Tau Lelei a le Kamupani Tetrahydrofuran CAS: 109-99-9
Upu tutusa
TETRAMETHYLENE ETHER GLYCOL 2000 POLYMER; Tetrahydrofuran, 99.8% [Tetrahydrofuran, Fa'amaonia ACS/HPLC]; Tetrahydrofuran, 99.6%, fa'amautu i le BHT, mo su'esu'ega ACS; Tetrahydrofuran, 99+%, fa'amautu i le BHT, mama fa'aopoopo; Tetrahydrofuran, 99.9%, e leai se vai, fa'amautu, mama fa'aopoopo; Tetrahydrofuran, 99.5+%, mo le spectroscopy; Tetrahydrofuran, 99.8%, e le'i fa'amautu, mo le HPLC; Tetrahydrofuran, 99.85%, vai <50 ppm, fa'amautu, mago fa'aopoopo.
Fa'aaogāga o le Tetrahydrofuran
E fa'aaogaina le Tetrahydrofuran i le gaosiga o polymers fa'apea fo'i ma vaila'au fa'ato'aga, vaila'au, ma vaila'au fa'atau oloa. E masani ona faia galuega gaosiga i totonu o faiga tapuni pe i lalo o pulega fa'ainisinia e fa'atapula'aina ai le a'afiaga ma le fa'asa'olotoina o tagata faigaluega i le siosiomaga. E fa'aaogaina fo'i le THF o se vaila'au fa'amama (e pei o le fa'apipi'iina o paipa) lea e ono i'u ai i ni a'afiaga tetele pe a fa'aaogaina i nofoaga tapula'a e aunoa ma le lava o le ea e fa'aleleia atili ai le ea. E ui o lo'o iai le THF i le manogi o le kofe, pi sisi ua palu i le falaoa, ma moa ua vela, ae o a'afiaga masani e le o fa'amoemoeina e ono i'u ai i se lamatiaga tele.
E fa'aaogaina le butylene oxide o se mea e fa'asu'i ai le suāu'u ma e le fa'afefiloi ma isi vaila'au. E fa'aaogaina e fa'amautu ai le lanu o le suau'u ma le fa'aputuga o palapala.
E faʻaaogaina le Tetrahydrofuran o se vailaʻau faʻamamā mo resins, vinyls, ma polymers maualuluga; o se auala faʻafetaui Grignard mo tali a le organometallic, ma le metal hydride; ma i le faʻapipiʻiina o le succinic acid ma le butyrolactone.
O se vaila'au fa'ama'i mo polymers maualuluga, aemaise lava le polyvinyl chloride. O se vaila'au e fa'aaogaina mo le tali atu i le Grignard ma le metal hydride. I le fa'aputuga o le butyrolactone, succinic acid, 1,4-butanediol diacetate. O se vaila'au fa'ama'i i metotia fa'asolopito. E mafai ona fa'aaogaina i lalo o le Federal Food, Drug & Cosmetic Act mo le faia o mea mo le afifiina, felauaiga, po'o le teuina o mea'ai pe afai e le sili atu le aofa'i o totoe i le 1.5% o le ata tifaga: Fed. Regist. 27, 3919 (Ape. 25, 1962).
O le Tetrahydrofuran e fa'aaogaina tele (80%) e fai ai le polytetramethylene ether glycol, o le polymer autu e fa'aaogaina tele i le gaosiga o alava elastomeric (e pei o le spandex) fa'apea fo'i ma le polyurethane ma le polyester elastomers (e pei o le pa'u fa'apitoa, uili skateboard). O le vaega o totoe (20%) e fa'aaogaina i fa'aoga solvent (e pei o le sima paipa, mea fa'apipi'i, vaitusi lolomi, ma le lipine magnetic) ma o se solvent reaction i le gaosiga o vaila'au ma vaila'au.
Fa'amatalaga o le Tetrahydrofuran
| Fa'aputuga | Fa'amatalaga |
| Mama | ≥99.95% |
| Fa'ailoga o le Chromaticity (i Hazen) (Pt-Co) | ≤5 |
| Susū | ≤0.02% |
Afifiina o le Tetrahydrofuran
180KG/palu
E tatau ona teuina i se nofoaga malūlū, mago ma lelei mo le ea.















