Results 21 to 30 of about 62,236 (155)

HYPERBRANCHED ALKYD RESINS OBTAINED FROM A HYPERBRANCHED POLYESTER POLYOL OF THE FIFTH GENERATION AND TALL OIL FATTY ACID

, 2023
The first aim of this study was to synthesize hyperbranched alkyd resins from tall oil fatty acids and a hyperbranched polyester polyol via an esterification reaction.
Murillo Ruiz, Edwin Alberto, Raba Paez, Angela Mercedes, Murillo Ruiz, Edwin Alberto   +2 more
core   +1 more source

Hyperbranch-Crosslinked S-SEBS Block Copolymer Membranes for Desalination by Pervaporation

Membranes, 2020
Sulfonated aromatic polymer (SAP) featuring hydrophilic nanochannels for water transport is a promising membrane material for desalination. SAPs with a high sulfonation degree favor water transport but suffer from reduced mechanical strength and membrane
Mengyu Yan, Yunyun Lu, Na Li, Feixiang Zeng, Qinzhuo Wang, Hongcun Bai, Zongli Xie   +6 more
doaj   +1 more source

Effect of interaction from the reaction of carboxyl/epoxy hyperbranched polyesters on properties of feedstocks for metal injection molding

Materials Research Express, 2022
The purpose of this study is to improve the properties of the feedstocks and shape retention of debinded parts by the reaction between 17-4PH stainless steel powders.
Guoming Chen, Haihong Ma, Zhengfa Zhou, Fengmei Ren, Weibing Xu   +4 more
doaj   +1 more source

Carbazole-Based Hyperbranched Polyester Polyol: Structural, Rheological, Thermal and Optical Properties

, 2021
The present study sought to obtain a hyperbranched polyester polyol derivative with fluorescent properties. Initially, a 4-((4-(9H-carbazol-9-yl)benzyl)oxy)-4-oxobut-2-enoic acid (CAV) was synthesized and esterified with a hyperbranched polyester polyol ...
Percino, M. Judith, Ceron, Margarita, Murillo, Edwin A.   +2 more
core   +1 more source

Bio-hyperbranched polyesters synthesized from citric acid and bio-polyols and applications on wood adhesives

Polymer Testing, 2023
Biomass-based adhesives have attracted extensive research interest in recent years as an effective alternative to formaldehyde-based adhesives which are non-renewable and harmful to human health.
Tao Jin, Heyang Zeng, Yuefeng Huang, Li Liu, Wentao Yao, Hong Lei, Senlei Shi, Guanben Du, Lianpeng Zhang   +8 more
doaj   +1 more source

Characterization of the commercial hyperbranched polyesters [PDF]

Hemijska Industrija, 2010
In this paper, properties of the commercially available Boltorn® hydroxy-functional aliphatic hyperbranched polyesters of the second, third and fourth pseudo generation, were investigated. Beside that, samples of the third and fourth pseudo generation
Džunuzović Jasna, Jovanović Slobodan, Lechner Manfred D.   +2 more
doaj   +1 more source

Clean preparation of washable antibacterial polyester fibers by high temperature and high pressure hydrothermal self-assembly

Nanotechnology Reviews, 2021
The clean production and washing resistance of nano-coating have always been common issues in nano-functional polyester textiles because of the dense structure and chemically inert surface.
Feng Jundan, Xu Sijun, Pan Gangwei, Yao Lirong, Guan Yongyin, Zhou Long, Cui Li, Yang Zhongtian   +7 more
doaj   +1 more source

Ultrahigh Flowability and Excellent Mechanical Performance of Glass Fiber/PA6 Composites Prepared by Hyperbranched Polymers

Macromolecular Materials and Engineering, 2023
Lightweighting of automotives is crucial for the decrease of fuel and energy consumption, as well as CO2 emission and environmental pollution. Polymer composites, especially the high strength glass fiber/polyamide (GF/PA) composites, have great potential
Lijie Yu, Qiangsheng Hu, Tingcheng Li, Junheng Zhang, Shenghui Chen, Zejun Xu, Sufang Chen, Daohong Zhang   +7 more
doaj   +1 more source

Survey data on thermal properties of different hyperbranched polymers (HBPs) and on morphological and thermal analysis of the corresponding epoxy matrix nanocomposites

Data in Brief, 2019
The following data describe the thermal properties of two different typologies of Hyperbranched Polymers (HBPs): the first one is a polyester (HBPG – Hyperbranched Polymer Glassy) with a glass transition temperature (Tg) higher than room temperature (∼90 
Aldobenedetto Zotti, Simona Zuppolini, Anna Borriello, Mauro Zarrelli   +3 more
doaj   +1 more source

Poly(urethane-siloxane)s based on hyperbranched polyester as crosslinking agent: Synthesis and characterization [PDF]

Journal of the Serbian Chemical Society, 2012
A series of novel polyurethane crosslinked structures (PUs) was prepared from α,ω-dihydroxy-(ethylene oxide-poly(dimethylsiloxane)-ethylene oxide) (EO-PDMS-EO), 4,4’-methylenediphenyl diisocyanate and Boltorn® hyperbranched polyester of the third ...
Pergal Marija V., Džunuzović Jasna V., Ostojić Sanja, Pergal Miodrag M., Radulović Aleksandra, Jovanović Slobodan   +5 more
doaj   +1 more source