Porogaramu

LDPE ni apolyethylene nkeya.Ibiranga molekuline ni urwego rwo hejuru rwishami, hamwe numubare munini wiminyururu miremire miremire, kubera guhuza iminyururu ya molekile, kuburyo ubukana bwayo ari bubi, ntibishobora kuba igice kinini cyo kurambura, ubushobozi buke bwingaruka.

Muri icyo gihe, kubera impamyabumenyi yacyo yo hejuru, ifite imbaraga nyinshi zo gushonga, igira uruhare runini muguhagarika ururenda.Bitewe no kudashaka kwa molekile mugikorwa cyo kogoshesha, ifite ibimenyetso byogosha byogosha, kandi ubukonje bwashonze buragabanuka cyane mugihe cyo hejuru, bizana imikorere myiza yo gutunganya ibicuruzwa, bigaragazwa nkumuvuduko ukabije wo gushonga, ubushyuhe buke bwo gushonga hamwe nuburemere bwa moteri .

Kubera ibiranga byavuzwe haruguru, LDPE irashobora gukoreshwa muburyo bworoshye mugushushanya kugirango ugere kubikorwa wifuza.Hariho ibintu bikurikira:

1. Kunoza imikorere yimashini

Hamwe nibisabwa byiyongera kumasoko yo gupakira, ikoreshwa rya metallocene naryo rinini kandi rinini, nubwo imikorere ya metallocene ari nziza cyane, ariko gutunganya akenshi ni imbavu zoroheje, mubisanzwe mubikorwa byo gukuramo kugirango bitange ubushyuhe bukabije, igitutu yiyongera, ubushyuhe burazamuka, membrane bubble ntabwo ihagaze.Ibi birashobora kunozwa muguhuza LDPE, igipimo cyiyongereye gishobora kuba 15-30%, niba igipimo cyiyongereye ari kinini cyane, bizagira ingaruka kumiterere yanyuma yumubiri wa firime, bigomba kuringanizwa.

2. Kunoza imikorere ya optique

Filime zimwe zifite ibisabwa bimwe mubintu bya optique.Umurongo cyangwa metallocene LLDPE ifite ibintu rusange bya optique, cyane cyane ko imikurire yacyo imbere ari nini cyane.Niba 5-15% LDPE yongewemo, bizafasha kugabanya ingano yimbere ya kristu, kugirango bitezimbere igihu no gukorera mu mucyo.

3. Kunoza imikorere ya kashe yubushyuhe

Imikorere ya kashe yumuriro yumurongo cyangwa metallocene LLDPE nibyiza cyane kurenza ibya LDPE.Ariko, kubera imiterere yurwego rwo hejuru rwamashami hamwe nubushuhe bukabije bwashonze mukogosha gake, LDPE irashobora gukumira ubusembwa bwo gufunga ubushyuhe buterwa no gusohora cyane firime ifunga ubushyuhe mugihe cyo gufunga ubushyuhe.Mugihe kimwe, umubare ukwiye wa LDPE urashobora kuzamura imbaraga zumuriro, ariko amafaranga ntagomba kuba menshi.Bitabaye ibyo, bizatuma ubushyuhe buba bubi.

4. Ibindi bitezimbere imikorere

Kurugero, muri firime yo kugabanuka kugirango utezimbere ubushyuhe bwumuriro nigabanuka;Ikintu cyerekana ibimenyetso byingwe kirashobora kunozwa na firime ihindagurika.Gutezimbere ijosi muri firime ya casting;Muri firime ya parike kugirango itezimbere ituze rya membrane bubble kugirango igere ku musaruro munini wa membrane, nibindi.

Birashobora kugaragara ko LDPE igira uruhare rukomeye mugutegura ama firime yoroheje bitewe nuburyo bwihariye bwa molekile, kandi gukorana neza hamwe nibindi bikoresho bya polymer birashobora kugera kubikorwa byo gutunganya no kunoza imikorere.