Samyang Corporation

Daejeon, South Korea

Samyang Corporation

Daejeon, South Korea

Time filter

Source Type

The present invention relates to a polysulfone copolymer with excellent heat resistance and chemical resistance, and a method for preparing the same and, more specifically, to a polysulfone copolymer and a method for preparing the same, wherein the polysulfone copolymer comprises, as repeat units, a sulfone-based compound, and an anhydrosugar alcohol, which is a biogenic material, and thus the polysulfone copolymer can solve a problem of an exhaustion of petroleum resources, which are limited resources; does not emit carbon dioxide regardless of the disposal after use, and thus is eco-friendly; and has significantly improved heat resistance and chemical resistance compared with existing polysulfone copolymers.


Patent
Samyang Corporation | Date: 2014-04-15

A novel the Ensifer adhaerens strain isolated from soil and a method of producing psicose using the same are provided.


Patent
Samyang Corporation and Korea Research Institute of Chemical Technology | Date: 2015-01-19

The present invention relates to a novel -oximester fluorene derivative compound, a photopolymerization initiator comprising the same, and a photoresist composition.


Patent
Samyang Corporation and Korea Research Institute of Chemical Technology | Date: 2016-11-23

The present invention relates to a novel -oximester fluorene derivative compound, a photopolymerization initiator comprising the same, and a photoresist composition.


Patent
Korea Research Institute of Chemical Technology and Samyang Corporation | Date: 2015-03-11

Provided are a novel fluorene oxime ester compound, and a photopolymerization initiator and a photoresist composition containing the same.


The present invention relates to a thermoplastic copolymer resin having an excellent flame retardancy and transparency and a preparation method therefor and, more particularly, to a thermoplastic copolymer resin having an excellent balance of physical properties such as a transparency, a fluidity, a low temperature impact strength as well as a flame retardancy, a preparation method therefor, and a molded article comprising the thermoplastic copolymer resin, in which the thermoplastic copolymer resin is obtained by copolymerizing polysiloxane having a particular structure and a branched polycarbonate oligomer.


Provided are a hydroxy-terminated siloxane, a polysiloxane-polycarbonate copolymer including same as a repeating unit, and a preparation method thereof. The hydroxyl-terminated siloxane has the structure of chemical formula 1.


The present invention relates to a thermoplastic copolymer resin having an excellent flame retardancy and transparency and a preparation method therefor and, more particularly, to a thermoplastic copolymer resin having an excellent balance of physical properties such as a transparency, a fluidity, a low temperature impact strength as well as a flame retardancy, a preparation method therefor, and a molded article comprising the thermoplastic copolymer resin, in which the thermoplastic copolymer resin is obtained by copolymerizing polysiloxane having a particular structure and a branched polycarbonate oligomer.


A psicose 3-epimerase, a polynucleotide encoding the enzyme, a recombinant vector carrying the polynucleotide, a recombinant cell harboring the recombinant vector, and use thereof are provided.


Patent
Samyang Corporation | Date: 2016-11-02

A novel the Ensifer adhaerens strain isolated from soil and a method of producing psicose using the same are provided.

Loading Samyang Corporation collaborators
Loading Samyang Corporation collaborators