Sk Innovation Co., Ltd.

Sk Global Chemical Co., Ltd.

Sk Global Chemical

Seung Gweon Hong

Kwang Jin Chung

Jae Young Park

Myung Ahn Ok

Tae Wook Kwon

Ji Yeon Choi

Hye Lim Kim

Young Hyo Park

Yun Kyun Lee

Myungahn Ok

Kwangjin Chung

Jae Suk Koh

HyeLim Kim

Min Ho Jeon

Ki Nam Chung

Jae Myoung Son

Sung Gi Lee

Yang Eun Lee

Kang Min Jung

Yong Gu Lee

Sung Ik Kim

Jae Koo Kim

Hao Wang

In Hun Son

Gyu Hoe Kim

The present invention relates to a polymer composition having improved processability by containing a polyalkylene carbonate resin and a film using the same.

Polymer composition containing polyalkylene carbonate resin and film using the same

A polyalkylene carbonate resin composition with interpenetrating network structure includes an aliphatic polycarbonate obtained through a reaction of carbon dioxide with at least one epoxide compound selected from the group consisting of (C2-C10)alkylene oxide substituted or unsubstituted with halogen or alkoxy, (C4-C20)cycloalkylene oxide substituted or unsubstituted with halogen or alkoxy, and (C8-C20)styrene oxide substituted or unsubstituted with halogen, alkoxy, alkyl or aryl, at least one compound selected from a polyol compound, an epoxy compound and an acryl compound, and a curing agent for polymerization or networking.

Polyalkylene carbonate resin composition having an interpenetrating crosslinked structure

Provided are an aliphatic polycarbonate-polyurethane composition and an aliphatic polycarbonate-polyurethane polymer using the same.

Aliphatic polycarbonate-polyurethane composition and aliphatic polycarbonate-polyurethane resin

The present invention relates to a poly(alkylene carbonate) capsule in which a heterogeneous resin is applied on a surface of poly(alkylene carbonate), and a method of manufacturing the same, and provides a poly(alkylene carbonate) capsule preventing blocking where particles agglomerate each other when a resin having surface stickiness at a glass transition temperature or higher is processed in a pellet or chip state and circulated, and a method of manufacturing the same.

Method of encapsulating poly(alkylene carbonate) and mixture particles thereof, and use thereof

Provided is a hot-melt adhesive composition having a cold resistance, and more particularly, a hot-melt adhesive composition including an aliphatic polycarbonate resin obtained by copolymerization of carbon dioxide and polypropylene oxide, and a cold resistance improver.

Composition of the hot-melt adhesive improved cold resistance

Provided is a compounding resin composition containing a compatibilizer, based on polyalkylene carbonate and polyolefin or biodegradable polyester. According to the present invention, a polyalkylene carbonate resin composition capable of improving mechanical properties such as tensile strength, elongation, tearing strength, and the like, or physical properties such as adhesive force, oxygen and moisture barrier properties, heat stability, flexibility, and the like, by preparing and applying the compatibilizer for improving compatibility of the compounding resin, and a multilayer film and a molded product manufactured using the same may be provided.

Polyalkylene carbonate resin composition

Provided herein are a method for preparing a resin composition for an expandable polypropylene carbonate and an expandable polypropylene carbonate prepared therefrom. More particularly, the present invention relates to a method for preparing a resin composition for an expandable polypropylene carbonate capable of using supercritical carbon dioxide as a foaming agent and preparing a foam having excellent moldability by an appropriate foaming method, and an expandable polypropylene carbonate prepared therefrom. The expandable polypropylene carbonate capable of having high magnification, excellent thermal stability, and dimensional stability may be prepared by using the resin composition according to the present invention.

Method for preparing resin composition for expandable polypropylene carbonate and expandable polypropylene carbonate prepared therefrom

Provided is a method for improving thermal stability of polypropylene carbonate and, more particularly, a method of end capping a molecular chain of polypropylene carbonate using a urethane group by adding isocyanates or diisocyanates to a polypropylene carbonate resin, which may optionally be a mixture containing tertiary polyol, so as to delay thermal degradation of the polypropylene carbonate at a high temperature, thereby securing desired thermal stability. Especially, the method capable of being easily applied to reactive extrusion after preparing the polypropylene carbonate has been proposed, thus simplifying production processes and ensuring economical advantages. Moreover, the above method does not deteriorate transparency and specific smoke density characteristics at combustion, which are advantages of the polypropylene carbonate.

Method for improving thermal stability of polypropylene carbonate

The present invention provides an ester plasticizer for polyvinyl chloride (PVC) resin, epoxy resin or urethane resin and a method of preparing the same. More particularly, the present invention provides an ester plasticizer using triacetin and coconut oil-based biodiesel as raw materials, which can prepare a resin composition having excellent plasticizing efficiency and improved physical properties such as tensile strength and the like. When a polyvinyl chloride resin or the like is manufactured using the ester plasticizer, there are advantages in that an environment-friendly product having an excellent plasticizing efficiency and in that the physical properties such as hardness, tensile strength, etc. of the product are improved.

Plasticizer and method of preparing the same

Disclosed is a polyalkylene carbonate paint composition, which is a pre-coated metal (PCM) paint composition capable of being applied in various fields for architectural uses, domestic uses, coating a can, or the like, in which high hardness is required. The composition may provide a PCM paint capable of having a low smoke density and significantly decreasing discharge of toxic gas and smoke caused by combustion at the time of fire as compared to the existing laminate steel sheet and high gloss film. In addition, disclosed is a high hardness paint composition capable of being usefully used in a PCM print steel sheet applied to electric home appliances due to an excellent adhesion property to a metal material and excellent durability.

Polyalkylene carbonate diol paint composition

Provided is an eco-friendly poly(propylene carbonate) resin composition for a sheet, which is characterized by using a poly(alkylene carbonate) resin developed by efficiently utilizing carbon dioxide, which is a major contributor to global warding, as a main material, and including appropriate additives, such as, a strength modifier, and a flexibilizer, thereby completely solving environmental hazards controversy of the existing polyvinyl chloride resin products; exhibiting excellent mechanical and thermal properties, processability, post processability (printability, embossing and surface treatment, laminating characteristics) and superior anti-flaming property (low smoke density) and elongation characteristics as compared with the existing polyvinyl chloride resin products; and overcoming an extruding production method which is a small-sized production manner, corresponding to a big defect in thermoplastic plastics emerged as substitutes for polyvinyl chloride resin products and thus applying a calendering process method which is a mass production manner.

Eco-friendly poly(alkylene carbonate) resin composition for high-transparency and high-gloss sheet

The invention relates to a diol-ester based plasticizer prepared by reacting a diol and a carboxylic acid for use with a polyvinyl chloride resin composition to impart improved physical properties, such as hardness and tensile strength.

Growing community of inventors

Daejeon, South Korea

Seung Gweon Hong