搜索结果: 1-15 共查到“工学 resins”相关记录18条 . 查询时间(0.174 秒)
Advances in the development of biobased epoxy resins: insight into more sustainable materials and future applications
Renewable sources bisphenol A biobased epoxy resins biobased fillers vegetable oils phenolic compounds curing agents
2023/12/15
The urgent need to replace fossil resource-based products is considerably increasing in the past few years, resulting in the search for more sustainable materials, with the aim of reducing the wastes ...
On the Development of Phenol-Formaldehyde Resins Using a New Type of Lignin Extracted from Pine Wood with a Levulinic-Acid Based Solvent
bio-resins phenolic resins levulinic acid lignin lignocellulosic waste resole resins
2023/12/1
Resole resins have many applications, especially for foam production. However, the use of phenol, a key ingredient in resoles, has serious environmental and economic disadvantages. In this work, ligni...
Fully bio-based reprocessable thermosetting resins based on epoxidized vegetable oils cured with itaconic acid
Reprocessable Fully biobased Epoxy Thermosets Curing Thermomechanical properties
2023/11/30
Nowadays, biomass-derived monomers production and thermosets' recyclability are the two main efforts in the development of sustainable thermosetting epoxy resins to replace fossil derivatives and miti...
Layer-by-layer assembly of nanomultilayer structures: Reinforcement of expanded char reduced the toxicity and fire hazard of epoxy resins
Epoxy resin Fire safety Intumescent flame retardant Smoke suppression Flame retardancy
2023/11/16
Epoxy resins (EP) have been widely applied in chemical engineering, composite materials, and aerospace. Nevertheless, the high fire hazard of flammable epoxy resins, which release considerable hazardo...
A facile strategy to construct multifunctional microencapsulated urea ammonium polyphosphate for epoxy resins towards satisfied fire safety, thermal stability and compatibility
epoxy resin fire safety mechanical properties microencapsulation urea ammonium polyphosphate
2023/11/16
Enhancing the fire safety of epoxy resin (EP) concomitant with less mechanical performance degradation is still a challenge for traditional flame retardants. Hence, polypyrrole (PPy) was used as a fil...
Developing Reprocessable shape memory thermosetting resins with high thermal resistance and strength through building a crosslinked network based on bismaleimide and epoxy resins
dynamic covalent bond heat resistance mechanical property reprocessability shape memory thermosetting resin
2023/11/16
It is difficult to endow reprocessable shape memory thermosetting resins with outstanding heat resistance and high mechanical strength. Herein, a new kind of reprocessable shape memory thermosetting r...
Preparation of fluorinated epoxy-phthalonitrile resins with excellent thermal stability and low dielectric constant
curing behavior fluorinated epoxy-phthalonitrile resins low dielectric constant thermal stability
2023/11/16
Fluoropolymers find applications in heat-resistant cables, chemical-resistant linings, electronic components, cladding materials, and weather-resistant films. Therefore, it is imperative to improve th...
Thermosets resins prepared from soybean oil and lignin derivatives with high biocontent, superior thermal properties, and biodegradability
biodegradable biopolymers and renewable polymers resins thermosets
2024/2/4
A bio‐based monomer, methacrylated vanillyl alcohol (MVA), had been synthesized from vanillyl alcohol with methacrylate anhydride (MAA) via a solvent‐free, efficient method. The synthesis of MVA was c...
Properties of biobased epoxy resins from epoxidized linseed oil (ELO) crosslinked with a mixture of cyclic anhydride and maleinized linseed oil
termosetting resins epoxidized linseed oil crosslinking cyclic anhydrides modified vegetable oils
2024/3/5
This works aims at the development thermosetting resins derived from epoxidized linseed oil (ELO) of high biobased content, by using a mixture of crosslinking agents, i.e. methyl nadic anhydride (MNA)...
Surface Modification of Graphene with Layered Molybdenum Disulfide and Their Synergistic Reinforcement on Reducing Fire Hazards of Epoxy Resins
Molybdenum disulfide graphene hydrothermal method X-ray diffraction and laser Raman spectroscopy
2015/3/27
In this work, molybdenum disulfide (MoS2)−modified graphene (MoS2/GNS) hybrids were prepared by the hydrothermal method and characterized by X-ray diffraction (XRD), Laser Raman spectroscopy (LR...
青钱柳叶三萜大孔吸附树脂纯化工艺（Purification of Triterpenes in Cyclocarya paliurusLeaves by Macroporous Resins）
青钱柳 三萜 大孔吸附树脂
2010/12/28
为研究大孔吸附树脂纯化青钱柳三萜的工艺，筛选了适宜的大孔吸附树脂，并通过静态和动态的吸附与解吸试验，确定了纯化工艺参数。结果表明，在供试的3种大孔吸附树脂中，D-101型大孔吸附树脂适合分离青钱柳叶三萜，其吸附量和解吸率分别为57.5mg/g和96.51%；动态吸附青钱柳叶三萜时的最适宜进样流速与进样质量浓度分别为 2BV/h和1.5mg/mL；动态解吸时洗脱剂的最适宜体积分数与洗脱速度分别...
青钱柳叶总黄酮大孔树脂纯化工艺（Purification Process of Total Flavonoids in Cyclocarya paliurus Leaves with Macroporous Resins）
总黄酮 青钱柳叶 大孔树脂 纯化
2009/8/11
为提高青钱柳叶总黄酮的纯度，筛选适宜青钱柳叶总黄酮纯化的大孔树脂，确定青钱柳叶总黄酮纯化工艺参数，选用大孔树脂材料，采用静态与动态吸附—解吸方法对青钱柳叶总黄酮进行纯化，以吸附量与洗脱率为考察指标对树脂进行选择与工艺研究，并利用紫外可见分光光度计测量青钱柳叶总黄酮的含量。结果表明：AB—8型大孔树脂纯化效果最好，其最佳工艺为进样速度2BV/h、进样质量浓度1.0mg/mL，洗脱剂最适宜体积分数与洗...
Apparent Distribution Coefficients of Glucose and Fructose onto Cation-Exchange Resins in Calcium-Ion Form with Different Divinylbenzene Contents
distribution coefficient chromatography cation-exchange resin
2009/7/8
The apparent distribution coefficients, Kapp, of glucose and fructose onto cation-exchange resins in calcium-ion form with different divinylbenzene (DVB) contents were observed over a wide concentrati...
Aerobic Degradation of Formaldehyde in Wastewater from the Production of Melamine Resins
mixed culture of bacteria and yeast aerobic degradation of formaldehyde wastewater from production of melamine resins
2009/3/20
Selected strains of Pseudomonas putida, Pseudomonas cepacia, Trichosporon penicillatum yeast and the mixed culture of these three strains were used for aerobic degradation of formaldehyde and formic a...
Study on Characteristics of Paper and Polymerization Behavior of Acrylate Resins Irradiated by Electron Beam
Paper Polymerization Behavior
2009/3/6
The curing behavior of acrylate was examined by using an ultra low energy electron beam irradiation device with 40-60keV which was developed in recent years. The cured film was formed with the high co...