An object of the present invention is to provide an active energy ray-curable inkjet ink composition that has a low viscosity such that the composition can be ejected as an inkjet ink, and can exhibit sufficient adhesion to a plastic substrate having low surface free energy. The present invention provides an active energy ray-curable inkjet ink composition comprising a polyester resin (A), wherein the polyester resin (A) contains a structural unit (a-1) derived from a polybasic acid and a structural unit (a-2) derived from a polyhydric alcohol, the structural unit (a-2) derived from a polyhydric alcohol contains 20 mol % or more and 100 mol % or less of a structural unit derived from hydrogenated bisphenol A, and the polyester resin (A) has a number average molecular weight (Mn) of 500 to 4,500 and an acid value of 5 to 300.

The present invention relates to a composition comprising methylene malonate monomer and polymer in construction field. Particularly, the invention relates to a two-component composition comprising at least one methylene malonate monomer (A), at least one polymer (B) and at least one acidic stabilizer (C), and component II comprising at least one alkali accelerator, to the preparation thereof, and to the use of the composition as a coating material, particularly as a flooring coat.

The present invention relates to a composition comprising methylene malonate monomer and polymer in construction field. Particularly, the invention relates to a two-component composition comprising at least one methylene malonate monomer (A), at least one polymer (B) and at least one acidic stabilizer (C), and component II comprising at least one alkali accelerator, to the preparation thereof, and to the use of the composition as a coating material, particularly as a flooring coat.

The present invention concerns polyester resins of General Formula I (HO[R.sup.1R.sup.2C(CH.sub.2)].sub.a[OCOC.sub.xH.sub.yCO.sub.2].sub.b[C.sub.pH.sub.zO].sub.cH) or General Formula II (HO[R.sup.1R.sup.2C(CH.sub.2).sub.2].sub.a[OCOC.sub.xH.sub.yCO.sub.2].sub.b[CH.sub.2CR.sup.3(CO.sub.2H)CH.sub.2O].sub.dH), wherein R.sup.1, R.sup.2, a, b, c, d, x, y, p, and z are as defined herein, for use in inks and coating compositions. The polyester resins of the present invention are particularly, but not exclusively, suitable to enhance the adhesion between a printing ink or coating composition and a substrate, especially a plastic substrate, to which it is applied. The polyester adhesion promoters of the invention are compatible with urethane-based inks and coating compositions.

The present invention concerns polyester resins of General Formula I (HO[R.sup.1R.sup.2C(CH.sub.2)].sub.a[OCOC.sub.xH.sub.yCO.sub.2].sub.b[C.sub.pH.sub.zO].sub.cH) or General Formula II (HO[R.sup.1R.sup.2C(CH.sub.2).sub.2].sub.a[OCOC.sub.xH.sub.yCO.sub.2].sub.b[CH.sub.2CR.sup.3(CO.sub.2H)CH.sub.2O].sub.dH), wherein R.sup.1, R.sup.2, a, b, c, d, x, y, p, and z are as defined herein, for use in inks and coating compositions. The polyester resins of the present invention are particularly, but not exclusively, suitable to enhance the adhesion between a printing ink or coating composition and a substrate, especially a plastic substrate, to which it is applied. The polyester adhesion promoters of the invention are compatible with urethane-based inks and coating compositions.

Polyester pressure-sensitive adhesives are described. The polyester includes at least two different diacid residues and at least two different diol residues. The polyester includes at least one pendant group containing an alkenyl group. A ratio of a total number of the at least one pendant group to the total number of ester groups in the polyester is in a range of 0.001 to 0.1. The polyester has a glass transition temperature in a range of 50 C. to 10 C.

Polyester pressure-sensitive adhesives are described. The polyester includes at least two different diacid residues and at least two different diol residues. The polyester includes at least one pendant group containing an alkenyl group. A ratio of a total number of the at least one pendant group to the total number of ester groups in the polyester is in a range of 0.001 to 0.1. The polyester has a glass transition temperature in a range of 50 C. to 10 C.

A polyester including at least one crosslinkable moiety is described. Each crosslinkable moiety includes at least one crosslinkable pendent group. A ratio of a total number of the at least one crosslinkable pendent groups to a total number of ester groups in the polyester may be in a range of 0.0001 to 0.5.

A polyester including at least one crosslinkable moiety is described. Each crosslinkable moiety includes at least one crosslinkable pendent group. A ratio of a total number of the at least one crosslinkable pendent groups to a total number of ester groups in the polyester may be in a range of 0.0001 to 0.5.

Isobutylene copolymer includes repeat units derived from isobutylene and one or more comonomers selected from isoprene, butadiene, cyclopentadiene, dicyclopentadiene, limonene, substituted styrenes, and C4 to C10 dienes other than isoprene, butadiene, limonene, cyclopentadiene, or dicyclopentadiene, wherein the molar ratio of isobutylene derived repeat units to the comonomer derived repeat units is from 75:1 to 1.5:1. The copolymers have a molecular weight, Mn, of from 200 to 20,000 Daltons and typically have a high double bond content and a high vinylidene double bond content when diene monomers are utilized.