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Izicelo kanye Nezinzuzo Zokusebenza ze-Desmodur RFE kuma-Adhesive
Emkhakheni wokubopha wezimboni, ukusebenza kahle kokulungisa, ukuqina kwezinga lokushisa, kanye namandla okubopha kwezinamathiseli kunquma ngqo ukusebenza kahle kokukhiqiza kanye nokuqina komkhiqizo. Njenge-ejenti yokuxhumanisa esebenza kahle kakhulu, i-Desmodur RFE, enezinzuzo zayo eziyinhloko "ze-curin esheshayo...Funda kabanzi -
Ukuhlaziywa okuphelele kwemininingwane yobuchwepheshe be-Desmodur RFE, ukuhambisana, kanye nezinyathelo zokuqapha zokusebenzisa.
I-Desmodur RFE, i-crosslinker ebalulekile ekunamathiseleni nasekugqokeni kwezimboni, inomthelela omkhulu kwikhwalithi yomkhiqizo kanye nokusebenza kahle kokukhiqiza ngenxa yokusebenza kwayo okuzinzile kanye nokusetshenziswa okufanele. Kodwa-ke, empeleni, izinkampani eziningi zivame ukubhekana nezinkinga ezifana nokufakwa komkhiqizo ongaphansi kwekhwalithi...Funda kabanzi -
I-Desmodur RE vs. Ama-Crosslinkers Afanayo (RC/RFE) kanye Nomhlahlandlela Wokukhetha
Ekukhiqizweni kwezimboni, ukukhethwa kwe-crosslinker kuthinta ngqo ukusebenza komkhiqizo, ukusebenza kahle komkhiqizo, kanye nokulawulwa kwezindleko. Uchungechunge lwe-Desmodur R, umugqa womkhiqizo we-crosslinker oyinhloko we-Covestro, luhlanganisa amamaki amaningi, kufaka phakathi i-RE, i-RC, kanye ne-RFE. Ngenkathi la mamaki...Funda kabanzi -
Amacala Okusetshenziswa kwe-Desmodur RE kanye Namasu Okuthuthukisa Ukusebenza Kwezinto Ezinamathelayo Nezimbozo
I-Desmodur RE iyi-crosslinker ye-aliphatic polyisocyanate esebenza kahle kakhulu. Ingxenye yayo eyinhloko yi-hexamethylene diisocyanate (HDI) biuret. Ibonisa i-viscosity ephansi, i-reactivity ephezulu, kanye nokumelana nesimo sezulu esihle kakhulu nokushisa. Amaqembu e-isocyanate (NCO) ku-stru yayo yama-molecule...Funda kabanzi -
Ukuhlaziywa Okuphelele Kwezincazelo Zobuchwepheshe ze-Desmodur RE, Iziqondiso Zokusebenzisa, kanye Namathiphu Okugcina
Embonini yezinto zamakhemikhali, i-Desmodur RE, njenge-crosslinker enhle kakhulu, isetshenziswa kabanzi ekumbozweni kwe-polyurethane okunezingxenye ezimbili, ama-polyurethane asekelwe ku-solvent, kanye nezinamathiselo zerabha ze-chloroprene. Kwabochwepheshe bemboni yamakhemikhali kanye nochwepheshe bokukhiqiza,...Funda kabanzi -
Yiziphi Izinzuzo Zokusebenzisa i-BTDA Kumafomula e-Polymer
● I-BTDA ithuthukisa ukuzinza kokushisa kuma-polymer, iwavumela ukuthi amelane namazinga okushisa aphezulu afinyelela ku-340 °C. Lokhu kuqina kubalulekile emikhiqizweni esetshenziswa ezindaweni ezinzima. ● Ukusebenzisa i-BTDA kuthuthukisa amandla okusebenza kanye nokuguquguquka kwama-polymer, okwenza aqine futhi...Funda kabanzi -
Okudingeka Ukwazi Ngezinhlelo Zokusebenza ze-BTDA
Uhlangana ne-BTDA, eyaziwa ngokuthi i-CAS 2421-28-5, ezimbonini ezidinga izinto eziqinile. Le nhlanganisela ithuthukisa ukuqina komkhiqizo, ukumelana nokushisa, kanye nokusebenza kahle. Uyibona isetshenziswa ekumbozweni kwempuphu, ezinamathiselweni, kuma-enamel ensimbi, kuma-foam enziwe nge-syntactic, kanye nasembozweni wamapayipi e-petroleum...Funda kabanzi -
I-N, N-Dimethyl-N, N-diphenylurea: Umbono Wemakethe, Indawo Yokuncintisana, kanye Neziqondiso Zokusebenzisa Okuphephile
Embonini yamakhemikhali, i-N,N-dimethyl-N,N-diphenylurea, ngenxa yezakhiwo zayo zamakhemikhali ezihlukile, isetshenziswa kabanzi ezimbonini ezahlukahlukene, kufaka phakathi ipulasitiki, irabha, kanye nokugqoka, iba yinto eluhlaza ebaluleke kakhulu ezinqubweni eziningi zokukhiqiza ezimbonini. Isisekelo esiphelele...Funda kabanzi -
Ukusetshenziswa okusha kwe-N,N-dimethyl-N,N-diphenylurea emikhakheni eyahlukene yezimboni
Ubona intuthuko ye-N N-Dimethyl-N N-Diphenylurea ezimbonini. Le nhlanganisela ikhulisa amandla e-polymer, yenza kube lula ukwenziwa kwemithi, futhi ithuthukise ukukhiqizwa kwamakhemikhali okukhethekile. Uzuza ekusebenzeni kahle okuthuthukisiwe kanye nekhwalithi yomkhiqizo. Ilungele kahle...Funda kabanzi -
Izindlela ezisekelwe yidatha zokuthuthukisa ukusimama kwe-2 5-Furandicarboxylic acid
Ubona ukukhula okusheshayo kwesidingo se-2 5-Furandicarboxylic acid, eqhutshwa ukuthuthuka kokwenziwa kwezinto eziphilayo kanye nokusungula izinto ezintsha. Ubuchwepheshe obufana nokuguqulwa kwe-fructose ebhodweni elilodwa buveza kufika ku-95%, okunciphisa imikhiqizo eyingozi. Izinto Ezibalulekile Okufanele Uzicabangele 1. Sebenzisa ama-biomas avuselelekayo...Funda kabanzi -
Indlela i-2 5-Furandicarboxylic Acid Esetshenziswa Futhi Incibilikiswa Ngayo Embonini
2 5-Furandicarboxylic Acid: Incazelo kanye nokubaluleka kwezimboni Izakhiwo zamakhemikhali kanye nesakhiwo Usebenza ne-2 5-Furandicarboxylic acid njengenhlanganisela evuselelekayo etholakala ku-biomass, equkethe indandatho ye-furan enamaqembu e-carboxyl ezindaweni ezi-2 nezi-5. Lokhu ...Funda kabanzi -
Imisebenzi Yezinto Eziphilayo kanye Nocwaningo Lwezokwelapha lwe-Aminoguanidine Bicarbonate
Isingeniso I-Aminoguanidine bicarbonate (i-aminoguanidine bicarbonate) iyinhlanganisela enesithakazelo esikhulu ocwaningweni lwezokwelapha. Isakhiwo sayo samakhemikhali esiyingqayizivele siyinika imisebenzi eyahlukahlukene yezinto eziphilayo, okubonisa amandla amakhulu ekwelapheni izifo eziningi...Funda kabanzi