other polymeric materials produced by reacting with an isocyanate functional compound or a lactone and coating compositions containing such polymeric materials are also provided.
Abstract:
A protective coating including a crosslinked polyester that is removable with a basic composition, as well as coated articles, methods of preparing a protective coating, and methods of using a protective coating.
Abstract:
The invention relates to alcohol-modified glycidyl carbamate resins wherein at least some of the glycidol groups in the resin have been replaced with an alcohol. The invention also relates to coating compositions containing the resins.
Abstract:
A zwitterionic/amphiphilic pentablock copolymer was prepared using atom transfer radical polymerization (ATRP). The pentablock copolymer is prepared for the atom transfer radical polymerization of a PDMS-PEO-Br macroinitiator and SBMA. The pentablock copolymer is incorporated into a polyurethane coating composition which is useful for antifouling and/or fouling release applications.
Abstract:
A polymeric material, prepared by reacting a mixture comprising a polyorganosiloxane having one or more isocyanate-reactive functional groups, polyisocyanate, and polyol, is provided. The isocyanate-reactive functional groups, typically one or two, are attached to only a single end of the polyorganosiloxane chains. The polymeric material may be used to form coatings on a substrate and to inhibit fouling on surfaces exposed to aqueous conditions.