Adhesive composition
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United States of America Patent
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Aug 17, 2004
Grant Date -
Oct 16, 2003
app pub date -
Feb 26, 2003
filing date -
Apr 12, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to adhesives manufacturing. These adhesives are used in household and industry for adhering various materials (concrete, ceramics, different coatings, etc) exploited under temperatures +50.degree. C. to -20.degree. C and under elevated humidity. The adhesive composition represents the product of interaction between potassium silicate aqueous solution (density of 1.3 to 1.37 g/cm.sup.3, molar ratio SiO.sub.2 /K.sub.2 O of 3.4 to 3.7), anhydrous lithium hydroxide mixed with di- or trihydric alcohol, vollastonite (particle size of 150 .mu.m and smaller, length to diameter ratio 5-3:1), talc (particle size of 10 to 20 .mu.m mainly) and inorganic pigment. The adhesive composition is prepared by a given consecutive mixture of components. The adhesive composition has enhanced activity (storage stability) and water resistance. It also has improved strength of adhesion junction while adhering various materials; it is non-toxic and pollution-free.
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