A catalyst composition comprising at least one compound with a general formula I:

##STR00001##

wherein A is N—R.sup.3, R.sup.3 is C.sub.1-C.sub.8 linear or branched, x=0-6, n and m are each independently 1 to 6, R.sup.1 and R.sup.2 are each independently C.sub.2-C.sub.8 alkyl, and R.sup.4 and R.sup.5 are —CH.sub.3 groups; or A=O, x=0-6. n and m are each independently 1 to 6. R.sup.1 and R.sup.2 are each independently C.sub.2-C.sub.8 alkyl, and R.sup.4 and R.sup.5 are —CH.sub.3 groups; or A=O or N—R.sup.3, R.sup.3 is C.sub.1-C.sub.8 linear or branched, and N(R.sup.1-R.sup.4) and N(R.sup.2-R.sup.5) each independently represent a C.sub.3-C.sub.7 ring amine moiety of the type:

##STR00002##

Embodiments relate to a porous polyurethane polishing pad for use in a chemical mechanical planarization (CMP) process of semiconductors and a process for producing the same. In the porous polyurethane polishing pad, it is possible to control the size and distribution of pores, whereby the polishing performance (i.e., polishing rate) of the polishing pad can be adjusted, by way of employing thermally expanded microcapsules as a solid phase foaming agent and an inert gas as a gas phase foaming agent.

A two-part curable urethane composition comprising a main agent (A) and a curing agent (B), wherein the main agent (A) contains a urethane prepolymer (a), an isocyanurate-modified polyisocyanate compound (b), and a silane coupling agent (c) at a specified ratio by mass; and the curing agent (B) contains a polyether polyol (d), a polyether polyol having 4 or more hydroxy groups (e), and an amine catalyst (f) at a specified ratio by mass.

A xylylene diisocyanate, a compound represented by the following chemical formula (1), and a compound represented by the following chemical formula (2) are contained in a xylylene diisocyanate composition. ##STR00001## ##STR00002##

Disclosed is an adhesive formulation that, when stimulated by a defeatable stimulation, reduces an adhesive bonding force of the adhesive formulation and defeats the adhesive formulation. The adhesive formulation having (i) programmable linkages made from Diels-Alder adducts and (ii) a concentration of diene traps. The Diels-Alder adducts may be furan-maleimide, and the diene traps may be (i) latent alkenes and (ii) selected from functional groups that will create irreversible reations with furan. The adhesive formulation may be capable of being applied as a coating, and the adhesive formulation may be capable of being extruded. The adhesive formulation may have a bonding temperature between 75 and 120° C. And the defeatable stimulation could, for example, be a temperature above 130° C. The adhesive formulation also may contain several types of programmable linkages and diene traps.

Hydrofluoroolefin (“HFO”)-containing isocyanate-reactive compositions, foam-forming compositions containing such isocyanate-reactive compositions, rigid foams made using such foam-forming compositions, and methods for producing such foams, including use of such foams as panel insulation. The isocyanate-reactive compositions include a polyol composition, a blowing agent composition, and a catalyst composition. The polyol composition includes 50% to 80% by weight, based on total weight of the polyol composition, of an aromatic polyester polyol having a functionality of 1.5 to 2.5 and an OH number of 150 to 360 mg KOH/g, and an amine-initiated polyether polyol having an OH number of more than 500 mg KOH/g and a functionality of 2.5 to 4. The blowing agent composition includes a hydrofluoroolefin and water. The catalyst composition includes a morpholine, an imidazole, a quaternary ammonium carboxylate, and a metal carboxylate.

A two-component curing adhesive using a curing reaction between a polyisocyanate composition (X) and a polyol composition (Y), wherein the polyisocyanate composition (X) includes a polyisocyanate (A), the polyol composition (Y) includes a polyol (B) and a polyamine (C), the polyamine (C) includes a compound having two or more —NH.sub.2 groups in a molecule thereof, and the polyisocyanate composition. (X) and the polyol composition (Y) each have an elongational viscosity of 0.1 to 10 Pa.Math.s.

The invention relates to a composition comprising and to a process for preparing moisture-crosslinking polymers under catalysis by a metal-siloxane-silanol(ate) compound, and to the use of the composition in the CASE sector (coatings, adhesives, sealants and elastomers), especially in the field of adhesives and sealants.

An artificial stone and a curable composition for manufacturing the artificial stone are provided. The curable composition is capable of manufacturing an artificial stone that has excellent optical properties, is free to show color and the like, has excellent physical properties such as scratch resistance, and also has remarkable light resistance. The curable composition has formability and physical properties that are suitable for being formed into artificial stone.

The invention relates to the use of at least one metal-siloxane-silanol(ate) compound for selective catalysis of the gel reaction in a system for the production of polyurethanes, preferably of unfoamed polyurethanes, flexible foams or rigid foams and/or in the two-component (2K) system according to the invention, and to processes for producing foamed or unfoamed polyurethanes, especially flexible foams or rigid foams, and to use in the CASE sector (coatings, adhesives, sealants and elastomers), furniture, mattresses, car seats, seal materials or acoustic materials, for insulation of district heating pipes, tanks and pipelines, and for production of all kinds of refrigeration units. In a further aspect, the invention relates to unfoamed polyurethanes, flexible foams and/or rigid foams each produced through the inventive use of at least one metal-siloxane-silanol(ate) compound for selective catalysis of the gel reaction.