## 3 Results and Discussion  
The hairy nanoparticles (HNPs) were synthesized from the sequential addition of the monomers (Scheme 1). In the first step, the mixture of styrene and divinylbenzene (90 S: 10 DVB molar ratio) was polymerized in dry THF using sec-BuLi at \(-78\)\({}^{\circ}\)C. In the second step, the cyclic hexamethylcyclotrisiloxane, D3, and monomer were added to the core and polymerized at room temperature. The living polymers were terminated by dimethyl chlorosilane to obtain the HNP-SiH. The spectral data are consistent with published data [34]. The ATR-FTIR spectroscopy analysis of HNP-SiH in Figure 2 shows absorption bands of PDMS hairs and a characteristic absorption band of silyl hydride (Si-H) functionality at the end. A characteristic absorption band at 2120 cm\({}^{-1}\) corresponds to a Si-H bond stretching vibration. The absorption band at 1261 cm\({}^{-1}\) corresponds to the Si-CH\({}_{3}\) group, whereas Si-O-Si anti-symmetrical stretching peaks are observed at 1097 and 1032 cm\({}^{-1}\). The peaks at 758 and 846 cm\({}^{-1}\) correspond to Si-C stretching. For the PS-core in HNP-SiH, the 2900-3000 cm\({}^{-1}\) peaks correspond to the aliphatic C-H stretching, and the C-H aromatic peaks can be seen in the range of 3000-3090 cm\({}^{-1}\). The peaks for the C=C aromatic are observed at 1453 cm\({}^{-1}\), 1494 cm\({}^{-1}\), and 1602 cm\({}^{-1}\). There is a residual water/silanol (Si-OH) peak appearing around 3400 cm\({}^{-1}\) due to the sillyhydride (Si-H) group reacting with the water present in methanol during polymer precipitation. The \({}^{1}\)H NMR spectrum shows the characteristic peak for the silane proton at 4.72 ppm. The characteristic signals at 0.25 to \(-0.25\) ppm correspond to the PDMS brushes in HNP-SiH (Figure 3a). Alkyl protons of the backbone of the polystyrene \begin{table}
\begin{tabular}{l c c c} \hline \hline
**Furan Functionalized** & **Weight of Polymers (mg)** & **Weight of BMI (mg)** & **DMF + THF (1:1 v/v)** \\ \hline HNP-F & 50 & 30 & 10 mL \\ PS-F & 25 & 10 & 7 mL \\ PDMS-F & 50 & 30 & 10 mL \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Composition for Diels–Alder reactions. (-CH\({}_{2}\)-CH-) cores appear in the range from 0.9 to 2.0 ppm, and the aryl protons from the phenyl ring show the characteristic peak ranging from 6.4 to 7.25 ppm. The methyl protons introduced from the sec-butyl group at the chain ends are observed at 0.74 ppm (Figure 3a). The range between 5.1 and 5.6 ppm shows no signals attributed to methylene protons (CH\({}_{2}\)=CH\({}_{2}\)) of unreacted vinyl groups stemming from the crosslinker DVB, indicating that all vinyl groups of the crosslinkers were copolymerized to form the crosslinked polystyrene core. The ratio of the SiH and PDMS chain was found to be 1:4.35 from proton signal integration. The styrene and the hexamethylcyclotrisiloxane (D3) monomers were also polymerized by the living anionic polymerization (LAP) technique using Sec-BuLi as an initiator and terminated by dimethylchlorosilane, according to Scheme S1, to obtain silyl hydride terminated polystyrene and polydimethylsiloxane linear polymers. The functionalization of the materials was confirmed by the disappearance of the Si-H peaks and the appearance of new peaks that are characteristic of the furan in both ATR-FTIR and \({}^{1}\)H NMR spectra (Figures 2, 3, S2 and S3). The new absorption peaks are observed at 1012 plus 1087 and 616 cm-1, corresponding to the furan heterocycle and the deformation vibration band of the furan ring, respectively. The \({}^{1}\)H NMR spectrum of the HNP-Fs shown in Figure 3b confirms the disappearance of the Si-H peak at 4.54 ppm. The characteristic furan peaks appear at 5.6-6.4 ppm, which correspond to protons of the furan ring attached to the polymer--the methylene protons of furan overlap with the alkyl protons of the polystyrene backbone. No residual allyl protons between 5.1 and 5.6 ppm were detected in unreacted vinyl groups in furan.