He aha ka Polymerization?

ʻO ka polymerization kahi hopena kemika kahi i hui pū ʻia ai nā monomers (mau moleke liʻiliʻi) e hana i polymer (he mole nui). Hoʻopili kēia kaʻina hana i ka hoʻokumu ʻana i nā mea paʻa covalent ma waena o nā monomers, e hopena i kahi ʻano kaulahao me nā ʻāpana hana hou.

Hiki ke hana ʻia ka polymerization ma o nā ʻano hana like ʻole, me ka polymerization hoʻohui a me ka polymerization condensation. Ma waho aʻe o ka polymerization, ua hui pū ʻia nā monomers ma o ke ʻano o nā hopena kemika e hoʻohui i hoʻokahi monomer i ka manawa i ke kaulahao polymer ulu. Pono kēia kaʻina hana i ka hoʻohana ʻana i ka catalyst e hoʻomaka i ka hopena. ʻO nā laʻana o nā polymers hoʻohui ʻia he polyethylene, polypropylene, a me ka polystyrene.

ʻO ka polymerization condensation, ma ka ʻaoʻao ʻē aʻe, pili i ka hoʻopau ʻana i kahi mole liʻiliʻi, e like me ka wai a i ʻole ka waiʻona, i ka hui ʻana o nā monomers e hana i ka polymer. Pono kēia kaʻina hana i ʻelua mau ʻano monomer like ʻole, kēlā me kēia me kahi hui reactive hiki ke hana i kahi paʻa covalent me kekahi. ʻO nā laʻana o nā polymers condensation ʻo ia ka nylon, polyester, a me ka polyurethane.

Hoʻohana ʻia ka polymerization i kahi ākea o nā noi, me ka hana ʻana i nā plastics, fibers, adhesives, coatings, a me nā mea ʻē aʻe. Hiki ke hoʻopili ʻia nā waiwai o ka polymer hopena ma ka hoʻoponopono ʻana i ke ʻano a me ka nui o nā monomers i hoʻohana ʻia, a me nā kūlana o ka hopena polymerization.