Disclosed is a system for depositing a material. The system comprises a die for extruding the material along a principal deposition direction through an opening of the die. The die comprises a cavity and a protrusion portion. The cavity is configured for r...

Disclosed is a preparation method for modified polypropylene, comprising the following steps: dissolving polypropylene in a solvent; and adding a Lewis acid and an initiator into the solution in which the polypropylene is dissolved, and then performing a g...

This disclosure relates to a film for a tire inner liner including a base film layer that has 3 glass transition temperature peaks and an adhesive layer including a resorcinol-formalin-latex(RFL)-based adhesive, and a method for manufacturing the film for ...

This disclosure relates to a film for a tire inner liner including a base film layer including a copolymer or a mixture of 50 wt% to 95 wt% of a polyamide-based resin and 5 wt% to 50 wt% of a polyether-based resin, and an adhesive layer including a resorci...

A polyolefin microporous membrane, the membrane having, when measured by DSC, a degree of crystallinity of from 65 to 85%, a lamellar crystal/crystal ratio of from 30 to 85%, a crystal length of From 5 nm to 50 nm and an amorphous length of from 3 nm to 30...

An electrochemical cell comprising: a. a positive electrode including: i. a current collector (12) sheet having a pair of opposite surfaces and a pair of opposite edges (13,15); ii. a layer of positive electrode material (14) disposed on each surface of th...

In a method of producing a pneumatic tire comprising a belt comprised of at least two belt layers each constituted with steel cords and a coating rubber covering the cord between a tread and a radial carcass by spirally winding a band-shaped uncured rubber...

A polymer battery module (2) provided with tabs (4) is put in a package (5) and an open end part of the package (5) is heat-sealed by a heat-sealing machine (10). The heat-sealing machine (10) is provided with a pair of sealing heads (10a, 10b) respectivel...