Ice packs, dav siv nyob rau hauv daim ntawv thov kev kho mob, khaws cia zaub mov, txias saw tsheb thauj mus los, thiab txhua hnub txias compresses, cia siab rau cov theem hloov cov yam ntxwv ntawm lawv cov khoom ntim rau hauv lawv lub luag haujlwm tseem ceeb. Kev nkag siab txog cov khoom tseem ceeb ntawm cov pob khov nab kuab thiab lawv cov txheej txheem ntawm kev ua haujlwm pab xaiv cov khoom tsim nyog rau cov xwm txheej sib txawv.
Kev ntim ntawm cov pob khov nab kuab feem ntau muaj cov khoom txias cia thiab cov khoom ntim sab nraud. Tus neeg saib xyuas qhov txias txias yog qhov tseem ceeb rau kev ua tiav cov txiaj ntsig txias, thiab ntau hom muaj xws li cov tshuaj ntsev inorganic, cov ntaub ntawv polymeric, thiab bio- cov ntaub ntawv ntim dej khov. Inorganic ntsev kua ice packs siv cov tebchaw xws li ammonium nitrate, sodium chloride, los yog sodium acetate yaj nyob rau hauv dej los tsim ib tug supersaturated tov, tswj kub los ntawm exothermic los yog endothermic tshuaj. Cov pob khov nab kuab no tsis tshua muaj nqi, tab sis muaj kev txwv qhov kub thiab txias thiab tuaj yeem tawg vim siv lead ua nthuav dav, yuav tsum tau siv ceev faj.
Polymeric khoom ice packs tau dhau los ua neeg nyiam nyob rau xyoo tas los no. Lawv cov ntsiab lus tseem ceeb yog dej-absorbing resins xws li sodium polyacrylate lossis polyvinyl cawv. Cov ntaub ntawv no tso tawm lub zog txias nyob rau hauv qis - qhov kub thiab txias ib puag ncig los ntawm lub cev adsorbing dej ntau, nthuav tawm cov yam ntxwv xws li qhov kub thiab txias, rov siv tau dua, thiab kev nyab xeeb siab. Qee cov khoom siv siab- kawg ntxiv cov thickeners xws li carboxymethyl cellulose los ua kom zoo dua gel ntws thiab ua kom lub sijhawm ntev ntawm qhov kub thiab txias. Bio- cov pob khov nab kuab siv cov khoom siv microbial fermentation los yog cov nroj tsuag ntuj rho tawm ua qeeb - tso tawm qhov nruab nrab, tsim nyog rau cov xwm txheej kho mob xws li tshuaj tiv thaiv thauj lossis qhov txhab txias.
Cov khoom ntim sab nrauv feem ntau yog ua los ntawm polyethylene lossis TPU cov yeeb yaj kiab sib xyaw, uas yuav tsum tau qis -kub tsis kam, puncture resistance, thiab airtightness. Qee qhov tshwj xeeb - lub hom phiaj ntim dej khov siv cov khoom siv biodegradable kom tau raws li kev tiv thaiv ib puag ncig. Nws yog ib qho tsim nyog sau cia tias cov pob khov nab kuab uas muaj cov khoom sib txawv muaj qhov sib txawv ntawm qhov kub thiab txias; Piv txwv li, inorganic ntsev ice packs tuaj yeem ncav cuag li qis li -18 degree, thaum bio-ice packs feem ntau tswj qhov ntau ntawm 0-5℃.
Nrog rau kev loj hlob ntawm cov kab mob khaub thuas logistics thiab kev xav tau kev kho mob, cov khoom siv khov nab kuab sib xyaw ua ke txuas ntxiv ua kom zoo. Cov lus qhia txog kev txhim kho yav tom ntej suav nrog kev txhim kho qhov tseeb ntawm theem hloov pauv kub, txhim kho cov khoom zoo ib puag ncig, thiab txo cov nqi siv. Thaum xaiv cov pob khov nab kuab, cov neeg siv yuav tsum xav txog qhov ntsuas kub thiab qhov xav tau kev nyab xeeb ntawm cov ntawv thov tshwj xeeb scenario thiab ntsuas qhov ntsuas cov yam ntxwv kom ntseeg tau tias muaj txiaj ntsig.
