FLEXIBLE POLYMER ELEMENT AS TAUGHENING AGENT IN PREPREGS

摘要

A FLEXIBLE POLYMER ELEMENT FOR A CURABLE COMPOSITION WHEREIN THE FLEXIBLE POLYMER ELEMENT IS IN SOLID PHASE AND ADAPTED TO UNDERGO AT LEAST PARTIAL PHASE TRANSITION TO FLUID PHASE ON CONTACT WITH A COMPONENT OF THE CURABLE COMPOSITION IN WHICH IT IS SOLUBLE AT A TEMPERATURE WHICH IS LESS THAN THE TEMPERATURE FOR SUBSTANTIAL ONSET OF GELLING AND/OR CURING THE CURABLE COMPOSITION; A METHOD FOR THE PREPARATION THEREOF, A SUPPORT STRUCTURE OR CARRIER FOR A CURABLE COMPOSITION COMPRISING THE AT LEAST ONE FLEXIBLE POLYMER ELEMENT TOGETHER WITH REINFORCING FIBRES, CONFIGURATION SUPPORT STRUCTURES AND CARRIERS, METHODS FOR PREPARATION THEREOF, A CURABLE COMPOSITION COMPRISING THE AT LEAST ONE FLEXIBLE POLYMER ELEMENT OR THE SUPPORT STRUCTURE OR CARRIER AND A CURABLE RESIN MATRIX, A KIT OF PARTS COMPRISING THE COMPONENTS THEREOF AND A METHOD FOR SELECTION THEREOF, A METHOD FOR PREPARATION AND CURING THEREOF, AND A CURED COMPOSITE OR RESIN BODY OBTAINED THEREBY, AND KNOWN AND NOVEL USES THEREOF.