-
11.发明公开公开(公告)号：US20240208191A1
公开(公告)日：2024-06-27
申请号：US18550460
申请日：2022-04-11
发明人： Mi Ok OH , Deuk-Young LEE , Jewon YEON
CPC分类号： B32B27/36 , B32B27/08 , C08L67/04 , B32B2250/02 , B32B2250/244 , B32B2270/00 , B32B2307/308 , B32B2307/412 , B32B2307/518 , B32B2307/54 , B32B2307/7376 , B32B2367/00 , B32B2439/00
摘要： The present invention relates to a biaxially stretched film containing polylactic acid (PLA) and polyhydroxy alkanoate (PHA), a laminate, and an eco-friendly packaging material comprising the film. Specifically, the biaxially stretched film of the present invention contains a specific range of content of PHA and satisfies a specific range of flexibility-noise complex index (LSN), and thus can improve optical and thermal characteristics and reduce the degree of noise, while having excellent strength and flexibility. In addition, the laminate of the present invention comprises first and second layers having a specific composition and thus can attain the improvement in the above characteristics and maintain excellent interlayer adhesive characteristics due to interlayer compatibility of the first and second layers. Therefore, the biaxially stretched film and the laminate can be utilized as packaging materials in various fields, thereby providing high-quality packaging materials.
-
公开(公告)号：US11820874B2
公开(公告)日：2023-11-21
申请号：US16913300
申请日：2020-06-26
发明人： Sang Hun Choi , Jin Woo Lee , Dae Seong Oh , Jung Hee Ki , Sunhwan Kim , Han Jun Kim , Heung Sik Kim
CPC分类号： C08J5/18 , C08G69/265 , C08G73/14 , C08K3/30 , G02B1/00 , C08J2377/06 , C08K2003/3045 , C08K2201/003 , C08K2201/011 , C08K2201/019 , G02F1/13363
摘要： Embodiments relate to a polyamide-based film that is colorless and transparent, is excellent in mechanical properties and optical properties, has a wide angle of view by securing at least a certain level of luminance at various angles, and, in particular, has gloss characteristics similar to those of glass, a process for preparing the same, and a cover window comprising the same. The polyamide-based film comprises a polyamide-based polymer, wherein when the polyamide-based film is placed on a surface light source, light is irradiated from the surface light source, and the luminance value (L0) measured in the normal direction of the surface light source is 100%, the luminance value (L50) measured in the direction of 50° from the normal direction of the surface light source is 25% or more.
-
公开(公告)号：US11805616B2
公开(公告)日：2023-10-31
申请号：US16941709
申请日：2020-07-29
发明人： Sunhwan Kim , Jung Hee Ki , Jin Woo Lee , Dawoo Jeong , Seung Yong Pyun , Yun Hee Seo
IPC分类号： H05K5/03 , H05K5/00 , C08K3/36 , C08K3/30 , C08K3/26 , C08J5/18 , B29C39/14 , B29K79/00 , B29L31/34 , H10K50/84
CPC分类号： H05K5/03 , C08J5/18 , C08K3/26 , C08K3/30 , C08K3/36 , H05K5/0017 , B29C39/14 , B29K2079/08 , B29L2031/3475 , C08J2379/08 , C08K2003/265 , C08K2003/3045 , C08K2201/003 , H10K50/84
摘要： Embodiments relate to a polyimide-based composite film, which comprises a base film comprising a polyimide-based resin; and a functional layer disposed on the base film, wherein when the side of the functional layer located opposite to the side in contact with the base film is referred to as a first side and when the side of the base film in contact with the functional layer is referred to as a second side, the leveling index represented by Equation 1 is less than 0.75.
-
公开(公告)号：US11713378B2
公开(公告)日：2023-08-01
申请号：US16912908
申请日：2020-06-26
发明人： Jung Hee Ki , Sunhwan Kim , Dae Seong Oh , Jin Woo Lee , Sang Hun Choi , Han Jun Kim , Heung Sik Kim
IPC分类号： C08J5/18
CPC分类号： C08J5/18 , C08J2377/00 , C08J2379/08
摘要： The polymer film according to an embodiment comprises at least one polymer resin selected from the group consisting of a polyamide-based resin, a polyimide-based resin, and a polyamide-imide-based resin, and has a haze of 0.6% or less and an in-plane retardation within a specific range for each wavelength band in the visible light region.
The polymer film, which has an in-plane retardation within a specific range for each wavelength band in the visible light region, is excellent in transparency and optical properties, and it can remarkably reduce the rainbow phenomenon and improve the reflection appearance.-
公开(公告)号：US12097685B2
公开(公告)日：2024-09-24
申请号：US17874647
申请日：2022-07-27
发明人： Kwangho Jang , Kweonhyung Han , Jinwoo Park , Atsushi Yoshitake
CPC分类号： B32B27/08 , B32B17/10 , B32B27/281 , B32B27/34 , B32B37/10 , B32B37/203 , B32B2307/412 , B32B2307/51 , B32B2307/536 , B32B2307/538 , B32B2307/54 , B32B2307/732 , B32B2367/00 , B32B2377/00 , B32B2457/20
摘要： Example embodiments relates to a film having excellent mechanical properties with excellent optical properties such as refractive index, haze, yellow index, and the like, light transmitting laminate, use as a cover film, a multi-layered electronic device, and the like comprising the same.
The film comprises an elastic layer, the elastic layer has a refractive index of 1.48 to 1.58, a low temperature damage index is a difference of a tensile modulus and a tensile strength at a certain temperature, and the elastic layer has a low temperature index of 1,300 MPa or less.-
公开(公告)号：US11969978B2
公开(公告)日：2024-04-30
申请号：US17785593
申请日：2020-12-28
CPC分类号： B32B27/36 , B32B7/12 , B32B27/34 , B32B27/40 , B32B2307/306 , B32B2307/51 , B32B2307/538 , B32B2457/20
摘要： A film, a manufacturing method of the film, a cover film, and a multi-layered electronic device include an elastic layer having a storage modulus index KSM of 20 to 350 Mpa represented by Equation 1 below and a haze of 3% or less, thereby providing the film having substantially low storage modulus variations over a wide temperature range, with good mechanical properties such as excellent elastic recovery force and good optical properties such as low haze, and provide the cover film or the multi-layered electronic device including the same.
K
SM
=
(
SM
-
40
×
SM
80
SM
20
)
-
SM
80
[
Equation
1
]
Where SMn is a storage modulus (Mpa) measured at a temperature of n° C.-
公开(公告)号：US20240110031A1
公开(公告)日：2024-04-04
申请号：US18540365
申请日：2023-12-14
发明人： Chul Kyu KIM , Yongdeuk KIM , Joo Ho YANG
CPC分类号： C08J11/06 , B29B17/04 , B32B27/36 , B29B2017/0468 , B29B2017/0476 , B32B2519/00 , C08J2367/02
摘要： The embodiments relate to a polyester film and a process for regenerating a polyester container using the same, which not only solve the environmental problems by improving the recyclability of polyester containers, but also are capable of enhancing the yield and productivity. The polyester film comprises a first layer comprising a first resin comprising a diol component and a dicarboxylic acid component; and a second layer laminated on one side of the first layer and comprising a second resin different from the first resin, wherein when the polyester film is cut with a polyethylene terephthalate container to form flakes and the flakes are thermally treated at a temperature of 200° C. to 220° C. for 60 minutes to 120 minutes, the clumping fraction is 8% or less.
-
公开(公告)号：US20240002589A1
公开(公告)日：2024-01-04
申请号：US18216840
申请日：2023-06-30
发明人： Byeong Jae LIM , Young Min HEO , Chul Kyu KIM
IPC分类号： C08G63/199 , C08J5/18
CPC分类号： C08G63/199 , C08J5/18 , C08J2367/02 , B29C48/08
摘要： A polyester film according to an embodiment includes a polyester resin. The polyester resin includes a repeating unit having a cyclohexane skeleton and a repeating unit having a benzene ring. The polyester film has a base peak related to bending vibration of the benzene ring and a first peak related to C—O stretching vibration in a spectrum measured using a Fourier transform infrared spectrometer (FT-IR). The base peak is a peak at a wavenumber of 788 cm−1 to 798 cm−1. The first peak is a peak at a wavenumber of 1129 cm−1 to 1139 cm−1. The intensity of the base peak and the intensity of the first peak differ by −0.05 to +0.05. According to an embodiment, a polyester resin having a controlled degree of crystallization can be applied to a film to impart excellent heat resistance, mechanical properties, and the like to the film.
-
公开(公告)号：US20230416478A1
公开(公告)日：2023-12-28
申请号：US18203848
申请日：2023-05-31
发明人： Byeong Jae LIM , Young Min HEO , Chul Kyu KIM , Ki Youn SONG
CPC分类号： C08J5/18 , B29C48/022 , B29C48/08 , B29C48/872 , C08J2367/02 , B29K2067/00
摘要： Disclosed is a polyester film comprising a polycyclohexylenedimethylene terephthalate resin having a degree of crystallinity of 36% or less as measured using a differential scanning calorimeter.
-
公开(公告)号：US20230392042A1
公开(公告)日：2023-12-07
申请号：US18133785
申请日：2023-04-12
发明人： Sungjin CHUNG , Kweon Hyung HAN , Kwangho JANG , Sang Mook KIM
IPC分类号： C09D177/06 , B29C48/00 , B29C48/08
CPC分类号： C09D177/06 , B29C48/022 , B29C48/08 , B29C48/0011 , B29K2077/00
摘要： Disclosed is a paint protection film having a storage modulus measured at a temperature of n ° C. according to ASTM D4065 of En, where n is a number representing a temperature in degrees Celsius, wherein E40/E20 is 0.75 or more and 1.1 or less, wherein the paint protection film has a change index dYI of yellowness according to ASTM E313 before and after a UV irradiation, represented by Equation 1 below, of 0.8 or less, where the UV irradiation is performed for 72 hours at an output of 3 W with a light having wavelength from 280 nm to 360 nm:
dYI=|YI−UV_YI| [Equation 1]
in Equation 1, YI is the yellowness of the paint protection film before the UV irradiation, and UV_YI is the yellowness of the paint protection film after the UV irradiation.
-
-
-
-
-
-
-
-
-
搜索结果
38 条记录 (耗时 0.019 秒)
