Sizing composition for glass yarns, the glass yarns thus obtained and composite materials comprising said yarns
First Claim
1. A glass strand coated with a sizing composition composed of a solution comprising at least 5% by weight of solvent and comprising a thermally curable base system, said system comprising at least 60% by weight of components with a molecular mass of less than 750 and at least 60% by weight of components of a mixture:
- of component(s) exhibiting at least one epoxy reactive functional group, of component(s) exhibiting at least one amine, preferably primary or secondary amine, reactive functional group, and of component(s) exhibiting at least one hydroxyl reactive functional group.
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Abstract
The invention relates to a sizing composition composed of a solution comprising at least 5% by weight of solvent and comprising a thermally curable base system, said system comprising at least 60% by weight of components with a molecular mass of less than 750 and at least 60% by weight of components of a mixture: of component(s) exhibiting at least one epoxy reactive functional group, of component(s) exhibiting at least one amine, preferably primary or secondary amine, reactive functional group, and of component(s) exhibiting at least one hydroxyl reactive functional group. Another subject matter of the invention relates to the glass strands coated with the abovementioned sizing composition. The glass strands obtained are capable of being used to reinforce organic or inorganic materials.
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Citations
18 Claims
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1. A glass strand coated with a sizing composition composed of a solution comprising at least 5% by weight of solvent and comprising a thermally curable base system, said system comprising at least 60% by weight of components with a molecular mass of less than 750 and at least 60% by weight of components of a mixture:
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of component(s) exhibiting at least one epoxy reactive functional group, of component(s) exhibiting at least one amine, preferably primary or secondary amine, reactive functional group, and of component(s) exhibiting at least one hydroxyl reactive functional group. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18)
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17. A sizing composition, in particular for glass strands, composed of a solution comprising at least 5% by weight of solvent and comprising a thermally curable base system, said system comprising at least 60% by weight of components with a molecular mass of less than 750 and at least 60% by weight of components of a mixture:
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of component(s) exhibiting at least one epoxy reactive functional group, of component(s) exhibiting at least one amine, preferably primary or secondary amine, reactive functional group, and of component(s) exhibiting at least one hydroxyl reactive functional group.
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Specification