1) sulfidity
硫化度
1.
The influences of impregnation temperature on sulfidity and activity of catalysts were studied.
采用自制硫化剂对裂解汽油二段加氢催化剂进行浸渍预硫化,研究了浸渍温度对催化剂硫化度及活性的影响,并利用程序升温脱附(TPD)和差热分析法(DTA)测定了硫化剂的分解温度,表征了浸渍催化剂程序升温硫化(TPS)时的放热情况。
2.
The effect of solvent volume, reaction time, reaction temperature and impregnation time on sulfidity and activity was investigated.
以硫化烯烃为硫化剂,200#溶剂油为溶剂,对裂解汽油加氢二段加氢催化剂进行预硫化,研究了浸渍工艺,考察了溶剂与催化剂体积比、反应时间、反应温度及浸渍时间对硫化度及活性的影响。
3.
The sulfidity was reduced by 18% with the addition of 6.
3%甲醇,硫化度降低18%,或者加w=12。
2) high sulfidity
高硫化度
1.
In this paper, Simao pine chips were cooked by kraft process with high alkali charge and high sulfidity and in the temperature range of 160℃ to 166℃.
进行了思茅松高用碱量高硫化度的硫酸盐法低温蒸煮。
3) curing temperature
硫化温度
1.
The curing temperature of9 00-2016PR tire in autoclave was determined withJLW 12 Curing Temperature Tester.
00-2016PR轮胎进行硫化温度测定,获得了硫化温度在轮胎各部位的变化情况,并以此得到各部位胶料的硫化程度,发现均存在过硫现象,适当调整工艺条件,硫化外温由143℃改为151℃,硫化时间缩短5min后,轮胎机床耐久性能提高显著。
2.
Study on property and curing temperature of low elasticity shock-absorbing blowing material;
较好的硫化温度为433~443K,最佳温度为438K。
4) curing rate
硫化速度
1.
The results showed that the curing rate of TBSI was higher than DCBS,but lower than TBBS;and the scorch safety of TBSI was better than that of TBBS,but deteriorate to that of DCBS.
结果表明,促进剂TBSI的硫化速度比促进剂DZ快,比促进剂NS慢;抗焦烧性能不如促进剂DZ,但优于促进剂NS。
2.
The results showed that plasticizer A contained more palmicacid,and Aktiplast AP contained more stearic acid and oleic acid;in terms of improving compound flowability and dispersity,Aktiplast AP was better than plasticizer A;and the scorch time of compound extended and the curing rate decreased,and the Shore A hardness and modulus at 300% of vulcainzate increased a little,but the elon.
结果表明,增塑剂A中软脂酸含量较大,莱茵塑分AP中硬脂酸和油酸含量较大;莱茵塑分AP对胶料流动性和分散性改善效果优于增塑剂A;加入增塑剂A和莱茵塑分AP的胶料焦烧时间有所延长、硫化速度减慢,硫化胶的邵尔A型硬度和300%定伸应力略有提高,拉断伸长率稍有下降。
6) overvulcanization
硫化过度
补充资料:硫化度
分子式:
分子量:
CAS号:
性质:硫酸盐法制浆过程中蒸煮工艺条件之一。蒸煮液中硫化钠量对氢氧化钠和硫化钠总量的百分比(以氧化钠计算)蒸煮液中,加入硫化钠能加快脱木质素的反应速度,减少对纤维素的破坏。在固定总碱量下,适当增加硫化度,能缩短蒸煮的时间,提高纸浆的收获率,并改进其机械强度。但超过一定限度时(约30%~35%),则效果很小,甚至会增加未蒸解原料的数量,减少合格纸浆的收获率。
分子量:
CAS号:
性质:硫酸盐法制浆过程中蒸煮工艺条件之一。蒸煮液中硫化钠量对氢氧化钠和硫化钠总量的百分比(以氧化钠计算)蒸煮液中,加入硫化钠能加快脱木质素的反应速度,减少对纤维素的破坏。在固定总碱量下,适当增加硫化度,能缩短蒸煮的时间,提高纸浆的收获率,并改进其机械强度。但超过一定限度时(约30%~35%),则效果很小,甚至会增加未蒸解原料的数量,减少合格纸浆的收获率。
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参考词条