A hot melt adhesive composition that includes at least 40% by weight of a metallocene-catalyzed polybutene-1 selected from the group consisting of polybutene-1 homopolymer, polybutene-1 copolymer, and combinations thereof, the metallocene-catalyzed polybutene-1 including at least 30% by weight, based on the weight of the hot melt adhesive composition, of a metallocene-catalyzed polybutene-1 having a melt flow rate of at least 1000 grams per 10 minutes at 190° C., tackifying agent, and at least 15% by weight wax, the hot melt adhesive composition having a specific gravity of less than 0.95.

A hot melt adhesive composition that includes at least 40% by weight of a metallocene-catalyzed polybutene-1 selected from the group consisting of polybutene-1 homopolymer, polybutene-1 copolymer, and combinations thereof, the metallocene-catalyzed polybutene-1 including at least 30% by weight, based on the weight of the hot melt adhesive composition, of a metallocene-catalyzed polybutene-1 having a melt flow rate of at least 1000 grams per 10 minutes at 190° C., tackifying agent, and at least 15% by weight wax, the hot melt adhesive composition having a specific gravity of less than 0.95.

A one-part room temperature vulcanisable (RTV) silicone composition containing a catalyst comprising (i) a titanate and/or zirconate and (ii) a metal carboxylate salt which cures to a silicone elastomer which may be used as a clear sealant which avoids discolouration and loss of adhesion upon aging.

A one-part room temperature vulcanisable (RTV) silicone composition containing a catalyst comprising (i) a titanate and/or zirconate and (ii) a metal carboxylate salt which cures to a silicone elastomer which may be used as a clear sealant which avoids discolouration and loss of adhesion upon aging.

Disclosed is a liquid, solvent free, moisture curable polyurethane adhesive composition comprising the reaction products of at least one polyoxypropylene polyol having a hydroxyl functionality of at least three and ethylene oxide end-capping with one or more polyisocyanates having a weight average isocyanate functionality of greater than 2.3. The adhesive composition has a long open time and rapid cure time compared to currently available adhesives. The polyoxypropylene polyol preferably has a number average molecular weight of from 3,000 to 8,000. The composition finds special use in panel lamination applications.

Disclosed is a liquid, solvent free, moisture curable polyurethane adhesive composition comprising the reaction products of at least one polyoxypropylene polyol having a hydroxyl functionality of at least three and ethylene oxide end-capping with one or more polyisocyanates having a weight average isocyanate functionality of greater than 2.3. The adhesive composition has a long open time and rapid cure time compared to currently available adhesives. The polyoxypropylene polyol preferably has a number average molecular weight of from 3,000 to 8,000. The composition finds special use in panel lamination applications.

The inventors have discovered hot melt adhesive compositions that can be formulated to have a high percentage of environmentally conscious components and still provide performance over a broad temperature range.

The invention features a hot melt adhesive composition including from 5% by weight to 50% by weight of a styrene block copolymer, from 15% by weight to 75% by weight of a bio-based tackifying agent, and from 5% by weight to 40% by weight of an aliphatic plasticizer having a cyclo-aliphatic content of no greater than 1% by weight as tested by .sup.1H-NMR Spectroscopy, wherein said hot melt adhesive composition has an environmentally conscious component content of at least 50% by weight.

The inventors have discovered hot melt adhesive compositions that can be formulated to have a high percentage of environmentally conscious components and still provide performance over a broad temperature range.

The invention features a hot melt adhesive composition including from 5% by weight to 50% by weight of a styrene block copolymer, from 15% by weight to 75% by weight of a bio-based tackifying agent, and from 5% by weight to 40% by weight of an aliphatic plasticizer having a cyclo-aliphatic content of no greater than 1% by weight as tested by .sup.1H-NMR Spectroscopy, wherein said hot melt adhesive composition has an environmentally conscious component content of at least 50% by weight.

The present invention relates to an adhesive composition containing a base polymer and a moisture-curable component, wherein the base polymer contains a polymer having no functional group which reacts with the moisture-curable component, and a water content of the base polymer after storage at 25° C. and 50% RH for 24 hours is 0.1% by weight or less, and wherein the moisture-curable component is contained in an unreacted state, an adhesive layer made from the adhesive composition, and an adhesive sheet including the adhesive layer.

The present invention relates to an adhesive composition containing a base polymer and a moisture-curable component, wherein the base polymer contains a polymer having no functional group which reacts with the moisture-curable component, and a water content of the base polymer after storage at 25° C. and 50% RH for 24 hours is 0.1% by weight or less, and wherein the moisture-curable component is contained in an unreacted state, an adhesive layer made from the adhesive composition, and an adhesive sheet including the adhesive layer.