Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1999-06-29
2000-05-30
Buttner, David
Coating processes
With post-treatment of coating or coating material
Heating or drying
427136, 4273936, 428413, C09D16300
Patent
active
060688858
ABSTRACT:
An epoxy sealer/healer formulation for sealing and strengthening cracked concrete comprising an epoxy resin, an amine and a dialkylene triamine-alkylene oxide adduct, where the formulation provides a modulus and/or compressive strength at least that of uncracked concrete and effective for penetrating a concrete crack at a rate of at least 10 mm/min for a crack 0.5 mm wide when applied by gravity feed. The epoxy sealer/healer preferably has a viscosity of less than 100 centipoise and a tack-free time of less than 12 hours. The epoxy sealer/healer is advantageous in being able to bond to moist concrete surfaces. A method of using the epoxy sealer/healer for sealing and restoring the strength of cracked concrete is also set forth.
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Lee et al, "Handbook of Epoxy Resins", 1982 Reissue.
Chemical Abstract 102:205116 (of HU 33816).
Blank Norman
Coddington Michael C.
Elmendorf David C.
Hartman Stuart J.
Buttner David
Sika Corporation USA
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