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eBook details

• Title: Extrusion Coating
• Author : B. H. Gregory
• Release Date : January 28, 2008
• Genre: Engineering,Books,Professional & Technical,
• Pages : * pages
• Size : 7365 KB

Description

This comprehensive study of extrusion coating technology describes the process and applications in detail, combining experimental data with computer modeling and the author's 30 years of experience. This methodology provides insight, clarity and assistance in problem solving, process optimization and new product development. The oportunities to exploit a wide range of polymers by the extrusion coater are discussed in detail. These include LDPE, HDPE, PP, ionomers, copolymers and blends and speciality materials, such as EVOH and PET.


Everything you wanted to know about:

Screw and die design for mono and coextrusion.
Chill roll design and winders.
Maximizing adhesion at high line speeds:- time in air gap and melt relaxation.
Adhesion promotion:- corona, flame, ozone treatment and chemical primers.
Feedblock and dual manifold coextrusion compared.
Coextrusion:- control layer arrangement and eliminate interfacial instabilities.
Optimize melt stability and minimize neck-in in air gap.
Material selection:- polyethylenes, copolymers, ionomers, metallocenes, polypropylene etc.
Substrates: pulp and paper, aluminium foil, plastic films etc.
Applications for extrusion coatings and laminates.
Minimize odor and off-taste and the scalping phenomenon in food packaging.
Trouble shooting and many more insights.

Target Audience: Engineers, marketers, technicians and students involved with the extrusion coating process.


Table of Contents:
The Extrusion Coating Process
Equipment and Screw Design
Die Design
Stretching Flows and Neck-In
Adhesion
Coextrusion
Adhesion Promotion Methods
Polymers for Extrusion Coating: includes, coplymers, ionomers, PP, blends, metallocene PEs
Speciality Polymers: EVOH and PET
Improving organoleptic properties
Substrates and Films for the EXtrusion Coater
Extrusion Coated Products and Applications

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