Chemistry, asked by jyotrimayi, 1 year ago

Briefly explain Texture of polymers

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Answered by beingrohit6645

Answer:

Texture of Polymers. the physical structure of polymeric bodies that is caused by various types of order of macromolecules. ... The crystallites in turn combine to yield more complex forms of texture (for example, fibrils, spherulites, and spherulite concretions in the form of bands and lamina).

Answered by AnusritaS98

Answer:

A polymer is a huge molecule, or macromolecule, that is fundamentally made up of a number of smaller molecules. Natural polymers are those found in plants and animals; synthetic polymers are those manufactured by humans (synthetic polymers). Due to their various distinctive physical and chemical characteristics, several polymers are used in daily life.

What is the Texture of Polymer?

The physical makeup of polymeric substances that results from different kinds of macromolecular organisation.
The macromolecules in amorphous polymers have short-range order, which is apparent in much greater volumes and lasts longer than in amorphous low-molecular-weight substances due to their huge size and reduced mobility.
The Soviet scientists V. A. Kargin, A. I. Kitaigorodskii, and G. L. Slonimskii came to the conclusion that the simplest types of texture in the amorphous state of polymers are globular or fibrillar (bundle) aggregates of macromolecules, which are long-lived fluctuation formations of large dimensions.
They made this conclusion by comparing the cluster formation of liquids with the structure of amorphous polymeric materials.
In the presence of highly interacting groups, these extremely simple structures, which are created even by the action of weak (van der Waals) forces, are capable of aggregating into more complicated, still understudied forms of texture (for example, ionic groups).
When amorphous polymers move from the vitreous state via the hyperelastic state and into the viscous-flow state, their texture becomes less established and more mobile.
One of the basic types of texture is produced when macromolecules in polymers that are in the crystalline state aggregate to form different types of crystallites.
The crystallites then mix to produce more intricate textures (for example, fibrils, spherulites, and spherulite concretions in the form of bands and lamina).
Often, optical or electron microscopy can be used to directly observe these shapes.
The physical qualities of polymers, which are not solely dictated by their chemical structure, are significantly influenced by differences in texture.
The qualities of the polymeric material are significantly affected by controlled changes in the texture, which may be caused by thermal, mechanical, and other types of action (in production of high-strength fibres and films and in modification of plastics). One reason why polymeric products age is because their texture changes as they are used.