Iseti emhlophe yefashoni yokupakisha ibhokisi yesigarethi (iseti nganye yeebhokisi ezili-10, ibhokisi nganye yeepakethi ezisi-7)

Ikhadibhodi emhlophe luhlobo lwephepha elishinyeneyo elinokuqina kunye nobunzima obukhulu. Ngenxa yokuba umphezulu awunemibala, ngokuqhelekileyo kuthiwa yikhadibhodi emhlophe. Ikhadibhodi emhlophe yaseChina yahlulwe ngamabakala amathathu A, B, C. Ubumhlophe bebakala A abukho ngaphantsi kwama-92%; Ibakala B alikho ngaphantsi kwama-87%; Ibakala C alikho ngaphantsi kwama-82%.
Impahla ekrwada yekhadibhodi emhlophe yi-100% yekhemikhali ebleached
Ikhadibhodi emhlophe yeepakethi ze-cigarette idinga ukuqina okuphezulu, ukuxhathisa ukuphuka, ukugudisa kunye nomhlophe. Iimfuno zomphezulu wephepha zisicaba, azinamigca, amabala, izibonda kunye namaqhuma, i-warping kunye nokuguqulwa kwemveliso. Njengoko ipakethe yecuba enekhadibhodi emhlophe ikakhulu isebenzisa umatshini wokushicilela we-high-speed gravure ukuprinta, ngoko ke iimfuno zesalathisi soxinzelelo lwekhadibhodi emhlophe ziphezulu. Ukuxhathisa koxinzelelo kukwakwaziwa njengamandla okuqina okanye amandla okuqina, nto leyo ethetha uxinezeleko oluphezulu olunokuthi iphepha lixhathise xa liphuka, libonakaliswa nge-kN/m. Umatshini wokushicilela we-high-speed gravure ukutsala imiqulu yephepha, ushicilelo olukhawulezayo lokumelana noxinzelelo olukhulu, ukuba isenzeko sokuqhekeka kwephepha rhoqo, sibophelelekile ukuba sibangele ukuncipha rhoqo, ukunciphisa ukusebenza kakuhle, kodwa kwandise ilahleko yephepha.
Zimbini iindidi zekhadibhodi emhlophe yeepakethi zecuba, enye yiFBB (yellow core card emhlophe), enye yi-SBS (ikhadi elimhlophe elingundoqo), iipakethi zecuba ezisebenzisa i-FBB kunye ne-SBS zinekhadibhodi emhlophe enecala elinye, i-FBB inemigangatho emithathu. of pulp, ubuso kunye umaleko ezantsi usebenzisa sulfate iinkuni pulp, umaleko engundoqo usebenzisa imichiza mechanical ukucola iinkuni. Icala langaphambili (icala lokushicilela) ngumaleko wokugquma, osetyenziswa kunye ne-squeegees ezimbini okanye ezintathu, ngelixa icala elingasemva lingenalo umaleko wokugquma. Ekubeni umaleko ophakathi wenziwa ngeekhemikhali kunye ne-mechanical milled wood pulp, i-pulp inesivuno esiphezulu kwimithi (85% -90%), kwaye iindleko zokuvelisa ziphantsi, ngoko ke ixabiso lekhadibhodi ye-FBB liphantsi.
I-pulp ye-FBB ineentsinga ezinde kakhulu kunye neentsinga ezincinci ezincinci kunye ne-fiber bundles, ngoko ubukhulu bephepha eligqityiweyo bungcono, kwaye i-gram efanayo ye-FBB inkulu kakhulu kune-SBS, ehlala iqulunqwe ngamanqwanqwa amathathu e-pulp, umaleko ophezulu. , umaleko ongundoqo kunye nomaleko ongezantsi zonke zisebenzisa i-pulp yenkuni ye-sulfate enebleached. Icala langaphambili (icala lokushicilela) ngumaleko wokugquma, osetyenziswa kabini okanye kathathu kunye ne-squeegee efanayo ne-FBB, ngelixa icala elingasemva alikho umaleko wokugquma. Kuba i-core layer yenziwe nge-bleached sulfate pulp, ubumhlophe buphezulu, ngenxa yoko kuthiwa yikhadi elimhlophe elingundoqo elimhlophe. Ngelo xesha, iifiber zepulp zincinci kwaye iphepha liqina, ngoko i-SBS incinci kakhulu kune-FBB yobunzima begram. Umzekelo, ubukhulu be-230g/m2 FBB ye-Hongta Renheng yi-320μm, ngelixa ubukhulu be-230g/m2 SBS yi-295μm.