I-contaties yoomatshini isetyenziswa kwixabiso elincinci kwimali, kodwa banokuyiphucula kakhulu intsebenzo yengubo, kwaye babe yinxalenye engenakuphikwa kwengubo. I-thickener luhlobo lwe-ratiorical bonger, engenakuphela nje i-caistory kuphela kwaye ithintele ukungcungcutheka ngexesha lokwakhiwa, kodwa kukhulisa i-combories kunye nozinzo oluhle kakhulu. Yiklasi ebaluleke kakhulu yoongezwa kweepeyinti ezisekwe emanzini ngohlobo oluphantsi.
1 Iindidi zepeyinti esekwe emanzini
Okwangoku, zininzi iintlobo zee-thi cokeners ezifumanekayo kwimarike, ikakhulu zibandakanya i-inorganic thisnicers, iiselpuloses, iipolyacylates kunye ne-polyarethane emanzini. Inorganic thickener is a kind of gel mineral which absorbs water and expands to form thixotropy. Kukho i-Bentotite, i-Aghpulgite, i-AlUminium Silicate, njl njl, phakathi kweBenitonite yeyona isetyenziswa kakhulu. Iziqwengana zeselfowuni zinembali ende kwaye kukho iintlobo ezininzi, kubandakanya i-methyl seluplose, i-carboxymethyl seluplose, hydroxymethy, njl. Eyona nto isetyenziswayo kwezi zinto yi-hydroxyythl sellyulose. Ii-throcrylates zinokungahlulwa zibe zimbini iintlobo: enye yi-proocrylate enyibilikayo yamanzi; Enye i-homopolymer okanye i-cellymer emulsion tickener ye-acrylic acid kunye ne-methacrylic acid. I-acidic ngokwayo, kwaye kufuneka ifakwe ngokungathathi cala ne-Alkali okanye i-Amomonia amanzi kwi-PH 8 ~ 9 ukufezekisa ifym Ii-Polyredthane tikkenes zikhule izizwe ezisandulelayo kwiminyaka yakutshanje.
Iimpawu ezi-2 zeetrickers ezahlukeneyo
2.1 I-seluplose tickener
Iziqwengana ze-selluloloc zinempumelelo enkulu, ngakumbi ekufundiseni inqanaba lamanzi; Banezithintelo ezincinci malunga neendlela zokuhamba kunye kwaye zisetyenziswe ngokubanzi; Banokusetyenziswa kuluhlu olubanzi lwePH. Nangona kunjalo, kukho izinto eziluncedo njengokwenqanaba elihlwempuzekileyo, ngakumbi iqhekeza ngexesha lokuhamba kwe-roller, uzinzo olungelulo, kwaye ichaphazeleka kwi-microbial. Kuba inophawu olusezantsi phantsi koShear oPhezulu kunye ne-viscofity ephezulu phantsi koShelic kunye noShear ophantsi, i-viscosity yonyusa ngokukhawuleza emva kokuqala, ethintela ukungcungcutheka, kwelinye icala, ibangela ukubalwa kwenqanaba elihlwempuzekileyo. Izifundo zibonakalise ukuba njengamanqanaba omzimba wesihlobo onyukayo, ukwenziwa kwepeyinti ye-Latex kuyanda. Iziqwengana ze-sellulonsc zithambekele ekutyibilikeni ngenxa yesininzi sabo esikhulu semolekyuli. Kwaye ngenxa yokuba i-seluplose i-hydrophilic, iya kunciphisa ukumelana kwamanzi kwefilimu yepeyinti.
2.2 I-acrylic tickener
Iziqwengana ze-polyacylic acid zineepropathi eziqatha eziqinileyo kunye nezivelisa, kunye nokuzinza kwebhayoloji ezilungileyo, kodwa zinomdla kwi-PH kwaye zixhathise amanzi ahluphekayo.
2.3 Ponturethane ye-Polyurthane
Ubume bobubanzi bePolyciethane tickener itshatyalalisiwe phantsi kwesenzo samandla eShear, kwaye i-viscosity ihla. Xa i-Shear Foule inyamalale, i-vickosity ingabuyiselwa, enokuthintela imeko ye-SAG kwinkqubo yokwakha. Kwaye ukubuyela kwakhona kwe-viscosity ye-hysteresis eqinisekileyo, elungele ukuqhutywa kwefilimu ehlekisayo. I-Molecular Molecular iMolecular (amawaka ukuya kumashumi amawaka) ii-Polyredthane Subkenes ziphantsi kakhulu kune-molecular molecular molecular (amakhulu amawaka ezigidi) zeentlobo ezimbini zokuqala ze-thisket, kwaye aziyi kukhuthaza ukutshiza. Iimolekyuli zePolyurethane tickener zinee-hydropholic namaqela e-hydrophobic, kunye namaqela e-hydrophobic anezinto ezimbi zefilimu, enokuphucula ukumelana kwamanzi kwifilimu yokufumana amanzi. Ukusukela amasuntswana e-Latex uthatha inxaxheba kuMbutho, akuyi kubakho nza rhoqo, ngoko ke ifilimu ehlambileyo inokuba igudileyo kwaye inegrasi ephezulu. Uninzi lweepropathi zePolycierthane zePolycigthane ziphezulu kwezinye iindawo ezinkulu, kodwa ngenxa yendlela yayo eyodwa ye-mielle, ezo zinto zibalulekileyo zokuqulunqwa kokuchaphazela imilukini. Xa usebenzisa olu hlobo lwe-tickener, ifuthe lezinto ezahlukeneyo kwintsebenzo yokutyibilika kufuneka ithathelwe ingqalelo ngokupheleleyo, kwaye i-Emoulsion, uDefoameri, uNcedo lokuSebenza, njl.
2.4 I-Inorganic Suisk
Izibonelelo ze-Inorganic zineengenelo zokuzithandela okuqinileyo, i-thixittropy, i-pH ye-PH, kunye nokuzinza okuhle. Nangona kunjalo, kuba i-Bentote ingumgubo we-inorganic onomgubo wokukhanya okukhanyayo, inokunciphisa kakhulu i-gloss yefilimu yefilimu ehlekisayo kwaye isebenze njengearhente yokutshata.
I-Post Time: NgoDE-27 ukuya ku-2002