Compositions obtained by mixing at least one oligomer A1 which is obtained by the copolymerization of at least two monomers functionalized by diol functions with at least one second monomer, and at least one compound A2 comprising at least two boronic ester functions. They have rheological properties which vary significantly depending on the proportion of the compounds A1 and A2 used. Composition obtained by mixing at least one lubricating oil with such a composition of associative and exchangeable polymers, and use of this composition to lubricate a mechanical part.

Described herein is a (meth)acrylic copolymer including a polymeric backbone and at least two kinds of side chains (S1) and (S2) attached to the polymeric backbone, which are different from each other, namely one or more side chains (S1) including at least one tin-containing moiety and one or more side chains (S2) bearing at least one ester group of formula —O—C(═O)—R.sup.1, where R.sup.1 is a linear or branched, saturated or unsaturated, acyclic aliphatic residue having at least 18 carbon atoms, a method of preparing the copolymer, a method of using the copolymer as catalyst in crosslinking reactions in coating compositions and/or for lengthening the pot life of coating compositions and/or for lowering the curing temperatures of coating compositions, a coating composition including the copolymer and a method of coating a substrate including applying the coating composition to a substrate.

Described herein is a (meth)acrylic copolymer including a polymeric backbone and at least two kinds of side chains (S1) and (S2) attached to the polymeric backbone, which are different from each other, namely one or more side chains (S1) including at least one tin-containing moiety and one or more side chains (S2) bearing at least one ester group of formula —O—C(═O)—R.sup.1, where R.sup.1 is a linear or branched, saturated or unsaturated, acyclic aliphatic residue having at least 18 carbon atoms, a method of preparing the copolymer, a method of using the copolymer as catalyst in crosslinking reactions in coating compositions and/or for lengthening the pot life of coating compositions and/or for lowering the curing temperatures of coating compositions, a coating composition including the copolymer and a method of coating a substrate including applying the coating composition to a substrate.

A tackifier composition comprising at least one thermoplastic hydrocarbon resin and an antioxidant composition is provided; wherein a portion of the volatile organic compounds in the thermoplastic hydrocarbon resin has been removed; wherein the antioxidant composition comprises at least one primary antioxidant and at least one secondary antioxidant; and wherein the levels of individual volatile organic compound monitored in the tackifier composition are less than about 0.5 ppm as measured by GC/MS headspace analysis. Processes for producing the tackifier composition are also provided as well as adhesives comprising the tackifier compositions.

A tackifier composition comprising at least one thermoplastic hydrocarbon resin and an antioxidant composition is provided; wherein a portion of the volatile organic compounds in the thermoplastic hydrocarbon resin has been removed; wherein the antioxidant composition comprises at least one primary antioxidant and at least one secondary antioxidant; and wherein the levels of individual volatile organic compound monitored in the tackifier composition are less than about 0.5 ppm as measured by GC/MS headspace analysis. Processes for producing the tackifier composition are also provided as well as adhesives comprising the tackifier compositions.

A tackifier composition comprising at least one thermoplastic hydrocarbon resin and an antioxidant composition is provided; wherein a portion of the volatile organic compounds in the thermoplastic hydrocarbon resin has been removed; wherein the antioxidant composition comprises at least one primary antioxidant and at least one secondary antioxidant; and wherein the levels of individual volatile organic compound monitored in the tackifier composition are less than about 0.5 ppm as measured by GC/MS headspace analysis. Processes for producing the tackifier composition are also provided as well as adhesives comprising the tackifier compositions.

A tackifier composition comprising at least one thermoplastic hydrocarbon resin and an antioxidant composition is provided; wherein a portion of the volatile organic compounds in the thermoplastic hydrocarbon resin has been removed; wherein the antioxidant composition comprises at least one primary antioxidant and at least one secondary antioxidant; and wherein the levels of individual volatile organic compound monitored in the tackifier composition are less than about 0.5 ppm as measured by GC/MS headspace analysis. Processes for producing the tackifier composition are also provided as well as adhesives comprising the tackifier compositions.

Compositions resulting from the mixing of at least one oligomer A1, resulting from the copolymerization of at least one monomer functionalized by diol functions with at least a second monomer, and at least one compound A2 including at least two boronic ester functions. The compositions exhibit very varied rheological properties, depending on the proportion of the compounds A1 and A2 used. A composition also results from mixing at least one lubricating oil with such a composition of associative and exchangeable polymers, and to the use of this composition to lubricate a mechanical part.

Compositions resulting from the mixing of at least one oligomer A1, resulting from the copolymerization of at least one monomer functionalized by diol functions with at least a second monomer, and at least one compound A2 including at least two boronic ester functions. The compositions exhibit very varied rheological properties, depending on the proportion of the compounds A1 and A2 used. A composition also results from mixing at least one lubricating oil with such a composition of associative and exchangeable polymers, and to the use of this composition to lubricate a mechanical part.

Compositions are obtained by mixing at least one oligomer A1, which is obtained by copolymerizing at least two monomers functionalized by diol functions with at least one second monomer, with at least one compound A2 having at least two boron ester functions. The compositions exhibit very varied rheological properties depending on the proportion of the compounds A1 and A2 used. A composition is also obtained by mixing at least one lubricating oil with such a composition of associative and exchangeable polymers, and the use of this composition to lubricate a mechanical part.