A polymer composition of polypropylene copolymer and 1 to 50% by weight of hard resin. The polypropylene copolymer is either an impact copolymer or a random copolymer. The polymer composition can be used to make injection stretch blow molded articles having improved top load strength.

A method enabling the selection, modification and/or creation of polymer materials which can provide improved response to the application of local shear and/or extensional deformation inside the polymer melt in manufacturing technologies including injection molding, injection stretch blow molding, direct injection, extrusion blow molding, sheet extrusion, thermoforming, etc., is provided. A method for manufacturing a polymer article includes injecting or extruding molten polypropylene, polyethylene or polyester based polymer for converting it into semi-final shape while applying shear and/or extensional deformation on the polymer melt. Applying shear and/or extensional deformation on the polymer melt includes selectively modifying the flow path of the molten semi-crystallizable polymer as a function of local pressure profile over at least part of the flow path. Local pressure profile is a function of optimized response of the polymer melt to the applied local shear and/or extensional deformation over at least the part of the flow path.

Described herein are polymeric composites that can include a kaolin filler dispersed within a thermoplastic polymer matrix. The kaolin filler can exhibit an aspect ratio of from 20 to 50, as measured by laser scattering, a mean particle size of from 0.75 microns to 2 microns e.s.d., as measured by Sedigraph, or a combination thereof. In some embodiments, the kaolin filler exhibits a ratio of aspect ratio to mean particle size ranges from 4 to 5, as measured by laser scattering. In some embodiments, less than 30% by weight of the kaolin filler exhibits a particle size of less than 0.5 microns e.s.d., as measured by Sedigraph. The composites can exhibit improved mechanical properties such as flexural strength, tensile strength, and heat deflection temperature. The composites can be used to form articles, for example, by thermoforming.

Provided is a stretched body having a high barrier property under high humidity, a PET bottle, and a method for producing a container. The stretched body of a composition containing a semi-aromatic polyamide resin and plate-shaped talc having an aspect ratio of more than 18, a content of the plate-shaped talc having an aspect ratio of more than 18 in the composition is from 3.0 to 55.0 mass % when a total content of the semi-aromatic polyamide resin and the plate-shaped talc having an aspect ratio of more than 18 is 100 mass %.

A method of manufacturing a polypropylene vessel using a single-step injection stretch blow molding machine using a heat-conditioning step. The method may include providing a chemical composition comprising polypropylene, forming a preform vessel of the chemical composition in a second shape, heating the preform vessel at a plurality of positions on the preform vessel with heat pots, wherein each of the heat pots is configured to heat a corresponding one of the plurality of positions on the preform vessel by raising a temperature of the heat pot to a respective temperature, wherein each respective temperature of each of the heat pots is different from another respective temperature of another of the heat pots, wherein the temperatures of the heat pots are based on the desired first shape of the product. The method may include forming, from the heated and expanded preform, a second vessel in a desired first shape.

The invention relates to a polyamide composition comprising: a. A semi-crystalline polyamide; b. An impact modifier in an amount ranging from 1 wt % to 50 wt %; c. A branching agent in an amount ranging from 0.01 to 6.0 wt %; d. An inorganic stabilizer in an amount ranging from 0.01 wt % to 2.0 wt %; e. An organic stabilizer E1 comprising a primary antioxidant group in an amount ranging from 0.01 wt % to 2.0 wt and an organic stabilizer E2 comprising a hindered amine group in an amount ranging from 0.01 wt % to 4.0 wt %; or an organic stabilizer E3 comprising a primary antioxidant group and a hindered amine group in an amount ranging from 0.02 to 6.0 wt %; or a combination of E1, E2 and E3 in a total amount of 0.02 to 6.0 wt %; wherein all wt % are based on the total amount of polyamide composition. The invention also relates to a process for preparing a container by blow molding this composition, as well as use of the container in various applications.

Disclosed herein is an oxygen scavenging composition for containers. The oxygen scavenging composition for containers may comprise at least one polyester component, a transition metal catalyst, an oxygen scavenger, and a vegetable oil. The vegetable oil preferably comprises at least one molecule having a double allylic structure. The polyester component preferably comprises at least one acid unit and at least one diol unit. The concentration of double allylic structures of the vegetable oil in the composition may be greater than 5.0 meq/kg of all of the polyester components. The oxygen scavenger is preferably present in the composition at a level less than 1.0% by weight of the total composition. The vegetable oil is preferably present in the composition at a level greater than 0.3% by weight relative to the total weight of the polyester components, the transition metal catalyst and the vegetable oil.

A parison for being blow molded into a medical balloon for a catheter includes a first tubular layer having a functional modification and a second tubular layer adapted for bonding with the first tubular layer to form the blow molded balloon. Related methods are disclosed.

A method for producing a cellulose product from a multi-layer cellulose blank structure, wherein the method comprises the steps; forming the multi-layer cellulose blank structure from at least a first layer of dry-formed cellulose fibres and a second layer of a cellulose fibre web structure, through arranging the at least first layer and second layer in a superimposed relationship to each other and in the superimposed relationship arranging the at least first layer and second layer in contact with each other; arranging the multi-layer cellulose blank structure in a forming mould; heating the multi-layer cellulose blank structure to a forming temperature in the range of 100° C. to 300° C., and forming the cellulose product from the multi-layer cellulose blank structure in the forming mould, by pressing the heated multi-layer cellulose blank structure with an isostatic forming pressure of at least 1 MPa, preferably 4-20 MPa, wherein the multi-layer cellulose blank structure is shaped into a two-dimensional or three-dimensional fibre composite structure having a single-layer configuration.

The present invention relates to a polyester container. The polyester container is formed from a polyester resin containing a particular content of diol moieties derived from isosorbide and diethylene glycol, and thus can show high transparency in spite of a great wall thickness thereof.