摘要:
The present invention is a composition comprising: a) one or more isocyanate functional prepolymers; b) one or more compounds containing a cycloaliphatic tertiary amine; c) one or more compounds containing a peroxide group; and d) one or more acrylate containing components. The system can be used in the form of a two part adhesive or in the form of a one part adhesive and an activator adapted to be applied to the surface of one or more of the substrates to which the adhesive is to be bonded.
摘要:
The invention provides a light-curable adhesive resin composition, which exhibits good adhesion to adherends, including not only thermoplastic resins such as PET or polyimide, but also metal oxides such as IZO and metals such as gold. As means for solving the problems, the inventive thiol group-containing adhesive resin composition contains (A) a urethane (meta-) acrylate oligomer having a weight average molecular weight (Mw) of 5,000-40,000, (B) a (meta-) acryloyl morpholine monomer, (C) a polythiol, and (D) a photopolymerization initiator, wherein the polythiol (C) has thiol groups in an amount of 0.4 equivalents or more per 1 equivalent of the total (meta-) acrylate groups contained in the thiol group-containing adhesive resin composition.
摘要:
The disclosed technology relates to a crystalline thermoplastic polyurethane composition useful as a hot-melt adhesive, wherein the crystalline thermoplastic polyurethane in accordance with the present invention provides superior properties including higher melting point, heat resistance, abrasion resistance, resilience, and faster processing times.
摘要:
The invention provides anaerobic curable compositions comprising a (meth)acrylate component, at least a portion which comprises a (meth)acrylate-functionalized bio-renewable oleaginous polyurethane polymer, and methods of their production and use. These compositions provide excellent adhesion especially on oily surfaces.
摘要:
Disclosed is an aqueous composition for surface coating, including: a main ingredient comprising a first compound having at least two functional groups selected from the group consisting of a carboxyl group, a hydroxyl group, an amino group and combinations thereof, per molecule; a curing agent comprising a second compound having at least two functional groups selected from the group consisting of an aziridine group, an isocyanate group, a carbodiimide group and combinations thereof, per molecule; and an aqueous solvent. Further, an automotive sheet using the aqueous composition for surface coating is disclosed.
摘要:
The invention relates to an uncured, polymerizable composition comprising (A) 1 - 25 % b.w. of the total composition of a rubber, (B) 25 - 75 % b.w. of the total composition of a monomer or monomer blend comprising acrylic or methacrylic acid or a derivative thereof (C) 1 - 50 % b.w. of the total composition of a meth(acrylated) polyurethane and (D) at least one type of core shell particle. Upon cure these compositions exhibit better facture toughness, especially at low temperatures.
摘要:
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von zur Herstellung von Polymeren, insbesondere Polyhydroxyurethanen (PHU), aus Alkenyletherpolyolen bzw. Präpolymeren, die von solchen Alkenyletherpolyolen abgeleitete Monomereinheiten enthalten, und Polythiolverbindungen sowie ein Verfahren zur Vernetzung von Alkenylethergruppen-haltigen Verbindungen mit Polythiolverbindungen. Des Weiteren richtet sich die Erfindung auf die Polymere und vernetzten Polymere, die mittels des erfindungsgemäßen Verfahrens erhältlich sind.
摘要:
Provided is a reactive hot-melt adhesive composition which has excellent water resistant adhesion. The reactive hot-melt adhesive composition of the present invention is a reactive hot-melt adhesive composition that is moisture curable and that contains: a urethane prepolymer having an isocyanate group, a (meth)acrylic resin, and an adhesion promoter containing at least an isocyanate group-containing (meth)acrylamide compound.