诺维信酶制剂在无磷洗衣粉中的应用研究

在4种市售无磷洗衣粉和一种皂粉中对诺维信新型全效酶Totalase与三元复合酶Sav/Term/Cell7 2/24/0 14T的洗涤性能进行了比较,以Totalase作为洗涤剂用酶通过L16(42×29)和L9(34)正交实验对无磷洗衣粉配方进行了优化,筛选出较优配方。用实际洗衣机洗涤试验,验证了配方优化研究的结果。结果表明,在有限成本内酶制剂是提高无磷洗衣粉洗涤效果和改善白度保持性能的有效组分。     

地沟油生产无磷洗衣粉的研究

研究对脱色后地沟油皂化产物用于生产无磷洗衣粉的工艺做了探索。以地沟油脱色后的皂化产物、对环境无害的新型无磷复配洗涤助剂和表面活性剂为原料,制成无磷洗衣粉。经正交实验优选出适用于宾馆、饭店洗涤棉织物为主的重垢型无磷洗衣粉的最佳配方。测试结果表明,优选配方的性能和市售洗衣粉的性能相当,主要技术指标符合国家标准。本研究以脱色后地沟油的皂化产物为原料,降低了产品的成本,又缓解了地沟油对环境保护带来的压力。     

应用4A沸石开发低磷,无磷洗涤用品

对４Ａ沸石结构、性能和配伍性进行了研究，通过正交试验，筛选出低磷、无磷洗衣粉配方，并结合工艺条件进行了改进。解决了洗衣粉成型差、颗粒易破碎、风送管道易堵塞等问题。经测试，灰分沉积率与普通粉无明显差别。用４Ａ沸石作为五钠的代用品生产的低磷、无磷粉具有显著的社会经济效益。     

诺维信酶制剂在无磷洗衣粉中的应用研究(Ⅰ)

研究考察了3种诺维信洗涤用酶制剂(Sav4.0T,Sav/Term4.8/12T,Sav/Term/Cell7.2/24/0.14T)对4种市售无磷洗衣粉(A ,B ,C ,D)和一种皂粉(E)去污力性能影响的一些实验及讨论。实验以试样对5种人工染污布的去污比值表征其初次去污力 ,以试样对5种人工染污布去污力的综合评价确定了诺维信3种酶制剂在无磷洗衣粉中的适用性及价值。而关于最新酶产品对无磷洗衣粉去污力的提高、抗再沉积性能的改善等作用将在续篇里做更详尽地讨论     

诺维信酶制剂在无磷洗衣粉中的应用研究(工)

研究考察了3种诺维信洗涤用酶制剂(Sav 4.OT,Sav/Term 4.8/12T,Sav/Term/Cell 7.2/24/0.14T)对4种市售无磷洗衣粉(A,B,C,D)和一种皂粉(E)去污力性能影响的一些实验及讨论.实验以试样对5种人工染污布的去污比值表征其初次去污力,以试样对5种人工染污布去污力的综合评价确定了诺维信3种酶制剂在无磷洗衣粉中的适用性及价值.而关于最新酶产品对无磷洗衣粉去污力的提高、抗再沉积性能的改善等作用将在续篇里做更详尽地讨论.     

Properase在中国无磷洗衣粉中的应用(摘要)

比较了Properase 碱性内切蛋白酶跟传统碱性蛋白酶在一种典型的中国式无磷粉中的去污性能 ,结果显示 ,在所测试的各种国内水洗条件下 ,含Properase的无磷洗衣粉对蛋白类污垢的去污能力最强。     

无磷洗衣粉的质量状况与洗衣粉标准的修订

根据1999年和2001年两次无磷洗衣粉的国家产品质量监督抽查结果。对无磷洗衣粉的质量状况从表面活性剂，去污力，总有效成分，pH值和执行标准等5个方面进行了对比分析。解析了造成无磷粉市场产品质量下降的原因。提出从市场监管，宣传和标准的修订等方面共同采取措施。提高无磷洗衣粉的质量。并对洗衣粉国家标准的修订提出了部分改进意见。     

提高普通无磷洗衣粉质量和香气表现的探讨

随着国内无磷粉的产量日益增大,以及消费者对高性能价格比无磷粉产品的期望,无磷粉的技术问题重新摆上桌面.本文将回顾无磷洗衣粉主要成分,包括洗衣机理、活性成分、助剂、香精等对提高无磷洗衣粉质量进行探讨.     

无磷重垢液体洗涤剂的研制

利用正交试验法中的L9(3^4)正交表，对4种不同的表面活性剂设计了一套实验方案。通过测试其白度值，对它们在复配中的相互作用和去污性能进行了分析和研究，从而确定了一组最佳的复配配比。将这个最佳配比做为无磷重垢液体洗涤剂的主要成份，通过合理的添加助剂，最终得到了一个去污性能与部分市售洗衣粉相当，抗再沉积性和易漂洗性都优于洗衣粉的低泡重垢液体洗涤剂。     

羧甲基淀粉助洗性能的研究(摘要)

研究了两次加碱干法工艺制备羧甲基淀粉(CMS)。研究了其对Ca2 离子的封锁能力和固体模拟污垢MnO2的悬浮分散能力 ,以及用CMS作抗沉积剂的标准洗衣粉、含磷洗衣粉和无磷洗衣粉的抗再沉积性、去污力。实验证明 :其取代度(DS)越好 ,效果就越高 ;它比羧甲基纤维素钠盐(CMC)性能好 ,尤其是洗涤化纤织物和配制无磷洗衣粉效果更加突出 ;将CMS和CMC复合使用比单独使用任何一种效果更为突出。     

中国无磷洗涤剂的发展和现状

回顾了无磷洗涤剂在中国的发展,包括配方研究、标准等,讨论了中国水硬度、无磷洗涤剂区域的扩大情况、有关无磷洗涤剂的争议、中国水体富营养化的现状以及无磷助剂的现状.     

合成洗涤剂助剂的发展与应用

文章论述了合成洗涤剂助剂的使用功能及产品分类。通过对以三聚磷酸钠为主的磷酸盐类助剂给水质造成污染的分析，肯定了合成洗涤剂助剂无磷化发展方向。重点说明了4A分子筛为代表的5种无磷助剂的使用特性，并对近年开发的亚胺磺酸盐与MD-306无磷助剂的助洗作用进行了介绍。     

Experimental design for optimization of peroxide formulation stability and cost

Cleaning formulations typically contain, in addition to surfactant, a bleaching agent that is usually hydrogen peroxide. This active agent has the disadvantage that it becomes unstable with time, which necessitates the use of various additives in the formulation to ensure its stability. In this work, a study of the different types of surfactants, chelating agents, radical scavengers, stabilizers, and solvents commonly used in the bleaching industry, was made to identify the mixture that better stabilizes an aqueous solution of hydrogen peroxide. The strategy used starts with a screening step based on a hyper-Greco-Latin square design. In subsequent steps, a Box-Wilson design is used to construct a response surface model to identify the composition ensuring the highest possible stability in the formulation. A desirability function is then obtained that allows the stability of the formulation to be maximized and its cost simultaneously minimized. Such a function is optimized using the Nelder-Mead algorithm. The stability study was made by heating the mixtures at 60°C for variable periods of time. A mixture containing four of these additives was found to provide the best stability, and the solvent did not have any effect on the stabilization. However, this mixture exceeded the expectations in terms of cost, so the composition was adjusted to obtain the best compromise between stability and cost. As the stabilizer is the more expensive additive, in this optimization step its composition was reduced. In the final formulation, the stabilizer concentration can be reduced by up to 23% with respect to that obtained in the previous step without detracting from stability, thereby saving 18.8%.     

Optimization of the Functional Characteristics of Cleaning Products Through Experimental Design

To optimize a benchmark commercial dishwashing formulation, this paper presents a fractional factorial design procedure coupled with a mixture design in order to obtain a formulation with better properties and cost, as well as to provide an example of quick formula optimization that may also be useful for other cleaning and personal hygiene sectors. First, a fractional factorial design was performed to determine the significant effects for each response variable: viscosity, performance, foaming, and Krafft temperature. Then, a mixture design was used to determine the compositions that feature the best results for each property of interest. The determined compositions that meet the requirements with 90–95% confidence showed that improvements in the compositions can be adopted. It was possible to estimate compositions based on commercial formulations that meet the same cost per kilogram of product but with gains in detergency, foaming, and viscosity volume.     

Optimizing Detergent Formulation with Enzymes

Enzymes have been widely used in modern detergents. However, few studies deal with research on enzyme dosage as well as its relationship with other ingredients within detergent products. This paper compares the washing performance of Chinese phosphate and non-phosphate detergent before and after adding different enzymes and additives on the various types of swatches. The results confirmed that the detergent washing performance with enzymes added improved significantly for the specific stain soil. And within a certain range, the detergent washing performance and enzyme content have positive correlation. Furthermore there is synergy of soil removable ability between protease and amylase. Meanwhile the citric acid and various additives with enzymes can effectively compensate for insufficient of non-phosphate detergent.     

WS—Y型盐酸水解淀粉胶粘剂的研制

根据胶粘剂市场发展和需要，研制出盐酸水解淀粉胶粘剂。文中对材料选择，配方设计和工艺条件进行了论述。各项性能指标进行了测试和试用，实验证明，效果良好。     

微型车轮胎胎面胶配方的研究

试验研究微型车轮胎胎面胶配方。结果表明:通过采用全SR的生胶体系对胎面胶配方进行改进,可提高硫化胶的耐磨性能,成品轮胎的高速性能和耐久性能满足国家标准要求;其中生胶体系采用SBR1712E/BR9000并用的配方胶料综合性能较优,可降低原材料成本。     

Facile Hydrothermal Synthesis of Hierarchical Sodium P Zeolite as a Nonphosphate Detergent Builder

This study reports the preparation of hierarchical NaP zeolite with the aim of obtaining a non-phosphate detergent builder as an alternative for environmental remediation from eutrophication phenomenon. Hierarchically structured NaP zeolite was easily synthesized hydrothermally and under different syntheses conditions. Samples were characterized using several standard techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) spectroscopy, and N₂ adsorption–desorption analysis. Three powder detergents were prepared by mixing main components such as linear alkylbenzene sulfonate, sodium sulfate, sodium silicate, and sodium carbonate as well as different amounts of as-synthesized zeolite and sodium tripolyphosphate in the detergent formulation as potential detergency builders. Some different detergency tests as pH value, water insolubility, foam height, moisture content, alcohol insolubility, and surface tension measurement were carried out for all synthetic detergent samples and two commercial ones. The results demonstrated that the high cleaning performance of the powders was obtained as using eco-friendly zeolite builders in comparison with phosphate-based commercial and synthetic detergent samples.     

酶与中国洗涤剂工业的发展

论述中国加酶洗涤剂的发展历程。目前酶制剂正在成为市场竞争的有力武器 ,利用它推出新品、提高产品质量和优化产品性能 /价格比。酶制剂可成为中国洗涤剂组成的明日之星 ,为中国洗涤剂工业发展作出更大贡献。