Disclosed is a porous structure including water-soluble chitosan; and a carboxymethyl cellulose-based compound, wherein a weight ratio of the water-soluble chitosan and the carboxymethyl cellulose-based compound is from 65:35 to 25:75, and a process for preparing the same.

A method for producing a foam-molded product by using a plasticizing cylinder, includes: plasticizing and melting the thermoplastic resin to provide the molten resin in a plasticization zone of the plasticizing cylinder; introducing a pressurized fluid containing the physical foaming agent at a fixed pressure into a starvation zone of the plasticizing cylinder to retain the starvation zone at the fixed pressure; allowing the molten resin to be in the starved state in the starvation zone; bringing the molten resin in contact with the pressurized fluid containing the physical foaming agent at the fixed pressure, in the starvation zone in a state in which the starvation zone is retained at the fixed pressure; and molding the molten resin having been brought in contact with the pressurized fluid containing the physical foaming agent into the foam-molded product.

A molding machine configured to achieve space saving and simplification of the hydraulic circuit. Provided is a molding machine configured to form a molded body by closing, in a state where a parison is disposed by injecting molten resin between first and second molds capable of being opened and closed, the first and second molds and maintaining pressure applied to the first and second molds. A hydraulic circuit to conduct oil for generating hydraulic pressure; the flow adjustment valve, a pressure adjustment valve, and a path control valve included in the hydraulic circuit; and a multi-functional valve unit.

The present application relates to a thermally expandable composition which comprises at least one organic compound comprising at least two cyclic carbonate groups, at least one compound having at least one functional group with a pKa value of greater than 3 and at least one base, to shaped bodies which contain said composition, and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type.

The present paper cup comprises a cup body, and the cup body comprises inner paper and outer paper. There are hollow bulges on the outer paper, and the outer paper forms a connecting part. The inner side of the connecting part bonds to the outer side of the inner paper, and the cup rim of the outer paper extends to the cup rim of the inner paper. In addition, the outer side of the cup rim of the inner paper bonds to the inner side of the outer paper, and both cup rims of the outer paper and the inner paper bend outward to form a double layered crimping. The manufacturing process for the present paper cup includes: paper preparation, rolling, composition, sheet cutting, forming, molding and etc.

A composition [composition (C)] comprising: from 0.1 to 99.8% by weight (wt. %) of at least one poly(aryl ether ketone) polymer having a melt flow rate (MFR) equal to or higher than 8 g/10 min at 400 C. and under a load of 2.16 kg, as measured in accordance with ASTM method D1238 [(PAEK.sub.HMF) polymer], from 0.1 to 30 wt. % of at least one poly(tetrafluoroethylene)polymer having a D50 particle size equal to or below 10 m, and having a melting temperature equal to or below 324 C. [(PTFE) polymer], and from 0.1 to 30% wt. % of at least one carbon fiber, and wherein all % are based on the total weight of the composition (C).

A composition [composition (C)] comprising: from 0.1 to 99.8% by weight (wt. %) of at least one poly(aryl ether ketone) polymer having a melt flow rate (MFR) equal to or higher than 8 g/10 min at 400 C. and under a load of 2.16 kg, as measured in accordance with ASTM method D1238 [(PAEK.sub.HMF) polymer], from 0.1 to 30 wt. % of at least one poly(tetrafluoroethylene)polymer having a D50 particle size equal to or below 10 m, and having a melting temperature equal to or below 324 C. [(PTFE) polymer], and from 0.1 to 30% wt. % of at least one carbon fiber, and wherein all % are based on the total weight of the composition (C).

The present invention relates to an expanded beads molded article, which is obtained through in-mold molding of expanded thermoplastic elastomer beads, has voids, and has a density of 150 to 300 kg/m.sup.3 and a voidage of 10 to 70% by volume.

The purpose of the present invention is to provide a molded article and a manufacturing method for a molded article by which it is possible to mitigate deformation of an opening. The present invention provides a molded article comprising a cylindrical base and an opening provided in the base, wherein a rib is provided adjacent to the opening. The present invention provides a manufacturing method for a molded article that includes a molded body formation step for forming a molded body having a cylindrical portion provided at one end thereof with an occlusion by molding a melted resin, and a cut-off step for cutting off the occlusion by cutting the cylindrical portion, wherein in the cut-off step, the cutting is performed in a state where a side wall of the cylindrical portion is warped in-plane by an external force.

Provided are resin foam particles that enable shaping of a sound absorbing member having excellent sound absorption performance through a resin foam shaped product. Also provided is a laminate that includes a resin foam shaped product as a base material and with which high sound absorption performance can be obtained even when the laminate is a thin material. The resin foam particles contain a resin and have a recessed external part. A ratio .sub.0/.sub.1 of density of the resin .sub.0 and true density .sub.1 of the resin foam particles is 2 to 20, and a ratio .sub.1/.sub.2 of true density .sub.1 of the resin foam particles and bulk density .sub.2 of the resin foam particles is 1.5 to 4.0.