Aromatic vinyl resin material and molded products thereof

An aromatic vinyl resin material having the following properties:

• 1) the heat of fusion ΔH as measured over the range 200-295° C. with a differential scanning calorimeter is 8 to 50 (J/g),
• 2) in 1H-NMR performed on the residue obtained from Soxhlet extraction using cyclohexane,
• B/A<0.49
• wherein A is an integrated value of a peak appearing at 1.0-1.7 (ppm) and B is an integrated value of a peak appearing at 1.8-2.1 (ppm), and
• 3) a tensile elongation of not less than 5%,.
• wherein the aromatic vinyl resin material is a graft copolymerization product of an aromatic vinyl monomer (a) and an ethylene copolymer macromer (b), wherein the ethylene copolymer macromer is prepared in the presence of a metallocene catalyst.

An aromatic vinyl resin material having the following properties:

• 1) the heat of fusion ΔH as measured over the range 200-295° C. with a differential scanning calorimeter is 8 to 50 (J/g),
• 2) in 1H-NMR performed on the fraction eluted at 50° C. or higher through temperature rising electron fraction by use of o-dichlorobenzene (hereinafter referred to simply as fractionation by o-dichlorobenzene), B/A<0.49 wherein A is an integrated value of a peak appearing at 1.0-1.7 (ppm) and B is an integrated value of a peak appearing at 1.8-2.1 (ppm), and
• 3) a tensile elongation of not less than 5%,
• wherein the aromatic vinyl resin material is a graft copolymerization product of an aromatic vinyl monomer (a) and an ethylene copolymer macromer (b), wherein the ethylene copolymer macromer is prepared in the presence of a metallocene catalyst.

An aromatic vinyl resin material having the following properties:

• 1) the heat of fusion ΔH as measured over the range 200-295° C. with a differential scanning calorimeter is 8 to 50 (J/g),
• 2) in 1H-NMR performed on the residue obtained from Soxhlet extraction using cyclohexane,
• B/A<0.49
• wherein A is an integrated value of a peak appearing at 1.0-1.7 (ppm) and B is an integrated value of a peak appearing at 1.8-2.1 (ppm),
• 3) a tensile elongation of not less than 5%, and
• 4) internal haze is not greater than 70%,
• wherein the aromatic vinyl resin material is a graft copolymerization product of an aromatic vinyl monomer (a) and an ethylene copolymer macromer (b), wherein the ethylene copolymer macromer is prepared in the presence of a metallocene catalyst.

An aromatic vinyl resin material having the following properties:

• 1) the heat of fusion ΔH as measured over the range 200-295° C. with a differential scanning calorimeter is 8 to 50 (J/g),
• 2) in 1H-NMR performed on the fraction eluted at 50° C. or higher through preparative temperature-gradient fractionation by use of o-dichlorobenzene
• B/A<0.49
• wherein A is an integrated value of a peak appearing at 1.0-1.7 (ppm) and B is an integrated value of a peak appearing at 1.8-2.1 (ppm),
• 3) a tensile elongation of not less than 5%, and
• 4) internal haze is not greater than 70%.
• wherein the aromatic vinyl resin material is a graft copolymerization product of an aromatic vinyl monomer (a) and an ethylene copolymer macromer (b), wherein the ethylene copolymer macromer is prepared in the presence of a metallocene catalyst.

An aromatic vinyl resin material having the following properties:

• 1) it satisfies the relationship represented by the following expression:
• SG value=log[G′(1.0)/G′(0.1)]≦0.6
• wherein G′(1.0) is a storage modulus as measured at a temperature of 300° C., a strain γ of 20%, and a frequency of 1.0 Hz, and G′(0. 1) is a storage modulus as measured at a temperature of 300° C., a strain γ of 20%, and a frequency of 0.1 Hz, and
• 2) internal haze is not greater than 70%,
• wherein the aromatic vinyl resin material is a graft copolymerization product of an aromatic vinyl monomer (a) and an ethylene copolymer macromer (b), wherein the ethylene copolymer macromer is prepared in the presence of a metallocene catalyst.