聚乙烯醇可用于生产维纶、聚乙烯醇缩丁醛和聚乙烯醇缩甲醛。
Polyvinyl alcohol can be used to produce vinylon, polyvinyl butyral, and polyvinyl formal.
本文论述了用机械发泡法制备聚乙烯醇缩甲醛泡沫塑料的工艺及其影响因素。
The preparation technology and its effect factors for polyvinyl formal foam plastic by way of mechanical foaming method were studied.
以聚丙烯酰胺与聚乙烯醇配成聚合物混合溶液，用甲醛和硼砂作为交联剂，形成一种双组分聚合物复合调剖剂体系。
A kind of complex profile control agent comprising bicomponent polymer was formed from polymer mixture comprising polyacrylamide and polyvinyl alcohol using formaldehyde and borax as the crosslinkers.
用红外光谱和其他测试方法对聚乙烯醇缩甲醛(PVFM)泡沫材料湿热老化前后力学性能、物理性能和化学结构的变化进行了研究。
The changes in mechanical and physical properties and chemical structure of polyvinyl formal (PVFM) foam caused by hygrothermal ageing tests were studied by means of IR and other measuring methods.
介绍了聚乙烯醇缩甲醛改性胶粘剂的制备方法。该胶粘剂具有粘度高，游离甲醛低，稳定性好的优点。
This paper introduced a preparation of modified polyvinyl formal adhesive. The adhesive has advantage of low free formaldehyde content, good viscosity stability and low temperature storage stability.
深入研究了聚乙烯酸缩甲醛的合成工艺，归纳了反应规律，提出了最佳工艺条件。
Deepening study was carried out of the synthesis of polyvinyl formal, its reaction law was summed up and optimum technological conditions were presented.
研究了在聚乙烯醇缩甲醛溶液中制备聚醋酸乙烯酯乳胶漆的方法。
The production procedure of polyvinyl acetate latex paint in polyvinyl formal solution was studied.
介绍了一种用聚丙烯酸酯和硅溶胶改性聚乙烯醇缩甲醛的制备方法和用途。
Preparation and usage of polyvinyl formal modified with polyacrylate and silica sol are introduced.
介绍了一种以聚乙烯醇缩甲醛为主体的烟花胶。它的制造工艺简单，采用此法制造的烟花胶粘接强度高，初粘性、热稳定性、耐冻性能好。
Polyvinylformal based adhesive for fireworks is introduced. It have advantages of simple technology. high bond strength. good initial tack. thermal stability and freeze resistance.
讨论了聚乙烯醇缩甲醛胶、聚醋酸乙烯酯胶、脲醛胶、淀粉胶的改性途径，介绍了各改性产品的配方及其性能比较。
Ways to modify the gels of polyvinyl formal, polyvinyl acetate, urea-formaldehyde and amylum are plesented and formulae and alternate properties of various modified products introduced.
在制备方法上利用聚乙烯醇缩甲醛溶液高温析水的性质，直接加入高岭土、轻质碳酸钙制胶，简化了工艺。
By using property of separating out water at high temperature for polyvinyl alcohol formaldehyde solution, kaolin and light calcium carbonate can be directly added, and technique is simplified.
本文通过对聚乙烯醇缩甲醛胶粘剂合成技术的改进，并把这项技术应用到啤酒生产线上，在生产实践中应用效果很好，适应了当前啤酒生产线贴标速度快的要求。
The improved adhesive agent for building use had been applied in beer production line, with good effect, and it meets the requirements for the fast label pasting in beer production.
本文通过对聚乙烯醇缩甲醛胶粘剂合成技术的改进，并把这项技术应用到啤酒生产线上，在生产实践中应用效果很好，适应了当前啤酒生产线贴标速度快的要求。
The improved adhesive agent for building use had been applied in beer production line, with good effect, and it meets the requirements for the fast label pasting in beer production.
应用推荐