Kev txawj ntse ua kom kub-tswj tau cov fibers thiab textiles yog cov khoom lag luam siab tsim tau tsim sai heev thaum xyoo 1990 thiab tag nrho ntawm cov neeg tseem ceeb. Nws tsis tuaj yeem tsuas yog txhim kho kev yooj yim ntawm cov khaub ncaws, tab sis kuj tseem muaj tus nqi ntxiv thiab tuaj yeem ua tiav cov txiaj ntsig siab. Nrog kev qhia ntxiv txog ntawm qib siab thiab tshiab thev naus laus zis rau hauv daim teb no, cov neeg' s tseev kom muaj kev hnav khaub ncaws ua haujlwm siab thiab ua haujlwm tau nce. Kev tsim kho ntawm hom tshiab ntawm theem-hloov cov ntse kub-tswj cov fiber ntau cov npuag muaj txoj kev txhim kho zoo thiab cov ntawv thov dav dav.
Cov keeb kwm kev loj hlob ntawm theem hloov ntse ntse ntsuas kev tswj hwm fiber
Phase hloov fiber ntau yog ib hom kev ua kom muaj cua sov thiab kev tswj qhov kub thiab txias ua haujlwm fiber ntau tsim los ntawm kev siv cov yam ntxwv ntawm kev tso tawm lossis nqus cua sov thiab ua kom qhov kub tsis txias nyob rau theem hloov ntawm cov khoom.
Kev tshawb fawb ntawm theem hloov ntse ntse kub-tswj tau fiber ntau muaj nyob hauv Tebchaws Asmeskas xyoo 1980s. Thawj Outlast acrylic fiber-based ntse kub-tswj tau fiber ntau tsim los ntawm National Aeronautics thiab Space Administration tshawb nrhiav qhov project tau los ntawm kev ntxiv microcapsules coated nrog theem hloov cov khoom siv paraffin hydrocarbon rau cov acrylic fiber spinning tov. Cov tsho tau tsim los ntawm cov phiaj xwm hli rau astronaut khaub ncaws thiab tiv thaiv cov twj paj nruag hauv qhov chaw sim tau ua tiav tau tiav xyoo 1988 thiab tau siv rau kev siv ua lag luam rau thawj zaug xyoo 1994. Xyoo 1997, Asmeskas Chaw Ua Haujlwm tsim lub rooj vag, ib lub tuam txhab tshwj xeeb hauv kev tsim kho thiab kev tshawb fawb ntawm cov ntse kub-tswj tau cov fibers. Lub pob zeb tawm ntawm Outlast acrylic fiber li tau sau npe ua outlast, uas tau tsim rau cov khaub ncaws dav thiab raug muag hauv Asmeskas thiab European cov lag luam. Txij thaum ntawd los, Lub Tuam Txhab Kelheim Fibre Tuam Txhab thiab Tuam Txhab Lag Luam Outlast tau sib koom tes tsim cov kab hlau (Outlast viscose fiber). Qhov tseeb, nws tau los ntawm kev ntxiv theem hloov cov khoom microcapsules mus rau kev daws teeb meem ntawm viscose fiber. Nws cov nyhuv rwb thaiv tsev kub txog li 42.5% thiab tau raug patented. Cov.
Tam sim no, cov khoom siv hloov chaw tau raug siv los ua kev txhim kho thiab daim ntawv thov ntawm theem hloov ntse tswj qhov kub thiab txias. Tebchaws Asmeskas thiab Switzerland muaj ntau dua cov neeg txawv tebchaws. Cov khoom kub tswj hluav taws xob lawv tsim yog feem ntau microcapsule spinning tshuab; Cov Tebchaws Europe thiab Nyij Pooj kuj muaj kev tshawb fawb hauv thaj chaw no. Cov. Lub teb chaws Yelemees yog thawj zaug ua tiav kev txhim kho sodium sulfate kub cia microcapsule cov khoom siv tiav; tom qab ntawd, nws tsim cov ntaub ntim cov roj av hauv cov kuab tshuaj thiab cov roj inert hauv cov hollow fibers. Nyiv' s tus sawv cev thev naus laus zis yog cov microcapsule slurry txheej tsim los ntawm Daiwa Tshuaj Kev Lag Luam.
Hom kev ntsuas kub ntawm cov ntaub fiber ntau
(1) Unidirectional kub-tswj fiber ntau
Hom fiber ntau no muaj cov kev tswj qhov kub thiab txias ib qho kev tswj, uas tuaj yeem ua kom nce lossis txo qhov kub. Ib qho yog cua sov fiber ntau EKS thiab Softwarm tsim los ntawm Nyiv Toyobo Co., Ltd .; lwm qhov yog flax fiber thiab jade fiber nrog ua kom txias. Vim tias lawv tsuas muaj qhov ntsuas kub ib-txoj kev tswj kev ua haujlwm, cov fibers no muaj qhov tsis pom tseeb. Yog li no, thaum cov kev coj ntawm ib puag ncig kev hloov pauv kub yog txawv rau qhov kev taw qhia ntawm qhov ntsuas kub hloov kho, nws yuav tsis ua haujlwm zoo, thiab txawm tias ua rau muaj kev cuam tshuam tsis zoo.
(2) Ob-txoj kev kub tswj cov fiber ntau
Cov ntaub ntawv hloov chaw (Lub sijhawm hloov cov ntaub ntawv, xa mus rau PCMs) uas tuaj yeem kho cov huab cua txias thiab kub, muaj ob-txoj kev ntsuas kub hloov kho thiab ua haujlwm tau yooj yim. Los ntawm kev tsim khoom thiab ua tiav, PCM tau ntxiv rau cov ntawv fiber ntau hauv qee hom kev thev naus laus zis. Thaum qhov kev hloov theem tau mus txog Qhov kub thiab txias, nws tuaj yeem tiv thaiv kom tsis txhob muaj qhov kub thiab txias ntawm cov khaub ncaws los ntawm cov cua kub tsis ua haujlwm. Lub zog ntawm cov theem hloov tau khaws cia rau hauv cov khoom hloov hloov tau nce mus ua kom nws lub peev xwm kub; thaum lub ntsuas kub ambient poob, nws yuav ntse heev Nws tso nws lub zog khaws cia thiab tuaj yeem siv rov qab rau qhov kub thiab txias ib puag ncig, yog li nws hu ua" Smart thermostat fiber transformation (STFT)" ;.
STFT' s theem hloov mechanism thiab txoj cai kev tswj hwm kub
STFT tseem hu ua cov cua txias fiber. Kev hloov pauv theem ntawm STFT yog hais txog qhov tseeb tias nyob rau qee qhov kev ntsuas, thaum ntsuas kub ntawm qee yam khoom tsis hloov pauv thiab lub xeev cov kev hloov pauv, qhov kub ntawm latent ntawm theem hloov pauv loj dua li qhov paub tab ntawm qhov kub hloov theem. Phase hloov ntse tshaj qhov ntsuas kub hloov kho fiber ntau yog ib hom tshiab ntawm fiber ntau uas siv cov khoom siv theem hloov mus tso tawm lossis nqus cov cua sov ua kom kub zoo dua qub. Kev hloov theem yog pom qhov tseem ceeb raws li kev hloov ntawm cov kua thiab cov khoom, lossis kev hloov ntawm cov kua siv lead ua-siv lead ua, kua-kua thiab cov qauv molecular sib sau ua ntu theem hauv cov khoom, thiab lub zog thermal tswj qhov kub.
(1) Lub sijhawm hloov pauv ntawm STFT
Qhov sib txawv ntawm qib-hloov ntse ntse kub-tswj fiber ntau cov npuag thiab cov tshuaj fiber ntau cov lus dag nyob rau qhov sib txawv kev tiv thaiv cua sov. Khaub ncaws tsoos thermal rwb thaiv tsev feem ntau siv cov txheej txheem rwb thaiv tsev kom tsis txhob muaj qhov kub ntau dhau ntawm daim tawv nqaij txo, thaum lub tshuab hluav taws xob thermal ntawm cov theem hloov pauv tsis yooj yim rau kev deformation, noo noo thiab huab cua siab, thiab tsis hnov zoo dhau los hnyav. Nws tuaj yeem muab tib neeg lub cev nrog lub microclimate xis. ib puag ncig. Qhov laj thawj yog tias PCMs muab cov kev cai thermal, tsis yog thermal rwb thaiv tsev. Lub hom phiaj ntawm cov theem hloov pauv hloov thiab qhov ntsuas qhov ntsuas kub tau yog nyob rau hauv ib puag ncig thermal, thaum lub ntsuas kub ntawm lub theem hloov nruab nrab tau mus txog, qhov siv lead ua ntawm cov theem hloov nruab nrab, thiab nws cov saw molecular dhau lub zog intermolecular, lub ntsuas. qhov kev ncua deb nce, thiab cov siv lead ua Melting, cov fiber ntau nqus cov cua sov; thaum lub fiber nkag mus rau qhov chaw txias dhau los ntawm qhov chaw sov, thaum qhov kub qis dua qhov chaw crystallization ntawm cov theem hloov nruab nrab, cov roj molecular nyob rau theem hloov nruab nrab yog tsis tu ncua los tsim cov muaju, thiab cov fiber tso tawm kub; theem hloov hloov chaw lub zog cia Txoj hauv kev no, lub fiber ua tiav lub hom phiaj kev ntsuas kub los ntawm kev nqus thiab tso tawm cov cua sov.
(2) Lub hauv paus ntsiab lus ntawm kev tswj hwm kub ntawm STFT
STFT los ntawm PCMs theem hloov kho tshuab hauv cov fiber ntau daim. Cov txheej txheem ntawm cov nqus cua sov thiab tso tawm cov cua sov yog tsis siv neeg, thim rov qab thiab tsis muaj qhov txwv. Qhov zoo ntawm nws cov kev tswj qhov kub thiab txias yog: kev tswj xyuas qhov ntsuas kub kom sib npaug ntawm qhov ntsuas kub thiab qhov xav tau kub kom haum rau lub sijhawm xis nyob tag nrho; siab kub ua hauj, muab cov nyhuv txias; nqus cov cua sov tshaj lub cev, thiab tso nws thaum lub cev kub cev txo qis, tiv thaiv lub cev lub cev txias dhau.
Yog li, cov ntawv fiber ntau muaj PCMs tswj qhov tsis sib haum ntawm lub cev kub nruab nrab ntawm tib neeg lub cev thiab ib puag ncig sab nraud tsis hais seb sab nraud ib puag ncig kub nce los yog tsawg dua, yog li tsim ib qho" microclimate ib puag ncig" rau tib neeg lub cev tsis thooj li txias thiab tsis kub.
(3) Kev ntsuas tus qauv ntawm STFT cov cai tswj kev kub muaj peev xwm
Kev hloov qhov kub thiab txias muaj nuj nqi ntawm cov ntse tswj qhov kub thiab txias fiber ntau yog qhia los ntawm" Hloov Kho Kom Nyob Taug Ke &; (Adaptive Comfort Rating) muaj nqis, uas yog siv los ntsuas cov khoom' s muaj peev xwm nqus, khaws thiab tso tawm lub zog thaum tsim nyog. Qhov siab dua ACR qib qib ntawm cov khoom lag luam, nws yooj yim dua nws. ACR tus nqi ntawm cov tsoos xov xwm yog ze rau xoom, thiab nws yog qhov nyuaj rau lawv khaws cov cua sov.
Kev xaiv ntsuas kub hloov thiab hom kev ua tau zoo ntawm PCMs cov ntaub ntawv
Kev hloov chaw nyob yog hais txog qhov tshwm sim uas cov theem ntawm qee yam hloov pauv ntawm qhov kub. Lub zog nqus lossis tso tawm thaum hloov pauv yog hu ua theem hloov cua sov (tseem hu ua latent heat ntawm theem hloov), thiab tus nqi ntawm cov cua sov nqus thiab tso tawm thaum hloov cov khoom kub raug hu ua paub tab paub xav thaum tshav kub kub. Piv nrog cov cua sov muaj txiaj ntsig, theem hloov cua sov yog ntau dua. Yog li, kev xaiv theem hloov cov khoom siv yog thawj kauj ruam los npaj ntse kub-tswj cov nqaij thiab textiles.
(1) Kev xaiv ntawm cov theem hloov cov khoom tswj kub
Xav txog cov kev xav tau tshwj xeeb ntawm cov ntawv thov fiber ntau thiab kev ua cov ntaub, tsis muaj ntau cov kev hloov pauv kub tswj cov ntaub ntawv uas tuaj yeem siv rau cov ntaub npuag. Ua ntej tshaj plaws, qhov ntsuas kub crystallization (tuav kub) ntawm theem hloov khoom siv yuav tsum tsim nyog thiab tsim nyog rau daim teb ntawm daim ntawv thov. Noj cov theem hloov lub zog cia fiber ntau ua piv txwv, feem ntau ntawm cov theem hloov hluav taws xob cia fiber ntau qhia txog tam sim no muaj qhov tsis zoo ntawm qhov kub siab crystallization ntau dua, thiab lawv tsis tuaj yeem siv zoo hauv cov teb ntawm cov khaub ncaws ua ke; qhov thib ob, cov txheej txheem hloov kho ntawm cov theem hloov hloov lub zog cia fiber ntau, Cov ntaub ntawv hloov theem feem ntau yog oligomers, nrog cov phaus me me tsis tshua hnyav, thiab lawv cov tshuaj lom neeg ruaj khov, thermal stability, spinnability tom qab tau ua ke nrog cov roj fiber ntau, thiab lwm yam.
Cov hauv paus ntsiab lus rau kev tshuaj xyuas theem hloov cov khoom siv fiber ntau haum rau cov ntaub ua haujlwm: (1) Kev txuag hluav taws xob ntau. Cov khoom hloov theem yuav tsum muaj cov ntim ntau dua, cov hluav taws kub latent ntau dua ntawm theem hloov ib pawg ntau thiab qhov muaj peev xwm kub loj dua. (2) Theem kev hloov pauv kub. Lub ntsiab lus melting yuav tsum tau siv cov ntawv siv thiab khaub ncaws, thiab cov theem hloov kub tau raws li qhov siv kub yuav tsum raug xaiv raws li cov huab cua sib txawv thiab siv. (3) Muaj kev nyab xeeb thiab ntseeg tau. Cov khoom siv tshuaj lom neeg thiab lub cev ntawm cov khoom hloov theem tau ruaj khov, tsis xeb, tsis muaj mob, tsis muaj tshuaj lom, thiab tsis kub. (4) Thermal conductivity. Cov khoom hloov theem yuav tsum muaj cov txheej txheem loj tsim thermal, ua tau siab, thiab muaj peev xwm nqus tau thiab tso tawm cov cua sov sai. (5) Kev hloov pauv theem. Kev hloov pauv theem yuav tsum tau thim rov qab thiab tsuas yog cuam tshuam rau qhov kub thiab txias. (6) Kev hloov pauv ntim. Thaum cov theem hloov, ntim hloov pauv tau me me. (7) Theem hloov siab. Lub sib haum vapor siab ntawm qhov ua haujlwm kub ntawm cov hloov hloov theem yuav tsum muaj tsawg. (8) Theem kev hloov pauv ruaj khov. Tom qab rov ua ntu zus hloov, cov kev ua haujlwm kub cia poob qis me me. (9) Kev hloov pauv theem. Qhov ceev ntawm ob theem ntawm cov khoom siv hloov theem yuav tsum loj npaum li sai tau, thiaj li ua kom txo tau cov nqi ntim. (10) Theem hloov supercooling. Me undercooling thiab siab siv lead ua loj zuj zus tuaj. (11) Kev lag luam yooj yim.
Hauv cov txheej txheem kev txhim kho tiag tiag, nws yog qhov nyuaj heev kom nrhiav tau cov khoom siv hloov pauv ntu uas tau raws li cov kev mob zoo tagnrho no. Yog li, tib neeg feem ntau xub xav txog qib tsim nyog hloov kub thiab qib kub hloov pauv kub, thiab tom qab ntawd xav txog ntau yam sib txawv uas cuam tshuam rau kev tshawb fawb thiab siv.
(2) Hom ntu hloov pauv kub tswj cov ntaub ntawv
Txog tam sim no, muaj ntau dua 500 ib hom-theem hloov cov ntaub ntawv thermoregulation (PCMs) uas tau tsim thiab siv, nrog rau cov khoom sib txuas thiab qib theem hloov cov ntaub ntawv thermoregulation nrog cov cim theem hloov cov yam ntxwv tau tsim thiab siv los ntawm kev siv thev naus laus zis. Cov hom theem-hloov kub-tswj cov khoom siv tam sim no tsim thiab siv yog: if Cov neeg sib txawv raws li qhov kub cia qhov kub ntawm cov khoom: Raws li theem-hloov qhov kub thiab txias, cov theem-hloov kub-tswj cov khoom tuaj yeem faib ua peb qhov loj. cov ntaub ntawv hloov theem: kub, kub nruab nrab thiab tsis kub. Cov ntaub ntawv kub hloov pauv kub feem ntau yog hais txog qee qhov ntsev nchuav thiab cov hlau cov ntaub ntawv hlau; cov khoom nruab nrab kub hloov cov khoom siv feem ntau yog hais txog qee qhov siv lead ua kua ntsev, cov kab mob thiab cov khoom siv polymer; qhov kub thiab txias theem hloov khoom siv feem ntau yog hais txog cov khoom siv xws li dej khov thiab hydrogel. IfDifferent classifications raws li daim ntawv ntawm cov khoom hloov qib: Lub sijhawm hloov kub tswj cov khoom tuaj yeem muab faib ua plaub pawg: theem-hloov theem theem, theem-hloov theem kua, theem-kua theem hloov, theem roj-theem hloov thiab kua-roj theem hloov khoom. Ntawm lawv, cov txheej txheem theem-hloov khoom siv thaum tshav kub cia tsis raug hloov ib theem, tab sis cov qauv siv lead ua theem hloov khoom pauv. Ntawm chav kawm, kub kuj tseem nqus thiab tso tawm thaum txheej txheem ntawm cov qauv siv lead ua hloov. Muab cov khoom pov thawj raws cov khoom siv tshuaj lom neeg cov khoom siv: cov khoom muaj qib hloov pauv (I-PCM), organic theem hloov cov khoom siv (O-PCM), cov theem sib hloov khoom siv (C-PCM) thiab cov khoom zoo hloov theem (Q-PCM).
Cov hauv qab no yog cov lus piav qhia ntawm cov khoom siv hloov theem los ntawm kev faib tawm cov tshuaj lom neeg:
A. Inorganic theem hloov kub tswj cov khoom: Inorganic theem hloov cov khoom siv mas suav nrog cov khoom sib xyaw xws li crystalline hydrated ntsev, molten ntsev, thiab hlau alloy. Qhov tshwj xeeb tshaj plaws ntawm cov no yog crystalline hydrated ntsev, uas muaj qhov kub loj ntawm fusion thiab tsau chaw taw tes. Nws lub ntsiab lus hais txog qhov kub thiab txias ntawm cov dej siv lead ua tawm, thiab cov dej siv lead ua kom tshem tawm tuaj yeem yaj cov ntsev thiab nqus cua sov. Thaum ntsuas qhov kub tsawg dua, cov txheej txheem thim rov qab tshwm sim, nqus cov dej kua siv lead ua thiab sab nraud. Kev hloov pauv theem raug hais raws li hauv qab no: AB · mH2O → AB + mH2O + Q, AB · mH2O → AB · pH2O + (mp) H2O + Q, qhov twg m thiab p yog tus naj npawb ntawm dej siv lead ua, thiab Q yog kub ntawm fusion.
Cov khoom siv uas siv ntau tshaj plaws ntawm hom no yog cov hydrates ntawm alkali hlau thiab alkaline ntiaj teb hlau halides, sulfates, phosphates, nitrates, acetates thiab carbonates, thiab cov sawv cev sawv cev yog: Na2SO4 · 10H2O, Mg (NO3) 2 · 6H2O, MgCl2+ 6H2O, CaCl2 · 6H2O, CaBr2 · 6H2O, Zn (NO3) 2 · 6H2O, NH4Al (SO4) 2 · 12H2O, Na2S2O3 · 5H2O, thiab lwm yam.
B. Organic theem hloov khoom kub tswj
Xws li cov khoom hloov theem tau siv ntau: paraffin, carboxylic acids, ntau dua aliphatic hydrocarbons, fatty acids los yog lawv cov esters lossis ntsev, cawv, dej qab zib hydrocarbons, ketones uas muaj ntxhiab, amides, freons thiab polyhydroxy carbonic acids, thiab lwm yam.; Ntxiv rau, macromolecules suav nrog: polyolefins, polypolyols, polyenols, polyenoic acids, polyamides, thiab lwm yam macromolecules.
C. Sau cov theem hloov khoom kub tswj cov khoom kub
Composite phase hloov cov khoom tswj qhov kub thiab txias feem ntau yog hais txog cov kev sib xyaw ua ke lossis cov tshuab ua haujlwm ntawm cov binary lossis ntau cov sib txuas nrog cov khoom sib xws, cov theem ua kua theem hloov cov ntaub ntawv nrog cov qauv ruaj khov, thiab inorganic thiab organic sib hloov theem cov ntaub ntawv. Composite theem cov khoom hloov feem ntau muaj ob daim ntawv: ib yog sib xyaw ntawm ob theem hloov khoom; lwm qhov yog hloov ua ntu hloov cov khoom. Txawm hais tias kev sib xyaw ntawm ob theem hloov khoom siv yooj yim rau kev tsim khoom, nws muaj qhov tsis zoo ntawm cov khoom hloov theem theem, xws li xav tau cov encapsulation, uas yog nquag xau thiab tsis zoo siv.
D. Cov khoom siv theem raug hloov ntsuas kub tswj cov khoom
Hom theem hloov kub tswj cov khoom no yog qhov sib xyaw ua ke kub tswj cov khoom tsim ntawm cov khoom hloov theem thiab polymer. Cov khoom hloov theem tau feem ntau paraffin organic acid, thiab lwm yam. Cov khoom siv polymer feem ntau yog HDPE (high-ntom polyethylene, uas muaj qhov chaw siab dua, raws li kev txhawb nqa), tom kawg siv raws li kev txhawb nqa thiab cov khoom sib khi kom muaj cov theem hloov cov khoom hauv txhua qhov ntawm nws qhov chaw micro. Yog li no, thaum cov khoom hloov qib raug hloov ib theem, cov khoom muaj txiaj ntsig theem qhov kub hloov khoom muaj peev xwm tswj tau qee yam duab, thiab tsis muaj cov khoom hloov theem yuav xau.
Piv nrog rau cov khoom siv hloov theem ib ntus, cov theem zoo hloov qhov kub hloov txoj cai tsis xav tau cov cuab yeej ntim, uas txo cov nqi ntim khoom thiab ntim cov teeb meem, zam kev pheej hmoo ntawm cov khoom tawg, ua kom muaj kev nyab xeeb ntawm cov khoom siv, thiab txo lub tshav kub hloov tsis kam ntawm lub thawv, Uas yog qhov ua tau zoo rau kev hloov pauv kub ntawm cov khoom hloov theem thiab lub tshav kub hloov ua kua.
(3) Theem hloov lub ntsuas kub hloov cov ntaub ntawv siv rau cov ntaub qhwv npuag
Txij li thaum lub cev tseem ceeb ntawm tsab xov xwm no piav qhia tias PCMs fiber fiber npuag feem ntau ua tiav theem hloov qhov kub thiab lub zog uas tib neeg lub cev nyiam hnav, yog li cov ntaub ntawv hloov theem (PCMs) muaj tsawg heev. Tam sim no, lub PCMs tseem ceeb hauv ntiaj teb tau muab cais raws li yam, lawv hom thiab kev ua haujlwm:
①Inorganic theem hloov khoom (I-PCM)
Kev Sau: xws li hydrated ntsev Na2HPO4 · 12H2O, CaCl2 · 6H2O, Na2SO4 · 10H2O, thiab lwm yam Nws ua tau zoo: qhov ntsuas kub qis dua 35 ℃; lub zog 120J / g ～ 300J / g; cim lub voj voog {{14}}; teb kos ++; cov yam ntxwv yog tus nqi tsawg, ua rau kub cia ua kom ntom ntom, loj thermal conductivity; qhov teeb meem yog lub zog cia thiab subcooling Loj, yooj yim cais tawm, tsis zoo thaum tshav kub cia khoom.
②Organic theem hloov cov khoom siv (O-PCM)
A. Txhab Nyiaj: paraffin hydrocarbon, organic rog CnH2n+2, CnH2nO2, thiab lwm yam. Nws cov haujlwm: kub 18 temperature ～ 40 ℃; lub zog 200J / g ～ 300J / g; cim ncig cycl; teb rov qab cim ++; tus yam ntxwv zoo yog tias lub tshav kub ntawm fusion yog loj, tab sis nws txias thiab tsis ua sai sai; qhov teeb meem yog tias cov thermal conductivity me, Qhov ntom ntab me me.
B. Kev Sau: Polyols: PG, NPG, PEG, thiab lwm yam Nws ua tau zoo: kub 24 ℃ ～ 40 ℃; zog 100J / g ～ 300J / g; voj voog cim ++++; teb kos ++; cov yam ntxwv yog me deformation thiab subcooling, siab thermal efficiency, ntev lub neej; qhov teeb meem Yog siab kub yog yas siv lead ua, yooj yim rau volatile poob.
③Xaiv cov khoom hloov theem (C-PCM)
Kev Sau: inorganic, organic sib xyaw, lub zog cia cov khoom siv hluav taws xob (CESM), thiab lwm yam. Nws cov haujlwm: kub -140 ℃ ～ 670 ℃; zog 100J / g ～ 500J / g; npav cim ic; teb npav ++++; cov yam ntxwv ntawm kev siv lub zog cia ntom, hloov xa cov cua sov ceev, ruaj khov, yooj yim Ua
(4) Kev sim rau txoj kev tswj qhov kub thiab txias kev hloov pauv ntawm cov khoom hloov theem
Kev tswj hwm kev tswj ntsuas kub kom ruaj khov yog qhov yuav tsum tau ua ua ntej rau kev siv cov khoom hloov theem hauv cov ntawv fiber ntau, tshwj xeeb tshaj yog kev tswj hwm kub tswj kev ruaj ntseg ntawm cov khoom hloov theem (C-PCM) thiab cov khoom zoo hloov theem (Q-PCM). Cov theem hloov pauv tau qhia hauv qab no. Cov txheej txheem xeem rau kev ruaj khov ntawm kub-tswj cov khoom siv muaj xws li cov txheej txheem hauv qab no:
SamplesPrepare cov qauv: Disperse cov qauv nyhav ntawm cov theem-hloov qhov kub-tswj cov khoom siv tusyees hauv thaj chaw ntsuas ntawm qib-hloov qhov kub-tswj cov khoom sib xyaw hauv nruab nrab ntawm cov ntawv txheem lim los npaj cov qauv coj los ntsuas;
Cov cov qauv: txav cov hnoos qeev kom ntsuas rau hauv qhov cub thiab ci nws ntawm qhov sov li ntawm 40 ～ 50 ℃ rau 5-12 teev, tom qab ntawd nqa tawm ntawm qhov ntsuas coj mus kuaj;
③Txhua tus qauv: Saib lub exudation ntawm theem-hloov qhov kub-tswj cov kua dej ua haujlwm sab nraud qhov ntsuas sab nraud ntawm thaj chaw ntsuas ntawm cov theem-hloov qhov kub-tswj cov khoom sib xyaw rau ntawm daim ntawv lim, thiab ntsuas qhov siab tshaj plaws thiab yam tsawg kawg ntawm cov hluav taws xob exudation vajvoog tsim sab nraud cheeb tsam xeem. Qhov nruab nrab ntawm txoj kab uas hla ntawm lub voj voos exudation yog suav los ntawm lub siab tshaj plaws thiab qhov tsawg kawg txoj kab uas hla ntawm lub voj voos exudation.