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Coextruded films consisting of several hundred alternating layers of two or three polymers having different refractive indices have been made. With layer thicknesses of the order of 100nm, these films cause optical interference of light waves and can reflect selected portions of the ultraviolet, visible, and infrared spectrum. All polymeric interference films possess novel properties compared to vacuum deposited dielectric multilayers. Elastomeric film was made which reversibly changes reflected wavelengths with stretching and relaxation. Non-absorbing birefringent interference polarizing film was made using polymers having different stress optical coefficients. A three component nanolayer film that reflects solar infrared wavelengths and transmits visible light was demonstrated.
The best-selling text to introduce the entire technology of pulp and paper manufacture.
Together, the two books form a complete set, and provide an in-depth study of the market for cellulose nanomaterials with critical insights for producers, processors, and end users.
TAPPI Press offers some of the most in-depth resources and references for the forest products and related industries.
Available for Purchase – Conference Proceedings
TAPPI maintains a record of key conference papers, presentations, and other conference publications, available for purchase in a variety of formats.