A coated optical article includes: an optical substrate; a first coating layer applied directly over at least a portion of an optical substrate, the first coating layer formed from a first coating composition including an aqueous medium and keto and/or aldo functional polymeric materials that are dispersed in the aqueous medium; and a second coating layer applied directly over at least a portion of the first coating layer, the second coating layer including a sol-gel and which is formed from a second coating composition. The first coating composition and second coating composition are each independently substantially free of hydrazine and hydrazide functional components.

The present disclosure relates to selective laser sintering printing and thermally conductive polymers used therein. Also described are processes for forming an article using selective laser sintering techniques.

The present disclosure relates to selective laser sintering printing and thermally conductive polymers used therein. Also described are processes for forming an article using selective laser sintering techniques.

A coating composition for and method of visualizing the appearance of a color on a substrate includes applying a coating composition having that color to the substrate, and drying and/or curing the coating composition to produce a coating in which the coating is peelable from the substrate.

A coating composition for and method of visualizing the appearance of a color on a substrate includes applying a coating composition having that color to the substrate, and drying and/or curing the coating composition to produce a coating in which the coating is peelable from the substrate.

A method of making a PEEK-PEmEK copolymer having R.sub.PEEK and R.sub.PEmEK repeat units in a molar ratio R.sub.PEEK/R.sub.PEmEK ranging from 95/5 to 45/55, the PEEK-PEmEK copolymer obtained from the method and the polymer composition including the PEEK-PEmEK copolymer, at least one reinforcing filler, at least one additive, or a combination thereof, shaped articles including the polymer composition, polymer-metal junctions including the polymer composition. Also described are methods of making the polymer composition, methods of making the shaped articles, and methods of making the polymer-metal junctions.

A method of making a PEEK-PEmEK copolymer having R.sub.PEEK and R.sub.PEmEK repeat units in a molar ratio R.sub.PEEK/R.sub.PEmEK ranging from 95/5 to 45/55, the PEEK-PEmEK copolymer obtained from the method and the polymer composition including the PEEK-PEmEK copolymer, at least one reinforcing filler, at least one additive, or a combination thereof, shaped articles including the polymer composition, polymer-metal junctions including the polymer composition. Also described are methods of making the polymer composition, methods of making the shaped articles, and methods of making the polymer-metal junctions.

The present invention generally relates a polymer-metal junction comprising PEEK-PEmEK copolymers compositions, in contact with a metal substrate, wherein the PEEK-PEmEK copolymer having R.sub.PEEK and R.sub.PEmEK repeat units in a molar ratio R.sub.PEEK/R.sub.PEmEK ranging from 95/5 to 45/55. The present invention also relates to shaped articles including the polymer-metal junction, and methods of making the polymer-metal junctions.

The present invention generally relates a polymer-metal junction comprising PEEK-PEmEK copolymers compositions, in contact with a metal substrate, wherein the PEEK-PEmEK copolymer having R.sub.PEEK and R.sub.PEmEK repeat units in a molar ratio R.sub.PEEK/R.sub.PEmEK ranging from 95/5 to 45/55. The present invention also relates to shaped articles including the polymer-metal junction, and methods of making the polymer-metal junctions.

The invention discloses a method for preparation of acetoacetate ester compounds with amino alcohol catalysts which are themselves diketenized in the course of the diketenization reaction; and subsequent polymerization of these acetoacetate ester compounds with e.g. acrylate compounds to provide resins, whereby the acetoacetylated amino alcohol catalyst partakes in the polymerization reaction.