Structure and mechanical characteristics of mesomorphic acetate films

Khanchich, O. A.; Yunusov, B. Yu.; Sorokin, V. E.; Serkov, A. T.

doi:10.1007/bf00545650

Cited by 1 publication

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“…This scattering pattern suggests the formation of anisometric elements oriented along the direction of shear 22. Earlier, a similar behavior was observed in oriented solutions of nematic LC poly( p ‐benzamide) 14…”

Section: Structural Transitions During the Preparation Of Cellulose Ssupporting

confidence: 81%

“…H V patterns of this type are typical for optically anisotropic media with randomly distributed rodlike elements on a micrometer scale. This is typical of nematic LCs and was observed earlier in LC solutions of rigid‐chain poly( n ‐benzamide) 14. As demonstrated in Figure 3, when the concentration rises to 50%, the integral light transmission in crossed polaroids is actually saturated.…”

Section: Structural Transitions During the Preparation Of Cellulose Ssupporting

confidence: 74%

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Structural transitions in commercial cellulose systems

Khanchich

Loshadkin

Rozantsev

2003

J of Applied Polymer Sci

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The problems of phase transitions in commercial cellulose systems during processing are considered. The formation of structures in regenerated cellulose from viscose solutions during precipitation in different regenerated baths and in highly concentrated solutions of cellulose in N-methylmorpholin-N-oxide at different temperatures and shear deformations has been selected for this review. The difficulties in defining the type of structural ordering in these systems are demonstrated. Fractal analysis is used to study the structures. A close relationship between the characteristics of the structures and the fractal dimensions is elucidated. The prospects for the different methods of regulating structures in cellulose systems are discussed.

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Section: Structural Transitions During the Preparation Of Cellulose Ssupporting

confidence: 81%

Section: Structural Transitions During the Preparation Of Cellulose Ssupporting

confidence: 74%