Process for the preparation of a polymer matrix which becomes cloudy as a function of temperature
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United States of America Patent
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Oct 7, 1997
Grant Date -
N/A
app pub date -
Apr 13, 1995
filing date -
Apr 13, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process for the preparation of a gel material which is not free-flowing, is reversibly transparent as a function of temperature and comprises nonionic and/or nonionically acting surfactants as clouding components. The preparation of the gel material can be integrated into the customary production process for laminated glazing in a simple manner and produces frost-stable glazing which can be employed universally indoors and outdoors. When applied, the strength of the system is so high that it is no longer free-flowing at all and bulging of the laminated pane and running-out are therefore no longer possible.
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