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Full Length Article

Construction of a corresponding empirical model to bridge thermal properties and synthesis of thermoresponsive poloxamines

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Pages 1-9 | Received 17 Jul 2023, Accepted 28 Jan 2024, Published online: 07 Feb 2024

Figures & data

Figure 1. Synthetic route of tetra-branch poly propylene oxide-block-polyethylene oxide.

Figure 1. Synthetic route of tetra-branch poly propylene oxide-block-polyethylene oxide.

Table 1. Target structural parameters of the synthesis of tetra-branch poloxamines.

Figure 2. Representative DSC results of sample 5 at varying concentrations (Mw = 1.5 k, EO: PO = 3:2).

Figure 2. Representative DSC results of sample 5 at varying concentrations (Mw = 1.5 k, EO: PO = 3:2).

Figure 3. The estimated intercepts and slopes obtained from fitting the model Equationequation (1) to the experimental data (left) along with an estimated regression line, also called an estimated regression surface, for describing the relationship between the intercepts, or slopes, and sample properties (right).

Figure 3. The estimated intercepts and slopes obtained from fitting the model Equationequation (1)(1) T=β0Mn,r+β1rc,(1) to the experimental data (left) along with an estimated regression line, also called an estimated regression surface, for describing the relationship between the intercepts, or slopes, and sample properties (right).

Figure 4. Fitted regression lines relating average peak temperature to concentration percentage for each experimental sample.

Figure 4. Fitted regression lines relating average peak temperature to concentration percentage for each experimental sample.

Figure 5. Representative GPC chromatogram of sample TS-3.

Figure 5. Representative GPC chromatogram of sample TS-3.

Figure 6. Representative rheology measurement result of 30% sample TS-3 in DI water.

Figure 6. Representative rheology measurement result of 30% sample TS-3 in DI water.

Table 2. Structure parameters of test samples for model validation and the comparison between experimentally measured transition temperatures and model estimated transition temperatures.