Ato Findley, S.a.

Other

Atofina

Bostik Sa

Bostik Findley, Inc.

Bostik Findley S.a.

Michel Miskovic

Patrick Bouttefort

Gerard Guilpain

Jean-Yves Chenard

Bruno Charriere

Fran&ccedil;ois Bauduin

Jean-Francois Chartrel

Jean Francois Chartrel

François Bauduin

Jean-Fran&ccedil;ois Chartrel

Jean-François Chartrel

The invention relates to a method for coating a substrate with a fluid. This method comprises the steps: (i) of supply of a substrate and of a yield point fluid; and (ii) of shearing of the fluid and of application of the fluid to the substrate, the fluid supplied comprising a solvent-free reactive polyurethane mixture.

Method for coating a substrate with a solvent-free yield point fluid

The invention relates to a moisture-crosslinkable polyurethane adhesive which comprises: a) 70 to 95% by weight of a polyurethane prepolymer obtained by polyaddition of polyols to diisocyanates trimerized as isocyanurates and, b) 5 to 30% by weight of an essentially amorphous poly-a-olefin, the content of free NCO groups representing 1 to 20% by weight of the adhesive. The adhesive according to the invention is used for the adhesive bonding of fixing components of the Velcro type to articles intended for hygiene.

Moisture-crosslinkable polyurethane adhesive for hygiene

The invention relates to a moisture-crosslinkable hot-melt adhesive which is composed of a polyurethane prepolymer obtained by polyaddition of at least one polyol to at least one isocyanate chosen from the group of diisocyanates trimerized as isocyanurates and reaction products of diisocyanates with water, the prepolymer having a content of free NCO group of between 1 and 25% by weight. The adhesive according to the invention may be used for the adhesive bonding of fixing components of the Velcro&#xae; type to articles intended for hygiene.

Moisture-crosslinkable hot-melt adhesive based on polyurethane prepolymer

A moisture-crosslinkable polyurethane adhesive, comprising a)70 to 95% by weight of a polyurethane prepolymer obtained by polyaddition of at least one polyol to at least one diisocyanate trimerized as isocyanurate and, b) 5 to 30% by weight of an essentially amorphous poly-&agr;-olefin, the adhesive comprising a content of free NCO groups representing 1 to 20% by weight of the adhesive.

Moisture-setting polyurethane adhesive for hygiene articles

A moisture-crosslinkable polyurethane adhesive, comprising a) 70 to 95% by weight of a polyurethane polyaddition prepolymer comprising units of at least one polyol and at least one polyisocyanate and, b) 5 to 30% by weight of an essentially amorphous poly-&agr;-olefin, the adhesive comprising a content of free NCO groups representing 1 to 20% by weight of the adhesive.

Moisture-setting polyurethane adhesive

Adhesive compositions based on polyurethane and a polyamine suspension have a free isocyanate functional group content of between 2 and 9% by weight, with the polyamine being in the form of particles having a mean diameter of between 30 and 60 &mgr;m. A process for preparing the adhesive compositions involves reacting a polyol and a polyisocyanate to form a polyurethane prepolymer, wherein the prepolymer is mixed with the polyamine suspension. The adhesive compositions can be used for the adhesive bonding of materials, especially for motor vehicles.

Adhesive compositions based on polyurethane and on polyamine suspension, process of preparation and use

The invention relates to adhesive compositions based on polyurethane and on a polyamine suspension, characterized in that the free isocyanate functional group content is between 2 and 9% by weight and the polyamine is in the form of particles of mean diameter between 30 and 60 .mu.m. Its subject-matter is also a process for the preparation of the said compositions which consists in reacting a polyol and a polyisocyanate to form a polyurethane prepolymer, which prepolymer is mixed with the polyamine suspension. Such compositions can be employed for the adhesive bonding of materials especially for motor vehicles.

Adhesive compositions based on polyurethane and on a polyamine

The invention relates to polyurethane-based hot-melt adhesives resulting from the polyaddition of a polyisocyanate, of a polyol and of a copolymer of ethylene, of vinyl acetate and of an ethylenically unsaturated monomer containing at least one primary hydroxyl group per mole. It also relates to a process for the preparation of the said adhesives. It also relates to the use of the adhesives for the adhesive bonding of flexible materials such as films.

Growing community of inventors

Compiegne, France

Michel Miskovic