POLYMER MIXTURE
The invention relates to a mixture comprising at least one polymer and from 0.1 wt% to1.5 wt%, based on the weight of the polymer, of at least one fumed silica, wherein the polymer comprises at least one semi-aromatic polyamide in an amount of more than 50 wt%, based on the weight of the polymer. Th...
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Format | Patent |
Language | English French |
Published |
28.06.2012
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Abstract | The invention relates to a mixture comprising at least one polymer and from 0.1 wt% to1.5 wt%, based on the weight of the polymer, of at least one fumed silica, wherein the polymer comprises at least one semi-aromatic polyamide in an amount of more than 50 wt%, based on the weight of the polymer. The presence of the fumed silica in the semi-aromatic polyamide-based mixture allows notably for reducing the cycle time necessary for the manufacture of various shaped articles, such as mobile phone housings, by melt processing methods like injection molding.
L'invention porte sur un mélange comprenant au moins un polymère et de 0,1 % en poids à 1,5 % en poids, sur la base du poids du polymère, d'au moins une silice sublimée, le polymère comprenant au moins un polyamide semi-aromatique en une quantité supérieure à 50 % en poids, sur la base du poids du polymère. La présence de silice sublimée dans le mélange à base de polyamide semi-aromatique permet notamment la réduction du temps de cycle nécessaire pour la fabrication de divers articles façonnés, tels que des boîtiers de téléphone mobile, par des procédés de transformation à l'état fondu comme le moulage par injection. |
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AbstractList | The invention relates to a mixture comprising at least one polymer and from 0.1 wt% to1.5 wt%, based on the weight of the polymer, of at least one fumed silica, wherein the polymer comprises at least one semi-aromatic polyamide in an amount of more than 50 wt%, based on the weight of the polymer. The presence of the fumed silica in the semi-aromatic polyamide-based mixture allows notably for reducing the cycle time necessary for the manufacture of various shaped articles, such as mobile phone housings, by melt processing methods like injection molding.
L'invention porte sur un mélange comprenant au moins un polymère et de 0,1 % en poids à 1,5 % en poids, sur la base du poids du polymère, d'au moins une silice sublimée, le polymère comprenant au moins un polyamide semi-aromatique en une quantité supérieure à 50 % en poids, sur la base du poids du polymère. La présence de silice sublimée dans le mélange à base de polyamide semi-aromatique permet notamment la réduction du temps de cycle nécessaire pour la fabrication de divers articles façonnés, tels que des boîtiers de téléphone mobile, par des procédés de transformation à l'état fondu comme le moulage par injection. |
Author | TRIVEDI, PRAKASH DRUMAN PANCHAL, PRAKASH PUNJALAL CHARATI, SANJAY GURBASAPPA SHUKLA, JIGNESH MARKANDRAY |
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DocumentTitleAlternate | MÉLANGE À BASE DE POLYMÈRE |
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RelatedCompanies | TRIVEDI, PRAKASH DRUMAN PANCHAL, PRAKASH PUNJALAL SOLVAY SA CHARATI, SANJAY GURBASAPPA SHUKLA, JIGNESH MARKANDRAY |
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Snippet | The invention relates to a mixture comprising at least one polymer and from 0.1 wt% to1.5 wt%, based on the weight of the polymer, of at least one fumed... |
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SubjectTerms | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
Title | POLYMER MIXTURE |
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