· Nws cov kev siv tseem ceeb tuaj yeem faib ua kwv yees li:
(1) ua liaj ua teb tsis-woven npuag: sim saib xyuas cov qoob loo daim ntaub, yub daim ntaub, ciam teb irrigation, thermal curtain, thiab lwm yam .;
(2) industrial non-woven fabrics; Pouring khoom, insulating khoom, ntse av ntim hnab, geotextile, npog ntaub, thiab lwm yam.
(3) Non-woven fabrics rau tiab: hauv ob sab phlu, fusing hauv ob sab phlu, wadding, shaping paj rwb, txhua yam ntawm hluavtaws tawv puag ntaub, xaws tsis woven hnab thiab lwm yam.
(4) non-woven npuag rau kho kom zoo nkauj: xaws cov hnab uas tsis yog woven, phab ntsa ntaub, ntaub pua rooj, txaj, ntawv, thiab lwm yam.;
(5) non-woven fabrics siv rau kev kho mob thiab kev noj qab haus huv: txiav suture khaub ncaws, tiv thaiv khaub ncaws, tshuaj tua kab mob hnab, lub qhov ncauj qhov ntswg, pawm, Tib neeg niaj hnub siv cov ntaub so ntswg, so daim ntaub, ntub lub ntsej muag phuam, phuam so ntswg, so so phuam yob, khoom zoo nkauj , sanitary pads, sanitary pads thiab disposable sanitary fabrics, thiab lwm yam.;
(6) Lwm yam tsis-woven fabrics: cosmic paj rwb, thermal rwb thaiv tsev ntaub ntawv, roj xav, haus luam yeeb da dej nozzle, tshuaj yej hnab, thiab lwm yam.
Kev sib piv ntawm cov khoom sib txawv ntawm cov nroj tsuag fiber ntau / PBS composites (1)
100mesh, 120mesh sieve standby; Cellulose: nitric acid ethanol txoj kev; Kho cellulose: sodium chlorite txoj kev; Lignin: npaj los ntawm txoj kev hypochlorite.
14 Kev npaj cov ntaub ntawv sib xyaw Cov nroj tsuag fiber ntau sewn non-woven hnab thiab nws cov khoom tseem ceeb (cellulose, healdellulose, lignin) thiab PBS tau sib xyaw ntawm 110 degree rau 10min hauv ib qho piv txwv loj hauv SK-160 ob npaug rau cov menyuam qhib tov khoom (Shanghai Qicai Hydraulic Machinery Co., LTD.), thiab ces kub-nias rau hauv tus qauv qauv siv rau tensile xeem.
Kev sib piv ntawm cov khoom sib txawv ntawm cov nroj tsuag fiber ntau / PBS composites (2)
1.3.1XRD test: D/ MAX-3C X-ray diffractometer uas tsim los ntawm Rigalcu Company hauv Nyij Pooj tau siv los ntsuas cov crystallites ntawm cellulose, hemicelluloses thiab cov ntaub ntawv sib xyaw mus rau lub hnab ntsuab tsis muaj ntaub.
2 Mechanical Properties Test: raws li GB/T1040. Lub tensile load tau siv rau cov qauv ntawm qhov ceev ntawm 5mm / min kom txog thaum cov qauv tawg.
Kev sib piv ntawm cov khoom ntawm cov nroj tsuag fiber ntau / PBS composites (3)
Kev tshuaj ntsuam xyuas thermogravimetric: TGAQ500 thermogravimetric analyzer (American TA Company) tau siv los kuaj. Qhov ntsuas roj yog nitrogen, qhov ntsuas kub yog 30 degree ~ 600 degree, qhov programmed kub yog 10 degree / min, thiab qhov kev xeem zoo yog 4 hu rau Angle test: Shanghai Solon Technology SL200A / B / D series hu rau lub kaum ntse ntse ntsuas, nrog cov dej distilled raws li qhov nruab nrab, cov khoom siv sib xyaw ua qauv hauv paus Project: "863" Project ntawm Ministry of Science thiab Technology (2011AA100503) Industrial Chemical Education and Research Project of Western Education Department (2010C01); Lub teb chaws tseem ceeb ntawm Polymer Material Engineering, tom qab ntxiv cov nroj tsuag fiber ntau, cov hnab ntim khoom noj uas tsis yog woven lub ntsej muag ntawm cov khoom sib xyaw yog qis dua li ntawm PBS ntshiab. Nrog rau kev nce ntawm cov nroj tsuag fiber ntau, cov hnab uas tsis yog woven nrog lub logo lub kaum sab xis ntawm cov khoom sib xyaw txo qis tsis tu ncua, ntawm cov uas, kev sib cuag Lub kaum ntawm xyoob fiber ntau cov khoom yog qhov loj tshaj plaws, thiab kev sib cuag lub kaum sab xis ntawm cov nplej straw fiber yog qhov tsawg tshaj plaws. Muaj zog polarity ntawm cellulose, hemicellulose thiab lignin molecules phenolic hydroxyl qauv ua cov nroj tsuag fiber ntau muaj zog hydrophilicity, yog li thaum w tuag txiav tuav tsis woven hnab thiab hydrophobicity ntawm PBS blend, ntawm ib sab, vim hais tias ntawm cov hydrophilic fiber ntau cov ntaub ntawv los koom ua ke nce nws. hydrophilicity, ntawm qhov tod tes, vim qhov tsis sib haum xeeb ntawm fiber ntau thiab matrix, ob qho tib si nyob ze tsis yog, Yog li ntawd, raws li qhov chaw thiab sab hauv voids ntawm cov khoom sib xyaw nce, cov hydrophilicity ntawm cov khoom sib xyaw kuj nce, thiab nrog kev nce ntawm cov nroj tsuag. cov ntsiab lus fiber ntau, hydrophilicity ntawm cov khoom sib xyaw kuj nce. Qhov sib txawv ntawm hydrophilic degree ntawm cov nroj tsuag fiber ntau / PBS composites nyob ntawm qhov sib txawv ntawm cov nroj tsuag fiber ntau. Raws li pom tau los ntawm Fig.6 (a) thiab Fig.6 (b), hydrophilicity ntawm cellulose thiab healdellulose composites ntawm xyoob fiber nrog crystallization kev ua tau zoo kuj tsis muaj zog, thaum cov cellulose thiab healdellulose composites ntawm nplej fiber nrog tsis zoo crystallization. kev ua tau zoo kuj muaj zog.
Kev sib piv ntawm cov khoom ntawm cov nroj tsuag fiber ntau / PBS composites (4)
Qhov no yog vim muaj crystallinity siab, tsis tshua muaj hydroxyl pawg ntawm cellulose thiab healdellulose, tsis muaj zog hydroscopicity, zoo compatibility nrog PBS resin, kaw sab hauv kev sib txuas ntawm cov khoom sib xyaw, tsawg voids, thiab tsis tshua muaj hydrophilicity ntawm cov khoom sib xyaw. Fig.6 (c) piav qhia txog hydrophilicity ntawm cov nroj tsuag fiber ntau lignin / PBS cov ntaub ntawv sib xyaw. Nplej straw fiber ntau lignin composite cov ntaub ntawv pom zoo hydrophilicity feem ntau, thaum xyoob fiber ntau lignin composite cov ntaub ntawv qhia kuj tsis muaj zog hydrophilicity, uas tau txiav txim los ntawm phenolic hydroxyl pawg ntawm lignin, sewn non-woven hnab. Qhov siab dua cov ntsiab lus phenolic hydroxyl pawg, qhov muaj zog ntawm hydrophilicity. Qhov tseem ceeb tshaj plaws, cellulose thiab cellulose, lignin ntawm hydrophilic ncaj qha txiav txim siab hydrophilicity ntawm fiber, xyoob fiber ntau cellulose thiab cellulose, lignin, kuj hydrophobicity thiab loj ntev mus rau txoj kab uas hla piv ntawm xyoob fiber, xyoob fiber, 133, 114 straw fiber, nplej fiber ntau. , 102), xyoob fiber ntau kaw, kev sib xyaw ua ke ntawm cov coj ncaj qha mus rau cov sib xyaw ntawm hydrophilic kuj tsis muaj zog.
Kev sib piv ntawm cov khoom ntawm cov nroj tsuag fiber ntau / PBS composites (4)
Xaus Nrog qhov txo qis ntawm cov nroj tsuag fiber ntau, cov khoom siv kho tshuab ntawm cov khoom sib xyaw ua ke nce. Nrog rau qhov nce ntawm cov ntsiab lus ntawm cov nroj tsuag fiber ntau, lub zog tensile ntawm cov sib xyaw ua ke nce ua ntej thiab tom qab ntawd txo qis, thiab qhov elongation ntawm kev tawg qeeb zuj zus.
Ntawm cov xyoob fiber ntau, D tuag txiav tuav tsis woven hnab straw fiber thiab nplej straw fiber, xyoob fiber ntau / PBS composite muaj qhov zoo tshaj plaws txhua yam khoom, laser zaj duab xis tsis woven hnab thermal stability thiab hydrophobic zog, ua raws li straw straw fiber thiab nplej straw fiber.
Qhov kev ua tau zoo ntawm cov nroj tsuag fiber ntau / PBS sib xyaw yog nyob ntawm qhov sib txawv ntawm cov nroj tsuag fiber ntau. Qhov siab dua qhov crystallinity ntawm cellulose thiab healzellulose, qhov kev ua tau zoo ntawm cellulose, healzellulose / PBS puas, thiab qhov ua tau zoo ntawm cov nroj tsuag fiber ntau / PBS puas.
