Ntawm ntau hom kev tiv thaiv zaj duab xis, PE tus kheej - nplaum tiv thaiv zaj duab xis sawv tawm rau nws cov yam ntxwv tshwj xeeb. Ua los ntawm ib qho - txheej txheem kauj ruam - feem ntau siv ntau- txheej co- extrusion ( tshuab los yog cam khwb cia zaj duab xis)- cov yeeb yaj kiab no feem ntau muaj peb - lossis tsib - txheej txheej. Muab piv rau cov nplaum ib txwm siv-cov khoom siv coated, PE tus kheej- nplaum zaj duab xis muab kev huv huv, tsawg heev "ntses-qhov muag" (gel particles), thiab zoo heev nto flatness. Lawv tsis muaj residue los yog tsiv teb tsaws tshuaj thaum tshem tawm, kom ntseeg tau tias qhov chaw tiv thaiv tsis muaj kev puas tsuaj. Qhov tseem ceeb, tus kheej- txheej nplaum yog dawb ntawm acrylic resins; yog li ntawd, nws tsis tso cov tshuaj acidic uas tuaj yeem ua rau lub ntsej muag, ua rau nws muaj kev xaiv tshwj xeeb rau kev tiv thaiv cov khoom siv hluav taws xob, xws li cov ntxaij vab tshaus.
PE self-adhesive zaj duab xis yog ib txoj kev tiv thaiv zaj duab xis raws li high-siab low-density polyethylene (LDPE), tsim los ntawm cov qauv tsim thiab kev ua haujlwm tshwj xeeb. Thaum lub sij hawm tsim khoom, cov khoom siv tshwj xeeb tau muab sib xyaw ua kom tau raws li qhov yuav tsum tau ua ntawm hardness, nto roughness, thiab plam zog (yooj yim ntawm unwinding). Tus kheej- txheej nplaum siv cov khoom siv tshwj xeeb POE (polyolefin elastomer) thiab kev hloov kho thev naus laus zis los xyuas kom meej qhov adhesion zoo. Qhov POE no zoo kawg nkaus nrog cov khoom siv hauv paus; tom qab yaj-plasticization nyob rau hauv lub extrusion system, zaj duab xis yog meticulously crafted siv ib tug peb- los yog tsib-txheej co-extrusion casting los yog cua tshuab txheej txheem. Qhov tshwm sim yog ib zaj duab xis ntim cov ntaub ntawv tshiab uas tshem tawm cov teeb meem kev hloov pauv ntawm cov nplaum, ua kom cov khoom ruaj khov thiab kev tiv thaiv nto pristine.
High-zoo PE tus kheej- cov nplaum tiv thaiv zaj duab xis yog cov yam ntxwv ntawm cov gel me me, zoo ductility, dej thiab plua plav tsis kam, siab transparency, thiab zoo heev kub stability. Tsis tas li ntawd, lawv tsis yog - lom thiab tsis muaj ntxhiab, ua raws li cov qauv kev nyab xeeb thiab ib puag ncig. Raws li qib adhesion, cov khoom tau muab faib ua ntau qib: ultra-tack qis (0–1g), qis tack (1–10g), nruab nrab tack (10–100g), thiab siab tack (100–900g). High-kawg PE tiv thaiv zaj duab xis tau ua haujlwm tshwj xeeb los tshem tawm cov gel impurities thiab xyuas kom muaj kev huv huv, ib qho kev xav tau uas tsim nyog rau tag nrho cov txheej txheem tsim khoom siv nyob rau hauv ib puag ncig huv. Tsis tas li ntawd, siab -kawg PE tus kheej- cov nplaum tiv thaiv zaj duab xis ua rau cov kev cai nruj heev txog kev tswj xyuas cov txheej tuab tuab; tam sim no, tsuas yog ob peb lub tuam txhab ua yeeb yaj kiab muaj peev xwm ua tau raws li cov qauv tsim khoom.
