1、Graft modification of chlorinated polypropylene and coating performance
The mechanism that grafted CPP (g-CPP) promotes the adhesion between polypropylene (PP) and the topcoat was discussed in accordance with the ESCA results. Compared with CPP, the rheological properties and thermal behaviors of g -CPP were improved dramatically.
2、Modification of CPP Resin and PP
Chlorinated polypropylene (also called CPP resin) is a thermoplastic resin obtained by chlorination modification of polypropylene (PP), and is widely used in coatings (mainly composite inks) and adhesive industries.
3、改性聚丙烯及其应用研究发展
This paper mainly introduces the commonly used modification methods and mechanisms of poly-propylene, and summarizes the characteristics, applications and prospects of various methods that used in polypropylene modification.
4、改性CPP的表征及其对PP附着性能的影响
采用混合单体甲基丙烯酸甲酯 (MMA),丙烯酸丁酯 (BA)和 2-甲基丙烯酸 (MAA)对氯化聚丙烯 (CPP)进行接枝改性,制备了几种不同接枝率的改性CPP,并用红外光谱和热分析仪对其进行了表征,探讨了改性 CPP在PP基材上的附着性能.结果表明:改性CPP在PP塑料上具有良好的附着力 ...
5、Interfacial Strengthening of Carbon Fiber/Polypropylene Composites via
In order to enhance the interfacial bonding between carbon fibers (CFs) and the polypropylene (PP) resin matrix, the modified acrylate nanoemulsion was prepared by emulsifying modified chlorinated polypropylene (CPP) by phase conversion.
科普PP塑料产品升级外观适用CPP技巧和原理
PP处理剂使用时的注意事项可以使得我们在利用PP处理剂解决PP塑料喷漆时出现的不良现象时，通过规范的 工艺流程 及技术要求，形成顺畅的施工解决方案，对于生产效率的提升及PP料涂装的良率和保证处理剂能够发挥功效来说都是非常关键的因素。
改性CPP的表征及其对PP附着性能的影响
结果表明:改性CPP在PP塑料上具有良好的附着力;随着接枝率的提高,改性CPP与丙烯酸树脂的相容性增强,其混合液在PP塑料上的附着力达到100%,可用来制备直接涂覆的PP涂料。
水性氯化聚丙烯–丙烯酸树脂杂化体的制备
结果表明：当CPP用量为固体分的20%（质量分数，后同）、引发剂用量为单体总量的2%、MAA、IBOMA用量分别为单体总量的5%、12%时制得综合性能最优异的杂化体树脂。 [结论]制备的杂化体状态优异，对PP基材附着力达0级。
基于表面改性提高PP附着力的方法,Journal of Adhesion
本综述介绍了可以改善聚丙烯涂层或附着性能的改性方法，包括化学氧化的发展和几种新的化学改性方法，如高能诱导接枝聚合、有机硼烷引发剂、可逆-加成-断裂– 链转移和原子转移自由基聚合。
TECHNICAL DATA SHEET
TECHNICAL DATA SHEET Chlorinated Polypropylene (CPP) is a thermoplastic resin manufactured from polypropylene (PP) through chemical modification. Molecular formula:-[-CH2—CHCl(CH3)-]n. CAS Code: 68442-33-1
Modification of CPP Resin and PP
Chapter 1: Introduction
In the plastics industry, polypropylene (PP) and polystyrene (CPP) are two important thermoplastic polymers widely used in various products due to their excellent mechanical properties, chemical stability, and processing characteristics. limitations in specific applications increasingly emerge due to their inherent properties. To overcome these challenges and expand their usage scope and performance, modification techniques have become an effective solution. This article explores the modification methods of CPP resin and PP, as well as how these methods can enhance their properties.
Chapter 2: Overview of CPP Resin
2.1 Definition of CPP Resin
CPP resin, or polystyrene resin, is a commonly used thermoplastic plastic. It exhibits good transparency, electrical insulation, wear resistance, and impact resistance, but it also has drawbacks such as poor heat resistance and chemical resistance.
2.2 Applications of CPP Resin
Owing to its superior physical properties, CPP resin is widely employed in packaging materials, electrical components, medical devices, and other fields. Additionally, CPP resin can be blended with other polymers to improve its performance.
Chapter 3: Overview of PP Resin
3.1 Definition of PP Resin
Polypropylene resin is a thermoplastic polymer with excellent comprehensive properties, including high melting point, good mechanical strength, thermal stability, and chemical resistance. These characteristics make PP resin widely applicable in many fields.
3.2 Applications of PP Resin
Due to its outstanding performance, PP resin is extensively used in automotive, electronics, construction, agriculture, and other industries. For example, PP pipes are commonly used in water supply systems, while PP sheets are often employed to manufacture food containers.
Chapter 4: Modification Methods for CPP Resin and PP
4.1 Filler Modification
Filler modification is a common method that improves the properties of CPP or PP by adding fillers such as calcium carbonate, talcum powder, or glass fibers. These fillers can significantly enhance hardness, rigidity, and heat resistance.
4.2 Blend Modification
Blend modification involves combining CPP or PP with other polymers to improve performance. For instance, blending CPP with ABS can increase heat resistance and toughness, while blending PP with PE can improve flexibility and low-temperature performance.
4.3 Graft Modification
Graft modification introduces new monomers or functional groups into the molecular chains of CPP or PP to enhance properties. For example, this approach can improve antistatic or flame-retardant properties.
4.4 Crosslinking Modification
Crosslinking modification uses crosslinking agents to improve the mechanical properties of CPP or PP. For example, this method can increase tensile strength and elongation at break.
Chapter 5: Performance Analysis After Modification
Modification of CPP and PP can significantly improve their performance in specific applications. modified materials may still face challenges such as increased costs and greater processing difficulty. the choice of modification method should be tailored to specific application scenarios and requirements.
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The diverse modification methods for CPP and PP demonstrate that appropriate techniques can be selected based on different needs to enhance their performance. it is essential to note that modified CPP and PP may still have limitations, such as higher costs and increased processing complexity. Thus, the selection of modification methods should carefully balance specific application contexts and demands.
