Kev kho mob yas txhaj tshuaj pwm thiab txhaj tshuaj pwm
Cov lus piav qhia luv luv:
MESTECH ua kev txhaj tshuaj yas txhaj tshuaj pwm thiab txhaj tshuaj ntau lawm. Cov khoom tseem ceeb muaj xws li: Kev txhaj tshuaj, koob txhaj tshuaj tas, txuas, pob tshab yas npog, straw, lub thawv kho mob, ntim, cov cuab yeej phais, nruas clamp, yas koob, lub thawv ntsuas, khoom siv tshuaj ntsuam thiab khoom siv hluav taws xob, thiab qee yam khoom siv kho mob Cov.
MESTECH ua kev txhaj tshuaj yas txhaj tshuaj pwm thiab txhaj tshuaj ntau lawm. Cov khoom tseem ceeb yog:
Kev txhaj tshuaj koob txhaj tshuaj, cov koob txhaj tshuaj pov tseg, txuas txuas, pob tshab yas npog, straw, lub thawv kho mob, ntim, cov khoom siv phais mob, nruas clamp, koob txhaj tshuaj, lub thawv ntsuas, khoom siv tshuaj ntsuam thiab pob ntseg pab, nrog rau qee cov cuab yeej siv kho mob.
Nws muaj ntau cov qauv rau kev txhaj tshuaj pwm. Yuav luag txhua cov khoom sib txawv nyias muaj nyias cov qauv. Tuam Tshoj yog cov chaw tsim khoom ntau tshaj plaws ntawm kev kho mob yas pwm nyob hauv lub ntiaj teb. Qhov yuav tsum tau ntawm kev kho mob pwm yog qhov kub heev. Tus txheej txheem tseem ceeb ntau lawm yog kos duab nyob rau hauv cov khoom lag luam, xws li ntau cov khoom kho mob nrog Ruhr pob qij txha. Nov yog qauv txheem ntau lawm. Yog tias pwm Hoobkas tsis nkag siab cov qauv no, nws yuav muaj teeb meem. Kuj tseem muaj ntau pwm txheej txheem nrog lub teb chaws tus qauv rau cov khoom lag luam loj, uas yog nyob rau hauv feem ntau tsis zoo no feem ntau lawm, muaj ntau kab noj hniav, thiab tsis muaj burr ya ntug.
Cov Khoom Kho Mob Uas Txhaj Tshuaj Pwm
1. Cov raj xa ntshav, lub npog qhov ncauj ntawm lub tshuab pa, lub tshuab nqus pa oxygen, lub raj ntshav ua pa, thiab lwm yam.
2. Khoom cuav pob tw, hauv caug thiab lub xub pwg.
3. Ntim, phwj, pov tseg phwj, txuas, pob tshab yas npog, pipette,
4. Cov khob, cov kaus mom, lub raj mis, ntim khoom zoo nkauj, dai rau, khoom ua si, hloov rau PVC, ntim zaub mov thiab hnab kho mob
5.Surgical cov cuab yeej, nruas ua yeeb yaj kiab, koob txhaj tshuaj yas, cov cuab yeej lub thawv, cov cuab yeej siv tshuaj thiab cov cuab yeej hnov, tshwj xeeb cov tsev nyob ntawm qee cov khoom siv kho mob loj
6. Kev lim ntshav lim ntshav, cov cuab yeej siv phais phais thiab cov pa tso pa tawm, tso cov hlab ntshav tawm
7. Cov roj ntsha tsim ntshav, mob plawv, tsom lub cev, tsom, txhaws
Qhov xav tau ntawm cov khoom lag luam yas
Cov khoom siv hauv cov khoom siv yas tsis tuaj yeem ua rau cov kua lossis tib neeg lub cev, thiab yuav tsis ua rau muaj tshuaj lom thiab puas rau cov nqaij thiab cov plab hnyuv siab raum. Nws yog non-toxic thiab tsis muaj mob rau tib neeg lub cev. Qhov yooj yim xav tau ntawm plastics kev kho mob yog tshuaj lom neeg ruaj khov thiab biosafety vim kev sib cuag nrog cov tshuaj kua los yog tib neeg lub cev. Txhawm rau kom muaj kev nyab xeeb ntawm kev nyab xeeb ntawm cov yas kho mob, cov yas kho mob feem ntau muag hauv khw muaj ntawv pov thawj thiab kuaj los ntawm cov kws kho mob, thiab qhia meej rau cov neeg siv tias hom twg yog qib kev kho mob.
Tam sim no, ntau ntawm cov khoom siv yas kho mob tsis tau lees paub meej txog kev nyab xeeb, tab sis nrog kev hloov kho maj mam ntawm cov kev cai, cov mob no yuav zoo dua. Kev kho mob plastics hauv Tebchaws Meskas feem ntau dhau FDA daim ntawv pov thawj thiab USPVI kev kuaj kab mob, thaum plastics kho mob hauv Suav teb tseem muaj cov cuab yeej siv tshuaj rau kev kho mob. Raws li cov qauv thiab kev ua kom lub zog ntawm cov cuab yeej siv cov khoom, peb xaiv cov hom ntawm cov yas uas tsim nyog thiab hom, thiab txiav txim siab kev siv tshuab ntawm cov khoom siv. Cov khoom no suav nrog kev ua haujlwm, kev siv zog, siv tus nqi, kev sib sau ua ke, kom tsis muaj menyuam thiab lwm yam.
cov ntaub ntawv kho mob yas siv
Yas qhov chaw rau kev kho mob
Muaj qee qhov xav tau ntawm kev tsim khoom ib puag ncig ntawm cov khoom lag luam yas
Cov khoom siv kho mob yas feem ntau yog tsim los ntawm kev txhaj tshuaj molding, uas tsis tas siv cov khoom siv yas, tab sis kuj yog ib puag ncig ntawm kev txhaj tshuaj molding rau cov khoom sib txawv yas.
Rau cog cov tib neeg lub cev lossis ntim thiab cov koob txhaj tshuaj muaj cov tshuaj thiab kua dej, thaj chaw tsim khoom yog cov hmoov av tsis muaj plua plav, thiab cov txheej txheem ntau lawm thiab ntim khoom yog ua haujlwm nruj me ntsis hauv cov khoom pov thawj cov hmoov av. Rau qee cov cuab yeej siv kho mob thiab twj paj nruag, lub plhaub yuav tsum tau so ntau dua, yog li nws tuaj yeem tsim nyob hauv ib puag ncig cov khoom lag luam dav dav.
Kev faib tawm ntawm cov neeg kho mob plastics feem ntau siv
Cov pa roj hmab tuaj yeem siv rau hauv cov yas kho mob nrog tus nqi qis, tsis muaj tshuaj tua kab mob thiab rov siv dua, thiab haum rau kev tsim cov khoom siv kho mob pov tseg; nws yog qhov yooj yim rau txheej txheem, thiab tuaj yeem ua tiav rau hauv ntau cov qauv kev siv los ntawm kev siv nws cov khoom siv yas, thaum hlau thiab iav yog qhov nyuaj rau cov khoom lag luam nrog cov qauv tsim; Nws yog tawv thiab ywj, tsis yooj yim li iav; zoo tshuaj inertia thiab cov ntaub ntawv nyoos. Khoom kev nyab xeeb.
Cov kev zoo no ua rau cov plastics siv dav hauv cov khoom siv kho mob, suav nrog polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polystyrene (PS), polycarbonate (PC), ABS, polyurethane, polyamide, thermoplastic elastomer, polysulfone thiab polyetheretherketone. Kev sib xyaw ua ke tuaj yeem txhim kho cov khoom ntawm plastics thiab ua rau polycarbonate / ABS, polypropylene / elastomer thiab lwm cov resins muaj cov khoom zoo tshaj plaws.
Lub yim qhov kev siv kho mob feem ntau yog polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polystyrene (PS) thiab K cob, acrylonitrile butadiene styrene (ABS), polycarbonate (PC) thiab polytetrafluoroethylene (PTFE). Tom qab cov khoom cua sib xyaw ua ke, lawv yog cov hmoov xoos thiab tsis tuaj yeem siv rau kev tsim khoom ncaj qha. Nov yog yam uas neeg ib txwm hais los ntawm ntoo. Cov rog rho tawm los ntawm kua txiv yog tib yam, tseem hu ua cob, tseem hu ua hmoov. Nov yog ntshiab yas. Nws muaj lub cev tsis zoo, qis thermal stability, yooj yim kev laus thiab decomposition, thiab tsis tiv nrog kev laus kev laus.
Lub yim qhov kev siv kho mob feem ntau yog polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polystyrene (PS) thiab K cob, acrylonitrile butadiene styrene (ABS), polycarbonate (PC) thiab polytetrafluoroethylene (PTFE). Tom qab cov khoom cua sib xyaw ua ke, lawv yog cov hmoov xoos thiab tsis tuaj yeem siv rau kev tsim khoom ncaj qha. Nov yog yam uas neeg ib txwm hais los ntawm ntoo. Cov rog rho tawm los ntawm kua txiv yog tib yam, tseem hu ua cob, tseem hu ua hmoov. Nov yog ntshiab yas. Nws muaj lub cev tsis zoo, qis thermal stability, yooj yim kev laus thiab decomposition, thiab tsis tiv nrog kev laus kev laus.
Txhawm rau txhawm rau txhim kho cov kev tsis zoo no, ua kom tshav kub ua kom sov, cov neeg ua haujlwm tiv thaiv kev laus, cov neeg ua haujlwm tiv thaiv ultraviolet thiab lub hnab yas ntxiv rau ntxiv cov roj pleev hmoov. Tom qab kev hloov kho cov granulation, kev tshaj tawm ntawm cov hmoov hmoov yog nce, thiab ntau hom plastics nrog cov khoom tshwj xeeb thiab qib sib txawv yog tsim. Cov yas uas cov tuam txhab kho mob siv feem ntau tau hloov kho cov khoom siv uas tau siv ncaj qha. Rau cov khoom lag luam nrog cov khoom tshwj xeeb uas tsis muaj nyob rau ntawm kev ua lag luam, cov khoom lag luam tuaj yeem qhia cov kab ntau lawm ua kom tiav cov txheej txheem thiab tsim cov khoom yas los ntawm cov qauv tsim sib txawv. Yog li no, muaj ntau ntau hom ntawm tib hom yas. Raws li cov txheej txheem ua kom tiav, muaj cov qib txhaj tshuaj, qib ntxiv extrusion thiab tshuab zaj duab xis qib; raws li qhov kev ua tau zoo, muaj ntau ntau hom,
Cov yas siv hauv kev tsim cov khoom kho mob yog:
1. Cov tshuaj polyvinyl chloride (PVC)
Raws li kev lag luam kwv yees, kwv yees li 25% ntawm cov khoom kho mob yas yog PVC. PVC yog ib qhov ntawm cov khoom lag luam yas loj tshaj plaws nyob hauv lub ntiaj teb. PVC cob rau dawb los yog lub teeb daj hmoov, ntshiab PVC random qauv, nyuaj thiab nkig, tsis tshua muaj siv. Cov khoom sib txawv sib txawv tuaj yeem ntxiv raws li kev siv sib txawv los ua cov PVC yas seem muaj cov khoom sib txawv ntawm lub cev thiab tshuab. Ntau yam nruj, cov khoom muag muag thiab pob tshab tuaj yeem ua tau los ntawm kev ntxiv cov nqi tsim nyog ntawm cov yas rau PVC cob.
Cov ceg tawv PVC tsis muaj lossis ntim ntau npaum li cas ntawm cov yas. Nws muaj cov khoom tensile zoo, khoov, compression thiab cuam tshuam rau cov khoom, thiab tuaj yeem siv los ua cov khoom tsim kho ib leeg. Mos PVC muaj ntau cov yas ntau. Nws cov softness, elongation thaum tawg thiab txias tsis kam nce, tab sis nws brittleness, hardness thiab tensile lub zog txo. Qhov ntom ntom cov ntshiab PVC yog 1.4g / cm3. Qhov ntom ntawm PVC qhov chaw nrog cov yas thiab cov ntxig yog feem ntau nyob hauv thaj tsam ntawm 1.15-20 g / cm3. Qhov no feem ntau vim nws tus nqi tsawg, kev thov dav thiab ua haujlwm yooj yim. Cov kev siv tshuaj kho mob ntawm cov khoom lag luam PVC suav nrog: cov raj xa dej me me, ua pa npog ntsej muag, pa oxygen, thiab lwm yam.
2. Polyethylene (PE) ：
Polyethylene yas yog qhov khoom tau siab tshaj plaws hauv kev lag luam yas. Lawv yog cov qws dawb, ntxhiab tsw thiab tsis muaj kuab lom lub ntsej muag waxy. Nws yog tsiag ntawv los ntawm tus nqi qis thiab kev ua haujlwm zoo. Nws tuaj yeem siv dav hauv kev lag luam, kev ua liaj ua teb, ntim khoom thiab kev siv lag luam txhua hnub. Nws yog lub luag haujlwm tseem ceeb hauv kev lag luam yas.
PE feem ntau suav nrog qhov ntom ntom polyethylene (LDPE), ntom ntom polyethylene (HDPE) thiab ultra molecular hnyav polyethylene (uhdpe). HDPE muaj tsawg dua cov xov kev sib txuas, ntau dua qhov txheeb ze molecular phaus, lub siab thiab lub cev ntom ntom, siab dua lub zog thiab lub zog, tsis yooj yim opacity thiab siab dua taw tes. Nws feem ntau yog siv rau kev txhaj tshuaj txhaj pwm. LDPE muaj ntau cov khoom sib txuas, yog li nws muaj qhov qis me me ntawm cov roj, qhov muaj peev xwm qis thiab muaj qhov ntom ntom nti, thiab muaj qhov yob yooj, cuam tshuam tsis taus thiab pob tshab. Nws feem ntau yog siv rau kev tshuab zaj duab xis thiab yog ib qho kev siv dav rau PVC. HDPE thiab LDPE kuj tseem tuaj yeem sib xyaw raws li kev ua haujlwm ntawm kev ua haujlwm. Uhdpe muaj qhov zoo ntawm lub zog, tsis tshua muaj kev sib txhuam, kev ntxhov siab cracking tsis kam thiab lub zog zoo nqus cov yam ntxwv, ua nws cov khoom zoo rau cov khoom siv dag dag,
3. Cov Polypropylene (PP)
Polypropylene yog cov xim tsis muaj kob, tsis qab thiab tsis qab. Nws zoo li polyethylene, tab sis nws yog ntau pob tshab thiab ntais dua li polyethylene. PP yog ib hom thermoplastic nrog cov yam ntxwv zoo. Nws muaj qhov zoo ntawm kev sib txawv me me (0.9g / cm3), tsis muaj tshuaj lom, tsis yooj yim rau txheej txheem, cuam tshuam tsis kam thiab tiv taus yooj. Nws muaj ntau yam ntawm kev siv hauv lub neej txhua hnub, suav nrog cov hnab ntim cov yeeb yaj kiab, cov yeeb yaj kiab, lub thawv hloov khoom siv, cov ntaub thaiv cov hlau, cov khoom ua si, tsheb bumpers, fibers, tshuab ntxhua khaub ncaws thiab lwm yam
Kev Kho Mob PP muaj lub peev xwm loj, zoo thaiv thiab hluav taws xob tsis kam, uas ua rau nws siv dav hauv cov khoom siv kho mob thiab kev lag luam ntim. Cov khoom siv tsis yog PVC nrog PP ua lub cev tseem ceeb yog kev hloov pauv ntawm cov khoom siv PVC uas yog siv tam sim no.
4. Cov tshuaj pleev polystyrene (PS) thiab K cob
PS yog qhov thib peb loj tshaj plaws yas tom qab PVC thiab PE. Nws feem ntau yog ua tiav thiab thov ua ib qho ntawm cov yas ib. Nws cov yam ntxwv tseem ceeb yog lub teeb yuag, pob tshab, yooj yim zas thiab zoo molding thiab kev ua cov khoom. Yog li ntawd, PS siv dav hauv cov khoom siv yas niaj hnub, hluav taws xob, siv kho qhov muag thiab cov khoom siv kev kawm. Vim tias nws nyuaj thiab nkig kev ntxhib los mos thiab coefficient siab ntawm thermal nthuav, nws daim ntawv thov hauv engineering tsuas yog txwv.
Nyob rau xyoo lawm tsis ntev los no, hloov kho polystyrene thiab styrene raws li copolymer tau tsim, uas rau qee yam kov yeej qhov shortcomings ntawm polystyrene. Poov tshuaj cob yog ib tug ntawm lawv. Cov kev siv tseem ceeb hauv lub neej txhua hnub suav nrog khob, kaus mom, fwj, ntim ntim khoom zoo nkauj, dai, cov khoom ua si, hloov rau PVC, ntim zaub mov thiab ntim ntim tshuaj.
5. Acrylonitrile butadiene styrene tshuab luam ntawv (ABS)
ABS muaj qee yam kev ua kom nruj, lub cev tawv, cuam tshuam kev cuam tshuam, tshuaj lom neeg kuj, tiv thaiv hluav taws xob thiab tshuaj tua kab mob ethylene oxide. ABS yog siv rau hauv kev kho mob ua cov cuab yeej phais mob, ua yeeb yaj kiab, koob txhaj tshuaj yas, cuab yeej lub thawv, khoom siv kuaj mob thiab pob ntseg sib pab, tshwj xeeb rau qee cov cuab yeej siv kho mob loj. Hauv thaj chaw kho mob, ABS feem ntau ua tiav los ntawm kev txhaj tshuaj molding, thiab yuav luag tsis muaj ib daim ntawv thov ntawm cov tshuab raj thiab cov yeeb nkab extrusion.
6. Cov Polycarbonate (PC)
Cov yam ntxwv ntawm lub PC yog cov tawv, lub zog, txhav thiab tiv thaiv tshav kub ua kom tsis haum, uas ua rau PC xaiv thawj rau hemodialysis lim, phais twj siv thiab cov pa oxygen (qhov ntsuas tuaj yeem tshem cov pa roj carbon dioxide los ntawm cov ntshav thiab nce oxygen thaum kev phais mob) Cov. Cov kev siv ntawm PC hauv tshuaj muaj xws li rab koob txhaj tshuaj tsawg dua, cov twj ntsuas kom zoo nkauj, ntshav centrifuge thiab piston. Vim tias nws lub siab pom meej, cov tsom iav myopia uas tau ua ntawm PC.
7. Cov Khoom Siv Polytetrafluoroethylene (PTFE)
PTFE cob yog hmoov dawb nrog lub waxy, du thiab tsis lo rau cov tsos. PTFE lub npe hu ua "huab tais ntawm plastics" vim tias nws cov khoom zoo, uas tuaj yeem piv nrog lwm cov thermoplastic plastics. Nws muaj qis tshaj kev sib txhuam coefficient ntawm plastics thiab muaj biocompatibility zoo. Nws tuaj yeem siv los ua cov roj ntsha tsim thiab lwm cov khoom siv ncaj qha rau hauv tib neeg lub cev. Nws yog ib qho nyuaj rau nrog. Cov hmoov no feem ntau yog txias txias nias rau hauv qhov chaw seem thiab tom qab ntawd sintered lossis extruded. Nws tsis pom zoo tias tus kws tsim cov twj paj nruag tsim cov khoom no. Yog tias cov khoom me me, nws raug nquahu kom yuav nws ncaj qha.
8. Cov Polyamide (PA)
Lub Hom Phiaj: hose, txuas, adapter, piston.
