1、

Domestic developed technologies for utilization of hydrogen, ethylene, propylene and butylenes in refinery gas are reviewed.

简述了我国炼厂气中氢气、乙烯、丙烯和丁烯等资源的综合利用技术。

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2、

Polypropylene speciality resin that met performance specification of the hot pack bottle was synthesized with taking random copolymer of propylene as base resin and introducing transparent agent in small quantity.

以无规共聚聚丙烯为基础树脂,添加少量透明剂,生产出符合热灌装瓶用树脂性能要求的专用树脂;

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3、

The Chemistry of α-Oxo Ketene Cyclic Dithioacetals ( XXXI) ── Studies on the conjugated addition of α-Cinnamoyl Ketene-1, 3-Propylene-dithioacetal with Grignard Reagents

α-氧代烯酮环二硫代缩酮化学(XXXI)&α-肉桂酰基乙烯酮缩1,3-丙二硫醇与Grignard试剂的共轭加成反应

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4、

Ring opening alternating copolymerization of phthalic anhydride and propylene oxide by nd ( naph) 3 al ( I bu) 3

Nd(naph)3-Al(i-Bu)3催化邻苯二甲酸酐与环氧丙烷交替共聚

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5、

As the activating agent of the PP equipment can blaze up by itself when it meets air, leading to the combustion of propylene& PP filter materials when changing the filter bags every time.

由于PP装置系统活化剂遇空气可自行燃烧,导致F301循环气过滤器在每次更换滤袋时丙稀+PP过滤材料随之燃烧,危害很大。

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6、

Influence of Catalytic Reaction Conditions on Epoxidation of Propylene with Cumene Hydroperoxide

过氧化氢异丙苯环氧化丙烯的催化工艺

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7、

Otherwise, the cracked gas yield and propylene selectivity will go up.

相反,则裂化气产率和丙烯选择性提高。

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8、

The Process Progresses of Olefin Metathesis Technology in Boosting Propylene Production

烯烃歧化技术在增产丙烯方面的工艺进展

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9、

The experimental results of disproportionation of propylene on WO_3-SiO_2 catalyst to form ethylene and butylenes were reported.

报道了在wo3-SiO2催化剂上丙烯歧化制乙烯和丁烯的试验结果。

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10、

13.71% ethylene, 21.45% propylene and 11.34% butylenes were obtained under a reaction temperature of 610 ℃;

在兼顾乙烯和丙烯生产的操作条件下,乙烯、丙烯和丁烯产率分别达到13.71%、21.45%和11.34%;

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11、

Predict 2000, project kind adhesive, chlorin glue and propylene latex glue will have bigger growth.

预计到2000年, 工程类胶粘剂 、 氯了胶及丙烯乳液胶将有较大增长.

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12、

Glycol monomethyl ether , propylene glycol monomethyl ether, ethanol , and eth yleneglycol monophenylether were used as solvents.

选择丙二醇甲醚, 乙二醇甲醚,丙醇,一半乙二醇甲醚一半乙醇, 乙二醇苯醚作为溶剂.

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13、

The usual thinners are water, ethanol, isopropanol, ethylene glycol monobutyl ether, and propylene glycol monomethyl ether.

分散所用的稀释剂通常有水 、 乙醇 、 异丙醇 、 乙二醇单丁醚和丙二醇甲醚等.

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14、

The catalytic systems and their main results of propane oxidative dehydrogenation to propylene are reviewed.

综述了丙烷氧化脱氢制丙烯反应催化剂体系及其主要研究结果.

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15、

The dewax rate is controlled by the diffusion of paraffin wax in poly propylene.

热脱蜡的动力学控制步骤为石蜡在聚丙烯中的扩散过程.

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16、

The blend of acrylate rubber ( ACM ) and ethylene propylene diene terpolymer ( EPDM ) was prepared.

以丙烯酸酯橡胶 ( ACM ) 和三元乙丙橡胶(EPDM ) 为主要原料制备共混材料.

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17、

Liquid EPDM is the ethylene-propylene-diene polymer with relatively low molecular weigh, so it has low viscosity.

液体EPDM(三元乙丙橡胶)是相对低分子量的乙烯 - 丙烯二烯三元共聚物, 因此具有低粘度.

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18、

Ethylene-propylene-diene rubber ( EPDM ) was filled with nano-CaCO 3 which was in-situ modified by methacrylic acid ( MAA ).

使用甲基丙烯酸 ( MAA ) 原位改性纳米CaCO3填充三元乙丙橡胶 ( EPDM ),制备了纳米CaCO3增强EPDM硫化胶.

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19、

Using macroporous strong acidic cation resin as catalyzeramdphenol and propylene as raw materials, alkylphenol was synthesized.

采用大孔强酸阳离子交换树脂作催化剂,以苯酚和丙烯四聚物为原料, 催化合成烷基酚.

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20、

At present, our country, the production plant of propylene oxide is of low level of automation.

目前, 我国的环氧丙烷生产装置其自动化程度不高、DCS系统 大多没有充分发挥作用.

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