A modified asphalt adhesion agent was made using petroleum asphalt as base materialbutyl rubber as modifierrosin resin as tackifier and mica powder as filler. 以石油沥青为基料,采用丁基橡胶为改性剂,改性松香树脂为增粘剂,云母粉为填料,制成一种改性沥青胶粘剂。
This paper points out that the development of petroleum asphalt must be conjuncted with the petroleum refining, crude oil production and utilization of petroleum asphalt at first. 本文提出了发展我国石油沥青首先应与炼油、原油开采及石油沥青使用部门相结合。
Technology standard of petroleum asphalt coating for buried steel pipeline 埋地钢质管道石油沥青防腐层技术标准
The results showed that genetic features of the oil with Lower Jurassic Yan'an Formation and Middle Jurassic Zhiluo Formation and the petroleum asphalt with Triassic Yanehang Formation was similar; 结果表明:侏罗系下统延安组石油、侏罗系中统直罗组石油与三叠系延长组石油有相近的成因特征;
Requirements of Petroleum Asphalt for Road Pavement 应对道路石油沥青技术要求新规范
Petroleum asphalt polyurethane waterproofing paint is a dually chemical reaction consolidated waterproofing one of high elasticity and high elongation. 石油沥青聚氨酯防水涂料是双组分化学反应固化型高弹性、高延伸率的防水涂料。
A moisture curable one component waterproof coatings was prepared from polyether polyols, petroleum asphalt, toluene diisocyanate, diluent and a compatibility modifier, etc. 以聚醚多元醇、石油沥青、甲苯二异氰酸酯、稀释剂及相溶化助剂等为原料,制备了一种湿固化单组分防水涂料。
Experimental Research of the Carcinogenic and Mutagenic Effects of Petroleum Asphalt 石油沥青致突变和致癌作用的实验研究
An experimental study on toxicity and mutagenicity of petroleum asphalt 石油沥青毒性及致突变性实验研究
Objective To study and work out hygienic standard of petroleum asphalt fume in the air of workplace. 目的研究制订车间空气中石油沥青(烟)卫生标准。
The study is made on produce colored two-component polyether PU waterproofing coating using petroleum resin replacing petroleum asphalt. The product has better property and decreases the environment pollution. 研究用石油树脂代替石油沥青生产彩色双组分聚醚型聚氨酯防水涂料,其产品性能优良,并减少了环境污染。
Samples were collected in lab for civil coal combustion and in field for coke plant and petroleum asphalt, 13 polycyclic aromatic hydrocarbons ( PAHs) were determined by GC/ MS. 利用模拟实验采集了民用燃煤污染源样品,在现场采集了焦化厂和石油沥青两类污染源样品,用GCMS联用技术测定了样品中13种多环芳烃。
Because it is difficult to distinguish between petroleum asphalt polyurethane ( PU) waterproofing coating and coal tar PU waterproofing coating which is prohibited by the State, that makes the product market confused. 由于国家禁止使用的煤焦油聚氨酯防水涂料与石油沥青聚氨酯防水涂料较难分辨,使得聚氨酯防水涂料市场较为混乱。
Characteristics and development of petroleum asphalt in high-grade highway 高等级公路石油沥青的特点及其发展
Low surface wettability and bulk density of petroleum asphalt are effectively solved by the use of a kind of surfactant and different particles distribution in the experiment. 实验中通过添加表面活性剂以及采用不同的粒度配比,有效地解决了石油沥青表面润湿性能差和具有较低堆密度的缺点。
Some suggestions for development of petroleum asphalt in China 对发展我国石油沥青的几点建议
The preparation process and product properties of a new kind of one-component moisture curing petroleum asphalt polyurethane waterproof coatings were introduced. The selection of the raw materials and influencing factors in the formulation process were discussed. 介绍了一种新型湿固化单组分石油沥青聚氨酯防水涂料的制备工艺和产品性能,并且对工艺配方中原料选择和影响因素进行了讨论。
Conclusion: Petroleum asphalt is a slight toxicity substance. 结论:石油沥青急性经口属微毒物质,在常温及非高温加热融化情况下,不具有动物致癌作用。
The petroleum asphalt production and demand in 2000 2000年我国石油沥青产需预测
It is the rich in content of Asphaltenes and Resin that the natural asphalt can improves the composition and property of the road petroleum asphalt so that the modified asphalt binder and mixture get some good performances. 天然沥青具有高含量的沥青质和胶质,其掺入石油沥青中能够改善基质沥青的组成和结构,从而使改性沥青及其混合料获得良好的路用性能。
Evaluation on Performance of Petroleum Asphalt Coating for Long Distance Gas Pipeline in Sichuan 四川天然气长输管道石油沥青绝缘层防护性能评价
Blending of coal tar pitch with petroleum asphalt for paving materials 煤沥青与石油沥青共混作筑路材料
Study on the preparation of petroleum asphalt-coal-water slurry 煤与沥青混合制浆的实验研究
Study of Road Petroleum Asphalt by Dynamic Machine Analysis 道路石油沥青动态热机械分析研究
Study on Manufacture of Carbon Catalyst Support from Petroleum Asphalt 石油沥青制备炭质催化剂载体的研究
Crude oil from Xinjiang, with low wax and high gum asphaltene content, is a sour intermediate naphthenic base crude oil; it is a quality raw material from which low condensation point transformer oil and road petroleum asphalt are produced. 南充炼油化工总厂引进加工的新疆原油蜡含量低,胶质沥青质含量高,属含硫中间环烷基原油,是生产低凝点变压器油和道路石油沥青的优质原料;
By guessing methodology, the aging mechanisms of petroleum asphalt protection layer in long-distance pipelines were analyzed and some phenomenon in the aging process were explained, which provided a good approach for studying the aging process of petroleum asphalt layer of long-distance pipelines. 以猜想方式描述分析了埋地长输管道石油沥青防护层的老化机理,解释了石油沥青防护层老化过程中实际存在的一些现象,为研究探讨长输管道石油沥青防护层老化过程提供了思路。
Hard asphalt is a low grade of asphalt, including a variety of craft production of petroleum asphalt and natural asphalt, such asphalt which has low needle, high softening point and large viscosity, has good high temperature stability. 硬质沥青是一种低标号的沥青,包括各种工艺生产的石油沥青及天然沥青等,该类沥青针人度低,软化点高,粘度大,有良好的高温稳定性。
Road asphalt mainly including bituminous petroleum asphalt and coal tar pitch. 路用沥青主要包括石油沥青和煤沥青。
For prices and production reasons, coal tar pitch would be instead of petroleum asphalt for road construction. 由于价格和产量原因,煤沥青将代替石油沥青用于路面建设。