Shaped bodies of plastic material having high elasticity and hig

Details Shaped bodies of plastic material having high elasticity and hig Shaped bodies of plastic material having high elasticity and hig

1986-10-02

1988-11-08

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524293, 524569, 526284, C08K 509, C08L 2700, C08F 1000

Patent

active

047834960

ABSTRACT:
Shaped bodies of plastic material have a high elasticity and high adhesive characteristics if they contain, referred to the percentage of the plastic material of said shaped bodies, a higher percentage of a benzophenonetetracarboxylic acid tetraester. In said benzophenone-tetracartoxylate the ester forming alcohol component is an alkanol, alkenol or alkynol having 4-24 carbon atoms. The shaped bodies can be adhered to a substrate by pressing them onto it. The inventive shaped bodies are preferably strands, fibers, filaments or foils, for example foils for the packaging of products. Preferred shaped bodies are ion sensitive membranes for the determination of the concentration of ions and said membranes contain furthermore an ion selective component for the ion to be determined.
Solutions of the inventive shaped bodies in a volatile organic solvent can be applied to a substrated and after the solvent is evaporated there remains on the substrate a firmly adherent elastic film.

REFERENCES:
patent: 3332964 (1967-07-01), McCracken et al.
patent: 3389168 (1968-06-01), Hirzy
patent: 4309524 (1982-01-01), Huemner et al.
patent: 4608149 (1986-08-01), Daniel et al.

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