摘要:
The invention relates to an organic fibre which is based on an epoxy resin and a rheology-controlling agent and to the corresponding dry goods. The invention involves the use of (i) an epoxy resin and a rheology-controlling agent and (ii) reinforcing fibres. More specifically, the invention relates to a formulation and method for the production of semifinished products for composite materials in the form of yarns which are woven or knitted together and which can be used to prepare thermoset materials by simple heating.
摘要:
The invention relates to an organic fibre which is based on an epoxy resin and a rheology-controlling agent and to the corresponding dry goods. The invention involves the use of (i) an epoxy resin and a rheology-controlling agent and (ii) reinforcing fibres. More specifically, the invention relates to a formulation and method for the production of semifinished products for composite materials in the form of yarns which are woven or knitted together and which can be used to prepare thermoset materials by simple heating.
摘要:
The invention relates to a shock-resistant transparent composition comprising a copolymer including repeating units originating from the polymerisation of acrylonitrile and at least one vinyl aromatic monomer, a particulate block copolymer and a core/shell-type copolymer.
摘要:
The invention relates to a cross-linked composition comprising at least one elastomer and at least one triblock sequenced copolymer. The invention also relates to a method for obtaining one such composition, based on a system and a suitably selected cross-linking temperature. According to a preferred embodiment of the invention, the cross-linked composition can be transformed as a thermoplastic material. The inventive composition can be used in various applications, especially for producing conduits for the transfer of fluids, seals and insulation linings.
摘要:
The invention relates to the use of a composition for producing parts by filament winding, which comprises at least one type of resin formulation containing at least one type of thermosetting resin, at least one type of miscible rheology regulating agent which provides the composition with a viscosity difference whose factor is equal to or greater than 100 between a high-temperature state at a C1 shear rate and a low temperature state at a C2 shear rate, wherein the difference in temperature between the high-temperature and low-temperature states is equal to or greater than 30 °C, the C1 shear rate is greater than the C2 shear rate and the composition exhibits a Newtonian behaviour in the high-temperature state thereof.
摘要:
The invention relates to a method of producing semifinished products, such as textiles or reactive foils for composites, from two formulations, namely (i) a formulation based on epoxide resin and a rheology control agent and (ii) a formulation based on a hardener and a rheology control agent. The aforementioned semifinished products are storage stable, but can react together owing to an increase in temperature in order to form the desired thermoset material.
摘要:
The invention relates to an alkyl (meth)acrylate and unsaturated epoxide crosslinked ethylene polymer. The invention also relates to a semiconducting composition including a conducting compound and an alkyl (meth)acrylate and unsaturated epoxide crosslinked ethylene polymer, to a method for making the same, and to the use thereof in electric cables.
摘要:
The invention relates to a crosslinked composition containing in parts by weight: 20 to 100 parts of at least one elastomer (I), 2 to 50 parts of at least one core/shell copolymer (II), and 0 to 100 parts of at least one thermoplastic polymer (III). The invention also relates to a method of producing one such crosslinked composition, which is characterised in that it consists in: mixing an elastomer and a core/shell copolymer optionally in the presence of a grafted polyolefin, a plasticiser, fillers and/or additives and a suitably-selected crosslinking system; and subsequently crosslinking said mixture at a suitable temperature. In a preferred embodiment of the invention, the mixture is crosslinked at a temperature of between 150 and 320 °C. The inventive method can be carried out in an internal mixer or, alternatively, in a twin screw extruder or a BUSS®-type co-kneader. Depending on the case, the resulting mass is calendered or extruded, cooled and subsequently granulated. The granules thus obtained are then ready to be transformed, by means of heating, into sheets, plates, profiles, tubes or other products. The invention further relates to the use of one such composition in the production of ducts, tubes, pipes, tubing, couplers or similar for conveying fluids, such as the fluid transfer conduits, pipes and other elements which are used in the automobile industry in braking, cooling, steering and air-conditioning systems. The inventive crosslinked composition can also be used in the production of belts, tyres, electric cable sheaths and shoe soles.
摘要:
The invention relates to a method of producing semifinished products, such as textiles or reactive foils for composites, from two formulations, namely (i) a formulation based on epoxide resin and a rheology control agent and (ii) a formulation based on a hardener and a rheology control agent. The aforementioned semifinished products are storage stable, but can react together owing to an increase in temperature in order to form the desired thermoset material.