Ịrụ ngwa agha plasta emewo ọganihu n'ime afọ ndị na-adịbeghị anya. Ngwa ngwa plasta ewepụtala site na saịtị ọdịnala na-agwakọta onwe ya gaa na ngwa ngwa ngwakọta akọrọ na mmiri-agwakọta ugbu a. Ọganihu arụmọrụ ya na nkwụsi ike ya bụ isi ihe na-akwalite mmepe nke plasta mechanized, na ether cellulose na-eji akwa akwa akwa ihe mgbakwunye isi nwere ọrụ na-enweghị atụ. N'ime nnwale a, site n'ịgbanwe viscosity na njigide mmiri nke cellulose ether, na site na ngbanwe nke sịntetik, a na-amụ mmetụta nke ihe ngosi nyocha dị ka ọnụọgụ mmiri na-ejide mmiri, nkwụsị nke 2h, oge na-emeghe, nkwụsị nke sag, na mmiri mmiri nke plasta na-emepụta ihe na-arụ ọrụ nke mechanized. N'ikpeazụ, a chọpụtara na cellulose ether nwere njirimara nke oke njigide mmiri na ihe mkpuchi dị mma, ma dị mma karịsịa maka ịmepụta ihe eji arụ ọrụ nke plasta, na ihe niile na-egosi ngwa agha plasta na-agbaso ụkpụrụ mba.
Ọnụego njide mmiri nke plasta ngwa agha
Ọnụ ọgụgụ njide mmiri nke plasta ụrọ bụ ihe na-arịwanye elu mgbe viscosity nke cellulose ether sitere na 50,000 ruo 100,000, ọ bụkwa ihe na-ebelata mgbe ọ na-esi na 100,000 ruo 200,000, ebe nkwụsị mmiri nke cellulose ether maka ịgbasa igwe eruola karịa 93%. Ka ọnụ ọgụgụ njide mmiri dị elu nke ngwa agha ahụ dị elu, ọ ga-abụ na ngwa ngwa ga-agbapụta ọbara. N'oge nnwale ịgba mmiri na igwe na-efesa ngwa agha, a chọpụtara na mgbe ọnụọgụ mmiri nke cellulose ether dị ala karịa 92%, ngwa agha ahụ na-agbakarị ọbara ọgbụgba mgbe etinyere ya ruo oge ụfọdụ, na, na mmalite nke ịgbasa, ọ dị mfe karịsịa igbochi ọkpọkọ. Ya mere, mgbe ị na-akwadebe ngwa agha plasta kwesịrị ekwesị maka ihe owuwu nke mechanized, anyị kwesịrị ịhọrọ cellulose ether na ọnụ ọgụgụ dị elu nke njide mmiri.
Ngwa ngwa plastering 2h adịghị agbanwe agbanwe
Dị ka ihe ndị chọrọ GB/T25181-2010 “Njikere Ngwakọta Ngwakọta Ngwakọta”, abụọ-hour anọgidesi ọnwụ ọnwụ chọrọ nke nkịtị plasta ngwa agha bụ ihe na-erughị 30%. A na-eji viscosity nke 50,000, 100,000, 150,000, na 200,000 mee ihe maka nyocha nkwụsị nke 2h. Enwere ike ịhụ na ka viscosity nke cellulose ether na-abawanye, ọnụ ahịa nkwụsịtụ nke 2h nke ngwa agha ga-eji nwayọọ nwayọọ belata, nke na-egosikwa na viscosity nke cellulose ether dị elu karịa uru ahụ, ọ ka mma nkwụsịtụ nkwụsi ike nke ngwa agha ahụ na mma na-arụ ọrụ mgbochi delamination nke ngwa agha ahụ. Otú ọ dị, n'oge spraying n'ezie, a chọpụtara na n'oge ọgwụgwọ na-emepe emepe, n'ihi na viscosity nke cellulose ether dị oke elu, njikọ dị n'etiti ngwa agha na trowel ga-adịwanye ukwuu, nke na-adịghị mma maka iwu ụlọ. Ya mere, n'ihe banyere ijide n'aka na ngwa agha ahụ adịghị edozi ma ghara delaminate, ala viscosity uru nke cellulose ether, ka mma.
Ngwa ngwa plastering awa oghere
Mgbe a na-efesa ngwa agha plasta na mgbidi ahụ, n'ihi mmịnye mmiri nke mgbidi mgbidi na evaporation nke mmiri n'elu ngwa agha ahụ, ngwa agha ahụ ga-emepụta ike ụfọdụ n'ime obere oge, nke ga-emetụta nhazi ọkwa na-esote. A tụlere oge mgbụsị akwụkwọ. Uru viscosity nke cellulose ether dị na nso nke 100,000 ruo 200,000, oge nhazi adịghị agbanwe nke ukwuu, ọ nwekwara njikọ ụfọdụ na ọnụ ọgụgụ njide mmiri, ya bụ, ọnụ ọgụgụ dị elu nke njide mmiri, ogologo oge nhazi nke ngwa agha ahụ.
Mmiri nke plasta ngwa agha
Ọnwụ nke akụrụngwa ịgbasa nwere ọtụtụ ihe jikọrọ ya na mmiri mmiri nke ngwa agha plasta. N'okpuru otu mmiri-ihe onwunwe ruru, elu viscosity nke cellulose ether, ala na fluidity uru nke ngwa agha. , nke pụtara na ka viscosity nke cellulose ether dị elu, otú ahụ ka mgbochi nke ngwa agha na-esiwanye ike ma na-eyi na ngwá ọrụ. Ya mere, maka arụrụ arụrụ arụ nke ụrọ plasta, viscosity ala nke cellulose ether ka mma.
Nguzogide sag nke plasta ngwa agha
Mgbe a gbasasịrị ngwa agha plasta na mgbidi ahụ, ọ bụrụ na nguzogide sag nke ngwa agha ahụ adịghị mma, ngwa agha ahụ ga-adaba ma ọ bụ ọbụna na-apụ apụ, na-emetụta oke ngwa ngwa nke ngwa agha ahụ, nke ga-akpata nnukwu nsogbu n'iwu na-esote. Ya mere, ezigbo ngwa agha ga-enwerịrị ezigbo thixotropy na nguzogide sag. Nnwale ahụ chọpụtara na ka e wuchara cellulose ether nke nwere viscosity nke 50,000 na 100,000 kwụ ọtọ, taịlị ndị ahụ daturu ozugbo, ebe ether cellulose nwere viscosity nke 150,000 na 200,000 adaghị. A ka na-eguzobe akụkụ ahụ n'ụzọ kwụ ọtọ, ọ dịghịkwa mpụ ga-eme.
Ike nke plasta ngwa agha
N'iji 50,000, 100,000, 150,000, 200,000, na 250,000 cellulose ethers na-akwadebe ihe atụ nke ngwa agha plasta maka ịrụ ọrụ ígwè ọrụ, a chọpụtara na site na mmụba nke cellulose ether viscosity, ike uru nke plasta ngwa agha na-ebelata. Nke a bụ n'ihi na ether cellulose na-emepụta ihe ngwọta dị elu na mmiri, na a ga-ebute ọnụ ọgụgụ dị ukwuu nke ikuku ikuku kwụsiri ike n'oge usoro ngwakọta nke ngwa agha. Mgbe ciment siri ike, ikuku ikuku ndị a ga-etolite ọnụ ọgụgụ dị ukwuu nke oghere, si otú ahụ belata uru ike nke ngwa agha ahụ. Ya mere, ngwa agha plasta kwesịrị ekwesị maka ịrụ ọrụ na-arụ ọrụ ga-enwerịrị ike iru ike nke atụmatụ ahụ chọrọ, a ga-ahọrọkwa ether cellulose kwesịrị ekwesị.
Oge nzipu: Mar-15-2023