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中国林业科学研究院经济林研究所专利：一种苦杏仁蛋白的提取方法
中国林科院经济林所 苦杏仁蛋白 提取方法
2023/11/20
本发明公开一种苦杏仁蛋白的提取方法，包括如下步骤：步骤(1)、将苦杏仁脱皮脱苷，得到脱苷苦杏仁；步骤(2)、将脱苷苦杏仁进行脱脂，得到脱脂苦杏仁；步骤(3)、利用碱溶酸沉法与等电点‑盐析相结合的方法提取脱脂苦杏仁中的苦杏仁蛋白，得到苦杏仁蛋白沉淀；步骤(4)、对苦杏仁蛋白沉淀进行纯化，即得到苦杏仁蛋白。本发明能够解决杏仁蛋白提取过程中由于多酚类物质的氧化而导致蛋白颜色变化的问题。
中国林业科学研究院经济林研究所专利：一种柿树林喷洒农药设备
中国林科院经济林所 柿树林 喷洒农药设备
2023/11/20
本发明公开一种柿树林喷洒农药设备，包括外壳，所述外壳的顶部开设有第一安装槽，所述外壳的两侧分别开设有第二安装槽和第三安装槽，所述外壳的底侧开设有第四安装槽，所述第一安装槽的内部设有水力驱动组件。本发明，通过水力驱动组件的设置，水流进入连接管之后能够通过桨叶带动转杆旋转，从而能够带动混合组件和驱动组件运行，以此能够将药物逐步与水流混合搅拌，不仅减少了后续混合药物的时间还能减少电机驱动搅拌装置耗费蓄电...
中国林业科学研究院经济林研究所专利：一种将柿果转化为生物能源乙醇的方法
中国林科院经济林所 柿果 生物能源 乙醇
2023/11/20
本发明公开一种将柿果转化为生物能源乙醇的方法，包括如下步骤：将清洗好的柿果利用破碎及过滤装置依次进行破碎和过滤，除去浆液中的固形杂质，得到原浆液；向原浆液中加入食用碱，使食用碱与原浆液中的单宁反应形成不溶于水的物质，并将形成的不溶于水的物质过滤去除；先用水稀释经碱处理后的原浆液，得到稀释浆液，并调节稀释浆液的pH；加入糖化酶，保温后得到待发酵液；向待发酵液中加入已活化的发酵母液进行发酵，发酵得到发...
本发明公开一种杏仁多肽防晒保湿护肤品及其制备方法，该杏仁多肽防晒保湿护肤品中杏仁抗氧化肽YLSF的含量为2～8mg/mL；制备时，以水为溶剂，添加杏仁抗氧化肽YLSF即可制备得到杏仁多肽防晒保湿护肤品。本发明的杏仁多肽防晒保湿护肤品添加了苦杏仁抗氧化肽YLSF，能够有效避免紫外线照射给皮肤带来的损害，具有较好的防晒保湿效果。
本成果技术对杨木、杉木等人工林木材进行干燥，可显著提高木材的渗透性，快速释放锯材内残余干燥应力，减少干燥缺陷的发生，并提高木材的尺寸稳定性。与常规干燥相比，可缩短干燥周期40%以上，降低干燥成本30%以上，锯材干燥质量指标满足家具、实木复合地板及细木工板等产品制造领域的技术需求。本技术可显著提高企业的干燥生产效率，提高产品的使用性能和使用寿命,增加企业效益。
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...
Low-temperature 3D printing and curing process of continuous fiber-reinforced thermosetting polymer composites
3D printing CFRTPC curing behavior prediction low-temperature process model-free kinetics
2023/11/16
The reported work has developed a methodology of printing and curing continuous fiber-reinforced thermosetting polymer composites (CFRTPCs) with excellent mechanical properties at low temperatures. Fi...
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...
Network Degradation Assessed by Evolved Gas Analysis-Mass Spectrometry Combined with Principal Component Analysis (EGA-MS-PCA): A Case of Thermo-Oxidized Epoxy/Amine Network
ULTRAVIOLET-IRRADIATION MECHANICAL-PROPERTIES BUTADIENE RUBBER EPOXY-RESINS TEMPERATURE PYROLYSIS COATINGS TRANSITION OXIDATION SCISSION
2023/11/16
To study the degradation of thermosetting polymers, we apply a novel method to simultaneously study the chemical structural changes and network topology: evolved gas analysis-mass spectrometry combine...
Carbon fiber-reinforced epoxy composite properties improvement by incorporation of polydopamine sizing at fiber-matrix interface
CF EP composites Interface polydopamine sizing
2023/11/16
To gain better interfacial and mechanical performances of carbon fiber-reinforced epoxy resin (CF/EP) composites, the surface modification of CF was carried out via a simple mild method. The polydopam...
Enabling Green Manufacture of Polymer Products via Vegetable Oil Epoxides
FATTY-ACID ESTERS SOYBEAN-OIL CHEMOENZYMATIC EPOXIDATION EPOXY-RESINS TECHNOLOGICAL ASPECTS MECHANICAL-PROPERTIES ALKYD RESIN BISPHENOL-A LINSEED OIL BIOCOMPOSITES
2023/11/16
The industrial application of epoxidized vegetable oil is being diversified and commercialized at a rapid pace. It is attributed to its environment friendly nature compared to the synthetic Bisphenol ...
Efficient utilization of peach gum to prepare UV-responsive peelable pressure-sensitive adhesives for non-destructive fabrication of ultrathin electronics
Peach gum LiCl DMAc Sorbitol Polyurethane acrylate Peelable PSAs
2023/11/16
Restricted by the poor solubility and complex structure, it remains a significant challenge to efficiently convert raw peach gum (RPG), a natural plant gum comprised of polysaccharides, into usable po...
Deterioration mechanism of hydrothermal aging on the properties of carbon fiber/epoxy composites in various media
Hydrothermal aging resin composite degradation mechanical property
2023/11/16
This study examined the hydrothermal aging mechanism of carbon fiber reinforced epoxy resin (CF/EP) composites in acidic, alkaline, salt solution, and deionized water (marked as Ac-CF/EP, Al-CF/EP, Sa...
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...