Za Disperse Dyes
Njira yosinthira kutentha kwa utoto wobalalitsa imatha kufotokozedwa motere:
1. Panthawi yopaka utoto wotentha kwambiri, kapangidwe ka poliyesitala kamakhala kotayirira, utoto umabalalika kuchokera pamwamba pa ulusi mpaka mkati mwa ulusi, ndipo makamaka umachita pa ulusi wa poliyesitala kudzera mu mgwirizano wa hydrogen, kukopa kwa dipole ndi van der Waals. mphamvu.
2. Ulusi wopaka utoto ukakhala ndi kutentha kwapamwamba kwambiri, mphamvu ya kutentha imapangitsa kuti polyester ikhale ndi unyolo wautali wokhala ndi mphamvu zambiri, zomwe zimakulitsa kugwedezeka kwa unyolo wa mamolekyulu, ndikutsitsimutsa microstructure ya fiber, zomwe zimapangitsa kuti zomangira zifooke. pakati pa mamolekyu ena a utoto ndi unyolo wautali wa poliyesitala.Chifukwa chake, mamolekyu ena a utoto okhala ndi mphamvu zogwira ntchito kwambiri komanso kudziyimira pawokha kwapamwamba amasuntha kuchokera mkati mwa ulusi kupita kumtunda wa ulusi wokhala ndi mawonekedwe otayirira, ndikuphatikiza ndi pamwamba pa ulusiwo kuti apange utoto wosanjikiza.
3. Muyeso yothamanga yonyowa, utoto wapamtunda wokhala ndi zomangira zofooka ndi utoto wotsatizana ndi chigawo chomata cha thonje ukhoza kuchoka mosavuta ulusi kuti ulowe mu yankho ndikuipitsa nsalu yoyera;kapena kupaka mwachindunji ndi kumamatira ku nsalu yoyera yoyesera, motero kusonyeza kufulumira kwamadzi ndi kusungunuka kwamadzi kwa mankhwala opaka utoto.Kuthamanga kwa kuthamanga kumachepa.
Utoto wa Disperse umagwiritsidwa ntchito kwambiri m'njira zosiyanasiyana ndipo umatha kuphatikizidwa ndi utoto wobalalitsa kuti upangitse mitundu yoyipa, monga poliyesitala, nayiloni, cellulose acetate, viscose, velvet yopangira, ndi polyvinyl chloride.Atha kugwiritsidwanso ntchito kukongoletsa mabatani apulasitiki ndi zomangira.Chifukwa cha kapangidwe kake ka maselo, amakhala ndi mphamvu yofooka pa polyester ndipo amangolola kuti mitundu yofewa ipitirire ku ma toni apakatikati.Mapangidwe a ulusi wa polyester ali ndi mabowo kapena machubu.Mukatenthedwa mpaka 100 ° C, dzenje kapena chubu chimakula ndipo tinthu ta utoto timalowa.Kukula kwa ma pores kumachepetsedwa ndi kutentha kwa madzi-kupaka utoto kwa mafakitale a polyester kumachitika mu zida zoponderezedwa pa 130 ° C!
Pamene utoto wobalalitsa umagwiritsidwa ntchito potengera kutentha, mtundu wathunthu ukhoza kupezeka.
Ndife Disperse Dyes Suppliers.Ngati muli ndi chidwi ndi katundu wathu, chonde omasuka kulankhula nafe.
Nthawi yotumiza: Dec-14-2020