Mapepa emakemikari anoreva zvakasiyana-siyana zvemakemikari anoshandiswa mukugadzira mapepa, nguva yakawanda yevabatsiri. Kusanganisira huwandu hwakawanda hwezvinyorwa:
pulping makemikari (zvakadai sezviyamuro zvekubika, deinking agents, nezvimwewo)
1. Zviyamuro zvekubika: zvinoshandiswa kukurumidza kukurumidza uye goho remakemikari pulping yekubika, inowanzoshandiswa kazhinji ine anthraquinone uye quinone derivatives, surfactants uye zvichingodaro.
2. Deinking agent: Inoshandiswa pakuita deinking mukugadzirisa kwemarara mapepa ekudzokorora uye kudzorerazve, izvo zvinogona kuvandudza kuchena kwepulp uye kubvisa kusvibiswa kwakasiyana-siyana senge inki dots, etc. Inonyanya kusanganisira surfactant, kubatanidza agent, bleaching agent, detergent, uye anti-reprecipitant.
mapepa emakemikari (akadai sepulpsaizi agents,pamusoro saizi agent, nezvimwewo):
1. Pulp sizing agent: saizi agent yakawedzerwa kune pulp, kuitira kuti uite basa rekukura, kazhinji rosin saponification chingamu, reinforced rosin gum, dispersed rosin gum (anionic dispersed rosin gum, cationic dispersed rosin gum), AKD neASA nemamwe mareactive synthetic neutral sizing agent uye sosing agent.
2. Surface sizeing agent: inoshandiswa pakuyera pevhu repamusoro kuvandudza kusimba kwepepa, kuderedza hupfu, lint nezvimwe zviitiko, zvikuru zvakagadziridzwa starch, senge oxidized starch, starch acetate, crosslinked starch; yakagadziridzwa cellulose, yakadai secarboxymethyl cellulose; synthetic polymers, senge polyvinyl doro, polyacrylates, styrene maleic anhydride copolymers, wax emulsions uye zvichingodaro; Natural polymer, senge chitosan, gelatin uye zvichingodaro.
mapepa ekugadzira makemikari (akadai seantifoam mumiririri, kupfekavabatsiri)
1. antifoam agent: inoshandiswa mukuputika, kugadzira mapepa, kuvhara uye mamwe maitiro ekusvibisa, mhando huru dzemarasha sleeve kana emulsified parafini, fatty acid esters, low carbon alcohols, silicones, amides nezvimwe zvakadaro.
2. coating ebetsero: lubricant, akadai calcium stearate dispersion; mishonga inochengetedza, yakadai se isothiazolinone, p-chloro-m-toluene; dispersing agents, akadai sodium hexametaphosphate, sodium polyacrylate; viscosity modifiers, senge CMC, alkali soluble uplift ye sodium polyacrylate uye zvichingodaro.
Chinangwa ndechekuvandudza kunaka kwepepa nekugadzira zvakanaka, kuvandudza mamiriro ekushanda, kuderedza mari yekugadzira, kuwedzera mabhenefiti ehupfumi uye kugadzira mapepa matsva.
Nomwe
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E-mail:seven.xue@lansenchem.com.cn
Nguva yekutumira: Feb-20-2025