ʻO ke kūkulu ʻana i ka hydroxypropyl methyl cellulose e pale aku i ka infiltration o ka makū i ka pā, ʻo ia ka nui o ka wai e hiki ke noho i loko o ka mortar cement e hana maikaʻi i ka wai a me ke kuleana o ka hydroxypropyl methyl cellulose i ka mortar hiki ke kūlike i ka viscosity, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai hydroxypropyl methyl cellulose kiʻekiʻe.
Ke kiʻekiʻe loa ka makū o ka hydroxypropyl methyl cellulose, e emi ana ka paʻa wai o ka hydroxypropyl methyl cellulose, a alakaʻi pololei ia i ka hana pono o ka hydroxypropyl methyl cellulose. Ua kamaʻāina mākou i nā mea e ʻoi aku ka maʻalahi o ka hana hewa ʻana, pono mākou e mālama mau, e loaʻa iā mākou nā hopena i manaʻo ʻole ʻia.
ʻO ka viscosity i ʻike ʻia he kuhikuhi nui o ka hydroxypropyl methyl cellulose. ʻO nā ʻano ana maʻamau ʻo ia ke ana ʻana i ka viscosity rotational, ke ana ʻana i ka viscosity capillary a me ke ana viscosity hāʻule.
Ma mua, ua hoʻoholo ʻia ka hydroxypropyl methyl cellulose e ke ana ʻana i ka viscosity capillary, me ka hoʻohana ʻana i ka viscometer Uhnscher. ʻO ka hāʻina ana ka mea maʻamau i ka hoʻonā wai o 2, a ʻo ke kumu: V=Kdt. ʻO V ka viscosity i kekona, K ka mea mau o ka viscometer, D ka mānoanoa ma ka wela mau, a ʻo T ka manawa e hele ai mai luna a lalo o ka viscometer i kekona. ʻOi aku ka paʻakikī o kēia ʻano hana, inā he mea hiki ʻole ke hoʻololi, maʻalahi ke hana hewa, paʻakikī ke ʻike i ka maikaʻi o ka hydroxypropyl methylcellulose.
ʻO ka pilikia o ke kūkulu ʻana i ka stratification glue he pilikia nui i hālāwai ʻia e nā mea kūʻai. ʻO ka mea mua, pono e noʻonoʻo ʻia ka pilikia o nā mea maka no ke kūkulu ʻana i ka stratification glue. ʻO ke kumu nui o ke kūkulu ʻana i ka stratification glue ʻo ia ka incompatibility ma waena o ka polyvinyl alcohol (PVA) a me ka hydroxypropyl methylcellulose (HPMC). ʻO ke kumu ʻelua, ʻaʻole lawa ka manawa hui; Aia nō hoʻi i ka hana ʻana i ke kāpili kāpili ʻaʻole maikaʻi.
I ke kūkulu ʻana i nā glues, pono e hoʻohana ʻia ka hydroxypropyl methylcellulose (HPMC) no ka mea ʻo HPMC wale nō ka lūlū ʻia i loko o ka wai a ʻaʻole hoʻoheheʻe maoli. Ma kahi o 2 mau minuke, piʻi mālie ka viscosity o ka wai, e hana ana i kahi colloid viscous transparent.
ʻO nā huahana hiki ke hoʻoheheʻe wela, i ka wai anuanu, hiki ke hoʻopuehu koke i ka wai wela, nalowale i ka wai wela, i ka wā e hāʻule ai ka mahana i kahi mahana, ʻike mālie ka viscosity, a hiki i ka hoʻokumu ʻana o ka colloid viscous. ʻO Hydroxypropyl methylcellulose (HPMC) i loko o ke kāpili hale i hoʻohui ʻia i ka nui no 2-4kg.
Hydroxypropyl methyl cellulose (HPMC) i loko o ka hale glue kemika paʻa, mildew, wai paʻa hopena maikaʻi, aʻaʻole pili i ka PH hoʻololi, viscosity mai 100 000 S - 200 000 S hiki ke hoʻohana. Akā i ka hana ʻana, ʻaʻole i ʻoi aku ka kiʻekiʻe o ka viscosity, ʻoi aku ka maikaʻi o ka viscosity a me ka ikaika paʻa, ʻoi aku ka kiʻekiʻe o ka viscosity, ʻoi aku ka liʻiliʻi o ka ikaika, maʻamau 100,000S viscosity kūpono.
Ka manawa hoʻouna: Sep-16-2022