E pili ana i ka pilikia he maʻalahi ka pauka putty e pauka, a ʻaʻole lawa ka ikaika. E like me kā mākou e ʻike nei, pono e hoʻohui ʻia ka cellulose ether e hana i ka pauka putty, hoʻohana ʻia ka HPMC no ka putty paia, a ʻaʻole hoʻohui ka nui o nā mea hoʻohana i ka pauka latex redispersible. ʻAʻole hoʻohui ka nui o ka poʻe i ka pauka polymer i mea e mālama ai i nā kumukūʻai, akā ʻo ia hoʻi ke kī i ke kumu he maʻalahi ka putty maʻamau e pauka a hiki ke loaʻa nā pilikia maikaʻi o ka huahana!
ʻO ka putty maʻamau (e like me ka putty 821) ua hana nui ʻia me ka pauka keʻokeʻo, kahi liʻiliʻi o ka pipili starch a me CMC (hydroxymethyl cellulose), a ʻo kekahi ua hana ʻia me ka methyl cellulose a me ka pauka Shuangfei. ʻAʻohe pipili o kēia putty a ʻaʻole ia e pale i ka wai.
Hiki i ka Cellulose ke omo i ka wai a pehu ma hope o ka hoʻoheheʻe ʻia ʻana i ka wai. He ʻokoʻa nā helu omo wai o nā huahana mai nā mea hana like ʻole. He kuleana ko Cellulose i ka paʻa ʻana o ka wai i loko o ka putty. Loaʻa i ka putty maloʻo kahi ikaika iki no kekahi manawa, a e hoʻoheheʻe mālie ia i ka pauka ma hope o ka manawa lōʻihi. Pili loa kēia i ke ʻano molekala o ka cellulose ponoʻī. He palupalu kēlā putty, he omo wai kiʻekiʻe, maʻalahi ke wili, ʻaʻohe ikaika, a ʻaʻohe elasticity. Inā hoʻopili ʻia ka topcoat ma luna, maʻalahi ka pohā a me ka huʻa o ka PVC haʻahaʻa; maʻalahi ka emi a me ka haki ʻana o ka PVC kiʻekiʻe; ma muli o ka omo wai kiʻekiʻe, e hoʻopilikia ia i ka hoʻokumu ʻana o ka ʻili a me ka hopena kūkulu o ka topcoat.
Inā makemake ʻoe e hoʻomaikaʻi i nā pilikia o ka putty i luna, hiki iā ʻoe ke hoʻoponopono i ke ʻano putty, e hoʻohui i kahi pauka latex redispersible e kūpono e hoʻomaikaʻi i ka ikaika hope o ka putty, a koho i ka hydroxypropyl methylcellulose HPMC kiʻekiʻe me ka maikaʻi i hōʻoia ʻia.
I ke kaʻina hana o ka hana putty, inā ʻaʻole lawa ka nui o ka pauka latex redispersible i hoʻohui ʻia, a inā hoʻohana ʻia ka pauka latex haʻahaʻa no ka putty, he aha ka hopena i ka pauka putty?
ʻAʻole lawa ka nui o ka pauka latex redispersible putty, ʻo ka hōʻike pololei loa, ʻo ia ka wehe ʻana o ka papa putty, ua ʻānai ʻia ka ʻili, nui ka nui o ka pena i hoʻohana ʻia no ka topcoating, ʻilihune ka waiwai hoʻohālikelike, ʻino ka ʻili ma hope o ka hoʻokumu ʻia ʻana o ka ʻili, a he paʻakikī ke hana i kahi ʻili pena mānoanoa. He maʻalahi kēlā mau paia i ka ʻili ʻana, ka pehu ʻana, ka ʻili ʻana, a me ka nahā ʻana o ka ʻili pena. Inā koho ʻoe i ka pauka putty haʻahaʻa, ua maopopo he hiki i nā kinoea ʻino e like me ka formaldehyde i hana ʻia ma ka paia ke hōʻeha kino i nā poʻe ʻē aʻe.
Ka manawa hoʻouna: Iune-15-2023