ʻO ka waikawa acrylic, kahi mea kemika kupanaha, ua lilo i hōkū ʻālohilohi i ka ʻoihana hou ma muli o kāna hana koʻikoʻi a me nā noi nui.
He wai kala ʻole ia akā he nui ka ikehu. He ʻala ʻawaʻawa kona, e like me ka hanu o ka hana hou e hoʻokuʻu ʻia ana. Hiki ke hoʻoheheʻe ʻia i loko o ka wai, ka ethanol a me ka diethyl ether, e hōʻike ana i kona kūpono maikaʻi loa.
Ma o ka homopolymerization a i ʻole copolymerization, hana ʻia nā polymers a hoʻohana nui ʻia i nā kahua e like me nā uhi, nā mea hoʻopili, nā resins paʻa, nā hui hoʻoheheʻe a pēlā aku. Inā paha he mau uhi e hoʻohui i nā kala nani i nā hale a i ʻole nā mea hoʻopili e hoʻopaʻa pono i nā mea, hiki i ka waikawa acrylic ke hōʻike i kāna hana hope loa.
ʻO ka waikawa acrylic a me kāna mau esters, e like me nā mea maka kilokilo, e ʻālohilohi ana i ka ʻoihana kemika polymer. ʻOi aku ka nui o ka hana honua ma mua o hoʻokahi miliona tone, a ʻo ka hana o nā polymers a me nā copolymers i hana ʻia mai ia mau mea he aneane ʻelima miliona tone, e hoʻokomo ana i ka ikaika ikaika i nā ʻoihana he nui.
I loko o nā mea hoʻopili liʻiliʻi, hana maikaʻi ia ma mua o ka waiʻona polyvinyl. He maʻalahi ke hoʻololi i ka nui a hiki ke mālama i ka starch, e lawe mai ana i kahi hopena kūpono i ka ʻoihana lole. Ma ke kahua o nā mea hoʻopili, ʻo kona manaʻo lima paʻa e hoʻolilo i ka electrostatic flocking a me ka hoʻokomo ʻana o ka lauoho i mea kūpono loa. Ma ke ʻano he mea hoʻomānoanoa wai, kōkua ia i ka hoʻonui ʻana i ka hana ma nā kahua aila me nā hopena kupaianaha. I loko o nā mea hoʻopau pepa i uhi ʻia, hiki iā ia ke mālama i ke kala me ka ʻole o ka melemele a loaʻa iā ia ka hana paʻi maikaʻi loa. A ua hoʻololi ʻia nā huahana polyacrylate i nā mea kōkua polymer like ʻole e like me nā flocculants, nā mea mālama wai, nā mea hoʻolaha… Hiki ke loaʻa iā lākou ma nā wahi āpau.
ʻO ke koho ʻana i ka waikawa acrylic ʻo ia hoʻi ke koho ʻana i ka hana hou a me ka maikaʻi loa, a e hana pū kākou i kahi wā e hiki mai ana.
Ka manawa hoʻouna: Nov-26-2024
