1、改性聚氯乙烯及其研究进展

This paper mainly introduces the commonly used mod-ification methods of PVC and their performance characteristics, especially in detail summarizes the application fields of modified PVC products, and finally puts forward the environmental prob-lems and recycling applications of PVC.

2、氯乙烯共聚弹性体对聚氯乙烯的改性及性能影响

The rheological, mechanical and thermal deformation properties of the modified PVC resins were investigated, and their cross-sectional morphologies were observed.

3、Physical and chemical modifications of poly(vinyl chloride) materials

The content of DEHP in flexible PVC products is usually as high as 30~50 wt%. DEHP is a small molecule and does not have chemical bonding with PVC matrix, which makes it easy to migrate from PVC products.

4、浅谈聚氯乙烯的改性研究与应用

摘要 介绍了PVC的三种改性研究。 物理改性分为弹性体改性PVC和刚性粒子改性PVC;化学改性分为共聚改性、交联改性、接枝改性、氯化改性;原位聚合改性有两种,无机纳米粒子与聚合物基体的原位聚合、核壳结构的有机粒子-无机粒子和聚合...

Synthesis, Modification, and Applications of Poly(vinyl chloride) (PVC)

PVC’s environmental consequences are examined, and an overview of PVC functionalization is provided in this article, along with a discussion of the main PVC reactivity trends using the lens of chemical recycling.

Modified Chloroacetate Copolymer Resins

In the field of advanced polymer materials, modified chloroacetate copolymer resins have garnered significant attention from researchers and industries due to their unique properties and broad application potential.

Quaternarized cationic poly [ (vinyl chloride)

Antibacterial polyvinyl chloride (PVC) materials have drawn considerable attention since their wide application in medical devices. The objective of this study is to develop a novel quaternary ammonium cationic vinyl chloride copolymer, which can be potentially used as antibacterial additive in PVC matrix.

聚氯乙烯树脂_化工百科

PVC球形树脂是PVC专用树脂的升级换代新品种. 适合用于制作硬质管材，特别是大口径管材. 树脂生产原料对人体皮肤和黏膜有不同程度的刺激，引起皮肤过敏反应和炎症。 此外，长期吸入高浓度的树脂粉尘会引起肺部病变。 为了安全操作，应避免遇明火、高温易燃，并与氧化剂接触，以防燃烧危险。 运输时必须使用清洁有篷布的工具，防止受潮。 贮存于阴凉、干燥、通风的库房，不可露天堆放或受日光照射。 在潮湿和炎热季节每月倒垛一次，便于散潮通风。 贮运期限以1年为宜，消防应使用可用水、砂土、灭火剂。 同通用型PVC树脂，但具有较好的加工性能，其挤出速率可提高15%～25%。 1.4 g/mL at 25 °C (lit.) 稳定。 可燃。 与强氧化剂不相容。 工业品是白色或浅 …

Research of Polyvinyl Chloride (PVC) and Its Modification

As can be seen from Figure 1, compared with PVC resin, the contact angles of PVC-g-C and PVC-g-C–A resins are all reduced, and the modified resin has better hydrophilicity and can be used in construction plastics.

Vinyl resin,Vinyl Chloride

“SUNCOAT” is the registered trade-name of vinyl resin produced by Sundow Polymers Co., Ltd.

PVC-modified chloroacetate resin is a widely used material in the plastics industry. It is a copolymer formed by the reaction of polyvinyl chloride (PVC) and chloroacetic acid (CHCA). PVC offers excellent chemical stability, good mechanical properties, and low cost, while chloroacetic acid enhances physical performance, such as improved heat resistance and chemical resistance. This composite material is extensively applied in the production of various products, including pipes, cables, containers, and more.

Characteristics of PVC-Modified Chloroacetate Resin

1. Physical Properties: PVC-modified chloroacetate resin typically exhibits high transparency, gloss, and strength. Its tensile strength exceeds that of pure PVC, and it demonstrates excellent wear resistance and impact resistance.

2. Thermal Stability: The material has a high heat deflection temperature and low brittleness temperature, maintaining its physical properties over a wide temperature range. This makes it suitable for applications in diverse environmental conditions.

3. Chemical Stability: The incorporation of chloroacetic acid improves PVC’s chemical resistance, enabling the material to withstand corrosion from certain chemicals and extend its service life.

4. Processing Performance: PVC-modified chloroacetate resin is easy to process and mold. It can be produced via extrusion, injection molding, blow molding, and other methods. Finished products have smooth surfaces and require no additional treatment for direct use.

Applications

1. Construction Materials: Due to its superior physical and chemical properties, it is widely used to manufacture building components such as doors, windows, flooring, and wall panels.

2. Packaging Materials: In packaging, containers and films made from this material provide excellent barrier properties, moisture resistance, and antioxidant capabilities, prolonging the shelf life of food and pharmaceuticals.

3. Wire and Cable: PVC-modified chloroacetate resin is used for cable sheaths, improving flexibility, compressive strength, and resistance to oils and other chemicals.

4. Automotive Parts: In automobile manufacturing, it is employed for parts like bumpers, dashboards, and seats, reducing weight while enhancing durability.

Environmental Protection and Sustainability

With growing global environmental awareness, PVC-modified chloroacetate resin, as a recyclable material, generates minimal waste during production. Its recyclability helps reduce environmental pollution. Additionally, it is free from harmful heavy metals and toxic substances, minimizing ecological impact.

Future Prospects

Despite its widespread use, PVC-modified chloroacetate resin faces challenges such as further improving heat and chemical resistance for harsher conditions, reducing costs to enhance competitiveness, and boosting eco-friendliness to meet stricter regulations. Future research may focus on developing novel comonomers or leveraging nanotechnology to improve mechanical performance and durability.

PVC-modified chloroacetate resin, as a versatile and high-performance material, will continue to play a critical role in the plastics industry. Through ongoing technological innovation and optimization, it holds promise for delivering greater value and possibilities across various sectors.