The present invention relates to a bio-based acrylate monomer having a structure

##STR00001##

wherein R.sub.1 is H or —CH.sub.3, and wherein R.sub.2 is linear C1-C10 alkyl or branched C3-C10 alkyl.

The present invention relates to a bio-based acrylate monomer having a structure

##STR00001##

wherein R.sub.1 is H or —CH.sub.3, and wherein R.sub.2 is linear C1-C10 alkyl or branched C3-C10 alkyl.

The present invention is an oil-resistant adhesive composition including a hydroxy alkyl (meth)acrylate having an alkyl group containing 2 to 4 carbons, a short alkyl (meth)acrylate having an alkyl group containing 6 or less carbons, and a photo-initiator. After the adhesive composition is soaked in oleic acid at room temperature for 7 days, the adhesive composition has an expansion percent of less than about 10%.

The present invention is an oil-resistant adhesive composition including a hydroxy alkyl (meth)acrylate having an alkyl group containing 2 to 4 carbons, a short alkyl (meth)acrylate having an alkyl group containing 6 or less carbons, and a photo-initiator. After the adhesive composition is soaked in oleic acid at room temperature for 7 days, the adhesive composition has an expansion percent of less than about 10%.

The present invention is an oil-resistant adhesive composition including a hydroxy alkyl (meth)acrylate having an alkyl group containing 2 to 4 carbons, a short alkyl (meth)acrylate having an alkyl group containing 6 or less carbons, and a photo-initiator. After the adhesive composition is soaked in oleic acid at room temperature for 7 days, the adhesive composition has an expansion percent of less than about 10%.

Provided is a flexible image display device member including an adhesive layer which enables, during a folding operation of a layered sheet having a configuration in which a member sheet and an adhesive sheet are layered in a high-temperature environment, a good restoration property when the layered sheet is unfolded from a folded state. The flexible image display device member has a configuration in which two flexible members are bonded together via the adhesive layer, and the adhesive layer satisfies requirements (1) and (2). (1) A storage shear modulus at 60° C. (G′ (60° C.)) obtained by dynamic viscoelasticity measurement in a shear mode at a frequency of 1 Hz is 0.005 MPa or more and less than 0.20 MPa, and a loss tangent at 60° C. (tan δ (60° C.)) is less than 0.60. (2) When a creep compliance value measured when a stress of 3,000 Pa is applied is set to a minimum creep compliance J(t)min (MPa.sup.−1), and a maximum creep compliance value measured during a period in which the stress of 3,000 Pa continues to be applied until 3757 seconds after the minimum creep compliance J(t)min is measured is set to a maximum creep compliance J(t)max (MPa.sup.−1), a creep compliance fluctuation value Δ log J(t) calculated based on a difference between the minimum creep compliance J(t)min and the maximum creep compliance J(t)max is less than 1.0.

A resin composition includes a first (meth)acrylate monomer a second (meth)acrylate monomer containing an oxy group or a divalent alkyl group, a urethane (meth)acrylate oligomer, and at least one photoinitiator. A content of the first (meth)acrylate monomer is about 1.6 to about 4.7 times greater than a content of the urethane (meth)acrylate oligomer.

A resin composition includes a first (meth)acrylate monomer a second (meth)acrylate monomer containing an oxy group or a divalent alkyl group, a urethane (meth)acrylate oligomer, and at least one photoinitiator. A content of the first (meth)acrylate monomer is about 1.6 to about 4.7 times greater than a content of the urethane (meth)acrylate oligomer.

A resin composition includes a first (meth)acrylate monomer a second (meth)acrylate monomer containing an oxy group or a divalent alkyl group, a urethane (meth)acrylate oligomer, and at least one photoinitiator. A content of the first (meth)acrylate monomer is about 1.6 to about 4.7 times greater than a content of the urethane (meth)acrylate oligomer.

Provided are a composition including a monomer, a photoinitiator, and a cross-linking agent, the composition having a viscosity suitable for inkjet coating at room temperature, wherein a polymer produced through cross-linking of the compound has a modulus value at 60° C. (G′.sub.60° C.) of about 20 KPa to about 70 KPa; a method of producing a polymer using the composition; and a polymer produced using the production method.