p-Toluenesulfonamide ndi plasticizer olimba kwambiri kwa mapulasitiki thermosetting, oyenera phenolic utomoni, melamine utomoni, urea-formaldehyde utomoni, polyamide ndi utomoni zina. Kusakaniza pang'ono kumatha kupititsa patsogolo kusinthika, kuchiritsa bwino, ndikupatsa mankhwalawo gloss yabwino. p-Toluenesulfonamide alibe kufewetsa zotsatira za plasticizers madzi, n'zosagwirizana ndi polyvinyl kolorayidi ndi vinilu kolorayidi copolymers, ndipo pang'ono n'zogwirizana ndi mapadi acetate, mapadi acetate butyrate ndi mapadi nitrate.

Chemical katundu:

Makhiristo oyera oyera. Kusungunuka mu ethanol, osasungunuka m'madzi ndi ether.

njira yopanga

Choyamba, onjezerani gawo la madzi a HN3 mumphika, onjezerani p-toluenesulfonyl chloride pamene mukuyambitsa, ndipo kutentha kumakwera kupitirira 50 ° C. Kutentha kumatsika, onjezerani madzi otsala ammonia. Yankhani pa 85 ~ 90 ℃Chemicalbook kwa 0.5h. Zomwe zimatha pamene pH ifika 8 mpaka 9. Kuziziritsa mpaka 20 ° C, fyuluta, ndikutsuka keke ya fyuluta ndi madzi kuti mupeze zinthu zopanda pake. Chogulitsacho chimasinthidwa ndi kaboni wopangidwa ndi activated, kusungunuka mu alkali, olekanitsidwa ndi asidi, amasefedwa ndikuwumitsidwa kuti apeze mankhwalawo.

P-Toluenesulfonamide Chemical Properties

CAS 70-55-3
Molecular formula C7H9NO2S
Kulemera kwa molekyulu 171.22
EINECS No. 200-741-1

 
Malo osungunuka 134-137 °C (woyatsa)
Malo otentha 221 °C (10 mmHg)

Kachulukidwe 1.2495 (kuyerekeza molakwika)
Kuchuluka kwa nthunzi 5.9 (vs mpweya) Refractive index 1.6100 (kuyerekeza)
Kuwala kwa 202 °C

Net kulemera: 25kg, odzaza mu katoni ng'oma. 50kg pa.

khalidwe: White flaky makhiristo

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