Polycarbonate-containing compositions having desirable properties, such as good resistance to environmental stress cracking, are achieved using a combination of a polycarbonate polymer, a compatibilizing agent and an olefinic elastomer. The polycarbonate-containing composition may include about 40-98 weight percent of one or more carbonates polymers; about 0.1-10 weight percent of one or more compatibilizing agents; and 0.1-10 weight percent of one or more olefinic elastomers. The polycarbonate-containing compositions (e.g., polycarbonate blend compositions) preferably have good chemical resistance to medium chain triglycerides. The compositions may be employed in components, such as housings, that require resistance to cleaning fluids used in hospitals. For example, the composition may be employed in components that require resistance to hospital grade tuberculosis disinfectants.

There are provided a composition for encapsulation film, an encapsulation film, and an electronic device having the same. The present application may provide an encapsulation film having an excellent moisture barrier property, operability, workability, and durability and a structure including an element encapsulated by the encapsulation film.

Polymer blends comprising (A) at least one polystyrene (co)polymer other than styrene methyl methacrylate copolymer (SMMA), (B) at least one poly(lactic acid) (PLA) and (C) at least one styrene methyl methacrylate copolymer (SMMA) have advantageous properties.

A golf ball material includes (A) one or more resin ingredient selected from the group consisting of olefin-unsaturated carboxylic acid random copolymers, olefin-unsaturated carboxylic acid-unsaturated carboxylic acid ester random copolymers, and metal ion neutralization products of these copolymers; (D) an amino compound having at least 2 amino groups per molecule; (B) one or more resin ingredient selected from the group consisting of polyethylene, polyesters and polyamide elastomers; and (C) an agent for compatibilizing components (A) and (B). The compatibilizing agent (C) includes: (C-i) two different types of base polymer selected from a specific group, (C-ii) a hydrogenated diene polymer having at least one type of functional moiety selected from a specific group of moieties, and (C-iii) an olefinic polymer having at least one type of functional moiety selected from a specific group of moieties.

The present invention discloses a high weld line strength polyethylene/polycarbonate alloy, including the following components in parts by weight: 5 parts to 40 parts of a polyethylene; 40 parts to 85 parts of a polycarbonate; and 1 part to 15 parts of an ethylene copolymer compatibilizer. The high weld line strength polyethylene/polycarbonate alloy has the advantages of high weld line strength, a good melt index and a good thermal aging resistance.

A method for producing a first kneading step in which cellulose fibers having a weighted-average fiber length of 0.20 mm to 1.50 mm, a compatibilizing resin, and urea are introduced into a kneader and kneaded.

There is provided a polystyrene resin composition including: (A) a polyamide; (B) a polystyrene resin having a syndiotactic structure; (C) a compatibilizer which has a polar group reactive with the polyamide (A), and which is compatible with the polystyrene resin (B); (D) a particular hindered phenol compound; and (E) an inorganic filler, wherein the amount of the polystyrene resin (B) is 10.0 to 30.0% by weight, and the amount of the hindered phenol compound (D) is 0.3 to 1.0% by weight per 100% by weight of the total amount of the components (A) to (E).

Provided are a polycarbodiimide compound and a polyester resin composition and polyester resin modifier using the polycarbodiimide compound, the polycarbodiimide compound having a small amount of residual amine and having good processability when the polycarbodiimide compound is added to the polyester resin while keeping hydrolysis resistance of polyester resin imparted thereto through addition of the polycarbodiimide compound. A polycarbodiimide compound represented by the following general formula (1): R.sub.mNH.sub.2-m—CO—NH—Z—(N═C═N—Z).sub.n—NH—CO—NH.sub.2-mR.sub.m (1) is used, wherein R.sub.m is a hydrocarbon residue of an amine compound which is represented by R.sub.mNH.sub.3-m and has a boiling point at 1 atm of 150° C. or lower; m is 1 or 2; Z is a residue obtained by removing two isocyanate groups from an aliphatic diisocyanate compound; and n is any integer of 2 to 7.

To provide a rubber composition in which wet performance, wear resistance, low rolling resistance, and breaking resistance are highly balanced. A rubber composition comprising a rubber component comprising at least three polymers and a filler, wherein the rubber component is separated into at least two polymer phases: a polymer phase (1) with the highest tan δ peak temperature; and a polymer phase (2) with the lowest peak temperature; the polymer phases (1) and (2) are incompatible with each other; the polymer phase (1) at least comprises the modified conjugated diene-based polymers (A1) and (A2), and the filler; the modified conjugated diene-based polymer (A1) has a particular weight-average molecular weight and a particular contracting factor (g′); and when a filler concentration and an average aggregate area of the filler in the polymer phase (1) are defined as X and Y, respectively, an formula (1): Y<4.8X+1200 is satisfied.

An anti-environmental stress cracking additive particle, wherein the particle may include an anti-environmental stress cracking active phase, a support phase, and a compatibilizing phase, and wherein the particles have an average size of up to 200 μm. Processes for preparing the anti-environmental stress cracking additive may include a solvent/non-solvent process, a free non-solvent process, and solid state methods. A polymer composition may include a matrix polymer and the anti-environmental stress cracking additive. An article may comprise the polymer composition comprising the anti-environmental stress cracking additive particle.