Abstract: An adhesive sealant composition of at least one moisture-crosslinkable prepolymer and an anti-sagging agent of 5% to 30% by weight of a thixotropic composition of 10% to 40% by weight of a bisurea a) obtained by reaction of a primary aliphatic amine a1) with a diisocyanate a2) having a molar mass of less than 500 g/mol, and 60% to 90% by weight of an ester b) of formula (I): in which R1, R2 and R3 are an oxycarbonylalkyl radical having from 4 to 20 carbon atoms, R4 is hydrogen, methyl or ethyl or —CH2—R5 in which R5 is oxycarbonylalkyl having from 4 to 20 carbon atoms, in the form of a suspension of solid particles of bisurea a) in a continuous phase formed by ester b).

Abstract: The invention relates to a process for hot application of an adhesive composition (80) on a support (96), by means of a system comprising: a nozzle (50) for applying the adhesive composition (80), a line (88) for supplying the nozzle (50) with the adhesive composition (80) to be applied in fluid form, a mixer (30) positioned in the line (88) for the homogeneous mixture of the main components of the adhesive composition before its application; the applied adhesive composition (80) including as main components: a silylated prepolymer, a compatible tackifying resin; the adhesive composition comprising a cross-linking catalyst; the process comprising: supplying the line (88) with the silylated prepolymer separated from the cross-linking catalyst, the mixing of the cross-linking catalyst with the main components by means of the mixer (30), the hot application of the mixed adhesive composition (80) onto a support (96).

Abstract: 1) Hot melt adhesive composition comprising: a) from 5% to 50% of a thermoplastic polymer (A) selected from styrene block copolymers and polyolefins; b) from 15% to 60% of a tackifying resin (B); c) from 5% to 30% of a plasticizer (C); and d) from 0.1% to 10% of a salt (D) of a hydroxylated fatty acid comprising from 8 to 24 carbon atoms. 2) Process of manufacturing a laminate, preferably a disposable nonwoven absorbent article, implementing the hot melt adhesive composition. 3) Process for cleaning the laminating device fouled by solid deposits of the hot melt adhesive composition, comprising their manual removal by the operators at room temperature.

Abstract: 1) Multilayer film comprising 2 thin layers D and E of a thermoplastic material bonded together by a continuous layer A consisting of a hot-melt pressure-sensitive adhesive composition comprising: from 40% to 70% by weight of a composition of styrene block copolymers consisting of a mixture of diblock and triblock copolymers; and from 30% to 60% by weight of one or more tackifying resins; said multilayer film being such that the adhesive layer A is: connected to the layer D by means of a tie layer B, and connected to the layer E by means of a tie layer C, each of the 2 layers B and C respectively consisting of a composition (b) and (c) each comprising: a polyolefin (P) chosen from a polyethylene (PE) and a polypropylene (PP), optionally modified with an unsaturated carboxylic anhydride; and at least one elastomer compound (EL) chosen from a copolymer of ethylene and of propylene (EL1) and a styrene block copolymer (EL2) comprising at least one elastomer block.

Abstract: A process for hot application of an adhesive composition (80) on a support (96), by means of a nozzle (50) applying the adhesive composition (80), a line (88) supplying the nozzle (50) with the adhesive composition (80) to be applied in fluid form, a mixer (30) positioned in the line (88) for the homogeneous mixture of the main components of the adhesive composition before its application; the applied adhesive composition (80) including a silylated prepolymer, a compatible tackifying resin; the adhesive composition having a cross-linking catalyst; the process involving: supplying the line (88) with the silylated prepolymer separated from the cross-linking catalyst, the mixing of the cross-linking catalyst with the main components by the mixer (30), the hot application of the mixed adhesive composition (80) onto a support (96).

Abstract: The invention relates to a silyl-containing polymer that is used, together with a tackifying resin to form an adhesive composition capable of storing and delivering drugs to the skin of a user. Typically the composition is formed into a patch which shows excellent adhesion to the skin even when drugs and other additives are dissolved into the composition.

Abstract: A photocurable sealing material comprising at least a polythiol compound as a first component, wherein, in the case where the photocurable sealing material is used to produce two sheets having a thickness of 1 mm, a width of 25 mm, and a length of 200 mm, the two sheets are photocured by irradiation with an ultraviolet ray, then the photocured sheets are laminated, and the laminate is subjected to a load of 10 kg for 10 seconds, an action of causing the lamination interface between the two sheets to disappear is exhibited, and the self-adhesion strength in a T-type peel test is 5 N/25 mm or more when the sheets are pulled at a peel speed of 300 mm/min.

Abstract: The present invention concerns a composition comprising: —0.68% to 1.00% by weight of a silsesquioxane (A) comprising at least one phenyl group and at least one alkoxy group; —at least one silylated polymer comprising at least one alkoxysilane group, preferably 3% to 80% of at least one silylated polymer comprising at least one alkoxysilane group; and at least 25% by weight of at least one carbonated filler, percentages by weight being expressed with respect to the total weight of said composition, as well as the use of same as a mastic, in particular as a mastic for construction.

Abstract: A multilayer film: an adhesive layer A: an extrudable hot-melt self-adhesive composition; a complexable thin layer B; and a heat-sealable and cleavable layer C of a linear copolyester C1 obtained by polycondensation of a composition of monomers: at least one diol (i), at least one compound (ii) chosen from terephthalic acid or a diester derivative and at least one compound (iii) chosen from an aromatic or aliphatic dicarboxylic acid or a diester or anhydride derivative; the amounts of the monomers (i), (ii) and (iii) used in the polycondensation such that the softening temperature of C1 is below 190° C. A process for producing the multilayer film by co-extrusion blow-molding. A resealable packaging comprising a PET-based receptacle and a seal of said multilayer film, the heat-sealable and cleavable layer (C) of which is heat-sealed on the receptacle.

Abstract: 1) Polyurethane composition comprising: a) at least 98% by weight of at least one non-hot-melt polyurethane bearing NCO end groups based on diphenyl methane diisocyanates (MDI), b) a MDI monomer content of less than or equal to 1% by weight, c) at least one particular isocyanate compound with a molar volume of less than or equal to 300 millilitres per mole. 2) Process for preparing a polyurethane composition as defined previously, and an adhesive, mastic and/or surface coating composition formulated from such a polyurethane composition.

Abstract: Method for preparing a compound having an alkoxysilyl group of formula (I), wherein X represents —O— or —NR4— with R4?H or C1-C4alkyl; R1 is a radical having from 1 to 20 carbon atoms; R2 and R3 are a C1-C4 alkyl radical; p is an integer equal to 0, 1 or 2; comprising a cross metathesis reaction in the presence (i) of a compound having a group of acrylate type and of formula: —X(C?O)—CH?CH2, (ii) of an ?-olefinic silane of formula (II): and (iii) of a metathesis catalyst chosen from GRUBBS catalysts and 2nd generation HOVEYDA-GRUBBS (HG2) catalysts. 2) Compound having said alkoxysilyl group, obtained by the method 1).

Abstract: The present invention relates to a hot-melt adhesive composition comprising at least one particular mixture of SBC, at least one tackifying resin, at least one wax, and at least one plasticizer. The present invention also relates to a laminate comprising the hot-melt adhesive composition according to the invention that can be used to manufacture disposable hygiene articles.

Abstract: 1) Thixotropic composition comprising: from 10% to 40% by weight of a bisurea a) obtained by reaction of a primary aliphatic amine a1) with a diisocyanate a2) having a molar mass of less than 500 g/mol, and from 60% to 90% by weight of an ester b) of formula (I): in which: R1, R2 and R3 represent an oxycarbonylalkyl radical having from 4 to 20 carbon atoms; R4 represents a hydrogen atom, a methyl or ethyl radical or else a radical: —CH2—R5 in which R5 represents an oxycarbonylalkyl radical having from 4 to 20 carbon atoms; said composition being in the form of a suspension of solid particles of bisurea a) in a continuous phase formed by the ester b). 2) Adhesive sealant composition comprising at least one moisture-crosslinkable prepolymer and, as anti-sagging agent, from 5% to 30% by weight of said thixotropic composition.

Abstract: The present invention provides a curable adhesive composition comprising at least one curable silylated polymer and at least one curing catalyst obtained by reaction of a metal alkoxide and an oxime. The present invention also provides the use of a metal compound obtained by reaction of a metal alkoxide and an oxime as curing catalyst for silylated polymers.

Abstract: 1) Multilayer film comprising: an adhesive layer A consisting of an extrudable hot-melt pressure-sensitive adhesive composition; a hot-sealable and splittable layer B consisting of a composition b; a complexable layer C consisting of a composition c; said film being characterized in that one of the compositions b and c is a composition t based on a thermoplastic material P comprising, on the basis of its total weight, from 0.1 to 5% by weight of a non-ionic surfactant T, the weight-average molar mass of which is less than 1000 g/mol and which comprises at least one saturated linear aliphatic chain containing from 10 to 22 carbon atoms. 2) Process for producing said film by co-extrusion. 3) Use of said film for producing reclosable packagings.

Abstract: The invention relates to a gluing process of an adhesive composition with the use of a gluing nozzle having an extrusion die for continuous extrusion of an adhesive composition over a predetermined width, the extrusion die (20) comprising a lower lip (22) and an upper lip (24), the upper and lower lips (24, 22) extending parallel to one another so as to form a transverse channel (28) for the longitudinal flow of the adhesive composition, the transverse channel extending longitudinally between: a supply opening (30) for supplying the adhesive composition; and an extrusion outlet (34) for extrusion of the adhesive composition (34); the channel (28) comprising a concave volume (32) for relaxation of the adhesive composition between the supply opening (30) and the gluing outlet (34).

Abstract: The present invention relates to a heat-crosslinkable adhesive composition comprising: —from 20% to 84% by weight of a composition (A); —from 15% to 79% by weight of a compatible tackifying resin (B), —from 0.01% to 5% by weight of a crosslinking catalyst (C). The invention also relates to a self-adhesive item obtained by preheating said composition, coating on a support layer, then crosslinking by heating.

Abstract: 1) Adhesive composition comprising at least one crosslinkable silylated polymer (A) and a catalytic composition (B) comprising: a tertiary amine (C) with a pKa of greater than 11 and an organometallic compound (D) obtained by reacting a metal alkoxide (D1) with an oxime (D2). 2) Corresponding catalytic composition (B).

Abstract: The invention relates to the use of an adhesive composition comprising at least one silyl-containing polymer, at least one compatible tackifying resin and at least one catalyst, to make a breathable self-adhesive article. The invention also relates to a breathable self-adhesive article comprising at least one breathable substrate coated with a breathable adhesive layer. The invention also relates to a pressure-sensitive adhesive composition.

Abstract: The subject of the present invention relates to an improved high performance, hot melt, single-component sealant composition comprising: (a) an elastomer selected from butyl rubber, polyisobutylene rubber, ethylene-propylene rubber, and mixtures thereof, (b) an inorganic filler, and (c) an adhesion promoter comprising an epoxy-based silane and an amino-based silane, wherein the weight ratio between the epoxy-based silane and the amino-based silane ranges from 60/40 to 90/10. The present invention also relates to the use of said sealant composition as an edge sealant in insulating glass structures, such as windows or doors. Finally, the invention relates to an insulated glass structure comprising a sealant composition according to the invention.