Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Joseph J. Creely"'
Autor:
Joseph J. Creely, Ricardo H. Wade
Publikováno v:
Journal of Polymer Science: Polymer Letters Edition. 16:291-295
Publikováno v:
Connective Tissue Research. 18:107-122
Studies have been performed to evaluate both the relative amounts and molecular forms of the collagens synthesized by an established line of cultured rat kidney epithelial (clone NRK52E) cells. The collagens secreted into the culture medium and extra
Publikováno v:
Journal of Polymer Science. 20:29-36
Well-decrystallized cotton yarn, the remaining organized regions of which consisted predominantly of crystalline cellulose III, was subjected to partial solvolysis in aqueous and methanolic hydrochloric acid. From x-ray examination of the residues a
Publikováno v:
Journal of Applied Polymer Science. 5:163-170
The cellulose of cotton yarns was reacted with acrylonitrile under conditions preventing their longitudinal contraction. Changes taking place in the fine structure of the fiber were studied by means of optical microscopy, density measurements, x-ray
Autor:
Joseph J. Creely, Carl M. Conrad
Publikováno v:
Textile Research Journal. 32:184-189
Previous x-ray diffraction studies of cellulose derivatives and other organic com pounds have shown that heat often has important effects, facilitating crystallization, transitions, and polymorphic transformations. However, the application of heat tr
Autor:
Joseph J. Creely, Carl M. Conrad
Publikováno v:
Textile Research Journal. 35:184-187
Autor:
Leon Segal, Joseph J. Creely
Publikováno v:
Journal of Polymer Science. 50:451-465
Complete conversion of the cellulose crystal lattice to that of the ethylenediamine-cellulose complex can be attained with aqueous ethylenediamine solutions of 60% and greater. Cellulose in the form of loose cotton yarn or woven fabric immersed in 98
Autor:
Carl M. Conrad, Joseph J. Creely
Publikováno v:
Journal of Polymer Science. 58:781-790
Cotton cellulose in the form of scoured yarn was acetylated at 15°C. in a mixture of isopropyl acetate and acetic anhydride in the presence of perchloric acid catalyst to various degrees from 1.1 to 2.9 acetyl groups per anhydroglucose unit. For com
Publikováno v:
Textile Research Journal. 26:789-795
An improved technique is described for the quantitative determination of the degree of crystallite orientation of cellulose in cotton and related cellulosic fibers, using the X-ray diffraction spectrometer with potentiometer recording and a rotating
Publikováno v:
Textile Research Journal. 29:786-794
An empirical method for determining the crystallinity of native cellulose was studied with an x-ray diffractometer using the focusing and transmission techniques. The influence of fluctuations in the primary radiation and in the counting and recordin