Infrared Band Handbook

Szymanski, Herman A.; Erickson, Ronald E.

doi:10.1007/978-1-4684-6069-8

Cited by 58 publications

(44 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The main absorption bands for the precursor phosphate in the interval 3700-3500 cm −1 are attributed to water and structural OH stretching vibration; the band at 1620 cm −1 is associated with its bending vibration. The bands at 1087, 1030, and 956 cm −1 can be related to PO phosphate stretching and the vibration at 865 cm −1 was associated with the stretching [27][28][29] . For all modified phosphates, the spectra can be characterized by a drastic decrease in the intensity of the band of P-OH deformation mode originally presented at 865 cm −1 , principally for HApSil2 and HApSil3 and for the appearance of the new bands at 2950 and 2840 cm −1 ascribed to asymmetric and symmetric stretching modes of CH 3 groups, respectively [30].…”

Section: Resultsmentioning

confidence: 99%

Hydroxyapatite organofunctionalized with silylating agents to heavy cation removal

Silva

Filho

Fonseca

et al. 2006

Journal of Colloid and Interface Science

View full text Add to dashboard Cite

Section: Resultsmentioning

confidence: 99%

Hydroxyapatite organofunctionalized with silylating agents to heavy cation removal

Silva

Filho

Fonseca

et al. 2006

Journal of Colloid and Interface Science

View full text Add to dashboard Cite

“…Figure 4 shows that the treatment of silane on talc could be detected, and this suggested that the condensation of silane on the surface of the filler took place during the drying process. Apart from the SiO group, the bands at 1376 -1652 cm Ϫ1 showed the presence of SiON, NH(C 2 H 3 )OOCH 3 , and CH 3 ONHOCOCH 3 , 22 all of which were characteristic groups of the amino silane used during hydrolysis in ethanol. The Lica 12 treatment, on the other hand, affected the spectrum of talc at approximately 2200 -2500 cm…”

Section: Chemical Structural Analysis With Ftir Spectroscopymentioning

confidence: 98%

Effects of filler treatments on the mechanical, flow, thermal, and morphological properties of talc and calcium carbonate filled polypropylene hybrid composites

Leong

Bakar

Ishak

et al. 2005

J of Applied Polymer Sci

View full text Add to dashboard Cite

ABSTRACT:Commercially available neoalkoxy titanate (Lica 12) and organosilane (3-aminopropyltriethoxysilane) coupling agents were used to treat talc and calcium carbonate (CaCO 3 ) to compare their effects with those of untreated fillers upon their incorporation into polypropylene (PP). Commercial stearic acid treated CaCO 3 was also used to widen the scope of the study. Single-filler PP composites (containing either talc or CaCO 3 ) and hybrid-filler composites (containing a mixture of talc and CaCO 3 ) were compounded on a twin-screw extruder and subsequently injection-molded into dumbbells. The silane and titanate treatments dramatically increased the elongation at break for both the single-filler and hybrid-filler composites, whereas stearic acid did not. There was also a moderate improvement in the impact strength of the composites, particularly those treated with Lica 12. The hybrid composites, through the synergistic coalescence of positive characteristics from talc and CaCO 3 , had exceptionally good impact properties, more so with the aid of the coupling agents. For example, the impact strength value of a Lica 12 treated hybrid composite was the greatest for all the composites studied, overshadowing the superiority of the CaCO 3 -filled PP composites, which predominantly had the highest impact properties. Further investigations of the thermal and morphological properties were also conducted to facilitate the determination of the coupling mechanisms and their interesting effects on the hybrid composites.

show abstract

“…Comparing to the uncross-linked collagen and uncross-linked collagen-GAG sponges, the cross-linked collagen and collagen-GAG sponges revealed increased absorbance peak at 1 389 cm À1 that might be assigned to the CÀN stretching vibration of secondary amine groups. [25,26] The cross-linked collagen-GAG showed another intense peak at 989 cm À1 that represents the CÀOH group vibration of sulfated polysaccharide due to addition of GAG. [27] The cross-linked collagen and collagen-GAG sponges were not dissolved in water while the uncross-linked collagen sponge was dissolved in water completely and uncross-linked collagen-GAG sponge was partially dissolved in water.…”

Section: Investigation Of Cross-linked Collagen-gag Sponges By Ftir Smentioning

confidence: 99%

Preparation of Collagen‐Glycosaminoglycan Sponges with Open Surface Porous Structures Using Ice Particulate Template Method

Grice

Naoki

et al. 2010

Macromolecular Bioscience

View full text Add to dashboard Cite

Funnel-like sponges of collagen incorporated with glycosaminoglycan (GAG) were prepared by freeze-drying using ice particulates as templates. The funnel-like collagen-GAG sponges showed similar porous structures to those of funnel-like collagen sponges. The funnel-like collagen-GAG and collagen sponges have one top surface layer and one bulk porous layer. The large, top surface pores were determined by ice particulates that were used as templates, and the inner bulk pores were determined by freezing temperature. The funnel-like pore structures facilitated homogenous cell distribution, improved cell viability, and resulted in homogenous tissue formation. Incorporation of GAG increased the mechanical property and cell viability of collagen sponges.

show abstract

Infrared Band Handbook

Cited by 58 publications

References 0 publications

Hydroxyapatite organofunctionalized with silylating agents to heavy cation removal

Hydroxyapatite organofunctionalized with silylating agents to heavy cation removal

Effects of filler treatments on the mechanical, flow, thermal, and morphological properties of talc and calcium carbonate filled polypropylene hybrid composites

Preparation of Collagen‐Glycosaminoglycan Sponges with Open Surface Porous Structures Using Ice Particulate Template Method

Contact Info

Product

Resources

About