Zobrazeno 1 - 10
of 197
pro vyhledávání: '"Young‐Wook Chang"'
Publikováno v:
Polymers, Vol 16, Iss 19, p 2714 (2024)
A covalent adaptable network (CAN) of semicrystalline polyolefin blends with triple-shape memory effects was fabricated by the reactive melt blending of maleated polypropylene (mPP) and maleated polyolefin elastomer (mPOE) (50 wt/50 wt) in the presen
Externí odkaz:
https://doaj.org/article/56cdae464b9f4382ab359f0fc699d859
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)
Abstract In this work, the tunneling resistivity between neighboring nanosheets in grapheme–polymer nanocomposites is expressed by a simple equation as a function of the characteristics of graphene and tunnels. This expression is obtained by connec
Externí odkaz:
https://doaj.org/article/4cb929e194fa43539d7451ace043caab
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)
Abstract Simple equations are expressed for tunnel conductivity, tunnel resistance and conductivity of a graphene-filled composite by the number of contacts and interphase part. More specially, the active filler amount is suggested by interphase dept
Externí odkaz:
https://doaj.org/article/9686ed63d3da4173abce4d3df92ebbdc
Publikováno v:
Polymer Testing, Vol 104, Iss , Pp 107383- (2021)
In this work, multi-stimuli responsive nanocomposites with recyclability and rapid healability features were developed by simultaneous incorporation of thermo-reversible DA bonds and functionalized reduced graphene oxide (f-rGO) into ethylene copolym
Externí odkaz:
https://doaj.org/article/e72a3ef88e824e21b1b34bdfaceacec9
Publikováno v:
Polymers, Vol 14, Iss 19, p 4062 (2022)
A series of waterborne polyurethane (WPU) dispersions were prepared by chain-extending a prepolymer made of polyester diol, isophorone diisocyanate, and dimethylol propionic acid using cellulose acetate butyrate (CAB). The particle size and viscosity
Externí odkaz:
https://doaj.org/article/d4eabb901ec14c0185c7ce4df6deef15
Publikováno v:
Polymers, Vol 13, Iss 22, p 3984 (2021)
A shape memory polymer was prepared by melt mixing a semicrystalline maleated polyolefin elastomer (mPOE) with a small amount of polyaniline (PANI) (up to 15 wt.%) in an internal mixer. Transmission electron microscopy (TEM), FTIR analysis, DMA, DSC,
Externí odkaz:
https://doaj.org/article/2c92d50297954e3da2c1b1866d8211eb
Publikováno v:
Materials, Vol 14, Iss 1, p 27 (2020)
Small amounts of glycidylisobutyl polyhedral oligomericsilsesquioxane (G-POSS) (up to 10 phr) were added into a immiscible polyamide12 (PA12)/polyolefin elastomer (POE) blend (70 wt%/30 wt%) by simple melt mixing. The effects of the G-POSS on phase m
Externí odkaz:
https://doaj.org/article/5ddb32e598cb4536b8fc661aa04900b3
Autor:
Seung Kyun Yoon, Jin Ho Yang, Hyun Tae Lim, Young-Wook Chang, Muhammad Ayyoob, Xin Yang, Young Jun Kim, Han-Seung Ko, Jae Young Jho, Dong June Chung
Publikováno v:
Polymers, Vol 13, Iss 1, p 29 (2020)
Herein, spinal fixation implants were constructed using degradable polymeric materials such as PGA–PLA block copolymers (poly(glycolic acid-b-lactic acid)). These materials were reinforced by blending with HA-g-PLA (hydroxyapatite-graft-poly lactic
Externí odkaz:
https://doaj.org/article/8e0b6948110a4c3f97a86ebe6573d958
Autor:
Seul-A Park, Changgyu Im, Dongyeop X. Oh, Sung Yeon Hwang, Jonggeon Jegal, Ji Hyeon Kim, Young-Wook Chang, Hyeonyeol Jeon, Jeyoung Park
Publikováno v:
Molecules, Vol 24, Iss 13, p 2492 (2019)
Demand for the development of novel polymers derived from biomass that can replace petroleum resources has been increasing. In this study, biomass-derived isosorbide was used as a monomer in the polymerization of poly(arylene ether ketone)s, and its
Externí odkaz:
https://doaj.org/article/c8ce565ba2de411ab7e90158371f6dc2
Autor:
Eun-jin Kim, Jung-Soo Kim, Hae-Chan Kim, Yong-Rok Kwon, Yong-Woo Shin, Young-Wook Chang, Dong Hyun Kim
Publikováno v:
Polymer Korea. 47:135-142