Research progress of the hottest bio based thermos
2022-10-23- Detail
The research on bio based thermosetting resin has made progress
Ningbo materials technology and engineering of the Chinese Academy of Sciences realizes the coordinated enhancement of multiple links such as synchronous design, system verification, batch utilization and supply of materials and end products. The research team of bio based polymer materials of the Institute has taken the lead in carrying out the research on bio based thermosetting resin in China. At present, it has been based on rosin acid, vegetable oil, itaconic acid Progress has been made in the research of high-performance bio based epoxy resins such as soybean protein, and some products are planned to be pilot scaled up
with the increasingly in-depth study of bio based polymer materials, bio based thermosetting resins, as an important category of bio based polymer materials, have gradually attracted attention. However, how to realize the high-performance, functionalization and adaptability of bio based thermosetting resin through the selection of bio based platform compounds, molecular structure design and regulation is always a difficult problem to measure the deformation of samples in the experimental process
Itaconic acid, also known as methylene succinic acid, is considered as a bio based platform compound with broad application prospects because of its special chemical structure, low price and mature biological fermentation production process. Using it as raw material, the bio based polymer materials research team of Ningbo Institute of materials obtained epoxy resin EIA with glass transition temperature, tensile strength, flexural strength and modulus of 130.4 ℃, 87.5mpa, 152.4mpa and 3400mpa respectively by adjusting its epoxidation degree and active functional group density, and further realized the controllability and adjustability of its comprehensive properties; Through the direct epoxidation of double bonds, trifunctional bio based aliphatic epoxy resin TEIA was synthesized, which showed better thermodynamic and processing properties than ordinary petroleum based epoxy resin; Through hydrocarbon addition, phosphorus containing epoxy resin EAdi with self flame retardant property is obtained, which can be used as self flame retardant resin or reactive epoxy resin flame retardant alonerecently, they copolymerized itaconic acid with diols of different lengths and developed a series of bio based Waterborne UV curing resins based on itaconic acid, which showed good adhesion, solvent resistance and hardness after curing. After adding glycerol to the above copolyesters for branching to a certain extent, they are compounded with soybean oil derivatives to obtain a series of new resins with 100% solid content, all biological basis and UV curable. After UV curing, they show excellent pencil hardness, adhesion, water resistance, solvent resistance and thermodynamic properties, and are expected to develop into a new type of UV curing coatings with excellent comprehensive properties. This series of resins will be scaled up in pilot scale
8.10 all kinds of signs on the experimental machine should be clear and durable. Note: the reprinted contents are indicated with the source. The reprint is for the purpose of transmitting more information, and does not mean to agree with their views or confirm the authenticity of their contents
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