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1966•Journal of Polymer Science Part A-2 Polymer PhysicsRequires access

X‐ray determination of crystallinity and orientation in poly(ethylene terephthalate)

J. H. Dumbleton, B. B. Bowles

Open publisher page 68 citations

Abstract

Abstract The measurement of crystallinity and orientation in poly(ethylene terephthalate) is discussed. A simple procedure is given for the estimation of orientation from the (105) plane, and it is shown that methods which use the equatorial planes are subject to certain disadvantages. In addition a method is given for the measurement of x‐ray crystallinity. The technique is applied to fibers and films of various treatments and a linear relation is found between density and x‐ray crystallinity.

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What this paper is about

Abstract The measurement of crystallinity and orientation in poly(ethylene terephthalate) is discussed. A simple procedure is given for the estimation of orientation from the (105) plane, and it is shown that methods which use the equatorial planes are subject to certain disadvantages. In addition a method is given for the measurement of x‐ray crystallinity. The technique is applied to fibers and films of various treatments and a linear relation is found between density and x‐ray crystallinity.

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Available abstract

Abstract The measurement of crystallinity and orientation in poly(ethylene terephthalate) is discussed. A simple procedure is given for the estimation of orientation from the (105) plane, and it is shown that methods which use the equatorial planes are subject to certain disadvantages. In addition a method is given for the measurement of x‐ray crystallinity. The technique is applied to fibers and films of various treatments and a linear relation is found between density and x‐ray crystallinity.

Key concepts: Crystallinity, Poly ethylene, Materials science, Orientation (vector space), Ethylene, Plane (geometry), Polymer chemistry, Composite material

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