Cellulose acetate was first prepared by Paul Schützenberger in 1865. It took another 29 years before Charles Cross and Edward Bevan patented a process for its manufacture. At about the same time, ...
Cellulose Acetate Butyrate (CAB) is an amorphous, transparent thermoplastic quite like cellulose acetate but more expensive and tougher with improved weathering resistance and lower moisture ...
Sometimes I’m asked how the ideas for these columns come about. In this case, it was seeing a discarded overhead projector. That brought back memories of my first teaching experience in 1973 when ...
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