the textile that has been subjected to a preforming process can , after drying of the binder , either be left in the heated mold or introduced into the final polymerization mold , where , in the processes described , the caprolactam can be introduced together with the activators and catalysts ; it saturates the textile structure and hardens . the polymerization reaction can be carried out at mold temperatures of from 100 to 190 ° c ., and , if appropriate , the postpolymerization reaction can be carried out at temperatures of from 80 to 150 ° c . 2 . placing the textiles in the premold or rtm mold , and possibly carrying out a preforming process 7 . removing the textile component and transfer to rtm mold or further processing within the mold . the preforming process described , using sprayable thermoplastics , is particularly simple and inexpensive , and is therefore suitable for long runs . the process of the invention can be carried out as follows : in one preferred embodiment , operations can follow what is known as the rtm ( resin - transfer - molding ) method or the rim ( reaction - injection - molding ) method . in these methods , the core can be arranged , with layers arranged thereon made of dried textile structures comprising binder , in a mold that can be closed . the mold is generally composed of two heatable mold halves , the internal shape of which corresponds to the external shape of the finished components . within the closed mold cavity , molten lactam , with the additives required for the polymerization reaction , can be introduced into the dry fiber material that has been subjected to a preforming process . the lactam can be hardened via heating of the mold . the resin here can be introduced at atmospheric pressure into the rtm mold or rim mold , or preferably at a pressure of from 1 . 1 to 20 bar , preferably from 1 . 5 to 5 bar , particularly preferably from 1 . 0 to 3 . 0 bar , or at a pressure of from 0 . 001 to 0 . 9 bar , preferably from 0 . 1 to 0 . 8 bar , particularly preferably from 0 . 2 to 0 . 6 bar . suitable binders are soluble polyamides , examples being amorphous polyamides , e . g . mixtures which do not readily crystallize and which are composed of nylon - 6 and nylon - 6 , 6 , of polyamide derived from hexamethylenediamine and isophthalic acid ( nylon - 6 , i ), other suitable binders being other amorphous polyamides , or in general terms any of the soluble polyamides , but preferably amorphous mixtures made of aliphatic polyamides , and particularly preferably ultramid ® 1c from basf se , based on a mixture of nylon - 6 and nylon - 6 , 6 . suitable solvents for the soluble polyamides are water , alkanols , e . g . c 1 - c 20 alkanols , e . g . methanol , ethanol , n - propanol , isopropanol , n - butanol , isobutanol , tert - butanol , n - pentanol , isopentanol , n - hexanol , isohexanol , n - heptanol , isoheptanol , n - octanol , isooctanol , and ketones , e . g . acetone , methyl ethyl ketone , and esters , e . g . ethyl acetate , and halogenated solvents , e . g . methylene chloride , chloroform , and carbon tetrachloride , or a mixture of these , preferably water , c 1 - c 8 alkanols , e . g . methanol , ethanol , n - propanol , isopropanol , n - butanol , isobutanol , sec - butanol , tert - butanol , n - pentanol , isopentanol , n - hexanol , isohexanol , n - heptanol , isoheptanol , n - octanol , isooctanol , or a mixture of these , particularly preferably water , c 1 - c 4 alkanols , e . g . methanol , ethanol , n - propanol , isopropanol , n - butanol , isobutanol , sec - butanol , tert - butanol , or a mixture of these . suitable textile structures are wovens , nonwovens , and scrims based on carbon fibers , on glass fibers , on aramid fibers , on natural fibers , or on a mixture of these , preferably glass fibers , carbon fibers , or aramid fibers , particularly preferably glass fibers and carbon fibers . suitable thermosets are pourable polyamides , which here are the polymers derived from caprolactam and laurolactam , or a mixture of these . ε - caprolactam is preferably suitable as lactam . up to 20 % by weight , i . e . from 0 to 20 % by weight , preferably from 0 to 17 % by weight , particularly preferably from 0 to 15 % by weight , of the caprolactam can be replaced by comonomers from the group of the lactams having at least 4 carbon atoms , particular preference being given to ω - laurolactam . one preferred embodiment can use a mixture of ε - caprolactam and ω - laurolactam . the mixing ratio is generally 1000 : 1 , preferably 100 : 1 , particularly preferably 10 : 1 , in particular 2 : 1 . other suitable starting materials for nylon - 6 are activators which can be produced via reaction of isocyanates , such as hdi ( hexamethylene diisocyanate ) with lactams , such as ε - caprolactam , and other suitable starting materials are capped isocyanates , isophthaloylbiscaprolactam , terephthaloylbiscaprolactam , esters , e . g . dimethyl phthalate polyethylene glycol , polyols , or polydienes , in combination with acyl chlorides , carbonylbiscaprolactam , hexamethylene diisocyanate , or acyl lactamate , and preferred starting materials are isocyanates , hexamethylene diisocyanate , or acyl lactamate , particularly preferably hexamethylene diisocyanate , or acyl lactamate , and alkaline catalysts , e . g . magnesium halide lactamates , alkali metal caprolactamates , aluminum lactam or magnesium lactam , sodium caprolactamate , or magnesium bromide lactamate , preferably alkali metal caprolactamates , aluminum lactam or magnesium lactam , sodium caprolactamate , or magnesium bromide lactamate , particularly preferably sodium caprolactam or magnesium bromide lactamate . activators used can be any of the activators used for activated anionic polymerization reactions , examples therefore being n - acyllactams , e . g . n - acetylcaprolactam , substituted triazines , carbodimides , cyanamides , mono - and polyisocyanates , and the corresponding capped isocyanate compounds . the concentrations preferably used of the activators are from 0 . 1 to 1 mol %, based on the amount of lactam . by using the catalysts of the invention it is possible to polymerize lactams having at least 5 ring members , e . g . caprolactam , laurolactam , caprylolactam , or enantholactam , or the corresponding carbon - substituted lactams , or a mixture of the lactams mentioned . the alkaline catalysts can be produced via reaction of the polyether with the corresponding alkali metal compound or the corresponding alkaline earth metal compound , e . g . with the alkylate , amide , hydride , or grignard compounds , or else with the alkali metals or alkaline earth metals . the amounts generally used of the catalysts are from 0 . 1 to 40 % by weight , preferably from 0 . 2 to 15 % by weight , based on the lactam melt . catalysts with good suitability for the polymerization reaction are potassium lactamates or sodium lactamates . sodium caprolactamate has particularly good suitability and can easily be produced from nah and ε - caprolactam . the mixing ratio of caprolactam , activator , and alkaline catalyst can be varied widely , but the molar ratio of caprolactam to activator to alkaline catalyst is generally from 1000 : 1 : 1 to 1000 : 200 : 50 . suitable fibers are inorganic materials , such as high - modulus carbon fibers , silicatic and nonsilicatic glasses of a very wide variety of types , carbon , boron , silicon carbide , metals , metal alloys , metal oxides , metal nitrides , metal carbides , and silicates , and also organic materials , e . g . natural and synthetic polymers , for example polyacrylonitriles , polyesters , ultrastretched polyolefin fibers , polyamides , polyimides , aramids , liquid - crystal polymers , polyphenylene sulfides , polyether ketones , polyether ether ketones , polyetherimides , cotton , cellulose , and other natural fibers , e . g . flax , sisal , kenaf , hemp , and abaca , but preferably high - melting - point materials , e . g . glass , carbon , aramids , liquid - crystal polymers , polyphenylene sulfides , polyether ketones , polyether ether ketones , and polyetherimides , and particularly preferably glass fibers , carbon fibers , aramid fibers , steel fibers , ceramic fibers , and / or other sufficiently heat - resistant polymeric fibers , or filaments . suitable reinforcing material comprises rovings of the abovementioned fibers , preferably non - linear , and linear , particularly preferably sheet - like moldings , e . g . fibers , yarns , and textile structures , examples being wovens , knits , braids , and nonwovens . the content of fibers in the finished composite material is generally from 20 to 85 % by volume , preferably from 40 to 70 % by volume , or in the case of profiles with purely monodirectional reinforcement from 30 to 90 % by volume , preferably from 40 to 80 % by volume . the reinforcing material can have uniform distribution within the composite material of the invention , but its proportion present in certain portions of the composite material , e . g . in the peripheral regions , and / or in particular reinforcement zones , can also be greater than in other portions of the composite material . the term composite material means materials made of two or more materials bonded together , examples being particulate composite materials ( dispersion materials ), fiber - composite materials , laminates , and interpenetration - composite materials , preferably fiber - composite materials and laminates , and particularly preferably fiber - composite materials . the composite - material components produced in the invention are suitable for use as shell for safety helmets which provide head - protection for persons driving a motor vehicle or motorcycle . the textiles or textile structures used to reinforce the components are either preinserted into the mold , saturated with the binder , and subjected to a performing process via closure of the mold and evaporation of the solvent , where the activated and catalyzed lactam is injected , or are subjected to a performing process in a second heated mold , and then introduced into the polymerization mold . 5 layers of a 5 × 90 / 10 glass fiber mat ( producer : saertex ) ( weight per unit area 424 g / m 2 ) were inserted into the mold ( hat mold ), and molded manually to the shape , and 50 ml of a solution made of 10 % by weight of ultramid ® 1c ( basf se ) in ethanol / water , ratio 9 : 1 by volume was sprayed onto the material . after drying to remove the solvent at from 30 to 150 ° c ., the mold was closed and , at a mold temperature of 150 ° c ., filled with a pourable polyamide based on caprolactam from brüggemann ( heilbronn ). the catalyst used comprised brüggolene c10 , and the activator used comprised brüggolene c20 . the low - water - content caprolactam used was likewise from brüggemann ( ap - nylon ® caprolactam ). the activator and catalyst were used in accordance with the data sheet . the molding was removed after 4 minutes . the 5 × 90 / 10 glass fiber mats ( produced by saertex ) ( weight per unit area 424 g / m 2 ) used for reinforcement were inserted into the mold ( hat mold ), and molded by hand to the shape . at a mold temperature of 150 ° c ., the mold was filled , as described above , with a pourable polyamide system from brüggemann ( heilbronn ). the inserted textiles had slipped out of place , and surface defects made the quality of the component unsatisfactory .