Styrene-butadiene (SB) latex ni ubwoko busanzwe bwa emulsion polymer ikoreshwa mubikorwa byinshi byinganda nubucuruzi.Kuberako igizwe nubwoko bubiri butandukanye bwa monomers, styrene na butadiene, SB latex ishyirwa mubikorwa nka copolymer.Styrene ikomoka ku gukora benzene na Ethylene, kandi butadiene ni umusaruro w’umusaruro wa Ethylene.
Styrene-butadiene latex itandukanye na monomers zombi ndetse na latex naturel, ikozwe mumababi y'ibiti bya Hevea brasiliensis (bita ibiti bya rubber).Iratandukanye kandi nibindi bikoresho byakozwe, styrene-butadiene rubber (SBR), bisangiye izina risa ariko bitanga ibintu bitandukanye.
Gukora Styrene-Butadiene Latex
Styrene-butadiene latex ikorwa binyuze mumikorere ya polymer.Ibi bikubiyemo kongeramo monomer mumazi hamwe na surfactants, abitangiza, acide karubike na monomers yihariye.Abatangizi batera urunigi-reaction polymerisation ihuza styrene monomer na butadiene monomer.Butadiene ubwayo ni ihuriro ryamatsinda abiri ya vinyl, bityo irashobora gukora hamwe nibindi bice bine bya monomer.Nkigisubizo, irashobora kwagura imikurire yumurongo wa polymer ariko ikanashobora guhuza urunigi rwa polymer nundi.Ibi byitwa guhuza, kandi ni ngombwa cyane muri chimie ya styrene-butadiene.Igice gihujwe na polymer ntigishonga mumashanyarazi ikwiye ariko irabyimba kugirango ikore matrix imeze nka gel.Polymers nyinshi zubucuruzi styrene-butadiene zirahuzwa cyane, kuburyo zifite gel nyinshi, umutungo wingenzi ugira ingaruka zikomeye kumikorere ya latex, bigatuma gukomera, imbaraga, na elastique kuruta ibindi bikoresho.Hejuru ubutaha, tuzareba uburyo iyi mitungo ishobora gukoreshwa neza mubikorwa byinshi byinganda.
Gukoresha Ubucuruzi
Styrene-butadiene latex itanga inyungu nyinshi, zirimo kwuzuza kuzuza no kuringaniza / kurambura.Ihinduka ryiyi copolymer ituma umubare wimvange-utagira ingano bivanga n’amazi menshi kandi akomatanya nubutaka butoroshye.Iyi mico ya SB latex ituma iyi synthique ikenerwa mumatsinda yisoko yaguka.SB latex isanzwe ikoreshwa nkigifuniko mubicuruzwa byimpapuro, nkibinyamakuru, flayeri na kataloge, kugirango bigere kumurabyo mwinshi, gucapwa neza, no kurwanya amavuta namazi.SB latex yongerera imbaraga pigment ihuza imbaraga, hanyuma, bigatuma impapuro zoroha, zinangiye, zoroshye kandi zirwanya amazi.Nka bonus yongeyeho, SB latex ihenze cyane kuruta iyindi myenda.SB latex ni amahitamo azwi cyane kubifata mu nganda zimwe na zimwe.Kurugero, polymer iboneka nkigifuniko cyinyuma cyimyenda nka tapi.Igifuniko cy'inyuma gitanga amazi kandi kigafata tufe mu mwanya, kigahindura ituze kandi kigabanya gucika ku nkombe.Ibi nibimwe mubikoresha styrene-butadiene latex.Mubyukuri, itanga ibishoboka bitagira akagero, nkuko bigaragazwa ningirakamaro ifite mugukurikirana inzira, gutwikira imyenda, gufatira ibintu byoroshye, hamwe nigitambara kidoda.Imyunyungugu ya Styrene butadiene nayo ni ikintu cyingenzi mubice bisukamo amazi, hamwe na MVTR ya bariyeri ntoya yo gupakira ibiryo.
Igihe cyo kohereza: Kanama-10-2022