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What are the factors that influence crystallinity?
In general it can be said that the most important factor affecting the crystallinity is the structure of the components used in polymer synthesis. If the polymer synthesized has a very symmetrical structure, then we can say that a highly crystalline material will form. The tacticity of the polymer is also important factor affecting the crystallinity. If the components are reacting in an ordered way, like syndiotactic PET, the material will be highly crystalline. But if the PET is atactic then it will be highly amorphous,even if the components of the polymer are the same.
Type of polymerization?
Polymerization is the procedure of reacting monomer molecules together with chemical reactions to create a polymer chain or three-dimensional network. There are two types of polymerization which are the condensation polymerization and addition polymerization.
Is polycarbonate strong?
The essential reaction is between phosgene and bisphenol.
Which types of polymerization techniques are used to make polystyrene?
Atactic and syndiotactic polymerization.
Describe the following term in synthetic polymers syndiotactics?
In synthetic polymers, syndiotactic refers to a specific arrangement of monomer units in a polymer chain where the side groups alternate positions on opposite sides of the main chain. This arrangement can lead to unique material properties, such as increased stiffness and crystallinity, compared to atactic or isotactic polymers.
What are the factors that influence crystallinity?
In general it can be said that the most important factor affecting the crystallinity is the structure of the components used in polymer synthesis. If the polymer synthesized has a very symmetrical structure, then we can say that a highly crystalline material will form. The tacticity of the polymer is also important factor affecting the crystallinity. If the components are reacting in an ordered way, like syndiotactic PET, the material will be highly crystalline. But if the PET is atactic then it will be highly amorphous,even if the components of the polymer are the same.
State whether atactic polyvinyl chloride and isotactic polypropylene or not it is possible to determine whether one polymer is more likely to crystallize than the other?
Yes, it is possible to determine whether one polymer is more likely to crystallize than the other. Generally, isotactic polymers tend to have a higher tendency to crystallize compared to atactic polymers due to the regular arrangement of their side groups. So, in this case, isotactic polypropylene is more likely to crystallize than atactic polyvinyl chloride.
Type of polymerization?
Polymerization is the procedure of reacting monomer molecules together with chemical reactions to create a polymer chain or three-dimensional network. There are two types of polymerization which are the condensation polymerization and addition polymerization.
What are some seven letter words with 1st letter A and 4th letter C and 6th letter I?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern A--C-I-. That is, seven letter words with 1st letter A and 4th letter C and 6th letter I. In alphabetical order, they are: acyclic arachis atactic
What are some seven letter words with 1st letter A and 2nd letter T and 4th letter C?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern AT-C---. That is, seven letter words with 1st letter A and 2nd letter T and 4th letter C. In alphabetical order, they are: atactic atocias
What are some seven letter words with 1st letter A and 4th letter C and 5th letter T?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern A--CT--. That is, seven letter words with 1st letter A and 4th letter C and 5th letter T. In alphabetical order, they are: abactor atactic
What are some seven letter words with 1st letter A and 3rd letter A and 4th letter C and 6th letter I?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern A-AC-I-. That is, seven letter words with 1st letter A and 3rd letter A and 4th letter C and 6th letter I. In alphabetical order, they are: arachis atactic
What are some seven letter words with 1st letter A and 3rd letter A and 4th letter C and 7th letter C?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A-AC--C. That is, seven letter words with 1st letter A and 3rd letter A and 4th letter C and 7th letter C. In alphabetical order, they are: atactic
What are some seven letter words with 1st letter A and 4th letter C and 5th letter T and 6th letter I?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A--CTI-. That is, seven letter words with 1st letter A and 4th letter C and 5th letter T and 6th letter I. In alphabetical order, they are: atactic
What are some seven letter words with 1st letter A and 2nd letter T and 6th letter I?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 8 words with the pattern AT---I-. That is, seven letter words with 1st letter A and 2nd letter T and 6th letter I. In alphabetical order, they are: atabrin atactic atebrin atresia atresic atretic atropia atropin
