Polyurethane foam wastes were recycled by alcoholysis with 1, 2-propanediol . Polyol and amine compound were gained.

A simple and efficient way to prepare PIPA polyol was exploited according to the much attempt.

通过大量实验寻找出简易、有效制备PIPA多元醇的工艺,并通过红外测试证实了产物的合理性.

The role of polyoxyethylene triol, rosin polyester polyol and asphalt in asphalt-polyurethane rigid foam was stressed.

重点介绍了聚氧乙烯三醇 、 松香芳烃聚酯多元醇在配方中的作用.

Field using shows that optimized drilling fluid system " polyol-positive colloid polymer drilling. "

本文介绍了聚合醇 - 正电 胶聚合物钻井液在中原油田水平井中的设计与应用.

The manufacturing process and the reaction mechanism of polyether polyol are resumed.

概述了聚醚多元醇的生产过程及反应机理.

A environmentally friendly two-component polyurethane adhesive was prepared from polyether polyol, toluene isocyanate and MOCA.

以聚醚多元醇、环氧树脂 、 甲苯二异氰酸酯和MOCA为原料制得了双组分环保型聚氨酯胶粘剂.

The melamine-polyurea polyol provided good foam collapsed hardness, and excellent foam fire retardancy for HRPUF.

三聚氰胺聚脲多元醇为其泡沫提供了优良的泡沫压陷硬度和阻燃性.

The properties, modification and application of polyolefin elastomers were introduced in theis paper.

介绍了新型弹性体材料———聚烯烃弹性体的性能特点, 改性增强及应用.

The synthesis and application of functional polyolefin are reviewed.

介绍了功能化聚烯烃的合成方法和应用情况.

They can be used as edible films or surface coatings on the polyolefin films.

壳聚糖涂层复合薄膜用于活性包装具有巨大的潜力.

The characteristics of polyolefin elastomer ( POE ) and its applications in general purpose plastics-polypropylene are introduced.

介绍了新型聚烯烃弹性体 ( POE ) 的优异特性,综述了POE与通用塑料聚丙烯共混改性的研究进展.

One of many polyolefin thermoplastics. Usually in exterior quality thermoplastic powder coating.

众多的热塑性聚烯烃之一, 常用于户外的热塑性粉末涂料.

Application of polyolefin alloy product was briefly introduced.

介绍了目前反应器聚烯烃合金产品及其应用情况.

Effects of polyolefin resin , light conversion agent, light stabilizer anti fog agent and agent etc.

阐述聚烯烃树脂 、 转光剂、光稳定剂 、 流滴剂、着色剂等对转光效能的影响.

Polyolefin applications such as wiring & cables and electrical parts, need to pass specific FR regulations.

聚乙烯用在电线电缆和电气部件中时, 必须通过某些特定的阻燃标准.

The latest development of polyolefin catalyst is detailed in this paper.

阐述了聚烯烃催化剂的最新进展.

Finally, the application of the functional polyolefin is also described.

最后概述了功能化聚烯烃的应用.

Objective To study the diagnosis and the therapy for bleeding polyp in paranasal sinus.

目的探讨诊断治疗鼻窦出血性息肉的方法.

Methods: Retrospective analysis of all cases cervical polyp from January 1988 to September 2003.

方法对1988年1月-2003年9月间所有宫颈息肉病例作回顾性分析.

Mushroom coral is formed from a single polyp, instead of a colony of polyps.

蘑菇珊瑚成形来自于单一的水虫息, 而不是群体的水虫息.

By remoing the polyp at this stage, it preents it from becoming cancerous.

在这一阶段切除了息肉, 就能防止病变恶化.