Development of a series of biobased poly(ethylene 2,5-furandicarboxylate-co-(5,5′-((phenethylazanediyl)bis(methylene))bis(furan-5,2-diyl))dimethylene 2,5-furandicarboxylate) copolymers via a sustainable and mild route: promising “breathing” food packaging materials

Abstract

Most previous research work on the modification of poly(ethylene 2,5-furandicarboxylate) (PEF) focused on improving its brittleness and crystallization rate. Here, we present a series of biobased copolyesters synthesized from 2,5-furandicarboxylate...

Incorporation of Poly(ethylene 2,5-furanoate) into Poly(butylene adipate-co-terephthalate) toward Sustainable Food Packaging Films with Enhanced Strength and Barrier Properties

“…Therefore, the CO 2 /O 2 selectivity of packing films is a key factor assessing the capacity of food preservation. 36 The higher the CO 2 /O 2 permeability ratio, the better the food preservation effect. Therefore, the α ratio of transmittance of CO 2 /O 2 was calculated and is listed in Table 4.…”

“…Thus, air permeability was extremely important for packaging materials. Therefore, the CO 2 /O 2 selectivity of packing films is a key factor assessing the capacity of food preservation . The higher the CO 2 /O 2 permeability ratio, the better the food preservation effect.…”

Improving Thermal, Mechanical, and Crystalline Properties of Poly(butylene succinate) Copolyesters from a Renewable Rigid Diester

“…The “folded” structures of the copolyesters led to a lower X c . Hence, the crystalline structure of PBS was more stable and compact, which tended to crystallize alone in a kinetically favorable manner . The BC unit with a larger volume and “folded” structures was more difficult to insert into the PBS crystal rather than the opposite case, which resulted in a higher ε when the BC moiety was introduced into the PBS crystal.…”

Ultra-Tough Vanillin-Based Polyester Hot-Melt Adhesive through Multiple Oxygenated Groups

“…Adhesives serve a crucial part in human life and are extensively utilized in the industrial bonding, packaging, building manufacturing, electronic device, and aerospace industries. − However, at present, adhesives still face challenges such as poor bond strength (such as epoxy resins), − toxicity, irreversible curing (such as acrylics, polyurethanes, and organic silicones), , and limited conditions of use (such as anaerobic adhesives, UV adhesives, and solvent-based adhesives). − Polyester hot-melt adhesives are a typical example of solvent-free, ecologically friendly adhesives that meet the demands of the adhesive industry for energy efficiency, nontoxicity, low cost, reusability, and excellent performance. , Linear saturated polyesters are generally utilized as hot-melt adhesives, prepared by transesterification, esterification, and polycondensation reactions, which is simple and easy to process. − However, these raw materials used in commercial hot-melt adhesives are usually derived from petroleum resources and do not meet the requirements of sustainable development. − Yet, compared to petrochemical products, which come in a large variety, the number of biobased monomers that can be employed to create biomass polyester hot-melt adhesives is substantially fewer. − For example, Zheng et al used biobased 1,5-pentanediol as a replacement for petroleum-derived 1,6-hexanediol for polyester hot-melt adhesives . Kim et al prepared a polyester hot-melt adhesive using polybutylene terephthalate modified with dimer acid methyl ester derived from fatty acid methyl esters .…”