Ekirungo kya hydroxyethyl acrylate
Okulaba Ebintu Ebikolebwa
Hydroxyethyl Acrylate (HEA) ye monomer ekola emirimu mingi era nga ye kizimbe ekikulu mu kemiko ya polimeeri. Eriko ekiyungo kya akiriiki eky’emirundi ebiri ekiyinza okufuuka ekirungo kya polimeeri n’ekibinja kya hayidirokisi ekikola mu molekyu y’emu. Ensengekera eno egisobozesa okuyita amangu mu copolymerization ne monomers ez’enjawulo ate nga era yeetaba mu crosslinking reactions. Mazzi matangaavu, agataliiko langi okutuuka ku kiragala omutangaavu era gamanyiddwa olw’okutumbula ennyo enkola y’emirimu gy’ebintu ebisembayo ebya polimeeri, ne bwe bikozesebwa mu bungi obutono.
Ebikulu ebikwata ku nsonga eno
| Eby'obwa nannyini | Okulaga / Omuwendo ogwa bulijjo |
| Endabika | Amazzi amatangaavu, agataliiko langi okutuuka ku kiragala omutangaavu |
| Obulongoofu (%) . | ≥ 97.0 |
| Ebirimu Amazzi (%) . | ≤ 0.5 |
| Ekiziyiza (MEHQ) . | 200 ± 50 ppm (oba nga bwe kirambikiddwa) . |
| Asidi (nga Asidi wa Acrylic) (%) . | ≤ 0.05 |
| Langi (APHA) . | ≤ 30 nga zino |
| Obugumu (20 °C) . | ~1.10 g/cm3 |
| Ekifo ky’okufumba | ~ 90 °C (ku mmHg 5) . |
| Omuwendo gwa haidrokisi (mg KOH/g) . | ~ 480 |
Ebikulu Ebikozesebwa
Enkola ya HEA ey’emirundi ebiri egifuula enkulu mu makolero mangi:
Ebizigo & Yinki:
Thermosetting Coatings: Monomer enkulu mu bizigo by’emmotoka, amakolero n’ebyuma. Ekibinja kya hydroxyl kikwatagana ne melamine-formaldehyde oba polyisocyanate resins (mu PU coatings), kiwa obugumu obulungi ennyo, okuziyiza eddagala, n’okuziyiza mar.
Enkola eziwonya emisinde: Ekozesebwa nga ekirungo ekiziyiza okuzimba n’okusalasala mu bizigo ebiwonya UV/EB, yinki, n’ebisiiga. Kirungo kikulu mu kukola ebirungo ebiyitibwa urethane acrylates.
Photoresists & Photoreactive Polymers: Ekozesebwa mu kukola photoresist resins ez’okukuba ebitabo n’ebyuma eby’amasannyalaze (semiconductors, LCDs).
Ebisiiga & Ebisiba:
Alongoosa amaanyi g’okunywerera ku bintu eby’enjawulo omuli ebyuma n’obuveera.
Eyongera ku crosslink density, ekivaako okuziyiza ebbugumu okw’ekika ekya waggulu, okuziyiza eddagala, n’amaanyi g’okukwatagana mu structural and pressure-sensitive adhesives (PSAs).
Engoye & Ebiwuzi:
Ekozesebwa nga co-monomer mu bikozesebwa ebirongoosa fiber n’ebizigo ku lugoye okusobola okuwa amazzi okugumira, okuziyiza enviiri, n’okuwangaala.
Okukola ku mpapula:
Eyingizibwa mu nkola z’okusiiga okulongoosa amaanyi amabisi n’amakalu, okugumira amazzi, n’okukuba ebitabo.
Okusaba okw'enjawulo:
Amakolero g’ebizigo: Ekola ng’eddagala eri wakati mu kukola eby’okunaaba n’ebirungo ebibunyisa.
Ebyuma: Ekozesebwa ng’ekirungo ekikendeeza amazzi mu kutegeka sampuli ya electron microscopy.
Analytical Chemistry: Ekola nga chemical reagent era nga ekitundu mu water-miscible embedding agents.
Ebikulu Ebirimu & Emigaso
Dual Functionality: Ekibinja kya acrylate kisobozesa copolymerization, ate ekibinja kya hydroxyl kisobozesa crosslinking n’okukyusa eddagala.
Enhanced Performance: Ewa obuwangaazi obw’enjawulo, okugumira eddagala, n’okunywerera ku polimeeri ezisembayo.
Obuziyiza obw’amaanyi: Ekola mangu copolymerizes ne acrylates, methacrylates, styrene, vinyl acetate, acrylonitrile, n’ebirala.
Okukola emirimu mingi: Esaanira enkola ez’enjawulo ez’okukola polimeeri, omuli okusengejja, okuwunyiriza, n’okuwunyiriza okuyimirizaawo.
Enkola ennungi: Ewa okulongoosa okw’amaanyi mu by’obugagga by’ebintu ne ku mitendera emitono egy’okuyingiza (mu ngeri entuufu 2-10%).
Low Viscosity: Ekola nga effective reactive diluent mu radiation-curable systems, eyamba okukendeeza formulation viscosity nga tekozesezza volatile organic compounds (VOCs).
Enkwata & Okutereka
Ebbugumu ly’okutereka: Teeka mu kifo ekiyonjo era ekiyingiza empewo ennungi. Ebbugumu erisemba okutereka liri wakati wa 2°C ne 25°C (36°F ne 77°F). Weewale okufuuka omuzira n’ebbugumu eriri waggulu.
Inhibitor: Erimu ekiziyiza MEHQ okuziyiza polymerization eyeetongodde. Ekiziyiza kyetaagisa okubeerawo kwa oxygen okusobola okukola; n’olwekyo, okutereka wansi w’empewo etali ya maanyi (okugeza, Nitrogen padding) kyetaagisa nnyo okusobola okutebenkera okumala ebbanga eddene.
Ekintu: Teeka mu bidomola ebisibiddwa obulungi ebikoleddwa mu kyuma ekitali kizimbulukuse, ekyuma ekiriko phenolic resin-lined oba polyethylene. Kuuma okuva ku kitangaala.
Obulamu bw’okutereka: Mu bujjuvu emyezi 6 ku 12 okuva ku lunaku lwe yakolebwa ng’oterekeddwa mu mbeera eziragiddwa.
Enkwata: Kozesa ng’olina empewo emala n’ebifuga yinginiya. Weewale okukwata ku lususu, amaaso n’engoye. Yambala ebyuma ebituufu eby’okwekuuma (PPE), omuli ggalavu ezitayingiramu ddagala, endabirwamu z’obukuumi, n’engoye ezikuuma.