Otros

Otros

Corn Stalk Biochar-Reinforced High-Density Polyethylene Material: Flame-Retardant and Anti-aging Properties
21/03/2023 - Corn stalk biochar (CSB), which was prepared from corn stalk (CS), was used to strengthen high-density polyethylene (HDPE). CSB/HDPE composite (CSBH) was prepared by extrusion. In this paper, we...
Synthesis, Characterization and Application of a New Functionalized Polymeric Sorbent Based on Alkenylphoshine Oxide
22/03/2023 - A novel phosphorus-containing sorbent (CyP(Ph)4–DVB) was prepared by copolymerizing divinylbenzene (DVB) with bis α,β-unsaturated phosphorylated cyclohexene...
Rigid polyurethane foam compounds with excellent fire performance modified by a piperazine pyrophosphate/expandable graphite synergistic system
12/03/2023 - Rigid polyurethane foam (RPUF) has many excellent properties, but its flammability has been a challenge for the application of RPUF compounds. In this research, piperazine pyrophosphate (PAPP) and...
Study on self?healing gel plugging agent based on non?covalent bonding interaction for drilling fluid
11/03/2023 - AbstractTo reduce the possibility of the TPU 3D?printed workpiece causing a fire, a flame?retardant coating containing phosphorus, nitrogen, silicon, and benzene rings was fabricated on the TPU...
Flame-Retardant and Smoke-Suppressant Flexible Polyurethane Foams Based on Phosphorus-Containing Polyester Diols and Expandable Graphite
03/03/2023 - A liquid-phosphorus-containing polyester diol, PPE, was prepared via condensation polymerization using commercial reactive flame retardant...
Bio-Based Phosphate-Containing Polyester for Improvement of Fire Reaction in Wooden Particleboard
22/02/2023 - A new phosphate-containing bio-polyester based on glycerol and citric acid was synthesized and evaluated as fire-retardant (FR) in wooden particleboards. Phosphorus pentoxide was used to first...
Inorganic/organic phosphorus?based flame retardants synergistic flame retardant rigid polyurethane foam
31/01/2023 - The flame?retardant rigid polyurethane foam (RPUF) composites are fabricated by ammonium polyphosphate (APP) with pentaerythritol phosphate (PEPA), phenoxycycloposphazene (PCP), and aluminum...
Characterization of hemp fiber fire reaction
28/01/2023 - Characterisation of hemp fibre fire reaction, left: hemp fibre ? middle: graphs showing results of the cone calorimeter ? right: cone calorimeter test in progress.Integrating bio?resources in...
Radiation-Grafting on Polypropylene Copolymer Membranes for Using in Cadmium Adsorption
29/01/2023 - Graft copolymerization has been a popular technique in recent years for adding different functional groups to polymers. In our research, polypropylene (PP) films are grafted with acrylonitrile (An)...
The synergistic flame-retardant behaviors of soybean oil phosphate-based polyols and modified ammonium polyphosphate in polyurethane foam
25/01/2023 - Abstract Vegetable oils, as raw materials for polyurethane foam, have attracted much attention for being non-toxic, biodegradable, renewable, and so on. However, polyurethane...
Synergistic Flame Retardant Properties of Polyoxymethylene with Surface Modified Intumescent Flame Retardant and Calcium Carbonate
20/01/2023 - Ammonium polyphosphate (APP) was successfully modified by a titanate coupling agent which was compounded with benzoxazine (BOZ) and melamine (ME) to become a new type of intumescent flame retardant...
The preparation and characterization of phase change material microcapsules with multifunctional carbon nanotubes for controlling temperature
01/04/2023 - The phase change material microcapsules (MPCMs) that can improve energy utilization efficiency is limited in building materials due to poor heat conduction ability and easy burning. In this...
Coupled effect of UV ageing and temperature on the diffusive transport of aqueous, vapour and gaseous phase organic contaminants through HDPE geomembrane
- High-density polyethylene geomembranes (HDPE GMBs) are indispensable in constructing composite barriers of modern engineered landfills. GBMs would be exposed to various weathering conditions apart...
New approach for electric vehicle composite battery housings: Electromagnetic shielding and flame retardancy of PUR/UP-based sheet moulding compound
- In a battery electric vehicle, the battery housing fulfils safety functions such as electromagnetic shielding and flame retardancy. Composites like sheet moulding compounds (SMCs) offer...
Wood Residue-Derived Biochar as a Low-Cost, Lubricating Filler in Poly(butylene succinate-co-adipate) Biocomposites
06/01/2023 - This study focused on the development of a novel biocomposite material formed by a thermoplastic biodegradable polyester, poly(butylene succinate-co-adipate) (PBSA), and a carbonaceous filler as...
Self-Healing Performance of Asphalt Concrete with Ca-Alginate Capsules under Low Service Temperature Conditions
30/12/2022 - Calcium alginate capsules containing rejuvenators represent a promising method for asphalt concrete premaintenance, but their healing capacities under lower temperature conditions are still unknown....
Thermal Stabilities and Flame Retardancy of Polyamide 66 Prepared by In Situ Loading of Amino-Functionalized Polyphosphazene Microspheres
31/12/2022 - The flame-retardant polyamide 66 composites (FR-PA66) were prepared by in situ loading of amino-functionalized polyphosphazene microspheres (HCNP), which were synthesized in the laboratory and...
Reactive flame-retardants prepared by transesterification between erythritol and dimethyl methyl phosphonate for rigid polyurethane foams
01/02/2023 - The reactive type flame retardants have been applied in rigid polyurethane foams (RPUF) owing to their excellent durability and minimal negative effect on the physical properties, however, their...
The thermal and combustion properties of soybean oil phosphate-based polyurethane foam composites containing polyol of etidronic acid
- In this work, a phosphorus-containing soybean oil-based polyol (PSOP) was successfully synthesized from epoxidized soybean oil by a ring-opening reaction with dibutyl phosphate. A phosphorous...
How to achieve the Fleischmann-Pons heat effect
- To understand if cold fusion produces nuclear energy, a calorimeter was designed for electrolysis of Pd in heavy water with a precision of ± 0.5%: it exhibited excess power levels of between 20...
An eco-friendly, bio-inspired and synergistic flame retardant system with outstanding water tolerance and ultra-low addition for silicone rubber
15/02/2023 - To address the bottleneck problem for flame-retarding silicone rubber (SR) in poor water resistance and low efficiency, a halogen-free and synergistic system was fabricated by the introduction of...