CMC ikoresha mu nganda zimpapuro

Impapuro z'impapuro CMCishingiye kuri selile nkibikoresho byingenzi byingenzi, nyuma ya alkalisation no kuvura ultra-nziza, hanyuma ikoresheje uburyo bwinshi bwimiti nka crosslinking, etherification na acide ikozwe muri anion polymer ifite imiterere ya ether. Igicuruzwa cyacyo cyarangiye ni ifu yera cyangwa yoroheje ifu yumuhondo cyangwa ibintu bya granular. Ntabwo ari uburozi, uburyohe, butagira impumuro nziza, hamwe no gufata amazi meza, hamwe no kunanura neza.

Uruhare runini rwa CMCSodium carboxymethyl selulose mu nganda:

CMC ikoreshwa mugukora impapuro zometseho. Carboxymethyl selulose irashobora kongera agaciro k'ubushuhe bw'igifuniko kugira ngo hirindwe kwimuka kw'ibiti byasheshwe mu mazi ku mpapuro, kugira ngo bizamure urwego kandi bitume ubwiza bw'igitwikiro.

Kuberako CMC ari nziza cyane, bityo imbaraga zifata ni nziza cyane, carboxymethyl selulose irashobora gusimbuza ibinyamisogwe 3-4 byahinduwe cyangwa ibikomoka kuri krahisi 2-3, icyarimwe birashobora kugabanya urugero rwa latex, bifasha kunoza igifuniko gikubiyemo ibintu bikomeye .

Mugihe cyo gutwikira birashobora gukina amavuta yo gusiga, gushimangira itandukaniro rya firime, igipimo cyo gukora firime ni cyiza cyane, gishobora gutuma firime ihoraho ikomeza kugira urumuri rwiza, ikirinda ikibazo cya "orange peel". Imiterere yimiti ya sodium carboxymethyl selulose CMC yavuzeko pseudoplastique, uyu mutungo wa carboxymethyl selulose urashobora gutuma igifuniko gifite "pseudoplastique", bikavamo igifuniko cyoroshye cyane cyogosha cyane, cyane cyane kibereye ibintu byinshi cyane cyangwa gutwikira umuvuduko mwinshi.

Kubera ko igisubizo cyamazi ya CMC gifite imbaraga zo kurwanya hydrolysis ya enzymatique na inert metabolism, igifuniko gifite ituze ryiza, kigaragarira mukubungabunga ubutinganyi bwa coating, kugirango igifuniko kitoroshye kwangirika mugihe cyo kubika. Icya kabiri, CMC ikoreshwa nkubunini buringaniye bwimpapuro. Ubunini buringaniye bwimpapuro burashobora kongera ubukana, ubworoherane, no kongera ubuso bwabwo kandi bworoshye.

CMCIrashobora kugenzura neza kugunama no kubona icapiro ryiza. Ongeraho igipimo runaka cya CMC mubunini buringaniye birashobora gutuma ubuso bugera kashe nziza, kandi isura yo gucapa irashobora kunonosora neza amabara yo gucapa no kubika wino. Igisubizo cyamazi ya CMC gifite firime nziza cyane, kubwibyo CMC muburyo bwo gupima ubunini bifasha mugukora firime ya agent ingana hejuru yimpapuro, kugirango tunonosore ingaruka zingana.

Ariko, kubera igiciro kiri hejuru ya CMC, mubusanzwe ikoreshwa gusa kumpapuro zifite ibisabwa byihariye (impapuro zerekana inoti, impapuro zimpapuro, impapuro zishushanya, impapuro zo gusohora impapuro zo hejuru hamwe nimpapuro zo mu rwego rwo hejuru).

CMC ikoreshwa mumpera yimashini yimpapuro kugirango yongereho, mubihe byashize, sodium carboxymethyl selulose CMC munganda zikora impapuro zikoreshwa cyane mugutwikira no gupima ubuso, pulp hamwe nudushya twa siyanse nubuhanga, mumyaka yashize amahanga afite byinshi by'abakora impapuro babinyujije mumpera zitose CMC yongeweho kugirango irusheho kunoza ibicuruzwa kandi ibyagezweho nabyo ni ngombwa cyane.

Ongeraho CMC kumpera itose itanga inyungu nyinshi zingenzi:

1.Kugirango utezimbere uburinganire bwimpapuro CMC ni nziza cyane ikwirakwiza, gushonga bihinduka colloidal reagent CMC yongewe mukuvura ibishishwa nyuma yo guhuzwa byoroshye na fibre fibre no kuzuza uduce duto duto, kubera imikorere ya electronegative CMC ishonga mumazi, izikora ubwayo usanzwe ufite fibre fibre hamwe nuduce twuzuza ibintu bibi bya electronegativite yiyongera, Ibice bifite charge imwe bizasubiranamo, kandi fibre nuwuzuza impapuro zahagaritswe bizagabanywa cyane, bikaba byiza cyane muburyo bwo gukora inganda, hanyuma ukazamura uburinganire bwimpapuro.

2. Kongera imbaraga z'umubiri wa pulp kugirango utezimbere uburinganire bwa pulp bifasha kongera ubwinshi bwumubiri wimpyisi (nka: ubucucike bwigaragara, amarira, uburebure bwavunitse, kumeneka kumeneka no kugabanuka), CMC muguhindura impapuro zingana kuri icyarimwe nanone byongera imbaraga zumubiri za pulp. Imiterere ya CMC irimo carboxymethyl irashobora kunywa hydroxyl kuri fibre iganisha ku reaction zifatika, igahuza imbaraga zihuza fibre, binyuze mu musaruro wumubiri wibikorwa byo gukora inyuma yimashini yimpapuro, imbaraga zubusabane hagati ya fibre ziziyongera cyane, ingaruka za umubiri nyamukuru kurupapuro nimpapuro zose ziyongera mubukomere bwumubiri.

Impapuro Impapuro CMC ikoresha:

Mu nganda zimpapuro, CMC ikoreshwa mugikorwa cya pulping, gishobora kuzamura igipimo cyo kugumana no kongera imbaraga zitose. Ikoreshwa mubunini bwubuso, nkibintu byoroshye, kunoza imiterere yimbere, kugabanya ivumbi ryicapiro, kunoza ubwiza bwo gucapa; Ikoreshwa mu gutwikira impapuro, ifasha gutatanya no gutembera kwa pigment, kuzamura impapuro neza, koroshya, imiterere ya optique no guhuza imiterere. Mu nganda zimpapuro nkigiciro gifatika hamwe ninyongeramusaruro zinyuranye, cyane cyane kubera firime ya elegitoronike ya polymer ikora kandi ikarwanya amavuta.

●Ikoreshwa mugupima impapuro, kugirango impapuro zigire ubucucike bwinshi, irwanya neza wino nziza, gukusanya ibishashara byinshi kandi byoroshye.

●Irashobora kunoza impapuro imbere fibre viscosity leta, kugirango utezimbere impapuro imbaraga hamwe no guhangana.

●Muburyo bwo gusiga amabara n'impapuro, CMC ifasha kugenzura imigendekere ya paste yamabara no kwinjiza neza.

Mubisanzwe, dosiye isabwa ni 0.3-1.5%.