Effectiveness of triacetin and triethyl citrate as plasticizer
The main objective of this work was to investigate the applicability of two natural based plasticizers (triacetin (TRI) and triethyl citrate (TEC)) in two polyvinyl alcohol (PVA) with similar molecular weight but different hydrolysis degree (88% and 99%). The PVA and plasticizers were mixed by solvent blending method and the PVA solution was
Triacetin as a Secondary PVC Plasticizer | SpringerLink
Epoxides (such as epoxidized soybean oil—ESBO) are used as secondary plasticizers which provide heat stabilization, enhances the light stability of the PVC and improves the properties of the material [ 29 ]. Triacetin (TAG) can be obtained by acetylation of biodiesel glycerol (see Scheme 1) using acetic acid or anhydride acetic.
Plasticization effect of triacetin on structure and properties
The thermal stability of triacetin changed along with its fluctuant interaction with macromolecules. Comparatively, the enhanced ether bond and the restriction from crystalline regions on the mobility of the amorphous chain consequently improved the thermal stability of the film matrix.
Natural-based plasticizers and biopolymer films: A review
Besides, considering the plasticization efficiency and storage stability for chitosan films, GLY and PEG showed to be more suitable than EG and PG. Furthermore, a plasticizer concentration of 20% (w/w) with GLY or PEG was sufficient to obtain flexible chitosan film, exhibiting good stability for 5 months of storage.
Final Report on the Safety Assessment of Triacetin - SAGE Journals
1985). According to Yalkowsky and Roseman (1979), Triacetin stabilized PGE. Triacetin had wide use in foundry applications as a curing agent for phenol resins used in the manufacture of sand molds (Unichema International 1996). It is used as a cellulose acetate plasticizer in the manufacture of cigarette lters, a tobacco hu-
- What is the thermal stability of triacetin?
- According to the thermal stability of triacetin, Peak 1 is related to the triacetin evaporation. The mild weight loss of starch ester powder and unplasticized film in the first step was attributed to the water evaporation process. Table 2 summarizes the Onset and peak values of thermal events in detail. Fig. 5.
- Is triacetin an alternative plasticizer to polyvinylchloride (PVC)?
- The effects of triacetin as an alternative plasticizer to Polyvinylchloride (PVC) in term of solubility, miscibility and migration ability were studied. Comparison was done with PVC/di-2-ethyl hexyl phthalate (DEHP) and PVC/DEHPAriacetin with the total amount of plasticizers of 50phr.
- Does triacetin plasticize starch esters?
- In previous researches, triacetin has been proved to display effective plasticization for starch esters (Bonacucina et al., 2006, Fringant et al., 1998, Nejad et al., 2010, Nejad et al., 2011, Volkert et al., 2010).
- Is triacetintag a secondary plasticizer for PVC?
- In this study, a glycerol derivative plasticizer (triacetinTAG) was tested as a secondary plasticizer for PVC. TAG was added to PVC formulations from 10up to 20phr. The increase of the plasticizer content had a great influence on the properties of PVC samples.
- How does triacetin affect the thermal stability of a film matrix?
- Comparatively, the enhanced ether bond and the restriction from crystalline regions on the mobility of the amorphous chain consequently improved the thermal stability of the film matrix. The interaction between triacetin and starch ester was essential to film forming but unexpectedly lowered the triacetin stability.
- Do starch ester films with different triacetin contents decrease thermal stability?
- TGA (a) and DTG (b) curves for starch ester films with different triacetin contents. Interestingly, the thermal stability of triacetin significantly decreased (seen from Onset and peak values) after being mixed with starch ester.
