Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1991-01-14
1993-02-23
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C08F11002
Patent
active
051891301
ABSTRACT:
A high performance ski base material is made of ultra high molecular weight polyethylene having a molecular weight of at least 500,000. After heating, quenching and light tensioning operations, this material exhibits low crystallinity and high transparency characteristics. Such material is ideal for professional high speed skis because of its excellent wax retention quality. The invented ski base material is ideally suited for product-identity purposes because of its outstanding ability to clearly reveal detailed inscriptions placed on the running surface of a ski board.
REFERENCES:
patent: 3944536 (1976-03-01), Lupton et al.
Renfrew and Morgan, Polythene (The Technology and Uses of Ethylene Polymers), 1st Ed., pp. 91-118.
Schofer Joseph L.
Wu David
Yamaha Corporation
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