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Uburyo butatu tertiary amine catalyst yongera umuvuduko w'ubwirinzi bw'umubiri
MOFAN TMR-2, izwi ku izina rya nimero 62314-25-4, igaragara nk'umusemburo wa amine wo mu rwego rwa gatatu wihutisha ubushyuhe bw'imiyoboro binyuze mu bikorwa bitatu by'ingenzi: gutangira vuba, kongera kwaguka kw'ifuro, no gukira vuba. Iyi catalyst ikorana n'amatsinda ya isocyanate, yongera uburyo bwo gukora kandi igatuma ...Soma byinshi -
Uburyo bwo gukora uruhu rwa polyurethane
Igipimo cya Polyol na isocyanate: Polyol ifite agaciro ka hydroxyl kanini n'uburemere bwinshi bwa molekile, bizongera ubucucike bw'imirongo kandi bigafasha kunoza ubucucike bw'ifuro. Guhindura igipimo cya isocyanate, ni ukuvuga igipimo cya molar cya isocyanate na hydrogen ikora muri po...Soma byinshi -
Inyigo ku gufunga kwa polyurethane kugira ngo ipfunyike neza idashyuha cyane
Ubwoko bushya bwa kole ya polyurethane bwateguwe hakoreshejwe aside nto za molecule na polyol nto za molecule nk'ibikoresho by'ibanze byo gutegura prepolymers. Mu gihe cyo kwagura urunigi, polymers zifite amashami menshi na trimer za HDI zashyizwe muri polyuretha...Soma byinshi -
Igishushanyo mbonera cy'ama-elastome ya polyurethane gifite imikorere myiza n'ikoreshwa ryayo mu nganda zigezweho
Elastome za polyurethane ni ubwoko bw'ingenzi bw'ibikoresho bya polimere bikora neza cyane. Bitewe n'imiterere yabyo yihariye y'umubiri n'iya chimique hamwe n'imikorere myiza cyane, bifite umwanya ukomeye mu nganda za none. Ibi bikoresho bikoreshwa cyane mu...Soma byinshi -
Polyurethane ishingiye ku mazi idakoresha ioni kandi ikora neza kandi idapfa kwihuta mu gushyira mu ruhu
Ibikoresho bya polyurethane bishobora guhinduka umuhondo uko igihe kigenda gihita bitewe n'urumuri rwa ultraviolet cyangwa ubushyuhe, bigira ingaruka ku isura yabyo n'igihe bimara. Mu gushyira UV-320 na 2-hydroxyethyl thiophosphate mu muyoboro wa polyurethane, ikintu kitari inyoni...Soma byinshi -
Ese ibikoresho bya polyurethane bigaragaza ko birwanya ubushyuhe buri hejuru?
1 Ese ibikoresho bya polyurethane birwanya ubushyuhe bwinshi? Muri rusange, polyurethane ntirwanya ubushyuhe bwinshi, nubwo haba hari sisitemu isanzwe ya PPDI, ubushyuhe ntarengwa bwayo bushobora kuba hafi dogere 150 gusa. Ubwoko busanzwe bwa polyester cyangwa polyether bushobora kutabasha ...Soma byinshi -
Impuguke ku Isi mu bijyanye na Polyurethane Zizateranira I Atlanta mu Nama y'Ubuhanga ya Polyurethanes yo mu 2024
Atlanta, GA - Kuva ku ya 30 Nzeri kugeza ku ya 2 Ukwakira, Hoteli ya Omni iri muri Centennial Park izakira Inama y'Ubuhanga ya Polyurethanes yo mu 2024, izahuza abanyamwuga n'inzobere bakomeye bo mu nganda za polyurethane ku isi. Yateguwe n'Inama y'Ubutabire y'Abanyamerika...Soma byinshi -
Iterambere ry'ubushakashatsi kuri Polyurethane zitari izosianati
Kuva byatangira gukoreshwa mu 1937, ibikoresho bya polyurethane (PU) byakoreshejwe cyane mu nzego zitandukanye zirimo ubwikorezi, ubwubatsi, peteroli, imyenda, ubwubatsi bw'imashini n'amashanyarazi, iby'indege, ubuvuzi, n'ubuhinzi. Ibi ...Soma byinshi -
Imitegurire n'imiterere y'ifuro rya polyurethane rigid ku bikoresho byo mu ntoki bikoresha imodoka.
Agakoresho ko ku ruhande imbere mu modoka ni igice cy'ingenzi cya tagisi, kigira uruhare rwo gusunika no gukurura urugi no gushyira ukuboko k'umuntu uri mu modoka. Mu gihe cy'impanuka, iyo imodoka n'umugozi bigonganye, umugozi woroshye wa polyurethane ...Soma byinshi -
Ibice bya tekiniki byo gutera ifuro rya polyurethane mu murima
Ibikoresho byo gukingira ifuro rya polyurethane rigid foam (PU) ni polymer ifite imiterere isubiramo ya carbamate segment, ikorwa n'uburyo isocyanate na polyol zikora. Bitewe n'uburyo ikingira ubushyuhe neza kandi idapfa amazi, ikoreshwa cyane hanze...Soma byinshi -
Gushyiraho ifuro rikoreshwa mu bwubatsi rya polyurethane rigikomeye
Bitewe n'uko inyubako zigezweho zikenera byinshi mu kuzigama ingufu no kurengera ibidukikije, imikorere y'ibikoresho by'ubwubatsi mu gukingira ubushyuhe irushaho kuba ingenzi. Muri byo, polyurethane rigid foam ni ibikoresho byiza cyane bikingira ubushyuhe,...Soma byinshi -
Itandukaniro riri hagati ya Polyurethane ishingiye ku mazi na Polyurethane ishingiye ku mavuta
Igitambaro cya polyurethane kidapfa amazi gishingiye ku mazi ni ibikoresho bidapfa amazi bifite molekile nyinshi kandi bifatanye neza kandi ntibipfa kwinjira. Gifata neza ibintu bishingiye kuri sima nka sima, amabuye n'ibyuma. Ibicuruzwa...Soma byinshi
