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nūhou

1.Hoʻolauna huahana

ʻO ka polycarboxylate superplasticizer ʻano ikaika kiʻekiʻe he polycarboxylate superplasticizer i hoʻopili ʻia me ka carboxylic acid a me nā macromonomers ester.Hiki ke hoʻomaikaʻi maikaʻi ʻia ka ikaika mua o ke konima i hui pū ʻia me kēia huahana, a ʻaʻole e emi ka ikaika hope.He kūpono ia no ka hoʻomaʻamaʻa precast a me nā ʻano kiʻekiʻe kiʻekiʻe a me ka hana kiʻekiʻe, hiki ke hoʻopōkole i ka manawa demoulding a hoʻomaikaʻi i ka pono o ka huli ʻana.Loaʻa i kēia huahana nā hiʻohiʻona penei:

(1) Kiʻekiʻe ka wai hoʻemi nui, maikaʻi ka hoʻopuehu a me ka hoʻopaʻa ʻana i ka hopena ma ka sima;
(2) ʻIke ʻia ka hopena o ka hoʻonui ʻana i ka ikaika mua o ke konima, a ʻaʻohe emi o ka ikaika hope;
(3) He haʻahaʻa ka ea, e hōʻemi ana i ka hopena maikaʻi ʻole o nā ʻōpū o ka ea i loko o ke kaʻa ma ka hale i loko, a hiki ke hoʻomaikaʻi i ke ʻano o ka pahu i ka manawa like;
(4) Hiki ke hoʻololi maikaʻi i nā māka like ʻole a me nā mea hana like ʻole o ka sima, a me ka hoʻopili maikaʻi ʻana me nā mea hoʻohui.

2. Nā hiʻohiʻona huahana

(1) Kiʻekiʻe ka wai-hoʻemi nui: ʻO kēia huahana he 0.15-0.3% (ma ke ʻano o ka ʻike paʻa) a me ka nui o ka hoʻohaʻahaʻa wai o 18-40%, hiki ke hoʻokō i nā pono o ka wai-cement ultra-low. ratio a me ke kiʻekiʻe fluidity koneki.E mālama i ka 10 a 20% o ka sima.
(2) Haʻahaʻa haʻahaʻa haʻahaʻa: Hoʻopuka kēia huahana i nā kaulahao ʻaoʻao lōʻihi o nā macromolecules i ke kaʻina synthesis, ma kekahi ʻaoʻao, ke kāohi nei ia i ka hydration, a ma kekahi ʻaoʻao e hāʻawi i ka steric hindrance, hiki ke mālama i ka slurry plastic no ka manawa lōʻihi, a maikaʻi ka hana.paʻa haʻahaʻa.
(3) Ka hana maikaʻi loa: ʻO ka pahu i hoʻomākaukau ʻia me kēia huahana he hana maikaʻi, ʻaʻohe hoʻokaʻawale, ʻaʻohe delamination, cohesion maikaʻi, a kūpono no ka halihali lōʻihi a me ka pumping.
(4) Ka lōʻihi kiʻekiʻe: ʻO kēia huahana i polymerized e ka free radical aqueous solution, me ka liʻiliʻi liʻiliʻi o ka chloride ion content, kahi liʻiliʻi wale nō o ka alkali i hoʻohana ʻia no ka neutralization, haʻahaʻa loa ka haʻahaʻa alkali, ʻoi aku ka nui o ka ʻike alkali a me ka chloride ion content. paʻa, a hiki ke nui ka chlorine haʻahaʻa a me ka alkali haʻahaʻa.Hoʻomaikaʻi nui i ka lōʻihi o ke kaʻa.
(5) ʻO ka liʻiliʻi haʻahaʻa a me ka anti-cracking: Hiki i kēia huahana ke hoʻemi i ka wela o ka hydration, hoʻopaneʻe i ka piko exothermic, a kūpono hoʻi no ka nui o ka nui, hiki ke hōʻemi maikaʻi i ka haʻihaʻi ʻana o ka ʻuala ma muli o ka ʻokoʻa wela o ka hydration.
(6) Palekana kaiapuni ʻōmaʻomaʻo: Hoʻopili ʻia kēia huahana me ka wai wai radical manuahi.ʻAʻole loaʻa ka formaldehyde a me nā mea haumia ʻē aʻe.ʻAʻohe wai hoʻoheheʻe a me ka wai ʻino i ka wā o ke kaʻina hana synthesis, a ʻo ka haʻahaʻa haʻahaʻa o ke kaiapuni.He ʻano hou o nā mea kūkulu hale ʻōmaʻomaʻo a pili i ke kaiapuni.
ma ke ʻano he ʻano hoʻohui wai hoʻohaʻahaʻa kiʻekiʻe,


Ka manawa hoʻouna: Iulai-13-2022