Rinjiga HEC ee Latex

1. Dulmar Guud oo Aasaasi ah oo ku saabsan HEC

Haydroxyethyl Cellulose (HEC)waa polymer aan biyo-ku-milmi karin oo aan ionic ahayn, kaas oo laga sameeyo falcelinta cellulose iyadoo la adeegsanayo ethylene oxide ka dib marka alkalization la sameeyo. Maadaama uu yahay dhumuc-milmi karo biyaha oo aad waxtar u leh, HEC waxay door aan la beddeli karin ka ciyaartaa rinjiga latex. Beddelka hydroxyethyl ee qaab-dhismeedkeeda molecular wuxuu siinayaa milmi biyo oo aad u fiican iyo xasillooni kiimiko, taasoo ka dhigaysa mid ka mid ah dhumuc-sameeyayaasha ether cellulose ee ugu badan ee loo isticmaalo warshadaha rinjiga ku salaysan biyaha.

2. Astaamaha ugu muhiimsan ee HEC ee rinjiga latex

Waxqabadka dhumucda aadka u fiican

Astaamaha ugu caansan ee HEC waa awooddeeda dhumucda ee aadka u fiican:

Waxtarka dhumucda sare: qadarka ku darista oo aad u hooseeya (badanaa 0.2%-1.0% ee qaacidada guud) waxay si weyn u kordhin kartaa isku-dhafka nidaamka

Astaamaha dareeraha Pseudoplastic: viscosity sare marka uu taagan yahay, viscosity hoos ayuu u dhacaa inta lagu jiro xiirashada dhismaha, taas oo aan hubin oo keliya xasilloonida kaydinta laakiin sidoo kale fududaynaysa cadayashada

La hagaajin karo muuqaalka indhaha: Badeecadaha HEC oo leh miisaanno molecular oo kala duwan ayaa bixin kara isku-dhafnaan u dhaxaysa kumanaan ilaa tobanaan kun oo mPa ah

Xakamaynta waxqabadka rheological ee heer sare ah

HEC waxay si wax ku ool ah u horumarin kartaa sifooyinka rheological ee rinjiga latex:

Ka hortagga dhogorta: waxay ka hortagtaa in rinjigu dhoco marka lagu mariyo meelaha toosan

Socod wanaagsan iyo simanaan: si toos ah ayuu u siman karaa ka dib cadayashada, isagoo yareynaya calaamadaha burushka

Haynta biyaha ee dhexdhexaadka ah: waxay dib u dhigtaa uumi-baxa biyaha waxayna dheereysaa waqtiga furitaanka

Waafaqsanaan iyo xasillooni aad u fiican

Nidaamka rinjiga HEC ee latex wuxuu muujinayaa:

La qabsiga ballaaran ee pH: waxqabadka xasilloon ee heerka pH ee 2-12

Dulqaad aad u fiican oo elektrolyt ah: saameyn kuma yeelan walxaha milixda ku jira nidaamka

Xasillooni kaydin oo wanaagsan: ma fududa in la kala saaro ama la soo dejiyo inta lagu jiro kaydinta muddada dheer

Astaamaha ilaalinta deegaanka iyo badbaadada

Sida wax lagu daro cagaaran, HEC waxay leedahay sifooyinka soo socda:

Ma aha sun iyo wax aan dhib lahayn: kuma jiraan APEO, formaldehyde iyo walxo kale oo waxyeello leh

Baaba'aya: waxaa burburin kara noolaha yaryar, deegaankana u fiican

Sifooyinka VOC ee hooseeya: waxay buuxisaa shuruudaha horumarinta ee dahaarka deegaanka u fiican

3. Hawlaha HEC ee rinjiga latex

Xasilinta nidaamka kala firdhinta

HEC waxay dejisaa walxaha midabka iyo buuxinta iyada oo loo marayo hababka soo socda:

Kordhi dheellitirka marxaladda joogtada ah oo hoos u dhig heerka kala-soocidda ee walxaha

Samee qaab-dhismeed shabakad saddex-geesood ah si looga hortago isu-ururinta walxaha

Soo saar saameyn caqabad steric ah oo leh walxaha latex

Hagaaji waxqabadka dhismaha

HEC waxay wanaajisaa waxqabadka dhismaha ee rinjiga latex:

Hagaaji dheellitirka si aad rinjiga uga dhigto mid fudud in la rogo, la cadayo ama la buufiyo

Xakamaynta waxqabadka buufinta iyo yaree khasaaraha dhismaha

Kordhi wakhtiga qoyan ee loogu talagalay habaynta fudud ee kala-goysyada

Hagaaji tayada filimka rinjiga

HEC waxay kaa caawineysaa sameynta filim rinji oo tayo sare leh:

Kor u qaadidda qaybinta siman ee midabada iyo hagaajinta awoodda qarinta

Yaree jajabka iyo dildilaaca inta lagu jiro qalajinta

Kobcinta cufnaanta filimka rinjiga oo hagaaji iska caabbinta xoqidda

4. Faa'iidooyinka isbarbardhigga ee HEC iyo kuwa kale ee dhumuc weyneeya

Marka la barbar dhigo dhumuc-dhejiyeyaasha aan dabiiciga ahayn

Marka la barbar dhigo bentonite, magnesium aluminium silicate, iwm.:

Waxtarka dhumucda sare

Saameyn kuma yeelanayso dhalaalka filimka rinjiga

Ma keeno isbeddello ku yimaada qiimaha pH ee nidaamka

Marka la barbar dhigo dhumuceeyayaasha polymer-ka ee synthetic-ga ah

Marka la barbar dhigo polyurethanes (HEUR) iyo acrylics (HASE):

Qiimo tartan badan leh

Isbeddellada qaacidada oo aan saameyn badan ku yeelan

Xasillooni kaydinta oo wanaagsan

Marka la barbar dhigo ether-yada kale ee cellulose

Marka la barbar dhigo methyl cellulose (MC) iyo hydroxypropyl methyl cellulose (HPMC):

Milmi wanaagsan, heerkul jel ah ma jiro

Iska caabin caariyaysi oo ka wanaagsan

Waafaq wanaagsan oo leh emulsions

5. Astaamaha isticmaalka HEC ee rinjiyada gaarka ah ee latex

Rinjiga latex-ka ee dhalaalaya sare leh

Bixi isku-dhafnaan qaab-dhismeed dhexdhexaad ah iyada oo aan saameyn ku yeelan dhalaalka

Yaree u janjeersiga kala soocidda biyaha ee nidaamyada sare ee PVC

Ka caawi budada aluminiumka iyo midabyada kale ee saamaynta leh inay is waafajiyaan

Rinjiga latex-ka ee laastikada ah

Isku dheelitir iska hor imaadka u dhexeeya dabacsanaanta iyo ka hortagga hoos u dhaca

Ka hortag daadashada inta lagu jiro dahaarka qaro weyn

Joogtee waxqabadka dib-u-soo-celinta ee dahaarka

Rinjiga latex ee shaqeynaya

Saameyn kuma yeelaneyso dahaarka bakteeriyada dila = Saamaynta waxtarka maaddooyinka firfircoon

Bixi waxqabad ganaax ah oo ku habboon dahaarka dahaarka kulaylka

Ku dar walxaha ilaaliya si aad u dheereyso cimriga qasacadda.

6. Taxaddarrada isticmaalka HEC

Habka kala dirida: Habka kala firdhinta ee ku habboon waa in loo adeegsadaa si looga hortago isku-darka. Waxaa lagu talinayaa in marka hore lagu qaso budada qalalan ama la diyaariyo jelka kahor.

Waqtiga lagu daray: Badanaa waxaa lagu daraa marxaladda isku darka rinjiga si looga fogaado taabashada tooska ah ee kala firdhiyeyaasha qaarkood

Xulashada iswaafajinta: Badanaa waxaa loo isticmaalaa iyadoo lala kaashanayo noocyada kale ee dhumuc-saareyaasha si loo gaaro saameyn isku-dhafan

Xaaladaha Kaydinta: Waa in la xiraa oo lagu kaydiyaa jawi qalalan si looga hortago nuugista qoyaanka iyo isku-ururinta

7. Isbeddellada horumarinta mustaqbalka

Iyadoo la horumarinayo tiknoolajiyada rinjiga latex, alaabada HEC sidoo kale si joogto ah ayay u cusboonaysiiyaan:

HEC dambas yar ayaa yareysa saameynta filimka rinjiga

HEC degdeg ah ayaa fududaynaysa habka wax soo saarka

HEC-da lagu daweeyay dusha sare waxay hagaajisaa waxqabadka kala firdhinta

Iyada oo lagu daray nanotechnology si loo horumariyo badeecooyin badan oo shaqeynaya

HECWaxay ku fadhidaa boos muhiim ah oo ku yaal goobta rinjiga latex iyadoo leh astaamo waxqabad oo gaar ah. Saamaynteeda dhumucda ee aadka u fiican, waxqabadka dhismaha ee wanaagsan iyo astaamaha kaydinta xasilloon waxay ka dhigayaan mid ka mid ah kuwa dhumucda badan ee loogu talagalay qaabeeyayaasha rinjiga ee biyaha ku salaysan. Iyada oo ay sii kordhayaan shuruudaha ilaalinta deegaanka ee adag iyo horumarinta joogtada ah ee tiknoolajiyada dahaarka, rajada isticmaalka HEC ee rinjiga latex waxay noqon doontaa mid ballaaran.