Results 21 to 30 of about 434,568 (174)

Site‐Selective, Multistep Functionalizations of CO2‐Based Hyperbranched Poly(alkynoate)s toward Functional Polymetric Materials

Advanced Science, 2020
Hyperbranched polymers constructed from CO2 possess unique architectures and properties; however, they are difficult to prepare. In this work, CO2‐based, hyperbranched poly(alkynoate)s (hb‐PAs) with high molecular weights and degrees of branching are ...
Bo Song, Rongyuan Zhang, Rong Hu, Xu Chen, Dongming Liu, Jiali Guo, Xiaotian Xu, Anjun Qin, Ben Zhong Tang   +8 more
doaj   +1 more source

Rheological behavior of hyperbranched polymers

, 2013
Hyperbranched polymers represent intriguing class of dendritic polymers, which show remarkable, unique and different chemical and physical properties compared to their linear counterparts, as a result of their complex, three-dimensional structure ...
Džunuzović, Jasna, Džunuzović, Enis S.   +1 more
core   +6 more sources

Grafting of a novel hyperbranched polymer onto carbon fiber for interfacial enhancement of carbon fiber reinforced epoxy composites

Materials & Design, 2021
A novel hyperbranched 2,2-bis-(hydroxymethyl) propionic acid polyester-32-hydroxyl (hyperbranched polymer) was selected to graft onto a carbon fiber (CF) surface to enhance the interfacial properties of carbon fiber/epoxy composites.
Lina Yang, Ping Han, Zheng Gu
doaj   +1 more source

Hyperbranched Polyamine as Multipurpose Polymeric Additives for LDPE and Plasticized PVC

Eurasian Chemico-Technological Journal, 2007
The hyperbranched polyamine based on 4,4'-sulfonyl dianiline was obtained by the earlier reported method and used as multipurpose polymeric additives for low density polyethylene (LDPE) and plasticized polyvinyl chloride (PVC).
Sibdas Singha Mahapatra, Niranjan Karak
doaj   +1 more source

N-Benzoyl dithieno[3,2-b:2′,3′-d]pyrrole-based hyperbranched polymers by direct arylation polymerization

Chemistry Central Journal, 2017
Background Although poly(N-acyl dithieno[3,2-b:2′,3′-d]pyrrole)s have attracted great attention as a new class of conducting polymers with highly stabilized energy levels, hyperbranched polymers based on this monomer type have not yet been studied. Thus,
Tam Huu Nguyen, Thu Anh Nguyen, Hoan Minh Tran, Le-Thu T. Nguyen, Anh Tuan Luu, Jun Young Lee, Ha Tran Nguyen   +6 more
doaj   +1 more source

Preparation of Functional Long‐Subchain Hyperbranched Polystyrenes via Post‐polymerization Modification: Study on the Critical Role of Chemical Stability of Branching Linkage

ChemistryOpen, 2020
Post‐polymerization modification (PPM) is one of the most powerful strategy for preparing polymers with functional groups that cannot be synthesized by direct polymerization.
Mo Zhu, Nairong Hao, Muhammad Zaheer, Dr. Jinxian Yang, Prof. Dr. Lianwei Li   +4 more
doaj   +1 more source

Synthesis and Self-Assembly of Hyperbranched Multiarm Copolymer Lysozyme Conjugates Based on Light-Induced Metal-Free Atrp

Nanomaterials, 2023
In recent years, the coupling of structurally and functionally controllable polymers with biologically active protein materials to obtain polymer–protein conjugates with excellent overall properties and good biocompatibility has been important research ...
Jianguo Yi, Yan Qin, Yue Zhang
doaj   +1 more source

Preparation and characterization of composites using blends of divinylbenzene-based hyperbranched and linear functionalized polymers [PDF]

, 2021
In this study, hyperbranched polymers were explored as matrix modifiers to create E-glass fiber (GF) reinforced polymer composites with enhanced mechanical properties.
Ahmed, Ifty, Sumaya F. Kabir, Kevin Adlington, Irvine, Derek J., Derek J. Irvine, Kabir, Sumaya F., Parsons, Andrew J., Ifty Ahmed, Adlington, Kevin, Andrew J. Parsons   +9 more
core   +1 more source

Rheological and thermal degradation properties of hyperbranched polyisoprene prepared by anionic polymerization [PDF]

Royal Society Open Science, 2019
Hyperbranched polyisoprene was prepared by anionic copolymerization under high vacuum condition. Size exclusion chromatography was used to characterize the molecular weight and branching nature of these polymers.
Shehu Habibu, Norazilawati Muhamad Sarih, Nor Asrina Sairi, Muzafar Zulkifli   +3 more
doaj   +1 more source

Too large to fit? Recent developments in macromolecular imprinting. [PDF]

, 2008
Molecular imprinting involves the synthesis of polymers in the presence of a template to produce complementary binding sites with specific recognition ability.
Turner, Anthony P. F., P. F. Turner, Anthony,, Ge, Yi,, Anthony P.F. Turner, Yi Ge, Ge, Yi   +5 more
core   +1 more source