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Iimveliso

IBismaleimide (BMI)

Inkcazo emfutshane:

Igama: Bismaleimide (BMI) okanye (BDM)
CAS NO: 13676-54-5
Ifomula yeMolekyuli: C21H14N2O4
Ifomula yolwakhiwo:

short


Iinkcukacha Product

Iimpawu zemveliso

Isalathiso somgangatho:

Umgubo wekristale otyheli okanye otyheli

Umxholo ≥ 98%

Indawo yokunyibilika yokuqala ≥ 154 ℃

Ilahleko lobushushu ≤ 0.3%

Uthuthu ≤ 0.3%

Umyalelo:

I-BMI, njenge-matrix efanelekileyo ye-resin yokuvelisa izixhobo ezinganyangekiyo ezinobushushu kunye neklasi H okanye i-F izinto zokufakelwa kombane, iya isetyenziswa ngokubanzi kwi-aviation, i-aerospace, amandla ombane, i-elektroniki, ikhompyuter, unxibelelwano, uloliwe, uloliwe, ulwakhiwo kunye nezinye iinkalo zeshishini . Oku ikakhulu kubandakanya:

1.Ubushushu obuphezulu bokumelana nepeyinti yokumilisela (esekwe kwisinyibilikisi kunye nesinyibilikisi-simahla), ipeyinti enamacala, i-laminate, itape yasimahla, iteyiphu ye-mica, ilaminethi yobhedu egqunywe ngeplastikhi, iplastiki ebunjiweyo, i-epoxy eguqulweyo ye-F ~ H yokwaleka komgubo, iindawo zokuphosa, njl. .; 2. I-resin ye-matrix edibeneyo ye-matrix, i-aerospace, izixhobo zokwenza izinto ngenqwelomoya, icarbon fiber ubushushu obuphezulu iindawo ezinganyangekiyo zesakhiwo, ibhodi yesekethe eprintiweyo ephezulu kunye nezinye izinto ezisebenzayo, njl.

3. Ukomeleza isiguquli, i-arhente enqamlezileyo kunye nearhente entsha yokuphilisa iinjineli kwiiplastikhi zobunjineli ezinjengePP, PA, ABS, APC, PVC, PBT, EPDM, PMMA, njl.

4.Nxiba izinto ezinganyangekiyo: ivili lokusila ledayimane, ivili lokusila elinzima, ipeyinti yokuqhekeza, ubushushu obuphezulu obunamathelayo, izinto zemagnethi, njl

5. Eminye imiba yesichumisi semichiza (i-synthetic ammonia) oomatshini kunye nezixhobo zokuthambisa ngaphandle kweoyile, izinto ezinamandla neziqinileyo zokutywina kunye nezinye iinkalo zobuchwephesha.

Ukumelana nobushushu

I-BMI inokumelana ngokugqwesileyo nobushushu ngenxa yesangqa sayo se-benzene, imide heterocycle kunye nokuxinana okuphezulu kokuxinana. I-TG yayo ngokubanzi inkulu kune-250 ℃, kwaye uluhlu lwayo lobushushu benkonzo lumalunga ne-177 ℃ ~ 232 ℃. Kwi-aliphatic BMI, i-ethylenediamine yeyona izinzileyo. Ngokunyuka kwenani le-methylene, ubushushu bokuqala bokubola kobushushu (TD) buya kuncipha. I-TD ye-BMI enuka kamnandi iphakamile ngokubanzi kunaleyo ye-aliphatic BMI, kwaye i-TD ye-2,4-diaminobenzene iphezulu kunezinye iintlobo. Ukongeza, kukho ubudlelwane obusondeleyo phakathi kwe-TD kunye ne-crosslinking density. Ngaphakathi kuluhlu oluthile, i-TD inyuka ngokunyuka koxinano lwe-crosslinking.

Ukunyibilika

I-BMI eqhelekileyo esetyenziswayo inokunyibilikiswa kwizenzi ezinjenge-acetone kunye ne-chloroform, kwaye inokunyibilikiswa kwizinyibilikisi ezomeleleyo, ezinetyhefu nezixabisa kakhulu njenge-dimethylformamide (DMF) kunye ne-N-methylpyrrolidone (NMP). Oku kungenxa ye-polarity polarity kunye nolingano lwesakhiwo se-BMI.

Iipropati zoomatshini

Ukuphendula okuphilisayo kwintlaka ye-BMI yeyokongezwa kwepolymerization, engenazo iimveliso zeemolekyuli eziphantsi kwaye kulula ukuyilawula. Ngenxa yolwakhiwo olumbeneyo kunye neziphene ezimbalwa, i-BMI inamandla aphezulu kunye neemodyuli. Nangona kunjalo, ngenxa yokuxinana okuphezulu kwe-crosslinking kunye ne-solid molecular chain rigidity yemveliso ephilisiweyo, i-BML iveza ubukrwada obukhulu, obubonakaliswa kukungabi namandla kwefuthe elibi, ubude obusezantsi kwikhefu kunye nobunzima bokuqhekeka obuphantsi g1c (<5J / m2). Ubunzima obuhlwempuzekileyo ngumqobo ophambili kwi-BMI ukuziqhelanisa neemfuno zetekhnoloji ephezulu kunye nokwandisa iinkalo zesicelo esitsha, ke indlela yokuphucula ubunzima ibenye yeetekhnoloji eziphambili ukumisela ukusetyenziswa kunye nophuhliso lwe-BMI. Ukongeza, i-BMI inezixhobo zombane ezigqwesileyo, ukumelana neekhemikhali kunye nokumelana nemitha.

Ukupakisha: 20kg / ingxowa

Amanyathelo okhuseleko: gcina kwindawo yokugcina izinto epholileyo, eyomileyo kunye nomoya.

Amandla oNyaka: Iitoni ezingama-500 / ngonyaka


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