1) hydroxymethyl
[hai,drɔksi'meθil]
羟甲基
1.
The ratio of ortho/para hydroxymethyl groups of modified resins estimated by()~1H-NMR and()~(13)C-NMR spectra ranges from 5.
通过1H-NMR和13C-NMR计算树脂分子结构中邻、对位羟甲基相对含量比,发现苯基苯酚型酚醛树脂的相对含量比(5。
2.
The effects of nanometer silicon dioxide on the free formaldehyde,viscosity,curing time,hydroxymethyl and bonding strength of UF resin of low F/U were studied,The results showed that free formaldehyde and hydroxymethyl decreased,viscosity and bonding strength of plywood increased when the nanometer silicon dioxide was added,which had little contribution to the curing time.
研究了纳米SiO2对低摩尔比脲醛树脂游离甲醛含量、粘度、固化时间、羟甲基含量及胶合强度的影响,结果表明:纳米SiO2的加入可降低脲醛树脂胶的游离醛含量,增大粘度,提高胶合板的胶合强度,使羟甲基含量略有降低,但对固化速度影响不
2) methylol
羟甲基
1.
The processability and thermal stability of methylol propargyl novolac resins(MPN resins) were studied,and the mechanical and thermal properties of MPN resins as matrices of silica laminate composites were characterized.
研究了羟甲基炔丙基改性酚醛树脂(Methylol propargyl novolac resin:MPN)作为复合材料基体的工艺性和耐热性,评价了其作为树脂基体的石英布层合板复合材料的力学性能和耐热性。
3) hydroxymethylation
[,haidrɔksi,meθi'leiʃən]
羟甲基化
1.
Chloromethylation and Hydroxymethylation of SEBS;
SEBS的氯甲基化及羟甲基化
2.
Analysis on modification of peat nitrification and hydroxymethylation from Zongyang of Anhui Province;
安徽枞阳泥炭硝化和羟甲基化改性分析
3.
The modification reaction included hydroxymethylation of gluten and cationic activation with epichlorohydrin.
采用廉价可生物降解的小麦谷朊蛋白为原料,经过羟甲基化和阳离子化改性合成类似聚酰胺聚胺环氧氯丙烷(PPE)的纸张增强剂。
4) high methylol group
高羟甲基
5) methylolation
羟甲基化
1.
Graft esterification of maleic anhydride onto methylolation carbon black surface;
炭黑表面羟甲基化及马来酸酐接枝研究
2.
A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure .
将合成出的具有特定结构的复合型固体碱催化剂 ,与溶有纯化碱木素的四氢呋喃建立起多相催化体系 ,对碱木素进行了多相催化羟甲基化作用。
6) Dehydroxymethylation
去羟甲基
补充资料：(-)反式-4R(4-氟苯基)-3R-羟甲基-1-甲基哌啶
分子式：暂无
分子量：暂无
CAS号：105812-81-5
性质：白色或类白色结晶性固体，不溶于水，溶于二氯甲烷。
制备方法：暂无
用途：暂无
分子量：暂无
CAS号：105812-81-5
性质：白色或类白色结晶性固体，不溶于水，溶于二氯甲烷。
制备方法：暂无
用途：暂无
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