An object of the present invention is to provide a golf ball travelling a great flight distance on driver shots on a rainy day and having excellent spin performance on approach shots. The present invention provides a golf ball comprising a golf ball body and a paint film covering the golf ball body and composed of at least one layer, wherein an outermost layer of the paint film is formed from a paint containing a polyol, a polyisocyanate, and a carbinol modified silicone oil different from the polyol compound.

Provided are a nanocomposite body, a method of manufacturing the nanocomposite body, and a nanocomposite film including the nanocomposite body. The nanocomposite body includes: inorganic particles; a polymer matrix; and grafting polymer chains each of which includes a polyol structure, wherein the inorganic particles and the polymer matrix are linked by the grafting polymer chains.

Provided are a nanocomposite body, a method of manufacturing the nanocomposite body, and a nanocomposite film including the nanocomposite body. The nanocomposite body includes: inorganic particles; a polymer matrix; and grafting polymer chains each of which includes a polyol structure, wherein the inorganic particles and the polymer matrix are linked by the grafting polymer chains.

The present invention provides a process for the synthesis of silylated polyurethanes, comprising three sequential steps, a step (i) of preparing NCO-terminated polyurethane, a step (ii) of partial grafting of the NCO functions with silane functions and a step (iii) of total grafting of the residual NCO functions with functions that react with the NCO functions by means of polyfunctional compounds. The present invention also provides a silylated polyurethane composition that can be obtained by means of the process according to the invention, an adhesive composition comprising said silylated polyurethane composition and a self-adhesive item obtained from the adhesive composition according to the invention.

A polyurethane resin includes a reaction product of a raw material component containing a polyisocyanate, a macropolyol, a hydrophilic group-containing polyol, and a chain extender. The polyisocyanate is an alicyclic polyisocyanate. The macropolyol contains a plant-derived macropolyol. A biomass degree of the reaction product is 30% or more.

A polyurethane resin includes a reaction product of a raw material component containing a polyisocyanate, a macropolyol, a hydrophilic group-containing polyol, and a chain extender. The polyisocyanate is an alicyclic polyisocyanate. The macropolyol contains a plant-derived macropolyol. A biomass degree of the reaction product is 30% or more.

A compound is provided, having the formula (I), wherein R.sub.S is a soft block polymer; wherein each T is independently a urethane or urea linkage; see formulae (A) and (B); wherein each R.sub.D is independently —CH.sub.3, —CH.sub.2CH.sub.3, —CH.sub.2CH.sub.2CH.sub.3, or —CH.sub.2CH.sub.2CH.sub.2CH.sub.3; wherein each R′.sub.D is independently —CH.sub.3, —CH.sub.2CH.sub.3, —CH.sub.2CH.sub.2CH.sub.3, —CH.sub.2CH.sub.2CH.sub.2CH.sub.3, or —OR.sub.D; and wherein each p is independently 1, 2, or 3. Compositions containing the compound, and methods of making and using the compound are provided. ##STR00001##

A method is provided for bonding substrates having dissimilar coefficients of thermal expansion, using a thermoset adhesive. The method involves a pre-cure step using radio-frequency energy, followed by a heat-curing step.

Silane-terminated polymers of the formula (I)
Y—[Z—C(═O)—NR.sup.3—(CR.sup.1.sub.2).sub.b—SiR.sub.a(OR.sup.2).sub.3-a].sub.x  (I),
are produced by reacting at least one hydroxy-functional polymer (a), comprising at least one polyether, polyester and/or polyacrylate unit, with at least one compound having at least one isocyanate group, in the presence of at least one bismuth-containing catalyst (K), with the proviso that the reaction mixture comprises 50 to 250 ppm water at the start of the reaction.

An aqueous polymeric particle dispersion, the particle comprises a polymer and a Si—O-containing moiety, the Si—O-containing moiety is part of a compound, the compound forming a solid mixture with the polymer. The resin particles can be incorporated in aqueous printing liquids such as aqueous inkjet inks.