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PE igbu ịkpụzi film mmepụta usoro

Hopper nri - ihe plasticizing extrusion - ịfụ traction - ifufe mgbanaka jụrụ - azụ azụ splint - traction roller traction - corona ọgwụgwọ - film winding, ma ọ bara uru na-arụtụ aka na arụmọrụ nke fụrụ afụ film nwere nnukwu mmekọrịta na mmepụta usoro parameters, ya mere. , na usoro nke ịfụ ihe nkiri, ga-ewusi akara nke usoro parameters, ọkọlọtọ usoro ọrụ, iji hụ na-eji ire ụtọ mmepụta, Na nweta elu àgwà film ngwaahịa.

Nhazi na isi akụkụ nke ihe nkiri ugbo

A na-eme ihe nkiri ugbo nke polymer dị elu dị ka isi ahụ, na-agbakwụnye ego kwesịrị ekwesị nke mgbakwunye ọrụ, mgbe nhazi nhazi.Ihe kachasị mma maka ihe nkiri awụsara bụ polyolefin, dị ka polyethylene (PE), polyvinyl chloride (PVC), ethylene - vinyl acetate copolymer (EVA) na thermoplastics ndị ọzọ.

Thermoplastics enweghị ebe mgbaze dị ka ogige molekụla dị ala, mana gbazee n'otu oge okpomọkụ, n'ime nke ha bụ viscoelastic.N'iji ihe onwunwe a, ọ nwere ike ikpo ọkụ n'ime ọnọdụ na-agbaze dị ka shuga chịngọm, ịfụ afụ, dị jụụ, ịgwọ ọrịa, ịkpụzi, traction iji nweta ụfọdụ nha nke ihe nkiri awụsara.

Nhazi nke ihe nkiri ugbo

1, ihe nkiri na-eguzogide ịka nká (ihe nkiri wụsara ogologo ndụ).Tinye puku kwuru puku ole na ole nke ezigbo ihe nkwudo ọkụ na ngwa ngwa bụ isi.Awụfu ihe nkiri na ikuku oxygen site na ìhè (karịsịa ultraviolet) irradiation, a ga-enwe mgbanwe dị iche iche, dị ka discoloration, elu cracking, n'ibu emebi.Ndụ ọrụ ndụ ihe nkiri polyolefin nkịtị bụ naanị ọnwa 4 ruo 5, ebe mmepụta ugbo oyi na-emebu chọrọ ndụ nke ihe nkiri wụsara bụ ọnwa 9 ruo 10.Ndụ ọrụ na-aga n'ihu nke mpaghara onye ọ bụla ma ọ bụ ụdị ihe ọkụkụ ọ bụla chọrọ ka ihe nkiri a wụsara bụrụ ihe karịrị afọ 2, na ndụ nke ihe nkiri ifuru na ihe nkiri ginseng karịrị afọ 3.Enwere ike nweta ebumnuche a dị n'elu site n'ịgbakwụnye puku kwuru puku ole na ole nke ezigbo onye na-ahụ maka nchekwa ọkụ iji kwadebe ihe nkiri ogologo ndụ.

2, enweghị ihe nkiri dobe.Ihe nkiri a na-ekpofu nke a na-agbakwunye ụfọdụ surfactants na isi ihe nke mere na n'ime ime ihe nkiri ahụ apụtaghị (ma ọ bụ na-adịkarịghị egosi maka oge ụfọdụ) nsị condensation n'oge eji mkpuchi.N'oge oyi oyi, okpomọkụ n'ime griin haus dị elu karịa n'èzí, na iru mmiri dị ukwuu, griin haus dị ka ihe nkiri gbasaa iko iko mmiri ọkụ.Uzuoku mmiri dị mfe iru ebe igirigi gachara mgbe emechara ihe nkiri ahụ, na-eme ụmụ irighiri mmiri n'ime ime ihe nkiri ahụ.A mmiri dobe dị ka a oghere, mgbe ìhè si n'èzí na wụsara, elu nke mmiri ga-eme ka ìhè refraction onu, ìhè apụghị ịbanye wụsara, ukwuu mbenata ìhè transmittance nke wụsara film, ọ bụghị conducive. na photosynthesis nke ihe ubi.Ọ bụrụ na ọkụ lekwasịrị anya site na "oghere" wee daa osisi, ọ ga-ere osisi ahụ ọkụ wee mebie ya.Nnukwu ntanye mmiri n'ihe ọkụkụ nwere ike ime ka ha ree ere.Mgbe agbakwunyere ụfọdụ surfactants, elu nke ihe nkiri na-enweghị mmiri na-agbanwe na hydrophobic na hydrophilic, na mmiri mmiri ga-emepụta ihe nkiri mmiri na-egbuke egbuke n'ime ime nke ihe nkiri ahụ na-achọsi ike, na nnyefe ọkụ nke ihe nkiri ahụ adịghị. emetụtara.

3, enweghị dobe, foogu mkpochapụ ọrụ wụsara ihe nkiri.Agbakwunyere ihe ndị na-egbochi fluoride na silicon na ndabere nke ihe nkiri na-enweghị ntapu.Winter anyanwụ griin haus iji izugbe film cover, mgbe na-emepụta oké foogu, griin haus ìhè ike na-ebelata, na-emetụta mmepe nke kụrụ, ma dị mfe ime ka ọrịa.Na ndabere nke ihe nkiri na-enweghị ntapu, tinye fluorine na silicon fogging n'ụlọnga, nke mere na mmiri vapo na susaturated ala nke wụsịrị nwere ike ọzọ ngwa ngwa condense n'elu nke wụsara film, na n'okpuru edinam nke ntapu-free. gị n'ụlọnga, mmiri ụmụ irighiri mmiri tinyere n'elu nke griin haus film ngwa ngwa inyeaka na-agbasa na-eruba n'ala, nke a bụ ntapu free, fogging ọrụ nke ẹduọk film.

4, ihe nkiri na-enwu ọkụ (ihe nkiri ntụgharị ọkụ).A na-agbakwunye onye na-ahụ maka ntụgharị anya na isi akụrụngwa.N'ime afọ ndị na-adịbeghị anya, dị ka ụkpụrụ nke ihe ndị dị ndụ ọkụ si dị, a na-etinye nkà na ụzụ ntụgharị ike anyanwụ na ihe nkiri ugbo, ya bụ, a na-agbakwunye onye na-eme mgbanwe ọkụ na ihe nkiri a wụsara, ike anyanwụ na photosynthesis osisi dị ntakịrị n'ime uhie. oroma ìhè mma osisi ibu, melite photosynthesis nke osisi na plastic ẹduọk film, melite itinye n'ọrụ ọnụego nke ìhè ike nke plastic griin haus, iji melite àgwà osisi.Dị ka mma mkpụrụ osisi ụtọ, mmalite ntozu okè, na-abawanye mmepụta, na-abawanye ego, mma na agba nke okooko osisi na osisi.

5, ihe nkiri mkpuchi dị elu.N'iji nnyefe ọkụ dị elu a na-ahụ anya, mmetụta mgbochi infrared nke polymer dị elu ma gbakwunye absorbent infrared, nke ihe nkiri mkpuchi okpomọkụ dị elu.Ihe nkiri mkpuchi dị elu nwere ike ịmịnye ọkụ ọkụ dị ka o kwere mee n'ehihie ma belata ọkụ ọkụ dị ka o kwere mee n'abalị.N'oge ehihie, ìhè anyanwụ na-amụba n'ime ihe nkiri a na-ahụ anya ìhè nke 0.3 ~ 0.8 micron, nke na-eme ka okpomọkụ dị na griin haus na-amịkọrọ ọtụtụ okpomọkụ na ala.N'abalị, e nwere ọdịiche okpomọkụ dị n'etiti ime na n'èzí, na ala na-amụba okpomọkụ n'ụdị ọkụ infrared na ogologo nke 7-10 microns.Ya mere, site n'iji polymer dị elu na-ebufe elu nke ìhè a na-ahụ anya na mmetụta mgbochi infrared dị mma, na site n'ịgbakwụnye infrared absorbent, ndị mmadụ emepụtala ihe nkiri na-ejigide okpomọkụ dị elu.Ka ọ dị ugbu a, enweela ọganihu dị ukwuu na ntinye nke ihe mkpuchi nano na akpụkpọ ahụ.

6, multifunctional akpụkpọ ahụ.Dị ka nhazi usoro nhazi, enwere otu ihe nkiri oyi akwa na ihe nkiri multilayer co-extrusion composite, nke ikpeazụ bụ ihe nkiri multifunctional.Dịka ọmụmaatụ, ihe nkiri 0.1mm nwere ike ịbụ nke 3 n'ígwé, ihe ọ pụtara bụ, site n'ịgbakwụnye ihe mgbakwunye kachasị mma na nke akụ na ụba na oyi akwa ọ bụla, nye ihe nkiri awụsara ahụ chọrọ ọtụtụ ọrụ.Dịka ọmụmaatụ, tinyekwuo mmiri mmiri na ihe na-ekpo ọkụ na oyi akwa etiti, ma tinyekwuo ihe nkwụnye ọkụ na oyi akwa dị n'elu.

7, ihe nkiri agba.A na-emepụta ya dịka ụkpụrụ nke optics si dị.N'okpuru mkpuchi ihe nkiri na-acha uhie uhie, mkpụrụ osisi owu na-eto nke ọma, osisi ndị ahụ dị oke, mgbọrọgwụ e mepụtara na ịdị ndụ dị elu.Ịkụnye karọt na kabeeji na ihe nkiri ọrụ ugbo na-acha odo odo nwere ike ime ka uto ha dịkwuo elu, na ikpuchi kukumba nwere ike ịbawanye mkpụrụ site na 50%.Iji ihe nkiri ugbo na-acha odo odo nwere ike ịbawanye mkpụrụ nke eggplant, leek na painiapulu;Strawberries n'okpuru mkpuchi na-acha anụnụ anụnụ na-amị nnukwu mkpụrụ.Uru nke ihe nkiri agba na-akwalite mmepụta ihe ọkụkụ, ịba ụba mkpụrụ na imeziwanye mma na-egosi atụmanya ngwa ngwa.

8. akpụkpọ ahụ mebiri emebi.A na-emepe ya maka "mmetọ ọcha" nke ihe nkiri ugbo na-emebi ihe na-akpata.Ihe nkiri fọdụrụnụ nke ihe nkiri rụrụ arụ nwere ike imebi onwe ya na obere oge n'okpuru mmetụta nke ọnọdụ dị iche iche eke.Enwere ike kewaa ihe nkiri mmebi iwu n'ụdị atọ: photodegradation, biodegradation na photobiodegradation.Ihe nkiri e starch na ihe nkiri grass fiber nke a na-emepụta na mba anyị bụ ihe nkiri na-emebi emebi.Emepụtala ihe nlele ma tinye n'ime obere mmepụta ihe.