摘要:
1) Multilayer film comprising: an adhesive layer A consisting of a self-adhesive, thermo-fusible extrudable composition; a complexable thin layer B; and a thermosealable and breakable layer C of a linear copolymer C1 obtained by polycondensation of a composition of monomers comprising at least one diol (i), at least one compound (ii) selected from terephthalic acid or one of the diester derivatives thereof, and at least one compound (iii) selected from an aromatic or aliphatic carboxylic diacid or one of the diester or anhydride derivatives thereof; the quantities of monomers (i), (ii) and (iii) used in the polycondensation being such that the softening temperature of C1 is less than 190 °C. 2) Method for producing said multilayer film by co-extrusion blow moulding, at a temperature between 150 °C and 200 °C. 3) Reclosable package comprising a PET container and a lid consisting of said multilayer film, the thermosealable and breakable layer (C) of which is thermosealed on said container.
摘要:
1) Two-component lamination adhesive of which the -NCO component is obtained by reacting a polyisocyanate with a composition of diols (B) comprising: - from 60% to 100% weight/weight of a composition (B1) consisting of di(polyricinoleate) diols with a hydroxyl number of between 30 and 70 mgKOH/g and having the formula (I): in which: - A is a divalent hydrocarbon-based radical optionally interrupted with one or more heteroatoms chosen from oxygen or sulphur; and - m and n, which may be identical or different, are 0 or an integer ranging from 1 to 11 and are such that m + n ranges from 0 to 11; and - from 0 to 40% weight/weight of a composition (B2) consisting of diols which have an OH number of between 72 and 360 mgKOH/g and which are chosen in particular from dimerized fatty alcohols comprising from 20 to 44 carbon atoms. 2) Multilayer film comprising an adhesive layer made up of said lamination adhesive, and method for preparing said film. 3) Use of said film for the manufacture of flexible packaging.
摘要:
1) Composition adhésive réticulable par chauffage comprenant : (α) 47-60 % d'une composition constituée de 10-50 % d'un polyéther/polyuréthane à terminaisons alkosysilanes et de 50-90 % d'une composition de polyuréthanes à terminaisons alkoxysilanes de formule (II) :
dans laquelle : R 6 est un radical divalent hydrocarboné C5-C15 ; R 7 est un radical divalent alkylène C1-C3; R 8 et R 9 sont un C1-C4 alkyle ; q est 0, 1 ou 2 ; r est tel que la masse molaire moyenne en nombre des polymères de formule (II) est entre 900 Da et 11 kDa ; R 10 est un bloc polyester divalent d'indice hydroxyle I OH compris entre 40 et 60 mg KOH/g et obtenu par polycondensation d'un alcool gras dimérisé d'I OH 200-220 mg KOH/g et d'un acide gras dimérisé d'indice d'acide 190-200 mg KOH/g ; (β) 37-50 % d'une résine tackifiante compatible ; et (γ) 0,01-3 % d'un catalyseur de réticulation.
2) Support auto-adhésif obtenu par préchauffage de ladite composition adhésive, enduction sur une couche support, puis réticulation par chauffage à 50-150°C. 3) Utilisation pour la fabrication d'étiquettes et/ou rubans auto-adhésifs.
摘要:
1) Moisture-crosslinkable adhesive composition comprising: from 25% to 50% of a composition (a) formed of a crosslinkable epoxy resin and of a polymer having a polyoxyalkylene or polyurethane main chain connected to a hydrolyzable terminal alkoxysilyl group; from 0.5% to 6% of a ketimine (b); and from 40% to 65% of an inert inorganic or organic filler (c). 2) Method for laying a wood-based covering, in particular a wide-block parquet flooring, on a flat rigid support comprising the distribution of an effective amount of said adhesive composition in the form of a substantially homogeneous layer.
摘要:
The invention relates to: 1) a multilayer film including a layer having a thickness of between 7 and 300 µm and consisting of a hot-melt pressure-sensitive adhesive composition having an MFI of 0.01 to 100 g/10 minutes, said composition including: 40% to 70% of an SIS styrene block copolymer mixture having a styrene content of 10% to 16% and a diblock copolymer content of 50% to 90%; and 30% to 60% of one or more tackifying resins having a softening temperature of between 5ºC and 140ºC; 2) a method for manufacturing said film by means of coextrusion; and 3) the use of said film for manufacturing resealable cartons.
摘要:
Adhesive composition comprising : at most 15% of a PolyPropylene (or PP) having a melting point between 30° C. and 100° C. ; from 30 to 60% of a cross-linkable polymer with silyl end groups comprising cross-linking groups bonded to the silicon atom, said cross-linkable polymer having a functionality of on average 3-12 cross-linking groups; a cross-linking catalyst for the polymer; a water scavenger; and a rheology controller. The composition is used for direct glazing of a windscreen on a metallic automotive frame.