Mumakore achangopfuura, hupfu hwakawanda hwerabha hweresin, hupfu hwerabha husingapindi mvura nesimba uye humwe hupfu hwerabha hwakachipa hwakaonekwa pamusika kuti hutsive emulsion yechinyakare yeVAE (vinyl acetate-ethylene copolymer), iyo inopfapfaidzwa uye inogona kudzokororwa. Hupfu hwelatex hunonyungudika, saka musiyano uripi pakati pehupfu hwerabha hweresin nehupfu hwelatex hunonyungudika, hupfu hwerabha hweresin hunogona kutsiva hupfu hwelatex hunonyungudika here? Yongqiang Mortar Technology Center ichakutungamira kuti uongorore muchidimbu musiyano uripo pakati pezviviri izvi kuti utarise:
1. Upfu hwelatex hunonyungudika zvakare
Parizvino, mapoda epolymer anopararira anoshandiswa zvakanyanya pasi rose ndeaya: vinyl acetate uye ethylene copolymer rubber powder (VAC/E), ethylene uye vinyl chloride uye vinyl laurate terpolymer rubber powder (E/VC/VL), acetic acid Vinyl ester uye ethylene uye higher fatty acid vinyl ester terpolymer rubber powder (VAC/E/VeoVa), aya mapoda epolymer matatu anopararira anotonga musika wese, kunyanya vinyl acetate uye ethylene copolymer rubber powder VAC/E/VeoVa E, ane chinzvimbo chepamusoro mumunda wepasi rose uye anomiririra hunhu hwehunyanzvi hwemapoda epolymer anopararira. Chiri mhinduro yakanakisa yehunyanzvi maererano neruzivo rwehunyanzvi nemapolymers anoshandiswa pakugadzirisa mortar:
1. Ndiyo imwe yemapolymer anoshandiswa zvakanyanya pasi rose;
2. Iva neruzivo rwakanyanya mukushanda kwekuvaka;
3. Inogona kusangana nemaitiro e rheological anodiwa nemortar (kureva kushanda kunodiwa);
4. Resin yepolymer ine mamwe ma monomers ine hunhu hwe low organic volatile compounds (VOC) uye magasi anogumbura zvishoma;
5. Ine hunhu hwekudzivirira UV zvakanaka, kudzivirira kupisa zvakanaka uye kugadzikana kwenguva refu;
6. Ine simba guru rekudzivirira kusvibiswa kwemvura;
7. Ine girazi rakafara kupfuura mamwe ese (Tg);
8. Ine hukama hwakanaka, kuchinjika uye hunhu hwemakanika;
9. Kuva neruzivo rwakakura mukugadzira makemikari pamusoro pekuti ungagadzira sei zvigadzirwa zvemhando yepamusoro uye ruzivo mukuchengetedza kugadzikana kwekuchengetedza;
10. Zviri nyore kusanganisa ne colloid inodzivirira (polyvinyl alcohol) ine simba repamusoro.
2. Upfu hweresin
Huwandu hwakawanda hwe "resin" rabha powders dziri kutengeswa dzine kemikari inonzi DBP. Unogona kutarisa kukuvadza kwechinhu ichi chekemikari, icho chinokanganisa mashandiro epabonde evarume. Huwandu hwakawanda hwema "rabha powders" akadaro hwakaunganidzwa mumatura nemarabhoritari, uye hahuchinji kusvika pamwero wakati. Musika weBeijing, unozivikanwa nekugadzira "rabha powder", ikozvino wabuda rudzi rwe "rabha powder" yakanyikwa muzvinyungudutsa zvine mazita akasiyana-siyana: "rabha powder" yakasimba isingapindi mvura, "resin adhesive powder", nezvimwewo. Zvinhu zvakajairika:
1. Kupararira kusina kunaka, zvimwe zvinonzwa zvakanyorova, zvimwe zvinonzwa zvichiyerera (zvinofanira kunge zvine maburi akaita sesepiolite), uye zvimwe zvichena uye zvakaoma zvishoma asi zvichiri kunhuwa;
2. Inonhuwirira zvine huturu zvakanyanya;
3. Mamwe mavara akawedzerwa, uye mavara aripo iye zvino machena, yero, grey, dema, tsvuku, nezvimwewo;
4. Huwandu hwekuwedzera hudiki kwazvo, uye huwandu hwekuwedzera patani imwe chete i5~12 kg;
5. Simba rekutanga rinoshamisa. Simende haina simba kwemazuva matatu, uye inogona kukanganisa bhodhi rekudzivirira kupisa nekurinamira.
6. Zvinonzi bhodhi reXPS rinogona kushandiswa pasina interface agent.
Kuburikidza nemasampuli akawanikwa kusvika pari zvino, zvinogona kugumiswa kuti iresin ine solvent inonyungudutswa nezvinhu zvisingaremi zvine maburi, asi mutengesi anoda kudzivirira izwi rekuti "solvent" nemaune, saka rinonzi "rabha powder"
kushaya:
1. Kusawirirana kwemvura inonyungudutsa muzuva idambudziko guru. Muzuva, inoshanduka munguva pfupi. Kunyangwe isiri muzuva, kubatana kwekubatana kuchakurumidza kuora nekuda kwekuvakwa kwegomba;
2. Kusakwegura, solvent haidziviriri kupisa, munhu wese anoziva izvi;
3. Sezvo nzira yekubatanidza iri yekunyungudutsa interface yebhodhi rekudzivirira kupisa, pane kudaro, inoparadzawo interface yekubatanidza. Kana paine dambudziko padanho rekupedzisira, kukuvara kwacho kuchauraya;
4. Hapana muenzaniso wekushandiswa kunze kwenyika. Neruzivo rwakakura rweindasitiri yemakemikari yekune dzimwe nyika, hazvigoneke kusawana chinhu ichi.
pfupiso:
Upfu hwepolymer hunopararira:
1. Chigadzirwa cheupfu hwelatex chinonyungudika ihupfu hunonyungudika hunonyungudika mumvura, huri copolymer ye ethylene ne vinyl acetate, uye hunoshandisa polyvinyl alcohol se colloid inodzivirira.
2. Upfu hwelatex hunonyungudika hweVAE hune hunhu hwekugadzira firimu, 50% mvura inobuda musanganiswa inoita emulsion, uye inoumba firimu rakaita sepurasitiki mushure mekuiswa pagirazi kwemaawa makumi maviri nemana.
3. Firimu rakagadzirwa rine kuchinjika uye rinodzivirira mvura. Rinogona kusvika padanho renyika.
4. Upfu hwelatex hunonyungudika hune simba guru: hune simba guru rekubatanidza, hunoshanda zvakasiyana uye hunoshanda zvakanaka mukudzivirira mvura, simba rakanaka rekubatanidza, hunopa simba rakanaka rekudzivirira alkali mudhaka, uye hunogona kuvandudza kunamira uye simba rekuchinja kwedhaka. , purasitiki, hunodzivirira kupera uye kuvaka, hune simba rakasimba mudhaka rinodzivirira kutsemuka.
Upfu hweResin:
1. Upfu hwerabha hweResin imhando itsva yemuchina wekugadzirisa rabha, resin, macromolecular polymer, upfu hwerabha yakakuyiwa nezvimwe zvinhu.
2. Upfu hwerabha hweResin hunogara kwenguva refu, hahugoni kukwenywa, hahuparadzike zvakanaka, humwe hunoita sehunotsvedza (hunofanira kunge hune maburi akaita sesepiolite), uye upfu huchena (asi hune hwema hunopisa hwakafanana neparafini)).
3. Mamwe mapoda eresin anokuvadza bhodhi, uye kudzivirira mvura hakuna kunaka.
4. Kusapindirana kwemvura ne resin rabber powder kwakaderera pane kwe latex powder. Kusapindirana kwemvura idambudziko guru. Muzuva, inoshanduka munguva pfupi. Kunyangwe isiri muzuva, iyo bonding interface, Sezvo iri cavity construction, inokurumidza kuora.
5. Upfu hwerabha hweResin hahugone kuumbwa, uye hahuchinjiki. Zvichienderana nemwero wekuongorora wedhaka rekunze rinodzivirira madziro ekunze, mwero wekuparadzwa kwebhodhi repolystyrene chete ndiwo unoenderana nemwero. Zvimwe zviratidzo hazvisi kusvika padanho repamusoro.
6. Upfu hweresin hunogona kushandiswa chete pakubatanidza mabhodhi epolystyrene, kwete pakubatanidza mabhora ane vitrified uye mabhodhi asingatsvi.
Nguva yekutumira: Gumiguru-31-2022