Cholumikizira chochokera m'madzi, chomwe chimasungunuka m'madzi, ndi polima wopangidwa ndi njira zosiyanasiyana pogwiritsa ntchito madzi ngati njira yofalitsira ndikuwonjezera kuchuluka koyenera kwa emulsifier. Cholumikizira chochokera m'madzi nthawi zambiri chimakhala chosungunuka m'madzi ndipo chimagwiritsidwa ntchito mu zokutira, inki, zomatira ndi zinthu zina. Chifukwa chogwiritsa ntchito cholumikizira chochokera m'madzi ndipo njira zopangira zimakhala zovuta kwambiri, cholumikizira chochokera m'madzi chochepa chimagwiritsidwa ntchito mu zokutira, inki ndi zomatira. Cholumikizira chochokera m'madzi chimakhala ndi kukhuthala kochepa, kufalikira mosavuta, palibe thovu, palibe formaldehyde yaulere ndi zina. Chagwiritsidwa ntchito kwambiri mu zokutira, inki ndi zomatira.
Njira zolumikizirana ndi madzi zili ndi izi:
- Kukhazikika kwabwino kwa madzi ndi zosungunulira zambiri
Madzi opangidwa ndi madzi olumikizirana ndi madzi ngati njira yobalalitsira, kotero kukhazikika kwa madzi ndi zosungunulira zambiri ndizabwino kwambiri. Kukhazikika kwa njira yolumikizirana m'madzi amadzimadzi kumatengera kulemera kwake ndi kapangidwe kake. Monga momwe cholumikizira cholumikizira chimasungunuka m'madzi, chimatha kusungunuka m'madzi, kotero sichidzawomba. Madzi olumikizana ndi madzi amakhala ndi gulu la carboxyl, mamolekyu ake amakhala ndi gulu la carboxyl, zomwe zimapangitsa kuti madzi olumikizana ndi madzi azikhala okhazikika. Nthawi zambiri, kuyanjana kokhazikika pakati pa gulu la carboxyl ndi gulu la hydrophilic kumachitika makamaka pakati pa magulu awiri a hydrophilic. Mwachitsanzo, ma emulsion a acrylic ali ndi magulu a carboxyl ndi magulu a hydroxyl, ndipo pali mgwirizano wa haidrojeni pakati pawo. Kulumikizana kwa haidrojeni kumapangitsa kuti ma emulsion a acrylic azikhala okhazikika ndipo samakhudzidwa mosavuta ndi chinyezi, alkali, kutentha, kuwala, mpweya ndi zinthu zina. Ndipo imatha kukhala yokhazikika chifukwa cha zinthu zosiyanasiyana, monga kutentha, kuwala, etc.
- Zopanda poizoni komanso zopanda vuto, sizingawononge chilengedwe
Kugwiritsiridwa ntchito kwa crosslinker yamadzi ndiko kugwiritsa ntchito madzi ngati sing'anga yobalalitsira, kuwonjezera emulsifier ndi kuyambitsa, ndikuchitapo pa kutentha kwina kuti apange polima. Polima iyi ndi yopanda poyizoni komanso yosakhala yowopsa, ndipo siyiyambitsa kuipitsa chilengedwe.
(1) Itha kugwiritsidwa ntchito mumitundu yosiyanasiyana yomatira, monga: polyurethane yamadzi, acrylic opangidwa ndi madzi, polyurethane yamadzi, epoxy yamadzi, ndi zina;
(2) Itha kugwiritsidwa ntchito kutentha komanso kutentha kwambiri, komwe kumatha kukwaniritsa zofunikira m'malo osiyanasiyana;
(3) Kugwiritsidwa ntchito kosiyanasiyana, osati kokha kwa magawo azinthu zosiyanasiyana, komanso zipangizo monga matabwa ndi mapepala;
(4) Kumanga bwino, kungagwiritsidwe ntchito popopera mankhwala, kupaka kapena kupopera;
(5) Itha kugwiritsidwa ntchito ndi zowonjezera zosiyanasiyana;
(6) Kuchuluka kwa crosslink ndi mphamvu;
(7) Yosavuta kugwiritsa ntchito, imatha kusinthidwa malinga ndi zosowa za ogwiritsa ntchito.
Ma crosslinkers opangidwa ndi madzi amagwiritsidwa ntchito kwambiri popaka, inki, ndi zomatira zimagwiritsidwa ntchito kwambiri. Monga chosinthira, crosslinker yochokera kumadzi ingagwiritsidwe ntchito kukonza mawonekedwe opangira filimu a zokutira zokhala ndi madzi, atha kugwiritsidwa ntchito kuwongolera ma inki opangidwa ndi madzi, angagwiritsidwenso ntchito kukonza kukana kwamadzi kwa zomatira zamadzi.
Ma crosslinkers opangidwa ndi madzi nthawi zambiri amapangidwa ndi madzi ngati njira yobalalitsira, ndipo kuchuluka koyenera kwa dispersant kumatha kuwonjezeredwa panthawi yogwiritsidwa ntchito. Palibe chifukwa chogwiritsa ntchito zosungunulira za organic kuti zisungunuke, zomwe sizikhudza kwambiri chilengedwe komanso ndizosavuta kugwiritsa ntchito. Kuphatikizika kwamadzi pakugwiritsa ntchito zokutira: Crosslinker yochokera m'madzi imagwiritsidwa ntchito kwambiri pakupaka, imatha kupangitsa kuti kuchiritsa kufulumire mwachangu komanso kuchepetsa kutentha kwa machiritso. Panthawi imodzimodziyo, chifukwa crosslinkers madzi opangidwa ndi madzi makamaka amagwiritsa ntchito madzi monga sing'anga yobalalika, palibe chifukwa chowonjezera zosungunulira za organic panthawi yopanga, zomwe zimachepetsa kwambiri mtengo wopangira ndikuchepetsa mtengo wa mankhwala. Kuphatikiza apo, imathanso kuchepetsa kutulutsa kwazinthu zovulaza monga VOC.
Madzi opangidwa ndi madzi amatha kugwiritsa ntchito madzi ngati zosungunulira popanda zosungunulira zamtundu uliwonse, zomwe zimachepetsa kuipitsidwa kwa chilengedwe ndi organic solvent popanga. Kukhuthala kocheperako ndikosavuta kubalalika, ndipo kumatha kukhala kolumikizana bwino kwambiri ndi ndende yotsika kwambiri ya dosing komanso kuchuluka kwa madontho ochepa. Ikhoza kukonzedwa pa kutentha kochepa. Zopanda formaldehyde zaulere, kupewa vuto la kuipitsa kwa formaldehyde.
Zambiri zokhudza SINOYQX modified melamine formaldehyde resin, chonde titumizireni imelo: [email protected] , kapena titumizireni uthenga pa: +86-28-8411-1861.
Zithunzi ndi zolemba zina zidapangidwanso kuchokera pa intaneti, ndipo kukopera ndi kwa wolemba woyamba. Ngati pali kuphwanya kulikonse, chonde titumizireni kuti tifufute.