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Epoxidized soybean oil: improve the performance of PLA composite materials, as a PVC plasticizer, the largest amount of bio-based additives!

 Last Update: 2022-09-15
 Source: Internet
 Author: User

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TK Bio-based Materials reported that epoxidized soybean oil (ESO) is a renewable raw material with abundant resources, low cost, non-toxicity, environmental friendliness, good thermal stability, and good solvent resistance

According to statistics, epoxy plasticizers accounted for 8.

China is rich in oil resources and has many varieties, especially the output of soybean oil is in the forefront of the world, which is very beneficial to the development of epoxidized soybean oil

Traditional phthalates are the most widely used, best-performing and cheapest PVC plasticizers, but the safety issues of phthalates have frequently aroused people's attention

The solvent-free method firstly obtains organic peroxyacids from organic acids (usually formic acid or acetic acid) and hydrogen peroxide under the action of acid catalysts, and then the vegetable oil molecules containing double bonds are combined with organic peroxyacids (performic acid or peracetic acid) The reaction produces epoxy compounds

Improve composite compatibility

Improve composite compatibility

When no epoxidized soybean oil was added, the samples contained a large number of starch granules, indicating that the plasticizing properties of thermoplastic starch in the composite were poor

Improve the degradation performance of composite materials

The study found that the residual quality of composites decreased slightly at different composting times when epoxidized soybean oil was added, and with the increase of epoxidized soybean oil content, the residual quality of composites was lower at the same composting time

Improve the tensile strength and other properties of composite materials

Improve the tensile strength and other properties of composite materials

The study found that the tensile strength of the composite material increased with the increase of the content of epoxidized soybean oil, and reached the maximum value when the content of epoxidized soybean oil was 6 phr.

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