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With the increasing demand for functional textiles in the country, functional textile additives have also been vigorously developed, especially water-repellent agents, water-repellent and oil-repellent finishing agents or three-repellent finishing agents. According to the current market situation, in the next few years, waterproofing agents will be a qualitative improvement. In the field of waterproofing agents, the most widely used fluorinated waterproofing agents (C8 waterproofing agents,C6 waterproofing agents) and non-fluorinated waterproofing agents (non-fluorinated waterproofing agents) are currently on the market. So what are the similarities and differences between these three? Below I will from several aspects with you to understand.
Fabric waterproof effect
Whether it is carbon eight waterproofing agent or carbon six waterproofing agent, it belongs to the most widely used fluorine system waterproofing agent on the market. The most common non-fluorinated water repellent is the fluorine-free water repellent we often say, and some are called "imitation ecological water repellent."
Fluorine waterproofing agent (C8 waterproofing agent/C6 waterproofing agent) has different degrees of waterproof effect and oil proof effect, and C0/fluorine-free waterproofing agent is only waterproof function, the function is relatively single. According to many years of research data and actual production, the effect of C8 waterproofing agent is better than C6 waterproofing agent and C0/fluorine-free waterproofing agent. And under normal circumstances, under the same conditions, the effect of C6 waterproofing agent is also better than that of C0/fluorine-free waterproofing agent. If you use a simple arrangement, the waterproof performance of these three can be expressed as: C8 waterproofing agent > C6 waterproofing agent > C0/fluorine-free waterproofing agent. Of course, with the in-depth study of C6 waterproofing agents and C0/fluorine-free waterproofing agents, in the future, the effect is comparable to that of C8, and the results are close to that of C6 waterproofing agents.
Environmental Protection
In the past, these three main waterproofing agents can participate in the import and export trade, but on April 1, 2015, the latest environmental requirements of OEKO-TEX Standard 100 stipulates that the PFOA and PFOS content of fluorine waterproofing agents must be less than 1ug/㎡, and C8 waterproofing agents are doomed to be eliminated by the market. Because the PFOA and PFOS content in C8 waterproofing agent is basically maintained at 70-80ug/㎡, the prohibited substances seriously exceed the standard and do not meet the requirements of environmental protection. And as early as 2012, the United States, Norway, Degay and other regions have begun to ban C8 waterproofing agents. According to the current international testing standards, the PFOA and PFOS content in C6 waterrepellent is lower than the detection limit of 1ug/㎡, which cannot be detected, and is fully in line with the international import and export trade standards for all kinds of textiles. In other words, that is, so C6 water repellent is environmentally friendly, and the US EPA clearly declared that C6 is not a regulated product and can participate in trade. C0/Fluorine-free water repellent does not contain fluorine and PFOA/PFOS substances, of course, belong to environmental protection products, can participate in trade.
Sensitivity to The Windproof Fabric
Whether the waterproof agent can play the best waterproof effect on the fabric, in addition to the performance of the waterproof agent itself, but also has a close relationship with the treatment of fabric and technology. Waterproof finishing, belongs to functional finishing, can even be said to be fine chemical finishing. Fabric waterproof finishing, often requires the surface of the treated fabric smooth, and even must remove all the residual additives on the pre-finished fabric, such as: wetting agents, dyeing AIDS, slurry residues, softeners and other surfactants. This is actually related to the carbon chain structure of the water repellent. Literally speaking, the C8 waterproofing agent has 8 carbon chains, the C6 waterproofing agent has only 6 carbon chains, and the C0/fluorine-free waterproofing agent is a waterproofing agent without carbon molecules. Of course, the more carbon chains, the more stable the intermolecular structure, and of course the stronger the adaptability to residual impurities in the fabric. Among these three, the carbon eight waterproof agent is the most stable, followed by the C6 waterproof agent, and the biggest impact is the C0/fluorine-free waterproof agent. This is also why when the C8 waterproof agent is banned, most of the functional finishing brand manufacturers have chosen C6 waterproof agent as a substitute
1. The same kind of fabric needs to achieve the same effect.
If the same fabric under the same conditions, the use of these three waterproofing agents need to achieve the same effect, then in terms of the amount of C8＜C6＜C0/fluorine-free waterproofing agent; That is, the amount of C0/fluoride-free water repellent is the largest, and in general, the unit price of C0/fluoride-free water repellent is also higher. In this way, in the next few years, C6 water repellent is more hot
2.Process:
In fact, from the perspective of mass production, there is no obvious difference in the process of C8, C6 and C0/fluorine-free waterproofing agent, which basically need to be baked to produce cross-linking effect. Simply put, the waterproof agent gives the waterproof effect to the fabric, that is, the cross-linking occurs on the fabric, and the temperature, baking time, waterproof agent, and pretreatment fabric are required to fully cooperate to achieve optimization.
Through the analysis of the above aspects, we know the advantages and disadvantages of the three types of products. Yes, the effect of C8 waterproof is significant, but due to environmental problems, it can only be replaced by C6 and C0/fluorine-free waterproofing agent, so textile fabric enterprises must choose the most suitable products according to the actual needs of the company.
In fact, according to the above analysis, it is not difficult to see that the C8 waterproof agent has greater advantages in terms of effect and finishing process. However, in terms of environmental protection, it has been subjected to international environmental protection barriers and is destined to be banned globally. Of course, in another direction, this is also the running-in of human production and the natural environment. We can only adapt to the environment and the laws and regulations. According to many aspects, C6 waterproofing agents and C0/fluorine-free waterproofing agents will be greatly improved in the next few years. Textile fabric enterprises must choose the most suitable products according to the actual needs of the company, and strain in advance.
Fabric waterproof effect
Whether it is carbon eight waterproofing agent or carbon six waterproofing agent, it belongs to the most widely used fluorine system waterproofing agent on the market. The most common non-fluorinated water repellent is the fluorine-free water repellent we often say, and some are called "imitation ecological water repellent."
Fluorine waterproofing agent (C8 waterproofing agent/C6 waterproofing agent) has different degrees of waterproof effect and oil proof effect, and C0/fluorine-free waterproofing agent is only waterproof function, the function is relatively single. According to many years of research data and actual production, the effect of C8 waterproofing agent is better than C6 waterproofing agent and C0/fluorine-free waterproofing agent. And under normal circumstances, under the same conditions, the effect of C6 waterproofing agent is also better than that of C0/fluorine-free waterproofing agent. If you use a simple arrangement, the waterproof performance of these three can be expressed as: C8 waterproofing agent > C6 waterproofing agent > C0/fluorine-free waterproofing agent. Of course, with the in-depth study of C6 waterproofing agents and C0/fluorine-free waterproofing agents, in the future, the effect is comparable to that of C8, and the results are close to that of C6 waterproofing agents.
Environmental Protection
In the past, these three main waterproofing agents can participate in the import and export trade, but on April 1, 2015, the latest environmental requirements of OEKO-TEX Standard 100 stipulates that the PFOA and PFOS content of fluorine waterproofing agents must be less than 1ug/㎡, and C8 waterproofing agents are doomed to be eliminated by the market. Because the PFOA and PFOS content in C8 waterproofing agent is basically maintained at 70-80ug/㎡, the prohibited substances seriously exceed the standard and do not meet the requirements of environmental protection. And as early as 2012, the United States, Norway, Degay and other regions have begun to ban C8 waterproofing agents. According to the current international testing standards, the PFOA and PFOS content in C6 waterrepellent is lower than the detection limit of 1ug/㎡, which cannot be detected, and is fully in line with the international import and export trade standards for all kinds of textiles. In other words, that is, so C6 water repellent is environmentally friendly, and the US EPA clearly declared that C6 is not a regulated product and can participate in trade. C0/Fluorine-free water repellent does not contain fluorine and PFOA/PFOS substances, of course, belong to environmental protection products, can participate in trade.
Sensitivity to The Windproof Fabric
Whether the waterproof agent can play the best waterproof effect on the fabric, in addition to the performance of the waterproof agent itself, but also has a close relationship with the treatment of fabric and technology. Waterproof finishing, belongs to functional finishing, can even be said to be fine chemical finishing. Fabric waterproof finishing, often requires the surface of the treated fabric smooth, and even must remove all the residual additives on the pre-finished fabric, such as: wetting agents, dyeing AIDS, slurry residues, softeners and other surfactants. This is actually related to the carbon chain structure of the water repellent. Literally speaking, the C8 waterproofing agent has 8 carbon chains, the C6 waterproofing agent has only 6 carbon chains, and the C0/fluorine-free waterproofing agent is a waterproofing agent without carbon molecules. Of course, the more carbon chains, the more stable the intermolecular structure, and of course the stronger the adaptability to residual impurities in the fabric. Among these three, the carbon eight waterproof agent is the most stable, followed by the C6 waterproof agent, and the biggest impact is the C0/fluorine-free waterproof agent. This is also why when the C8 waterproof agent is banned, most of the functional finishing brand manufacturers have chosen C6 waterproof agent as a substitute
1. The same kind of fabric needs to achieve the same effect.
If the same fabric under the same conditions, the use of these three waterproofing agents need to achieve the same effect, then in terms of the amount of C8＜C6＜C0/fluorine-free waterproofing agent; That is, the amount of C0/fluoride-free water repellent is the largest, and in general, the unit price of C0/fluoride-free water repellent is also higher. In this way, in the next few years, C6 water repellent is more hot
2.Process:
In fact, from the perspective of mass production, there is no obvious difference in the process of C8, C6 and C0/fluorine-free waterproofing agent, which basically need to be baked to produce cross-linking effect. Simply put, the waterproof agent gives the waterproof effect to the fabric, that is, the cross-linking occurs on the fabric, and the temperature, baking time, waterproof agent, and pretreatment fabric are required to fully cooperate to achieve optimization.
Through the analysis of the above aspects, we know the advantages and disadvantages of the three types of products. Yes, the effect of C8 waterproof is significant, but due to environmental problems, it can only be replaced by C6 and C0/fluorine-free waterproofing agent, so textile fabric enterprises must choose the most suitable products according to the actual needs of the company.
In fact, according to the above analysis, it is not difficult to see that the C8 waterproof agent has greater advantages in terms of effect and finishing process. However, in terms of environmental protection, it has been subjected to international environmental protection barriers and is destined to be banned globally. Of course, in another direction, this is also the running-in of human production and the natural environment. We can only adapt to the environment and the laws and regulations. According to many aspects, C6 waterproofing agents and C0/fluorine-free waterproofing agents will be greatly improved in the next few years. Textile fabric enterprises must choose the most suitable products according to the actual needs of the company, and strain in advance.
