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Preparation and properties of rosin-based cationic waterborne polyurethane dispersion
Waterborne polyurethane Rosin Organosilane Antibacterial properties
2023/12/15
Green renewable resource has become a global hot spot. In this study, naturally occurring resource rosin derivative (RAG) was used to prepared a cationic waterborne polyurethane (WPU) dispersion using...
Study on novel rosin-based polyurethane reactive hot melt adhesive
adhesion properties chain extender polyurethane reactive hot melt adhesive rosin
2023/12/11
Chain extender is a major additive in polyurethane adhesive preparation, which has a great influence on its molecular weight, green strength, and thermal resistance. In this work, we first synthesized...
Bio-based vitrimer-like polyurethane based on dynamic imine bond with high-strength, reprocessability, rapid-degradability and antibacterial ability
Bio-based polyurethane Vitrimer-like Imine bond Rapidly-degradable Antibacterial property
2023/12/8
Synthesis of vitrimer with dynamic?covalent bond?is a surprising solution to overcome the inherent limitations of traditional?thermosets. A bio-based vitrimer-like?polyurethane?formed by?castor oil,?v...
Rosin-Based Si/P-Containing Flame Retardant Toward Enhanced Fire Safety Polyurethane Foam
bio-resource flame retardant rosin synergistic effect
2023/12/4
Environmentally friendly flame retardant such as polysiloxane has long been sought for varied studies in recent years and can be further improved to overcome the challenges of additional applications....
Modified cellulose nanocrystals enhancement to mechanical properties and water resistance of vegetable oil-based waterborne polyurethane
biopolymers and renewable polymers polyurethane silylated cellulose nanocrystals surface modification
2024/3/8
Environmentally friendly and lightweight silylated cellulose nanocrystal (SCNCs)/waterborne polyurethane (WPU) composite films that exhibit excellent mechanical properties and water resistance were pr...
Development of High-Performance Biodegradable Rigid Polyurethane Foams Using Full Modified Soy-Based Polyols
soy-polyol rigidpolyurethanefoam microflowsystem
2024/3/12
Fossil fuel resources depletion and growing concern about environmental issues have raised the demand for newly sustainable biomaterials. To address this challenge, a new type of biodegradable and env...
Stretchable polyurethane sponge reinforced magnetorheological material with enhanced mechanical properties
magnetorheological 3D network supporting polyurethane sponge
2015/3/24
A stretchable magnetorheological material (SMRM) consisting of micro-meter carbonyl iron (CI) particles, low cross-linking polyurethane (PU) polymer and porous PU sponge has been developed. Due to the...
Smart polyurethane foam with magnetic field controlled modulus and anisotropic compression property
Polyurethane magnetorheological foam preparation in-situ polymerization carbonyl iron particle polyurethane foam
2015/3/27
A new kind of polyurethane (PU) magnetorheological (MR) foam was prepared via in situ polymerization and foaming for the first time. A chain-like structure of carbonyl iron particles in the liquid pol...
Creep of thermoplastic polyurethane reinforced with ozone functionalized carbon nanotubes
nanocomposites carbon nanotubes mechanical properties creep
2015/3/30
This work focused on the mechanical behavior, especially creep resistance, of thermoplastic polyurethane (TPU) filled with ozone-treated multi-walled carbon nanotubes (MWCNTs). It was found that the o...
Improving the magnetorheological properties of polyurethane magnetorheological elastomer through plasticization
polyurethane magnetorheological elastomer in-situ polymerization plasticizer
2015/3/30
The highly filled anisotropic polyurethane (PU) magnetorheological elastomers (MREs) were prepared through an in-situ one-step polycondensation process under a magnetic field. The carbonyl iron formed...
Study on the Preparation and Properties of Collagen Fiber- Polyurethane Composite Film
Collagen Fiber Composite Film Composite Material Polyurethane
2011/12/15
Chrome-tanned collagen fiber is the major solid waste of leather industry which is difficult to biological degradation and would caused serious pollution to the environment. However, the collagen fibe...
The Impact Properties of a Polyurethane Composite Filled with Clay
Clay Mechanical Test PU
2011/11/22
A polyurethane/clay (PU/clay) composite was synthesized. The microstructure of the composite was examined by scanning electron microscopy. The impact properties of the composite were characterized by ...
Effect of N-Isopropylacrylamide on the Structure and Swelling Behavior of Microporous Polyurethane Film
Microporous N-Isopropylacrylamide Polyurethane Solvent Swelling
2011/12/22
Preparation of membranes from stimuli-responsive polymers, copolymers, and polymer-additive mixtures is an important approach in the design of responsive membranes. N-isopropylacrylamide(NIPPAm) was d...
Preparation and Application Properties Analysis of Hyperbranched Polyurethane Leather Finishing Agent
Application Property Atomic Force Microscope (AFM) Hyperbranched Polyurethane Leather Finishing Agent Polymer Thin Film
2011/12/14
A novel hyperbranched polyurethane (HBPU) finishing agent was prepared by graft copolymerization of hyperbranched poly (amine-ester) polyols (HPAE) and the isocyanate-terminated polyurethane prepolyme...
Anisotropic polyurethane magnetorheological elastomer prepared through in situ polycondensation under a magnetic field
Polytetramethylene ether glycol polyurethane magnetorheological elastomers iron particles composite materials
2015/3/30
Highly filled polytetramethylene ether glycol (PTMEG)-based polyurethane (PU) magnetorheological elastomers (MREs) with anisotropic structure and good mechanical properties were prepared. The difficul...