Ugbu a enwere ọtụtụ ahịa maka hydroxypropyl carboxymethyl cellulose na ọnụ ahịa na-ezighi ezi, otu esi eme ngwa ngwa na ịchọpụta ogo hydroxypropyl carboxymethyl cellulose aghọwo ihe dị mkpa!Ya mere, otu esi ekpe ikpe ogo hydroxypropyl methylcellulose?Ihe mbụ ị ga-ele anya bụ ọcha nke hydroxypropyl cellulose;ọ bụ ezie na ọcha enweghị ike ikpebi ma HPMC dị mma maka ojiji, ụfọdụ ndị na-emepụta ihe na-adịghị mma ga-agbakwunye onye na-acha ọcha n'oge nhazi, nke ga-emetụta àgwà ya.Mana n'ikwu okwu n'ozuzu, ọtụtụ n'ime ethers cellulose mara mma nwere ọcha ka mma.
Nke abuo, ọ dabere na fineness nke hydroxypropyl methylcellulose: urughuru size nke hydroxypropyl carboxymethyl cellulose bụ 80-100 ntupu, erughị 120 ntupu, na hydroxyethyl cellulose HECHPMC bụ banyere 100 ntupu.Ọtụtụ n'ime hpmc bụ 60-80 mesh.N'ozuzu, ka methyl cellulose na-adị nro, ka mgbasawanye ahụ ka mma.
Ihe doro anya nke cellulose ether na ngwọta: tinye HPMC n'ime mmiri iji mepụta ngwọta colloidal transperent, nke dị elu nke doro anya, nke dị elu nke doro anya, na-ebelata ihe ndị na-adịghị edozi ahụ.
Mgbe ngwaahịa ahụ na-ekpo ọkụ, ọ na-agbaze ma ọ bụ ọdọ mmiri wee gbazee.Ọ bụ hydrophobic na soluble.Concrete bụ isi njikọ na demulsifying akụrụngwa maka putty ntụ ntụ na-eguzogide mmiri.Ụkpụrụ nke mmiri na-eguzogide mmiri bụ nke a: mgbe a na-ejikọta ntụ ntụ ntụ na ciment na mmiri, ntụ ntụ latex ga-anọgide na-alaghachi n'ụdị emulsion mbụ, na akụkụ nke latex na-agbasasịkwa n'ime ciment slurry.Mgbe ciment zutere mmiri, mmeghachi omume hydration na-amalite, na Ca (OH) ngwọta na-erute saturation na kristal na-ebuli elu.N'otu oge ahụ, a na-emepụta kristal ettringite na calcium silicate hydrate colloid, na a na-edobe akụkụ latex na On the gel na cement cement na-adịghị edozi, ka mmeghachi omume hydration na-aga n'ihu, ngwaahịa hydration na-aga n'ihu na-abawanye, na nke nta nke nta nke nta nke nta. kpokọta na oghere nke ihe inorganic dị ka ciment, ma mee akwa akwa akwa akwa n'elu ciment gel., n'ihi mbelata nke nta nke nta nke mmiri akọrọ, ihe ndị na-emechi emechi na-agbasasị na gel na voids coagulate na-emepụta ihe nkiri na-aga n'ihu, na-eme ngwakọta na matrix interpenetrating nke ciment mado, na-eme ka ciment mado na ndị ọzọ powders The aggregates. a na-ejikọta ibe ha.
Oge nzipu: Mee-11-2023