Provided is a solventless two-component adhesive having excellent processed appearance and processability while exhibiting excellent adhesive strength even with aging at room temperature (around 25° C.) and in a short period of 12 hours. Provided are a two-component curable adhesive containing a polyisocyanate composition (X) containing a polyisocyanate (A) and a resin composition (Y) containing a polyol (B) as essential components, the two-component curable adhesive satisfying (1) to (3), as well as a laminated film and a packaging body produced using the two-component curable adhesive: (1) a tensile shear adhesive strength (N1) when provided between two bases and after a lapse of 30 minutes after pressure bonding is 0.5 N/cm.sup.2 or more; (2) the tensile shear adhesive strength (N1) when provided between two bases and after a lapse of 30 minutes after pressure bonding is three times or less a tensile shear adhesive strength (N2) after a lapse of 10 minutes after pressure bonding; and (3) a tensile shear adhesive strength (N3) when provided between two bases and after a lapse of 5 hours after pressure bonding is 20 N/cm.sup.2 or more.

Provided is a solventless two-component adhesive having excellent processed appearance and processability while exhibiting excellent adhesive strength even with aging at room temperature (around 25° C.) and in a short period of 12 hours. Provided are a two-component curable adhesive containing a polyisocyanate composition (X) containing a polyisocyanate (A) and a resin composition (Y) containing a polyol (B) as essential components, the two-component curable adhesive satisfying (1) to (3), as well as a laminated film and a packaging body produced using the two-component curable adhesive: (1) a tensile shear adhesive strength (N1) when provided between two bases and after a lapse of 30 minutes after pressure bonding is 0.5 N/cm.sup.2 or more; (2) the tensile shear adhesive strength (N1) when provided between two bases and after a lapse of 30 minutes after pressure bonding is three times or less a tensile shear adhesive strength (N2) after a lapse of 10 minutes after pressure bonding; and (3) a tensile shear adhesive strength (N3) when provided between two bases and after a lapse of 5 hours after pressure bonding is 20 N/cm.sup.2 or more.

Provided herein is a dual cure resin useful for the production of an object by additive manufacturing, comprising or consisting essentially of: (a) a photoinitiator; (b) not more than 5, 10 or 20 ppm of a polyurethane catalyst (e.g., tin, tertiary amine, bismuth, zinc, zirconium, or nickel catalysts); (c) a polyol; (d) free (i.e., unblocked) polyisocyanate; and (e) blocked polyisocyanate, the isocyanate groups of which are blocked by reaction with an amine (meth)acrylate blocking agent. Methods of making an object with the resin are also provided.

A polyol component P) contains at least three different polyether polyols A) to C), and at least one polyether ester polyol D). A process for producing rigid polyurethane foams using the polyol component P) and the rigid polyurethane foams produced therefrom can be utilized.

A stable polyol pre-mix composition comprises a blowing agent, a polyol, a surfactant, and a catalyst composition comprising an oxygen-containing amine catalyst and a metallic salt. The oxygen-containing amine catalyst may be, for example, one or more of an alkanol amine, an ether amine, or a morpholine group-containing compound such as, for example, 2-(2-dimethylaminoethoxy)ethanol or N,N,N′-trimethylaminoethyl-ethanolamine. The metallic salt may be, for example, alkali earth carboxylates, alkali carboxylates, and carboxylates of metals selected form the group consisting of zinc (Zn), cobalt (Co), tin (Sn), cerium (Ce), lanthanum (La), aluminum (Al), vanadium (V), manganese (Mn), copper (Cu), nickel (Ni), iron (Fe), titanium (Ti), zirconium (Zr), chromium (Cr), scandium (Sc), calcium (Ca), magnesium (Mg), strontium (Sr), and barium (Ba)

A process is useful for producing a rigid polyurethane foam, also referred to as rigid PU foam, via mixing of three streams, rigid PU foams that are obtained by that process, and the use thereof as an insulation material.

The present invention relates to a rigid polyurethane foam for a discontinuous production process and a polyurethane composite panel, as well as use of the rigid polyurethane foam in insulation. The rigid polyurethane foam is made from a reaction system comprising an isocyanate component and a polyol component, wherein the polyol component includes at least one long-chain polyether polyol having a functionality of 2 and a number average molecular weight of 1800 to 4000, blowing agents, catalysts, etc. The polyurethane foam of the present invention has unexpectedly satisfactory dimensional stability and adhesion strength, as well as other good physical properties.

Polyisocyanurate (PIR) and/or polyurethane (PUR) comprising insulation foams having significantly improved long term insulation values are disclosed as well as a processing method to fabricate said improved insulation foams and use of the improved insulation foams for thermal insulation.

Described herein are processes for producing cold-flexible polyurethane insulation, in which (a) polyisocyanates are mixed with (b) compounds having groups which are reactive to isocyanates, (c) blowing agents, (d) catalysts, (e) plasticizers and optionally (f) further additives to give a reaction mixture and the mixture is applied to a surface and cured to form insulation. Also described herein is a polyurethane insulation obtainable by a process described herein.

Acoustic dampeners, methods of making acoustic dampener, and uses thereof are described. The acoustic dampener includes a polymer foam article; and a metal-organic framework portion. The metal-organic framework portion comprises a metal-organic framework in a polymer matrix. The metal-organic framework portion is adhered to, or otherwise coupled to or included with, the polymer foam article. Such an acoustic dampener can be used in a computer equipment cabinet.