The flame-retardant urethane resin composition contains a polyisocyanate compound, a polyol compound, a trimerization catalyst, a blowing agent, and an additive, wherein the additives include red phosphorus and a filler, and the filler has an aspect ratio of 5 to 50, an average particle diameter of 0.1 μm or larger, but smaller than 15 μm, and a melting point of 750° C. or higher.

An object of the present invention is to provide a urethane adhesive composition having excellent initial adhesiveness and excellent adhesion durability. The present invention is a urethane adhesive composition containing a urethane prepolymer (A) having an isocyanate group, an isocyanate compound (B) having an isocyanurate structure and an isocyanate group, and an adduct of a compound represented by Formula (X) below (in Formula (X), R.sup.11 and R.sup.12 each independently represent a hydrocarbon group) and a phenol compound. ##STR00001##

A moisture-curing adhesive composition has a) at least one polyurethane polymer having isocyanate groups, b) at least a silane adhesion promoter, c) at least one amine catalyst, and d) at least one chelate complexing agent. Compositions are suitable especially as adhesive or sealant, in particular for glass panes, for example in vehicle construction or vehicle repair, wherein the use of a primer or activator can be dispensed with.

A one component spray polyurethane foam formulation containing a polymeric isocyanate with nominal functionality of 2.5 to 3.5, a polyol component that is at least 85 percent aliphatic and having a mole ratio of polyol with three or more functionality to total polyol of 0.2 to 0.75, 15-30 wt % of a plasticizer, 1.5-3.5 wt % phosphorous, 5.5 to 11.5 halogen and 1.5 to 5 millimoles of blowing agent per gram of formulation and that is free of expandable graphite achieves a B2 rating in DIN 4102 testing.

A flame retardant slabstock polyurethane foam composition includes polyol and polyisocyanate as main ingredients and an ordinary additive, excluding a flame retardant, for forming polyurethane foams. The polyol is bio-polyetherpolyol derived from vegetable oil and comprises 50% to 90% by weight of polyetherpolyol (A) having a weight average molecular weight of 3,000 to 6,000 g/mol and 10% to 50% by weight of polyetherpolyol (B) having a weight average molecular weight of 500 to 1,000 g/mol. An isocyanate index of the polyol defined by the following Equation 1 is 70 to 95

[00001]$\begin{array}{cc}\mathrm{Isocyanate}.Math..Math.\mathrm{Index}=\frac{\mathrm{Number}.Math..Math.\mathrm{of}.Math..Math.\mathrm{moles}.Math..Math.\mathrm{of}.Math..Math.\mathrm{iscocyanate}.Math..Math.\mathrm{groups}.Math..Math.\left(\mathrm{NCO}\right)}{\mathrm{Number}.Math..Math.\mathrm{of}.Math..Math.\mathrm{moles}.Math..Math.\mathrm{of}.Math..Math.\mathrm{hydroxyl}.Math..Math.\left(\mathrm{OH}\right).Math..Math.\mathrm{groups}}\times 100.& \left[\mathrm{Equation}.Math..Math.1\right]\end{array}$

Ageing-resistant and low-emission mattresses and/or cushions comprising at least one section of flexible polyurethane foam, wherein the flexible polyurethane foam has been obtained by reaction of at least one polyol component and at least one isocyanate component in the presence of the compound of the formula (I)

##STR00001##

and at least one blowing agent, are described.

Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant, at least one catalyst, and certain aldehyde-suppressing additives. Foams so produced emit low levels of formaldehyde, acetaldehyde and propionaldehyde.

The present invention provides a process for preparing a polymer material filled composite element, comprising the steps of: i) providing a partially closed space, wherein a polyurethane foam is disposed at least at part of the periphery of the space to restrain the flow of the polymer material resin, and the polyurethane foam is formed by in situ application of a polyurethane composition and has an air flow value of greater than 1 L/min as determined by ASTM D3574 test; ii) applying the polymer material resin into the space and curing the polymer material resin to form a polymer material that fills the space.

Polyurethane/polyisocyanurate foam insulation described herein is derived from a composition that contains an organic polyisocyanate, an isocyanate reactive material containing at least about 20% by weight, based on the total weight of the composition, of an aromatic polyester polyol, a hydrocarbon blowing agent, a first catalyst selected from the group consisting of a carboxylate salt of an alkali metal, a carboxylate salt of an alkaline earth metal, a carboxylate salt of a quaternary ammonium, and combinations thereof, and a second catalyst comprising a non-reactive tertiary amine, wherein a molar ratio of the first catalyst to the second catalyst is less than about 1.25, the composition gels quickly, and the composition has an isocyanate index greater than about 175. Such an insulating foam has a ratio of thermal conductivity at 75° F. to thermal conductivity at 25° F. between about 0.98 and about 1.10.

An object of the present invention is to provide a urethane adhesive composition having excellent initial adhesiveness and excellent adhesion durability. The present invention is a urethane adhesive composition containing a urethane prepolymer (A) having an isocyanate group, an isocyanate compound (B) having an isocyanurate structure and an isocyanate group, and an adduct of a compound represented by Formula (X) below (in Formula (X), R.sup.11 and R.sup.12 each independently represent a hydrocarbon group) and a phenol compound.

##STR00001##