Windeler A S
J Dent Res. 1978 May-Jun;57(5-6):697-701. doi: 10.1177/00220345780570050601.
A method is proposed to quantify the working time of zinc phosphate cement based on sequential measurement of viscosity. The method was used to measure the extension of working time resulting from reduced mixing temperatures. Premixing small amounts of powder prior to standard mix was shown to be ineffective at extending working time. The addition of water to the cement was shown not to affect working time but did decrease the setting time of the cement.
提出了一种基于粘度连续测量来量化磷酸锌水门汀工作时间的方法。该方法用于测量因混合温度降低而导致的工作时间延长。结果表明，在标准混合之前预混少量粉末对延长工作时间无效。结果表明，向水门汀中加水不会影响工作时间，但会缩短水门汀的凝固时间。
