Ngwaahịa

Ndepụta ogo:

Ọdịdị: ìhè edo edo kristal

Ọdịnaya: ≥ 99%

Ebe na-agbaze: 77-79 Celsius

Ebe esi: 219-221 ° CMM Hg

Ihe ngosi Flash: 219-221 Celsius C / 18mm

Ntụziaka:

1. Ọ na ọtụtụ-eji dị ka ụdị nontoxic thermal stabilizer maka ịkwanyere na 1,3-diphenyl acrylonitrile (DBM). Dị ka ihe ọhụrụ inyeaka okpomọkụ stabilizer maka PVC, ọ nwere nnukwu transmittance, na-abụghị egbu egbu na keenweghiuto; ọ ga-eji na ihe siri ike ma ọ bụ mmiri mmiri calcium / zinc, barium / zinc na ndị ọzọ na okpomọkụ stabilizers, nke nwere ike nke ukwuu mma mbụ agba, nghọta, ogologo oge kwụsie ike nke PVC, nakwa dị ka ọdịda na "zinc ọkụ" n'oge nhazi. A na-ejikarị ya eme ihe na ọgwụ, nkwakọ ngwaahịa na ngwaahịa PVC ndị ọzọ na-adịghị egbu egbu (dị ka karama PVC, mpempe akwụkwọ, ihe nkiri na-egosi ihe nkiri, wdg).

2. Okwu mmalite nke calcium na zinc stabilizers: (omenala stabilizers dị ka ndị na-eduga nnu stabilizers na cadmium nnu stabilizers) nwere ọghọm nke adịghị mma nghọta, mbụ agba iche, mfe cross ofufe na toxicity. Zinc na cadmium bụ ndị na-anaghị egbu egbu. Ọ nwere ezigbo nkwụsi ike na mmanu, agba agba agba na agba agba.

Ọnọdụ nrụgide nke ezigbo calcium / zinc stabilizer dara ogbenye, yabụ, ogige dị iche iche kwesịrị ịgbakọta dị ka teknụzụ nhazi na ngwa nke ngwaahịa ahụ. N'ime ndị na - enyere aka, β - diketones (ọkachasị stearoyl benzoyl methane na dibenzoyl methane) dị mkpa na calcium / zinc composite stabilizers.

Sịntetik usoro

Usoro mmepụta ihe ụlọ ọrụ mbụ bụ nke a: iji sodium methoxide siri ike dị ka ihe na-akpali akpali, acetophenone na methyl benzoate mere ka Claisen condensation na xylene nweta dibenzoylmethane. Ebe ọ bụ na sodium methoxide siri ike bụ nke na-ere ọkụ ma na-agbawa agbawa, ọ dịkwa mfe iji mebie mgbe ọ na-ezute mmiri, a ga-agbarịrị ihe mgbaze ahụ tupu agbakwunye, mgbe ahụ agbakwunye sodium methoxide siri ike n'okpuru nchebe nke nitrogen mgbe ọ dị jụụ na 35 ℃. Usoro mmeghachi omume ga-echebe site na nitrogen, yana iji sodium methoxide siri ike nwere nnukwu ihe ọghọm nchekwa yana ike oriri dị ukwuu. Ngwurugwu molar nke acetophenone: methyl benzoate: sodium methoxide siri ike bụ 1: 1.2: 1.29. Onu ogugu onu ogugu nke ihe ahia bu 80%, na nkpuru ahia nke nne bu 85.5%.

Usoro mmepụta ohuru buru ibu dị ka ndị a: agbakwunye 3000l xylene ihe mgbaze na chernobyl, 215kg siri ike sodium hydroxide agbakwunyere, na-akpali akpali amalite, a na-eme ka ọnọdụ okpomọkụ ruo 133 ℃, na mmiri dị ntakịrị mmiri na-ekpo ọkụ; mgbe ahụ agbakwunye 765kg methyl benzoate, a na-eme ka okpomọkụ dị na 137 ℃, a na-agbakwunye 500kg acetophenone dropwise, na-echekwa ọnọdụ mmeghachi omume na ụlọ okpomọkụ 137-139 ℃. Na mgbakwunye nke acetophenone, mmiri mmiri na-eri nri ji nwayọọ nwayọọ na-abawanye. A na-ewepụ methanol ngwaahịa site na usoro mmeghachi omume na mmeghachi omume na-aga n'ihu na ntụziaka dị mma. A na-ekpochapụ ihe mgbaze nke methanol na xylene. Jide maka awa 2 mgbe ị gachara. Mgbe ọ fọrọ nke nta ka ọ bụrụ na ọ dịghị distillate, mmeghachi omume na-agwụ.

Mbukota: 25kg / akpa.

Nchekwa nchekwa: na-echekwa na jụụ, akọrọ ọma ventilọ nkwakọba ihe.

Ikike kwa afọ: 1000 tọn / afọ