EP2906407A1 - Verfahren zur herstellung eines schaumstoffkörpers und schaumstoff-handextruder - Google Patents
Verfahren zur herstellung eines schaumstoffkörpers und schaumstoff-handextruderInfo
- Publication number
- EP2906407A1 EP2906407A1 EP13771128.9A EP13771128A EP2906407A1 EP 2906407 A1 EP2906407 A1 EP 2906407A1 EP 13771128 A EP13771128 A EP 13771128A EP 2906407 A1 EP2906407 A1 EP 2906407A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- foam
- extruder
- starting material
- nozzle
- temperature
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3461—Making or treating expandable particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/02—Small extruding apparatus, e.g. handheld, toy or laboratory extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
- B29C48/2526—Direct drives or gear boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
- B29K2105/048—Expandable particles, beads or granules
Definitions
- the invention relates to a method for producing a foam body, a foam hand extruder for carrying out this method and the use of a hand extruder for the production of foam.
- Hand extruder Compact hand-held extrusion devices (hereinafter referred to as "hand extruder") for plastic welding or application of
- Hotmelt adhesives are known and marketable, and it is also known to coordinate control corresponding devices on a robotic arm; see. for example US Pat. No. 5,358,397 or DE 10 2009 015 253 A1. Presentation of the invention
- the invention is therefore based on the object, in particular from the perspective of the user flexible method for producing a
- This object is achieved in its method aspect by a method having the features of claim 1 and a use of a hand extruder having the features of claim 16, and in its device aspect by a hand extruder having the features of claim 10.
- the invention includes the idea of an activation or a
- the activated starting material is expanded immediately at the output in the desired spatial form.
- the energy input required for this purpose into the material takes place by means of an increase in pressure relative to atmospheric pressure and / or a heating above ambient temperature, the concrete parameters being selected as a function of the respective chemical or physical blowing agent.
- the energy input can take place primarily on thermal or primarily by mechanical means or in a combination of both.
- the hand extruder solid starting material is fed in granular form. Solid, granular starting material can be easily and inexpensively formulated, stored and processed with little residual pressure and thus offers considerable advantages over liquid or pasty formulations.
- the use of a handheld device allows a variety of applications, including in the field of construction and civil engineering and road construction and in vehicle, aircraft and shipbuilding and especially in multi-faceted repair and renovation work.
- the formed foam body may be used to fill holes, indentations, crevices, openings or cracks, and the material may be formulated to be suitable for sealing, damping, structural strengthening and / or bonding. It is of particular advantage that, as a rule, a subsequent thermal process can be dispensed with because of the energy input already taking place in the hand-held device.
- Foam body locally, z. B. on a construction site or in a factory, and can be applied flexibly without having to use prefabricated forms, expensive machinery or dangerous liquids. It can thus be produced even small numbers economically and many
- Modular system can be mixed together to customized
- the foam body formed according to the invention already possesses so-called "green strength", ie a mechanical mechanism which is sufficient for subsequent process steps of the insulating, sealing or reinforcing process
- a hand extruder is used for the production of foams with at least one screw conveyor and the hand extruder is configured and the mechanical properties of the starting material are predetermined such that high pressures and / or shear forces occur, resulting in a thermal Activation of the starting material at least contribute.
- high pressures and / or high shear forces are exerted on the expanding one
- Starting material exerted to bring about an optimized thermal activation of the starting material or at least to favor them.
- a hand extruder is used with a heater and the heater operated so that it contributes to a thermal activation of the starting material at least. Also a combination of both ways of activating the starting material is possible.
- the expansion process of the starting material during discharge from the hand extruder is controlled by a special nozzle geometry, in particular in an additional part attached on the output side.
- Application-adapted nozzle geometries tailored to the specific insulating material (or its starting material) allow a precise control of the expansion process, and the realization in an additional part to the actual spray device allows the provision of different adapted nozzle geometries and the fast and easy
- the nozzle geometry is first a gradual reduction in cross-section with a small gradient over a long length, then (optionally) keeping the cross-section over a small length and then realized a gradual reduction in size with a large gradient over a small length.
- This section subdivision of the nozzle is a realization which is advantageous from a current point of view, but it should be pointed out that not necessarily all of the sections mentioned must be present with the respective associated geometric characteristics.
- passing through several temperature zones is provided by the starting material, especially a first zone of relatively low temperature to prevent sticking and / or premature expansion, and then passing through a second zone of higher temperature for activation Melting of the
- Temperature remains constant.
- a further embodiment which can be combined with the aforementioned, but also realized independently of a specific temperature profile is a sensory Temperature monitoring of the material in the hand extruder, combined with automatic readjustment or manual tracking.
- a pressure monitoring in the output or output close range of the manual extruder so shortly before
- the proposed hand extruder is, in an advantageous embodiment, formed with an exit-side nozzle arrangement which is suitable for expanding a preactivated starting material with a high volume expansion gradient. Although basically the expansion of the preactivated starting material is beyond the exit of the extruder
- one embodiment of the hand extruder comprises various over the transport path of the starting material (granules) arranged
- a suitable temperature zone arrangement can in particular be a heating or cooling device for forming a first zone lower Temperature near the draw-in area, a heater for forming a second zone of higher temperature downstream of the first zone and optionally means for forming a third zone, in turn, lower temperature downstream of the second zone.
- Temperature sensor for detecting the temperature of the material in the
- the respective sensor system is assigned a manual setting device or an automatic control device for tracking the processing temperature-possibly for realizing a predetermined temperature profile along the material flow path-and optionally further process parameters (such as the screw speed).
- On the output side of the hand extruder can for suitable distribution and / or shaping of the foam body produced a suitably shaped
- the invention includes the advantageous use of a hand extruder for the production of foams according to the invention.
- a corresponding hand extruder has at least one screw conveyor whose
- High shear generation is configured in a conveyed starting material of a foam, and / or has a heating device for heating the starting material.
- Worm conveyor in particular with respect to the number and the pitch of their turns and / or vary in diameter and be optimally adapted to a suitable length and a suitable diameter of the worm cylinder.
- the heater may be otherwise formed electrically or inductively.
- Fig. 1 is a schematic representation for explanation
- 2A and 2B is a cross-sectional view and a plan view of a
- Figs. 3A and 3B is a longitudinal sectional view and perspective
- Fig. 1 is a schematic, partially executed in longitudinal section representation of a hand extruder for producing a foam body, such as an elongated foam strand, which can be used in particular for purposes of thermal and / or acoustic insulation.
- the figure is merely to illustrate important functions of such
- Foamable material 1 1 in the form of granules is filled in a funnel 12 of the hand extruder 10 and then passes through this into the interior of the
- the foamable material is conveyed in the direction of a nozzle 17 in a cylinder 13 by means of a screw 14, which is operated by a motor 15 via a gear 16.
- a suitable geometric configuration of the screw 14 and the worm cylinder 13 thereby targeted high pressures and shear forces are generated, which lead to a softening and activation of the originally solid granules, and an additional heating device 18 supports this process.
- the geometric configuration can, for example, in terms of number and Increase of the turns or with respect to the distance between two adjacent turns of the screw 14 and with respect to the length and the diameter of the worm cylinder 13 are optimally adapted and matched.
- foamable material 1 1 'with rapid expansion which is controlled by a special temperature profile over the conveying path of the granules or activated material and a specific geometric configuration of the nozzle, discharged.
- Cooling openings 19 incorporated into the device housing 20 of the extruder.
- the openings 19 are intended to be symbolic of any suitable coolant; in their place, a ribbing of the worm cylinder 13 and / or a fan may be provided.
- a shift control unit 22 connected to an actuator 21 in the grip area of the extruder housing 20 is connected to both the motor 15 of the worm 13 and the heater 18 (not shown in the figure), and enables adjustment besides the turning on and off of the extruder the screw speed and heating power and thereby the adjustment of adapted to the material used 1 1 and the operating conditions process parameters.
- FIG. 1 shows a special nozzle structure of the hand extruder according to the invention, which is realized in a part 23 to be used at the extruder outlet.
- FIG. 1 shows a special nozzle structure of the hand extruder according to the invention, which is realized in a part 23 to be used at the extruder outlet.
- nozzle arrangement has a first
- the nozzle portion 17a of long length, in which the nozzle pitch of small pitch continuously decreases, has a second nozzle portion 17b of short length, in which the cross section remains constant, a third one
- Short length nozzle portion 17c in which the large pitch nozzle section decreases a fourth nozzle portion 17d of medium length, in which the nozzle pitch increases with medium pitch, and a fifth nozzle portion 17e with a plurality of spray openings.
- the additional part 23 is subdivided into a plurality of individual plates (not separately designated), the first nozzle section 17a being realized by two longitudinally joined plates or basic bodies. This modular design makes it relatively easy to implement variations of the nozzle geometry in certain sections without having to produce a new additional part as a whole.
- Figs. 3A and 3B show a relation to that described above
- One means for realizing the invention is a foamable
- Composition comprising at least one base polymer, at least one
- a nucleating agent comprises.
- the content of the base polymer should preferably be at least 50% by weight. In order to ensure sufficient foaming, a content of propellant in the range of 5 to 20 wt .-% has proved to be useful.
- the lubricant and / or the heat stabilizer are preferably in amounts of 0.1 to 5 wt .-%, based on the foamable
- composition contained in this.
- polymer foams with a thermal conductivity of ⁇ 0.04 W / (mK) and an expansion of> 1000% can be formed.
- any material can be used, in principle, brought to controlled foaming can be and sufficient in the expanded state
- the base polymer is preferably an organic polymer having a melting point in the range of 20 to 400 ° C.
- Base polymer should desirably soften at a temperature which is below the foaming temperature so as to allow its deformation during the foaming process.
- the base polymer is foamed.
- the base polymer has a melting point in the range of 60-200 ° C.
- the crosslinking process should preferably start only when the foaming temperature has been exceeded and the foaming has been at least partially completed. Suitable base polymers will be readily apparent to those skilled in the art.
- the base polymer is particularly preferably selected from the group comprising EVA, polyolefin,
- Polyvinyl chloride or XPS crosslinked polystyrene
- Preferred polyolefins are polymers based on ethylene or propylene, of which polyethylene, in particular in the form of LDPE (low density polyethylene), is particularly preferred. Mixtures of the polymers mentioned can also be used in the context of the invention as a base polymer.
- bioplastics can be used within the scope of the invention, for.
- Polylactides polylactide acid, PLA
- Epoxy resins solid or liquid epoxy resins in combination with chemical or physical blowing agents (see below).
- the base polymer is typically the major component of the foamable composition, with its proportion of the composition preferably at least 50% by weight. More preferably, the content of the base polymer is in the range of 65 to 95% by weight, more preferably in the range of 70 to 90% by weight and most preferably in the range of 75 to 85% by weight.
- the foamable composition typically contains a chemical or physical blowing agent.
- Chemical blowing agents are organic or inorganic compounds which decompose under the influence of temperature, moisture or electromagnetic radiation, wherein at least one of the decomposition products is a gas.
- physical blowing agents it is possible, for example, to use compounds which change into the gaseous state of matter at elevated temperature, for example pentane, butane, carbon dioxide, nitrogen or Expancel.
- the foamable composition is thermally foamable and foamed at a temperature of ⁇ 250 ° C, in particular from 100 ° C to 230 ° C, preferably from 140 to 200 ° C. using chemical blowing agents.
- chemical blowing agents are azodicarbonamides, sulfonylhydrazides, bicarbonates or carbonates.
- Suitable sulfonylhydrazides are p-toluenesulfonylhydrazide, benzenesulfonylhydrazide and the ⁇ , ⁇ '-
- a particularly preferred propellant is the ⁇ , ⁇ '-oxybisbenzenesulfonyl hydrazide.
- Suitable blowing agents are also commercially available under the tradenames Expancel® from Akzo Nobel, the Netherlands, under the trade name Celogen® from Chemtura Corp., USA, or under the tradename Unicell® from Tramaco, Germany.
- the heat required for the foaming can in addition to the o. G. external, at least partially by internal heat sources, such as an exothermic chemical reaction, are supplied.
- the composition may also be lower, in particular in the range from 5 to 10% by weight.
- the foamable composition from which the polymer foam can be made optionally contains a lubricant and / or a heat stabilizer.
- the foamable composition contains a component which at the same time the
- Heat stabilizer component can be omitted.
- fatty acid amides, fatty acids and fatty acid alcohol esters in particular whose long aliphatic carbon chains give the desired effect of a lubricant, have proven particularly suitable.
- these compounds act as a heat stabilizer.
- the use of fatty acid amides, fatty acids and fatty acid alcohol esters which has a chain length of the fraction based on the fatty acid or the fatty acid alcohol in the range from 6 to 24, preferably 8 to 16, and in particular 10 to 14, has proven to be particularly suitable
- heat stabilizers which have a thioether function in addition to a linear aliphatic chain have proven to be particularly suitable. Most preferred are heat stabilizers
- Fatty acid alcohol diesters in which there is a thioether function in the acid moiety in particular the didodecyl 3,3'-thiodipropionate.
- the heat stabilizer should be included in the composition at least in an amount which provides significant stabilization of the
- composition after foaming is observed, i. that the foam does not undergo significant volume reduction (10% or more) even at prolonged exposure (10 minutes or more) at high temperatures (150 ° C or more).
- significant volume reduction 10% or more
- high temperatures 150 ° C or more
- Lubricant in the range of 0.1 to 5 wt .-%, and preferably in the range of 0.5 to 3 wt .-%, based on the total foamable composition, proved suitable. At levels less than 0.1% by weight, the amount of heat stabilizer is insufficient to adequately stabilize the foam, while at levels greater than 5% by weight for longer Exposure of the foam to high temperatures also shows a significant decrease in foam volume.
- Composition is stabilized and strengthened during foaming. This can be ensured by the addition of crosslinking agents, which are preferably activated by decomposition products of the blowing agent and trigger crosslinking of the resulting foam.
- crosslinking agents which are preferably activated by decomposition products of the blowing agent and trigger crosslinking of the resulting foam.
- the crosslinking of the foamable composition should only begin at a temperature which is equal to or above its foaming temperature, since otherwise the crosslinking of the foamable composition takes place before its full foaming and thus could not be guaranteed that the foamable composition prior to crosslinking about a cavity fills and that the foam has a compact structure.
- crosslinking of the resulting polymer foam is also not subject to any relevant limitations.
- Crosslinking of the foam is possible, in particular, by means of crosslinking agents which do not react with the base polymer, such as epoxy-based crosslinking agents, or with the aid of crosslinked ones which react with the base polymer.
- crosslinking agents which do not react with the base polymer, such as epoxy-based crosslinking agents, or with the aid of crosslinked ones which react with the base polymer.
- Peroxide crosslinking agent In the context of the present invention, crosslinking with peroxide crosslinking agents or crosslinking with
- Epoxides are preferred.
- Peroxides such as dibenzoyl peroxide, dicumyl peroxide, 2,5-di- (t-butylperoxyl) -2,5-dimethylhexane, t-butyl-cumyl peroxide, a, a'-bis (t-butylperoxy) diisopropylbenzene isomer mixture, Di- (t-amyl) peroxide, di- (t-butyl) peroxides, 2,5-di (t-butylperoxy) -2,5-dimethyl-3-hexyne, 1,1-di (t-butylperoxy) 3,3,5-trimethylcyclohexane, n-butyl, 4,4-di (t-butylperoxy) valerate, ethyl 3,3-di (t-amylperoxy) butanoate, or t-butyl peroxy-3,5,5 - Are used trimethylhexanoate
- the epoxy-containing polymer is a copolymer of ethylene and glycidyl methacrylate having a content of glycidyl monomer in the range of 4 to 12 wt .-%.
- the polymer containing maleic anhydride groups preferably consists of a terpolymer of ethylene, an alkyl acrylate, in particular based on an alkyl alcohol having 2 to 10 carbon atoms, and
- maleic anhydride The content of maleic anhydride in the terpolymer is preferably in the range of 1, 5 to 5%. It is particularly preferred if these two crosslinking agent components are present in a ratio of 2: 1 to 1: 2, in particular about 1: 1.
- This polymer combination proves to be useful in particular in combination with propellants, in the heating of which water or alcohol is released, since the resulting water or alcohol
- Maleic anhydride groups can be hydrolyzed to maleic acid, which in turn undergo reaction with the epoxide groups of the epoxy-containing polymer and cause crosslinking.
- the crosslinking agent is the crosslinking agent
- a peroxide is included as the crosslinking agent, however, its concentration may also be lower, in particular in the range of 1 to 5 wt .-%, and particularly preferably in the range of 1 to 2 wt .-%.
- At least one heat reflector is drawn into the foamable composition.
- Useful heat reflectors are graphite, carbon black and / or titanium dioxide.
- Fillers are calcium carbonate or talc, which contains from 0.5 to 8 wt .-%, in particular 1 to 5 wt .-%, and particularly preferably in an amount of about 2 wt .-%, may be contained in the polymer foam. Fillers can be added, for example, as nucleating agents to improve the foaming. Suitable antioxidants are, for example, hindered phenols.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13771128.9A EP2906407A1 (de) | 2012-10-15 | 2013-09-30 | Verfahren zur herstellung eines schaumstoffkörpers und schaumstoff-handextruder |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12188546 | 2012-10-15 | ||
PCT/EP2013/070313 WO2014060205A1 (de) | 2012-10-15 | 2013-09-30 | Verfahren zur herstellung eines schaumstoffkörpers und schaumstoff-handextruder |
EP13771128.9A EP2906407A1 (de) | 2012-10-15 | 2013-09-30 | Verfahren zur herstellung eines schaumstoffkörpers und schaumstoff-handextruder |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2906407A1 true EP2906407A1 (de) | 2015-08-19 |
Family
ID=47148596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13771128.9A Withdrawn EP2906407A1 (de) | 2012-10-15 | 2013-09-30 | Verfahren zur herstellung eines schaumstoffkörpers und schaumstoff-handextruder |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150274919A1 (de) |
EP (1) | EP2906407A1 (de) |
JP (1) | JP2015532225A (de) |
KR (1) | KR20150070173A (de) |
CN (1) | CN104736318B (de) |
BR (1) | BR112015008208A2 (de) |
WO (1) | WO2014060205A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI549801B (zh) * | 2009-06-18 | 2016-09-21 | 葛拉工業公司 | 用於控制流體中造粒機之切刀轂位置之系統 |
US10899902B2 (en) | 2015-09-02 | 2021-01-26 | Sika Technology Ag | Heat expandable foam |
EP3147323B2 (de) | 2015-09-28 | 2022-12-28 | Henkel AG & Co. KGaA | Thermisch expandierbare zusammensetzungen mit polysaccharid |
CN108026309B (zh) | 2015-09-28 | 2021-10-15 | 汉高股份有限及两合公司 | 包含脲衍生物的可热膨胀组合物 |
KR101720932B1 (ko) | 2016-05-04 | 2017-03-29 | (주)리버앤씨 | 데이터 로거를 구비하는 해저계류장치 |
CN114193695A (zh) * | 2021-12-20 | 2022-03-18 | 马翠芝 | 汽车装饰件用epp材料的自冷却发泡成型装置 |
CN114851459B (zh) * | 2022-04-21 | 2023-06-06 | 巩义市泛锐熠辉复合材料有限公司 | 一种泡沫夹心蜂窝板的生产设备及其制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3666850A (en) * | 1969-07-10 | 1972-05-30 | Dow Chemical Co | Packaging method and apparatus |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5922663B2 (ja) * | 1976-09-03 | 1984-05-28 | 日立化成工業株式会社 | 熱可塑性樹脂発泡体の製造法 |
DE3131695A1 (de) * | 1981-08-11 | 1983-03-03 | René 5100 Aachen Baltus | Schneckenextruder |
JPS5891730A (ja) * | 1981-11-27 | 1983-05-31 | Shin Etsu Chem Co Ltd | 発泡性塩化ビニル系重合体組成物の製造方法 |
JPS5920639A (ja) * | 1982-07-28 | 1984-02-02 | Hitachi Cable Ltd | 分解可能な可搬形押出機 |
EP0887116A3 (de) * | 1997-06-25 | 2001-04-04 | Peter Christian Dohle | Schweissextruder |
US7043815B2 (en) * | 2002-01-25 | 2006-05-16 | L & L Products, Inc. | Method for applying flowable materials |
CN2592294Y (zh) * | 2003-01-03 | 2003-12-17 | 梁海军 | 发泡枪 |
WO2007143646A2 (en) * | 2006-06-07 | 2007-12-13 | Henkel Kommanditgesellschaft Auf Aktien | Foamable compositions based on epoxy resins and polyesters |
DE102006048739A1 (de) * | 2006-10-12 | 2008-04-17 | Henkel Kgaa | Expandierbare, thermisch härtbare Zusammensetzung auf Basis von Epoxidharzen mit verbesserten Fließeigenschaften |
CN2933607Y (zh) * | 2006-07-24 | 2007-08-15 | 梁海军 | 发泡枪发泡液流量调节装置 |
EP2062717B1 (de) * | 2007-11-13 | 2013-05-01 | Sika Technology AG | Verfahren zur Herstellung von versteiften Kunststoffprofilen mit verbesserter thermischer Isolation für den Fensterbau und Verwendung |
-
2013
- 2013-09-30 CN CN201380053871.3A patent/CN104736318B/zh active Active
- 2013-09-30 JP JP2015536061A patent/JP2015532225A/ja active Pending
- 2013-09-30 US US14/435,571 patent/US20150274919A1/en not_active Abandoned
- 2013-09-30 WO PCT/EP2013/070313 patent/WO2014060205A1/de active Application Filing
- 2013-09-30 EP EP13771128.9A patent/EP2906407A1/de not_active Withdrawn
- 2013-09-30 KR KR1020157009914A patent/KR20150070173A/ko not_active Application Discontinuation
- 2013-09-30 BR BR112015008208A patent/BR112015008208A2/pt not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3666850A (en) * | 1969-07-10 | 1972-05-30 | Dow Chemical Co | Packaging method and apparatus |
Non-Patent Citations (1)
Title |
---|
See also references of WO2014060205A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014060205A1 (de) | 2014-04-24 |
CN104736318B (zh) | 2017-04-12 |
CN104736318A (zh) | 2015-06-24 |
KR20150070173A (ko) | 2015-06-24 |
JP2015532225A (ja) | 2015-11-09 |
US20150274919A1 (en) | 2015-10-01 |
BR112015008208A2 (pt) | 2017-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2906407A1 (de) | Verfahren zur herstellung eines schaumstoffkörpers und schaumstoff-handextruder | |
EP2828055B1 (de) | Schäumbare zusammensetzung mit geringer wärmeleitfähigkeit für den einsatz in kunststoff-profilen | |
EP2828057B1 (de) | Verfahren und kunststoff-extrusionsvorrichtung zur herstellung eines mit dämmstoff ausgeschäumten hohlkörpers oder hohlraums | |
EP2739675B1 (de) | Thermisch härtbare zubereitungen | |
EP2922900B1 (de) | Thermisch expandierbare zubereitungen | |
DE3152243C2 (de) | ||
DE3722050C2 (de) | ||
DE2551038A1 (de) | Verfahren zur herstellung von geschaeumten polyolefin-formkoerpern | |
AT516041B1 (de) | Fenster | |
EP2970614A1 (de) | Polymerschaum und dessen einsatz in hohlkörpern | |
CN109280240A (zh) | 化学交联发泡聚乙烯材料的制备方法及一种螺杆 | |
BE1022577B1 (de) | Isoliervorrichtung | |
DE102018126974B4 (de) | Hohlkammerprofil, insbesondere für den Fassaden-, Fenster- und/oder Türenbau sowie für Bauteile im Bereich des Sonnenschutzes, sowie Verfahren zum Herstellen eines Hohlkammerprofils und Vorrichtung zur Ausführung des Verfahrens | |
EP1262294A1 (de) | Holzsubstitut | |
DE102012105351A1 (de) | Verfahren zur Herstellung eines Rohres | |
DE102011110613B4 (de) | Verfahren zur Herstellung einer extrudierten Schaumbahn sowie nach diesem Verfahren hergestellte Schaumware | |
WO2001092385A1 (de) | Verfahren zur herstellung geschäumter bauteile vermischt mit pflanzlichem trägermaterial | |
EP1212186A1 (de) | Verfahren und treibmittel zur herstellung von geschäumten kunststoffgegenständen | |
EP2998348B1 (de) | Herstellung von flammschutzmittel für kunststoffe | |
DE2023594A1 (de) | Verfahren zur Herstellung von Gegenständen aus geschäumtem Material | |
US9058922B2 (en) | Method of manufacturing chain extended foam insulation coaxial cable | |
WO1989005328A1 (en) | Process for crosslinking an ethylene vinyl acetate copolymer | |
WO2003051607A1 (de) | Verfahren zur extrusion sowie dadurch herstellbarer formkörper | |
DD144734A1 (de) | Vorrichtung zur herstellung von polyolefinschaumprofilen | |
BE1027442A1 (de) | Schaumstoffprofile mit hohlräumen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20150515 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20191008 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: B29C0047000000 Ipc: B29C0048020000 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B29C 44/34 20060101ALI20220719BHEP Ipc: B29C 48/02 20190101AFI20220719BHEP |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20220909 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20230120 |