1、Silquest A
Silquest A-171 硅烷是一种出色的有机聚合物交联剂,可以提供乙烯基和硅烷官能团,并且还能用于 RTV 硅烷或羟基聚合物的扩链。 这样能形成耐潮湿、耐化学品和耐紫外光性能较强的 Si-O-Si 交联位点。 作为一种硅氧烷交联剂,Silquest A-171 硅烷通常不会产生色变并且在大多数情况下还可以抵御酸雨侵蚀。 在需要较长保质期的湿固化体系中,可以将这种硅烷产品作为去湿剂使用。 Silquest A-171 硅烷是乙烯基丙烯酸和丙烯酸树脂中的乙烯基硅烷单体,在乳液聚合过程中作为单体加入可以形成硅烷改性乳胶。 这种硅烷可以发挥交联剂的作用,在乳胶中形成非常稳定的 Si-O-Si 键。
2、硅烷偶联剂A
1、硅烷偶联剂kh-171可溶于醇、 甲苯 、丙酮、苯等溶剂,可在酸性水溶液中水解 [1]。 2、硅烷偶联剂kh-171适用于各种复杂形状、所有密度的聚乙烯和共聚物,适用于较大的加工工艺宽容度、填充的复合材料等。 具有较高的使用温度,优异的抗压力裂解性、记忆性、耐磨性和抗冲击性。 3、硅烷偶联剂kh-171可接枝到聚合物主链从而改性聚乙烯和其它聚合物,令其侧链带有本品酯基,作为温水交联的活性点。 已接枝的聚乙烯可制成型产品,如电缆护套和绝缘、管材或其他挤出和模压制品等。 4、硅烷偶联剂kh-171室温贮存,有效期壹年。 成品以5Kg、10Kg塑料桶包装,特殊规格需预订。 KH171 可溶于有机溶剂,不溶于PH=7的水,但溶于PH=3-3.5的酸性水中。
3、Silane Coupling Agent A
Silane Coupling Agent A-171 - 实际用途 用于聚乙烯交联制造电线、电缆绝缘和护层材料 本品是交联聚乙烯的重要交联剂,其交联工艺与通用的过氧化物交联、辐射交联相比,具有设备简单、投资少、易于控制、应用于聚乙烯密度范围宽、适于生产特殊形状的 ...
4、A
ChemicalBook 致力于为化学行业用户提供A-171硅烷偶联剂的性质、化学式、分子式、比重、密度,同时也包括A-171硅烷偶联剂的沸点、熔点、MSDS、用途、作用、毒性、价格、生产厂家、用途、上游原料、下游产品等信息。
5、Application of Silane Coupling Agent A
Silane coupling agent A-171 can be grafted to the polymer backbone to modify polyethylene and other polymers, so that their side chains have ester groups of this product, which serve as active sites for warm water cross-linking.
Silquest A
Recommended as a moisture scavenger in moisture cure systems where improved shelf life is desired. Offers good wet and dry adhesion. Silquest™ A-171 Silane exhibits resistance to acid rain under most conditions.
Silane coupling agent A
Silane coupling agent kh-171 is suitable for polyethylene and copolymers of various complex shapes and densities, and is suitable for larger processing technology tolerance, filled composite materials, etc.
Silane Coupling Agent A171
Silane coupling agent A171 is a chemical product based on silane, designed to enhance adhesion and interfacial compatibility between materials through coupling interactions.
Silquest™ A
The elevated rate of hydrolysis is sufficient to enable Silquest A-171 silane to be utilized as a moisture scavenging agent in moisture sensitive systems. Silquest A-171 silane can be incorporated into urethane, silylated polyurethane (SPUR prepolymer) or other silane modified polymer based sealants and adhesives to extend the systems shelf-life.
Silquest A
This increased reactivity makes Silquest A-171 silane one of the fastest hydrolyzing alkoxy silanes available. The elevated rate of hydrolysis is sufficient to enable Silquest A-171 silane to be utilized as a moisture scavenging agent in moisture sensitive systems.
Silane coupling agents, as critical chemical reagents, play a vital role in industrial production and material processing. Particularly in fields such as coatings, adhesives, and composite materials, silane coupling agents significantly improve interfacial properties, enhancing mechanical strength and weatherability. Among these, A171 silane coupling agent has gained widespread popularity due to its excellent performance. This article focuses on the dosage of A171 silane coupling agent, aiming to provide scientific guidance for engineers in related fields.
I. Basic Properties of A171 Silane Coupling Agent
A171 silane coupling agent is an organosilicon compound containing amino and vinyl functional groups. It forms stable chemical bonds on polymer surfaces, effectively improving compatibility between polymers and inorganic fillers. This coupling agent not only delivers superior adhesion properties but also substantially enhances the mechanical and aging-resistance performance of composites.
II. Factors Influencing the Dosage of A171 Silane Coupling Agent
- Nature of the Matrix Material: Different matrix materials (e.g., resins, rubbers) require varying amounts of coupling agent. Generally, materials with higher surface energy demand less coupling agent, while those with lower surface energy require more.
- Type and Quality of Fillers: The species and quality of fillers also affect dosage. High-quality fillers typically need less coupling agent to achieve equivalent adhesion effects.
- Processing Conditions: Parameters such as reaction temperature and time influence dosage. For example, higher temperatures or longer reaction times may lead to excessive coupling agent usage.
- Environmental Factors: Humidity, oxygen content, and other environmental factors impact dosage. In humid conditions, hydrolysis of the coupling agent may necessitate increased quantities.
III. Best Practices for A171 Silane Coupling Agent Dosage
To ensure optimal performance of A171 silane coupling agent, the following practices are recommended:
- Pretreatment of the Matrix Material: Proper pretreatment (e.g., sanding, grit blasting) removes surface impurities and oils, improving adsorption efficiency and coupling agent utilization.
- Adjust Dosage Based on Needs: In practice, tailor the dosage of A171 silane coupling agent to the specific matrix material, filler type, and processing conditions. Experimental determination of the optimal ratio is often required.
- Control Environmental Factors: Minimize hydrolysis or oxidation reactions by managing humidity, oxygen exposure, and other environmental variables to maintain stability.
A171 silane coupling agent is a highly efficient chemical reagent with broad industrial and material processing applications. achieving its full potential requires comprehensive consideration of factors such as matrix material properties, filler quality, processing conditions, and environmental impacts. By following scientific dosage guidelines, the advantages of A171 silane coupling agent can be maximized, delivering enhanced composite performance and meeting rigorous industrial standards.

