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US 2012/0071587 A1Published application
Use of curable resins containing a prepolymer based on glycidyl (meth)acrylate for making materials for use in space
AssigneesAstrium GmbH, Centre National De La Recherche Scientifique, Universite De Reims
InventorsBrigitte Defoort, Xavier Coqueret, Marion Mille
Life of this patent
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Abstract
It relates to the use of curable resins containing a prepolymer based on glycidyl (meth)acrylate for making composite materials for use in space and, more particularly to composite materials entering the composition of structures intended to be deployed in space and to be stiffened after deployment.
Claims25
-16. (canceled)
A prepolymer which has a structure consisting of a central unit of formula (VI) hereafter:
- on which are grafted four linear chains formed by the recurrence of at least one recurrent unit of formula (I) hereafter:
- wherein R1 represents a hydrogen atom or a methyl group.
(canceled)
(canceled)
A method of making a composite material that stiffens in space vacuum comprising:
- curing a curable resin comprising a prepolymer, said prepolymer comprising at least one recurrent unit of formula (I) hereafter:
- wherein R1 represents a hydrogen atom or a methyl group.
Dependencies are inferred from the claim text.