Latent heat accumulator, method for producing a latent heat accumulator, method for producing a film-type latent heat accumulator and method for coating a support material

Abstract

Latent heat accumulator body with an outer shell body comprising of a hard plastic or elastomer, in particular a thermoplastic elastomer, which is processable by injection techniques and a filling comprising latent heat accumulator material which is located in the interior of the shell body and has a working temperature range covering a temperature span ranging from below to above phase change temperature, wherein the latent heat accumulator material is a gelatinous or solid mass in the working temperature range, independently of the temperature, and is introduced into the interior of the shell body by a two-component injection method.

1 . Latent heat accumulator body with an outer shell body consisting of a hard plastic or elastomer, in particular a thermoplastic elastomer, which can be processed by injection techniques and a filling consisting of latent heat accumulator material which is located in the interior of the shell body and has a working temperature range covering a temperature span ranging from below to above the phase change temperature, characterized in that the latent heat accumulator material is a gelatinous or solid mass in the working temperature range, independently of the temperature, and is introduced into the interior of the shell body by means of a two-component injection method.  
     
     
         2 . Latent heat accumulator body with an outer shell body consisting of a hard plastic or elastomer, in particular a thermoplastic elastomer, which can be processed by means of an extruder, characterized by a filling consisting of latent heat accumulator material which is located in the interior of the shell body and is a gelatinous or solid mass in the working temperature range, independently of the temperature.  
     
     
         3 . Latent heat accumulator body according to one or more of the preceding claims or in particular according thereto, characterized in that the latent heat accumulator material completely fills the shell body in the working temperature range, independently of the temperature.  
     
     
         4 . Latent heat accumulator body according to one or more of the preceding claims or in particular according thereto, characterized in that the latent heat accumulator material at the injection temperature or extrusion temperature is accommodated with positive pressure in the shell body.  
     
     
         5 . Method for producing a latent heat accumulator body with an outer shell body which has an outer surface and consists of a hard plastic or elastomer, in particular a thermoplastic elastomer, which can be processed by injection techniques, and a filling consisting of latent heat accumulator material which is located in the interior of the shell body, the shell body being produced by the injection molding method, characterized in that the shell body is produced together with the filling by the two-component plastics injection method, the filling having a phase change material and a copolymer component, such as for instance a triblock, radial-block and/or multi-block copolymer.  
     
     
         6 . Method for producing a latent heat accumulator body according to  claim 5  or in particular according thereto, characterized in that the injection of the phase change material is performed without back pressure.  
     
     
         7 . Method for producing a latent heat accumulator body according to either of claims  5  and  6  or in particular according thereto, characterized in that the phase change material is conveyed in the injection machine by an extruder, the heating of which is switched off or greatly reduced.  
     
     
         8 . Method for producing a latent heat accumulator body according to one of  claims 5  to  7  or in particular according thereto, characterized in that the phase change material is conveyed in the injection machine by a cooled extruder.  
     
     
         9 . Method for producing a film-type latent heat accumulator body, consisting of a latent heat accumulator material which is for example paraffin-based, containing a copolymer component, such as for example a triblock, radial-block and/or multi-block copolymer, the latent heat accumulator material being reduced in thickness by the rolling method.  
     
     
         10 . Method according to  claim 9  or in particular according thereto, characterized in that, following the rolling method, stretching of the basic latent heat accumulator body obtained in this way is carried out.  
     
     
         11 . Method according to one or more of the preceding claims or in particular according thereto, characterized in that the rolled and possibly stretched material is fixed in its thickness by chill rolling.  
     
     
         12 . Method for coating a support material such as a textile with a latent heat accumulator material, characterized in that the latent heat accumulator material, chosen on the basis of paraffin for example, has a copolymer component, such as for example a triblock, radial-block and/or multi-block copolymer, which latent heat accumulator material is heated to a liquid state and is applied in this state to the support material to the support material.  
     
     
         13 . Method according to the features of the precharacterizing clause of  claim 12  or in particular according thereto, characterized in that the latent heat accumulator material, formed on the basis of paraffin for example, has a copolymer component, such as for example a triblock, radial-block and/or multi-block copolymer, which latent heat accumulator material, formed as a thin film-like body, is thermoformed together with the support material for bonding with the latter in a coating manner.  
     
     
         14 . Method according to the features of the precharacterizing clause of  claim 12  or in particular according thereto, characterized in that the latent heat accumulator material, formed on the basis of paraffin for example, has a copolymer component, such as for example a triblock, radial-block and/or multi-block copolymer, which latent heat accumulator material is applied to the support material in a coating manner by means of an extruder with a slot die.  
     
     
         15 . Method according to one of claims  12 - 14  or in particular according thereto, characterized in that the support material is a fleece, carpet etc.  
     
     
         16 . Method according to one of claims  12 - 15  or in particular according thereto, characterized in that the coated material is rolled.  
     
     
         17 . Method according to one of claims  12 - 16  or in particular according thereto, characterized in that the coated material is cooled by means of chill rolls.