The present disclosure relates to a process of manufacturing a moisture-curable adhesive composition, wherein the process comprises the steps of: a) providing a multi-screw extruder comprising a reaction chamber; b) providing reactants and reagents comprising: i. at least one isocyanate; ii. at least one amine; and iii. optionally, at least one plasticizer; c) incorporating the reactants and reagents into the reaction chamber of the multi-screw extruder, thereby forming a reaction product comprising a urea derivative; and d) incorporating at least one moisture-curable prepolymer into the reaction product resulting from step c), thereby forming a moisture-curable adhesive composition. In another aspect, the present disclosure is directed to a moisture-curable adhesive composition obtainable by the process as described above.

The invention relates to a fluorinated, alkoxysilyl-functional polymer, obtainable by a method comprising the steps of: a) reacting an OH-functional (per)fluoropolyether (PFPE) with a polyisocyanate A under urethane formation reaction conditions, to obtain an isocyanate-functional intermediate B, b) reacting intermediate B with a secondary, alkoxysilyl-functional monoamine C, to obtain the alkoxysilyl-functional polymer. The polymer can be used as an additive in preparation of a coating with easy-clean, anti-stain and anti-scratch properties, which can advantageously be used for coating various substrates in consumer electronics or automotive applications such as glass, metal, metal alloy, anodized substrates, plastics, composite etc.

The present application relates to aziridine functional compounds with reduced genotoxicity and good crosslinking efficiency, for use in the preparation of, for example, coatings.

##STR00001##

The invention relates to an alkoxysilane functional polyurethane-urea that can be used to prepare an adhesive or coating composition. The polyurethane-urea is obtainable by polymerization of reaction components comprising: (a) an alkoxysilane functional thioether diol; (b) a polyisocyanate; and (c) an alkoxysilane functional aspartate ester, wherein the alkoxysilane functional aspartate ester (c) is a Michael addition product of an amino-functional silane and an unsaturated diester. The polyurethane-urea has a low viscosity and can be used in solvent- and water-free adhesives or coatings. The adhesive or coating can be applied to various substrates such as wood, wood-containing composite, metal, plastics, paper, stone, glass or concrete.

A chemical mechanical polishing pad for polishing a semiconductor substrate is provided containing a polishing layer that comprises a polyurethane reaction product of a reaction mixture comprising (i) one or more diisocyanate, polyisocyanate or polyisocyanate prepolymer, (ii) from 40 to 85 wt. % based on the total weight of (i) and (ii) of one or more blocked diisocyanate, polyisocyanate or polyisocyanate prepolymer which contains a blocking agent and has a deblocking temperature of from 80 to 160° C., and (iii) one or more aromatic diamine curative. The reaction mixture has a gel time at 80° C. and a pressure of 101 kPa of from 2 to 15 minutes; the polyurethane reaction product has a residual blocking agent content of 2 wt. % or less; and the polishing layer exhibits a density of from 0.6 to 1.2 g/cm.sup.3.

A chemical mechanical polishing pad for polishing a semiconductor substrate is provided containing a polishing layer that comprises a polyurethane reaction product of a reaction mixture comprising (i) one or more diisocyanate, polyisocyanate or polyisocyanate prepolymer, (ii) from 40 to 85 wt. % based on the total weight of (i) and (ii) of one or more blocked diisocyanate, polyisocyanate or polyisocyanate prepolymer which contains a blocking agent and has a deblocking temperature of from 80 to 160° C., and (iii) one or more aromatic diamine curative. The reaction mixture has a gel time at 80° C. and a pressure of 101 kPa of from 2 to 15 minutes; the polyurethane reaction product has a residual blocking agent content of 2 wt. % or less; and the polishing layer exhibits a density of from 0.6 to 1.2 g/cm.sup.3.

The present invention relates to a multi-aziridine crosslinker composition, characterized in that the multi-aziridine crosslinker composition is an aqueous dispersion having a pH ranging from 8 to 14 and comprises a multi-aziridine compound in dispersed form, wherein said multi-aziridine compound has: a. from 2 to 6 of the following structural units A: whereby R.sub.1 is H, R.sub.2 and R.sub.4 are independently chosen from H or an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms, R a is an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms, m is 1, b. one or more linking chains wherein each one of these linking chains links two of the structural units A; and c. a molecular weight in the range from 500 to 10000 Daltons wherein the molecular weight is determined using MALDI-TOF mass spectrometry according to the description.

##STR00001##

The present invention relates to a polyol component (A) comprising at least one polyacrylate polyol (A1), crosslinkable composition comprising the polyol component (A), and its use in coatings. More particularly, the polyol component (A) comprises at least one polyacrylate polyol (A1) obtained from monomers of hydroxyalkyl(meth)acrylate monomers (a1) and (substituted) cycloaliphatic (meth)acrylate monomers (a4), the polyacrylate polyol (A1) having a Mn of between 500 and 2,000 Dalton and a Mw of between 800 and 4,000 Dalton. The crosslinkable composition comprises the polyol component (A) and a crosslinker (C) comprising functional groups reactable with polyacrylate polyol (A1). The crosslinkable composition is especially suitable for clear coat and top coat applications.

The present invention relates to a selective process for producing polyurethane prepolymers, to the polyurethane prepolymers obtainable from this process, and also to a process for producing moisture-crosslinking silylated polymers, more particularly silane-functional hybrid polymers, and also to the use thereof in CASE sectors (coatings, adhesives, sealants and elastomers).

The present invention relates to a selective process for producing polyurethane prepolymers, to the polyurethane prepolymers obtainable from this process, and also to a process for producing moisture-crosslinking silylated polymers, more particularly silane-functional hybrid polymers, and also to the use thereof in CASE sectors (coatings, adhesives, sealants and elastomers).