Elimination of oily dyeing agent is composed of special fatty acid derivatives and surfactants. It has excellent effects such as oil removal, evenly dye, emulsification decentralization, etc. It is particularly suitable for the one -step method of removing the oil dyeing and dyeing of polyester and its mixed fabrics. , Can effectively prevent oil stains from agglomeration, improve the ability of decentralized dyes to dye, resist hard water and electrolytes, and still maintain good use effect on the dyeing under the recovery water. Uses is an alternative product of the mainstream dyeing agent in the market, adding tiles to the reduction of costs and efficiency of the dyeing factory
High temperature and uniform agent
Classification of high temperature and even dyeing agent
High -temperature uniform dyes are divided into non -ionic high -temperature uniform dyes, ion -type high -temperature uniform dyes, and yin/non -ionic complex high -temperature uniform dyes.
Non -ion -type high -temperature dyeing agents are mostly polyoxy ethylene ether structures. The polyoxyvanhene ether chain segment has an asymmetric two -parent structure. The preliminary dyeing rate of dyeing is reduced to the purpose of uniform dyeing. For low turbidity non -ion surface active agents, dyes can easily be associated at high temperatures. Therefore, non -ion high -temperature dyeing agents are rarely used alone.
The high -temperature dyeing agent of the anion type can be adsorbed on the surface of the dye particles to form a strong yin -charged layer. Due to the strong static exclusion force between the dye particles with electricity, it forms a stable dispersion state. The effect can reduce the problem of dyeing and the problem of dyeing. Acturavae and non -ion complex system have synergistic effects and efficiency effects, which can improve turbidity, improve high temperature dispersability, increase soluble effect and uniformity, and are also commonly used for preparation of high temperature and uniform dyes.
Biomass sources surfactants have the advantages of renewable and pollution -free, and have become an ideal choice for replacing the methamphetamine surfactant. Capitoline is derived from natural cashews. The benzene ring structure is connected to a lively hydroxyl group, and the hydroxyl group is replaced by unsaturated hydrocarbons. The lively phenol hydroxytic foundation in waistool is easily modified, and different types of surfactants are made. Among them, the widely used is lumbar phenol polyoxyethylene ether. Phenol does not cause ecological hazards and environmental pollution, and has become an ideal alternative to APEO in the field of textile printing and dyeing.
Cascus phenol surface active agent
Source and structure nature of casheophenol
Cascus is a pale yellow liquid extracted from natural biomass cashellite solution. The main components of cashews shell liquid are strong heart phenol, cashehenol, and cashewic acid. Cascus acid accounts for 70%of the total. Cascus phenols account for 5%. Essence Cascus phenol is obtained after heating the lumbar acid heating
The structure and composition of the lumbar phenol are shown in Figure 1.2. In the formula, R is a carbon chain of fifteen carbon. Each phenol has a structure of saturation, monocular, bisotino, and trotine. %, 16%, and 29%, different saturated olefin chains are cosmetic structures.
Research status of custard phenol surface active agent
Due to the natural attributes and structural characteristics of cashecol, custol can synthesize various surface active agents, which is an ideal alternative to the surface active agent of petroleum phenol. Due to the advantages of the lumbar phenol surface active agent, due to the advantages of their raw materials and good biodegradability, they are called "green" surfactants or biomass surfactants. Similar to the classification of surfactants, the category surfactant can be divided into two categories:
(1) Cascus phenol -based non -ions surface active agent
Cascus phenol -based non -ionic surfactants are mainly used for emulsifiers, wetting agents, detergents, and agglutants.
(2) Cascus phenol -based ion surface active agent
① Blood ion
The study of custard phenolinycopic ionic surfactants is concentrated in sulfonate, carboxylic acid salt, polyether sulfate salt and polyether carboxylic acid surfactant, which is mainly used for emulsifiers and anti -pollutants.
Cascus phenoline ionic surface activated agent is mainly used for disinfection sterilization and fabric softness.
Cascus -phenol bisexual ionic surfactant is mainly used for emulsifiers.
The development and research status of high temperature and even dyeing agents
Polyester fiber is the largest synthetic fiber in the world's largest output and the most widely used field. Due to the tight molecular structure of polyester fibers, many crystalline areas, strong hydrophobicability, and lack of active groups combined with dyes. Dyeing is basically adopted by high temperature and high pressure. In order to save resources and improve labor productivity, it is mostly used to use small baths to be high -temperature and high -pressure staining methods. However, fast dyeing can easily cause dyeing unevenness. Therefore, high -temperature dyeing agents need to be added. The renewal of high -temperature and high -pressure chromators is more and more required for chromosomal baths, and the requirements for the selection of high -temperature dyeing agents are getting higher and higher.
Early high -temperature and even high -temperature dyeing agents were mostly alkylphenol polyoxide ether surfactants. These high -temperature uniform dyes contain the APEO structure. However, APEO has great harm to biology and environment; Biostatic, biodegradation is 0%to 9%. It is toxic for the environment, and degradation of byheels is susceptible to cancer and high toxicity.
In recent years, human environmental awareness has gradually strengthened. Textile environmental protection has become the hotspot of producers and consumers. The content of APEO is an important indicator of environmental protection in international textile trade. The type of environmental hormone produced by textile dyeing aids accounts for 37 % of the internationally recognized hormones. Among them, alkyl phenol polyoxyethylene ether (APEO) has high content in textile detection, with 30 to 100 mg/kg. The raw materials currently used to prepare high -temperature dye contains APEO. Therefore, researchers at home and abroad have developed and studied commercial high -temperature uniform dyes.
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