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 inoomeswa nespray uye inogadzirwa nehupfu hwerabha hunogona kushandiswazve. Hupfu hwelatex hwakapararira, saka musiyano uripi pakati pehupfu hweresin nehupfu hwelatex hunodzokororwa, hupfu hweresin hunogona kutsiva hupfu hwelatex hunodzokororwa here?
Ongorora muchidimbu musiyano uripo pakati pezviviri izvi kuti uwane mamwe mashoko:
01. Upfu hwelatex hunonyungudika zvakare
Parizvino, upfu hwelatex hunonyungudika hunoshandiswa zvakanyanya pasi rose ndehwekuti: vinyl acetate ne ethylene copolymer powder (VAC/E), ethylene, vinyl chloride ne vinyl laurate ternary copolymer powder (E/VC/VL), acetic acid Vinyl ester, ethylene ne higher fatty acid vinyl ester ternary copolymer powder (VAC/E/VeoVa), upfu hwelatex hutatu hunonyungudika hunotonga musika wese, kunyanya vinyl acetate ne ethylene copolymer powder VAC/EE, hune chinzvimbo chepamusoro mumunda wepasi rose uye hunomiririra hunhu hwe polymer powder inonyungudika. Chiri mhinduro yakanakisisa yehunyanzvi maererano neruzivo rwehunyanzvi nema polymers anoshandiswa pakugadzirisa mortar:
1. Ndiyo imwe yemapolymer anoshandiswa zvakanyanya pasi rose;
2. Ruzivo rwekushandisa mumunda wekuvaka ndirwo rwakanyanya;
3. Inogona kusangana nemaitiro e rheological anodiwa nemortar (ndiko kuti, kugona kunodiwa kwekuvaka);
4. Resin yepolymer ine mamwe ma monomers ine hunhu hwezvinhu zvisinganyanyi kuomera (VOC) uye gasi risinganyanyi kuomera;
5. Ine hunhu hwekudzivirira UV zvakanaka, kudzivirira kupisa zvakanaka uye kugadzikana kwenguva refu;
6. Kuramba kwakanyanya kusanganiswa kwemvura ne saponification;
7. Ine girazi rakafara kupfuura mamwe ese (Tg);
8. Ine hukama hwakazara, kuchinjika uye hunhu hwemakanika hwakanaka;
9. Ane ruzivo rwakakura mukugadzira makemikari ekugadzira zvigadzirwa zvemhando yepamusoro zvakagadzikana uye ane ruzivo mukuchengetedza kugadzikana kwekuchengetedza;
10. Zviri nyore kwazvo kusanganisa ne colloid inodzivirira (polyvinyl alcohol) ine simba repamusoro.
02. Upfu hweResin
Ruzhinji rwe "resin" rabha yehupfu iri pamusika rine kemikari inonzi DBP. Unogona kutarisa kukuvadza kwekemikari iyi, iyo inokanganisa mashandiro epabonde evarume. Huwandu hwakawanda hwerudzi urwu rwerubha hwehupfu hwakaunganidzwa mudura uye murabhoritari, uye hune kusagadzikana kwakati. Musika weBeijing, unozivikanwa nehuwandu hwawo hwe "rubha yehupfu", ikozvino une mazita akasiyana-siyana e "rubha yehupfu" yakanyikwa muzvinonyungudutsa: rubha yehupfu yakasimba isingapindi mvura, rubha yehupfu ye resin, nezvimwewo. Hunhu hwakajairika:
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 zvakaipa;
2. Inonhuhwirira zvine hukasha;
3. Mamwe mavara akawedzerwa, uye mavara ari kuoneka parizvino machena, yero, grey, dema, tsvuku, nezvimwewo;
4. Huwandu hwekuwedzera hudiki kwazvo, uye huwandu hwekuwedzera patani imwe chete i5-12 kg;
5. Simba rekutanga rakanaka zvinoshamisa. Simende haina simba mumazuva matatu, uye bhodhi rekudzivirira rinogona kubatwa nengura uye kunamirwa;
6. Zvinonzi XPS board haidi interface agent;
Kuburikidza nemasampuli akawanikwa kusvika pari zvino, zvinogona kugumiswa kuti iresin ine solvent inonyungudutswa nezvinhu zvakapfava zvine maburi, asi mutengesi anoda kudzivirira nemaune izwi rekuti "solvent", saka rinonzi "rabha powder".
kushaya:
1. Kusawirirana kwemvura inonyungudutsa muzuva idambudziko guru. Muzuva, inonyangarika munguva pfupi. Kunyangwe isiri muzuva, kubatana kwekubatanidza kunoparara nekukurumidza nekuda kwekuvakwa kwegomba;
2. Kusakwegura, zvinonyungudutsa hazvidziviriri kupisa, munhu wese anoziva izvi;
3. Sezvo nzira yekubatanidza iri yekunyungudutsa interface yebhodhi rekudzivirira kupisa, pane kudaro, inoparadzawo interface yekubatanidza. Kana paine dambudziko nedambudziko iri padanho rekupedzisira, kukuvara kwacho kuchauraya;
4. Hapana muenzaniso wekushandiswa munyika dzekunze. Neruzivo rwemakemikari akura kunze kwenyika, hazvigoneke kusawana chinhu ichi.
Upfu hwelatex hunonyungudika zvakare
1. Chigadzirwa cheupfu hwelatex chinonyungudika ihupfu hunonyungudika hunonyungudika mumvura, inova copolymer ye ethylene ne vinyl acetate, ine polyvinyl alcohol se colloid inodzivirira.
2. Upfu hwelatex hunonyungudika hweVAE hune hunhu hwekugadzira firimu, 50% mvura inobuda musanganiswa inoita emulsion, uye inoita 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, hunosimbisa simba re alkali mudhaka, uye hunogona kuvandudza kunamira uye simba re flexural redhaka. Pamusoro pe plasticity, kuramba kupfeka uye kuvaka, hune simba rakasimba mudhaka rinodzivirira kutsemuka.
upfu hweresin
1. Upfu hwerabha hweResin rudzi rutsva rwekugadzirisa zvigadzirwa zvakaita serabha, resin, polymer yakawanda yemamorekuru, uye upfu hwerabha hwakakuyiwa zvakanaka;
2. Upfu hwerabha hweResin hunogara kwenguva refu, hahuna kupararira zvakanaka, hunoita sehunotsvedza (hunofanira kunge hune maburi akaita sesepiolite), uye kune hupfu 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 ne ether idambudziko guru. Muzuva, inonyangarika munguva pfupi. Kunyangwe isiri muzuva, iyo bonding interface ichapera. Nekuda kwekuvakwa kwe cavity, ichaora nekukurumidza;
5. Upfu hwerabha hweResin hahugone kuumbwa, tisingatauri nezvekuchinjika. Zvichienderana nemiyero yekuyedza dhaka rekunze rinodzivirira madziro, mwero wekukuvadzwa kwebhodhi repolystyrene chete ndiwo unosangana nemwero. Zvimwe zviratidzo hazvisi padanho repamusoro;
6. Upfu hwerabha hweResin hunogona kushandiswa chete kubatanidza mabhodhi epolystyrene, kwete mabhora ane vitrified uye mabhodhi asingatsvi.
Nguva yekutumira: Chikumi-02-2023