Lg Chem, Ltd

Koza Novel Materials Korea Co., Ltd.

Shanjin Optoelectronics (Suzhou) Co., Ltd.

Youcel Co., Ltd.

Kwang Su Seo

Jang Soon Kim

Jun Man Choi

Woo Yeon Kim

Sang Hwan Kim

Sle Lee

Won Gu Choi

Eun Kyung Park

Seung Won Lee

Jae Sung Hong

Dong Hoon Lim

Ju Yong Seo

Tae Yi Choi

Joo Hyun Lee

Hyun Hee Son

Kwang Joo Lee

Ji Hye Kim

Ho Kyung Song

Jun Hyoung Park

Jun Beom Park

Hyun Cheol Kim

Jeong Min Choi

So Jin Kim

Ji Ho Han

Sera Kim

Kyung Jun Yoon

Seung Ju Noh

Ha Song Yun

Jung Woo Choi

Chan Oh Yoon

Mi Jang

Mi Jin Jang

Bora Yeon

Ki Seung Seo

Jihye Jung

Mi Seon Kim

Hu Young Yoon

Jae Young Cha

Sang Min Shin

Mi Ae Moon

Won Seup Cho

Su Eun Lee

Chi Gwan An

Hokyung Song

Seung Gyu Kim

The present application relates to an adhesive composition and an adhesive film, wherein the adhesive composition includes a prepolymer and a third (meth)acrylate monomer, and the prepolymer is produced by polymerization of a mixture including a photopolymerizable functional group-containing first (meth)acrylate monomer and a second (meth)acrylate monomer.

Adhesive composition and adhesive film

A coating composition is provided. The coating composition of the present application has excellent compatibility between the components. In addition, there is an advantage that the release layer formed from the coating composition of the present application has low transmittance for light having a wavelength of 380 nm or more.

Coating composition

The present disclosure provides a photocurable composition, which has excellent coatability and is capable of providing a coating layer having excellent surface quality and thickness uniformity, a coating layer including a cured product of the photocurable composition, and a substrate for a semiconductor process including the coating layer.

Photocurable composition, coating layer comprising cured product thereof, and substrate for semiconductor process

The present disclosure provides a surface protective film which is used in a process of fabricating an encapsulation layer for an organic light-emitting diode, and makes it possible to prevent bubbles from being generated in the protective film or the surface smoothness of the protective film from being degraded, due to solvent volatilization from the protective film. Specifically, the present disclosure provides a surface protective film including an adhesive layer provided on one surface of a substrate layer, wherein the adhesive layer includes a cured product of an adhesive composition including: a urethane-based resin having a photoreactive group at the end or side chain thereof; a monofunctional (meth)acrylate monomer; a crosslinking agent having two or more photoreactive groups at the end thereof; a photoinitiator; and a photoreactive siloxane additive, the adhesive composition being solvent-free.

Surface protection film

The present disclosure relates to a silicone-based coating composition, and a silicone-based release film including the same, wherein the silicone-based coating composition comprises a silicone-based compound represented by the following Chemical Formula 1 having a weight average molecular weight of greater than or equal to 25,000 g/mol and less than or equal to 70,000 g/mol:

Silicone-based coating composition and silicone-based release film comprising same

A pressure-sensitive adhesive composition and a use thereof are provided. The present application can provide a pressure-sensitive adhesive composition which has excellent performance to block ultraviolet rays including a blue region of 380 nm or more and exhibits excellent durability upon reliability evaluation without deteriorating the optical characteristics of a polarizing plate when applied to the polarizing plate. The pressure-sensitive adhesive composition of the present application can be used, for example, for a polarizing plate and an organic light emitting device.

Adhesive composition and use thereof

Provided is a multilayer adhesive tape having excellent step coverage and reworkability. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which the intermediate adhesive layer includes an intermediate adhesive polymer including: a polymerization unit of an alkyl group-containing (meth)acrylate monomer; a polymerization unit of a carboxyl group-containing monomer; and a polymerization unit of an acrylamide-based monomer.

Multilayer adhesive tape

A multilayer adhesive tape in which an interface separation between layers does not occur even at in extremely low temperature atmosphere is provided. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which attaching force among the first outer adhesive layer, the intermediate adhesive layer, and the second outer adhesive layer is maintained after the multilayer adhesive tape is treated in liquefied nitrogen for 15 seconds.

Multi-layer adhesive tape

A method of preparing an acrylic adhesive, in which the durability of an adhesive film may be improved through additional photocuring and the residual components according to solution photopolymerization are efficiently removed, and an adhesive film prepared therefrom.

Method of preparing acrylic adhesive and adhesive film prepared therefrom

The present invention provides an adhesive composition that exhibits excellent adhesive force, and can be easily separated by photocuring during a peeling step, in which foaming and lifting are not generated even after a high temperature process.

Adhesive composition

A method for manufacturing a low molecular weight acrylic resin, and more particularly, to a method for manufacturing a low molecular weight acrylic resin having a high conversion rate and a low poly dispersion index includes maintaining the temperature of a reacting part with a screw stirrer at a specific temperature during a continuous polymerization of a solvent-free acrylic composition in a continuous flow reactor having the reacting part.

Method for manufacturing low molecular weight acrylic resin

The present application relates to a photocurable solventless pressure-sensitive adhesive composition, a pressure-sensitive adhesive polarizing plate and a display device. According to the present application, a pressure-sensitive adhesive composition, a polarizing plate and a liquid crystal device, which have excellent durability and antistatic abilities, can be provided.

Pressure-sensitive adhesive composition, polarizing plate, and optical member

A photocurable composition is provided. The photocurable composition includes: a urethane acrylamide oligomer derived from a first urethane prepolymer having an isocyanate end group and a polar group-containing acrylamide; a urethane acrylate oligomer derived from a second urethane prepolymer having an isocyanate end group and a polar group-containing (meth)acrylate; and an amide group-containing acrylic polymer derived from acrylamide and a polar group-containing (meth)acrylate.

Photocurable composition and coating layer including cured product thereof

A multilayer adhesive tape exhibiting high step coverage and having both high reworkability and excellent punchability is provided. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which a glass transition temperature of the intermediate adhesive layer is &#x2212;40&#xb0; C. or more and 0&#xb0; C. or less, a glass transition temperature of each of the first outer adhesive layer and the second outer adhesive layer is &#x2212;60&#xb0; C. or more and &#x2212;20&#xb0; C. or less, and a difference in glass transition temperature between each of the first outer adhesive layer and the second outer adhesive layer and the intermediate adhesive layer is 5&#xb0; C. or more and 25&#xb0; C. or less.

Provided is an adhesive composition for an optical use, including: a first isobutylene-isoprene-based rubber having a weight average molecular weight (Mw) of 100,000 g/mol to 1,000,000 g/mol; and a second isobutylene-isoprene-based rubber having a weight average molecular weight (Mw) of 5,000 g/mol to 100,000 g/mol, in which the first isobutylene-isoprene-based rubber and the second isobutylene-isoprene-based rubber each include a hydroxy group. Further, provided is an adhesive layer including a thermally cured product of the adhesive composition for optical use.

Adhesive composition for optical use and adhesive layer for optical use comprising cured product thereof

Growing community of inventors

Daejeon, South Korea

Kwang Su Seo