Optimization of monochlorotriazine β-cyclodextrin grafting on cotton and assessment of release behavior of essential oils from functionalized fabric

Fashion and Textiles

International Journal of Interdisciplinary Research

Table 2 Induced shift analysis of MCT β-CD-oil complexes in free and complex states

Proton (MCT β-CD)	\(\delta^{ 1}_{{{\text{MCT }}\beta - {\text{CD }}({\text{free}})}}\)	\(\delta *^{ 2}_{{{\text{MCT }}\beta - {\text{CD }}({\text{complex}})}}\)	\(\Delta \, \delta^{ 3}_{{{\text{MCT }}\beta - {\text{CD}}}}\)	\(\delta^{ 4}_{{{\text{oil }}({\text{free}})}}\)	\(\delta *^{ 5}_{{{\text{oil }}({\text{complex}})}}\)	\(\Delta \, \delta^{ 6}_{\text{oil}}\)	Proton (oil)	Oil type
H3	3.8322	3.7398	0.3446	3.2453	2.321	0.9243	H_g
H5	3.7438	3.4124	0.3034	5.8937	5.131	0.7627	H_h	CO
H5	3.7438	3.4124	0.3034	5.0256	4.823	0.2026	H_i
H3	3.8322	4.659	−0.8268	1.5895	1.5123	0.0772	H_i
H5	3.7438	4.269	−0.5252	1.3601	1.2966	0.0635	H_j	CdO
H3	3.8322	3.4873	0.3446	1.5592	1.2602	0.299	H_d
H5	3.7438	3.1758	0.5681	1.6295	1.3390	0.286	H_e	EO
H3	3.8322	3.54	0.2922	0.7989	0.7357	0.0632	H_a
H5	3.7438	3.3644	0.3794	1.6755	1.5584	0.1171	H_g	PO

\(\delta^{ 1}_{{{\text{MCT }}\beta - {\text{CD }}({\text{free}})}}\), chemical shift of MCT β-CD in free state; \(\delta *^{ 2}_{{{\text{MCT }}\beta - {\text{CD }}({\text{complex}})}}\), chemical shift of MCT β-CD in complex with oils; \(\Delta \, \delta^{ 3}_{{{\text{MCT }}\beta - {\text{CD}}}}\), induced shift of MCT β-CD (\(\delta^{ 1}_{{{\text{MCT }}\beta - {\text{CD }}({\text{free}})}} - \delta^{* 2}_{\text{Complex}}\)); \(\delta^{ 4}_{{{\text{oil }}({\text{free}})}}\), chemical shift of oils in free state; \(\delta *^{ 5}_{{{\text{oil }}({\text{complex}})}}\), chemical shift of oils in complex with MCT β-CD; \({{\Delta }}\delta^{ 6}_{\text{oil}}\), induced shift of oils (\(\delta^{ 4}_{\text{oil free}} - \delta^{*5}_{\text{oil}}\))