Paint grade HEC

Mtundu wa utotoHEC Hydroxyethyl mapadi ndi mtundu wa si-ayoni madzi sungunuka polima, woyera kapena chikasu ufa, zosavuta kuyenda, odorless ndi zoipa, akhoza kupasuka m'madzi ozizira ndi otentha, ndi kuvunda kumawonjezeka ndi kutentha, ambiri insoluble mu ambiri organic. zosungunulira. Ili ndi kukhazikika kwa PH komanso kusintha pang'ono kwa mamasukidwe amtundu wa ph2-12. HEC ili ndi kukana mchere wambiri komanso luso la hygroscopic, ndipo imakhala ndi kusungirako madzi amphamvu a hydrophilic. Yankho lake lamadzi lili ndi zochitika zapamtunda ndipo zinthu zowoneka bwino kwambiri zimakhala ndi pseudoplasticity yayikulu. Itha kupangidwa kukhala filimu yowonekera ya anhydrous yokhala ndi mphamvu zolimbitsa thupi, yosakhudzidwa mosavuta ndi mafuta, osakhudzidwa ndi kuwala, ikadali ndi filimu yosungunuka m'madzi ya HEC. Pambuyo pa chithandizo chapamwamba, HEC imabalalitsa ndipo sichigwirizana m'madzi, koma imasungunuka pang'onopang'ono. PH imatha kusinthidwa kukhala 8-10 ndikusungunuka mwachangu.

Waukulu katundu

Hydroxyethyl cellulose(HEC)kuti akhoza kusungunuka m'madzi ozizira ndi madzi otentha, ndipo alibe makhalidwe a gel osakaniza. Ili ndi mitundu yosiyanasiyana yosinthira, solubility ndi mamasukidwe akayendedwe. Ili ndi kukhazikika kwabwino kwa kutentha (pansi pa 140 ° C) ndipo sichimatulutsa pansi pa acidic. mvula. Yankho la hydroxyethyl cellulose(HEC) likhoza kupanga filimu yowonekera, yomwe ili ndi mawonekedwe osakhala a ionic omwe sagwirizana ndi ayoni ndipo amakhala ogwirizana bwino.

Monga colloid zoteteza, utoto kalasi HEC angagwiritsidwe ntchito vinilu acetate emulsion polymerization kusintha bata dongosolo polymerization mu lonse PH osiyanasiyana. Popanga zinthu zomalizidwa kuti apange pigment, filler ndi zina zowonjezera omwazika, okhazikika komanso okhazikika. Itha kugwiritsidwanso ntchito ngati styrene, acrylic, acrylic ndi ma polima ena oyimitsidwa ngati dispersants, omwe amagwiritsidwa ntchito mu utoto wa latex amatha kusintha kwambiri makulidwe, kuwongolera magwiridwe antchito.

Kufotokozera Kwamankhwala

Zogulitsa Maphunziro 

Njira yogwiritsira ntchito hydroxyethyl cellulose HEC m'madziutoto

1. Onjezerani mwachindunji pamene mukupera pigment: njira iyi ndi yosavuta, ndipo nthawi yogwiritsidwa ntchito ndi yochepa. Njira zatsatanetsatane ndi izi:

(1) Onjezani madzi oyeretsedwa oyenera mu VAT ya chowotcha chodula kwambiri (nthawi zambiri, ethylene glycol, chonyowetsa ndi wopangira filimu akuwonjezeredwa panthawiyi)

(2) Yambani kuyambitsa pa liwiro lotsika ndikuwonjezera pang'onopang'ono hydroxyethyl cellulose

(3) Pitirizani kusonkhezera mpaka tinthu tambirimbiri tanyowa

(4) onjezani mildew inhibitor, PH regulator, etc

(5) Limbikitsani mpaka ma cellulose onse a hydroxyethyl atasungunuka kwathunthu (kukhuthala kwa yankho kumachulukirachulukira) musanawonjezere zigawo zina mu chilinganizo, ndikupera mpaka utoto.

2. okonzeka ndi mayi madzi kuyembekezera: njira imeneyi choyamba okonzeka ndi apamwamba ndende ya madzi madzi, ndiyeno kuwonjezera lalabala utoto, ubwino njira imeneyi ndi kusinthasintha kwambiri, akhoza mwachindunji anawonjezera utoto anamaliza mankhwala, koma ayenera kukhala oyenerera yosungirako. . Masitepe ndi njira zofanana ndi masitepe (1) - (4) mu Njira 1, kupatulapo kuti chowombera chodula kwambiri sichifunikanso ndipo choyambitsa china chokha chokhala ndi mphamvu zokwanira kusunga ulusi wa hydroxyethyl wobalalika mu yankho ndi wokwanira. Pitirizani kuyambitsa mpaka utasungunuka kwathunthu mu njira wandiweyani. Dziwani kuti inhibitor ya mildew iyenera kuwonjezeredwa ku mowa wa amayi mwamsanga.

3. Porridge ngati phenology: Popeza zosungunulira za organic ndi zosungunulira zoyipa za hydroxyethyl cellulose, zosungunulira za organic izi zitha kukhala ndi phala. Zomwe zimagwiritsidwa ntchito kwambiri ndi organic solvents monga ethylene glycol, propylene glycol, ndi mafilimu opanga mafilimu (monga hexadecanol kapena diethylene glycol butyl acetate), madzi oundana amakhalanso osungunulira bwino, choncho madzi a ayezi nthawi zambiri amagwiritsidwa ntchito ndi zakumwa zamadzimadzi mu phala. Gruel - ngati hydroxyethyl cellulose akhoza kuwonjezeredwa mwachindunji ku utoto. Hydroxyethyl cellulose yakhutitsidwa mu mawonekedwe a phala. Pambuyo powonjezera lacquer, sungunulani nthawi yomweyo ndikukhala ndi mphamvu yowonjezereka. Pambuyo powonjezera, pitirizani kuyambitsa mpaka hydroxyethyl cellulose itasungunuka kwathunthu ndi yunifolomu. Phala wamba amapangidwa posakaniza magawo asanu ndi limodzi a organic zosungunulira kapena madzi a ayezi ndi gawo limodzi la hydroxyethyl cellulose. Pambuyo pa mphindi 5-30, kalasi ya PaintHEChydrolyzes ndi kukwera mowonekera. M'chilimwe, chinyezi chamadzi chimakhala chokwera kwambiri kuti chitha kugwiritsidwa ntchito phala.

4 .Nkhani zofunika kuziganizira pokonzekera mowa wa hydroxyethyl cellulose:

Pchitetezo

1 Isanayambe komanso itatha kuwonjezera kalasi ya PaintHEC, iyenera kugwedezeka mosalekeza mpaka yankho likuwonekera bwino komanso lomveka bwino.

2. Sefa hydroxyethyl cellulose mu thanki yosakaniza pang'onopang'ono. Osawonjezera mu thanki yosanganikirana yochulukirapo kapena mwachindunji mugulu lalikulu kapena lozungulira la PaintHEC.

Kutentha kwa madzi 3 ndi pH yamadzi kumayenderana ndi kutha kwa kalasi ya PaintHEChydroxyethyl cellulose, kotero chidwi chapadera chiyenera kuperekedwa kwa izo.

Osawonjezerapo chinthu choyambirira kusakaniza musanayambe kalasi ya PaintHEChydroxyethyl cellulose ufa wonyowa ndi madzi. Kukweza pH pambuyo pakuviika kumathandiza kusungunuka.

5 . Momwe kungathekere, kuwonjezera msanga kwa mildew inhibitor.

6 Pamene ntchito mkulu mamasukidwe akayendedwe Paint kalasiHEC, kuchuluka kwa mowa wa amayi sikuyenera kupitirira 2.5-3% (polemera), apo ayi mowa wa amayi ndi wovuta kugwira ntchito.

Zinthu zomwe zimakhudza kukhuthala kwa utoto wa latex

1.Kuchuluka kotsalira kwa mpweya mu utoto, kumapangitsanso kukhuthala kwamphamvu.

2.Kodi kuchuluka kwa activator ndi madzi mu fomula ya penti kumagwirizana?

3 mu kaphatikizidwe wa latex, zotsalira chothandizira okusayidi zili kuchuluka.

4. Mlingo wa zokhuthala zina zachilengedwe mumtundu wa utoto ndi kuchuluka kwa mlingo ndi kalasi ya PaintHEC.)

5.mukupanga utoto, dongosolo la masitepe owonjezera thickener ndiloyenera.

6.Chifukwa cha chipwirikiti chochuluka komanso chinyezi chambiri panthawi ya kubalalitsidwa.

7.Kukokoloka kwa Microbial kwa thickener.

Kuyika: 

25kg mapepala matumba mkati ndi matumba PE.

20'FCL yonyamula matani 12 ndi mphasa

40'FCL yonyamula 24ton ndi mphasa