Cellulose ether (CE) bụ ngwakọta polymer multifunctional enwetara site na mgbanwe kemịkalụ nke cellulose eke. A na-ejikarị ya eme ihe na nrapado tile na ihe owuwu ụlọ. Ọdịdị kemịkal ya pụrụ iche na ihe anụ ahụ na-enye ya uru dị ukwuu n'ịkwalite arụmọrụ nke nrapado tile.
1. Ngwongwo na nkwusioru
Cellulose ether na-arụkarị ọrụ dị ka ihe na-agbapụta na nrapado tile. Ọ nwere ike ịbawanye viscosity na nkwụsi ike nke usoro ahụ nke ọma, si otú a na-eme ka ihe owuwu na arụ ọrụ nke nrapado dịkwuo elu. Site n'ịbawanye viscosity nke nrapado, cellulose ether nwere ike kwụsịtụ ihe siri ike ma gbochie colloid site na stratification na mmiri ozuzo n'oge nchekwa ma ọ bụ ojiji.
Mmetụta siri ike: Cellulose ether nwere ike ịmepụta usoro netwọkụ na ngwọta mmiri, na-ekpuchi ma kwụsịtụ irighiri ciment, ma mee ka usoro ahụ nwee viscosity dị elu. Ngwongwo a na-enyere aka igbochi mwepu nke nrapado tile n'oge a na-ewu n'elu elu kwụ ọtọ.
Nkwụsi ike nkwusioru: Site n'ịgbasa irighiri ihe na matriks viscous, cellulose ethers na-ekwe ka adhesives tile nọgide na-adị n'otu n'oge guzoro, si otú a na-ahụ na arụmọrụ dị mma na ike njikọ ikpeazụ.
2. Njide mmiri
Njide mmiri bụ otu n'ime isi ọrụ nke cellulose ethers. Ọ nwere ike ịmịnye mmiri buru ibu na nrapado taịlị, na-ekwe ka mmiri ahụ wepụta nwayọọ nwayọọ. Ọrụ a dị oké mkpa maka mmeghachi omume hydration nke ihe ndị sitere na ciment ma na-emetụta kpọmkwem usoro ọgwụgwọ na njirimara njikọ nke tile adhesives.
Nkwado mmeghachi omume hydration: Njide mmiri nke cellulose ethers na-eme ka a hụ na ciment nwere mmiri zuru ezu maka hydration n'oge usoro siri ike, nke dị oké mkpa iji meziwanye ike na njikọ njikọ nke adhesives.
Ogologo oge na-emeghe: Ebe ọ bụ na njide mmiri na-abawanye oge mmiri dị n'elu ihe nkpuchi ahụ, ndị na-arụ ọrụ na-arụ ọrụ na-enwekwu oge iji dozie na ọnọdụ, si otú ahụ na-emeziwanye arụmọrụ ụlọ.
3. Mma rheological Njirimara
Cellulose ethers nwere mmetụta dị ukwuu na rheological Njirimara nke tile adhesives. Rheology na-ezo aka na nrịba na njirimara nrụrụ nke ihe dị n'okpuru nrụgide. Cellulose ethers nwere ike dozie nrụgide mkpụrụ na thixotropy nke nrapado, si otú ahụ na-eme ka ọrụ ya dịkwuo mma.
Mbelata nchekasị nchịkwa: Cellulose ethers nwere ike ịmepụta ụfọdụ ike nhazi na nrapado, ya mere a chọrọ ụfọdụ ike mpụga iji malite colloid na-asọ. Nke a na-enyere aka igbochi nrapado ka ọ ghara ịdaba ma ọ bụ na-amịpụ mgbe a na-ewu ya.
Thixotropy mmezi: Cellulose ethers na-eme ka nrapado tile na-egosipụta viscosity dị elu mgbe ọ na-eguzo, ma viscosity na-ebelata ngwa ngwa n'okpuru ọrụ nke ike ịkwa akwa, na-eme ka ọ dịkwuo mfe ịgbasa na gbasaa n'oge a na-ewu ụlọ. Mgbe emechara ihe owuwu ahụ, a na-eweghachi viscosity, nke na-enyere aka idobe taịlị ndị ahụ.
4. Melite arụmọrụ mgbochi sag
Mgbe ị na-etinye taịlị n'elu kwụ ọtọ ma ọ bụ nke nwere mmasị, igbochi nrapado ka ọ ghara ịdaba bụ ihe dị mkpa. Cellulose ethers na-emeziwanye arụmọrụ mgbochi sag nke adhesives site n'ịdị na-arụ ọrụ ha na-emezigharị na rheology, na-ekwe ka colloid dozie taịl nile ahụ n'oge a na-ewu ụlọ.
Njikwa Sag: Cellulose ethers nwere ike ịmepụta usoro gel nwere njikọ dị elu, nke na-eme ka nrapado nwee nrụgide mkpụrụ dị elu n'elu elu kwụ ọtọ, si otú a na-egbochi taịlị ndị ahụ na-amị amị.
5. Enwetara ike nkekọ
Cellulose ethers na-arụ ọrụ dị mkpa n'ịkwalite ike nkekọ nke nrapado. Njide mmiri ya na ụkpụrụ nhazi nke reological na-eme ka adhesives tile nwee ike ịbanye n'elu taịl nile na ihe ndị dị n'ime ya nke ọma, si otú a na-eme ka adhesion dịkwuo mma.
Arụmọrụ wetting: Cellulose ethers na-edozi mmiri nke adhesives iji mee ka ha nwee ike ịbanye na nke ọma ma na-arapara n'elu taịl nile na ihe ndị na-emepụta ihe, na-abawanye ebe njikọ, ma melite ike njikọ.
Ịdị n'otu dị mma: N'ihi mmetụta siri ike nke cellulose ethers, a na-ekesa ihe nrapado ahụ nke ọma, na-ebelata nsogbu nke ike njikọ na-enweghị isi nke sedimentation ihe mpaghara kpatara.
6. Gbochie mgbawa
Adhesives tile na-adịkarị mfe ịkụda na mgbawa n'ihi mmiri na-efunahụ n'oge ihicha na usoro siri ike. Ngwongwo njide mmiri nke cellulose ethers nwere ike ibelata mmiri mmiri n'ụzọ dị irè, belata nkwụsị nke ihicha, ma gbochie ịmepụta mgbawa.
Ịkpọ nkụ nchịkwa: Site n'ịchịkwa ọnụ ọgụgụ nke ntọhapụ mmiri, cellulose ethers nwere ike ibelata ntachi nke adhesives n'oge usoro ihicha, si otú ahụ na-ebelata ihe ize ndụ nke ịgbawa.
7. Mma ihu igwe na-eguzogide na ogologo oge
Cellulose ethers nwekwara ike imeziwanye nguzogide ihu igwe na ịdịte aka nke nrapado tile. Nkwụsi ike ya dị elu na steeti mmiri nwere ike ịkwalite arụmọrụ nke nrapado na gburugburu iru mmiri ma melite ikike mgbochi ịka nká.
Nguzogide mmiri: Cellulose ethers ka nwere ike ịnọgide na-arụ ọrụ ha na gburugburu iru mmiri, nke na-enyere aka na-eme ka adhesives tile nọgide na-enwe ogologo oge n'okpuru ọnọdụ iru mmiri.
Mgbochi ịka nká: Cellulose ethers na-eme ka ogologo oge dị ogologo nke nrapado na-adịte aka site n'ichekwa ihe ndị na-emepụta cementitious site na mfu mmiri ngwa ngwa na mmebi gburugburu ebe obibi.
8. Nchekwa gburugburu ebe obibi
A na-enweta cellulose ethers site na cellulose eke ma mee ya site na mgbanwe kemịkalụ. Ha nwere ezigbo biodegradaability na enyi gburugburu ebe obibi. N'ihe gbasara ihe owuwu nke oge a nke na-elekwasị anya na nchedo gburugburu ebe obibi na mmepe na-adịgide adịgide, cellulose ethers nwere uru dị ukwuu dị ka ihe mgbakwunye dị mma ma dị mma.
Ngwa nke cellulose ethers na tile adhesives bụ isi ihe na-eme ka arụmọrụ ha dịkwuo mma. Ọgbara ya, njide mmiri, nhazigharị rheology, mgbochi sagging, njikọ agbakwunyere na ihe mgbochi mgbawa na-eme ka arụmọrụ ụlọ na nsonaazụ ikpeazụ nke nrapado tile dịkwuo mma. N'otu oge ahụ, nchekwa gburugburu ebe obibi nke cellulose ethers na-ezutekwa ihe nchebe gburugburu ebe obibi chọrọ nke ihe owuwu ụlọ nke oge a. Dị ka ihe mgbakwunye na-arụ ọrụ dị mkpa, cellulose ethers ga-anọgide na-arụ ọrụ dị mkpa n'ọhịa nke ịmepụta adhesives, na-enyere aka ịmepụta nke ọma na nke na-adịgide adịgide.
Oge nzipu: Jun-21-2024