The present application relates to a multiblock copolymer comprising at least one PA block, at least one PB block, and at least one PC block. PC block is positioned between PA block and PB block, where PC block is a rubber block, and where PA represents a polymer block comprising one or more units of monomer A, PB represents a polymer block comprising one or more units of monomer B, and PC represents a polymer block comprising one or more units of monomer C, with monomers A and B being the same or different.

Low-temperature radical polymerisation of alkoxyamines

The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as −50° C., in the presence of a nitroxide reducing agent.

Low-temperature radical polymerisation of alkoxyamines

The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as −50° C., in the presence of a nitroxide reducing agent.

A composition comprising the following: a) at least one ethylene/alpha-olefin multi-block inteipolymer that comprises soft segments (SS) and hard segments (HS), and wherein the interpolymer comprises the following properties: i) a melt index (I2)≥30 dg/min, ii) a molar ratio of “the alpha-olefin in the SS” to “the alpha-olefin in the HS”≥18, iii) a weight ratio of the SS to the HS ≤12.0; at least one tackifier and/or at least one oil.

A composition comprising the following: a) at least one ethylene/alpha-olefin multi-block inteipolymer that comprises soft segments (SS) and hard segments (HS), and wherein the interpolymer comprises the following properties: i) a melt index (I2)≥30 dg/min, ii) a molar ratio of “the alpha-olefin in the SS” to “the alpha-olefin in the HS”≥18, iii) a weight ratio of the SS to the HS ≤12.0; at least one tackifier and/or at least one oil.

An acrylic block copolymer having excellent holding power and high processability, and an adhesive composition which includes the copolymer and satisfies both of the above properties. An acrylic triblock copolymer including a polymer block (A) of methacrylic acid ester units, and a polymer block (B) of 95 mass % or more of acrylic acid ester units represented by the general formula (1): CH.sub.2═CH—COOR.sup.1, wherein R.sup.1 denotes a C7-C12 organic group, and the copolymer has a triblock structure (A)-(B)-(A) and a weight average molecular weight (Mw) of 110,000 to 250,000, and a total content of the blocks (A) at both ends is 18 mass % or less.

Provided is a sticky cleaner for antimicrobial treatment capable of removing organic dirt deposited on an article surface and of providing antimicrobial properties to the surface. The sticky cleaner according to this invention comprises a dirt-collecting member that collects organic dirt as it comes in contact with the article surface. The dirt-collecting member comprises a PSA in an area that comes in contact with the article surface, with the PSA providing antimicrobial properties to the article surface upon contact with the surface. The PSA comprises a base polymer and an antimicrobial agent.

Provided is a sticky cleaner for antimicrobial treatment capable of removing organic dirt deposited on an article surface and of providing antimicrobial properties to the surface. The sticky cleaner according to this invention comprises a dirt-collecting member that collects organic dirt as it comes in contact with the article surface. The dirt-collecting member comprises a PSA in an area that comes in contact with the article surface, with the PSA providing antimicrobial properties to the article surface upon contact with the surface. The PSA comprises a base polymer and an antimicrobial agent.

Provided are a pressure-sensitive adhesive composition, a protection film, an optical laminate, a polarizing plate, and a display device. Provided is the pressure-sensitive adhesive composition which is excellent in various physical properties, such as endurance reliability, has excellent antistatic characteristics that change little over time. The pressure-sensitive adhesive composition can be used for a protection film, or can be used for an optical film, such as a polarizing plate, for example.

Provided are a pressure-sensitive adhesive composition, a protection film, an optical laminate, a polarizing plate, and a display device. Provided is the pressure-sensitive adhesive composition which is excellent in various physical properties, such as endurance reliability, has excellent antistatic characteristics that change little over time. The pressure-sensitive adhesive composition can be used for a protection film, or can be used for an optical film, such as a polarizing plate, for example.