An adhesive composition is provided which exhibits an excellent adhesion rate on metals and low-polarity thermoplastic elastomers, and is excellent in appearance with no clouding of hardened bodies and is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the general formula: C.sup.+A.sup.(1) where, in formula (1), C.sup.+ represents an onium cation, and A.sup. represents a bis(fluorosulfonyl)imide anion.

An adhesive composition is provided which exhibits an excellent adhesion rate on metals and low-polarity thermoplastic elastomers, and is excellent in appearance with no clouding of hardened bodies and is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the general formula: C.sup.+A.sup.(1) where, in formula (1), C.sup.+ represents an onium cation, and A.sup. represents a bis(fluorosulfonyl)imide anion.

An adhesive composition is provided which is excellent in adhesion rate on non-polar hard-to-bond materials and bond gap curability, and further is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the following general formula (1):

nC.sup.+A.sup..sub.n-X(1)

wherein, in formula (1), C.sup.+ represents an onium cation, A.sup. represents at least one anion selected from the group consisting of SO.sub.3.sup., OSO.sub.3.sup. and a specific imide anion, X represents a linking group which connects at least two anions together, and n is an integer of 2 or more.

An adhesive composition is provided which is excellent in adhesion rate on non-polar hard-to-bond materials and bond gap curability, and further is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the following general formula (1):

nC.sup.+A.sup..sub.n-X(1)

wherein, in formula (1), C.sup.+ represents an onium cation, A.sup. represents at least one anion selected from the group consisting of SO.sub.3.sup., OSO.sub.3.sup. and a specific imide anion, X represents a linking group which connects at least two anions together, and n is an integer of 2 or more.

An adhesive composition is provided which exhibits an excellent adhesion rate on metals and low-polarity thermoplastic elastomers, and is excellent in appearance with no clouding of hardened bodies and is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the general formula: C.sup.+A.sup.(1) where, in formula (1), C.sup.+ represents an onium cation, and A.sup. represents a bis(fluorosulfonyl)imide anion.

An adhesive composition is provided which exhibits an excellent adhesion rate on metals and low-polarity thermoplastic elastomers, and is excellent in appearance with no clouding of hardened bodies and is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the general formula: C.sup.+A.sup.(1) where, in formula (1), C.sup.+ represents an onium cation, and A.sup. represents a bis(fluorosulfonyl)imide anion.

The present invention concerns a two-part curable composition comprising: a) a first part (part A) comprising:at least one cyanoacrylate monomer; b) a second part (part B) comprising:a nucleophilic initiator;a plasticizer; said two-part curable composition further comprising a color changing indicator in part A and/or part B; said nucleophilic initiator being selected from the group consisting of: organic bases, quaternary ammonium salts, metal salts of carboxylic acids, and mixtures thereof. The present invention also concerns its use, in particular for determining cure of said composition.

The present invention concerns a two-part curable composition comprising: a) a first part (part A) comprising:at least one cyanoacrylate monomer; b) a second part (part B) comprising:a nucleophilic initiator;a plasticizer; said two-part curable composition further comprising a color changing indicator in part A and/or part B; said nucleophilic initiator being selected from the group consisting of: organic bases, quaternary ammonium salts, metal salts of carboxylic acids, and mixtures thereof. The present invention also concerns its use, in particular for determining cure of said composition.

A resin composition exhibiting excellent adhesive strength when used as an adhesive and a cured product using the same are provided. Further, a laminate using the cured product and a method for producing the laminate are provided.

A resin composition including: 1,1-dicyanoethylene (A), a polymerizable monomer (B) represented by general formula (I) below, and a polymerizable monomer (C) represented by general formula (II) below:

CH.sub.2CR.sup.1R.sup.2(I)

CHR.sup.6CR.sup.7R.sup.8(II)

A resin composition exhibiting excellent adhesive strength when used as an adhesive and a cured product using the same are provided. Further, a laminate using the cured product and a method for producing the laminate are provided.

A resin composition including: 1,1-dicyanoethylene (A), a polymerizable monomer (B) represented by general formula (I) below, and a polymerizable monomer (C) represented by general formula (II) below:

CH.sub.2CR.sup.1R.sup.2(I)

CHR.sup.6CR.sup.7R.sup.8(II)