plastic bottle manufacture

Design of Plastic Products (part 1): The holistic design approach

There are 4 principle elements to a successful plastic product: material selection, part design, tooling, and processing. Typically, product designers are effective part designers but have limited background in the other disciplines.  This leads to products which are more expensive than necessary and difficult to manufacture—which also increases the cost.  Many companies have solved this […]

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europlas weather stabilizer additives

Antioxidants: What are primary and secondary antioxidants?

Antioxidants are used in a variety of resins to prevent oxidative degradation. Degradation is initiated by the action of highly reactive free radicals caused by heat, radiation, mechanical shear, or metallic impurities. The initiation of free radicals may occur during polymerization, processing, or fabrication. Once the first step of initiation occurs, propagation follows. Propagation is […]

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Anti-blocking and Slip agent: 4 selecting criteria

Anti-blocking agents roughen the surface of the film to create a spacing effect.  Self-adhesion is an undesirable situation when using LLDPE and LDPE film. Anti-blocking additives like other plastic raw materials are melted into the thermoplastics directly or in use of a masterbatch. Therefore, an anti-blocking additive is developed to make a slight surface roughness. […]

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Flame Retardant in daily use

Flame retardant additives: Essential safety materials (2020)

Flame retardants are in a unique position among plastics additives in that they are both created by regulations and yet are threatened by other regulations. They are expensive and lower the physical properties of the plastics in which they are employed.  On the other hand, environmental and toxicity concerns now have regulators looking at the […]

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Antistatic Agents Overview (2020)

Plastics are inherently insulative (typical surface resistivities in the range of 1012 to 1014 om/square) and cannot readily dissipate a static charge. The primary role of an antistatic agent or antistat is to prevent the buildup of static electrical charge resulting from the transfer of electrons to the surface.  This static electricity can be generated […]

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Bioplastics: Bio-based polymer is the future of plastics material

Food products are fundamentally packaged to ensure them from outside environmental factors and to give product information to the buyers.  Traceability, convenience, and many more important reasons. Materials that have been generally utilized in food packaging: glass, metal, paper and paperboard, and plastics.  Why don’t we use something more environment-friendly materials? Like bioplastics? Traditional materials […]

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