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1)  C4~C6 mixed dibasic acid
C4~C6混合二元酸
1.
Mixed dimethyl esters are synthesized with by-product C4~C6 mixed dibasic acids by the traditional catalyst of sulfuric acid.
以工业副产物C4~C6混合二元酸为原料,采用传统催化剂浓硫酸合成混合酸二甲酯(DBE),确定了最优工艺条件:以100 g混合二元酸为基准,浓硫酸用量2 mL,回流分水3。
2)  C4~C6 polyols
C4~C6多元醇
3)  mixed binary acid
混合二元酸
1.
The mixed binary acid is a by-product obtained from producting monomer,adipic acid,for nylon-66.
混合二元酸是生产尼龙-66的原料己二酸的副产物,含有丁二酸、戊二酸和未能完全分离的己二酸及杂质。
4)  mixed dibasic acid
混合二元酸
1.
Polyamide-polyamine-epichlorohydrin (MPPE-1) is synthesized by mixed dibasic acid of nylon 66 by-product reacting diethylene triamine and epichlorohydrin.
利用中国神马尼龙66盐副产品混合二元酸〔含w(丁二酸)=24。
2.
One method is called combined concentration-hydroperoxide decomposition process for obtainingmixed dibasic acid; Another is called oxidation with nitric acid sequentially crystallization-vaccum distillationprocess for obtaining adipic acid,glutaric acid,succinic acid respectively.
分析了醇田装置副产物的生成过程和借鉴国外辞酮装置废酸水和皂化废碱液的回收利用技术,提出了合并浓缩、脱过氧化氢生产混合二元酸及硝酸后氧化、结晶、真空间歇精馏相结合分高己二酸、戊二酸、丁二酸的两种回收利用的工艺方法,并提出了两个工业化装置的设想,对治理废酸水提出了建设性意见。
3.
Mixed dimethyl esters(DME)were prepared using by-product mixed dibasic acids (DBA)and methanol as raw materials and self-made PW_(12)/SiO_2 as catalyst.
以工业副产物混合二元酸(DBA)和甲醇为原料,用自制PW_(12)/SiO_2作催化剂制备混合酸二甲酯(DME),确定了最佳制箭条件:甲醇与DBA摩尔比为3。
5)  mixed C4 hydrocarbons
混合C4烃
1.
The catalytic performances of the RE/HZSM-5 catalysts for the catalytic cracking of the mixed C4 hydrocarbons to produce light olefins were investigated.
用浸渍法制备了稀土改性HZSM-5分子筛催化剂(简称RE/HZSM-5),研究了RE/HZSM-5对混合C4烃(包括C4烷烃和C4烯烃)裂解活性及低碳烯烃收率的影响。
6)  C4 mixture
混合C4
1.
In order to make full use of the resources of mixed C4,the esterification of acetic acid with the C4 mixture (which were composed of 1-butene,n-butane and isobutane) was studied by using phosphotungstic acid as the catalyst.
为了充分利用C4资源,以磷钨酸为催化剂,研究了混合C4(含1-丁烯、正丁烷、异丁烷)和冰醋酸合成醋酸仲丁酯的反应。
补充资料:二十一碳二元酸
分子式:
CAS号:

性质:以5(6)-羧基-4-己基-2-环己烯-1-辛酸为主的混合物。由美国Westvaco公司开发。以妥尔油脂肪酸(油酸:亚油酸=1:1)与丙烯酸及碘在220~250℃反应制得。典型的特性为:酸值293;皂化值317;碘值62;二元酸含量92%;一元酸含量7%;不皂化物含量1%。密度(25℃)1.0241g/cm3。沸点205℃(27kPa)。用于织物柔软剂、清洗剂、润滑剂等制备。

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