A composition containing a (A) fluoropolyether group-containing polymer and a (B) siloxane polymer, wherein the fluoropolyether group-containing polymer is a copolymer represented by the following formula (1) or (2):

##STR00001##

The present invention is directed to a hydroxyl-functionalized polyether-polysiloxane block copolymer of the structure A(-XB).sub.n wherein: A represents said polysiloxane block; B represents said polyether block; X is a linker group characterized by including the moiety SiCC of which said Si is the terminal silicon atom of the polysiloxane block A; and, n is an integer of from 2 to 4,
said block copolymer being further characterized by a terminal unsaturation of less than 0.04 meq/g, preferably less than 0.03 meq/g and more preferably less than 0.025 meq/g and the method for producing thereof.

The present invention provides a reusable medical box which has excellent mechanical properties, chemical resistance, heat resistance, and needle-penetration resistance. The medical box of the present invention is a reusable medical box consisting of a polycarbonate resin composition comprising, based on a total of 100 parts by weight of (A) a polycarbonate-based resin (component A) and (B) a polyolefin-based resin (component B), 1 to 30 parts by weight of (C) a styrene-based thermoplastic elastomer (component C).

A polymer compound selected from a homopolymer of (a) and a block copolymer of (b). (a) A homopolymer comprising a polyether segment having a side chain including a primary amine. (b) A block copolymer of a polyether segment having a side chain including a primary amine, and a poly(ethylene glycol) chain.

Provided is a binder composition for a non-aqueous secondary battery containing: a particulate polymer formed of a block copolymer including an aliphatic conjugated diene monomer unit and a block region formed of an aromatic vinyl monomer unit; at least one saturated hydrocarbon selected from the group consisting of a chain alkane having a carbon number of not less than 5 and not more than 8 and a cycloalkane having a carbon number of not less than 5 and not more than 8; and water. The content of the saturated hydrocarbon is not less than 0.001 parts by mass and not more than 0.1 parts by mass per 100 parts by mass of the particulate polymer.

The present disclosure provides an article. In an embodiment, the article includes a first structural component and a second structural component. The first structural component includes a polycarbonate composition. The second structural component includes a polymeric blend of (i) an ethylene/-olefin multi-block copolymer, and (ii) a functional polymer modifier that is an ethylene/ester copolymer. The second structural component is adhered to the first structural component.

An object is to provide a chlorinated polyolefin resin composition being superior in adhesion, solution stability, and chipping resistance. The chlorinated polyolefin resin composition contains a component (A): a polyolefin resin A having a melting point (Tm.sub.A) obtained with a differential scanning calorimeter (DSC) in the range of 90 to 160 C., and a component (B): a polyolefin resin B having a melting point (Tm.sub.B) obtained with a differential scanning calorimeter (DSC) in the range of 50 to 130 C., at least any one of the component (A) and the component (B), or a copolymer thereof being a chlorinated polyolefin resin (where |Tm.sub.ATm.sub.B|5 C.).

The problem addressed by the present invention is to provide a block copolymer that can be used in a neutral solvent atmosphere and can produce a solid polymer membrane including nanoparticles. The problem is solved by a block copolymer represented by formula (1) below. ##STR00001## wherein in the formula, R.sub.1 represents a C1-20 linear, branched, or cyclic alkyl group, C6-20 aryl group, or C7-20 aralkyl group; R.sub.2 represents a group having a functional group having an acid dissociation constant pKa of from 0.5 to 7; R.sub.3, R.sub.4, and R.sub.5 each show H or a C1-20 linear, branched, or cyclic alkyl group; R.sub.6, R.sub.7, and R.sub.8 each represent a hydrogen, hydroxyl group, nitro group, carboxy group, or carbonyl group; X represents an amide or ester, but may not be included; Y represents an amide or ester, but may not be included; p represents an integer of 1-10, but may not be included; n represents an integer of 3-1000; m represents an integer of 3-1000; and t represents an integer of 3-1000, but n may not be included; the arrangement of n, m, and t is arbitrary, but n and m are adjacent when n is included.

[Problem] To provide a thermoplastic resin composition for use in an organ model, wherein said composition has a softness closer to that of an organ, a high mechanical strength, and a texture close to an organ, exhibits excellent durability, and can be handled easily. [Solution] A resin composition for an organ model, said composition containing, as component (A), 100 parts by mass of a hydrogenated block copolymer having an MFR (measured at a temperature of 230 C. and a load of 2.16 kg) of 1 g/10 min. or less, and an oil as component (B). Moreover, the composition may also contain a cross copolymer as component (C), a polypropylene resin as component (D), and a filler as component (E).

Disclosed are chemical products useful for crude oil conditioning, particularly to demulsifying basic compounds. Disclosed are PEO.sub.w-PPO.sub.y-PEO.sub.w triblock bipolymers, with amphoteric groups, -amino acid derivatives, at the chain ends, which destabilize water-in-crude oil (W/O) emulsions, thereby removing emulsified water and salts dissolved salts in the aforementioned phase.