Ngwaahịa

Ndepụta ogo:

Ọdịdị: Mmiri na-enweghị ntụpọ

Ọdịnaya: ≥ 99%

Ebe na-agbaze - 108^oC

Ebe esi: 66^oC

Njupụta: 0.887 g / ml na 20^oC

Enwe ume ọkụ 2.5 (ikuku)

Ike iku ume <0.01 mm Hg (25^oC)

Ntughari ntughari n 20 / D 1.465

Ihe ngosi> 230^of

Ntụziaka:

1. Tetrahydrofuran, akụrụngwa nke spandex njikọ, nwere ike ịbụ polycondensated onwe (oghere mgbanaka na re polymerization bidoro site cation) na poly (tetramethylene ether glycol) (PTMEG), nke a makwaara dị ka tetrahydrofuran polyether. A na-eji PTMEG na toluene diisocyanate (TDI) mee roba pụrụ iche na-eyi mgbochi, nkwụsi ike mmanụ, arụmọrụ dị mma dị ala na ike dị elu, yana mgbochi polyether polyester na-agbanwe ihe e mere na dimethyl terephthalate na 1,4-butanediol. A na-eji PTMEG nwere ịdị arọ nke 2000 na p-methylene bis (4-phenyl) diisocyanate (MDI) dị ka akụrụngwa maka eriri polyurethane na-agbanwe (eriri spandex), roba pụrụ iche na ụfọdụ mkpuchi nzube pụrụ iche. Isi ojiji nke THF bụ imepụta PTMEG. Dabere na ọnụ ọgụgụ siri ike, ihe karịrị 80% nke THF n'ụwa ka eji emepụta PTMEG, a na-ejikarị PTMEG emepụta eriri spandex na-agbanwe agbanwe. 2.Tetrahydrofuran(THF) bụ ezigbo ihe mgbaze, kachasị mma maka igbari PVC, polyvinylidene chloride na butylamine. A na-eji ya eme ihe dị ka ihe mgbaze maka mkpuchi elu, mkpuchi anticorrosive, ink na-ebi akwụkwọ, teepu na ihe nkiri. Ọ nwere ike ijikwa ọkpụrụkpụ na ihie nke aluminom oyi akwa mgbe eji na electroless aluminum plating bat. Mezie mkpuchi, ịkwanyere elu mkpuchi, ihicha ịkwanyere chernobyl, wepụ PVC ịse, cellophane mkpuchi, plastic obibi akwụkwọ ink, thermoplastic polyurethane mkpuchi, nrapado ihe mgbaze, ọtụtụ-eji na elu mkpuchi, na-echebe mkpuchi, ink, mmịpụta gị n'ụlọnga na sịntetik akpụkpọ anụ elu ọgwụgwọ gị n'ụlọnga.

3. Ejiri ya dika ihe akụrụngwa maka njikọ njikọta dịka ọgwụ. Na ụlọ ọrụ ọgwụ, a na-eji ya arụ ọrụ kebiqing, rifamycin, progesterone na ụfọdụ ọgwụ hormone. Enwere ike iji ya dị ka ihe na-esi ísì ụtọ (mmata njirimara) na mmanụ ọkụ na isi ihe mgbaze na ụlọ ọrụ ọgwụ.

4. chromatographic solvents maka ojiji ndị ọzọ (gel permeation chromatography) na-eji flavored eke gas, acetylene wepụ solvents, polymeric ìhè stabilizers, wdg Na mbara ngwa nke tetrahydrofuran, karịsịa ngwa ngwa uto nke spandex ụlọ ọrụ na China na-adịbeghị anya, na ọchịchọ maka PTMEG na China na-abawanye kwa ụbọchị, ọchịchọ nke tetrahydrofuran na-egosipụtakwa ngwa ngwa uto.

Mgbochi maka nchekwa: n'ozuzu, a na-agbakwunye ngwaahịa ndị ahụ na polymerization inhibitor. Na-echekwa na nkwakọba ihe dị jụụ na nke ikuku. Zere ebe ọkụ na ebe ikpo ọkụ dị. Nchekwa nchekwa ekwesịghị ịgafe 30 ℃. A ga-emechi ngwugwu ahụ ma ọ bụghị na ikuku. Ọ ga-echekwara iche iche si oxidant, acid, alkali, wdg. Bọmbụ gbawara agbawa àmà ọkụ na ventilashion ụlọ ọrụ na nakweere. Amachibidoro iji akụrụngwa akụrụngwa na akụrụngwa dị mfe ịmepụta ọkụ. A ga-enwe ebe nchekwa ebe a ga-enwe ngwongwo ọgwụgwọ mberede nke leakage na ihe nchekwa nchekwa kwesịrị ekwesị.

Mbukota: 180kg / drum.

Ikike kwa afọ: Tọn 2000 / afọ