Charged Thermoplastic Resin Based Bituminous Mastic
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United States of America Patent
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Issued Date -
Jan 29, 2009
app pub date -
Dec 22, 2005
filing date -
Dec 23, 2004
priority date (Note) -
Abandoned
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Abstract
The invention relates to charged bituminous mastics that are used in industrial applications, particularly in the manufacture of indoor or outdoor coatings used for sealing and/or damping vibrations and/or thermal insulation and/or soundproofing and/or fire protection (fire-proofing). The aim of the invention is to provide a mastic which is deformation-resistant when thermally charged and which is also static in ambient temperature conditions prevailing during laying and when ambient temperature is 40° C., which also holds well when cold, offering good dimensional stability. In order to achieve said aim, styrene-indene copolymer resin having a Tg of 40-150° C. and a penetrability at 50° C. of ≦10 is used as a structuring agent A of a bituminous mastic comprising bitumen B, a charge C and a polymer D.
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