FAQ

FAQ

COV LUS UAS PHEEJ NUG

Yuav ua li cas mus rau qhuav PLA?

REVODE101 tau tiav los ntawm qhuav crystallization, tom qab uas, lub siab tshaj plaws thaum tshav kub kub stability ntawm lub cob yog 110 ℃, thiab cov dej cov ntsiab lus yog tsawg tshaj li 200 ppm. Lub cob uas muab cia rau hauv Aluminium ntawv nyiaj hnab, kev tiv thaiv los ntawm lub thawv los yog lub hnab sab nraum muaj peev xwm yuav siv tau ncaj qha. Re-qhuav ntawm lub cob yuav ua rau cov dej ntsiab lus tsawg tshaj 100 ppm, uas yog dej siab lug txhim khu cov processability ntawm lub cob thiab qhov zoo tshaj ntawm daim ntawv.
Thaum rov qhuav resin, lub un-dehumidified kub huab cua yog txwv tsis pub, rau yam uas tsis tshuab nqus kev noo, tsis tsuas yog tus kom qhuav nyhuv yuav tsis tau, tab sis kuj cov kev ceev ntawm dej absorbance ntawm PLA cob yuav ceev. Lub dehumidified cua yuav tau lees tias cov qhuav nyhuv ntawm PLA cob nyob rau hauv desiccator.
Tswv yim PLA kom qhuav tej yam kev mob muaj qhia nyob rau hauv cov nram qab no cov lus:

Kom Qhuav Parameter raug chaw
Chaw nyob Lub sij hawm ( lub sij hawm ) 2-3
Cua Kub ( ℃) 90
Cua Lwg Point ( ℃) -40 ~ -42
Cua Flow Rate ( m3 / hr-kg cob ) > 1.85
Yuav ua li cas mus txuas hnub nyoog PLA cob?

Txuas ntxiv dua mus ntaub ntawv thiaj yuav reused (lub txuas ntxiv dua mus cov ntaub ntawv yuav tsum tsis ntev tshaj 3 lub hlis, thiab tsis ntau tshaj 35% nyob rau hauv txoj). Tshuav rau qhov kev thov hais tias cov dej cov ntsiab lus ntawm daim ntawv extrusion yuav tsum qis dua 200 ppm, lub txuas ntxiv dua mus ntaub ntawv yuav tsum tau hais txog nrog crystallization thiab high-kub kom qhuav los desiccant ntaus ntawv.
Crystallization txoj kev 1:
General crystallization khoom rau tsiaj yog siv tau. Piv txwv li, thaum 0.5 m3 crystallization autoclave xaiv, cov ntaub ntawv yuav tsum tau tov homogeneously, nrog ib tug 1: 1 ceeb thawj piv ntawm txuas ntxiv dua mus ntaub ntawv rau dawb huv PLA. Tom qab ntxiv mus rau hauv lub crystallization autoclave, lub sov crystallization ntawm complex pib nyob rau hauv nws rau tus ceev ntawm 3 rpm. Qhov kub yog teem rau ntawm 60 ℃ rau 20min, 80 ℃ rau 10 min, 95 ℃ rau 10min, thaum kawg ntawm 110 ℃ rau 30 min, thiab ces lowing kub kauj ruam yog kauj ruam. Tag nrho cov crystallization txheej txheem kav txog 1.5 teev.
Crystallization txoj 2:
Thaum uas siv cov lub Kreyenborg infrared crystallization khoom, cov ntaub ntawv yog rhuab los ntawm infrared, nrog los ntawm kev sib hloov nws tom qab ntxiv mus rau hauv lub infrared crystallization dov chim. Cov tsim nyog ntawm cov qauv no yog hais tias cov crystallization thiab kom qhuav txheej txheem yog nqa tawm nyob rau tib lub sij hawm, thiab cov txheej txheem yuav tsum xaus lawm tsis pub dhau 15 ~ 20 min.
Crystallization txoj kev 3:
Tom qab ua pre-qhuav thaum uas tsis muaj-kub, tus txuas ntxiv dua mus cov ntaub ntawv yuav tsum extruded thiab palletized, tom qab ces, lub crystallization txheej txheem yuav ua tau nyob rau hauv tus tsiaj crystallization khoom.

Ceeb toom: khoom thiab tej daim thiaj yuav reused rau ob peb lub sij hawm. Thaum lub sij hawm rov qab siv lub txheej txheem ntawm txuas ntxiv dua mus cov ntaub ntawv, ib tug me me npaum li cas ntawm pab neeg sawv cev - ADR yuav muab ntxiv rau txo lub zog poob ntawm txuas ntxiv dua mus ntaub ntawv zoo, thiab pom zoo npaum li cas yog 0.1 ~ 0.6%.

 

Lub egradation specification ntawm PLA

Nplooj Lwg degradation
Lub PLA peev xwm ua tau tag nrho biodegradation tsis pub dhau 180 hnub nyob rau hauv cov nplooj lwg degradation tej yam kev mob, thiab qhov kawg cov khoom uas carbon dioxide thiab dej. Lub composting tej yam kev mob yog raws li nram no:
○ Kub yog 58 ± 2 ° C
○ Vaum yog 98%
○ Muaj tej yam kab mob

Landfill degradation
Cov landfill tej yam kev mob yog txawv los ntawm lub composting tej yam kev mob. Yog li ntawd, lub degradation tus nqi ntawm PLA degradation yog qeeb, feem ntau yuav siv sij hawm 2-5 lub xyoo, tab sis lub degradation khoom tsis tsim plua plav paug nqhuab tsis rhuav tseg cov nroj tsuag txoj kev loj hlob, thiab tsis nkim lub cultivated av, thiab nws thiaj li nws yog tseem siab degraded.

Incineration
Lub combustion nqi ntawm PLA yog me me, thiab lub teb combustion cov khoom uas carbon dioxide thiab dej, uas tsis paug rau huab cua.

Yuav ua li cas yog PLA cob?

PLA yuav siv sij hawm ib xyoos twg txuas ntxiv dua mus pab - pob kws, qos ntoo thiab lwm yam nroj tsuag raws li raw khoom. Tom qab fermentation los ntawm kab mob, lactic acid yuav tau muab rho tawm, ces PLA yuav tsum ua los ntawm ib tug txheej txheem ntawm refining, lub cev qhuav dej polymerization, kub pyrolysis thiab zaum kawg polymerization. PLA muaj zoo heev biodegradable khoom. Tom qab pov tseg, tsis pub dhau ib lub xyoo, nws muaj peev xwm yuav degraded rau hauv cov pa roj carbon dioxide thiab dej los ntawm kab mob nyob rau hauv cov av, thiab ua tsis muaj teebmeem rau peb ib puag ncig. PLA yog ib hom ntawm aliphatic polyester nrog yooj yim yam ntxwv ntawm lub tuam micromolecule cov ntaub ntawv. PLA muaj zoo machanical zog, uas tsis muaj shrinkage, thiab yog competent rau daim ntawv thov ntawm feem ntau hluavtaws yas, kuj nws lug siv nyob rau hauv qhuav ntawm pob ntaub ntawv, uas tableware, tsev neeg hluav taws xob kws plhaub, fiber, 3D khoom siv thiab lwm yam

Vim hais tias PLA derives los ntawm txuas ntxiv dua mus tsob nroj resoures tab sis tsis yog lub roj av-raws li tsoos yas, ces nws yuav truely twb paub lawm lub zog-txuag thiab enviromental tiv thaiv, thiab PLA yog xav tau tus tseem pheej tshiab "ecological khoom".

Performance qhia siv

KHOOM

CHAV TSEV

siv INDEX

tsos

-

Dawb los yog daj cylindrical granules

particle Inch

hli

2 ~ 4

ceev

g / cm3

1.25 ± 0.05

Monomer

%

≤1

Yaj Index (190 ℃ 2.16kg)

g / 10min

1 ~ 30

Khob Transition Kub

58 ~ 60

melting Point

~ 160

Tensile zog ntawm So

MPa

~ 50

tensile modulus

GPA

3.5 ~ 6.0

Impact zog

J / m

10 ~ 13

Neeg kho tshuab kev kawm kev sib piv

Yam

Unit

PP

GPPS

tus tsiaj

PLA

ceev

g / cm3

0.90-0.91

1.04-1.09

1.3-1.4

1.25

yaj index

g / 10min

0.2-20

1.5-30

-

1-30

tensile zog

MPa

29.6-35

≥58.8

≥60

≥50

elongation

%

200-700

1.0-2.5

30-70

≥5

transmittance

%

85-88

88-92

90-92

90-95

XAV UA HAUJ LWM NROG US?



WhatsApp Online Chat !