A package system suitable for sterilizing cyanoacrylate compositions and providing the sterile cyanoacrylate compositions a shelf life of at least 24 months, wherein the package system comprises: an ampoule comprising a chamber comprising a cyanoacrylate monomer, wherein the chamber is defined by an opening and sidewalls, wherein the ampoule comprises a material comprising a cyclic olefin copolymer; a multilayer foil seal sealing the opening of the ampoule; and a secondary package housing the ampoule.

A package system suitable for sterilizing cyanoacrylate compositions and providing the sterile cyanoacrylate compositions a shelf life of at least 24 months, wherein the package system comprises: an ampoule comprising a chamber comprising a cyanoacrylate monomer, wherein the chamber is defined by an opening and sidewalls, wherein the ampoule comprises a material comprising a cyclic olefin copolymer; a multilayer foil seal sealing the opening of the ampoule; and a secondary package housing the ampoule.

This invention relates to cyanoacrylate composition, comprising: (a) a -alkoxyakyl cyanoacrylate component, (b) a cyanoacrylate component selected from 2-methylbutyl cyanoacrylate, isoamyl cyanoacrylate, 2-ethylhexyl cyanoacrylate, 2-pentyl cyanoacrylate, 3-methylpentyl cyanoacrylate, 2-ethylbutyl cyanoacrylate, 3,7-dimethyloctyl cyanoacrylate, and combinations thereof; and (c) a rubber toughening component; (d) a humidity resistance conferring component; and (e) a thermal resistance conferring component. Cured products of the inventive cyanoacrylate compositions demonstrate improved toughening, and thermal and humidity resistance without the odor oftentimes experienced with conventional cyanoacrylate compositions or the blooming also experienced with compositions.

This invention relates to cyanoacrylate composition, comprising: (a) a -alkoxyakyl cyanoacrylate component, (b) a cyanoacrylate component selected from 2-methylbutyl cyanoacrylate, isoamyl cyanoacrylate, 2-ethylhexyl cyanoacrylate, 2-pentyl cyanoacrylate, 3-methylpentyl cyanoacrylate, 2-ethylbutyl cyanoacrylate, 3,7-dimethyloctyl cyanoacrylate, and combinations thereof; and (c) a rubber toughening component; (d) a humidity resistance conferring component; and (e) a thermal resistance conferring component. Cured products of the inventive cyanoacrylate compositions demonstrate improved toughening, and thermal and humidity resistance without the odor oftentimes experienced with conventional cyanoacrylate compositions or the blooming also experienced with compositions.

Provided is a method for easily reinforcing a three-dimensional shaped object. The method for reinforcing a three-dimensional shaped object comprises reinforcing the three-dimensional shaped object using an impregnating composition containing a 2-cyanoacrylic acid ester having a specific structure, said impregnating composition having a viscosity at 25 C. in a range of from 1 to 1000 mPa.Math.s, and said impregnating composition having a Shore hardness D in a range of from 20 to 75 when being hardened. Preferably, the three-dimensional shaped object is formed of an inorganic powder.

Provided is a method for easily reinforcing a three-dimensional shaped object. The method for reinforcing a three-dimensional shaped object comprises reinforcing the three-dimensional shaped object using an impregnating composition containing a 2-cyanoacrylic acid ester having a specific structure, said impregnating composition having a viscosity at 25 C. in a range of from 1 to 1000 mPa.Math.s, and said impregnating composition having a Shore hardness D in a range of from 20 to 75 when being hardened. Preferably, the three-dimensional shaped object is formed of an inorganic powder.

This invention relates to photocurable electron deficient olefin-containing compositions, such as those containing certain 2-cyanoacrylates, 2-cyanopentadienoates, methylidene malonates, and vinylidine cyanide, and photolatent bases. When exposed to radiation in the electromagnetic spectrum, the compositions show a delay cure property.

This invention relates to photocurable electron deficient olefin-containing compositions, such as those containing certain 2-cyanoacrylates, 2-cyanopentadienoates, methylidene malonates, and vinylidine cyanide, and photolatent bases. When exposed to radiation in the electromagnetic spectrum, the compositions show a delay cure property.

A package system suitable for sterilizing cyanoacrylate compositions and providing the sterile cyanoacrylate compositions a shelf life of at least 24 months, wherein the package system comprises: an ampoule comprising a chamber comprising a cyanoacrylate monomer, wherein the chamber is defined by an opening and sidewalls, wherein the ampoule comprises a material comprising a cyclic olefin copolymer; a multilayer foil seal sealing the opening of the ampoule; and a secondary package housing the ampoule.

A package system suitable for sterilizing cyanoacrylate compositions and providing the sterile cyanoacrylate compositions a shelf life of at least 24 months, wherein the package system comprises: an ampoule comprising a chamber comprising a cyanoacrylate monomer, wherein the chamber is defined by an opening and sidewalls, wherein the ampoule comprises a material comprising a cyclic olefin copolymer; a multilayer foil seal sealing the opening of the ampoule; and a secondary package housing the ampoule.