Iindaba

Iifilimu ze-LDP ngokubanzi zenziwa rhoqo kuzo zombini iindlela zokubumba kunye nokuphosa. Ifilimu ye-Polythylene inobunzima obufanayo, kodwa kunqabile ukuba isetyenziswe ngenxa yexabiso layo eliphezulu. Blown polyethylene film is made from blow-molded grade PE pellets by blow-molding machines, which is the most widely used because of its lower cost.

Ifilimu ye-Polythylene i-Polythylene yi-semi yefilimu, ibysi, ethambileyo yefilimu, ngokuzinza komkhanyiso, ukungxengqwa kwamayeza, ukumelana kwamanzi kunye nokunganyangeki kwamanzi, kunokudilizwa. Isithintelo sayo esiPhakamileyo sisithintelo esingalunganga kwioksijini, isetyenziswa ngokuqhelekileyo kwizinto eziguquguqukayo, ifilimu yangaphakathi yefilimu, elona xesha liphezulu leplastiki, i-accounting ngaphezulu kwe-40% ye Ukusetyenziswa kwefilimu yephakheji yeplastiki.

Kuba imolekyuli yePolyethylene ayinamaqela e-polar kwaye inomgangatho ophezulu we-crystallinity kunye namandla asimahla esimahla, ifilimu ineepropathi eziPhilayo kunye ne-Adhesions ePhezulu kwi-inki kunye nokuncamathela phezulu, ukulekisa.

Oku kulandelayo kukusilela okuqhelekileyo kunye nezisombululo zefilimu ye-LDPE:

Ifilimu inamathele kakhulu, uvuleleke kakubi

UVAVANYO UVAVANYO:

1. I-resin Stowing Stowi ayingohlobo olufanelekileyo, hayi iBakala leFilimu yeFold, elingenayo iarhente yokuvula okanye iarhente yokuvula iphantsi yomgangatho ophantsi;

2. Iqondo lobushushu le-molten liphezulu kakhulu, i-squidity inkulu kakhulu;

3. Umyinge ovuthuzayo nkulu kakhulu, obangelwa kukuvula ifilimu embi;

I-4. Isantya sokupholisa sicotha kakhulu, ifilimu ayipholwanga ngokwaneleyo, kwaye i-biint yento yenzeka phantsi kwesenzo soxinzelelo lwenkcitho;

I-5. Isantya sesalathiso ngokukhawuleza kakhulu.

Izisombululo

① Shicilela izinto ezingafunekiyo ze-resin, okanye ukongeza inani elithile le-arhente yokuvula kwi-hopper;

② Ukunciphisa ngokufanelekileyo iqondo lobushushu lokuphendulwa kunye nobushushu be-resin;

③ Ukunciphisa ngokufanelekileyo umlinganiso wokuvuthuza;

④ Yonyusa ivolumu yomoya ukuphucula isiphumo sokupholisa kunye nokukhawulezisa isantya sokupholisa ifilimu;

⑤ Ukunciphisa ngokufanelekileyo isantya sokutywina.

Ukungasebenzi kakuhle kwefilimu

UVAVANYO UVAVANYO:

1. Iqondo lobushushu eliphantsi, iplastiki engekho mgangathweni, ikhokelela ekubonakalisweni okungafunekiyo kwifilimu emva kokubetha;

2. Umyinge wokuvuthuza mncinci kakhulu;

3. Isiphumo esibi kakhulu, ngaloo ndlela sichaphazela ukucaca kwefilimu;

4. Umxholo wokufuma kwisixhobo se-resin eluhlaza kakhulu kakhulu;

5. Isantya sesalathiso singxama kakhulu kwaye ifilimu ayipholwanga ngokwaneleyo.

Isisombululo

Ngokufanelekileyo yonyusa ngokufanelekileyo iqondo lobushushu lokuphendulwa, ukuze i-resin inokuba neplastikhi efanayo;

② Yandisa ngokufanelekileyo umyinge ovuthuzayo;

③increase ivolumu yomoya ukuphucula isiphumo sokupholisa;

Yongeza ivolumu yomoya ukuphucula isiphumo sokupholisa;

Yomisa izinto eziluhlaza;

⑤ Ukunciphisa isantya sokutsala ngokufanelekileyo.

Ifilimu yefizi

Uhlalutyo loLuhlu

1. Ifilimu engalinganiyo;

2. Isiphumo sokupholisa okwaneleyo;

3. Umyinge ovuthuzayo uphezulu kakhulu, kubangela ukuba i-bubble yefilimu ibe yinto engazinzanga, ishukuma ngasemva nangaphandle, ke ifilimu iqhelekile ukuba inyibilikisi;

4. I-angle ye-herringbone inkulu kakhulu, i-bubble yefilimu icekeceke kumgama omfutshane, ngoko ke ifilimu ikwathambeka ekuqhubeni;

5. Ingcinezelo kumacala omabini omtya oguqukayo ayingqinelani, icala elinye liphezulu kwaye elinye icala liphantsi;

I-6. I-Axes phakathi kweengqengqele zikhutshiwe azifani, ezichaphazela uzinzo kwaye zineflethi yefilimu, oko kuya kwenzeka.

Isisombululo

① Lungisa ubukhulu befilimu ukuqinisekisa ukuba nobungqingqwa obufanayo;

② Ukuphucula isiphumo sokupholisa ukuqinisekisa ukuba ifilimu inokupholiswa ngokupheleleyo;

③ Ukunciphisa ngokufanelekileyo umlinganiso wokuvuthuza;

③ Ukunciphisa umlinganiso wokuvuthuza;

④ Ukunciphisa i-engile ye-Carringbone yangqubana ngokufanelekileyo;

⑤ Guqula uxinzelelo lwendlela yokuThunyelwa kweKholamu yokuqinisekisa ukuba ifilimu iphantsi kwento efanayo;

Jonga i-axis yesikhokelo nganye yesikhokelo kwaye ubenze phantse omnye komnye.

Ubushushu obungalunganga bokutywina kwefilimu

Uhlalutyo loLuhlu

I-1. Umgca weqabaka uphantsi kakhulu, iimolekyuli zePolymere ziphantsi kweyona filimu, ngaloo ndlela zenza umsebenzi wefilimu kufutshane nefilimu ejolise kubushushu;

2. Umlinganiso wokuvuthuza kunye nomyinge ovuthuzayo nkulu kakhulu, kwaye ifilimu iphantsi kwendlela yokolula, ngenxa yoko ichaphazela ukusebenza kwefilimu.

Isisombululo

① Lungisa ubungakanani bomoya kwivolumu yomoya ukwenza i-khrew iphakame ngaphezulu, kangangoko kunokwenzeka, phantsi kwendawo yokunyibilika yeplastiki ngenxa yokuvuthelwa kunye nokuhanjiswa okubangelwa Ukuqhelaniswa noko

Imilinganiselo yokuvuthelwa kunye nenkunkuma kufuneka ibe incinci ngokufanelekileyo. Ukuba umyinge ovuthuzayo yinto enkulu kakhulu kwaye isantya sesalathiso singxamisekile kakhulu, ifilimu igqithisile, ifilimu yefilimu, emva koko ukusebenza kwefilimu kubini ukubakho, kwaye iifilimu zefilimu ziya kuba lihlwempu.

Ifilimu ine-odor

Uhlalutyo loLuhlu

1. I-resin eluhlaza ineevumba;

2. Iqondo lokushisa lokuphendulwa kwe-molten liphezulu kakhulu, ebangela i-resin ibole, ke ivelise ivumba;

3. Ukuphola okwaneleyo kwe-bubble yefilimu, umoya oshushu ngaphakathi kwe-bubble yefilimu ayisuswanga.

Isisombululo

Endaweni yezinto eziluhlaza ze-resin;

② hlengahlengisa ubushushu bokuphuma;

I-③improve yokuphumelela kwemali yokupholisa iringi yomoya epholileyo, ukuze i-bubble yefilimu ipholile ngokwaneleyo.

I-Whipitates emhlophe kumphezulu wefilimu

Isizathu: Izongezelelo ikakhulu kwizinto eziluhlaza, i-molecround yemoyarand ye-molecular yobunzima kunye nothuli, njl njl.

Isisombululo

Ithuba elithile lexesha, yonyusa isantya se-screw, sanda ingcinezelo yokuphuma kwesiqalo, thatha i-precipitites.

② Hlambulula rhoqo umlomo.

③ Yonyusa ubushushu bokunyibilikisa ngokufanelekileyo ukuhambisa ngokupheleleyo;

④useI-Siliek Pfas-free ye-ppa enkosiInokuphucula ngokufanelekileyo ukulungiswa kwe-resin ukulungisa, ukuphucula ukusebenza kwangaphakathi nangaphandle, ukuphucula ukusasazwa phakathi kwamacandelo, kwaye kwangaxeshanye kunokukhutshwa kwikona efihliweyo yezixhobo, ngaloo ndlela ziphucula umgangatho womphezulu wefilimu.I-Siliek Pfas-free ye-ppa enkosiYinye indlela egqibeleleyo yokutshintsha i-Polymer PPA ye-PLPA yokufezekisa iimfuno ze-fluorine yangoku.I-Siliek Pfas-free ye-ppa enkosiNgaba umntu ongenayo umntu ofanelekileyo wokufaka i-Polymer PPA yePolymer PPA, ehlangabezana neemfuno zesithintelo esikhoyo se-fluorine.

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I-LDP yefilimu yesisombululo sokuphucula umgangatho wemveliso

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