Compostable PLA cob

OEM & ODM Kev Pabcuam ntawm Compostable PLA Resin

Molecular Nyhav Kho

Qhov hnyav molecular ntawm compostable PLA resin tuaj yeem hloov kho. Los ntawm kev hloov cov txheej txheem polymerization, peb tuaj yeem tsim PLA resins nrog qhov sib txawv molecular hnyav. Piv txwv li, qis molecular hnyav PLA resins (kwv yees li 50,{1}},000 g/mol) tej zaum yuav tsim nyog rau cov ntawv thov uas yuav tsum tau degradation sai, xws li cov khoom siv pov tseg (xws li cov tais diav lossis ntim zaub mov) uas yuav tau composted sai sai tom qab siv. Ntawm qhov tod tes, siab dua molecular hnyav PLA resins (nyob rau hauv thaj tsam ntawm 150,000 - 300,000 g/mol) tuaj yeem muab cov khoom siv kho kom zoo, suav nrog lub zog tensile ntau dua thiab kev cuam tshuam, ua rau lawv tsim nyog dua. rau cov ntawv thov uas qhov kev ua haujlwm ntev yog qhov tseem ceeb, xws li cov ntim khoom siv rov siv tau lossis cov khoom lag luam uas yuav tsum tau tiv thaiv qee yam tuav thiab hnav.

Xim Customization

Cov xim customization ntawm compostable PLA resin yog ntau haiv neeg, thiab cov xim sib xws npog cov xim yooj yim thiab xim series. Ntawm cov xim yooj yim, dawb yog ntshiab thiab zoo huv si, thiab yog dav siv nyob rau hauv cov khoom ntim ntim, cov ntaub ntawv pov tseg thiab lwm yam khoom uas yuav tsum tau ua kom zoo zoo huv si, thiab tuaj yeem sib haum xeeb nrog cov khoom noj; dub muaj kev lees paub siab thiab tsis pom kev zoo, thiab yog qhov tsim nyog rau kev ntim khoom siab, cov khoom siv hauv chaw ua haujlwm, thiab lwm yam uas tseem ceeb rau cov duab hom lossis tsim cov qauv tshwj xeeb. Nyob rau hauv cov xim series, liab yog ci ntsa iab thiab qhov muag pom, thiab feem ntau yog siv rau hauv cov tais diav pov tseg thiab ntim khoom plig rau kev ua koob tsheej thiab kev ua koob tsheej ntxiv rau qhov chaw ua koob tsheej; ntsuab yog txuam nrog kev tiv thaiv ib puag ncig thiab xwm, thiab tsim nyog rau cov khoom ntim khoom noj, kev tiv thaiv ib puag ncig cov khoom lag luam, thiab lwm yam los qhia txog kev tiv thaiv ib puag ncig; xiav yog qhov tshiab thiab nyob twj ywm, thiab tuaj yeem siv los ntim cov nqaij nruab deg, cov khoom noj khov, thiab cov khoom noj khoom haus hauv tub yees thiab cov khob haus dej txias uas qhia txog lub tswv yim ntawm freshness thiab huv si; daj yog ci thiab muaj zog, uas tuaj yeem nyiam cov xim thiab feem ntau yog siv los ntim cov khoom noj tshwj xeeb thiab cov khoom me me kom nce cov khoom txaus siab; ntshav liab yog qhov zoo thiab tsis meej, uas tuaj yeem txhim kho qib thiab qhov tshwj xeeb ntawm cov khoom ntim khoom siab, cov thawv khoom plig, thiab lwm yam.; paj yeeb yog mos thiab sov, thiab tsim nyog rau cov khoom ntim lossis tsim cov khoom siv rau cov poj niam, cov khoom ua si menyuam yaus, thiab lwm yam los tsim kom muaj kev sib raug zoo thiab zoo nkauj.

Transparency Kho

Lub pob tshab ntawm compostable PLA resin kuj tuaj yeem hloov kho. Nws tuaj yeem ua rau hauv daim ntawv pob tshab, zoo ib yam li iav zoo li pob tshab, rau cov ntawv thov uas cov ntsiab lus yuav tsum tau saib kom meej, xws li pob tshab ntim zaub mov lossis ntim ntim. Ntawm qhov tod tes, nws tuaj yeem ua opaque los ntawm kev ntxiv qee yam additives lossis los ntawm cov txheej txheem tsim khoom tshwj xeeb. Opaque PLA resin tuaj yeem siv rau cov khoom lag luam uas xav tau kev ceev ntiag tug lossis qhov zoo nkauj dua, xws li qee yam khoom siv hauv tsev ntim khoom lossis cov thawv ntim khoom.

Txheej txheem ntawm Compostable PLA Resin

 

Muaj ntau txoj hauv kev los tsim PLA siv tau nrog tus nqi siab molecular. Lactic acid thiab cyclic di-ester, lactide yog ob lub ntsiab monomers siv rau qhov no.

 

Cov txheej txheem ntau tshaj plaws ntawm kev tsim PLA yog lub nplhaib-qhib polymerisation ntawm lactide nrog ntau yam hlau catalysts (feem ntau tin octoate) nyob rau hauv ib qho kev daws los yog kev ncua. Cov hlau-catalysed cov tshuaj tiv thaiv zoo li ua rau kev rov ua dua ntawm PLA, uas txo qhov tsis sib xws thaum piv rau cov khoom pib biomass.

Nws tseem tuaj yeem tsim PLA los ntawm kev sib txuas ncaj qha ntawm lactic acid monomers. Cov txheej txheem no yog ua los ntawm qhov kub thiab txias hauv qab 200 degree, thaum lub sij hawm ib qho entropically nyiam lactide monomer yog generated. Cov txheej txheem no tsim cov dej sib npaug rau txhua kauj ruam esterification. Cov dej yuav tsum tau muab tshem tawm los ntawm kev siv lub tshuab nqus tsev lossis los ntawm azeotropic distillation los txhawb polycondensation thiab ua kom muaj tus nqi siab molecular. Txawm tias cov nqi molecular ntau dua tuaj yeem ua tiav los ntawm crystallising cov polymer crude los ntawm yaj. Qhov no concentrates carbolyxic acid thiab cawv kawg pawg nyob rau hauv lub amorphous cheeb tsam ntawm cov khoom polymer, reacting mus cuag molecular luj ntawm 128-152 kDa.

 

Los ntawm polymerising ib tug racemic sib tov ntawm L- thiab D-lactides, nws muaj peev xwm mus synthesis lub amorphous poly-DL-lactide (PDLLA). Stereospecific catalysts tuaj yeem ua rau heterotactic PLA, uas tau paub tias pom crystallinity. Qhov degree ntawm crystallinity no yog tswj los ntawm qhov piv ntawm D rau L enantiomers uas siv, nrog rau cov hom catalyst uas siv. Lub tsib-tus tswvcuab cyclic compound lactic acid O-carboxyanhydride (lac-OCA) kuj tau siv rau hauv kev kawm ib puag ncig es tsis txhob lactic acid thiab lactide. Qhov sib xyaw no tsis tsim cov dej ua cov khoom sib koom ua ke thiab muaj ntau dua reactive dua lactide. PLA kuj tau ncaj qha biosynthesis thaum lactic acid kuj tau hu nrog zeolite, tsim ib qho txheej txheem uas tshwm sim ntawm qhov kub thiab txias uas nyob ib puag ncig 100 degree qis dua.

Peb nyob nraum kev compostable pla resin manufacturers thiab lwm tus neeg nyob hauv Suav teb, tshwj xeeb hauv kev muab cov kev pabcuam zoo. Peb sov siab txais tos koj mus yuav high-qib compostable pla resin rau muag ntawm no los ntawm peb lub hoobkas.