Posted on: November 24, 2023 by witmans

Innovations in Polymer Processing: Exploring Process Oils and Plasticizers

Polymer processing stands at the forefront of modern manufacturing, shaping the materials that define our everyday lives. From flexible packaging materials to durable automotive components, polymers play a pivotal role in various industries. However, the journey from raw polymer materials to finished products involves intricate processes, and innovations in polymer processing are constantly shaping the landscape. In this blog, we delve into the world of process oils and plasticizers—key elements in polymer processing—and explore the latest innovations that are driving efficiency, sustainability, and performance in the industry.

Understanding Polymer Processing

Polymer processing involves the transformation of raw polymer materials into useful products through various techniques such as extrusion, injection moulding, and calendaring. During these processes, the addition of certain chemicals becomes crucial to enhance the polymer’s properties and facilitate smooth processing. This is where process oils and plasticizers come into play.

The Role of Process Oils

Process oils, also known as base oils or plasticizer carriers, serve as essential components in polymer processing. They act as carriers for additives and play a crucial role in improving the flow and handling characteristics of polymers. Process oils are particularly important in applications where the final product requires flexibility, durability, or specific surface properties.


One of the primary functions of process oils is to reduce the viscosity of polymers, making them easier to process. This is especially vital in extrusion processes where the polymer material needs to flow through intricate moulds and dies. The judicious selection of process oils can significantly impact the efficiency of these processes, leading to higher throughput and reduced energy consumption.


Moreover, process oils contribute to the dispersion of additives, such as fillers and pigments, ensuring uniformity in the final product. The choice of process oil can influence the mechanical properties, appearance, and overall quality of the polymer-based products.

Innovations in Process Oils

Recent innovations in process oils have focused on addressing environmental concerns and enhancing performance. Bio-based process oils, derived from renewable sources, have gained prominence as sustainable alternatives to traditional mineral-based oils. These bio-based oils not only reduce the carbon footprint but also offer comparable or even superior performance characteristics.


Another notable innovation is the development of low-aromatic process oils, addressing health and safety concerns associated with traditional aromatic oils. These low-aromatic alternatives provide a safer working environment without compromising the performance of polymer processing.


In addition, advancements in molecular design and refining processes have led to the production of high-purity process oils. These high-purity oils contribute to cleaner and more efficient processing, reducing the risk of equipment fouling and improving the overall quality of the polymer products.

Unveiling the World of Plasticizers

While process oils facilitate the processing of polymers, plasticizers play a distinct role in modifying the properties of the final product. Plasticizers are additives that enhance the flexibility, workability, and durability of polymers by reducing the glass transition temperature and increasing the polymer’s elasticity.


In applications where flexibility is a critical requirement, such as the production of flexible PVC films and cables, plasticizers play a pivotal role. They enable the polymer chains to slide past each other more easily, imparting the desired flexibility without sacrificing other mechanical properties.

Innovations in Plasticizers

Similar to process oils, innovations in plasticizers have been driven by a growing emphasis on sustainability and regulatory compliance. Phthalate-based plasticizers, once widely used, have faced scrutiny due to their potential environmental and health impacts. As a result, the industry has witnessed a shift towards phthalate-free plasticizers, including bio-based alternatives.


Bio-based plasticizers, derived from renewable resources such as soybean oil or castor oil, offer a more environmentally friendly option. These alternatives not only meet regulatory requirements but also cater to the increasing demand for sustainable and eco-friendly polymer products.


Furthermore, innovations in molecular design have led to the development of high-performance plasticizers that exhibit enhanced efficiency and durability. These advanced plasticizers contribute to the production of resilient and long-lasting polymer products, expanding their applications in industries ranging from construction to medical devices.

The Future of Polymer Processing

As the polymer processing industry continues to evolve, the focus on sustainability, efficiency, and performance remains paramount. Innovations in process oils and plasticizers play a crucial role in shaping this future, offering solutions that align with environmental goals and regulatory requirements.


Manufacturers, like Witmans Group, a leading provider of spin finishes, textile lubricants, and rubber process oils, are at the forefront of these innovations. Witmans Group’s commitment to research and development ensures that their products not only meet current industry standards but also anticipate future needs.


As we navigate the dynamic landscape of polymer processing, it is clear that innovations in process oils and plasticizers are driving positive change. From sustainable alternatives to high-performance additives, these innovations contribute to the efficiency, sustainability, and performance of polymer-based products. Witmans Group, with its rich legacy and commitment to excellence, stands as a testament to the possibilities within polymer processing. As a reliable partner in the industry, Witmans Group continues to pioneer innovations that shape the future of polymer processing, ensuring a seamless blend of performance and sustainability in the world of polymers.

About us

As a leading manufacturer of specialty lubricants, greases, industrial paints, and protective coatings, WITMANS INDUSTRIES PVT. LTD. combines deep technical knowledge, proven expertise, and extensive experience to solve its customers’ toughest production challenges.


Witmans Industries Pvt. Ltd.
205 & 206, Kalpataru Plaza,
Chincholi Bunder Road,
Malad (West), Mumbai- 400 064, India

+91 22 40798623/24/25

Location Map