Hyundai Motor Company

Kia Corporation

Lg Hausys, Ltd.

Lotte Chemical Corporation

Gs Caltex Corporation

Dae Ha Co., Ltd.

Hanwha Totalenergies Petrochemical Co., Ltd.

Hdc Hyundai Engineering Plastics Co., Ltd.

Seung Ryong Jeong

Chun Ho Park

Dong Eun Cha

Hee Joon Lee

Sun Jun Kwon

Jin Young Yoon

Seung Mok Lee

Nam Cheol Kim

Kwang Jae Choi

Eun Hwa Jang

Hyung Tak Lee

Tae Kyung Lee

Sung Jun Hong

Woo Jin Jung

Jeong Gil Ko

Kwan Suk Ryu

Kyung Hwan Lim

Jin Bo Chae

Yoon Hwan Lee

Seok Jin Yong

The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. The thermoplastic resin composition includes a first propylene-ethylene copolymer, a second propylene-ethylene copolymer, a thermoplastic elastomer, an inorganic filler, and a sodium-phosphate-based nucleating agent as appropriate, and thus a molded article produced therefrom can exhibit improved mechanical rigidity, impact resistance, and dimensional stability. Even when formed to a low thickness for weight reduction, the molded article can be imparted with excellent processability, high tensile strength, a high flexural modulus, and high impact strength.

Thermoplastic resin composition having high rigidity and low coefficient of linear thermal expansion and molded article comprising same

The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a base resin including at least two polypropylene-based resins having different melt indexes, an elastomer having a melt index (190° C., 2.16 kg) of 20 g/10 min to 35 g/10 min as measured by ASTM D1238, and inorganic particles, and has a flexural modulus (FM) of 2,500 MPa or more and a coefficient of linear thermal expansion (CLTE) of 60 μm/m° C. or less.

The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a polypropylene-based resin having an isotactic pentad fraction of 96% or more as measured byC-NMR, a thermoplastic elastomer, an inorganic filler having an average particle diameter of 0.1 μm to 5 μm, and a compatibilizer, and has a flexural modulus of 2,500 MPa or more and a coefficient of linear thermal expansion of 60 μm/m·° C. or less.

Polyolefin resin composition having high rigidity and low coefficient of linear thermal expansion and weight-reduced automobile part comprising same

The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a polypropylene composite resin including high-crystalline polypropylene and the like, an elastomer, and an inorganic filler.

The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a first polypropylene resin having crystallinity of 50% to 80%, a second polypropylene resin having a coefficient of linear thermal expansion of 70 &#x3bc;m/m&#xb7;&#xb0; C. to 90 &#x3bc;m/m&#xb7;&#xb0; C., an elastomer, and an inorganic filler.

A method of making a side step of a vehicle includes a bracket that is mounted to a vehicle body and an insert main body that bears weight of passengers. The bracket and the insert main body are integrally provided by using a CFT material through insert-molding, and an injection molding resin is coupled to all over the insert main body where the bracket is coupled through insert-molding so as to form a main frame of the side step.

Method of making side step for vehicle

Growing community of inventors

Seoul, South Korea

Seung Ryong Jeong