A curable coating composition includes: (a) a polymer including at least two active methylene functional groups; (b) a polyisocyanate crosslinker; and (c) a transition metal catalyst. Substrates at least partially coated with these coating compositions are further disclosed. Methods for preparing the coating are further disclosed. Multi-layer coatings including these coating compositions are further disclosed.

An object of the present invention is to provide a paint which is excellent in various performances such as resistance to various organic solvents and hydraulic fluid, corrosion resistance, weather resistance, heat resistance, adhesion to substrates, and coating film appearance, and which in particular, can be suitably used for aircraft applications. Specifically, the invention provides a paint which contains, as an essential component of a main agent, a polyester resin (A) having a hydroxyl value in a range of 150 to 400 mg KOH/g and a weight average molecular weight (Mw) in a range of 500 to 5,000, and a polyisocyanate compound (B) as an essential component of a curing agent; an aircraft paint using the paint; and an aircraft using the aircraft paint.

To provide a golf ball that can prevent a decrease in carry distance of a driver shot when it rains and also, can exert excellent spinning performance upon an approach shot. The golf ball of the present invention includes a core, a cover that is provided on an outer side of the core and is provided with dimples, and an outermost layer that is formed on an outer side of the cover and made of a material having a contact angle of 90° or more. The golf ball has a dynamic friction coefficient of 0.52 or more. The material constituting the outermost layer comprises a urethane coating that contains a water repellent additive, and the water repellent additive includes a fluorinated surfactant, silicone-modified acrylate or hydrophobic silica. The urethane coating comprises a polyisocyanate as a curing agent, and the polyisocyanate includes both an adduct form and an isocyanurate form of hexamethylene diisocyanate, and a mixing ratio (isocyanurate form/adduct form) of the isocyanurate and adduct forms of the hexamethylene diisocyanate, expressed as a mass ratio, is from 95/5 to 40/60.

Provided is a waterborne polyurethane obtained by polymerizing an alicyclic polyester polyol, a diisocyanate, and a hydrophilic chain extender. The alicyclic polyester polyol includes an alicyclic polyester polyol having a four-membered ring and/or an alicyclic polyester polyol having a six-membered ring. Based on a usage amount of 1 part by weight of the alicyclic polyester polyol having a four-membered ring and/or a six-membered ring, a usage amount of the diisocyanate is between 0.3 parts by weight and 12 parts by weight, and a usage amount of the hydrophilic chain extender is between 0.05 parts by weight and 1.5 parts by weight.

The invention relates to a self-emulsifying polymer US comprises Michael donor groups, wherein the Michael donor groups are acidic C—H groups from activated methylene and/or methine groups, to an aqueous polymer dispersion containing a mixture thereof with compounds having Michael acceptor groups which are activated olefinically unsaturated groups, activated by an electron-withdrawing group, and a catalyst to promote the Michael reaction, to a paint binder prepared from the mixture and the catalyst, and to coating compositions comprising the paint binder and appropriate additives.

Disclosed are adhesive compositions comprising a polyester polyol that includes residues of 1,4-cyclohexanedimethanol. Adhesive compositions as described herein exhibit enhanced properties over conventional adhesive compositions, and may be suitable for a wide variety of applications, including, flexible packaging, woodworking, automotive, and electronics.

Adhesive compositions comprise a polyester polyol that includes residues of at least one 2,2,4,4-tetraalkylcyclobutan e-1,3-diol, including, for example, 2,2,4,4-tetramethylcyclobutane-1,3-diol (TMCD). Adhesive compositions as described herein exhibit enhanced properties as compared to conventional adhesive compositions, and may be suitable for a wide variety of end use applications, including, flexible packaging, woodworking, automotive uses, and electronics.

A golf ball paint composition includes primarily a urethane paint containing polyol as a base resin and polyisocyanate as a curing agent. The polyisocyanate includes two types of isocyanurate and adduct of hexamethylene diisocyanate and the golf ball paint composition has an elastic work recovery of at least 70%. The paint composition has a high self-repairing ability and is of high quality as a golf ball paint. Golf balls coated with this composition are able to maintain a good durability, in addition to which they have an excellent abrasion resistance and an excellent ball appearance.

A golf ball wherein a slide amount Ds is 1.05 mm or less and a post-slide contact time Tc is 600 μs or more in the case where a golf ball 140 is dropped freely from a height position of 3 m above and away from a collision surface 130a inclined 58 degrees with respect to a horizontal direction to collide with the collision surface, the slide amount Ds being a vertical displacement of the golf ball from when the golf ball starts sliding on the collision surface to when the golf ball stops sliding on the collision surface, and the post-slide contact time Tc being a period from when the golf ball stops sliding on the collision surface to when the golf ball leaves the collision surface.

The present invention relates to a polyisocyanate composition comprising a formation component having isocyanate groups, the isocyanate groups having been reacted to an extent of ≥98% with at least one CH-acidic compound, characterized in that the formation component consists to an extent of ≥51% by weight of at least one polyisocyanate based on pentamethylene 1,5-diisocyanate having a content of isocyanurate trimer of ≤60 area %, based on the total weight of the polyisocyanates based on pentamethylene 1,5-diisocyanate, and the remaining proportion up to 100% by weight of the total amount of polyisocyanates present in the formation component consists of at least one aliphatic or cycloaliphatic polyisocyanate. The present invention further provides a one-component system comprising the polyisocyanate composition, a process for producing a coating on a substrate, and the coatings obtainable from the one-component system.