|
KMID : 0604520180440020133
|
|
Journal of the Society of Cosmetic Scientists of Korea
2018 Volume.44 No. 2 p.133 ~ p.139
|
|
|
Hair Strengthening Effect of Silane Coupling and Carbodiimide Chemistry
|
|
Son Seong-Kil
Choi Won-Kyung
Im Byung-Taek
Song Sang-Hoon
Kang Nae-Gyu
|
|
|
Abstract
|
|
|
|
Chemically damaged hair is vulnerable to external stimuli in daily life due to the weakened physical properties of the hair strand itself. The purpose of this work was to determine whether chemical conjugation between hair keratin proteins restores tensile strength and thus results inpreventing further deterioration under repeated combing. A model damaged hair tress was produced by a typical perm-process. Then, it was internally crosslinked by the bifunctional crosslinker (3-aminopropyl)triethoxysilane (APTES), via both silane coupling and carbodiimide chemistry. Physical properties, including tensile strength, Young’s modulus, and plateau stress, were measured to verify the effect of internal crosslinking, and the existence of crosslinking was verified by Fourier transform infrared (FT-IR) spectroscopy. The degrees of hair breakage and split ends were evaluated by repeated combing?drying tests. Physical properties of chemically damaged hair were restored by internal crosslinking. Successful crosslinking of APTES via both silane coupling and carbodiimide chemistry was verified by FT-IR spectra. Prevention of breakage and split ends after repeated combing with heat was observed. Human hair can be weakened by chemical damage including perm-processing, so restoring such properties is a major issue in the hair care industry. This work shows that internal crosslinking of damaged hair via chemical conjugation would be a potent method to restore the healthy hair.
|
|
|
KEYWORD
|
|
|
silane coupling and carbodiimide chemistry, hair treatment, damaged hair, restoration, internal crosslinking
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
|