A process of: providing a polyfunctional compound selected from polyisocyanate, polyacrylate, and polyepoxy; and reacting the polyfunctional compound with a hydroxyl- or amine-terminated silyl-containing compound. The polyfunctional compound and the sylil-containing compound are at least difunctional. A thermoset made by this process.

A one-part moisture-curable polyurethane composition of the present technology comprises: a preliminary composition containing a urethane prepolymer (A); and an adhesion promoter (B); the adhesion promoter being a reaction product of a compound (b1) having three or more isocyanate groups; and a compound (b2) of at least one type of a compound selected from the group consisting of compounds represented by Formula (1) to (4) described below and hydrogenated compounds of compounds represented by Formula (1) to (3) described below; wherein a ratio (NCO/OH) between an isocyanate group (NCO) of the compound (b1) and a hydroxy group (OH) of the compound (b2) is 1.2 to 3.2; and a content of the adhesion promoter (B) being 0.1 to 10 parts by mass per 100 parts by mass of the preliminary composition.

Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also disclosed.

Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also disclosed.

Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also enclosed.

Multi-piece golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The outer core layer is preferably formed from a non-foamed thermoplastic composition such as ethylene acid copolymer ionomer. Preferably, the specific gravity (density) of the foam inner core is less than the density of the outer core layer. The ball further includes a cover of at least one layer and may include at least one casing layer. The core structure and resulting ball have relatively good resiliency.

Multi-piece golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The outer core layer is preferably formed from a non-foamed thermoplastic composition such as ethylene acid copolymer ionomer. Preferably, the specific gravity (density) of the foam inner core is less than the density of the outer core layer. The ball further includes a cover of at least one layer and may include at least one casing layer. The core structure and resulting ball have relatively good resiliency.

A one-part moisture-curable polyurethane composition of the present technology comprises: a preliminary composition containing a urethane prepolymer (A); and an adhesion promoter (B); the adhesion promoter being a reaction product of a compound (b1) having three or more isocyanate groups; and a compound (b2) of at least one type of a compound selected from the group consisting of compounds represented by Formula (1) to (4) described below and hydrogenated compounds of compounds represented by Formula (1) to (3) described below; wherein a ratio (NCO/OH) between an isocyanate group (NCO) of the compound (b1) and a hydroxy group (OH) of the compound (b2) is 1.2 to 3.2; and a content of the adhesion promoter (B) being 0.1 to 10 parts by mass per 100 parts by mass of the preliminary composition.

Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also disclosed.

A shape-memory self-healing polymeric network (SMSHP) is useful as a molded part, a coating, or as a matrix for a composite that can be repaired by heating to a controlled temperature. The SMSHP has thermally reversible repeating units where a thermally reversible adduct is situated between two common linking units formed during a polymerization process between thermally reversible monomers and cross-linking monomers. Optionally, other repeating units can be present from other monomers. Shape-memory results when the SMSHP is warmed to a temperature in excess of its glass transition temperature and self-healing then proceeds when a higher temperature is achieved where thermally reversible adducts dissociates to complementary groups that subsequently reform the adduct without distortion of the memorized shape. The thermally reversible adducts can be Diels-Alder (DA) adducts in a polyurethane, poly urea, or amine epoxy SMSHP network.