1. Mea hoʻomānoanoa inorganic
ʻO ka bentonite organik ka mea i hoʻohana pinepine ʻia, ʻo ia ka montmorillonite nona ka ʻāpana nui. Hiki i kona ʻano kūikawā lamellar ke hāʻawi i ka uhi me ka pseudoplasticity ikaika, thixotropy, kūpaʻa hoʻokuʻu a me ka lubricity. ʻO ke kumumanaʻo o ka mānoanoa ʻana, ʻo ia ka pauka e omo i ka wai a pehu e hoʻomānoanoa i ka pae wai, no laila he paʻa wai kona.
ʻO nā hemahema: ke kahe maikaʻi ʻole a me ka hana pae, ʻaʻole maʻalahi e hoʻopuehu a hoʻohui.
2. Kelulose
ʻO ka mea i hoʻohana pinepine ʻia ʻo ia ka hydroxyethyl cellulose (HEC), nona ka pono hoʻomānoanoa kiʻekiʻe, nā waiwai hoʻokuʻu maikaʻi, hoʻopuehu a me ka paʻa ʻana i ka wai, ʻo ia hoʻi no ka hoʻomānoanoa ʻana i ka pae wai.
ʻO nā hemahema: ka hoʻopilikia ʻana i ke kūpaʻa wai o ka uhi ʻana, ka lawa ʻole o ka hana anti-mold, a me ka hana pae haʻahaʻa.
3. ʻAkilika
ʻO ka maʻamau, ua māhele ʻia nā mea hoʻomānoanoa acrylic i ʻelua ʻano: nā mea hoʻomānoanoa alkali-swellable acrylic (ASE) a me nā mea hoʻomānoanoa alkali-swellable associative (HASE).
ʻO ke kumumanaʻo mānoanoa o ka acrylic acid alkali-swellable thickener (ASE) ʻo ia ka hoʻokaʻawale ʻana i ka carboxylate ke hoʻoponopono ʻia ka pH i alkaline, i hoʻolōʻihi ʻia ke kaulahao molekala mai kahi helical a i kahi koʻokoʻo ma o ka isotropic electrostatic repulsion ma waena o nā ion carboxylate, e hoʻomaikaʻi ana i ka viscosity o ka pae wai. Loaʻa i kēia ʻano thickener ka pono o ka mānoanoa kiʻekiʻe, ka pseudoplasticity ikaika a me ka hoʻokuʻu maikaʻi.
Hoʻokomo ka mea hoʻomānoanoa alkali-swellable associative (HASE) i nā hui hydrophobic ma ke kumu o nā mea hoʻomānoanoa alkali-swellable maʻamau (ASE). Pēlā nō, ke hoʻololi ʻia ka pH i alkaline, ʻo ka repulsion electrostatic like-sex ma waena o nā ion carboxylate e hoʻolōʻihi i ke kaulahao molekala mai kahi ʻano helical a i kahi ʻano koʻokoʻo, kahi e hoʻonui ai i ka viscosity o ka pae wai; a hiki i nā hui hydrophobic i hoʻokomo ʻia ma ke kaulahao nui ke hui pū me nā ʻāpana latex e hoʻonui i ka viscosity o ka pae emulsion.
ʻO nā hemahema: ʻike i ka pH, lawa ʻole ke kahe a me ka pae ʻana o ka ʻili pena, maʻalahi ka mānoanoa ma hope.
4. Polyurethane
ʻO ka polyurethane associative thickener (HEUR) he polymer wai-soluble polyurethane ethoxylated i hoʻololi ʻia i ka hydrophobically, nona ka non-ionic associative thickener. Aia ia i ʻekolu mau ʻāpana: ke kumu hydrophobic, ke kaulahao hydrophilic a me ke kumu polyurethane. Hoʻonui ke kumu polyurethane i loko o ka hopena pena, a paʻa ke kaulahao hydrophilic i ka pae wai. Hoʻopili ke kumu hydrophobic me nā ʻano hydrophobic e like me nā ʻāpana latex, nā surfactants, a me nā pigments. , e hana ana i kahi ʻano pūnaewele ʻekolu-dimensional, i mea e hoʻokō ai i ke kumu o ka mānoanoa.
Hōʻike ʻia ia e ka mānoanoa o ka pae emulsion, ka hana kahe maikaʻi loa a me ka pae ʻana, ka maikaʻi o ka mānoanoa a me ka mālama ʻana i ka viscosity paʻa, a ʻaʻohe palena pH; a he mau pono maopopo kona i ke kūpaʻa wai, ka ʻōlinolino, ka transparency, a pēlā aku.
ʻO nā hemahema: i loko o ka ʻōnaehana viscosity waena a me ka haʻahaʻa, ʻaʻole maikaʻi ka hopena anti-settling ma ka pauka, a ua maʻalahi ka hopena mānoanoa e nā mea hoʻolaha a me nā mea hoʻoheheʻe.
Ka manawa hoʻouna: Dec-29-2022