Usoro ndabere
Ntụ ntụ rọba a na-akpọ Redividable bụ ntụ ntụ siri ike ọcha nke a na-esi n'ịgbasa ma kpọọ latex pụrụ iche. A na-ejikarị ya eme ihe dị ka ihe mgbakwunye dị mkpa maka "otu puku ngwakọta" na ihe mgbakwunye moto ndị ọzọ a na-akpọ akọrọ maka ihe owuwu ụlọ mkpuchi mgbidi mpụga. . Ntụ ntụ latex a na-ejikarị eme ihe bụ copolymer nke vinyl acetate, nke bụ ntụ ntụ ọcha nke nwere ike ịmịgharị n'enweghị nsogbu ma nwee ike ịgbasa ya nke ọma na mmiri iji mepụta emulsion kwụsiri ike nke nwere otu arụmọrụ dị ka latex mbụ. Dịka ihe mgbakwunye dị mkpa na ngwaahịa moto akọrọ, ntụ ntụ latex a na-akpọ redispensable na-arụ ọrụ dị mkpa na moto akọrọ simenti akọrọ. Ọ nwere ike ime ka ike njikọ na njikọ nke ihe ahụ ka mma. Melite ike mgbagọ na ike flexural nke ihe ahụ. Melite ike mgbagọ na-agbanwe agbanwe nke ihe ahụ. Melite ike mgbagọ na-agbanwe agbanwe nke ihe ahụ. Melite ike iguzogide ihu igwe, ogologo oge, iguzogide iyi nke ihe ahụ. Melite hydrophobicity nke ihe ahụ ma belata nnabata mmiri. Melite ike ịrụ ọrụ ma belata mkpụkọ ihe. Nwere ike igbochi mgbawa nke ọma. (I) Melite ike njikọ na njikọ
N'ime ngwaahịa simenti kpọrọ nkụ, ọ dị oke mkpa itinye ntụ rọba a na-agbagharị agbagharị. O doro anya na ọ na-eme ka ike njikọ na njikọta nke ihe ahụ dịkwuo mma. Nke a bụ n'ihi na mkpụrụ polima ahụ abanye n'ime oghere na capillaries nke matrix simenti, yana nsonaazụ nke ezigbo ike njikọta mgbe mmiri gachara na simenti ahụ. N'ihi ezigbo nrapado nke resin polymer n'onwe ya, ọ nwere ike ime ka nrapado nke ngwaahịa simenti na ihe ndị e ji eme ihe dị mma dịkwuo mma, ọkachasị njikọ nke ihe ndị na-adịghị mma dịka simenti na ihe ndị e ji eme ihe dị ka osisi, eriri, PWC, na PS. Mmezi nke arụmọrụ adịghị mma nwere mmetụta doro anya karịa.
Mbelata mgbagọ na iguzogide nrụgide ka mma
N'ime ọkpụkpụ siri ike e mepụtara mgbe mmiri simenti mịchara, ihe nkiri nke polima ahụ na-agbanwe agbanwe ma sie ike, ọ na-arụkwa ọrụ dị ka njikọ na-agagharị agagharị n'etiti ihe ndị e ji simenti mee, nke nwere ike iguzogide ibu dị elu na-agbanwe ma belata nrụgide.
Meziwanye iguzogide mmetụta
Ntụ ntụ latex nke a na-akpọ Redispersible bụ resin thermoplastic. Ihe mkpuchi dị nro nke a kpụchara n'elu ihe ndị e ji ụrọ kpụọ nwere ike ịmịkọrọ mmetụta nke ike mpụga ma zuru ike n'emebighị emebi, si otú a na-eme ka iguzogide mmetụta nke ụrọ kpụọ dịkwuo mma.
Meziwanye hydrophobicity ma belata mmịpụta mmiri
Ịtinye ntụ latex a na-agbagharị agbagharị nwere ike ime ka obere nhazi nke simenti mma. Polymer ya na-emepụta netwọk a na-apụghị ịgbanwe agbanwe n'oge usoro mmiri simenti, na-emechi capillary dị na jel simenti, na-egbochi mmịpụta mmiri, na-egbochi ịbanye mmiri, ma na-eme ka mmiri ghara ịbanye nke ọma.
Meziwanye iguzogide iyi na ogologo oge
Ịtinye ntụ ntụ rọba a na-agbanwe agbanwe nwere ike ime ka obere ihe dị n'etiti ihe ndị e ji simenti mee na ihe nkiri polymer dịkwuo mma. Mmelite nke ike njikọ aka na-eme ka ikike nke ihe mkpuchi ahụ dịkwuo mma iji nagide nrụgide ịkpụ, na-ebelata ọsọ iyi, na-eme ka iguzogide iyi dịkwuo mma, ma na-eme ka ndụ ọrụ nke ihe mkpuchi ahụ dịkwuo ogologo.
Meziwanye nkwụsi ike na igbaze ma gbochie mgbawa ihe nke ọma
Ntụ ntụ latex nke a na-agbanwe agbanwe, mmetụta plastik nke resin thermoplastic ya nwere ike imeri mmebi nke mmụba okpomọkụ na mkpụkọ nke ihe simenti nke mgbanwe nke ọdịiche okpomọkụ kpatara. Imeri adịghị ike nke ngwa simenti dị mfe, dị ka nnukwu mkpụkọ akọrọ na mgbawa dị mfe, nwere ike ime ka ihe ahụ dịkwuo mfe, si otú a melite nkwụsi ike ogologo oge nke ihe ahụ. Agbanyeghị, enwere nsogbu ụfọdụ na usoro mmepụta nke ntụ latex nke a na-agbanwe agbanwe na nka gara aga, nke na-eme ka ihe ndị dị na latex adịghị otu ma dị mma nke ọma, njikọta na-adịkarịkwa mgbe a na-emepụta, na-ebuga na nchekwa. Site na nke a, ọ na-emetụta mmetụta ojiji ya.
Enwere ike ime usoro a site na ngwọta teknụzụ ndị a: usoro mmepụta nke ntụ latex azụ gbasasịrị agbagharị agbagharị, a na-emepụta ihe ndị a dịka pasentị ibu nke emulsion polymer dị 72-85%; colloid nchebe 4-9%; ihe nnọchite anya ntọhapụ 11-15%; ihe mgbakwunye ọrụ 0-5%; emepụtara site na usoro ndị a
a, nkwadebe nke colloid nchebe: n'ime ketulu mmeghachi omume, a naghị agwakọta ntụ ntụ colloid nchebe nke ọnụọgụ ngwakọta na mmiri ma kpoo ọkụ ka e wee gbanwee ya ka ọ bụrụ gluu, a na-agbakwunye defoamer, kpoo ọkụ ma debe ya ọkụ iji mepụta colloid nchebe doro anya, ka viscosity wee ruo 2500as, siri ike. Ọdịnaya ahụ ruru 19.5-20.5%.
b. Nkwadebe nke mgbasa: tinye colloid nchebe akwadoro n'ime ketulu nkwadebe, wee tinye polymer emulsion nke ọnụọgụ batching, gwakọta ya nke ọma, wee tinye defoamer ma tinye mmiri iji gbanwee viscosity ruo 70-200Mas, ọdịnaya siri ike ahụ na-eru 39%-42%, na-ekpo ọkụ ruo 50-55°
C, maka ojiji;
C, igwe ojii na-akpọ nkụ: mepee ụlọ elu nkụ nke igwe ojii, mgbe okpomọkụ nke ntinye nri dị n'elu ụlọ elu nkụ nke igwe ojii na-akpọ nkụ ruru 140-150 DEG C, a na-ebuga mgbasa ahụ akwadoro na ntinye nri dị n'elu ụlọ elu nkụ nke na-akpọ nkụ site na iji ọkpọkọ skru. N'ọdụ ụgbọ mmiri, a na-eme ka mmiri mgbasa ahụ ghọọ obere ntapụ mmiri nwere dayameta nke 10-100 microns site na diski atomization centrifugal dị elu na ọdụ ụgbọ mmiri. N'otu oge ahụ, a na-eme ka obere ntapụ mmiri ọkụ ngwa ngwa site na ikuku okpomọkụ dị elu, ma n'otu oge ahụ, a na-agbakwunye ihe na-eme ka mwepụta ahụ dị na ikuku okpomọkụ dị elu. , mgbe a na-eme ka obere ntapụ mmiri ọkụ iji mepụta viscosity, a na-arapara ihe na-eme ka mwepụta ahụ dị na obere ntapụ mmiri n'oge, mgbe ahụ, mmiri dị na obere ntapụ mmiri ọkụ na-apụ ngwa ngwa ka ọ kpọọ nkụ site na ikuku okpomọkụ dị elu iji mepụta ngwakọta gas siri ike;
d, oyi na nkewa: debe okpomọkụ nke ikuku nke ihe mkpuchi ikuku nke ihe mkpuchi ikuku nke ụlọ elu na-akpọ nkụ na 79°C-81°C, a na-ebupụkwa ngwakọta gas na-esi na ikuku dị n'ala ụlọ elu na-akpọ nkụ ngwa ngwa, wee bubata ya na nnukwu nzacha akpa mgbe ọ jụrụ oyi. A na-ekewapụ ntụ ntụ dị na ikuku na-efe efe ma kewaa ntụ ntụ nkewa ma sie ya iji nweta ngwaahịa emechara nke ntụ latex a gbanyere agbagharị. Ihe ndị a kapịrị ọnụ Tinye obere mmiri dị ọcha dịka ihe mkpuchi dị ọcha si dị, bulie okpomọkụ ruo ihe dị ka 50°C, gbanye usoro mkpali, tinye ntụ ntụ colloid nchebe dịka 25% nke mmiri etinyere na ihe mkpuchi ahụ si dị, usoro nke itinye ya kwesịrị ịdị nwayọ Tinye ya iji gbochie ntụ ntụ ahụ ịchịkọta na mmiri. Etinyela ya na mgbidi akụkụ nke ihe mkpuchi ahụ. Mgbe mgbakwunye ahụ gwụchara, tinye defoamer nke ruru 1% nke mkpokọta ego ahụ. A na-atụ aro ka ị jiri defoamer dabere na silicone. Kpuchie oghere nri ma kpoo ọkụ ruo ihe dị ka 95°C. A ga-eme ka mmiri dị n'ime ihe na-eme ka ọ bụrụ gluu viscous doro anya, na-enweghị ihe ọcha, ihe nlele, nnwale viscosity na ọdịnaya siri ike, nke chọrọ ka viscosity ruo ihe dị ka 2500as, na ọdịnaya siri ike iru 19.5~20.5%. Tinye colloid nchebe akwadoro na ketulu ngwakọta, wee tinye polymer emulsion n'ogo, gwakọta colloid nchebe na emulsion ahụ n'otu n'otu, ma tinye defoamer n'ụzọ kwesịrị ekwesị, nke na-abụkarị ihe dị ka 0.1% nke mkpokọta ego ahụ, ekwesịrị iji defoamer ahụ n'onwe gị.
Ihe na-eme ka ụfụfụ fụọ, tinyekwa mmiri iji gbanwee viscosity ruo 70-200pas, na ọdịnaya siri ike ruo 39%-42%. Mee ka okpomọkụ ahụ dị elu ruo 5055C. Nnwale nlele, dị njikere iji.
Mmiri dị n'ime mmiri ndị ahụ ga-akpọnwụ ngwa ngwa site na ikuku dị elu nke na-ekpo ọkụ, mgbe ahụ, a ga-ebuga ngwakọta gas na gas ngwa ngwa site na ụlọ elu nkụ, na-edebe okpomọkụ nke ikuku na ebe ikuku dị ala nke ngwaọrụ nkụ na 79 ° C -81 ° Co. A na-eduzi ngwakọta gas na gas site na ngwaọrụ nkụ Mgbe ịpụchara, tinye ikuku kpọrọ nkụ nke 5°C ka ọ dị jụụ, a na-etinyekwa ntụ ntụ nke nwere ikuku n'ime nnukwu nzacha akpa ahụ, a na-ekewa ntụ ntụ dị n'ikuku site na ụzọ abụọ nke nkewa cyclone na nkewa nzacha. , A na-ekewa ntụ ntụ nkewapụrụ ma sie ya iji nweta agwaetiti ntụ ntụ latex a na-emegharị emegharị.
Bufee 1,000 kg nke mmiri mgbasa nke nwere ọdịnaya siri ike nke 42% gaa n'ụlọ elu nkụ na nrụgide ụfọdụ, ma tinye 51 kg nke ihe nnọchite anya ntọhapụ dịka usoro dị n'elu si dị n'otu oge ahụ, kpoo ya site na ịgbasa ma kewaa ihe siri ike na gas, wee nweta ntụ ntụ nke 461 kg nwere ịdị mma kwesịrị ekwesị.
Oge ozi: Febụwarị-27-2023