The present invention provides a UV curable adhesive, wherein based on a total weight of the UV curable adhesive, the UV curable adhesive comprises: from 30 to 70 wt % of an acrylate oligomer; from 20 to 65 wt % of an acrylate monomer; from 1 to 10 wt % of acryloyl morpholine; from 1 to 15 wt % of a photo initiator; and from 0 to 10 wt % of a thickening agent, wherein the acrylate oligomer has a weight average molecular weight in a range of from 10,000 to 100,000 grams/mole and a glass transition temperature in a range of from −50 to 0° C. According to the technical solution of the present invention, the adhesive layer obtained from curing the UV curable adhesive is relatively thick (for example, 0.8 mm), and the adhesive layer has good adhesion property, cohesive force, and tackiness.

The present invention provides a UV curable adhesive, wherein based on a total weight of the UV curable adhesive, the UV curable adhesive comprises: from 30 to 70 wt % of an acrylate oligomer; from 20 to 65 wt % of an acrylate monomer; from 1 to 10 wt % of acryloyl morpholine; from 1 to 15 wt % of a photo initiator; and from 0 to 10 wt % of a thickening agent, wherein the acrylate oligomer has a weight average molecular weight in a range of from 10,000 to 100,000 grams/mole and a glass transition temperature in a range of from −50 to 0° C. According to the technical solution of the present invention, the adhesive layer obtained from curing the UV curable adhesive is relatively thick (for example, 0.8 mm), and the adhesive layer has good adhesion property, cohesive force, and tackiness.

Two-part cyanoacrylate/free radically curable adhesive systems demonstrating improved toughness are provided.

Two-part cyanoacrylate/free radically curable adhesive systems demonstrating improved toughness are provided.

The present invention provides a cyanoacrylate adhesive composition comprising: (A) a cyanoacrylate component, and (B) a β,β-diaryl-α-cyanoacrylate-based light stabilizer; cured product of the composition according to the present invention, and a method of bonding together two substrates using the cyanoacrylate adhesive composition according to the present invention.

The present invention provides a cyanoacrylate adhesive composition comprising: (A) a cyanoacrylate component, and (B) a β,β-diaryl-α-cyanoacrylate-based light stabilizer; cured product of the composition according to the present invention, and a method of bonding together two substrates using the cyanoacrylate adhesive composition according to the present invention.

This invention relates to cyanoacrylate-containing compositions that include, in addition to the cyanoacrylate component, a polybutylmethacrylate-polymethylmethacrylate copolymer. The inventive cyanoacrylate compositions load up to nearly a threefold increase of polybutylmethacrylate-polymethylmethacrylate copolymer over conventional polymethylmethacrylate and cured products of the inventive cyanoacrylate compositions demonstrate improved flexibility in terms of modulus (at comparable loading levels as well as increased loading levels compared to conventional polymethylmethacrylate) without compromising stability, fixture time or tensile shear strength.

This invention relates to cyanoacrylate-containing compositions that include, in addition to the cyanoacrylate component, a polybutylmethacrylate-polymethylmethacrylate copolymer. The inventive cyanoacrylate compositions load up to nearly a threefold increase of polybutylmethacrylate-polymethylmethacrylate copolymer over conventional polymethylmethacrylate and cured products of the inventive cyanoacrylate compositions demonstrate improved flexibility in terms of modulus (at comparable loading levels as well as increased loading levels compared to conventional polymethylmethacrylate) without compromising stability, fixture time or tensile shear strength.

An object of the present disclosure is to provide a thickener that can be suitably used as a thickener for adhesives and can improve the odor when used in the application of a thickener for adhesives, especially when used in the cyanoacrylate-based adhesives. The thickener for cyanoacrylate-based adhesives contains a methacrylic resin containing 95 to 99.9% by mass of a methyl methacrylate monomer unit and 0.1% to 5% by mass of an alkyl (meth)acrylate monomer unit having an alkyl group with a carbon number of 4 or more.

An object of the present disclosure is to provide a thickener that can be suitably used as a thickener for adhesives and can improve the odor when used in the application of a thickener for adhesives, especially when used in the cyanoacrylate-based adhesives. The thickener for cyanoacrylate-based adhesives contains a methacrylic resin containing 95 to 99.9% by mass of a methyl methacrylate monomer unit and 0.1% to 5% by mass of an alkyl (meth)acrylate monomer unit having an alkyl group with a carbon number of 4 or more.