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Crystalline polymers have a highly ordered molecular structure with repeating patterns, while amorphous polymers have a random molecular arrangement without distinct patterns. Crystalline polymers tend to be more rigid and have higher melting points, while amorphous polymers are more flexible and have lower melting points.
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What are the differences between amorphous and crystalline polymers?
Amorphous polymers have randomly arranged molecular chains, making them flexible and transparent, while crystalline polymers have ordered molecular chains, making them rigid and opaque.
What are the differences between amorphous and semi-crystalline materials in terms of their structure and properties?
Amorphous materials have a disordered atomic structure, while semi-crystalline materials have both ordered and disordered regions. This difference in structure affects their properties, with amorphous materials being more flexible and transparent, while semi-crystalline materials are stronger and have higher melting points.
Are there physical differences between boys and girls?
Yes, there are physical differences between boys and girls. These differences include differences in anatomy, reproductive systems, hormones, muscle mass, and bone density.
What are the differences between SAXS and XRD techniques in material analysis?
SAXS (Small-Angle X-ray Scattering) and XRD (X-ray Diffraction) are both techniques used in material analysis, but they have different purposes and applications. SAXS is used to study the structure of materials on a nanometer scale, providing information about the size, shape, and arrangement of particles in a material. It is particularly useful for analyzing disordered or amorphous materials. XRD, on the other hand, is used to determine the crystal structure of materials, providing information about the arrangement of atoms in a material's crystal lattice. It is commonly used to identify crystalline phases and study the composition of materials. In summary, SAXS is used for analyzing nanoscale structures and disordered materials, while XRD is used for studying crystal structures and crystalline materials.
What is the difference between melt spinning and dry spinning?
Melt spinning is used for polymers that can be melted i.e. the polymers must have a melting temperature (thermoplastic polymers). Dry spinning is used for polymers that do no have melting temperature and need to be dissolved in solvent (thermoset polymers). In case of melt spinning, the polymer solidifies by cooling after being extruded from the spinneret. Whereas, in case of dry spinning, the polymer solidifies through evaporation of solvents and this is achieved by a stream of air or inert gas.
What are the differences between amorphous and crystalline polymers?
Amorphous polymers have randomly arranged molecular chains, making them flexible and transparent, while crystalline polymers have ordered molecular chains, making them rigid and opaque.
What are the differences between amorphous and semi-crystalline materials in terms of their structure and properties?
Amorphous materials have a disordered atomic structure, while semi-crystalline materials have both ordered and disordered regions. This difference in structure affects their properties, with amorphous materials being more flexible and transparent, while semi-crystalline materials are stronger and have higher melting points.
What are the difference between a crystalline structure and an amorphous structure?
I do not know of any polymers that are 100 percent crystalline. This is because most of the polymers you can make or buy have different molecular weights. So unlike small molecules, there are some differences in sizes between polymers. These differences prevent the polymer from being able to pack perfectly. This is the main reason why crystalline polymers also have amorphous regions.
What are 2 differences between a crystalline solid and a amorphous?
2 differences are:Crystalline solids Amorphous solids1) Definite geometrical shape. 1) Irregular shape.2) Constituent particles have 2) Constituent particles havelong-range order. short-range order.
What is diffrance between amorphous solids and crystalized solids?
Crystalline solids have a particular geometric organization of their atoms. Amorphous solids do not.
What is the difference between a crystalline solid and an amprohous solid?
An amorphous material has a non ordered structure.
What is the differences between amorphous and crystalline solids?
A crystalline solid is one where the molecules are arranged in a regular repeating pattern, leading to a rigid and stable structure. An example is diamonds or table salt. An amorphous solid have a shape that may change over time. An example is glass in a window.
What is the difference between a crystalline and an amorphous solid material?
Crystalline solids have a well-ordered arrangement of atoms or molecules in a repeating pattern, whereas amorphous solids lack a long-range order and have a random arrangement of atoms or molecules. This difference leads to variations in properties such as melting point, transparency, and mechanical strength between the two types of solids.
What is difference between amorphous and crystalline solids?
Amorphous solids do not have a regular repeating structure at the atomic level, resulting in a lack of long-range order, while crystalline solids have a well-defined, repeating atomic arrangement. Amorphous solids exhibit properties like isotropy and lack a sharp melting point, in contrast to crystalline solids that have distinct melting points and crystal structures.
Define what temperature index is related to polymers?
The value of Tg depends heavily on the mobility of the polymer chain, and for most synthetic polymers lies between 170°K and 500°K (-103°C and 227°C). Pure crystalline polymers do not have a glass transition temperature because the glass transition temperature is only applicable to amorphous polymers.
How do crystalline solids differ from amorphous?
the difference between crystalline solids and amorphous solids are that particles in crystalline solids form a regular repeating pattern but in amorphous solids they are not arranged in a regular shapeCrystals are solids with fixed, regularpatterns
What different between band gap silicon amorphous with crystaline?
Amorphous Silicon (a-Si) has band gap of about 1.7eV, whereas crystalline (c-Si) only has a band gap of 1.1eV
