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Ingoa Hua：1,3-Butadiene

Hōputu rāpoi:C4H6

No CAS:106-99-0

Hanganga ngota hua：

Ngā Āhuatanga matū:

Ko te 1,3-Butadiene he diene whakakotahi ngawari. He hau karekau he kakara kakara, he rite ki te hinuhinu me te kore hototahi ki te phenol, chlorine dioxide, parahi, me te crotonaldehyde. He taumaha ake te hau i te hau, ka haere ma te whenua; ka taea te mura tawhiti. He matū ahumahi nui e whakamahia ana hei monomer ki te hanga rapa waihanga. Ko te nuinga o te butadiene he mea polymerised hei hanga rapa waihanga. Ahakoa ko te polybutadiene ake he mea tino ngohengohe, tata tonu ki te wai, he mea hangai mai i nga ranunga o te butadiene me te styrene me te acrylonitrile, penei i te ABS, he uaua me te rapa. Ko te rapa Styrene-butadiene te mea e whakamahia nuitia ana mo te hanga potae motuka. He iti ake te nui o te butadiene ka whakamahia hei hanga nylon ma te adiponitrile takawaenga, etahi atu mea rapa waihanga penei i te chloroprene, me te sulpholane whakarewa. Ka whakamahia te Butadiene ki te hanga ahumahi o te cyclododecatriene ma te tauhohenga trimerisation.

Taupānga:

Ko te 1,3-Butadiene he hua hinu ka riro mai i te kapiti catalytic o te naphtha orlight hinu ranei na roto i te whakakorenga o te buteneor butane ranei. Ka whakamahia ki te whakaputa i te butadiene–styrene elastomer (mo nga potae), te rapa waihanga, te thermoplastic elastomers, nga taonga takai kai, me te hanga adiponitrile. Ka whakamahia hoki mo te whakahiatotanga o nga waro e Diels-Aldercondensation.

Ko nga elastomers waihanga (styrene-butadiene, polybutadiene, neoprene, nitriles), ABS resins, takawaenga matū.
Ka taea e 1,3-Butadiene te uru ki te tauhohenga honohono e wha me nga reagents aryl Grignard, me nga pukoro alkyl i te aroaro o te whakakorikori nickel ki te hanga i te 1,6-octadiene waro pūhui kua whakakapihia ki nga roopu alkyl me te aril i te 3- me te 8-turanga .
Ko te 1,3-Butadiene he diene whaihua mo te tauhohenga a Diels Alder.
Ka taea te whakamahi i roto i te whakahiato o nga mea e whai ake nei:

1-Silyl-substituted 1,3-butadienes, na [RuHCl(CO)(PCy3)2]-catalyzed silylative hononga o te kāpeka (E)-1,3-dienes ki vinylsilanes.

rapa waihanga me te kapia thermoplastic.

Dimer disilylated mā te tauhohenga ki te chlorosilanes.

Octa-2,7-dien-1-ol mā te palladium catalyzed-hydrodimerization.