A cikin aikace-aikace na polypropylene fiber kadi, aikace-aikace na polyethylene kakin zuma yana iyakance. Don siliki mai laushi na yau da kullun da zaruruwa masu inganci, musamman don ulu mai laushi kamar denier mai kyau da filament na BCF wanda ya dace da shimfida da suturar yadi, polypropylene kakin zuma ya fi dacewa da kakin polyethylene.

Da farko dai, saboda rashin daidaituwa tsakanin polypropylene da polyethylene, yana da matukar wahala a samar da haɗin kai a cikin ma'anar microscopic, wanda zai haifar da rabuwar lokaci. Abu na biyu, saboda yanayin narkewar polyethylene wax yana da ƙasa da na polypropylene ko polypropylene da kakin zuma, yana da wahala a magance nau'ikan narkewa daban-daban na waɗannan polymers guda biyu. Rashin daidaituwa da rashin dacewa da rheology na samfurin na iya haifar da ƙarshen karya tsarin jujjuyawar. Saboda waɗannan sakamako masu illa, kayan masarufi na zahiri na fiber sun zama mafi muni.
A wannan lokacin, wajibi ne a yi amfani da kakin zuma na polypropylene tare da ƙananan danko. Saboda karancin danko da kyawon jika, yana iya jika pigments cikin kankanin lokaci. Bugu da ƙari, lokacin da aka shimfiɗa fiber na polypropylene kuma an saita zafi, ana iya samun shi daga zafin jiki na maganin zafi (yawanci game da 130c), wanda ke cikin kewayon zafin jiki na narkewa na polyethylene.

Saboda canjin tsarin kristal na fiber na farko na polypropylene, ana iya lura cewa narkar da polyethylene da kakin zuma daga polypropylene matrix zuwa saman fiber, kuma ba wai kawai kakin zuma mai kyau ba ne, amma kuma za a kawo pigment a saman.
A ƙarshe, daidaituwa tsakanin kakin polypropylene da resin polypropylene yana da kyau a cikin nau'ikan micro da macro, kuma yana da ɗan tasiri akan kaddarorin injina. Akwai nau'ikan polypropylene biyu polypropylene kakin polymerized ta hanyar fasahar catalytic Fasaha: Oneaya daga cikin polypolmer polypoylene kakin zuma, da kuma albarkatun ƙasa shine propylene; Daya kuma shi ne copolymerized polypropylene wax, wanda aka yi da propylene da ethylene.
Gabaɗaya, homopolymer polypropylene kakin zuma yana da babban wurin narkewa, tsakanin 140-160c, nauyin kwayoyin halitta daga dubbai zuwa dubun dubbai, daidai da dankowar Brookfield daga dozin zuwa dubbai, babban crystallinity da babban taurin. Matsakaicin narkewa na copolymer polypropylene wax yawanci tsakanin 80-110c, dankowar Brookfield ya kai ɗaruruwa zuwa dubbai ko ma dubun dubatar, kuma madaidaicin nauyin kwayoyin dubunnan zuwa dubun dubbai. Saboda ƙari na ethylene comonomer a cikin polypropylene copolymer, wanda ke rushe tsarin tsarin kwayoyin propylene na yau da kullum, crystallinity na polypropylene copolymer yana da ƙasa, don haka ma'anar narkewa kuma ba ta da yawa.

A cikin matakin wetting pigment, ƙananan danko kakin zuma yana faruwa da sauri, kuma ingancin wetting ya fi girma. Amma ana buƙatar shi a cikin fitar da waya. A cikin granulation mataki, muna kuma fatan cewa kakin zuma yana da wani danko, wanda zai iya da kyau canja wurin karfi karfi tsakanin pigment da guduro narke, sabõda haka, da wetted pigment za a iya ko'ina rarraba a cikin guduro narke. A wannan lokacin, ana iya amfani da kakin polypropylene tare da ƙananan narkewa da kuma polypropylene da kakin zuma tare da babban danko tare don cimma mafi kyawun watsawa.
Qingdao Sainuo Chemical Co., Ltd. Mu ne masana'anta don PE kakin zuma, PP kakin zuma, OPE kakin zuma, EVA kakin zuma, PEMA, EBS, Zinc / Calcium Stearate…. Kayayyakin mu sun wuce gwajin REACH, ROHS, PAHS, FDA.
Sainuo tabbata kakin zuma, maraba da bincike!
Yanar Gizo: https://www.sainuowax.com
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