An actinic ray-sensitive or radiation-sensitive resin composition includes a resin having a solubility in a developer, which changes by the action of an acid, a compound that generates an acid upon irradiation with actinic rays or radiation; and an acid diffusion control agent, in which a molecular weight of the acid diffusion control agent is 420 or more, and a distance Ra between a Hansen solubility parameter of the acid diffusion control agent and a Hansen solubility parameter of the air satisfies 15≤Ra≤45.

An actinic ray-sensitive or radiation-sensitive resin composition includes a resin having a solubility in a developer, which changes by the action of an acid, a compound that generates an acid upon irradiation with actinic rays or radiation; and an acid diffusion control agent, in which a molecular weight of the acid diffusion control agent is 420 or more, and a distance Ra between a Hansen solubility parameter of the acid diffusion control agent and a Hansen solubility parameter of the air satisfies 15≤Ra≤45.

A composition for pattern formation includes a first polymer, a second polymer and a solvent. The first polymer includes: a first block including a first structural unit derived from a substituted or unsubstituted styrene; and a second block including a second structural unit other than the first structural unit. The second polymer includes: the first structural unit; and a group bonding to at least one end of a main chain thereof and including a polar group. The polar group is preferably a hydroxy group or a carboxyl group. A number average molecular weight of the second polymer is preferably no greater than 6,000. A mass ratio of the second polymer to the first polymer is preferably no less than 0.15 and no greater than 0.4. The solvent preferably comprises a compound comprising a hydroxyl group and an alkyl ester group.

A composition for pattern formation includes a first polymer, a second polymer and a solvent. The first polymer includes: a first block including a first structural unit derived from a substituted or unsubstituted styrene; and a second block including a second structural unit other than the first structural unit. The second polymer includes: the first structural unit; and a group bonding to at least one end of a main chain thereof and including a polar group. The polar group is preferably a hydroxy group or a carboxyl group. A number average molecular weight of the second polymer is preferably no greater than 6,000. A mass ratio of the second polymer to the first polymer is preferably no less than 0.15 and no greater than 0.4. The solvent preferably comprises a compound comprising a hydroxyl group and an alkyl ester group.

The present invention provides a damping material and a damping sheet made therefrom. Specifically, the present invention provides a damping material comprising 10-50 wt % of a block copolymer elastomer; 5-40 wt % of a specific-length fiber; 5-45 wt % of a thermoplastic non-elastomeric polymer; 5-50 wt % of a tackifier; 0-50 wt % of an inorganic filler; and 0-30 wt % of a flame retardant based on the total weight of the damping material. The damping material and the damping sheet made therefrom according to the present invention have high damping properties, a wide application temperature range and a low density, and can serve as a novel damping material in the current automobile, rail transit, construction and electrical appliance industries.

The present invention provides a damping material and a damping sheet made therefrom. Specifically, the present invention provides a damping material comprising 10-50 wt % of a block copolymer elastomer; 5-40 wt % of a specific-length fiber; 5-45 wt % of a thermoplastic non-elastomeric polymer; 5-50 wt % of a tackifier; 0-50 wt % of an inorganic filler; and 0-30 wt % of a flame retardant based on the total weight of the damping material. The damping material and the damping sheet made therefrom according to the present invention have high damping properties, a wide application temperature range and a low density, and can serve as a novel damping material in the current automobile, rail transit, construction and electrical appliance industries.

The present disclosure relates to a polymer for transferring graphene, including: polystyrene; and a compound represented by the following Chemical Formula 1: ##STR00001## (in Chemical Formula 1, R.sub.1 and R.sub.2 are each independently H, linear or branched C.sub.1-C.sub.20 alkyl, which can be substituted, and C.sub.6-C.sub.20 aryl, which can be substituted, and the substitution is carried out with C.sub.1-C.sub.6 alkyl or C.sub.6-C.sub.20 aryl, and n is 1 to 10).

The present disclosure relates to a polymer for transferring graphene, including: polystyrene; and a compound represented by the following Chemical Formula 1: ##STR00001## (in Chemical Formula 1, R.sub.1 and R.sub.2 are each independently H, linear or branched C.sub.1-C.sub.20 alkyl, which can be substituted, and C.sub.6-C.sub.20 aryl, which can be substituted, and the substitution is carried out with C.sub.1-C.sub.6 alkyl or C.sub.6-C.sub.20 aryl, and n is 1 to 10).

A resin composition of the present disclosure comprises (a) a polyphenylene ether resin; and (b) a graft copolymer wherein 30 to 70% by mass of an ethylene-α-olefin copolymer rubber latex having a gel content ratio of 30 to 90% by mass and a volume average particle diameter of a rubber dispersion of 0.2 to 1.0 μm is graft-polymerized with 30 to 70% by mass of an aromatic vinyl compound, wherein the (a) component forms a continuous phase.

A resin composition of the present disclosure comprises (a) a polyphenylene ether resin; and (b) a graft copolymer wherein 30 to 70% by mass of an ethylene-α-olefin copolymer rubber latex having a gel content ratio of 30 to 90% by mass and a volume average particle diameter of a rubber dispersion of 0.2 to 1.0 μm is graft-polymerized with 30 to 70% by mass of an aromatic vinyl compound, wherein the (a) component forms a continuous phase.