PET/PLA Mpempe akwụkwọ Extrusion Line
Isi Nka na ụzụ Parameter
| Nlereanya | Ihe nlereanya extruder | Ọkpụrụkpụ ngwaahịa (mm) | Isi moto ike(kw) | Oke extrusion ike (kg/h) |
| Multi oyi akwa | JWE75/40+JWE52/40-1000 | 0.15-1.5 | 132/15 | 500-600 |
| Otu oyi akwa | JWE75/40-1000 | 0.15-1.5 | 160 | 450-550 |
| Na-arụ ọrụ nke ọma | JWE95/44+JWE65/44-1500 | 0.15-1.5 | 250/75 | 1000-1200 |
| Na-arụ ọrụ nke ọma | JWE110+ JWE65-1500 | 0.15-1.5 | 355/75 | 1000-1500 |
Mara: Nkọwapụta ndị a nwere ike ịgbanwe na-enweghị ọkwa mbụ.
Isi Nka na ụzụ Parameter
| Nlereanya | Multi oyi akwa | Otu oyi akwa | Na-arụ ọrụ nke ọma |
| Nkọwapụta Extruder | JW120/65-1000 | JW120-1000 | JW150-1500 |
| Ọkpụrụkpụ nke ngwaahịa | 0.20-1.5mm | 0.2-1.5mm | 0.2-1.5mm |
| Isi moto ike | 132kw/45kw | 132kw | 200kw |
| Ike extrusion kacha | 600-700kg / h | 550-650kg / h | 800-1000kg / h |
Mara: Nkọwapụta ndị a nwere ike ịgbanwe na-enweghị ọkwa mbụ.
Akwụkwọ PLA
PLA bụ ụdị ahịrị udi Aliphatic Polyesters.Enwere ike iji PLA na ngwungwu mkpụrụ osisi, akwụkwọ nri, akwa, nri esiri esi na nri a ṅara n'ọkụ, a pụkwara iji ya mee nkwakọ ngwaahịa Sanwichi, bisiki na ụfọdụ ngwugwu ndị ọzọ dị ka ifuru ọhụrụ.
Nkọwa ngwaahịa
Enwere ike imebi polylactic acid (PLA) kpamkpam n'ime carbon dioxide na mmiri n'okpuru ọnọdụ eke mgbe a tụfuru ya.Ọ nwere ezigbo mmiri na-eguzogide mmiri, ihe ndị na-emepụta ihe, ihe ndị dị ndụ, nwere ike ịmịnye ya site na ntule, ọ nweghịkwa mmetọ na gburugburu ebe obibi.N'otu oge ahụ, PLA nwekwara ezigbo akụrụngwa akụrụngwa.Ọ nwere mmetụta dị elu dị ike, mgbanwe dị mma na nkwụsi ike nke okpomọkụ, plasticity, processability, no discoloration, ezigbo permeability na oxygen na mmiri vapor, na nghọta dị mma, mgbochi mildew, antibacterial , ndụ ọrụ bụ 2 ~ 3 afọ.
Ihe kacha mkpa arụmọrụ index nke nkwakọ ngwaahịa bụ ikuku permeability, na ngwa ngwa nke ihe onwunwe a na nkwakọ nwere ike kpebisiri ike dị iche iche ikuku permeability nke ihe.Ụfọdụ ihe nkwakọ ngwaahịa chọrọ ikuku oxygen iji nye oxygen zuru oke na ngwaahịa ahụ;ụfọdụ ihe nkwakọba ihe na-achọ ihe mgbochi ikuku oxygen n'ihe gbasara ihe, dị ka ihe ọṅụṅụ mmanya, nke na-achọ ihe ndị nwere ike igbochi ikuku oxygen ịbanye na ngwugwu iji gbochie ebu.mmetụta nke uto.PLA nwere ihe mgbochi gas, ihe mgbochi mmiri, nghọta na ezigbo mbipụta.
PLA nwere ezigbo nghọta na gloss, na arụmọrụ ya dị mma dị ka cellophane na PET, nke na-adịghị na plastik ndị ọzọ na-emebi emebi.Nghọta na gloss nke PLA bụ 2 ~ 3 ugboro nke ihe nkiri PP nkịtị na 10 ugboro nke LDPE.Nghọta ya dị elu na-eme ka ọdịdị nke iji PLA dị ka ihe nkwakọba ihe mara mma.Dịka ọmụmaatụ, a na-eji ya maka nkwakọ ngwaahịa swiiti.Ka ọ dị ugbu a, ọtụtụ ngwugwu swiiti na ahịa na-eji ihe nkiri nkwakọ ngwaahịa PLA.
Ọdịdị na arụmọrụ nke ihe nkiri nkwakọ ngwaahịa a yiri omenala swiiti nkwakọ ihe nkiri, na elu nghọta, magburu onwe kink njigide, printability na ike, nakwa dị ka magburu onwe ihe mgbochi Njirimara, nke nwere ike mma na-ejigide ekpomeekpo nke swiiti .Otu ụlọ ọrụ Japan na-eji akara "racea" PLA nke American Cakir Dow Polymer Company dị ka ihe nkwakọ ngwaahịa maka ngwaahịa ọhụrụ, na nkwakọ ngwaahịa na-apụta ìhè n'ọdịdị.Ụlọ ọrụ Toray ewepụtala ihe nkiri na mpekere arụ ọrụ PLA site na iji teknụzụ nano-alloy nwe ya.Ihe nkiri a nwere otu okpomọkụ na mmetụta na-eguzogide dị ka ihe nkiri ndị dabeere na mmanụ ala, ma nwekwara ezigbo ngbanwe na nghọta.
Enwere ike ịme PLA n'ime ngwaahịa ihe nkiri nwere nghọta dị elu, ihe mgbochi dị mma, nhazi nhazi na ihe eji arụ ọrụ, enwere ike iji ya maka nkwakọ ngwaahịa na-agbanwe agbanwe nke mkpụrụ osisi na akwụkwọ nri.Ọ nwere ike ịmepụta ebe nchekwa kwesịrị ekwesị maka mkpụrụ osisi na akwụkwọ nri, nọgide na-arụ ọrụ ndụ nke mkpụrụ osisi na akwụkwọ nri, na-egbu oge ịka nká, na-echekwa agba, ísì, uto na ọdịdị nke mkpụrụ osisi na akwụkwọ nri.Otú ọ dị, mgbe etinyere ya na ihe nkwakọ ngwaahịa nri n'ezie, a chọrọ mgbanwe ụfọdụ iji kwekọọ na njirimara nke nri n'onwe ya, iji nweta mmetụta nkwakọ ngwaahịa dị mma.
PLA nwere ike ịmepụta gburugburu acid na-adịghị ike n'elu ngwaahịa ahụ, nke nwere ndabere nke antibacterial na antifungal.Ọ bụrụ na a na-eji ihe ndị ọzọ na-eme ihe na-eme ihe na-eme ihe na-emepụta ihe, a ga-enweta ọnụọgụ nje bacteria karịa 90%, nke a pụrụ iji maka nkwakọ ngwaahịa antibacterial.
E jiri ya tụnyere ihe nkiri LDPE, ihe nkiri PLA na ihe nkiri PLA / REO / TiO2, ihe omimi mmiri nke PLA / REO / Ag composite film dị elu karịa nke ihe nkiri ndị ọzọ.A na-ekwubi site na nke a na ọ nwere ike igbochi nhazi nke mmiri na-ekpo ọkụ ma nweta mmetụta nke igbochi uto nke microorganisms;N'otu oge ahụ, ọ nwekwara mmetụta bacteriostatic magburu onwe ya.
PET/PLA gburugburu ebe obibi mpempe akwụkwọ extrusion ahịrị: JWELL na-emepụta ihe ejima ịghasa extrusion akara maka PET/PLA mpempe akwụkwọ, nke a akara onwem na degassing usoro, na ọ dịghị mkpa ihicha na crystallizing unit.The extrusion akara nwere Njirimara nke ala ike comsuption, mfe mmepụta usoro na mfe mmezi.Usoro ihe nkedo nke kewara ekewa nwere ike ibelata viscosity mfu nke PET/PLA resin, ihe mkpuchi calender nke dị gịrịgịrị na nke dị gịrịgịrị na-eme ka mmetụta jụrụ oyi ma melite ikike na ịdị mma mpempe akwụkwọ.Multi components dosing feeder nwere ike ijikwa pasent nke ihe na-amaghị nwoke, ihe eji emegharị ihe na nnukwu batch, a na-eji mpempe akwụkwọ ahụ eme ihe maka ụlọ ọrụ nkwakọ ngwaahịa thermoforming.