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Cas 2453-03-4 || trimethylene carbonate || 1,3-Dioxan-2-one

Product specifications

Nametrimethylene carbonate, 1,3-Dioxan-2-one
CasCas 2453-03-4
Molecular weight102.09
Melting point45 - 48° C

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Actu-TMC-100g In stock 100g 400

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Product description

Poly(lactide-co-trimethylene carbonate) and Polylactide/Polytrimethylene Carbonate Blown Films

Hongli Li,1 Jiangping Chang,1 Yuyue Qin,2 Yan Wu,2 Minglong Yuan,1,* and Yingjie Zhang2,*

In this work, poly(lactide-co-trimethylene carbonate) and polylactide/polytrimethylene carbonate films are prepared using a film blowing method. The process parameters, including temperature and screw speed, are studied, and the structures and properties of the P(LA-TMC) and PLA/PTMC films are investigated. The scanning electron microscope (SEM) images show that upon improving the content of TMC and PTMC, the lamellar structures of the films are obviously changed. With increasing TMC monomer or PTMC contents, the elongation at the break is improved, and the maximum is up to 525%. The water vapor permeability (WVP) results demonstrate that the WVP of the PLA/PTMC film increased with the increase in the PTMC content, whereas the WVP of the P(LA-TMC) film decreased. Thermogravimetric (TG) measurements reveal that the decomposition temperatures of the P(LA-TMC) and PLA/PTMC films decrease with increases in the TMC and PTMC contents, respectively, but the processing temperature is significantly lower than the initial decomposition temperature. P(LA-TMC) or PLA/PTMC film can extend the shelf life of apples, for instance, like commercial LDPE film used in fruit packaging in supermarkets.

Keywords: polylactide, polytrimethylene carbonate, poly(lactide-co-trimethylene carbonate), polylactide-polytrimethylene carbonate, film blowing

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