Labarai

Injin kera jaka inji ce don kera kowane irin buhunan filastik ko wasu jakunkuna na kayan aiki. Kewayon sarrafa shi kowane nau'in filastik ne ko wasu jakunkuna na kayan aiki masu girma dabam, kauri da ƙayyadaddun bayanai. Gabaɗaya magana, buhunan filastik sune manyan samfuran.

Injin yin jakar filastik

1. Rarrabewa da aikace-aikacen jakar filastik

1. Nau'in jakar filastik
(1) Babban matsa lamba polyethylene filastik jakar
(2) Jakar filastik polyethylene low matsa lamba
(3) Jakar filastik polypropylene
(4) Jakar filastik PVC

2. Amfani da jakar filastik

(1) Manufar babban matsi na polyethylene filastik jakar:
A. Kunshin abinci: biredi, alewa, soyayyen kaya, biscuits, foda madara, gishiri, shayi, da sauransu;
B. Fiber marufi: shirts, tufafi, allura kayayyakin auduga, sinadaran fiber kayayyakin;
C. Fakitin samfuran sinadarai na yau da kullun.
(2) Manufar jakar filastik polyethylene ƙananan matsa lamba:
A. Jakar datti da jakar datti;
B. Jakar dacewa, jakar sayayya, jakar hannu, jakar riga;
C. Sabuwar jakar ajiya;
D. Saƙa jakar ciki
(3) Aikace-aikacen jakar filastik polypropylene: galibi ana amfani da su don tattara kayan yadi, samfuran auduga na allura, sutura, riguna, da sauransu.
(4) Amfani da buhunan filastik na PVC: A. jakunkuna na kyauta; B. Jakunkuna na kaya, samfuran auduga na allura buhunan kayan kwalliya, kayan kwalliyar kayan kwalliya;

C. (zipper) jakar takarda da jakar bayanai.

2.Composition na robobi

Roba da muke amfani da shi ba abu ne mai tsafta ba. An yi shi da abubuwa da yawa. Daga cikin su, babban nau'in polymer (ko resin roba) shine babban ɓangaren robobi. Bugu da ƙari, don haɓaka aikin robobi, ya zama dole don ƙara kayan taimako daban-daban, irin su filler, filastik, lubricants, stabilizers da masu launi, don zama filastik tare da kyakkyawan aiki.

1. Gudun roba
Gudun roba shine babban bangaren robobi, kuma abun ciki a cikin robobi shine gabaɗaya 40% ~ 100%. Saboda yawan abun ciki da kuma yanayin guduro yakan tabbatar da yanayin robobi, mutane sukan dauki guduro a matsayin ma'anar robobi. Misali, guduro na PVC da filastik PVC, resin phenolic da filastik phenolic sun rikice. A gaskiya ma, resin da filastik ra'ayoyi ne daban-daban guda biyu. Guduro shine polymer na asali wanda ba a sarrafa shi ba. Ba a yi amfani da shi kawai don yin robobi ba, har ma ana amfani da shi azaman albarkatun ƙasa don sutura, manne da fibers na roba. Bugu da ƙari, wani ƙaramin ɓangaren robobi mai ɗauke da resin 100%, yawancin robobin suna buƙatar ƙara wasu abubuwa ban da resin babban kayan aikin.

2. Filler
Fillers, wanda kuma aka sani da filler, na iya haɓaka ƙarfi da juriyar zafin robobi da rage farashi. Alal misali, ƙari da foda na itace zuwa resin phenolic zai iya rage farashi sosai, yin filastik phenolic daya daga cikin robobi mafi arha, kuma yana inganta ƙarfin injin. Za a iya raba fillers zuwa na'urori masu cike da kwayoyin halitta da abubuwan da ba a iya gani ba, na farko kamar foda na itace, rags, takarda da zaruruwan masana'anta daban-daban, da na karshen kamar fiber gilashi, diatomite, asbestos, carbon black, da sauransu.

3. Filastik
Plasticizers na iya ƙara yawan filastik da laushi na robobi, rage raguwa da kuma sanya robobi mai sauƙi don sarrafawa da siffar. Plasticizers gabaɗaya manyan mahaɗaɗɗen ƙwayoyin halitta masu tafasa waɗanda ba su da alaƙa da guduro, mara guba, mara wari kuma barga zuwa haske da zafi. Phthalates sune mafi yawan amfani. Misali, a cikin samar da robobi na PVC, idan an kara yawan masu yin robobi, ana iya samun robobin PVC masu taushi. Idan babu ko žasa da aka ƙara masu filastik (sashi <10%), ana iya samun robobin PVC masu ƙarfi.

4. Stabilizer
Don hana resin roba daga lalacewa da lalacewa ta hanyar haske da zafi a cikin tsari da amfani da shi, da kuma tsawaita rayuwar sabis, ya kamata a ƙara wani stabilizer a cikin filastik. Yawanci ana amfani da su sune stearate, resin epoxy, da sauransu.

5. Mai launi
Masu canza launi na iya yin robobi su sami launuka masu haske da kyawawan launuka iri-iri. Ana amfani da rini na halitta da kuma inorganic pigments azaman masu launi.

6. Man shafawa
Ayyukan mai shine don hana filastik daga mannewa da ƙarfe a lokacin gyare-gyaren, da kuma sanya filin filastik ya zama santsi da kyau. Man shafawa na yau da kullun sun haɗa da stearic acid da calcium magnesium salts.

Bugu da ƙari ga abubuwan da ke sama, ana iya ƙara masu kare wuta, masu kumfa da magungunan antistatic a cikin robobi don biyan buƙatun aikace-aikace daban-daban.

Injin yin jakar tufa

Jakar tufafi tana nufin jakar da aka yi da fim ɗin OPP ko PE, PP da fim ɗin CPP, ba tare da fim ɗin m ba a mashigar kuma an rufe shi a bangarorin biyu.

Manufar:

Gabaɗaya ana amfani da mu don tattara kayan rani, kamar riguna, siket, wando, buns, tawul, burodi da jakunkuna na kayan ado. Yawancin lokaci, irin wannan jaka yana da manne kai a kai, wanda za'a iya rufe shi kai tsaye bayan an ɗora shi a cikin samfurin. A cikin kasuwannin cikin gida, irin wannan jaka yana da mashahuri kuma yana da amfani sosai. Saboda kyakkyawar bayyananniyar sa, shi ma zaɓi ne mai kyau don shirya kyaututtuka.