Nkhani yotchuka ya sayansi: Chiyambi cha zoyambira zamapulasitiki.

Nkhani yotchuka ya sayansi: Chiyambi cha zoyambira zamapulasitiki.

Utomoni makamaka umatanthawuza chinthu cha organic chomwe chimakhala cholimba, cholimba pang'ono kapena chongopeka, ndipo nthawi zambiri chimakhala chofewa kapena kusungunuka chikatenthedwa.Ikafewetsedwa, imakhudzidwa ndi mphamvu zakunja ndipo nthawi zambiri imakhala ndi chizolowezi choyenda.Munjira yotakata, ma polima ngati matrix apulasitiki onse angakhale ma resin.

Pulasitiki imatanthawuza chinthu chopangidwa ndi polima chopangidwa ndi kuumba ndi kukonza ndi utomoni monga gawo lalikulu, ndikuwonjezera zowonjezera zina kapena othandizira.

Mitundu yodziwika bwino ya mapulasitiki:

Mapulasitiki ambiri: polyethylene, polyvinyl chloride, polystyrene, polymethylmethacrylate.

General engineering mapulasitiki: polyester amine, polycarbonate, polyoxymethylene, polyethylene terephthalate, polybutylene terephthalate, polyphenylene etha kapena kusinthidwa polyphenylene efa, etc.

Mapulasitiki apadera a uinjiniya: polytetrafluoroethylene, polyphenylene sulfide, polyimide, polysulfone, polyketone ndi polima wamadzimadzi.

Mapulasitiki ogwira ntchito: mapulasitiki oyendetsa, mapulasitiki a piezoelectric, mapulasitiki maginito, mapulasitiki opangidwa ndi pulasitiki ndi mapulasitiki opangira, etc.

General thermosetting mapulasitiki: phenolic utomoni, epoxy utomoni, unsaturated poliyesitala, polyurethane, silikoni ndi amino pulasitiki, etc.

Masipuni apulasitiki, imodzi mwazinthu zathu zazikulu zamapulasitiki, zimakonzedwa kuchokera ku zida za PP zopangira chakudya.kuphatikizamapepala apulasitiki, timitengo tokokera m'mphuno, zinthu zonse zachipatala kapena za labotale kapena ziwiya zakukhitchini zapakhomo zilinso zopangira chakudya.

Malo opangira pulasitiki:

1. Zida zoyikamo.Zida zonyamula ndizomwe zimagwiritsidwa ntchito kwambiri pamapulasitiki, zomwe zimapitilira 20% yonse.Zogulitsa zazikuluzikulu zimagawidwa kukhala:

(1) Zopanga zamakanema, monga filimu yopepuka komanso yolemetsa yonyamula, filimu yotchinga, filimu yotenthetsera kutentha, filimu yodzimatira, filimu yolimbana ndi dzimbiri, filimu yamisozi, filimu ya air cushion, etc.

(2) Zogulitsa m'mabotolo, monga mabotolo opangira chakudya (mafuta, mowa, soda, vinyo woyera, vinyo wosasa, msuzi wa soya, etc.), mabotolo odzola, mabotolo a mankhwala ndi mabotolo opangira mankhwala.

(3) Zinthu zamabokosi, monga mabokosi a chakudya, zida, ntchito zamanja, zachikhalidwe ndi maphunziro, ndi zina.

(4) Cup mankhwala, monga disposable chakumwa makapu, mkaka makapu, yogurt makapu, etc.

(5) Zinthu zamabokosi, monga mabokosi a mowa, mabokosi a soda, mabokosi a zakudya

(6) Zinthu zamatumba, monga zikwama zam'manja ndi zikwama zoluka

2. Zofunika tsiku ndi tsiku

(1) Zinthu zosiyanasiyana, monga mabeseni, migolo, mabokosi, mabasiketi, mbale, mipando, etc.

(2) Nkhani zachikhalidwe ndi zamasewera, monga zolembera, olamulira, badminton, tennis ya tebulo, ndi zina zambiri.

(3) Chakudya chazovala, monga nsapato za nsapato, zikopa zopangira, zikopa zopangira, mabatani, ma hairpins, etc.

(4) Zipangizo zakukhitchini, monga spoons, matabwa odulira, mafoloko, etc.

Ndi zimenezo lero, tiwonane nthawi ina.


Nthawi yotumiza: Jan-05-2021