Ọrụ nke ntụ ntụ latex na-agbanwe agbanwe:
1. Nkentụ ntụ latex redisperable (Nrapado siri ike na-anọpụ iche roba ntụ ntụ ntụ latex na-anọpụ iche)na-emepụta ihe nkiri mgbe a gbasasịrị ma na-eje ozi dị ka nrapado iji welie ike ya. 2. A na-etinye colloid nchebe site na usoro ngwa ngwa (ọ gaghị ebibi ya na mmiri ma ọ bụ "mgbasa nke abụọ" mgbe emechara ihe nkiri ahụ. si otú a na-amụba njikọ nke ngwa agha na redispersible latex ntụ ntụ bụ a ntụ ntụ nrapado mere site ihicha ude mmiri (elu molekul polymer) Mgbe ịkpọtụrụ na mmiri, a ntụ ntụ nwere ike ngwa ngwa re chụsasịrị na-etolite ude mmiri, na nwere otu ihe onwunwe ude mmiri mbụ, ya bụ, mmiri ahụ nwere ike ịmepụta ihe nkiri mgbe evaporation gasịrị.
Ọrụ nkeRDP: iji meziwanye nguzogide mmetụta, ntụ ntụ latex na-agbanwe agbanwe bụ resin thermoplastic. Ọ bụ ihe nkiri dị nro nke a na-ekpuchi n'elu akụkụ ngwa agha, nke nwere ike ịmịnye mmetụta nke ndị agha dị n'èzí, zuru ike na-enweghị mmebi, si otú ahụ na-eme ka mmetụta mgbochi nke ngwa agha dịkwuo mma. Ịkwalite iyi mgbochi na ịdịte aka site n'ịgbakwunyentụ ntụ latex redisperablenwere ike ime ka njikọ siri ike dị n'etiti ihe simenti ngwa ngwa na ihe nkiri polymer. Nkwalite ike nrapado n'otu aka ahụ na-eme ka ikike nke ngwa agha nagide nrụgide shii, na-ebelata ọnụ ọgụgụ iyi, na-eme ka nguzogide iyi, na-agbatị ndụ ọrụ nke ngwa agha. Ịkwalite hydrophobicity na ibelata mmịpụta mmiri, na ịgbakwunyentụ ntụ latex redisperablenwere ike melite microstructure nke ciment ngwa agha. Polymer ya na-etolite netwọk a na-apụghị ịgbagha agbagha na usoro hydration ciment, na-emechi capillary na gel ciment, na-egbochi ntinye mmiri, ma na-eme ka ọ dịkwuo mma. Ịkwalite ike njikọ na njikọ nke ihe site na ijintụ ntụ latex redisperablena-arụ ọrụ dị mkpa n'ịkwalite ike njikọ na njikọta nke ihe. N'ihi ntinye nke mkpụrụ ndụ polymer n'ime pores na capillaries nke matrix ciment, a na-emepụta njikọ dị mma mgbe hydration na ciment gasịrị. The magburu onwe bonding ike nke polymer resin n'onwe ya mma adhesion nke ciment ngwa agha ngwaahịa na substrates, karịsịa ciment, ihe inorganic ihe nkedo, na osisi, emep uta eri, PVC Mma nke adịghị mma adhesion nke organic substrates dị ka EPS nwere mmetụta dị ịrịba ama. Ịkwalite nkwụsi ike nke ifriizi-na-egbochi ihe mgbawa nke ọma, nantụ ntụ latex redisperablenwere mmetụta plastik nke resin thermoplastic ya, nke nwere ike imeri mmebi nke mgbasawanye ọkụ na nkwekọrịta nke mgbanwe okpomọkụ na-eme na ihe simenti ngwa ngwa. Imeri njirimara nke nnukwu nrụrụ shrinkage akọrọ na mfe mgbawa nke ciment ciment dị ọcha nwere ike ime ka ihe ahụ dịkwuo mma, si otú ahụ na-eme ka nkwụsi ike nke ihe ahụ dịkwuo ogologo oge. Melite ngbanwe na nkwụsi ike. N'ime usoro siri ike nke e guzobere site na hydration nke ciment mortar, akpụkpọ ahụ nke polymer na-agbanwe ma na-agbanwe agbanwe, na-arụ ọrụ yiri nke ahụ dị ka nkwonkwo na-ebugharị n'etiti akụkụ ciment mortar. Ọ nwere ike iguzogide ibu nrụrụ dị elu, belata nrụgide, ma melite nkwụsi ike na ịgbagọ.
Uru nkentụ ntụ latex redisperable
Ọ dịghị mkpa ịchekwa na ịkwaga na mmiri, na-ebelata ụgwọ njem; Ogologo oge nchekwa, mgbochi kefriza, dị mfe idobe; Nkwakọ ngwaahịa ahụ pere mpe, dịkwa mfe iji; Enwere ike ịgwakọta ya na ihe nkedo dabere na mmiri iji mepụta premix resin synthetic gbanwetụrụ. Mgbe a na-eji ya eme ihe, ọ bụ naanị mmiri ka a ga-agbakwunye, nke ọ bụghị naanị na-ezere njehie mgbe ị na-agwakọta na saịtị, kamakwa na-eme ka nchekwa nke njikwa ngwaahịa dị mma.
Oge nzipu: Sep-05-2023