A na-eme ka ntụ ọka polmer na-agbasasị polmen na-agbasa (dịka ciment, gydsum, gyntacpyl) agwakọta iji mee ka ngwa ngwa akpọnwụ. Mgbe agbakwunyere ngwa ala akọrọ na mmiri ma kpalie ya, n'okpuru ihe nchebe hydrophilic na nke na-eme ka ọ bụrụ mmiri na-emegharị mmiri, nke zuru iji na-acha odo odo na-acha odo odo kpamkpam. Ihe mejupụtara ntụ ntụ trans dị iche, nke nwere mmetụta na nsị nke ngwa agha na akụrụngwa ihe owuwu: Ọdịda dị iche iche nke mbubreyo mgbe a na-emegharị ya Ọdịnaya ikuku nke ngwa agha nke ngwa agha, mmekọrịta dị n'etiti ntụ ntụ na ihe ndị ọzọ na-eme na-eme ka ọ dị n 'ịba ụba dị iche iche, na-amụba ThixOtry, na ịba ụba viscosity.
A na-ekwere na usoro nke na-emegharị nke mbubreyo mbubreyo na-eme ka ọ dị mma, ọ na-eme ka mmiri sie ike, nke na-abawanye na ndapụta nke Mwepu ihe owuwu.
Mgbe agbanyụ mmiri ahụ nwere ntụ oyi na-agba mmiri, na-etinye mmiri nke mmiri, na mmiri na-eji nwayọọ nwayọọ na-agagharị, ihe na-eji nwayọọ nwayọọ bọrọ , na resin ji nwayọọ nwayọọ na-ekute ibe ha. N'ikpeazụ na polmezed n'ime fim. Usoro ihe nkiri polymer na-ekewa ụzọ atọ. Na ogbo mbụ, ụmụ irighiri police na-agagharị na ụdị nke brownian ngagharị na emulsion mbụ. Ka mmiri ahụ na-ekesa, mmegharị nke ahụ dị iche iche na amachibidoro ndị ọzọ, na esemokwu dị n'etiti mmiri na ikuku na-eme ka ha jiri nwayọ mezigharị ọnụ. Na ogbo nke abụọ, mgbe mkpịsị aka ahụ malitere ịkpọtụrụ onwe gị, mmiri dị na netwọkụ ahụ na - agbasa na elu nke irighiri ihe na - eme ka ha gbagwojuru anya, na Mmiri fọdụrụ na-emeju pores, a na-akpụzi fim ahụ. Igwe nke atọ na nke ikpeazụ na-enyere ngbasa (mgbe ụfọdụ akpọrọ Adresion) nke polymer molecules iji mepụta fim na-aga n'ihu. N'oge a na-eme ihe nkiri, ihe ndị dịpụrụ adịpụ anya mbubreyo dịpụrụ adịpụ na-enyere gị aka na oge ihe nkiri ọhụrụ dị elu na nrụgide tensile dị elu. N'ụzọ doro anya, ka ọ bụrụ na ntụ ntụ polymer na-agbasa iji nwee ike ịse ihe nkiri na ngbanwe, obere ihe nkiri) ga-adị ala karịa okpomọkụ nke ngwa agha.
Colloids - a ga-ekewa izu polymer na sistemụ polymer. Nke a abụghị nsogbu na usoro ihe ọkụkụ Alkaline, n'ihi na Alkali malitere ị alcohonified wddlified wddyption hydvied ga-eji nwayọọ nwayọọ na-ekewa nke ọma na sistemụ, na-enweghị nchebe hydrophilic . , Ihe nkiri ahụ sitere na ndọtị ahụ na-acha uhie uhie, nke na-ezo ezo na mmiri, enweghị ike ịrụ ọrụ na ọnọdụ akọrọ, kamakwa na ọnọdụ oke mmiri. N'ezie, na sistemụ anaghị alkaline, dị ka gypsum ma ọ bụ sistemụ na-egbu egbu Imimi ókè, polymer ka nwere njiri mara mma nke njiri mara, a ka nwere ike iji polmer polymer poly na-eji usoro ndị a.
Na ngwụcha nke polymer ihe nkiri, usoro mejupụtara bindengaric na organic a conded nke nwere ihe hydraulic ihe, na elu polymerble polymersible polymer na-etolite na oghere na elu siri ike. Network na-agbanwe agbanwe. Ike tensile na cohesion nke fim polymer resin mepụtara site na mbubreyo mbubreyo. N'ihi ngbanwe nke polymer, ike nrụrụ dị elu karịa usoro nrụrụ ahụ na-akawanye njọ, na mmetụta nke nrụgide na-akawanye mma, si otú a na-eme ka ọgba aghara nke ngwa agha .
Site na mmụba nke ọdịnaya polymer na-akụzi, usoro ahụ dum na-amalite na plastik. N'ihe banyere dị elu ọdịnaya nke potex nke mbubreyo na ngwa agha nke na-eji nwayọọ nwayọọ gafere ma ghọọ onye isi nke ciment ga-aghọ "filler" ". Ike Tensile, na-agbanwe oke, mgbanwe ma kaa akara akụrụngwa ndị agha gbanwere na ntụ ọka polymer na-agbasawanye. Ngụnye polymer pocrers na-enye ohere ihe nkiri polymer (mbubreyo na-emepụta) iji mepụta ma mepụta akụkụ nke mkpọchi ahụ, si otú a na-ebugharị ụdị porous. Themberx memplane nwere usoro na-agbatị onwe ya nke na-emetụta esemokwu ya na ngwa agha ya. Site na ike ndị a dị n'ime, a na-eme ihe ọkụkụ ahụ dum, si otú a na-abawanye ike nke ngwa agha. Ọnụnọ nke polymers na-agbanwe agbanwe na nke ukwuu na-eme ka mgbanwe na-agbanwe agbanwe na ngwa agha. Usoro maka mmụba na nrụgide mkpụrụ na ike ọdịda dị ka ndị a na-eme, ma emeghị ka ike gwụ ya n'ihi na ọ dị elu ruo mgbe erughị nrụgide dị elu. Na mgbakwunye, ngalaba nke polymen na-egbochikwa njikọta nke microwacks banye na-cracks. Ya mere, ntụ ntụ polymer na-akụziwanye nrụgide ọdịda na ọdịda nke ihe ahụ.
Polymer ihe nkiri na ngwa agha nke polymer nwere mmetụta dị oke mkpa na ike hardening nke ngwa agha. Ntụgharị polymerble polymerble polymerble kesara na interfa na-arụ ọrụ ọzọ dị mkpa mgbe a chụsasịrị ya ma guzobe ya n'ime ihe nkiri, nke bụ ịbawanye nomba na ihe ahụ. Na microface mpaghara n'etiti ngwa agha polymer na caramiiki nke na-agbada, ihe nkiri ahụ na-akpụzi akwa n'etiti taịlị na-enwe n'etiti ceranic taime ya. Mpaghara kọntaktị dị n'etiti ihe dị iche iche na-efe efe bụ mpaghara ihe egwu pụrụ iche ebe na-adaba na-agbada ụdị ma na-eduga na mgbapụ nke ndọpụ. Ya mere, ike nke fim na fim iji gwọọ crackge cracks na-arụ ọrụ dị mkpa na tile adhesives.
N'otu oge, ntụ ntụ polymerble polymener nwere etylene nwere ikike dị mkpa na mkpụrụ osisi ndị na-eme, karịsịa ihe yiri polyvinyl chloride na polystyl chloride. Ezigbo ihe atụ nke
Oge post: Ọkt-31-2022