Abstract: Reactive hot melt polyurethane adhesives are useful in the graphic arts area, and in particular, for bookbinding applications such as casemaking, casing-in, gluing-off or thread-securing, facing, slip cases, lining-up, tightbacking, and bonding sides and joints; and for puzzle and gameboard lamination.

Abstract: A powder coating composition for heat-sensitive substrates curable at a temperature of about 300° F. or below for about 30 minutes or less comprises a) from about 10-90% by weight, relative to a) plus b), of carboxylic acid functional acrylic resin(s); b) from about 10-90% by weight, relative to a) plus b), of polyepoxy resin(s); c) a first catalyst functioning as an epoxy homopolymerization catalyst; and d) a second catalyst functioning as an epoxy/carboxylic acid reaction catalyst.

Abstract: The invention relates to a foamable composition comprising at least two parts. The first part comprises a polyol, a thixotropic gelling agent, a blowing agent, a urethane reaction catalyst and a isocyanurate reaction catalyst. The second part comprises at least one isocyanate. A foam mass can be prepared by combining the first part polyol component with the second part isocyanate component. The composition is foamable under water and exhibits, upon foaming under water, substantially the same wet foam density and dry foam density. The invention also relates to a method of repairing or reinforcing structural members having defects such as spike holes left after spike removal from railroad ties during road bed maintenance or repair by means of the foamable composition.

Abstract: The invention is directed to a method of tempering fiberboard that includes applying a substantially solvent-free, liquid tempering composition on at least one surface of the fiberboard and curing the tempering composition. The tempering composition includes at least one thermoset material such as one-part moisture cure polyurethane. The tempered fiberboard can be used directly as doorskin.

Abstract: This invention relates to water responsive thermoplastic compositions and articles constructed thereof. This invention particularly relates to thermoplastic copolyester compositions useful for the manufacture of disposable-articles such as disposable diapers and feminine napkins. More particularly, this invention relates to thermoplastic copolyester compositions that are useful as a raw material in the manufacture of nonwovens, barrier films or coatings and as well as for various improved hot melt adhesives compositions useful for incorporating hydrophilic features into disposable articles.

Abstract: The present invention relates to film laminating adhesive (FLA) compositions comprising an N-methylol-based polyacrylic dispersion and polyalkyleneimine (PAI) and laminates thereof, a method for bonding substrates together using these compositions and a method for preparing these compositions.

Abstract: The present inventors have discovered that an easily measured property, namely complex viscosity, directly relates to physical film compatibility and have further identified a class of polyolefin materials, which are particularly amenable to exhibiting such properties. It is important to note that this discovery assumes that the film material is first chemically compatible with the thermoplastic composition to be packaged. The invention is particularly useful for low viscosity thermoplastic compositions having a Brookfield viscosity of less than about 10,000 cPs at 350° F., such as pressure sensitive hot melt adhesive compositions which are typically applied by melting the packaged adhesive composition in a melt tank wherein the melt tank lacks an active mixing means.

Abstract: This invention relates to a removable grade hot melt pressure sensitive adhesive comprising from about 5% to about 30% by weight of the adhesive of a block copolymer having styrene endblocks and ethylene/butylene or ethylene/propylene midblocks and having a coupling efficiency of less than about 65% and a melt index of greater than about 20 grams/10 minutes; from about 10% to about 50% by weight of the adhesive of at least one block copolymer having styrene endblocks and a coupling efficiency from about 65% to about 100%; from about 20% to about 60% by weight of the adhesive of a tackifying resin and from about 10% to about 40% by weight of the adhesive of a liquid plasticizing oil.

Abstract: The present invention is directed to compositions that are useful for forming breathable film layers and articles constructed therefrom. The composition comprises at least one thermoplastic polymer compounded with at least one diluent or a radiation curable composition. The composition is impermeable to fluids and exhibits a water vapor transmission rate of at least 100 g/m2/day.

Abstract: The invention relates to a water-based flame-retardant composition comprising at least one polyvinylpyrrolidone polymer, at least one silane coupling agent and at least one inorganic compound. The flame-retardant composition has low organic content and low toxicity. The flame-retardant composition may further comprise at least one polymeric emulsion and can be used as a coating or an adhesive. The invention also provides a flame-retardant article comprising a substrate and the flame-retardant composition disposed on a surface of the substrate.

Abstract: A hot melt curing urethane adhesives with heat stability, green bond strength and fully cured bond strength that are surprisingly compatible in production and use. The reactive hot melt adhesive composition includes a composition including an isocyanate compound; a polyester-polyol compound; a reactive tackifying resin including non-polar polyols; and a thermoplastic polymer. The components of the adhesive composition cooperate in at least some embodiments to form a hot melt compatible adhesive composition that has substantial initial green strength, substantial cured bond strength, chemical and heat resistance when cured, extended pot life, long open times, high heat resistance, (i.e., high PAFT), and good adhesion to plastics.

Abstract: A hot melt adhesive composition can be made using a polyester derived from 2-hydroxy-propanoic acid (lactic acid). A biodegradable/compostable thermoplastic resin can be formulated into a hot melt adhesive using a lower molecular weight material as a tackifying resin. The adhesive material can be made pressure sensitive and can be made entirely biodegradable by combining the polyester polymer with other biodegradable/compostable ingredients. The biodegradable/compostable adhesive material can be used as a substitute for non-biodegradable materials made from commercial polymers that resist attack by bacteria, fungi and other microbial populations. The resulting adhesive composition can be used in a variety of applications such as packaging and for the manufacture of disposable articles which are made from degradable materials. The entire disposable article can be made from adhesives and structural materials that are fully biodegradable/compostable.

Abstract: This invention relates to a one-part thermoplastic moisture cure polyurethane composition, comprising a) at least one polyurethane prepolymer component; and b) at least one thermoplastic component. This composition is especially useful in the window area as a sealant.

Abstract: The present invention generally relates to a water-based tail tie adhesive for a rolled substrate material and a method of use thereof in the manufacture of rolled substrate material to secure the loose tail end of the roll to the body of the roll. More specifically, the invention is directed to a fugitive tissue and towel tail tie adhesive comprising at least one water soluble cellulose derivative and effective amount of magnesium sulfate, and optionally at least one water soluble polyol and at least one functionalized polyol such as polyester polyol, polyether polyol, polyesterether polyol, polyhydroxy compound and combinations thereof. Another aspect of the invention relates to a rolled substrate material comprising a web of substrate material rolled onto a cylindrical core, the tail end of said rolled substrate being secured to the roll by a film of the adhesive composition. The treated rolled substrate material exhibits improved releasability, leaves no stain and reduced bond strength.

Abstract: The present invention relates to radiation curable compositions comprising at least one metallocene polyolefin. The radiation curable compositions are useful for a variety of applications, particularly as coatings and adhesives. The radiation curable composition may comprise a single metallocene polyolefin, or blend thereof. The ultraviolet curable compositions further comprise at least one photoinitiator and/or at least one photoinduced coupling agent. For pressure sensitive adhesive applications, the radiation curable composition also preferably comprises other ingredients such as a tackifying resins and plasticizers.

Abstract: Disclosed are packages, cartons, cases, and trays comprising a hot melt adhesive, in turn comprising at least one first homogenous linear or substantially linear ethylene polymer having a particular density and melt viscosity at 350° F. (177° C.), up to 60 weight percent wax and up to 40 weight percent tackifier. In particular, disclosed are packages, cartons, cases, and trays comprising a hot melt adhesive characterized by: a) at least one homogeneous linear or substantially linear interpolymer of ethylene with at least one C3-C20 &agr;-olefin interpolymer having a density from 0.850 g/cm3 to 0.895 g/cm3; and b) up to 60 weight percent of at least one tackifying resin; and c) up to 40 weight percent of at least one wax, wherein the hot melt adhesive has a viscosity of less than about 5000 cPs (50 grams/(cm.second)) at 150° C.

Abstract: A moisture curable composition that includes a polyurethane prepolymer comprising the reaction product of a) a polyol having an unsaturation of less than 0.02 meq/g; and b) a polyfunctional isocyanate, where the composition forms a pressure sensitive adhesive when cured, is disclosed.

Abstract: Adhesive formulations are blends of aqueous polymer dispersions and a hydrophobic plasticizer. The blended dispersed polymers include at least one hard sulfonated polyester urethane, at least one soft non-sulfonated polyester urethane, and at least one polar non-polyurethane water-based polymer or copolymer. A high molecular weight elastomeric non-sulfonated polyurethane polymer and a crosslinker are optional further components in the blend. The formulations are useful as non-heat activating, one-component adhesives which generate excellent green strength, water and heat resistant bonds.

Abstract: Adhesive compositions are disclosed that include a block copolymer that includes monomers selected from the group consisting of styrene, isoprene, butadiene, and combinations thereof, from about 0.5% to about 10% by weight surfactant, and a tackifying agent. The adhesive composition has a surface tension of at least about 34 dynes/cm2.

Abstract: This invention relates to a foamable composition comprising at least two parts. More specifically, the first part comprises at least one polyol, at least one gelling agent, and at least one blowing agent wherein the first part comprises an effective amount of hydrophobic ingredients and a second part comprising at least one isocyanate. A foam mass can be prepared by a method of combining a polyol component with an isocyanate component substantially free of urethane prepolymer and applying the mixture to a void or substrate. The invention also relates to methods of using certain polyurethane compositions in the repair of surface defects or for the reinforcement of structural members such as spike holes left after spike removal from railroad ties during road bed maintenance or repair. This invention further relates to a method of foaming certain polyurethane compositions in the presence of water.