Ushobora guhindura mortilari yawe yumye wongeyeho resin ya polyvinyl alcohol ifite ubuziranenge bwinshi. Ifu ya polyvinyl alcohol ikora nk'ikintu gikomeye gifunga, gihindura filime, kandi gikonjesha. Yongera imbaraga zo gufatana, ubworoherane, no kubika amazi ako kanya. Abakora formulari bahitamo umucuruzi w'Ubushinwa PVA powder polyvinyl alcohol yo mu rwego rwo gufunga / rwo mu bwoko bwa Adhesive / Mortar Construction kugira ngo bahagarike gucika kw'ingufu, bongere igihe cyo gufungura, kandi bubake uruvange rurambye rwa sima.
- •Gushyira ifu ya polyvinyl alcohol kuri sima yumye byubaka imigozi ikomeye kandi bigahagarika gusenyuka kw'ubuso.
- •PVA ifata amazi mu mvange za sima zitose kugira ngo abakozi bahabwe umwanya w'inyongera wo koroshya gushyiraho amatafari.
- •Amavuta ya PVA yakuwemo amazi make ashongera vuba mu mazi akonje kugira ngo hakorwe putty zoroshye kandi zimara igihe kirekire.
Uruhare rw'ingenzi rwa tekiniki rwa PVA mu byuma by'ubwubatsi
Ushobora guhindura imvange isanzwe y’imyunyungugu mo mortilari z’ubwubatsi zikora neza cyane wongeyeho ifu ya polyvinyl alcohol. Resin ya PVA yo mu rwego rwo hejuru ikora nk'igikoresho cyiza cyo gufatanya, gukora filime, no gukurura. Ugera ku miterere myiza y’umubiri, imbaraga zidasanzwe za mekanike, kandi ugakomeza igihe kirekire mu bikoresho byawe bitera sima.
Imbaraga zo Gufatana no Gufatana mu Buryo Bukomeye
Iyo uvanze sima yumye n'amazi, ifu ya PVA irashonga vuba kandi igakora matrix ya polymer imwe. Iyi matrix ipfuka uduce twa sima kandi yuzura imyanda mito cyane iri mu gishishwa cya sima. Uko sima irushaho kumera neza, polymer ikora imiyoboro ikomeye ya shimi hamwe n'urusobe rw'amazi ndetse n'urusobe rw'isima. Urushaho kugira imbaraga nyinshi zo gukurura, ibyo bikarinda gucika kw'amatafari, gucika kw'amatafari mu rukuta, no gucika kw'ubuso uko igihe kigenda gihita.
Abashakashatsi banditse neza uburyo guhindura polymer na fibre byongera imbaraga za sima:
| Icyitonderwa cy'ubushakashatsi | Uruhare rw'ingenzi rwa tekiniki rwa PVA rwakoreweho iperereza | Isuzuma ry'ibanze rijyanye n'imikorere ya Mortar | Ibisobanuro birambuye |
|---|---|---|---|
| Deng n'abandi (2020) – Constr. Build. Mater. | Gukomeza fibre mu mikorere yo gukurura | Uburyo bwo gukurura imyenda ya mortiweri ikoreshwa mu myenda (TRM) bwarushijeho kuba bwiza | Fibre ngufi za PVA zongerera imbaraga imikorere ya sisitemu za TRM. |
| Wang n'abandi (2018) – Constr. Build. Mater. | Gukomeza fibre muri matrices ya sima yahinduwe | Imiterere n'imikorere bya sima ya rubber byongerewe | Fibre za PVA zinoza imikorere ya matrices ya sima yahinduwe na rubber. |
| Liu n'abandi (2024) – J. Build. Eng. | Kongera ubushobozi bwo guhuza imiterere y'isi muri sisitemu ya geopolymer | Imikorere myiza ya sima ya geopolymer | Fibre za PVA zahinduwe na Nano-SiO2 zinoza uburyo fiber-matrix ihuriramo. |
| Cheng n'abandi (2023) – Kuramba | Imikorere mu byuma bikozwe muri sima (ECCs) | Isuzuma ry'imikorere ya fibre ya PVA muri ECCs | Igaragaza muri make uruhare rwa fibre ya PVA mu kugera ku bufatanye buhambaye. |
| Iperereza ry'igerageza (Ingingo ya PMC) | Uburyo bwo kongera imbaraga mu buryo bwinshi | Ingano nziza ya PVA (0.4–0.8 vol%) yongera imbaraga muri rusange | PVA ikora umuyoboro wa 3D uhuza uduce duto tw’impinduka kandi ugatuma ikirere gihinduka binyuze mu guhuza hydrogen. |
Uburyo bwo gukora filime ihindagurika no kugabanya uduce
Uduce dusanzwe twa sima duhinduka uko amazi agenda ashira mu gihe cyo gushya. Uku kugabanya kw'umushongi bitera stress imbere, bigatera uduce duto two hejuru twangiza imiterere y'uturemangingo. Resin ya PVA yashongeshejwe ikwirakwira neza mu gice cy'umushongi gitose. Uko utwo duce twuma, polymer irahuzanya igakora uturemangingo duhoraho kandi tworoshye mu myenge mito.
Bitewe n'imiterere yayo yihariye ya molekile, PVA ikora firime ikomeye kandi irabagirana mu gihe cyo kuyitunganya, ibyo bikanoza ubudahangarwa bw'inkurikizi no kuramba kw'ibikoresho birangiye mu gihe bigabanya neza ikorwa ry'imivuniko yo ku butaka.
Uru rusobe rw'amabati ruhita ruhuza uduce duto tw'amashanyarazi kandi rugafata imbaraga z'imiterere y'ibikoresho bitewe no kwaguka k'ubushyuhe cyangwa imitwaro ya mekanike. Ukora amakoti yoroshye yo gukaraba, puti zo ku rukuta, n'udupira tw'amatafari twihanganira ibidukikije tudacitse cyangwa ngo ducike.
Kubungabunga Amazi no Kongera ubushobozi bwo kuyakoresha
Gutoha amazi neza bisaba ko amazi agumana neza mu gishishwa gishya. Imvange isanzwe ya sima itakaza amazi vuba binyuze mu guhumeka no kwinjira mu byuma bifite imyenge nk'amatafari cyangwa sima. Gutakaza amazi vuba bituma amazi adakomeza gutoha, bigatuma ubuso budakomera neza, ivumbi rigabanuka, kandi bigatuma amazi adafatana neza.
Ifu ya PVA irimo amatsinda menshi ya hydroxyl akunda amazi ku muyoboro wayo wa polymer. Aya matsinda akora ahuza molekile z'amazi binyuze mu migozi ya hydrogen, agafata ubushuhe neza mu mvange y'amazi. Wongera igihe cyo gufungura za mortilari zawe, ugaha abashyiraho amatafari n'abasipateri umwanya w'inyongera wo guhindura ibikoresho. Umuti wa polymeri wagutse kandi ukora nk'umuhindura rheology. Ubona amavuta meza cyane, imiterere yoroshye yo gukurura, ndetse n'ubushobozi bukomeye bwo kurwanya kugwa ku nkuta zihagaze.
Kurwanya kwangirika no Kurwanya Ingaruka
Uduce twa sima tudahinduwe akenshi tugaragaza ubukana bubi bw'ubuso n'imikorere mibi ya mekanike iyo dushyizwemo imbaraga nyinshi. Guhindura PVA bihindura imiterere y'imbere ya duce twa sima zikomeye. Agace ka polymer gakomeza kuzenguruka uduce tw'umucanga n'ibicuruzwa bitanga amazi, bigatuma habaho imiterere ya co-matrix ikwirakwiza imbaraga zo mu gace ku buryo bungana.
Udupira twawe twasutsweho umwuka turwanya gushwanyagurika kw'ubutaka, urujya n'uruza rw'amaguru menshi, ndetse n'ingaruka mbi za mekanike. Ubwuzuzanye butuma ivumbi rikomeza kugaragara ku nkuta kandi bukarinda ikirere kibi cyane. Iyo ushyizemo ifu ya PVA nziza cyane mu mvange yawe yumye, ukora udupira twa supera turamba kandi twujuje ibisabwa bikomeye mu bwubatsi.
Uburyo bw'ibanze bwo gukoresha ifu ya PVA
Ushobora kuvugurura mortilari z'imyuka mu mishinga myinshi y'ubwubatsi ukoresheje inyongeramusaruro za polymeri zifite isuku nyinshi. Kongeramo resin ya polymeri byongera imiterere y'umubiri kandi byoroshya uburyo bwo kuyikoresha ku bakozi.
Ibikoresho byo gukodesha amatafari n'ibice bya sima
Amatafari aremereye asaba imbaraga zidasanzwe zo gufatanya no kwirinda amazi. Arukoro ya polyvinyl anchors sima ifata neza ku buso bwa porcelain butoshye no ku nkuta za sima.
- Imiti igezweho ya grout irwanya amazi neza kandi ikagira imbaraga nyinshi hamwe n'igipimo cya 0.3% cya fibre ya PVA.
- Imigozi ikomeye ya polymer irinda amatafari kugwa ku buso buhagaze mu gihe cyo gushyiraho.
Ikoti ryo ku rukuta n'ikoti ryo gukaraba
Amavuta yo ku rukuta yoroshye akeneye koroherwa kugira ngo akomeze kuba meza uko igihe kigenda gihita. Ifu ya PVA ifata uduce duto tw’inyunganiramirire, bigatuma ubuso bunini kandi butagira imivuniko.
Polima zongeye kuzura amazi zubaka urusobe rw’uburinzi muri puti yo ku rukuta. Ubu buryo bugabanya amazi yinjira, bukarinda ifu yo hejuru, kandi bukabuza koroshya imiterere y’urusobe rw’amazi nyuma yo guhura n’ubushuhe.
Kongeramo ifu ya PVA bitanga inyungu z'ingenzi mu miterere yayo:
- · Yongera ubushobozi bwo guhagarara neza kw'urwego muri rusange.
- · Bigabanya kugabanuka cyane kw'ingufu.
- · Irinda uduce duto tw’imbere mu nzu.
Ibikoresho byo hasi byigenga
Imiterere y'ubutaka isaba ko ubugari bw'ubutaka bwihuta kandi bugakomera. Irimo umucuruzi w'Ubushinwa PVA ifu ya polyvinyl alcohol yo kubaka igenzura imiterere y'amazi mu gihe ikumira gutandukanya ibikoresho. Ugera ku butaka butaringaniye, budafite ivumbi kandi bugakira vuba mu bihe bigoye.
Sisitemu zo Gukingira no Gusoza Imbere (EIFS)
Udupira two hanze two ku nkuta duhura n’ubushyuhe buhoraho n’imvura nyinshi. PVA resin itanga ubushobozi bwo koroshya ibintu byo mu bwoko bwa basecoat hejuru y’udupira tworoshye two gukingira. Urinda udupira two munsi y’ubutaka mu gihe wubaka udupira two hanze tumara igihe kirekire kandi tudashobora guhangana n’ikirere.
Gukora Mortars za Simenti hakoreshejwe PVA Resin
Ugomba kubara ibipimo nyabyo by’ubushakashatsi kugira ngo ukore imiterere ikomeye kandi yizewe y’imvange yumye. Inyongeramusaruro za polymer zihindura urusobe rw’umusemburo wa sima. Kongeramo ingano ikwiye ya polymer resin bitanga ubushobozi bwo gukora neza, gufatana neza, no kudacikagurika cyane mu bicuruzwa byawe byarangiye.
Igipimo n'ibipimo by'ingano byemewe
Ugomba guhuza igipimo cy'ingano yawe n'ibisabwa mu mikorere yihariye y'ikoreshwa ryawe. Guhindura gato ingano ya polymer bituma habaho impinduka nini mu gufatana kw'amatafari no kudakoresha amazi. Kole ishingiye kuri sima isaba polymeri ihagije kugira ngo wirinde ko amatafari ahagaze agwa cyangwa ngo akomere.
| Ubwoko bwa porogaramu | Igipimo gisabwa | Ishingiro ry'uko ingano ikoreshwa | Intego y'ibanze yo gutegura |
|---|---|---|---|
| Amatafari akozwe kuri sima | 0.5% kugeza kuri 2.0lt;/td> | Uburemere bw'imvange yumye | Yongera ubushobozi bwo gufatana neza no kongera igihe cyo gufungura |
| Ifu irwanya uduce duto (Fiber) | 0.9–1.2 kg/m³ | Umusaruro nyawo w'itsinda | Birinda uduce duto two kugabanuka kw'ubuso |
| Imashini ifite uduce twinshi two mu bwoko bwa Ductile Mortar (HDM) | Ihame ry'ijanisha ry'ingano | Ingano ya matrix | Yongera imbaraga zo gukaraba no gukabya imbaraga |
Ugomba kubara igipimo cya fibre ukoresheje umusaruro nyawo w’imvange yawe aho kuba ingano y’inyuguti. Ushobora kunoza imiterere y’imvange yawe ukurikije gahunda y’igerageza:
| Ingingo y'Ubuyobozi | Inama ishingiye ku bimenyetso |
|---|---|
| Ingano Isanzwe y'Ibipimo (Irwanya Udukoko) | 0.9–1.2 kg ya fibre ya PVA kuri metero kibe (m³) ya morti, hamwe n'uburebure bwa fibre ya mm 6 nk'aho umuntu asanzwe ahera. |
| Uburyo bwo Kubara (Igipimo kuri buri Batch) | Fibre kuri buri cyiciro (kg) = Igipimo cyagenwe (kg/m³) × Umusaruro nyawo w’itsinda (m³). Ishyira imbere gukoresha umusaruro nyawo, ntabwo ari ingano y’imashini zivangavanze. |
| Ibisobanuro by'ishingiro ry'igipimo | Koresha kg/m³ ku gipimo gisanzwe; ingano y'ibipimo ku binyabutabire bya sima byakozwe mu buryo bwa Engineered Cementitious Composites (ECC); ingano y'ibipimo byumye ku gipimo cya fibre sima. Ni ngombwa kuvuga ishingiro kugira ngo wirinde amakosa (urugero, 2% ku gipimo ≠ 2% ku gipimo cyumye). |
| Porogaramu y'Igenamigambi ry'Igerageza | Guma ufata matrix ihoraho kandi uhindure impinduka imwe icyarimwe. Uruhererekane rw'ibisabwa kuri mortier irwanya imyanda ni uburyo bwo kugenzura budafite fibre hamwe na 0.9, 1.05, na 1.2 kg / m³. Guma ufata ikigereranyo cy'amazi hagati y'ibice bibiri n'ibindi kandi uhindure uburyo bwo kugabanya amazi gusa mu igeragezwa ryanditse. |
Guhitamo Ingano za Hydrolysis na Viscosity
Ugomba guhitamo ingano ikwiye ya hydrolysis n'uburemere bwa molekile ku mvange yawe. Hydrolysis igena uburyo polymer yiyunga vuba mu mazi akonje. Polima za hydrolysis igice ziyunga vuba mu mazi y'ubushyuhe bw'icyumba, bigatuma ziba nziza cyane ku mavuta yumye avangwa n'umurima.
| Igice | Ibisobanuro birambuye |
|---|---|
| Ingano ya PVA isabwa | PVA-2488 |
| Impamyabushobozi ya Hydrolysis isabwa | 86.0 – 89.0 mol% |
| Isoko y'inama | Uruganda (MIXEON) by'umwihariko rukora ibikoresho by'ubwubatsi. |
| Porogaramu z'ibanze zo kubaka | Uruvange rw'imvange rwumye, putty y'ifu yumye, ibikoresho bya gypsum, guhuza amatafari. |
| Ibyiza by'ingenzi muri Mortar | Yongera uburyo bwo gufatana na sima/ilime/gypsum, yongera ubushobozi bwo gukora, igatinda kuma kugira ngo hirindwe ko ubuso bucika. |
Ubushyuhe bwa polymer buhindura mu buryo butaziguye imikorere y'amazi mu mvange nshya ya morti. Gushaka ibikoresho byawe bivuye kuriumutanga serivisi yizeweNk’umucuruzi w’Ubushinwa PVA ifu ya polyvinyl alcohol yo kubaka Adhesive / Mortar igufasha kugera ku igenzura ry’ubushyuhe muri buri cyiciro. Urusobe rw’uruhererekane rwa polymer ruhindura uburyo bwo guhuza imbere ako kanya.
Imigozi yoroshye (urugero, polypropylene na polyvinyl alcohol fibre) ishobora kongera ubukana binyuze muri: (1) guhindura ubukana bw'imigozi no gushyiraho imiterere y'imigozi; na (2) ubukana bwo gukata bwiyongereye uko ubwonko bw'imigozi bwiyongera bigatuma ibasha kwivanga mu miterere ya S no gukomeza kubuza uruhererekane kugenda.
Uburyo bwiza bwo kuvanga no gukwirakwiza ibinyabutabire byumye
Ugomba kugera ku gukwirakwiza polymer imwe mu ifu yumye mbere yo kongeramo amazi avangavanga. Polimeri zitatanye neza zitera uduce duto, zigagabanya imbaraga, kandi zigatera inenge ku nkuta zirangiye.
| Icyiciro cyo Kuvanga | Gisabwa igikorwa | Ibisubizo bya tekiniki |
|---|---|---|
| Guvanga mbere y'umukozi | Pima ifu ya polimeri mu gice gito cy’umucanga nk'umusenyi wumye cyangwa icyuma gito cyuzuza. | Itandukanya uduce twa polymer ku buryo bungana ku myunyu ngugu. |
| Uburyo bwo kuvanga byumye | Shyiramo imvange y'umuti ukoreshwa mu gukurura amazi mbere yo kongeramo amazi. | Ikwirakwiza ibintu bikora neza mu buryo bumwe mu gice cyumye. |
| Kongeramo Amazi | Vanga ifu yumye ivanze n'amazi meza mu gihe gito kandi gihoraho cyo kuvanga. | Yoroshya polymer vuba idakoze udupira twa fibre cyangwa uduce duto twa resin. |
Gutatanya neza bihindura imikorere ikomeye ya morti za sima. Gukwirakwiza fibre imwe ifite imiterere ibiri bitwikira ibice bya sima ku buryo bungana, byongera imbaraga zo kuzunguruka no guhindagurika mu buryo bwa High Ductile Mortar. Gusiga polymer imwe bikomeza agace k'impinduka imbere kandi bikarinda ubwinshi bw'imihangayiko mu gace runaka.
Umucuruzi w'Ubushinwa PVA Powder Polyvinyl Alcohol yo kubaka Adhesive / Mortar
Ukeneye ibikoresho fatizo byizewe kugira ngo ukore sima ihoraho. Gushaka resin nziza cyane ivuye ku ruganda ruzwiho kwemeza ko ibicuruzwa bikora neza cyane. Shanghai Zoran New Material Co. Ltd itanga serivisi nziza.inyongeramusaruro za polymer zo ku rwego rwo hejuruku mishinga yawe y'ubwubatsi ku isi yose.
Amabwiriza yo kugenzura ubuziranenge n'ubuziranenge
Ugomba kugenzura neza ubuziranenge bwa polymer mbere yo kuvanga ibyiciro binini by'umusaruro. Laboratwari zigezweho zikora isuzuma rikomeye mu gihe ubushyuhe bw'icyumba buri hagati ya 20°C na 50% by'ubushyuhe.
Ushobora kwemeza ubuziranenge bw'ibikoresho ukoresheje ibizamini bine bisanzwe by'ubucucike:
- · Ikizamini cy'Ubucucike Nyabwo: Ikoresha uburyo bwa pycnometer ku bipimo byumye neza kugira ngo ikureho ukwivanga kw'ubushuhe.
- · Ikizamini cy'Ubucucike bw'Umubyimba: Ikoresha uburyo bwa funnel buhoraho kugira ngo ipime ubucucike bw'ifu ifunguye kugira ngo ifungure neza.
- · Ikizamini cy'Ubucucike bw'Umuti: Ikoresha icyuma gipima ubucucike bw'amazi mu buryo bw'ikoranabuhanga kugira ngo imenyekanishe ingano y'amazi mu gihe nyacyo.
- · Ibipimo Bisanzwe by'Ibizamini: Igenzura cyane ibidukikije kugira ngo ikomeze kugira isuku idasenyuka.
Sisitemu za PLC zikora zigenzura umusaruro w'uruganda hakurikijwe icyemezo cya ISO9001 na ISO14001. Uhabwa ibyemezo byemewe by'isesengura kuri buri koherezwa.
Amanota yo guhitamo imiterere y'ubwubatsi
Ugomba guhitamo ibyiciro byihariye bya polymer ukurikije ibyo ukeneye ku gicuruzwa cyawe. Shanghai Zoran New Material Co. Ltd ikora ubwoko butandukanye bwa resin, harimo PVA17-99, PVA26-99, PVA17-88, na PVA05-88. Ibyiciro bya hydrolyzed igice bishonga vuba mu mazi akonje. Ushobora guhitamo Umutanga serivisi wo mu Bushinwa.ifu ya PVA polyvinyl alcohol yo gukoreshaKubaka kole / Mortar kugira ngo byongere igihe cyo gufungura no gukomera mu gufunga amatafari, amakoti yo gukaraba, n'aho hasi hashobora kwirenza.
Kwizerwa kw'uruhererekane rw'ibicuruzwa no gutanga ibicuruzwa byinshi
Urinda uruganda rwawe kugira ngo rudakenera ibikoresho byinshi, ukorana n'abakora mu Bushinwa. Ubushinwa butanga ibiciro birambye kuko vinyl acetate yo mu gihugu itanga ibirenga 80% by'uruhererekane rw'ibikoresho fatizo. Ubushobozi bunini bwo gukora butuma umusaruro wiyongera vuba mu gihe cyo kwiyongera gutunguranye kw'ibikenewe. Kuba hafi y'ibyambu bikomeye byo kohereza ibicuruzwa bituma ibicuruzwa byoherezwa mu mahanga byihuta. Byongeye kandi, ushobora kubona uburyo bwo gupakira ibintu kuva ku mifuka 12.5 kg kugeza ku mifuka 1000 kg. Gushyiraho ububiko bw'ibikoresho byo mu gace birushaho kurinda imikorere yawe gutinda kw'imizigo yo mu nyanja.
Ifu ya alukolo ya polyvinyl itanga uburyo bwo gufatana, kworoha, no kugenzura ubushuhe ku bicuruzwa byawe bya mortiweri bigezweho. Ugera ku mbaraga zo gukomera no kuramba igihe kirekire muri buri mvange ikoreshwa na sima. Gushaka resin isukuye cyane iva ku mucuruzi wizewe w’Ubushinwa PVA powder polyvinyl alcool yo kubaka Adhesive / Mortar bigufasha kugumana ubuziranenge buhoraho mugihe ukoresha neza ibikoresho byawe.
Ibibazo Bikunze Kubazwa
Ni ikihe gipimo cya hydrolysis gikora neza mu gukora imvange y'imyanda yumye?
Ugomba guhitamo ubwoko bwa PVA bwa hydrolyzed igice kimwe hamwe na hydrolysis ya 86% kugeza 89%. Ubu bwoko bushonga vuba mu mazi akonje kandi bugatuma ibintu byose bifatana vuba.
Ni gute ifu ya PVA irinda gusenyuka kw'amabara yo ku rukuta n'ibishushanyo?
PVA ikora firime ya polymeri yoroshye mu gihe cyo kuyitunganya. Iyi firime ikomeza ihuza uduce duto tw’imyanya, ikagabanya ubushyuhe, kandi ikongera uburyo bwo kubika amazi mu gikoresho gishya.
Kuki wakwifuza gushaka ifu ya PVA muri Shanghai Zoran New Material Co. Ltd?
Ibikoresho bishya bya Shanghai Zoranitanga amanota ya PVA yemejwe na ISO, afite ireme ryinshi rya PVA nka PVA17-88 na PVA24-88. Ubona ireme ryizewe ry'ibicuruzwa, kugenzura ubushyuhe buhamye, no gutanga ibicuruzwa byinshi neza.
Igihe cyo kohereza: Kanama-13-2026