The application relates to an aromatic polyamide composite separator, a method for preparing the same, and a secondary battery having the same. The aromatic polyamide composite separator includes glass fiber and an aromatic polyamide. The composite separator has a thermal shrinkage percentage of less than 3% at 300 C. A method for preparing the aromatic polyamide composite separator is also provided. The composite separator of the application exhibits excellent mechanical performance and heat resistance, which is especially applicable to secondary batteries.

The application relates to an aromatic polyamide composite separator, a method for preparing the same, and a secondary battery having the same. The aromatic polyamide composite separator includes glass fiber and an aromatic polyamide. The composite separator has a thermal shrinkage percentage of less than 3% at 300 C. A method for preparing the aromatic polyamide composite separator is also provided. The composite separator of the application exhibits excellent mechanical performance and heat resistance, which is especially applicable to secondary batteries.

Provided is a positive type photosensitive resin composition including: a polymer compound which contains, in a main chain thereof, a sulfonamide group and a structure represented by Formula A-1; and an infrared absorbent. In Formula A-1, X represents NR.sup.1, S, or O, R.sup.1 represents a hydrogen atom or an alkyl group, and each symbol * independently represents a bonding position with respect to another structure.

##STR00001##

Provided is a positive type photosensitive resin composition including: a polymer compound which contains, in a main chain thereof, a sulfonamide group and a structure represented by Formula A-1; and an infrared absorbent. In Formula A-1, X represents NR.sup.1, S, or O, R.sup.1 represents a hydrogen atom or an alkyl group, and each symbol * independently represents a bonding position with respect to another structure.

##STR00001##

The present invention provides a novel process that involves a reliable, robust, reproducible, and cost effective casting technique for a shutdown separator with, for example, a combination of poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP) copolymer, polysulfonamide (PSA)/polyether imide (PEI), and CaCO3 powder, and for a non-shutdown separator with, for example, a combination of polysulfonamide (PSA)/polyether imide (PEI), filler/plasticizer, and metal oxide nanostructures (SiO2, TiO2, and Al2O3).

The present invention provides a novel process that involves a reliable, robust, reproducible, and cost effective casting technique for a shutdown separator with, for example, a combination of poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP) copolymer, polysulfonamide (PSA)/polyether imide (PEI), and CaCO3 powder, and for a non-shutdown separator with, for example, a combination of polysulfonamide (PSA)/polyether imide (PEI), filler/plasticizer, and metal oxide nanostructures (SiO2, TiO2, and Al2O3).

The present invention provides a novel process that involves a reliable, robust, reproducible, and cost effective casting technique for a shutdown separator with, for example, a combination of poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP) copolymer, polysulfonamide (PSA)/polyether imide (PEI), and CaCO3 powder, and for a non-shutdown separator with, for example, a combination of polysulfonamide (PSA)/polyether imide (PEI), filler/plasticizer, and metal oxide nanostructures (SiO2, TiO2, and Al2O3).

Polycarbonate blend compositions are disclosed. The compositions include at least one polycarbonate and one photochromic dye. The compositions can include at least one poly(aliphatic ester)-polycarbonate. The compositions can be used to prepare articles of manufacture.

Polycarbonate blend compositions are disclosed. The compositions include at least one polycarbonate and one photochromic dye. The compositions can include at least one poly(aliphatic ester)-polycarbonate. The compositions can be used to prepare articles of manufacture.

Disclosed are a polysulfone amide compound having a repeating unit represented by formula (1) (in formula (1), R.sup.1-R.sup.8 each independently represent a hydrogen atom or a monovalent organic group, X represents a divalent linking group which is not conjugated with a benzene ring to be linked thereto, and Y represents a divalent aromatic residue), and a resin composition comprising the polysulfone amide compound.

##STR00001##