Silicone polyurea block copolymers are prepared by copolymerizing: (a) a diamine composition that includes a polyethylene glycol diamine, and optionally, a dipiperidyl alkane; (b) a monofunctional silicone isocyanate; and (c) a diisocyanate. Compositions useful as passivating coatings comprising the block copolymer are also provided, and substrates coated with the compositions. Methods of preparing and using the compositions are also described.

The present invention is an organosiloxane graft polyvinyl alcohol polymer containing a structural unit shown by the following general formula (1),

##STR00001##

wherein M.sup.1 and M.sup.2 represent a hydrogen atom, an acetyl group, or a siloxane group shown by the following general formula (2), provided that at least one of M.sup.1 and M.sup.2 is a siloxane group shown by the general formula (2); and A represents a single bond or a linking group.

##STR00002##

There can be provided an organosiloxane graft polyvinyl alcohol polymer that has general characteristics such as film-forming property and transparency as well as high solubility with respect to an organic solvent and excellent handleability as a liquid material.

A method of producing wood-base panels, especially OSB wood-base panels is provided. The method including the steps of providing wood strands, applying at least one adhesive system to the wood strands having at least one polymer adhesive and at least one nanoparticle below 500 nm, and pressing the wood strands admixed with the adhesive system to form wood-base panels.

The invention relates to a two-component composition, including a component A, which includes at least one silane-functional polymer and at least one hardener or accelerator for epoxy resins, and a component B, which includes at least one aqueous emulsion of at least one epoxy resin. Two-component compositions according to the invention are suitable as adhesives, sealants or coatings.

A two-component composition, containing at least one silane-group-containing polymer that is liquid at room temperature, at least one epoxide liquid resin, at least one polyetheramine, and at least one aminosilane or mercaptosilane. The composition has low odor, cures quickly and without blistering at room temperature, and, when cured, forms a tough elastic material of high strength, high adhesive force, and good thermal resistance that has no tendency toward yellowing or substrate discoloration. The composition is excellently suitable as a tough elastic adhesive for structural adhesive joints in the field of construction and in industrial production.

1) A heat-crosslinkable adhesive composition, comprising: at least one polymer (A) comprising a hydrolyzable alkoxysilane group; at least one tackifying resin (B); at least one silsesquioxane resin (C); and at least one crosslinking catalyst (D).

2) A self-adhesive article comprising a support layer coated with a self-adhesive layer consisting of the adhesive composition in the crosslinked state.

The present invention discloses a method for forming a laminated window. The method includes: a) assembling a mold between two plies that make up a laminated window; b) filling the mold with a reaction mixture having: (1) at least one chain extender; (2) at least one polyether polyol having a molecular weight of approximately 1,000; and (3) at least one aliphatic polyisocyanate; and c) curing the reaction mixture.

A composition containing two different silane-functional polymers, only one of the two polymers having terminal groups of formula (I). The composition has a surprisingly rapid skin forming time and low viscosity, crosslinks quickly even without the use of EHS-critical catalysts such as organotin compounds or DBU, and cures to a non-sticky material with good strength and elasticity. Also relates to a method for accelerating the curing of a silane-crosslinking composition by adding to it a further silane-functional polymer having terminal groups of formula (I).

A polymer preparation consisting of silane-functional polymers, including at least one polymer having at least one terminal group of formula (I) and at least one further silane terminal group, a method for producing the polymer preparation and a composition containing it. The polymer preparation has a surprisingly low viscosity, cross-links surprisingly quickly even without the use of EHS-critical catalysts such as organotin compounds or DBU, and hardens into a non-sticky material with good strength and elasticity. It is especially well suited as an elastic adhesive or sealant or as an elastic coating. The invention further relates to a method for lowering the viscosity of a polymer having at least one terminal group of formula (I) by introducing at least one further silane terminal group.

An organic-inorganic hybrid material is disclosure. The organic inorganic hybrid material contains 5˜50 wt % of inorganic compounds and has a characteristic peak at 1050±50 cm.sup.−1 in FTIR spectrum. Furthermore, the invention also provides a fabricating process of the organic-inorganic hybrid material as well as its starting material “isocyanates”. In particular, the isocyanates are prepared from carbonate containing compounds and amines.