1,4-BIS (dimethylsilyl) benzene are Cas 2488-01-9

1,4-BIS (dimethylsilityl) benzene yog cov organicilicon compound featuring ob qho tib si uas muaj ntxhiab thiab silyl ua haujlwm. It serves as a key intermediate, crosslinker, or monomer in several fields, including materials science, polymer chemistry, and electronics.

1. Precursor rau crosslinked polysilanes thiab sivananes

Ob txoj kev xav txog SI-H uas tso cai rau cov compo no kom yelgosilylation, dehydrocupling, lossis oxidative crosslinking:

Siv los ua cov nplooj ntawv sixane lossis polysilane network, tshwj xeeb tshaj yog hauv:

Silicone Elastomers

Thermoget resins

Hybrid Organic-Inorganic Khoom

Vim hais tias cov pab pawg dimethilslslslslslsl yog nyob rau ntawm para-txoj haujlwm zoo li muaj cov khoom siv tawm lossis ua rau muaj cov khoom siv lub cev zoo nkauj.

2. Lub tsev block rau kev ua haujlwm polymers

1,4-BIS (dimethylsilityl) Benzene tau koom rau hauv kev ua haujlwm siab polymers, xws li:

Polysilanes Nrog Txuas Ntxiv πjugation

Polysiloxanes rau saj zawg zog thiab cov ntaub ntawv ruaj khov khov kho

Silicon-muaj thaiv Copolrymers

Cov polymers siv nyob rau hauv:

Dielectric ntaub ntawv

Kho qhov muag ce

Saj zawg zog cov khoom siv hluav taws xob

3. Precursor hauv hydrosilylation chemistry

Txhua si-H sib khi tuaj yeem hnov ​​cov sib txuas tsis tau (piv txwv li, alkenes, alkynes, lossis vinyls) hauv hydrosilylation tshua, feem ntau catalalyzed los ntawm platinum lossis rhodium complexes. Qhov no ua rau:

Ua haujlwm ntawm polymer chains

End-capping lossis crosslinking ntawm silicone polymers

Synthesis ntawm tailored Orgososilicon molecules rau kev hloov kho saum npoo lossis cov khoom lag luam adhesion

4. Intermediate hauv synthesis ntawm aromatic-silicon hybrids

Qhov no sib xyaw no muaj txiaj ntsig rau kev qhia cov chaw ua si silicon ncaj qha rau cov neeg muaj ntxhiab tsw qab, ua kom tiav:

Tsim kev tsim cov ntaub ntawv hybrid tshiab ua ke cov organic thiab inorganic ua haujlwm

Txhim kho thermal thiab oxidative stability

Txhim kho cov kws kho mob rau cov txheej txheej thiab cov nplaum

Cov qauv no zoo txaus nyiam nyob rau hauv microelectronic thiab aerospace-qib-qib.

5. Siv nyob rau hauv nanostructured thiab cov ntaub ntawv ntxeem tau

Thaum siv nyob rau hauv sol-gel lossis templated synthesis, 1,4-bis (dimethylsylsl) benzene ua raws li tus bridging presor rau:

Organosilica Txoj Cai (piv txwv li, PMOs - Lub sijhawm Mesopized Organosilicas)

Porous hybrid cov ntaub ntawv rau kev sib cais, catalysisy, lossis hnov

Cov tub ntxhais muaj ntxhiab uas muaj cov ntaub ntawv txawv, thaum cov pab pawg silyl tso cai hla crosslinking lossis co-condensation nrog lwm yam silanes zoo li teos los yog tmos.

1,4-BIS (dimethylsilityl) Benzene muaj kev sib xyaw ua ke ntawm cov qauv, thiab kev ua haujlwm-txhim kho cov yam ntxwv uas tau ua rau nws muaj ntau yam ntawm cov khoom siv khoom lag luam siab heev.

1. Dual Silyl Revience

Muaj ob lub rooj zaum-h khi, tso cai rau:

Symmetrical bifunctional crosslinking

Ob Chav Hydrosilylation

Tswj Kev Lag Luam Network

Qhov no ua rau nws zoo tagnrho rau network polymer tsim, txawm li cas linear, lub hnub qub-puab, lossis crosslinked.

2. Cov ntxhiab tsw zoo nrog silicon yooj

Lub nplhaib Benzene muab cov roj ntsha thiab ruaj khov

Cov pab pawg dimethylslsyl muab reactivity thiab compatibility nrog hloov polymers yooj yim

Qhov sib npaug ntawm cov txheej txheem kev txiav txim thiab cov txheej txheem ua rau nws haum rau:

Ua Zog Txheej Txheej

Cov Khoom Kho Mob

Nyuaj nrhiav tau yooj yim elastomers

3. Therally thiab Chemically ruaj khov

Organosilici cov ntaub ntawv raws li cov compound no nyiam ua pov thawj:

Siab Thermal Kuj

Tsawg flammability

Huab cua zoo heev thiab UV Kuj

Cov khoom no yog qhov tseem ceeb heev nyob rau hauv high-Performance electronics, kho tsheb kho kom haum, thiab cov ntaub ntawv aerospace.

4. Kev sib raug zoo nrog ntau rab phom

Yuav siv tau rau hauv:

Platinum-catalyzed hydrosilylation

Radical-Mediated txheej txheem

Dehydogenative Coupling

Tau tshaj tawm ntau yam ntawm cov tsiaj tsis muaj txiaj ntsig los yog nucleophilic hom

Qhov kev sib xyaw no ua rau zoo-kho ntawm cov khoom siv thiab cov qauv tsim ntawm cov tshuab hybrid.

5. Pab tau nyob rau hauv high-purity thiab tsawg-outgassing apps

Organosilanes nrog txhais cov khoom sib txawv xws li 1,4-bis (dimethylsylsyl) benzene feem ntau xaiv rau:

Tsis muaj volatility tsawg thiab tsawg extractables

Ruaj ntseg dielectric thiab kho qhov muag

Haum rau chav ua haujlwm lossis cov semiconductor-qib ua qauv