Baki na Bin

A bin bag, sharar gida (British English), sharar gida, **bin liner**, sharar shara (American English) ko sharar gida jaka ce da za'a iya zubar da ita da akayi amfani da ita don ƙunshe da sharar gida. Yawancin jaka suna da amfani don layi a cikin kwantena na sharar gida don hana sharar gida daga zama an rufe shi da kayan sharar gida. Yawancin jaka a yau anyi su ne da filastik, kuma yawanci baƙar fata ne, fari, ko kore a launi.

Takalma na filastik hanya ce da ake amfani da ita sosai, mai sauƙi, da kuma tsabta don sarrafa shara. Takalma na sharar filastik suna da nauyi sosai kuma suna da amfani sosai ga sharar gida ko sharar gida, kamar yadda ya saba da sharar gidaje, kuma suna da fa'ida don rufe sharar gida don rage ƙanshi. Sau da yawa ana amfani da jaka na filastik don yin layin datti ko kwantena na sharar gida ko kwantena. Wannan yana kiyaye kwandon tsabta ta hanyar guje wa hulɗar kwandon tare da shara. Bayan jakar dake cikin akwati ta cika da datti, ana iya cire jakar ta gefensa, rufewa, kuma a ɗaure shi tare da ƙananan hulɗa da sharar.

'Yan Kanada Harry Wasylyk, Larry Hansen da Frank Plomp ne suka kirkiro jakunkunan shara a cikin 1950.  A cikin wani na musamman a gidan talabijin na CBC, jakunkunan shara na kore (bakuna na farko a Kanada) sun kasance na 36 a cikin manyan abubuwan kirkirar Kanada 50.An gabatar da jakunkunan filastik na baki a cikin 1950 a matsayin jakunkunan da aka rufe da taurari. Takalma na farko a Amurka sun kasance kore da baki, maimakon fari da bayyane a yanzu. Flat-sealed jaka sun fara bayyana a shekarar 1959. A cikin shekarun 1960, an gabatar da fararen jaka. An gabatar da jaka biyu (Heavy Duty) a cikin 1974, tare da jaka 3 na layi da suka biyo baya a cikin 1980.

Za'a iya ƙone jakunkunan filastik tare da abinda ke ciki a wuraren da suka dace don sauya sharar gida zuwa makamashi. Suna da kwanciyar hankali kuma suna da kyau a cikin wuraren zubar da shara; wasu suna da lalacewa a ƙarƙashin takamaiman yanayi.  &#x5B;**&#x5D;

## Bayyanawa
Ana sayar da jakunkuna na filastik don shara ko datti a cikin adadi mai yawa a shagunan da yawa a cikin fakiti ko juzu'i na 'yan jaka. Ana bada igiyoyin waya a wasu lokuta don rufe jakar da zarar ta cika. Ana yawan ƙera nau'ikan kauri - ana amfani da jaka masu kauri don aikace-aikace masu nauyi kamar sharar gida, ko don iya tsayayya da tarwatsawa yayin hanyoyin sake amfani. A tsakiyar shekarun 1990s an gabatar da jaka tare da zane don rufewa. Wasu jaka suna da hannayen da za'a iya ɗaure su ko ramuka inda za'a iya jan wuyan jaka. Mafi yawanci, filastik da akayi amfani dashi don yin jaka shine mai laushi da sassauci LDPE (polyethylene mai ƙarancin ƙarfi) ko, don ƙarfi, ana amfani da LLDPE (multiethylene mai laushi) ko HDPE (p polyethylene mai yawa) a wasu lokuta.

### Takalma na filastik da za'a iya lalata su

Oxo-biodegradable plastic bags suna da irin wannan ƙarfin kamar na yau da kullun kuma suna da tsada dan kadan. Za su lalace sannan su lalace idan sun shiga cikin sararin samaniya, amma ana iya sake amfani da su idan an tattara su yayin rayuwarsu. An tsara sune don kada su lalace a cikin shara kuma ba za su samar da methane ba. Gilashin Oxo-biodegradable ba ya lalacewa da sauri a cikin low zafin jiki "windrow" composting, amma ya dace da "in-vessel" composting a mafi girman yanayin zafi da ake buƙata ta hanyar dabba ta hanyar ka'idojin kayan aiki. Gilashin Oxo-biodegradable yana da kwayoyin cuta da ƙwayoyin cuta iri ɗaya, waɗanda ke canza kayan halitta kamar rassan da ganye zuwa biomass na tantanin halitta, kamar kayan lignocellulosic. An tsara filastik mai lalacewa ta Oxo-biodegradable don lalacewa da farko ta hanyar tsari wanda ya haɗa da photo-oxidation da thermo-oxidation, don haka zai iya lalacewa a cikin duhu. Lambar ganewa ta resin 7 ta dace da filastik masu lalacewa.

### Rarraba da sassauci
A shekara ta 1984, jakunkunan shara na farko sun bayyana kafin GLAD  kuma Hefty  ya gabatar dasu. A watan Agustan shekara ta 2001, Hefty ya gabatar da jakunkunan shara tare da zane-zane da aka tsara don shimfiɗa a kusa da gefen shara kuma ya kasance a wurin. A watan Yulin shekara ta 2004, GLAD ta gabatar da ForceFlex, jakar shara ta filastik mai sassauci  (wanda Hefty's Ultra Flex ya biyo baya a watan Satumba). 

## Dubi kuma

* Baki mai launin shudi
* Kunshin
* Jakar filastik
* Sake amfani da filastik
* Depolymerization na zafi, fasahar sarrafa sharar gida ta masu amfani

## Manazarta




### Litattafai

* Brody, A. L., da Marsh, K, S., Encyclopedia of Packaging Technology, John Wiley &amp;amp; Sons, 1997,   
* Selke, S, *Kunshin da Muhalli*, 1994,   
* [Inda Aka Ɗauko Hoto da ke shafi na 9] Fuskar Fuskar, 2004,