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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.
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.
What are small molecule that form links in polymer chains?
The links in a polymer chain are covalent bonded.
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.
What is the difference between a cross linked polymer and a polymer?
A cross-linked polymer is a polymer chain that has been chemically bonded to another polymer chain, creating a network structure. This network structure gives cross-linked polymers unique properties like increased strength, rigidity, and resistance to solvents, compared to linear polymers which have individual chains that are not connected to each other.
What is one molecule called that makes up the links in a polymer chain?
Monomer is the term used to describe the individual molecule that links together to form a polymer chain.
What is the reaction that links monomers to form a chain?
Polymerization is the reaction that links monomers to form a chain. This process involves the repetitive bonding of monomer units to form a longer chain molecule known as a polymer.
Why are some polymers strechy while others are not?
The elasticity of a polymer depends on the cross-linking of its chains.
Why are some polymers strechy while some are not?
The elasticity of a polymer depends on the cross-linking of its chains.
What is a process by which adjacent chains in a polymer joined together and strengthen the polymer?
Crosslinking is the process by which adjacent chains in a polymer are joined together, forming a network of interconnected chains. This crosslinking enhances the strength and durability of the polymer by reducing flexibility and increasing resistance to breakage.
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.
How can you make the polymer stretch the farthest?
To make a polymer stretch the farthest, you can increase its chain length and flexibility by adding plasticizers or increasing the temperature. Additionally, reducing the presence of any cross-linking within the polymer structure can also enhance its stretchability.
