mistura para conter queda para modificação de atividade de argila em concreto
The present invention relates to the use of polycationic compound in combination with a hydroxycarboxylic acid or salt thereof to enhance slump retention in cements and concretes having clay-bearing aggregates, wherein the clay otherwise absorbs or diminishes the dosage efficiency of polycarboxylate...
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| Main Authors | , , |
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| Format | Patent |
| Language | Portuguese |
| Published |
27.10.2015
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| Subjects | |
| Online Access | Get full text |
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| Abstract | The present invention relates to the use of polycationic compound in combination with a hydroxycarboxylic acid or salt thereof to enhance slump retention in cements and concretes having clay-bearing aggregates, wherein the clay otherwise absorbs or diminishes the dosage efficiency of polycarboxylate superplasticizers. |
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| AbstractList | The present invention relates to the use of polycationic compound in combination with a hydroxycarboxylic acid or salt thereof to enhance slump retention in cements and concretes having clay-bearing aggregates, wherein the clay otherwise absorbs or diminishes the dosage efficiency of polycarboxylate superplasticizers. |
| Author | BYONG-WA CHUN SHU-QIANG ZHANG HIDEO KOYATA |
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| Notes | Application Number: BR2009PI15333 |
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| RelatedCompanies | W.R. GRACE & CO.-CONN |
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| Snippet | The present invention relates to the use of polycationic compound in combination with a hydroxycarboxylic acid or salt thereof to enhance slump retention in... |
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| SubjectTerms | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE |
| Title | mistura para conter queda para modificação de atividade de argila em concreto |
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