ngā purongo

He pai rawa te p-Toluenesulfonamide hei hanga kirihou totoka mō ngā kirihou whakamahana, he pai mō te kapia phenolic, te kapia melamine, te kapia urea-formaldehyde, te polyamide me ētahi atu kapia. Mā te whakaranu iti ka taea te whakapai ake i te ngāwari o te tukatuka, te whakapakari kia ōrite, me te hoatu i te kanapa pai ki te hua. Kāore he pānga whakangawari o te p-Toluenesulfonamide pērā i ngā hanga kirihou wai, kāore e hototahi ki ngā copolymers polyvinyl chloride me te vinyl chloride, ā, he hototahi wāhanga ki te cellulose acetate, te cellulose acetate butyrate me te cellulose nitrate.

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Ngā āhuatanga matū:

He tioata mā, he kirikiri. Ka wairewa i roto i te etanoru, kāore e wairewa i roto i te wai me te etera.

tikanga whakaputa

Tuatahi, tāpirihia tētahi wāhanga o te wai HN3 ki roto i te kohua tauhohenga, tāpirihia te p-toluenesulfonyl chloride me te whakaoho, ā, ka piki ake te pāmahana ki runga ake i te 50°C. Kia heke te pāmahana, tāpirihia te toenga o te wai haukini. Tauhohe i te 85~90℃ mō te 0.5h. Ka mutu te tauhohenga ina tae te uara pH ki te 8 ki te 9. Whakamatao ki te 20°C, tātarihia, ka horoia te keke tātari ki te wai kia puta ai te hua mata. Kātahi ka tangohia te tae o te hua mā te waro whakahohe, ka whakarewaina ki te kawakore, ka wehea e te waikawa, ka tātarihia, ka whakamarokehia kia puta ai te hua.

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Ngā Āhuatanga Matū o te p-Toluenesulfonamide

CAS 70-55-3
Te tātai ngota C7H9NO2S
Taumaha ngota 171.22
EINECS Nama 200-741-1

 
Te pūwāhi rewa 134-137 °C (iritihia)
Te pūwāhi koropupū 221 °C (10 mmHg)

 

Kiato 1.2495 (whakatau tata)
Te mātotoru o te kohu 5.9 (vs te hau) Te taupū whakaata 1.6100 (whakatau tata)
Pūwāhi mura 202 °C

Taumaha kupenga: 25kg, kua tākaihia ki roto i te pūtu kātene. 50kg.

āhuatanga: He tioata mā, he kirikiri

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Wā tuku: Pipiri-29-2024