A monomer represented by Chemical Formula (1):

##STR00001##

wherein, X, Y, and Z are the same as described in the specification, and the polymer including repeat units derived from the monomer.

An elastomer is provided, which is a product of reacting C.sub.4-12 lactam, poly(C.sub.2-4 alkylene glycol), C.sub.4-12 diacid, and multi-ester aliphatic monomer. The C.sub.4-12 lactam and the poly(C.sub.2-4 alkylene glycol) have a weight ratio of 20:80 to 80:20. The total weight of the C.sub.4-12 lactam and the poly(C.sub.2-4 alkylene glycol) and the weight of the C.sub.4-12 diacid have a ratio of 100:0.5 to 100:10. The total weight of the C.sub.4-12 lactam and the poly(C.sub.2-4 alkylene glycol) and the weight of the multi-ester aliphatic monomer have a ratio of 100:0.01 to 100:5.

The invention relates to a method to prepare a precursor for a polymer or to prepare a polymer, the polymer comprising at least one unit of formula (I) or at least one unit of formula (II) having a tertiary amine and a pendant carboxyl group

##STR00001##

Furthermore the invention relates to a precursor or polymer comprising at least one unit of formula (I) and/or at least one unit of formula (II) and to the use of such precursor or such polymer in extrusion, injection moulding, compression moulding, transfer moulding, foam moulding, thermoforming, rotation moulding or 3D printing

The present invention relates to polyester polyols comprising units derived from a) at least one component (A) carrying at least one COOH group or a derivative thereof, wherein component (A) comprises (i) at least one compound carrying two COOH groups or derivatives thereof (A1), and b) at least one component (B) carrying at least one OH group and no COOH group, wherein component (B) comprises (ii) optionally at least one compound or oligomer carrying at least three OH groups and no COOH group (B1), (iii) at least one compound carrying two OH groups (B2) of formula

##STR00001## wherein n and m are independently from each other 0 or 1, and R.sup.1 and R.sup.2 are independently selected from the group consisting of H, CH.sub.3 and CH.sub.2CH.sub.3, and (iv) optionally at least one compound, oligomer or polymer carrying two OH groups and no COOH group, which is different from B2 (B3), and to an organic solvent-based two-component coating composition comprising a) a first component (K1) comprising (i) at least one polyester polyol of the present invention, and (ii) optionally at least one polymer carrying more than one OH group, which is different from the polyester polyol of the present invention, (D), and b) a second component (K2) comprising (i) at least one compound, oligomer or polymer carrying more than one NCO group or blocked NCO group (F), to substrates coated with the coating composition, and to coating layers on a substrate formed from the coating compositions.

The present invention relates to polyester polyols comprising units derived from a) at least one component (A) carrying at least one COOH group or a derivative thereof, wherein component (A) comprises (i) at least one compound carrying two COOH groups or derivatives thereof (A1), and b) at least one component (B) carrying at least one OH group and no COOH group, wherein component (B) comprises (ii) at least one compound or oligomer carrying at least three OH groups and no COOH group (B1), (iii) at least one compound carrying two OH groups (B2) selected from the group consisting of

##STR00001##

B2a and B2c, wherein n and m are independently from each other 0 or 1, and R.sup.1 and R.sup.2 are independently selected from the group consisting of H, CH.sub.3 and CH.sub.2CH.sub.3, and (iv) optionally at least one compound, oligomer or polymer carrying two OH groups and no COOH group, which is different from B2 (B3), wherein the molar ratio of the OH groups of components B1 to the sum of OH groups of components B1, B2 and B3 is in the range of from 25 to 90%, and to an organic solvent-based two-component coating composition comprising a) a first component (K1) comprising (i) at least one polyester polyol of the present invention, and (ii) optionally at least one polymer carrying more than one OH group, which is different from the polyester polyol of the present invention, (D), and b) a second component (K2) comprising (i) at least one compound, oligomer or polymer carrying more than one NCO group or blocked NCO group (F), to substrates coated with the coating compositions, and to coating layers on a substrate formed from the coating compositions.

The present disclosure relates to a composition comprising: a pre-polymer having activated groups and negatively-charged functional groups on a polymeric backbone. The present disclosure also relates to a method for preparing such a composition.

A curable aqueous composition is disclosed comprising a carbohydrate, a crosslinking agent, and an amine base, wherein the curable aqueous composition has a pH adjusted by the amine base. Further disclosed is a method of forming a curable aqueous solution.

A germplasm growth inducing composition comprises a biodegradable polymer or oligomer; and a plant bioactive component. The biodegradable polymer can comprise a citrate polymer in some embodiments, the citrate polymer being formed from one or more monomers of citric acid, one or more monomers of a C2-C14 polyol. A method of inducing germplasm growth comprises applying the germplasm growth inducing composition to a plant germplasm as an integument or applying the germplasm growth inducing composition to soil as a soil amendment.

A compound comprising an oligomer formed from a biocompatible multifunctional carboxylic acid comprising a hydroxyl group and at least one carboxylic acid, an polyol (e.g., an aliphatic diol), and a linker. One or more conductive oligomers (e.g., polyanilines) are covalently bonded to the oligomer. The compounds can have various forms (e.g., articles of manufacture, films, scaffolds, and the like). The compounds have various uses. For example, the compounds are used in photoacoustic imaging methods.

A pH-modulating poly(glycerol sebacate) composition includes poly(glycerol sebacate) and at least one pH-modulating agent associated with the poly(glycerol sebacate). A process of making a pH-modulating poly(glycerol sebacate) composition includes forming a poly(glycerol sebacate) by a water-mediated reaction from glycerol and sebacic acid and associating at least one pH-modulating agent with the poly(glycerol sebacate). A process of modulating a pH of a buffered aqueous solution includes placing a pH-modulating poly(glycerol sebacate) composition in a buffered aqueous solution. The pH-modulating agent is released into the buffered aqueous solution during degradation of the poly(glycerol sebacate) to reduce a decrease in pH of the buffered aqueous solution caused by degradation of the poly(glycerol sebacate).