ʻO Polydadmac.

Hoʻohana pinepine ʻia ia ma ke ʻano he flocculant a i kekahi manawa hui pū ʻia me ka algicide. ʻO nā inoa kālepa e komo pū me agequat400, St flocculant, pink cure, cat floc, etc. Loaʻa iā PDMDAAC ka hopena synergistic me wscp a me poly (2-hydroxypropyl dimethyl ammonium chloride). Hoʻohana nui ʻia ʻo 413 ma ke ʻano he kōkua coagulant i ka mālama ʻana i ka wai ʻoihana. Ma hope o ka hoʻohui ʻana i ka alum coagulant, hiki ke mālama ʻia ka nui o ka coagulant e 30%. No ka laʻana, ma hope o ka hoʻohui ʻana i 20 mg / L polyaluminium chloride, e hoʻohui i 0.1-0.2 mg / L Polydimethyldiallyl ammonium chloride e hoʻonui i ka pono.

ʻO ka pae kaumaha molekala o PDADMAC he 50000 a 700000 maʻamau, a ʻo ka viscosity dynamic o 20% aqueous solution he 50-700cps; ʻO ke kaumaha molekala o nā huahana me ke kiʻekiʻe o ka polymerization hiki ke hiki i 1000000 a 300000, a ʻo ka viscosity dynamic he 1000-3000 CPS. ʻO ka viscosity intrinsic he 80-300ml / g, a ʻo ka viscosity kiʻekiʻe hiki ke hiki i 1440ml / g. ʻO ka huahana maʻamau he 10-50% solution me ka density o 1.02-1.10 g / ml. Pono ka dosage i ka wai inu ma lalo o 10mg / L (Taiwan).

He hopena polyelectrolyte koʻikoʻi ka hana viscosity o ka hopena wai PDMDAAC. Hoʻemi ka viscosity intrinsic me ka hoʻonui ʻia o ka nui o ka paʻakai i hoʻohui ʻia. Ke ʻoi aku ka nui o ka NaCl ma mua o 1 m, ʻoi aku ka liʻiliʻi o ka loli o ka viscosity intrinsic me ka nui o ka paʻakai i hoʻohui ʻia. Ana ʻia ka viscosity intrinsic e ka viscometer Ubbelohde i loko o ka hopena 1 M NaCl ma 30 ℃, a hiki ke loaʻa ke kaumaha molekala awelika o ka viscosity e like me ke ʻano.

Hiki ke loaʻa ke kaumaha molekala o PDMDAAC mai ke ʻano hana ma lalo nei, kahi i ana ʻia ai ka viscosity intrinsic i loko o ka hopena 1 M NaCl ma 30 ℃: 407.

[ η] = 1.12 * 10-4M0. kanawalukūmālua

Ua aʻo ʻo Huang lāua ʻo Reichert i ka pohō kaumaha wela o PDMDAAC ma nā pae mahana like ʻole. ʻO ka pohō kaumaha 53.3-130 ℃ ma muli o ka pohō wai; E mālama ʻole ma waena o 130-200 ℃; ʻO ka pohō kaumaha ma 200-310 ℃ he 41.4%, ma muli o ka palaho wela. ʻAʻole i loaʻa kahi kiko heheʻe i ka wā o ke kaʻina hana hoʻomehana holoʻokoʻa. ʻO ka mahana hoʻololi aniani o PDMDAAC me ke kaumaha molekala o 33 kDa he 8 ℃.

ʻOi aku ka liʻiliʻi o ka ʻawahia o ka PDADMAC i ka iʻa ʻānuenue ma mua o ka chitosan (Waller et al. 1993). Eia nō naʻe, he mau kapu ko ka PDADMAC no ka mālama ʻana i ka wai i ka nui o ka monomer.

Loaʻa i ka PDMDAAC ma Kina ka nui o ka monomer. Ua hoʻāʻo ʻia ka PDMDAAC o nā hale hana kemika ʻelua a ua ʻike ʻia he 12.5% ​​a me 7.89% ka nui o ka monomer (i helu ʻia he paʻa. I hoʻololi ʻia i 40%, ʻo ka nui o ka huahana he 5.0% a me 3.2%), ʻoi aku ka nui ma mua o ke Kūlana ʻAmelika o 0.2% a me ke kūlana ʻEulopa o 0.5%. 380 no nā huahana me ka ʻike monomer i kuhikuhi ʻole ʻia, ʻoi aku paha ke kiʻekiʻe o ka ʻike monomer. Hāʻawi ʻia ka viscosity intrinsic o ka PDMDAAC e loaʻa ana ka monomer e kēia ʻano: 411.

log[ η'] = log[ η] + lgX';

[380] Brown et al., 2007; Puschner et al., 2007.

[407] Zhao Huazhang, Gao Baoyu Ka holomua o ka noiʻi ʻana o ka dimethyl diallyl ammonium chloride (DMDAAC) polymer Ka mālama wai ʻoihana 1999, (6).

[411] Jia Xu, Zhang Yuejun Ka hopena o ka hoʻololi ʻana o ka monomer ma ka viscosity intrinsic o Polydimethyldiallyl ammonium chloride Journal of Nanjing University of Technology (NATURAL SCIENCE EDITION) 2010, 34(6), 380-385.

[413] Palapala Sila Nui US 5529700, Nā ʻAno Algicidal a i ʻole Algistatic i Loaʻa nā Polymers Ammonium Quaternary. hoʻokahi tausani ʻeiwa haneri kanaiwakumamālima.