ʻEwalu mau mea o nā mīkina lima pale kemika a me nā kikoʻī i ke kikoʻī

Loan pale pale kemika

He ʻāpana nui ia o ka hana kemika a hiki ke pale i ke olakino o nā limahana. Nui ka poʻe i ʻike i nā mīkina lima pale kemika, akā ʻaʻole lawa ka ʻike e pili ana iā ia. Eia he ʻewalu mau ʻano o nā mikini pale pale kemika, a me kahi wehewehe pōkole o ko lākou manaʻo maʻamau e pili ana.

 

ʻO ka mea mua: latex maoli

'Lelo maʻamau, ʻoi aku ka maikaʻi o ka pale o ka latex kūlohelohe no nā wai aqueous, e like me nā haʻina wai a me nā wai wai alkaline. ʻO nā mea hōʻoluʻolu, hōʻoluʻolu maikaʻi a hoʻohana maʻalahi.

 

ʻO ka lua o ka ʻano: Nitrile

Loaʻa iā ia nā pale pale maikaʻi e kūʻē i ka aila, ka hamo, nā huahana petrochemical, nā lubricants a me nā mea hoʻoheheʻe like ʻole. Eia nō naʻe, hiki i ka pehu ʻana i kekahi o nā mea hoʻoheheʻe, e hoʻopili ana i kāna mau kino a hōʻemi i ka pale.

 

ʻO ke ʻano ʻekolu: polyvinyl chloride (PVC)

He hopena pale ia ma ka helu nui o nā mea kemu i hiki ke hoʻoheheʻe ʻia i ka wai, e like me nā waikawa a me nā alkali, akā ʻaʻole hiki ke pale i nā meaola e like me nā mea hoʻoheheʻe, no ka mea he nui nā mea hoʻoheheʻe e hoʻoheheʻe i nā plasticizers i loko o ia mea, ʻaʻole ia e kumu wale i ka haumia, hoʻēmi nui hoʻi i ka hana pale o nā mīkina lima.

 

ʻEhā: Neoprene:

ʻAneʻane like ia me ka ʻoluʻolu e like me ka lākeke maoli. He palekana maikaʻi ia no nā huahana petrochemical a me nā lubricants, hiki iā ia ke pale aku i nā kukuna ozone a me nā kukuna ultraviolet, a he ikaika hoʻi i nā kūnewa kūnewa.

 

ʻO ka ʻelima: polyvinyl alkohol:

He hopena pale maikaʻi kona ma nā hapa nui o nā mea hoʻoheheʻe maoli, akā maʻalahi hiki ke hoʻoheheʻe ʻia i ka wai, a e hoʻemi ʻia kona hopena ma hope o ka hālāwai ʻana me ka wai, a paʻakikī a paʻakikī hoʻi nā mea i ka hana.

 

ʻEono: kāpili synthetic butyl

He hopena pale maikaʻi kona ma nā mea hoʻohui a me nā waikawa ikaika. He paʻakikī e hana a hana. ʻAʻohe ona ʻano pale i nā aila a me nā momona, akā he waiwai pale maikaʻi loa ia ma nā kinoea.

 

ʻEhiku: Pākuʻi Fluorine

ʻO ka polymer Fluorinated, like ka substrate me Teflon (polytetrafluoroethylene), a haʻahaʻa kona ikehu hoʻoulu ʻana, no laila ʻaʻole e noho nā droplets ma ka ʻili, kahi e pale ai i ke komo ʻana o ka kemika. He mea maikaʻi loa ia no nā mea hoʻoheheʻe i loko o ka chlorine a me nā hydrocarbons onaona. Ka hopena pale maikaʻi.

 

ʻOwalu: Chlorosulfonated polyethylene:

He waiwai pale nona no ka hapanui o nā mea kemika, hiki ke pale i nā alkalis, nā aila, nā wahie a me nā mea hoʻoheheʻe he nui, a he kūpaʻa maikaʻi i nā mahana kiʻekiʻe a haʻahaʻa, ʻaʻa i ke kūpaʻa, kūlou kūʻē a pēlā aku.

ʻO ka mea i hoʻohana pinepine ʻia he hopena maoli, butyronitrile, a me polyvinyl chloride (PVC) no ka ulana ʻana i nā ʻume lima lima.


Ka manawa Post: Jul-06-2020