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What is the difference between end bonds and side bonds?
End bonds are bonds that occur at the end of a polymer chain, while side bonds are bonds between adjacent polymer chains. End bonds affect the overall properties of the polymer, such as reactivity and stability, while side bonds are important for the overall strength and integrity of the polymer structure.
Is Teflon a thermosetting polymer?
No, Teflon is not a thermosetting polymer. It is a thermoplastic polymer. Thermosetting polymers undergo a chemical reaction to form a stable, cross-linked structure when heated, while thermoplastic polymers soften when heated and harden when cooled. Teflon belongs to the latter category.
How is melamine formaldehyde made?
Melamine formaldehyde is made by reacting melamine with formaldehyde in the presence of an acidic or alkaline catalyst. The reaction forms a polymer with cross-linked structures, resulting in a thermosetting plastic that is durable, heat-resistant, and resistant to scratching and staining.
When sodium borate cross-linked with polyvinyl alcohol what does it make?
When sodium borate cross-links with polyvinyl alcohol, it creates a hydrogel. This hydrogel is a network of polymer chains that can absorb and retain large amounts of water. It is often used in biomedical applications, such as wound dressings or contact lenses, due to its biocompatibility and tunable properties.
What are cross-linked clusters?
Cross-linked clusters are groups of interconnected particles or molecules that are bound together through chemical or physical interactions. These interactions create a network structure that provides strength and stability to the cluster. Cross-linked clusters are commonly found in materials such as gels, polymers, and some types of biological tissues.
What is cross-linked?
covalent bonds between chains of molecules of a polymer or polymers, fastening the chains together. See also cross-linked polymer, under polymer.
Why does cross-linking a polymer like polyvinyl alcohol or rubber change its properties How would you make a diagram showing the relationships between a monomer a polymer and cross-liked polymer?
Cross-linking a polymer like polyvinyl alcohol or rubber creates covalent bonds between individual polymer chains, which enhances the material's mechanical strength, elasticity, and thermal stability. This process restricts the movement of polymer chains, resulting in a more rigid and durable structure compared to the unlinked form. To illustrate these relationships in a diagram, you could depict a monomer as a single unit, show it joining to form a polymer (a long chain of repeating units), and then represent cross-linking by drawing connections between different polymer chains to highlight the network structure of the cross-linked polymer.
What is difference between monocross and linked type monocross suspension?
Mono cross means the single suspension system also called as mono cross suspension . this is called as Mono cross.
What is full form of the XLPE?
The full form of XLPE is Cross-Linked Polyethylene. XLPE is a type of polyethylene in which the polymer chains are chemically linked, or cross-linked, to improve its thermal and mechanical properties. This cross-linking enhances the material's resistance to heat, pressure, and environmental stress, making it suitable for use in insulation for high-voltage cables and wires.
What is the difference between end bonds and side bonds?
End bonds are bonds that occur at the end of a polymer chain, while side bonds are bonds between adjacent polymer chains. End bonds affect the overall properties of the polymer, such as reactivity and stability, while side bonds are important for the overall strength and integrity of the polymer structure.
How does pex change the property of a polymer changing shape when heated?
PEX, or cross-linked polyethylene, alters the properties of polymer by creating a network of covalent bonds between polymer chains during the cross-linking process. This structure enhances the thermal stability and resilience of the material, preventing it from melting and allowing it to retain its shape when heated. As a result, PEX exhibits improved resistance to deformation and better performance under temperature fluctuations compared to non-cross-linked polyethylene. This makes PEX suitable for applications like plumbing and heating systems where shape retention is crucial.
What is the roll of borax in making the polymer?
Borax plays the role of a cross-linking agent in making polymer slime. It forms cross-links between the polymer chains, which helps to give the slime its unique stretchy and squishy properties.
What is protein crosslinking?
This protein crosslinking consists of between primary amine (lysine) and sulfhydryl (cysteine) groups of proteinsand other molecules; which are available with different lengths and types of spacer arms.
What is link?
covalent bonds between chains of molecules of a polymer or polymers, fastening the chains together. See also cross-linked polymer, under polymer.
What are the difference between clustering and cross enrollment?
what are the difference between clustering and cross enrollment
Difference between cross section and block diagram?
difference between cross section and block daigram
Why does Cross-links between polymer chains increase the melting point?
Cross-links usually occur when a polymer molecule is at a larger size. A larger sized molecule is held together by stronger covalent bonds, and henceforth the force between the molecules is stronger. As the force between the molecules gets stronger, more energy is needed to separate them, meaning the melting point increases.
