A resin composition containing a polyimide resin particle (A) and at least one selected from the group consisting of a thermoplastic resin (B) and a thermosetting resin (C), wherein the polyimide resin particle (A) contains a repeating structural unit represented by the following formula (1) and a repeating structural unit represented by the following formula (2), a content ratio of the repeating structural unit of the formula (1) with respect to the total of the repeating structural unit of the formula (1) and the repeating structural unit of the formula (2) is 20 to 70 mol %, and the polyimide resin particle (A) has a volume average particle size D50 of 5 to 200 μm.

(R.sub.1 represents a divalent group having from 6 to 22 carbon atoms containing at least one alicyclic hydrocarbon structure; R.sub.2 represents a divalent chain aliphatic group having from 5 to 16 carbon atoms; and X.sub.1 and X.sub.2 each independently represent a tetravalent group having from 6 to 22 carbon atoms containing at least one aromatic ring.)

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A fiber-reinforced resin molding material includes at least components (A) to (D), wherein the fiber-reinforced resin molding material has a weight loss on heating, when heated at 300° C. for 10 minutes either in a nitrogen atmosphere or in an air atmosphere, of 1.5% or less, and components (A) to (D) are:

(A) an amorphous thermoplastic resin: 100 parts by weight
(B) a reinforcement fiber: 4 to 60 parts by weight
(C) a phosphorus-based flame retardant: 20 to 60 parts by weight
(D) an antioxidant (D): 1.0% by weight or more.

A dry granulation process using a twin-screw extruder for granulating a powder mixture which includes at least one active ingredient and at least one carrier. The process includes steps of kneading the powder mixture in the screw barrel of the twin-screw extruder at a barrel temperature below a melting point of the at least one active ingredient and a melting point or a glass transition temperature of the at least one carrier to provide a kneaded powder mixture, and extruding the kneaded powder mixture to form granules. Granules and tablets produced using the dry granulation process in the twin-screw extruder are also provided.

A method and an apparatus (1) for the production of a compound used for the manufacture of an article made from rubber or a pneumatic tyre by means of a continuous mixer (2) divided into a mixing section (MS) wherein the mixing of the components of the compound being processed exclusively takes place; a reaction section (RS) located downstream of the mixing section (MS) wherein a mild reaction of the compound being processed is activated; wherein, the reaction section (RS) is provided with heating means for increasing the temperature of the compound being processed in relation to the temperature of the compound being processed within the mixing section (MS); and a cooling section (CS) located downstream of the reaction section (RS) and provided with means for the cooling of the compound being processed down to a temperature that will inhibit further development of the reaction that takes place within the reaction section (RS).

The present invention relates to polypropylene particles and a method for preparing same, the polypropylene particles being formed from a polypropylene resin, and having a melting index (M.I.) of 1000 g/10 min or more when the particles are re-melted under a temperature condition of 150° C. to 250° C. and a condition of atmospheric pressure to a pressure of 15 MPa.

A minute cutting apparatus for a superabsorbent polymer hydrogel using a pump is disclosed. An embodiment of the present invention provides the minute cutting apparatus, including: a barrel body in which a transfer space through which the hydrogel is transferred is formed; a pumping unit installed in the barrel body to supply a pressing force to the transfer space, a rotation shaft rotatably installed in the transfer space of the barrel body; a driving motor configured to provide a rotational driving force to rotation shaft; a cutter member installed on the rotation shaft to pulverize the hydrogel transferred by the pressing force in the transfer space; and a perforated plate installed in the barrel body to discharge the hydrogel pulverized by the cutter member to an outside of the barrel body.

A golf ball material contains (i) fine particles that have an average particle size of less than 300 μm and are composed of a crosslinked multi-component copolymer having conjugated diene units, non-conjugated olefin units and aromatic vinyl units; and (ii) a thermoplastic resin. The conjugated diene units include butadiene units, the non-conjugated olefin units include units selected from the group consisting of ethylene, propylene and 1-butene units, the aromatic vinyl units include styrene units, and the content of the conjugated diene units in the multi-component copolymer is 5 wt % or more. This golf ball material is soft, has an excellent rebound resilience and also has a good processability.

One aspect of the present invention relates to a method for producing a hot-melt adhesive, comprising: introducing a fluid into a heating kneader while or after kneading a hot-melt adhesive material in a liquid state, at an amount of 0.3 parts by mass or more with respect to 100 parts by mass of the hot-melt adhesive material; and performing vacuuming while heating stirring or dispersing the hot-melt adhesive material and the fluid so as to come into contact with each other.

The present rotary extruder includes: a rotor having a cylindrical surface centered on a rotor axis extending in a horizontal direction; and a casing having an inner peripheral surface that defines a bore, wherein: the casing defines an input port into which a resin material including a thermoplastic resin is fed, and a discharge port from which a plasticized molten resin is discharged; the cylindrical surface of the rotor and the inner peripheral surface of the casing are arranged eccentric with each other, thereby forming a gap whose cross section is crescent-shaped, extending in a rotation direction of the rotor from the input port to the discharge port between the inner peripheral surface and the cylindrical surface; and the input port is arranged at a top portion of the casing and the discharge port is arranged at a lower portion of the casing.

The present invention discloses a method for preparing high-melt-strength polylactide resin by two-step reaction, which comprises the following steps: mixing polylactide resin and GMA to obtain a premix; mixing multifunctional reactive monomer, a peroxide initiator and organic solvent to obtain a monomer mixture; and adding the premix and the monomer mixture into a screw extruder in sections, after melting, blending, extruding, cooling, pelletizing and drying to obtain a high melt strength polylactide resin. The method of the present invention has a simple production process, can be adapted to large-scale industrial production, the graft modification reaction is rapid and controllable, and the obtained product is safe without residue and high in purity. The high-melt-strength polylactide resin has a low melt flow index, high complex viscosity and storage modulus, and is a green polymer material with wide application prospects.