Mu myaka ya vuba aha, ifu nyinshi ya resin rubber, ifu ya rubber ikomeye cyane idapfa amazi n'indi fu ya rubber ihendutse cyane byagaragaye ku isoko kugira ngo bisimbuze emulsion gakondo ya VAE (vinyl acetate-ethylene copolymer), yumishwa ikanasubirwamo. Ifu ya latex ijugunywa, none se ni irihe tandukaniro riri hagati y'ifu ya resin rubber n'ifu ya latex ijugunywamo, ese ifu ya resin rubber ishobora gusimbura ifu ya latex ijugunywamo? Ikigo cy'ikoranabuhanga cya Yongqiang Mortar kizagufasha gusesengura muri make itandukaniro riri hagati y'ibyo byombi kugira ngo urebe:
1. Ifu ya latex ishobora kongera gushonga
Kugeza ubu, ifu ya polymer ikwirakwizwa ikoreshwa cyane ku isi ni: ifu ya vinyl acetate na ethylene copolymer rubber (VAC/E), ethylene na vinyl chloride na vinyl laurate terpolymer rubber powder (E/VC/VL), aside acetic ester ya vinyl na ethylene hamwe na aside iri hejuru y’ibinure ya vinyl ester terpolymer rubber powder (VAC/E/VeoVa), izi fu eshatu za polymer zikwirakwizwa ziganza isoko ryose, cyane cyane ifu ya vinyl acetate na ethylene copolymer rubber powder VAC/E/VeoVa E, ifite umwanya ukomeye mu rwego rw’isi kandi igaragaza imiterere ya tekiniki y’ifu ya polymer ikwirakwizwa. Ni igisubizo cyiza cyane mu bijyanye n’uburambe mu bya tekiniki ku bijyanye na polymer zikoreshwa mu guhindura morti:
1. Ni imwe muri polimeri zikoreshwa cyane ku isi;
2. Kugira uburambe bwinshi mu bijyanye no gushyira mu bikorwa imirimo y'ubwubatsi;
3. Ishobora kuzuza imiterere ya rheological isabwa na mortical (ni ukuvuga ubushobozi bwo gukora bukenewe);
4. Resine ya polymer iri kumwe n'izindi monomer ifite imiterere y'ibintu bihindagurika mu buryo bw'umwimerere (VOC) n'imyuka igabanya ubukana bw'umwuka;
5. Ifite imiterere yo kudahangarwa neza n'imiraba ya UV, kudahangarwa neza n'ubushyuhe kandi igakomeza igihe kirekire;
6. Ifite ubudahangarwa bwinshi bwo gushonga kw'amazi;
7. Ifite ubushyuhe bwinshi bw'impinduka mu kirahuri (Tg);
8. Ifite ubushobozi bwo guhuza neza, koroherana no gukora ibintu neza;
9. Kuba afite uburambe burambye mu gukora imiti ikoreshwa mu buvuzi ku buryo bwo gukora ibicuruzwa bifite ireme rihamye n'uburambe mu kubungabunga uburyo bibikwa;
10. Biroroshye kubivanga na koloyide irinda (polyvinyl alcohol) kandi ifite ubushobozi bwo gukora neza.
2. Ifu y'ibumba
Ifu nyinshi za "resin" zikoreshwa mu gusya ziboneka ku isoko zirimo ibintu bya "DBP". Ushobora kugenzura ingaruka mbi z'iyi fu, zigira ingaruka ku mibonano mpuzabitsina y'abagabo. Umubare munini w'ifu nk'iyi ya "rubber" irundanijwe mu bubiko no muri laboratwari, kandi irahindagurika ku rugero runaka. Isoko rya Beijing, rizwiho gukora "ifu ya rubber", ubu ryagaragayemo ubwoko bwa "ifu ya rubber" ivanze mu bintu bishongesha bifite amazina atandukanye: ifu ya kole ikomeye idapfa amazi, ifu ya kole ya resin, nibindi. Ibintu bisanzwe:
1. Kutanyagurika nabi, bimwe bikumva bitose, ibindi bikumva bitose (bigomba kuba bifite imyenge nka sepiolite), kandi bimwe ni umweru kandi byumye gato ariko biracyanuka;
2. Impumuro mbi cyane;
3. Hari amabara yongewemo, kandi amabara ariho ubu ni umweru, umuhondo, imvi, umukara, umutuku, n'ibindi;
4. Ingano y'inyongera ni nto cyane, kandi ingano y'inyongera kuri toni imwe ni 5 ~ 12 kg;
5. Ingufu za mbere ziratangaje. Sima nta mbaraga igira mu minsi itatu, kandi ishobora kwangiza ikibaho cyo gukingira no kugifata.
6. Bivugwa ko XPS board ishobora gukoreshwa nta interface agent.
Binyuze mu ngero zabonetse kugeza ubu, byafatwa nk'aho ari resin ishingiye ku binyabutabire yinjizwa n'ibikoresho byoroheje bifite imyenge, ariko umucuruzi arashaka kwirinda ijambo "ibinyabutabire" nkana, bityo byitwa "ifu y'umukara"
inzitizi:
1. Ubudahangarwa bw'ikirere bw'umusemburo ni ikibazo gikomeye. Mu zuba, buzahinduka mu gihe gito. Nubwo butaba mu zuba, aho buhurira buzabora vuba bitewe n'imiterere y'aho buherereye;
2. Kurwanya gusaza, umuti ushongesha ntabwo urwanya ubushyuhe, buri wese arabizi;
3. Kubera ko uburyo bwo guhuza ari ugusesa umurongo w’ikibaho cyo gukingira, ahubwo byanangiza umurongo w’imikoranire. Iyo habayeho ikibazo mu cyiciro cya nyuma, ingaruka zizahitana;
4. Nta rugero na rumwe rushoboka rwo gukoreshwa mu mahanga. Kubera uburambe bumaze igihe mu nganda z’ibinyabutabire mu mahanga, ntibishoboka kutabona ibi bikoresho.
incamake:
Ifu ya polimeri idashobora gutanyagurika:
1. Ifu ya latex ishobora gukurwamo ni ifu ishobora gukurwamo amazi, ikaba ari copolymer ya ethylene na vinyl acetate, kandi ikoresha polyvinyl alcohol nk'umuti urinda.
2. Ifu ya latex ishobora gukurwamo ya VAE ifite ubushobozi bwo gukora firime, 50% by'umuti w'amazi ukora emulsion, kandi ikora firime isa na pulasitiki nyuma yo gushyirwa ku kirahuri mu gihe cy'amasaha 24.
3. Firime yakozwe ifite ubushobozi bwo koroshya ibintu no kwirinda amazi. Ishobora kugera ku bipimo by'igihugu.
4. Ifu ya latex ishobora gukurwamo ifite ubushobozi bwo hejuru: ifite ubushobozi bwo gufatanya cyane, imikorere yihariye n'imikorere idasanzwe yo kudapfa amazi, imbaraga nziza zo gufatanya, iha sima ubudahangarwa bwiza bwa alkali, kandi ishobora kunoza uburyo ifatana n'imbaraga zo gupfuka. , plastike, irwanya kwangirika no kubaka, ifite ubushobozi bwo koroha cyane muri sima idacika.
Ifu y'umusemburo:
1. Ifu ya resin rubber ni ubwoko bushya bw'uburyo bwo guhindura rubber, resin, polymer ya macromolecular, ifu ya rubber isya n'ibindi bintu.
2. Ifu ya resin rubber irakomeye muri rusange, irakomera, ntishobora gukwirakwira, imwe yumva idafite imyenge (igomba kuba ifite imyenge nka sepiolite), n'ifu yera (ariko ifite impumuro ikaze nk'iya peteroli)).
3. Ifu zimwe na zimwe za resin zihumanya ikirere, kandi kwirinda amazi si byiza.
4. Ubudahangarwa bw'ikirere n'ubudahangarwa bw'amazi bw'ifu ya resin rubber biri hasi ugereranyije n'ifu ya latex. Ubudahangarwa bw'ikirere ni ikibazo gikomeye. Mu zuba, buzahinduka mu gihe gito. Nubwo butaba ku zuba, aho buhurira, Kubera ko ari imiterere y'aho hantu, bushobora no kubora vuba.
5. Ifu ya resin rubber ntabwo ishobora gushonga cyangwa ngo ibe yoroshye kuyihindura. Dukurikije amabwiriza agenga igenzura rya sima yo hanze irinda inkuta zo hanze, igipimo cyo kwangirika kwa polystyrene ni cyo cyonyine cyujuje ubuziranenge. Ibindi bimenyetso ntabwo bihuye n'ubuziranenge.
6. Ifu ya resin ishobora gukoreshwa gusa mu gushyiramo amabati ya polystyrene, ntabwo ikoreshwa mu gushyiramo amasaro ya vitrified n'amabati adashya.
Igihe cyo kohereza: 31 Ukwakira 2022