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 are a composition for forming a polyurethane resin used for a membrane sealing material, the composition having low viscosity and contributing to the formation of a membrane sealing material having reduced elution of low-molecular weight reaction products; and a membrane sealing material and a membrane module using this composition. Disclosed is a composition for forming a polyurethane resin used for a membrane sealing material, the composition including a base agent (A) and a curing agent (B), wherein the base agent (A) comprises an isocyanate group-terminated prepolymer (A1), the isocyanate group-terminated prepolymer (A1) is a reaction product between an isocyanate group-containing compound (a1) and an active hydrogen-containing compound (a2), the base agent (A) comprises diphenylmethane diisocyanate, the monomer content of the diphenylmethane diisocyanate is 35% by mass or less, and the curing agent (B) comprises a compound (b1) represented by Formula (1). In Formula (1), R represents an alkyl group having 2 or more carbon atoms. ##STR00001##

A moisture barrier coating includes the reaction product of (A) at least one polyol and (B) at least one polyisocyanate. The moisture barrier coating further includes at least one amorphous thermoplastic material that forms a homogeneous mixture with the polyol, and is nonreactive with the polyol and with the polyisocyanate. A controlled release fertilizer, a method for the production of a controlled release fertilizer, and a moisture barrier coating composition are also disclosed.

A hotmelt adhesive composition comprising 15 to 45% by weight of at least one tackifying resin, and 20 to 60% by weight of a mixture of at least one single-site catalyzed propylene homopolymer (A) and at least one propylene copolymer (B), wherein the propylene homopolymer (A) has a weight average molecular weight of 20,000 to 145,000, the propylene copolymer (B) has an ethylene comonomer content of 5 to 25% by weight, and the weight ratio of propylene homopolymer (A) to propylene copolymer (B) is from 1:3 to 3:1, wherein the hotmelt adhesive further comprises at least one of the following two components (a) and (b): (a) a particulate phosphorous based compound in an amount of 15 to 40% by weight, or (b) a room temperature liquid phosphorous based compound in an amount of 4 to 15% by weight.

A composition including a first component containing at least one polyol and at least one compound having at least one reactive group of the formula (I), and a second component containing at least one aromatic polyisocyanate and/or at least one polymer containing aromatic isocyanate groups. The composition has a long open time and, even in the case of small amounts of compound having at least one reactive group of the formula (I), enables elastic coatings having improved mechanical properties without causing problems with odor immissions or migration effects. It is thus particularly suitable as a coating for floors or roof areas.

A slitting machine (500) includes a laminated film unwinding apparatus (540), a release liner recovery apparatus (550), a cutting apparatus (530), and a plurality of polymer substrate strip rewinding apparatuses (510, 520). The laminated film unwinding apparatus (540) is operable to unwind a roll of laminated film (542) comprising at least a polymer substrate (100) and a release liner (150). The release liner recovery apparatus (550) is operable to wind the release liner (150) that is released from the polymer substrate (100). The cutting apparatus (530) is operable to cut at least the polymer substrate (100) along a machine direction to divide the polymer substrate into strips. The plurality of polymer substrate strip rewinding apparatuses (510, 520) are operable to wind one or more strips of the polymer substrate (100) onto one or more rolls (512, 522). The slitting machine (500) is operable to carry out a method for forming rolls (512, 522) of coated films (100).

A wood composite article includes a plurality of wood pieces and an adhesive system disposed on or dispersed among the plurality of wood pieces for bonding the plurality of wood pieces. The adhesive system includes a binder component and a fiber component. The binder component comprises a thermosetting plastic component such as unsaturated polyesters, epoxy, polyurea, polyurethane or combinations thereof, including for example, an isocyanate compound and an isocyanate-reactive component. The composite article may be formed into various objects such as railroad ties, fencing and the like.

Disclosed are polyurethane encapsulating compounds for embedding hollow fibers of filter elements, obtainable by mixing a polyol component (A) and an isocyanate component (B), including at least one aromatic isocyanate, to give a reaction mixture and reacting the mixture to completion to give the polyurethane encapsulating compound. The polyol component (A) includes at least one fatty-acid-based polyol (a1) having a hydroxyl number of greater than 50 to less than 500 mg KOH/g and a functionality of from 2-6, and at least one bismuth catalyst (a2), obtainable by mixing a bismuth carboxylate (a2-1) with an amine compound (a2-11) having at least one tertiary nitrogen atom and at least one isocyanate-reactive hydrogen atom. The molar ratio of bismuth to amine compound (a2-11) is 1:0.5-1:50. Also disclosed are methods for producing filter elements using the polyurethane encapsulating compounds and to uses of the polyurethane encapsulating compounds for the embedding of hollow fibers.

A two-component solventless adhesive composition is disclosed, the composition comprising an isocyanate component comprising an isocyanate prepolymer that is the reaction product of reactants comprising at least one polyisocyanate, at least one polyester polyol, at least one polyether polyol, and at least one polyol comprising a hydroxyl and COOH acid functionality. The adhesive composition further comprises a polyol component comprising at least one polyester polyol, at least one polyether polyol, or a combination thereof. A method for forming a laminate using the adhesive composition and a laminate itself are also disclosed. The method comprises forming a solventless adhesive composition, applying a layer of the adhesive composition to a surface of a film, bringing the layer into contact with a surface of another film to form a laminate, and curing the adhesive composition. A laminate made according to the method is further disclosed.