EP3701000A1 - Procédé de fabrication d'un matériau composite contenant un biopolymère et procédé de fabrication d'une bougie - Google Patents

Procédé de fabrication d'un matériau composite contenant un biopolymère et procédé de fabrication d'une bougie

Info

Publication number
EP3701000A1
EP3701000A1 EP18793666.1A EP18793666A EP3701000A1 EP 3701000 A1 EP3701000 A1 EP 3701000A1 EP 18793666 A EP18793666 A EP 18793666A EP 3701000 A1 EP3701000 A1 EP 3701000A1
Authority
EP
European Patent Office
Prior art keywords
biopolymer
gelatin
candle
wick
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18793666.1A
Other languages
German (de)
English (en)
Inventor
Karsten INDERBIETHEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cup Candle GmbH
Original Assignee
Cup Candle GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cup Candle GmbH filed Critical Cup Candle GmbH
Publication of EP3701000A1 publication Critical patent/EP3701000A1/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
    • C11C5/00—Candles
    • C11C5/002—Ingredients
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
    • C11C5/00—Candles
    • C11C5/008—Candles characterised by their form; Composite candles, e.g. candles containing zones of different composition, inclusions, or the like

Definitions

  • the present invention relates to a method for producing a material, in particular a composite material, containing biopolymer. Furthermore, the invention relates to a method for producing a candle with a combustible material, a wick and a shell, in which the combustible material and the wick are arranged.
  • Such biopolymer-containing composites offer the advantage that they are difficult to flammable and compostable without much effort. You can therefore find application for the production of disposable products, such as candles, which are disposable without residue after their intended use.
  • Such a disposable product in the form of a candle is for example from the
  • This candle has a wick and a combustible material.
  • the combustible material and the wick are surrounded by a biodegradable shell made of a gelatin-containing composite material.
  • gelatine plates are placed in boiling water and boiled for a few minutes. While stirring, add potato starch, cold water, gelling sugar and olive oil. A gummy jelly is obtained which is poured into a mold in which the gelatin-containing composite hardens and solidifies. In the known production method, it has proved to be disadvantageous that relatively long curing times can occur. Disclosure of the invention
  • the object of the present invention is to provide a simplified, in particular accelerated, method for producing a disposable product.
  • a method for producing a material, in particular a composite, containing at least one biopolymer is proposed, wherein a biopolymer preparation is provided in sprayable form, the sprayable biopolymer preparation is sprayed and cured.
  • a biopolymer is understood in particular to mean polymers which are obtained from renewable raw materials and / or are biodegradable, in particular completely biodegradable.
  • the preparation of these biopolymers may involve extensive purification steps and / or modification steps.
  • the biopolymers used are preferably gelatin and polysaccharides or a mixture comprising these components.
  • Preferred polysaccharides are pullulan and cellulose ethers, preferably methylcellulose and / or hydroxypropylmethylcellulose.
  • biopolymers are gelatin, pullulan, methylcellulose and hydroxypropylmethylcellulose, each alone, or mixtures comprising two, three or four of these components. If a mixture comprising two of these components is used as the biopolymer, mixtures of gelatin and pullulan or gelatin and hydroxypropylmethylcellulose are preferred.
  • the biopolymer is selected from the group consisting of gelatin, pullulan and hydroxypropylmethylcellulose, even more preferably the biopolymer is gelatin.
  • These aforementioned materials have the advantage that products obtained from these materials can be produced vegan and / or kosher and / or halal, it being understood by those skilled in the art that products containing gelatin are not vegan.
  • Gelatin is preferably an animal protein, preferably a mixture of substances.
  • the main constituent is preferably denatured or hydrolyzed collagen, which can be produced from the connective tissue of various animal species, above all pigs and cattle, but also fish and poultry.
  • the gelatin may also be vegetable gelatin, which are usually based on polysaccharides or insist.
  • the biopolymer composition in sprayable form is a sprayable preparation of gelatin having a water content of from 10% to 90%, preferably from 10% to 80%, more preferably 15% by weight -85% by weight even more preferably 20-80% by weight.
  • the water content may be selected as high as possible in order to improve the processability of the preparation, for example 25-80 wt .-%, preferably 30-80 wt .-%, particularly preferably 40-80 wt .-%, still more preferably 50-80% by weight. It may be advantageous to use demineralized or distilled water.
  • the biopolymer preparation in sprayable form is preferably gelatin, which is present in the form of a liquid gelatin composition comprising ⁇ 99% by weight of gelatinhydrolyzate.
  • this liquid gelatin composition contains as further constituents ⁇ 20% by weight of citric acid (E330) and / or ⁇ 2% by weight of potassium sorbate (E202).
  • a liquid gelatin composition comprising ⁇ 99% by weight of gelatin hydrolyzate, ⁇ 2% by weight of citric acid (E330) and ⁇ 0.2% by weight of potassium sorbate (E202).
  • Corresponding gelatine hydrolyzate (CAS No. 68410-45-7, EC No. 270-082-2), citric acid (CAS No. 77-92-9, EC No. 201-069-1) and potassium sorbate (CAS No. 24634-61 -5) are known to the person skilled in the art.
  • the liquid gelatin composition preferably has a pH of 4-8, more preferably 4.5-5.5, determined in the original solution at 60 ° C. by the method according to the monograph "Standardized Methods for the Testing of Edible Gelatine ", Short Version 12, May 2017 by Gelatine Manufacturers of Europe.
  • the liquid gelatin composition has a viscosity of 20-140 mPas, determined in the original solution at 60 ° C by the method according to the monograph "Standardized Methods for the Testing of Edible Gelatin", Short Version 12, May 2017 by Gelatin Manufacturers of Europe.
  • a liquid gelatin composition containing ⁇ 99% by weight of gelatin hydrolyzate, ⁇ 2% by weight of citric acid (E330) and ⁇ 0.2% by weight of potassium sorbate (E202) having a pH of 4.5-5.5 and a Viscosity of 20-140 mPas is known in the art and commercially available, for example, under the name GELITA NOVOTEC ® CB800 from GELITA AG, DE-69412- Eberbach on the market.
  • the equilibrium moisture content of this gelatin is about 7% by weight, ie this residual water content is reversibly established after drying under normal conditions, regardless of how much water is used in the dissolving process.
  • the liquid gelatin composition described above is characterized in that it can penetrate particularly well into the sprayed substrate, for example paper.
  • This gelatin composition does not gel and can be sprayed well at room temperature, for example 15-20 ° C.
  • a combination of this gelatin composition with other biopolymers described herein, in particular gelatins is also possible, in particular also a pretreatment of the substrate, in particular paper, with the non-gelling gelatin and a simultaneous or subsequent application of gelling gelatin sprayable form takes place in particular by bringing together one or more biopolymers and water, in particular demineralized water or distilled water, and optionally with heating.
  • the biopolymer preparation in a sprayable form may preferably consist only of biopolymer or biopolymer preparation and water, in particular demineralized water or distilled water.
  • the biopolymer preparation provided in sprayable form can be present, for example, as a biopolymer in aqueous solution or as a dispersion. When spraying the biopolymer preparation, this is broken up into droplets so that an aerosol is formed. During spraying, a portion of the water contained in the sprayable preparation is released into the ambient air, so that the hardening of the biopolymer begins already during spraying. As a result, an accelerated compared to a casting hardening can be made possible.
  • An essential advantage of a material produced by the process according to the invention is the residual moisture bound by the biopolymer, which is preferably in a range of 3-30% by weight, more preferably 5-25% by weight, even more preferably 10 -20% by weight. This makes the material even less flammable and is also completely biodegradable. Also, the high nitrogen content relative to other biopolymers in the case of gelatin contributes to reduced flammability.
  • a pressure nozzle for spraying the biopolymer preparation is preferably a pressure nozzle, in particular a turbulence, flat jet, impact or Hohlkegeltikdüse used.
  • the droplets are formed solely by the kinetic energy of the biopolymer formulation fed to the pressure nozzle.
  • a two-fluid nozzle may be used in which the droplet formation is essentially due to the kinetic energy of a high-velocity carrier gas, for example air.
  • the ambient air to a temperature in the range of 25 ° C to 80 ° C, preferably in the range of 50 ° C to 80 ° C, more preferably in the range of 60 ° C to 70 ° C, tempered.
  • a carrier gas is used for spraying the biopolymer preparation, the carrier gas can alternatively or additionally be heated to a temperature in the range from 25 ° C. to 80 ° C., preferably in the range from 50 ° C.
  • the sprayed biopolymer preparation can be heated during its flight through the carrier gas.
  • the further curing after deposition of the sprayed biopolymer preparation can also be accelerated by the tempered ambient air and / or the tempered carrier gas.
  • the biopolymer preparation is cured by induction heating.
  • the curing can take place in a drying tunnel.
  • an additive is sprayed together with the sprayable biopolymer preparation, wherein the biopolymer preparation and the additive are sprayed into a mold, wherein the biopolymer formulation ent in the mold to form a comprehensive biopolymer ent - Holding composite is cured.
  • a composite material having biopolymer as the matrix material and the additive as particles embedded in the matrix material can be obtained.
  • the additive may be added to the biopolymer formulation prior to spraying. Alternatively or additionally, it is possible to separately supply the biopolymer formulation and the additive to a nozzle and to spray both via the nozzle so that the biopolymer formulation and the additive mix in flight and deposit together on the tool mold.
  • paper fibers can be sprayed together with the sprayable biopolymer composition, making it possible to produce a paper web or a paper-based film by a spray process.
  • a substrate is provided from an additive and the sprayable biopolymer formulation is sprayed onto the substrate, wherein the biopolymer formulation is cured on the substrate to form a gelatin-containing composite material comprising the additive.
  • a composite material can be obtained, which consists of a layer structure with a first layer formed substantially from the additive and a second layer formed essentially from biopolymer.
  • the biopolymer formulation sprayed onto the substrate it is possible for the biopolymer formulation sprayed onto the substrate to at least partially penetrate the substrate to form a composite comprising biopolymer as a matrix material in which the additive is embedded.
  • the substrate is plate-shaped or band-shaped.
  • the substrate may be, for example, a paper web or a film web.
  • the substrate can remove moisture from the biopolymer formulation.
  • Such substrates can be further processed, for example by thermoforming. In thermoforming, such a substrate is preferably subjected to steam and / or inductively heated.
  • the substrate is formed as a molded part.
  • the molded part can be formed, for example, by folding, folding, introduction of beads, punching, perforating, bending or embossing.
  • the stability of the molding can be increased.
  • the molded part can be formed from a substrate with a very small wall thickness, for example with a wall thickness of less than 0.5 mm, preferably less than 0.2 mm, particularly preferably less than 0.1 mm, less than 0.05 mm or less than 0.01 mm.
  • the substrate may include symbols and / or indicia, such as safety notices, application notes, pricing, or decorative pictures. It is possible that the substrate is structured, for example by grooves, nubs or other structures. Preferably, the substrate is printed. Alternatively or additionally, it is possible that the substrate is at least partially, preferably completely, transparent, so that an at least partially, preferably completely, transparent composite material can be obtained. Preferably, the substrate has an opacity of less than 80%, more preferably less than 50%, for example less than 40%, less than 30%, less than 20% less than 10%, less than 5% or less than 1%. on. When using a composite material as a shell for a candle, there is also the advantage that the light generated by the candle can shine through the shell. A preferred embodiment provides that an electrical voltage is applied to the substrate or the mold, whereby a biopolymer-containing layer having a uniform layer thickness can be obtained. In this context, it has proved to be advantageous if the substrate, in particular the paper, is moistened.
  • the additive preferably has a polysaccharide, in particular cellulose and / or starch.
  • the starch may be corn starch, manioc starch, potato starch, wheat starch, rice starch, horse chestnut starch.
  • the additive consists of a polysaccharide, in particular of cellulose and / or starch.
  • the use of polysaccharides, in particular of cellulose and / or starch together with the biopolymer preparation has the advantage that the resulting composite material is easily compostable.
  • the substrate can extract moisture from the biopolymer formulation.
  • such composites are hardly inflammable and / or resistant to UV radiation.
  • the additive may contain coconut fibers and / or algae.
  • the additive is cellulose to form a composite comprising biopolymer, especially gelatin, and cellulose.
  • the additive comprises fibers, preferably textile fibers and / or vegetable fibers, such as, for example, wood fibers and / or coconut fibers and / or algae fibers.
  • the fibers can be used to adjust the mechanical properties of the resulting composite material.
  • a fibrous additive it is possible by a fibrous additive to obtain a flexible composite material after curing.
  • the use of fibers, preferably textile fibers and / or plant-liehe fibers together with the biopolymer preparation has the advantage that the resulting composite material is easily compostable.
  • such composites are flame retardant.
  • the additive has grains of sand, in particular quartz sand grains, and / or crystals.
  • grains of sand and / or crystals the appearance of the obtained composite material can be influenced.
  • a composite material may be obtained to form decorative articles and / or shells.
  • the use of sand grains and / or crystals together with the biopolymer preparation has the advantage that the resulting composite material is easily compostable.
  • Various products in particular disposable products, can be produced from the gelatin-containing composite material according to the invention, the following selection describing only a part of the possible fields of application: films, packaging films, protective films for monitors or mobile phones, films for blisters, drinking straws, cups, in particular drinking cups, electrical and / or thermal insulators.
  • Another object of the invention is a method for producing a material, in particular a composite material containing biopolymer, wherein a substrate or an immersion body is immersed in a liquid biopolymer preparation, and the biopolymer preparation is cured.
  • the liquid biopolymer preparation for a submersed body is an aqueous solution of gelatin obtained from a powdered gelatin (eg, gelatin CAS No. 9000-70-8, EINECS No. 232-554-6) ,
  • a powdered gelatin eg, gelatin CAS No. 9000-70-8, EINECS No. 232-554-6
  • the pulverulent gelatin preferably has a bloom value of at least 120 g, preferably at least 140 g, particularly preferably at least 230 g of bloom, determined by the AOAC method according to the monograph "Standardized Methods for the Testing of Edible Gelatin", Short Version 12, May 2017 by Gelatine Manufacturers of Europe
  • a higher Bloom value accelerates the solidification of the gel mass on the submount or the substrate, where too rapid solidification on some substrates may be undesirable if, for example, this reduces penetrability with gelatin.
  • the liquid gelatin composition ie an aqueous solution of the gelatin, has a pH of from 4.5 to 9, preferably 5.20 to 6.00, determined in a 6.67% strength by weight solution at 60 ° C. of the method according to the monograph "Standardized Methods for the Testing of Edible Gelatin", Short Version 12, May 2017 by Gelatine Manufacturers of Europe.
  • the liquid gelatin composition has a viscosity of from 3.5 to 9.0 mPas, more preferably from 4.00 to 5.00 mPas, determined in a 6.67% strength by weight solution at 60 ° C.
  • the liquid gelatin composition has a transmission at 620 nm of at least 85%, preferably 95% and / or a transmission at 450 nm of at least 70%, preferably at least 81%, in each case determined in a 6.67% by weight Solution according to the method according to the monograph "Standardized Methods for the Testing of Edible Gelatin", Short Version 12, May 2017 by Gelatine Manufacturers of Europe.
  • a higher transmission promotes the transparency of the end product.
  • the conductivity is preferably ⁇ 1500 ⁇ 8 / ⁇ "besonders, particularly preferably ⁇ 250 ⁇ 8 / ⁇ " bestimmt, determined in a 1, 0 wt .-% solution at 30 ° C by the method according to the Monograph "Standardized Methods for the testing of edible gelatin ", Short Version 12, May 2017 by Gelatine Manufacturers of Europe.
  • Such a liquid gelatin composition which combines the aforementioned properties of bloom value, pH, viscosity, transmission at 620 nm and 450 nm and conductivity, can be obtained, for example, by preparing an aqueous solution of gelatin, such as under the name GELITA IMAGEL ® TC by GELITA AG, DE-69412-Eberbach is commercially available on the market.
  • GELITA IMAGEL ® TC by GELITA AG, DE-69412-Eberbach is commercially available on the market.
  • the equilibrium moisture content of this gelatin is approx. 10% by weight, ie this residual water content reversibly sets after drying under normal conditions, irrespective of how much water is used in the dissolving process.
  • An appropriate composition is characterized by a high transparency, high stability of the viscosity over a long period of time at elevated temperature, and by a good pH for stability against hydrolysis.
  • the immersion body has an outer contour with a dip area, which is immersed in the liquid biopolymer preparation.
  • the dipping area preferably corresponds to a negative of the inner contour of the material to be produced.
  • the immersion body can be removed from the liquid biopolymer preparation.
  • the layer of the biopolymer preparation which coats the outer contour of the immersion body can be cured and dried.
  • the immersion body has an ejection device, which is adapted to a material which is formed by a on the outer contour of the immersion solidified biopolymer preparation of the immersion body to solve.
  • an ejection device can be designed as an ejection element, which is movable relative to a base element of the immersion body, for example pivotable or linearly movable.
  • the ejection element can be actuated, ie moved relative to the base element.
  • the ejection device may have a device for discharging a gas, in particular air, from the outer contour of the immersion body.
  • the gas can be omitted and separate the material from the immersion body.
  • An ejection device may preferably be used in such submerged bodies which consist of a metal, for example steel.
  • the immersion body which is immersed in the liquid biopolymer preparation, a plastic, in particular a silicone kon on.
  • the plastic in particular the silicone, is preferably deformable or deformable.
  • the immersion body has a deformable plastic hü He, in particular a deformable silicone shell, and a cavity which is at least partially enclosed by the deformable plastic hü He, in particular the deformable silicone shell.
  • the immersion body in particular the plastic sheath or silicone sheath, can be deformed after removal of the immersion body from the liquid biopolymer preparation in such a way that the cavity is at least partially reduced in size.
  • the removal of the deposited on the outer surface of the immersion body, in particular solidified, biopolymer preparation is facilitated.
  • a material which is designed in the manner of a shell for a candle and having an undercut to remove from the immersion body is also possible.
  • the plastic sheath in particular silicone sheath
  • the immersion body, in particular the plastic sheath, in particular silicone sheath is subjected to an overpressure in the cavity before immersion in the biopolymer preparation or a gas, in particular air, is introduced into the cavity.
  • the polarity of the polar plastic in particular polar silicone
  • a voltage source and / or a current source can be provided, via which the polarity of the polar plastic or silicone can be influenced.
  • the silicone has at least in some areas or even completely a planar surface structuring which therefore extends over the desired area.
  • the surface structuring which is largely homogeneous in its structural form, that is its shape as uniform as possible over the surface, may preferably have a roughness of between 5 .mu.m.sup.2-.mu.m.sup.2.
  • the term "roughness" is understood to mean the roughness depth R.sub.z.
  • the surface structuring is formed by continuously alternating recesses and elevations, it is designed so that the desired roughness results.
  • the immersion body is formed by a combustible material of a candle.
  • the combustible material may be dipped one or more times in the liquid biopolymer formulation.
  • the combustible material can be partially immersed in the liquid biopolymer, In this way, a material in the form of a cup-like vessel of the biopolymer preparation produce, whose inner contour is adapted to the outer contour of the combustible material.
  • the flammable material it is possible for the flammable material to be completely immersed in the liquid biopolymer formulation to form an encapsulated container for the combustible material.
  • a wick of the candle is already connected to the combustible material prior to immersion of the combustible material in the liquid biopolymer formulation. More preferably, the combustible material is held by the wick as it is dipped so that the combustible material on the wick can be withdrawn from the liquid biopolymer formulation.
  • the immersion body is formed by a combustible material, in particular a candle
  • the combustible material has preferably been formed by pressing in a method step preceding the immersion process.
  • the combustible material has a wick.
  • the combustible material Wax for example beeswax, stearin and / or paraffin, so in particular hardened or refined vegetable and / or animal fats, wax-like materials and / or technical wax mixtures.
  • the immersion body formed from the combustible material is first cooled, in particular snap-frozen, and then immersed in the liquid biopolymer preparation.
  • the cooling of the immersion body can be done for example by cold air, which is blown in the direction of the immersion body.
  • This air preferably has a temperature in the range from 10 to 20 ° C., preferably in the range from 15 to 18 ° C., for example 16 ° C.
  • the biopolymer preparation is preferably dried on the substrate or the immersion body, in particular by blowing warm air.
  • This warm air may have a temperature in the range of 20 to 30 ° C, preferably 23 to 28 ° C, for example 25 ° C.
  • the air humidity of this air is preferably 40% to 60%, particularly preferably 45% to 55%, for example 51%.
  • the drying can take place in a continuous apparatus, for example in a drying tunnel.
  • the solidified biopolymer composition is dried for a drying time that is in the range of 30 minutes to 4 hours, preferably in the range of 45 minutes to 3 hours.
  • further drying processes can be used, for example inductive drying, drying by means of a heat lamp or infrared radiation.
  • the material may be cut after solidification and optionally drying to obtain a vascular material with a smooth edge.
  • the method described above can be used, on the one hand, to form a material in the form of a cup-shaped vessel.
  • the method described above for forming a material in the form of a coating of the outer contour of a combustible material of a candle may be used.
  • the immersion body For immersing the immersion body, it is preferable to introduce the immersion body into the liquid biopolymer preparation and / or to remove the immersion body from the liquid biopolymer preparation by a linear movement, in particular perpendicular to the surface of the liquid biopolymer preparation.
  • the diving body for diving be introduced by a pivoting movement about a pivot axis in the liquid biopolymer preparation and / or removed from the liquid biopolymer preparation.
  • the wetted with the liquid biopolymer preparation immersion body is pivoted after removal of the immersion body from the biopolymer preparation about a pivot axis to adjust the distribution of the liquid biopolymer preparation on the outer contour of the immersion body.
  • the immersion body is pivoted from a submersed position in which a bottom region of the immersion body is directed downward, in a first pivoting direction, a first pivot position, wherein the immersion body in the first pivot position particularly preferred over the immersion position by an angle in the range of 10 ° to 60 °, preferably 15 ° to 45 °, particularly preferably 20 ° to 40 °, is pivoted.
  • the immersion body is moved starting from the first pivoting position into a second pivoting position, preferably by a pivoting movement in a second pivoting direction, which is opposite to the first pivoting direction.
  • the second pivoting position of the immersion body is preferably pivoted by 180 ° relative to the dive position.
  • the immersion body in the second pivot position is directed upward. In this way, a uniform wetting of an immersion body with a flat bottom area can be achieved.
  • the immersion body is formed by a combustible material, in particular a candle, it has proved to be advantageous to use an aqueous solution of gelatin as biopolymer preparation which consists of a powdery gelatin (eg gelatin with the CAS No. 9000-70). 8, EINECS No.
  • the powdered gelatin has a bloom value in the range of at least 140 Bloom, more preferably 285 to 315 g Bloom, determined by the AOAC method according to the monograph "Standardized Methods for the Testing of Edible Gelatin", short version 12, May 2017 by Gelatine Manufacturers of Europe
  • the liquid gelatin composition ie an aqueous solution of the gelatin, has a pH of 4.5 to 9, more preferably 5.00 to 5.70, determined in a 6.67 wt. % solution at 60 ° C. by the method according to the monograph "Standardized Methods for the Testing of Edible Gelatin", Short Version 12, May 2017 by Gelatine Manufacturers of Europe.
  • the liquid gelatin composition has a viscosity of 3.0 to 5.0 mPas, more preferably 3.45 to 4.35 mPas, determined in a 6.67 wt .-% solution at 60 ° C by the method according to the monograph "Standardized Methods for the Testing of Edible Gelatine ", Short Version 12, May 2017 by Gelatine Manufacturers of Europe.
  • the liquid gelatin composition has a transmission at 620 nm of at least 85%, more preferably 95%, and / or a transmission of 450 nm of at least 75%, more preferably 87%, determined in a 6.67% by weight Solution according to the method according to the monograph "Standardized Methods for the Testing of Edible Gelatin", Short Version 12, May 2017 by Gelatine Manufacturers of Europe.
  • the conductivity is preferably ⁇ 1500 ⁇ 5 / ⁇ ", particularly preferably 80 to 240 ⁇ 8 / ⁇ " bestimmt, determined in a 1, 0 wt .-% solution at 30 ° C by the method according to the Monograph "Standardized Methods for the Testing of Edible Gelatin ", Short Version 12, May 2017 by Gelatine Manufacturers of Europe.
  • Such a liquid gelatin composition which combines the aforementioned properties of bloom value, pH, viscosity, transmission at 620 nm and 450 nm and conductivity, can be obtained, for example, by preparing an aqueous solution of gelatin, such as under the name GELITA IMAGEL ® AP from GELITA AG, DE-69412-Eberbach is commercially available on the market.
  • GELITA IMAGEL ® AP from GELITA AG, DE-69412-Eberbach is commercially available on the market.
  • the equilibrium moisture content of this gelatin is about 10% by weight, ie this residual water content is reversibly established after drying under normal conditions, regardless of how much water is used in the dissolving process.
  • a corresponding composition is characterized by high transparency, rapid gelation, good stabilization of added particles, e.g. Glitter, metal particles, sand, etc.
  • the liquid biopolymer compositions described herein may also contain one or more Preservatives are added, preferably selected from the group consisting of phenoxyethanol, methylisothiazolinone (MIT), benzisothiazolinone (BIT) and orthophenylphenol (OPP).
  • Preservatives preferably selected from the group consisting of phenoxyethanol, methylisothiazolinone (MIT), benzisothiazolinone (BIT) and orthophenylphenol (OPP).
  • MIT methylisothiazolinone
  • BIT benzisothiazolinone
  • OPP orthophenylphenol
  • the biopolymer preparation provided in sprayable form can be present, for example, as a biopolymer in aqueous solution or as a dispersion. When spraying the biopolymer preparation, this is broken up into droplets so that an aerosol is formed. During spraying, a portion of the water contained in the sprayable preparation is released into the ambient air, so that the hardening of the biopolymer begins already during spraying. As a result, an accelerated compared to a casting hardening can be made possible.
  • the composite material containing biopolymer is preferably provided as a tape or as a film.
  • the composite material can be formed by spraying the biopolymer preparation onto a plate-shaped or band-shaped substrate made of a particularly cellulose-containing additive.
  • the composite is formed by spraying the gelatin onto a ribbon-shaped paper.
  • the composite comprising biopolymer is formed by thermoforming to form the shell. Thermoforming, which is also referred to as deep drawing or as hot forming, is particularly suitable for forming biopolymer-containing composite materials which are plate-shaped, band-shaped or foil-shaped.
  • the biopolymer-containing composite can be heated and then molded under pressure and / or vacuum into a die.
  • a stamp can be used which presses the biopolymer-containing composite material into the matrix.
  • the die and / or the punch are at least two parts, wherein the parts are movable relative to each other, in particular to each other and can be moved away from each other.
  • the two parts of the stamp are moved away from one another for forming the envelope and moved towards one another for demolding.
  • the matrix is exactly the opposite. This makes it possible to produce thermoformed shells with a cylindrical wall or sheaths with an undercut, which are demoldable. As a result, side walls are produced, which are provided at an angle ⁇ of substantially 90 ° or less to the bottom portion, which allows the stackability of two candles on each other.
  • the combustible material of the candle is in particular wax, for example beeswax, stearin and / or paraffin, ie in particular hardened or refined vegetable and / or animal fats, wax-like materials and / or industrial wax mixtures.
  • the wick is surrounded by the combustible material.
  • the combustible material is initially solid and is at least partially liquefied by the heat output of the burning wick.
  • the combustible material preferably has no dyes.
  • the combustible material is mixed with one or more perfumes.
  • the combustible material is mixed with an additive which causes a flame coloring. This makes it possible in an advantageous manner to provide a white or colored candle, in particular a candle, which is colored even in the lighted state, that has a colored flame up. If the material from which the trough or the material is made, is colored, an aesthetically pleasing overall color impression is achieved.
  • liquid fuel materials can also be used at room temperature, in particular at 14 to 26 ° C.
  • liquid fuel materials are vegetable oils, preferably rapeseed oil, sunflower oil, soybean oil, olive oil or mixtures of at least two of these aforementioned materials. These liquid fuels may be colorless or have one or more dyes so as to give an aesthetically pleasing impression.
  • the liquid fuel may be mixed with one or more perfumes.
  • the liquid fuel may be added with an additive which causes a flame coloring. This makes it possible in an advantageous manner to provide a white or colored candle, in particular a candle, which is colored even in the lighted state, ie having a colored flame.
  • the material from which the trough or the material is made can also be colored.
  • the liquid fuel preferably has a fragrance whose fragrance unfolds and / or changes when the fuel is burned off.
  • the liquid fuel material has a dye, which is distributed when the fuel is burned off, activated or changes the overall color impression.
  • the liquid fuels are much less expensive than, for example, hardened refined waxes of mineral oil or vegetable fats.
  • Another advantage, especially of vegetable oils is that they are obtained from renewable raw materials and are very pure, especially soot-free.
  • the use of liquid fuel can be compared with the use of solid fuel some processing steps in their production accounts, so that they can be produced time and energy-saving.
  • Another great advantage that the use of liquid fuel materials entails is that the candles containing these fuels can be burned off even at colder temperatures than candles that have solid fuels, for example at temperatures down to -25 ° C or up to -10 ° C or up to -5 ° C or up to 0 ° C. This is particularly advantageous in all applications where the candle is burned under cool outdoor conditions or in cool rooms, for example when used as a floating candle, cemetery candle, church or temple.
  • the combustible material is preferably filled into the shell as a liquid or pasty medium and hardens there. If the element is leak-proof sealed, the fuel mass can be liquid.
  • the shell is cooled before, during, and / or after the introduction of the combustible material to accelerate the curing of the combustible material.
  • the combustible material is introduced into the shell and after filling the combustible material, a cover connected to the shell is applied to the shell, wherein the cover is in particular produced by providing a biopolymer preparation in sprayable form, the Sprayable biopolymer preparation is sprayed and cured.
  • the shell is preferably first produced by spraying the spray-ready biopolymer preparation into a tool mold. Thereafter, the shell can be cured. Thereafter, a wick, preferably a wick connected to a wick holder, may be incorporated into the sheath.
  • the, in particular liquid, combustible material in the Shell be introduced from the biopolymer-containing material.
  • the lid may be applied to the envelope by providing, as mentioned above, a biopolymer composition in a sprayable form and spraying it onto the envelope and the combustible material. Thereafter, the material of the lid can be cured to obtain an encapsulated candle.
  • the wick of the candle is a thread-like mesh.
  • the wick in particular on its outer side, comprises a stiffening agent, for example a hard wax coating and / or a sleeve, in particular of a combustible material.
  • a stiffening agent for example a hard wax coating and / or a sleeve, in particular of a combustible material.
  • the shell of the candle on a bottom and a wall portion.
  • the floor and wall area are preferably provided in one piece, but may alternatively be provided in several parts, wherein the floor and wall area connected to each other, in particular glued together, nested or non-positively connected, are.
  • the casing is preferably a cup-like casing which at least partially, preferably completely absorbs the combustible material.
  • the shell may be formed as a trough.
  • the outer circumference of the plastic element, in particular the wall region can also be at least partially enclosed by the combustible material.
  • the plastic element is not separated from the combustible material, but represents an important element of the candle, for example, to prevent the combustible material runs uncontrolled and / or, for example, for fire protection, for example so that the wick is not in contact with the bearing surface of the candle comes.
  • the candle has a wick holder for holding the wick.
  • the wick holder may be associated with the wick, especially one end of the wick.
  • the wick holder is connected to the bottom of the shell of the candle.
  • the wick holder is formed from a material comprising biopolymer.
  • a biopolymer-containing composite may be provided according to a method of making a composite described above. This makes it possible to replace in the prior art used wick holder made of metals, so that the candle is fully compostable after their burning.
  • the sheath has a bottom portion in which an indentation and / or bulge and / or an opening is provided, in which the wick and / or a wick holder is attached or at least partially embedded.
  • the attachment is particularly preferably by a form, force and / or the material connection.
  • the indentation or bulge prevents the wick from slipping during the manufacture of the candle and / or when the candle burns off.
  • the indentation and / or bulge has an undercut which cooperates positively and / or non-positively with the wick and / or with the wick holder.
  • the floor area is at least partially provided inclined to the horizontal. This ensures that the combustible material that liquefies when the candle burns, flows in the direction of the wick, so that at least as complete as possible burning of the combustible material is ensured.
  • the wick holder is formed integrally with the shell.
  • Another object of the invention is a method for producing a candle with a combustible material, a wick and a shell in which the combustible material and the wick are arranged, wherein the formation of the shell, a liquid biopolymer-containing material, in particular composite material, in a mold is filled and the mold is moved to distribute the liquid biopolymer-containing material to the inner contour of the mold.
  • Another object of the invention is a method for producing a candle with a flammable material, a wick and a shell, in which the combustible material and the wick are arranged, wherein for forming the shell, in particular a pressed, combustible material in a liquid biopolymer preparation is dipped, and the biopolymer preparation is cured.
  • the combustible material can be partially immersed in the liquid biopolymer, In this way, a shell in the form of a cup-like vessel of the biopolymer preparation produce, whose inner contour is adapted to the outer contour of the combustible material.
  • the flammable material it is possible for the flammable material to be completely immersed in the liquid biopolymer formulation to form an encapsulated container for the combustible material.
  • a wick of the candle is already connected to the combustible material prior to immersion of the combustible material in the liquid biopolymer formulation.
  • the combustible material when immersed by the Wick held is particularly preferred, so that the combustible material can be pulled out of the liquid biopolymer preparation at the wick.
  • the combustible material has preferably been formed by pressing in a process step preceding the dipping process.
  • the combustible material has a wick.
  • the combustible material may be, for example, wax, for example beeswax, stearin and / or paraffin, ie in particular hardened or refined vegetable and / or animal fats, wax-like materials and / or industrial wax mixtures.
  • the combustible material is first cooled, in particular snap-frozen, and then immersed in the liquid biopolymer preparation.
  • the cooling of the combustible material can for example be done by cold air, which is blown in the direction of the immersion body. This air preferably has a temperature in the range from 10 to 20 ° C., preferably in the range from 15 to 18 ° C., for example 16 ° C.
  • the cooling of the combustible material can be done with liquid nitrogen.
  • the biopolymer composition is dried on the combustible material, in particular by blowing warm air.
  • This warm air may have a temperature in the range of 20 to 30 ° C, preferably 23 to 28 ° C, for example 25 ° C.
  • the humidity of this air is preferably 40% to 60%, particularly preferably 45% to 55%, for example 51%.
  • the drying can take place in a continuous apparatus, for example in a drying tunnel.
  • the solidified biopolymer composition is dried for a drying time ranging from 30 minutes to 4 hours, preferably in the range of 45 minutes to 3 hours.
  • further drying processes can be used, for example inductive drying, drying by means of a heat lamp or infrared radiation.
  • Another object of the invention is a candle with a combustible material, a wick and a shell in which the combustible material and the wick are arranged, wherein the shell is formed of a composite material containing biopolymer.
  • the shell is formed of material consisting of biopolymer.
  • the biopolymer has gelatin.
  • the shell preferably has a thickness in the range of 1.4 to 1.8 mm, particularly preferably 1.6 to 1.8 mm. In one embodiment, in which the shell comprises or is formed from gelatin, this leads to a serious flammability. Alternatively, preferably, the thickness of the shell ⁇ 1, 4 mm, so that the shell itself is also flammable.
  • the candle has a wick holder for holding the wick, wherein the wick holder is formed from a material comprising biopolymer, in particular from a biopolymer-containing composite material.
  • the wick holder may be associated with the wick, especially one end of the wick.
  • the wick holder is connected to the bottom of the shell of the candle.
  • a gelatin-containing composite may be provided according to a method described above for producing a gelatin-containing composite. This makes it possible to replace in the prior art used wick holder made of metals, so that the candle is fully compostable after their burning.
  • the advantageous features and configurations described in connection with the material, in particular the composite material, with the methods for producing a material, in particular a composite material, or method for producing a candle may also be used alone or in combination, and vice versa.
  • FIG. 1 shows a side view of a candle made according to a first exemplary embodiment of the production method according to the invention.
  • Figures 2a-f show a candle, which is manufactured according to a second embodiment of the manufacturing method according to the invention.
  • FIG. 3 shows a flowchart for illustrating a first exemplary embodiment of the production method according to the invention.
  • FIG. 4 shows a flowchart for illustrating a first exemplary embodiment of the production method according to the invention.
  • Figures 5a and 5b show a wick with a wick holder in a side view and a perspective view.
  • Figure 6 shows a third embodiment of a candle, which is made according to a manufacturing method according to the invention.
  • Figure 7 shows a fourth embodiment of a candle, which is made according to a manufacturing method according to the invention.
  • FIG. 8 shows a flowchart for illustrating a third exemplary embodiment of the production method according to the invention.
  • FIG. 9 shows a flowchart for illustrating a third exemplary embodiment of the production method according to the invention.
  • FIG. 1 shows the candle 1 produced according to the invention.
  • the candle 1 comprises a combustible material 3, for example wax, a wax-like material or a technical wax mixture, in which a wick 4 is provided.
  • the combustible material 3 and the wick 4 are arranged in sheath 2.
  • This shell 2 which in the present case has a bottom area 2.2 and a wall area 2.1, consists at least of a gelatin-containing composite material.
  • the gelatin may be crosslinked and is preferably admixed with at least one substance which reduces the flammability of the gelatin and / or the polysaccharide and / or the cellulose and / or increases the glass transition temperature thereof.
  • the candle is a so-called tealight, in which the shell 2 completely absorbs the combustible material 3 and the wick 4.
  • the combustible material is burned by means of the wick in the shell 2. Thereafter, the shell 2 is disposed of, for example, by composting.
  • the envelope 2 is deep-drawn from a gelatin-containing film which, in addition to the gelatinous tine has an additive.
  • the additive is preferably a polysaccharide, in particular cellulose and / or starch.
  • the starch may be corn starch, manioc starch, potato starch, wheat starch, rice starch, horse chestnut starch.
  • Figures 2a-2f show a second candle 1 made according to the invention.
  • the candle 1 has a shell 2, a wick 4 and a combustible material 3 surrounding the wick 4.
  • the shell 2 has a bottom region 2.2 and a cylindrical wall region 2.1 here.
  • the combustible material 3 rests on the floor area 2.2.
  • the height of the wall portion 2.1 in the present case is smaller than the height of the combustible material 3. According to a modification of the illustrated candle, the height of the combustible corresponds
  • the inner contour of the shell 2 may be provided such that the shell 2 encloses the outer contour of the combustible material 3 substantially gap-free.
  • the contour of the side wall 2. 1 it is also possible for the contour of the side wall 2. 1 to be smaller or larger than the contour of the combustible material 3 so that the side wall 2. 1 of the shell 2 is not visible or there is a gap between the inner contour of the side wall 2 flammable material 3 is provided.
  • the shell 2 can therefore serve as a candle holder, for example in an advent calendar. It then prevents the leakage of wax and serves as a burn stop for the wick. 4
  • the gelatin is provided in a supply step 101 in sprayable form, that is, for example, as gelatin in aqueous solution or as a dispersion.
  • the gelatin is sprayed in a spraying step 102.
  • a pressure nozzle in particular a turbulence, flat jet, impact or Hohlkegeltikdüse used.
  • a two-fluid nozzle can be used which is operated, for example, with air as a carrier gas.
  • an additive is sprayed together with the sprayable gelatin.
  • the gelatin and additive are sprayed into a die mold in the spraying step 102 and cured in the tool mold to form an additive-containing gelatinous composite.
  • the additive used is a polysaccharide, in particular cellulose and / or starch.
  • a rest phase 103 following the spraying step 102 the composite comprising the gelatin and the filler material is cured.
  • the rest phase 103 can be shorter in the spray method according to the invention.
  • the tool mold is a negative mold of a candle envelope, so that the composite material is formed in the form of a shell of a candle. After the shell has cured, a wick is inserted into the shell, see step 201.
  • a combustible material preferably in liquid or pasty form, is filled into the envelope.
  • the combustible material hardens.
  • the shell may be cooled before, during, and / or after filling the combustible material to accelerate the curing of the combustible material.
  • a candle which comprises a combustible material, a wick and a shell in which the combustible material and the wick are arranged.
  • the wick of the candle is lit and the combustible material liquefies within the envelope and burns successively.
  • the empty shell can then be composted.
  • the gelatin is provided in a supply step 101 in sprayable form, that is, for example, as gelatin in aqueous solution or as a dispersion.
  • a substrate of an additive such as cellulose and / or starch is provided.
  • the substrate is preferably a plate-shaped or band-shaped substrate, for example a paper web or a film web.
  • the sprayable gelatin is sprayed onto the substrate.
  • the gelatin can in particular completely wet the surface of the substrate.
  • the gelatin penetrates into the substrate.
  • the gelatin is cured to obtain a gelatin-containing composite material comprising the additive.
  • This composite material is plate-shaped or band-shaped or foil-like and has gelatin as matrix material.
  • a thermoforming step 104 the gelatin-containing composite is thermoformed to form the shell.
  • the gelatin-containing composite material can be heated and then formed under pressure and / or vacuum in a die.
  • a stamp can be used which presses the gelatin-containing composite material into the matrix.
  • water vapor can be supplied.
  • the envelope of the candle is provided with a wick (step 201) and then filled in a filling step 202 with flowable combustible material at least partially, preferably only partially.
  • the combustible material hardens in the deep-drawn shell (step 203).
  • the shell may be cooled before, during, and / or after filling the combustible material to accelerate the curing of the combustible material.
  • FIG. 4 With the manufacturing process shown in FIG. 4, a candle 1 is obtained which has a combustible material 3, a wick 4 and a casing in which the combustible material 3 and the wick 4 are arranged.
  • the wick 4 of the candle 1 is lit and the combustible material 3 liquefies within the shell 2 and burns successively.
  • the empty shell 2 can then be composted.
  • FIGS. 5a and 5b show a wick holder 7 which is connected to the wick 4.
  • the wick holder 7 is connected to the shell 2, for example glued.
  • the adhesive also comprises gelatin.
  • the wick holder 7 is made of the same material as the shell 2 and / or has at least gelatin.
  • the candle 1 has a combustible material 3, for example wax wax-like material or a technical wax mixture, in which a wick 4 is provided.
  • the combustible material 3 and the wick 4 are arranged in a shell 2.
  • the wick 4 is connected at one end to a wick holder 7.
  • the wick holder is connected to the bottom of the shell 2 of the candle 1.
  • the candle 1 according to FIG. 7 differs from the candle shown in FIG. 6 in that it additionally has a lid 6 which closes off the envelope 2, the lid 6 comprising an opening for the wick 4.
  • a candle may preferably have a liquid combustible material 3.
  • a method is used, in which the combustible material 3 is filled into the shell 2 and after filling the combustible material 3, a cover 6 connected to the shell 2 is applied to the shell 2, the cover 6 is prepared by providing gelatin in a sprayable form which sprays and hardens the sprayable gelatin.
  • the shell 2 is first produced by spraying the spray-ready gelatin into a mold. Thereafter, the shell 2 can be cured.
  • the wick 4 preferably a wick 4 connected to a wick holder 7, can be introduced into the shell 2.
  • the, in particular liquid, combustible material can be introduced into the shell 2 from the gelatin-containing material.
  • the lid 6 may be applied to the envelope by providing gelatin in a sprayable form, as mentioned above, and onto the
  • Case 2 and the combustible material is sprayed. Thereafter, the material of the lid 6 can be cured to obtain an encapsulated candle 1 with liquid combustible material 3.
  • the material of the lid 6 can be cured to obtain an encapsulated candle 1 with liquid combustible material 3.
  • the biopolymer preparation is provided in a supply step 301 in liquid form, that is, for example, as gelatin in aqueous solution or as a dispersion.
  • a combustible material in solid form is provided, for example, a pressed combustible material.
  • the combustible material is already connected to a wick of the candle.
  • the cooling step 302 following the provisioning step 301 the combustible material is cooled, in particular snap-frozen.
  • the cooling is done by cold air, which is blown in the direction of the combustible material. This air is preferred a temperature in the range of 10 to 20 ° C, preferably in the range of 15 to 18 ° C, for example 16 ° C on.
  • the combustible material is immersed in the liquid biopolymer preparation.
  • the combustible material can be held, for example, on the, in particular upward from the combustible material protruding, wick.
  • the combustible material may be held directly, for example, by a gripping device that grips the combustible material, or by a vacuum suction device, which sucks the combustible material by negative pressure.
  • the combustible material wetted with the biopolymer composition is removed from the liquid biopolymer preparation and pivoted in a pivoting step 304 to adjust the distribution of the biopolymer formulation on the outer contour of the combustible material.
  • the biopolymer formulation shell is dried in a drying step 305, in particular by blowing warm air.
  • This warm air may have a temperature in the range of 20 to 30 ° C, preferably 23 to 28 ° C, for example 25 ° C.
  • the humidity of this air is preferably 40% to 60%, particularly preferably 45% to 55%, for example 51%.
  • the drying can take place in a continuous apparatus, for example in a drying tunnel.
  • the solidified biopolymer composition is dried for a drying time that is in the range of 30 minutes to 4 hours, preferably in the range of 45 minutes to 3 hours.
  • further drying processes can be used, for example inductive drying, drying by means of a heat lamp or infrared radiation.
  • the biopolymer preparation is provided in a supply step 401 in liquid form, that is, for example, as gelatin in aqueous solution or as a dispersion.
  • a cooling step 402 following the provisioning step 401 an immersion body, for example made of a metal or of a plastic, in particular a silicone, is cooled.
  • the immersion body has an outer contour, which is the inner contour of the to be formed Material, here a shell of the candle, corresponds.
  • the cooling is done by cold air, which is blown in the direction of the combustible material. This air preferably has a temperature in the range from 10 to 20 ° C., preferably in the range from 15 to 18 ° C., for example 16 ° C.
  • the immersion body is immersed in the liquid biopolymer preparation.
  • the immersion body wetted with the biopolymer preparation is removed from the liquid biopolymer preparation, for example by a linear movement perpendicular to the surface of the liquid biopolymer preparation.
  • the immersion body is pivoted in order to adjust the distribution of the biopolymer preparation on the outer contour of the combustible material.
  • the immersion body is pivoted from a submersed position, in which a bottom region of the immersion body is directed downward, in a first pivoting direction, a first pivotal position, wherein the immersion body in the first pivot position particularly preferred over the immersion position by an angle in the range of 10 ° to 60 °, preferably 15 ° to 45 °, more preferably 20 ° to 40 °, is pivoted.
  • the immersion body is moved starting from the first pivoting position into a second pivoting position, preferably by a pivoting movement in a second pivoting direction, which is opposite to the first pivoting direction.
  • the immersion body in the second pivot position is preferably pivoted by 180 ° relative to the dive position. In this respect, the immersion body in the second pivot position is directed upward. In this way, a uniform wetting of an immersion body with a flat bottom area can be achieved.
  • the biopolymer formulation shell is dried in a drying step 405, in particular by blowing warm air.
  • This warm air may have a temperature in the range of 20 to 30 ° C, preferably 23 to 28 ° C, for example 25 ° C.
  • the humidity of this air is preferably 40% to 60%, particularly preferably 45% to 55%, for example 51%.
  • the drying can take place in a continuous apparatus, for example in a drying tunnel.
  • the solidified biopolymer composition is dried for a drying time that is in the range of 30 minutes to 4 hours, preferably in the range of 45 minutes to 3 hours.
  • further drying processes can be used, for example inductive drying, drying by means of a heat lamp or infrared radiation.
  • a demoulding step 406 follows, in which the hardened shell of the biopolymer preparation is detached from the immersion body.
  • an ejection device can be used which releases the envelope from the immersion body by a movement of an ejection element or by discharging a gas.
  • the immersion body is preferably deformed for removal from the mold.
  • the immersion body may have a deformable plastic sheath, in particular a deformable silicone sheath, and a cavity which is at least partially enclosed by the deformable plastic sheath, in particular the deformable silicone sheath.
  • the immersion body in particular the plastic sheath or silicone sheath, can be deformed in such a way that the cavity is at least partially reduced in size.
  • the removal of the deposited on the outer surface of the immersion body, in particular solidified, biopolymer preparation is facilitated.
  • the envelope of the candle may be cut on its open side to create a straight top edge of the envelope.
  • a wick is then introduced into the shell.
  • a combustible material preferably in liquid or pasty form, is filled into the envelope.
  • the combustible material hardens.
  • the shell may be cooled before, during, and / or after filling the combustible material to accelerate the curing of the combustible material.

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Abstract

La présente invention concerne un procédé pour la fabrication d'un matériau contenant de la gélatine, en particulier d'un matériau composite, une préparation de biopolymère étant préparée sous une forme pulvérisable, la préparation de biopolymère pulvérisable étant pulvérisée et durcie. L'invention concerne en outre un procédé pour la fabrication d'un matériau contenant un biopolymère, en particulier d'un matériau composite, un substrat étant immergé dans une préparation liquide de biopolymère et la préparation de biopolymère étant durcie. En outre, l'invention concerne un procédé pour la fabrication d'une bougie présentant un matériau combustible, une mèche et une enveloppe, dans laquelle le matériau combustible et la mèche sont disposés, un matériau composite contenant un biopolymère étant préparé selon un procédé indiqué ci-dessus pour la formation de l'enveloppe. Un autre objet de l'invention concerne un procédé pour la fabrication d'une bougie, présentant un matériau combustible, une mèche et une enveloppe, dans laquelle le matériau combustible et la mèche sont disposés, un matériau liquide contenant un biopolymère, en particulier un matériau composite, étant introduit dans un moule creux pour la formation de l'enveloppe et le moule creux étant bougé pour répartir le matériau liquide contenant de la gélatine sur le contour interne du moule creux. L'invention concerne en outre une bougie présentant un matériau combustible, une mèche et une enveloppe, dans laquelle le matériau combustible et la mèche sont disposés, l'enveloppe étant formée par un matériau composite contenant un biopolymère.
EP18793666.1A 2017-10-26 2018-10-26 Procédé de fabrication d'un matériau composite contenant un biopolymère et procédé de fabrication d'une bougie Pending EP3701000A1 (fr)

Applications Claiming Priority (3)

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DE102017219225 2017-10-26
DE102017220997 2017-11-23
PCT/EP2018/079497 WO2019081761A1 (fr) 2017-10-26 2018-10-26 Procédé de fabrication d'un matériau composite contenant un biopolymère et procédé de fabrication d'une bougie

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WO2022248618A1 (fr) 2021-05-26 2022-12-01 Cup Candle Gmbh Bougie multiphase et son procédé de production

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DE1800472A1 (de) * 1968-10-02 1970-05-21 Summers James R Kerze od.dgl.
WO1997036973A1 (fr) * 1996-03-28 1997-10-09 Jakob Silbiger Godet de bougie a meche integree
FI105480B (fi) 1999-03-19 2000-08-31 Pertti Vesa Olavi Mustonen Hautakynttilä
CN2391882Y (zh) * 1999-08-21 2000-08-16 方毅红 彩焰生日烛
FI115401B (fi) * 2004-01-19 2005-04-29 In West Oy Ulkokynttilä ja ulkokynttilää suojaava kuori
DE202012102360U1 (de) * 2012-06-27 2012-07-24 Dieter Raasch Halter für eine Kerze

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