Polyamide Hot Melt Garnules ezisaanuuka mu bbugumu

Polyamide hot-melt granules ye langi ya amber-, high-performance thermoplastic adhesive eyakolebwa yinginiya ku mbeera z’okukuŋŋaanya ezisaba nga sipiidi, amaanyi n’okukola ebintu bingi bikulu kyenkanyi. Resin eweebwa nga obutundutundu obufaanagana, obutono-enfuufu obutono obusaanuuka amangu ku 140-160℃okutuuka ku mazzi aga wansi-viscosity fluid (≈ 3 000–5 000 mPa·s @ 160℃). Kino eky’enjawulo ekitono eky’obuzito bw’okusaanuuka kikakasa okufukirira okw’enjawulo okw’ebintu ebirimu obutuli, ebikalu oba ebitali bifaanagana-empapula, emikutu egitalukibwa, amaliba, ABS, PC, PA, ekyuma ne aluminiyamu-nga tekyetaagisa kusooka kukola bikozesebwa oba ebisiba eby’ebyuma.

Ekyesiiga kitebenkedde mu bugenderevu okusobola okuteekawo amangu-up: kituuka ku maanyi g’okukwata mu sikonda 5–10 oluvannyuma lw’okunyigirizibwa, okusobozesa emirimu egy’okunsi ng’okusala, okusiba oba okupakinga okutandika kumpi amangu ddala. Naye ekyawa obudde obw’okuggulawo obw’omu makkati obwa sekondi 4–12 (substrate and ambient dependent), okuwa abaddukanya oba abagaba robotic eddirisa erimala okukwataganya ebitundu, okutereeza ekifo oba okukola emitendera egy’okukuŋŋaanya egy’okubiri nga bond tennasibira mu ngeri etakyuka. Okugatta kuno kukendeeza ku biseera by’enzirukanya ku layini ezikyukakyuka oba ezikola index ez’embiro enkulu- ate nga kukendeeza ku kugaana okuva ku lususu olutali lwa kiseera-okusukka.

Oluvannyuma lw’okunnyogoga, omugongo gwa polyamide guwa firimu enkalu, ekyukakyuka nga:

- Amaanyi g’okusika Gasinga oba genkana 6 MPa

- Olubalama A obugumu 92–96

Ekiyungo kisigala nga kigumira okuva ku –20℃okutuuka ku +110℃, nga kirimu ebipiira ebimpi okutuuka ku 130℃awatali kwekulukuunya oba okumenya. Eyoleka okuziyiza okulungi ennyo eri:

- Amafuta

- Ebintu ebikola obuveera

- Okufuuwa asidi/alkali

- Okukwatibwa kwa UV

Kino kifuula obukuta obulungi ennyo ku:

1. Amakolero g’okusengejja – Pleat stabilization, end-cap ne seam bonding mu HEPA, amafuta g’emmotoka n’ebyuma ebisengejja empewo; ekisiiga kigumira enjawulo za puleesa eziwuuma n’okugezesebwa okw’okukaddiwa kw’amafuta agookya- > 1 000 h @ 95℃.

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Omusono gwa polyamide omugumu, ogugonvu guwona 100 000 flexes ne 40℃wash cycles, naye ate gusigala nga gussa era nga teguliimu solvent-.
Olw’okuba eddamu okusaanuuka waggulu wa diguli 120-130 zokka , ekyesiiga kye kimu kigumira ovens oluvannyuma lw’okubumba n’okufuuka vulcanization, ekigifuula eky’okulonda ekyesigika olw’obukuumi, engatto z’emizannyo ez’ebweru n’ez’omutindo ogw’awaggulu.

3. Okubumba kwa puleesa eya wansi-ebitundu by’amasannyalaze/ebyuma – Okusiba enkuŋŋaana za PCB, ebiyungo bya waya, sensa n’ebiwujjo bya koyilo; puleesa entono ey’empiso (<10 bar) eliminates mechanical stress, while the amber color allows visual inspection and laser marking.

Ekintu kino kigoberera RoHS ne REACH, tekirina bizimbulukusa oba isocyanate, era kigumu 100 %-ekimalawo omukka gwa VOC n’okwanguyiza obukuumi ku mulimu. Ebikuta bisobola okulongoosebwa mu:

- Ebisaanuusa eby’ekika kya pisitoni oba ggiya-ya mutindo

- Enkola za hopper ez'okwetikka

- Yuniti za ttanka eziddamu okutambula

Stable viscosity profiles n’obugumu obulungi ennyo (<=2 % viscosity drift after 48 h @ 180℃) bikendeeza ku kutondebwa kwa char n’obudde bw’ebyuma okuyimirira. Mu bufunze, bino amber polyamide hot-melt granules biwa bayinginiya b’okufulumya ekifo kimu, ekinywevu eky’okusiiga ekigatta okuwonya amangu, okusonyiwa obudde obuggule n’okukola okuwangaala mu ffilta, engatto n’ebyuma ebituufu.

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