Adhesion promoter compositions, containing: a) between 40 and 80 parts by weight of a binder composition, including i) 20-40 wt % of at least one silane-terminated polyurethane polymer STP, which can be obtained from at least one polyol P, aliphatic polyisocyanate I and organosilane OS1, ii) 4-20 wt % of at least one organosilane OS2 and/or organotitanate OT, iii) 0-3 wt % of at least one desiccant, iv) 40-80 wt % of solvent L1; b) between 0-30 parts by weight of industrial carbon black; c) between 0-1 parts by weight of UV marker; d) so much of solvent L2 that sum of a)-d) is 100 parts by weight; OS1 having secondary amino, mercapto or hydroxyl group on organic moiety and the at least one STP having been produced in absence of OS2, and the at least one P having an average OH functionality of at least 2 and equivalent weight of at most 500.

Adhesion promoter compositions, containing: a) between 40 and 80 parts by weight of a binder composition, including i) 20-40 wt % of at least one silane-terminated polyurethane polymer STP, which can be obtained from at least one polyol P, aliphatic polyisocyanate I and organosilane OS1, ii) 4-20 wt % of at least one organosilane OS2 and/or organotitanate OT, iii) 0-3 wt % of at least one desiccant, iv) 40-80 wt % of solvent L1; b) between 0-30 parts by weight of industrial carbon black; c) between 0-1 parts by weight of UV marker; d) so much of solvent L2 that sum of a)-d) is 100 parts by weight; OS1 having secondary amino, mercapto or hydroxyl group on organic moiety and the at least one STP having been produced in absence of OS2, and the at least one P having an average OH functionality of at least 2 and equivalent weight of at most 500.

Polymer composite materials and methods of preparation are discussed. The composite material may comprise a polyurethane foam and a plurality of inorganic particles dispersed in the polyurethane foam. The composite material may have moisture movement properties, such that (a) a sample of the composite material having a length of 48 inches has a moisture movement of less than 0.15% along the length, and/or (b) a sample having a length of 6 inches has a moisture movement of less than 0.8% along the length, when submerged in 45° C. distilled water for 14 days.

Described is a curable composition comprising a silane modified polymer; an epoxy resin terminated with epoxy terminal group; a compatibilizer having at least one silane group and at least one epoxy terminal group or at least one nitrogen-containing groups; and optionally a hardening agent; wherein the composition further optionally comprises at least one of a nitrogen-containing unsaturated heterocyclic compound catalyst and a nitrogen-containing phenol catalyst. The curable composition exhibits high hermeticity, fast curing speed, quick adhesion build up, dry surface and strong adhesion strength. A method for applying the curable composition on the surface of a substrate is also provided.

The present invention provides an environment-responsive laminated film including an inorganic thin film layer and a protective layer in this order on a substrate film layer using a polyester resin recycled from PET bottles. The laminated film has excellent barrier properties and adhesiveness even after a severe wet heat treatment and has less deterioration in appearance of the film even after retorting. The laminated film comprises a substrate film; an inorganic thin film layer on at least one surface of the substrate film; and a protective layer containing a urethane resin on the inorganic thin film layer, wherein (a) the substrate film contains 50% by weight or more of a polyester resin recycled from PET bottles; (b) standard deviation of a haze after retorting the laminated film at 130° C. for 30 minutes is 0.5% or less; and (c) an adhesion amount of the protective layer is 0.5 g/m.sup.2 or less.

The present invention provides an environment-responsive laminated film including an inorganic thin film layer and a protective layer in this order on a substrate film layer using a polyester resin recycled from PET bottles. The laminated film has excellent barrier properties and adhesiveness even after a severe wet heat treatment and has less deterioration in appearance of the film even after retorting. The laminated film comprises a substrate film; an inorganic thin film layer on at least one surface of the substrate film; and a protective layer containing a urethane resin on the inorganic thin film layer, wherein (a) the substrate film contains 50% by weight or more of a polyester resin recycled from PET bottles; (b) standard deviation of a haze after retorting the laminated film at 130° C. for 30 minutes is 0.5% or less; and (c) an adhesion amount of the protective layer is 0.5 g/m.sup.2 or less.

The present invention relates to silyl terminated polyurethanes and to intermediates for the preparation thereof. In particular to an allyl-monool-containing initiator, allyl-terminated polyurethane prepolymer and to processes for their preparation. According to another of its aspect, the invention relates to a product obtainable by curing the silyl terminated polyurethane of the invention and to uses thereof.

The present invention relates to silyl terminated polyurethanes and to intermediates for the preparation thereof. In particular to an allyl-monool-containing initiator, allyl-terminated polyurethane prepolymer and to processes for their preparation. According to another of its aspect, the invention relates to a product obtainable by curing the silyl terminated polyurethane of the invention and to uses thereof.

A branched polymer containing silane groups having an average of at least 2.1 silane groups per molecule, from the reaction of (i) a polymer containing isocyanate groups and having an NCO content ranging from 0.7% to 4% by weight, obtained from the reaction of at least one monomeric diisocyanate with at least one polyether polyol in a molar NCO/OH ratio of at least 1.5/1, (ii) with at least one amino-, mercapto- or hydroxysilane, in a stoichiometric ratio of at least 1 mol of amino-, mercapto- or hydroxysilane per molar equivalent of isocyanate groups. The polymer containing silane groups is storage-stable, liquid at room temperature and easily handled, and permits curable compositions having excellent processability, rapid curing, high strength coupled with good extensibility, and good thermal stability. It is particularly suitable as a constituent of moisture-curable sealants, adhesives or coatings, additionally including a further, in particular linear, polymer containing silane groups.

A branched polymer containing silane groups having an average of at least 2.1 silane groups per molecule, from the reaction of (i) a polymer containing isocyanate groups and having an NCO content ranging from 0.7% to 4% by weight, obtained from the reaction of at least one monomeric diisocyanate with at least one polyether polyol in a molar NCO/OH ratio of at least 1.5/1, (ii) with at least one amino-, mercapto- or hydroxysilane, in a stoichiometric ratio of at least 1 mol of amino-, mercapto- or hydroxysilane per molar equivalent of isocyanate groups. The polymer containing silane groups is storage-stable, liquid at room temperature and easily handled, and permits curable compositions having excellent processability, rapid curing, high strength coupled with good extensibility, and good thermal stability. It is particularly suitable as a constituent of moisture-curable sealants, adhesives or coatings, additionally including a further, in particular linear, polymer containing silane groups.