1) random chain scission mechanism
无规解聚
2) Random degradation
无规降解
1.
The results showed that the irradiation degradation of chitosan obeys the rule of random degradation.
结果表明 :壳聚糖在γ射线照射下发生的辐射降解遵循无规降解动力学规律 ;降解过程中壳聚糖的脱乙酰化度略有升高 ;降解反应主要由壳聚糖分子链上的 C1 — O— C4键断裂引起 ,在降解过程中生成了 δ-内酯结构的端基 。
4) Random copolymer
无规共聚
1.
A New Type of Green Environmental Protection Pipe──Random Copolymerized P olypropylene Pipe;
新型绿色环保管材—无规共聚聚丙烯管材
2.
The living free radical random copolymerizations of styrene with methyl methacrylate initiated by benzoyl peroxide(BPO) were studied in the presence of TEMPO(2,2,6,6-tetramethylpiperidinyl-1-oxy) with the addition of malononitrile(MN).
研究了少量丙二腈对稳定自由基(TEMPO)存在下苯乙烯(St)和甲基丙烯酸甲酯(MMA)无规共聚的影响,发现丙二腈对于该共聚体系具有明显的加速效果。
3.
This paper studied the structural characterization and processing technique of a random copolymer of propylene special resin E-003, which made by FuShun Ethylene Chemical Co.
对抚顺乙烯化工有限公司生产的无规共聚聚丙烯 (PP -R)专用料E - 0 0 3进行了结构表征及加工应用。
6) random copolyether
无规聚醚
1.
Compared with random copolyethers,the wetting ability,emulsifying power,foam disappearing rate and solidifying temperature of block copolyethers BPE with PO block connecting to butoxyl group increase respectively by 30 times,1 time,4 times and 36 ℃,meanwhile the cloud point,surface tension,foaming ability and heat stability decrease by 32 5 ℃,8 2 mN/m,1 5 times and 55% .
与无规聚醚相比 ,PO嵌段与丁氧基相连的全嵌段聚醚BPE的润湿速度、乳化力、泡沫消失速度和凝固点分别提高 30倍、1倍、4倍和 36℃ ,浊点、表面张力、形成泡沫高度和热稳定性分别降低 32 5℃、8 2mN/m、1 5倍和 5 5 %。
补充资料：规规
1.浅陋拘泥貌。 2.圆貌。多形容日月。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条