WO2019108145A1 - A machine for non-flammable xps production and its production method - Google Patents

A machine for non-flammable xps production and its production method Download PDF

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Publication number
WO2019108145A1
WO2019108145A1 PCT/TR2017/050618 TR2017050618W WO2019108145A1 WO 2019108145 A1 WO2019108145 A1 WO 2019108145A1 TR 2017050618 W TR2017050618 W TR 2017050618W WO 2019108145 A1 WO2019108145 A1 WO 2019108145A1
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raw material
barrel
gas
gas inlet
flammable
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PCT/TR2017/050618
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French (fr)
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WO2019108145A9 (en
Inventor
Nurettin UYSAL
Yasar DALBUDAK
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Uysal Nurettin
Dalbudak Yasar
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Priority to PCT/TR2017/050618 priority Critical patent/WO2019108145A1/en
Publication of WO2019108145A1 publication Critical patent/WO2019108145A1/en
Publication of WO2019108145A9 publication Critical patent/WO2019108145A9/en

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    • 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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B29C44/3446—Feeding the blowing agent
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/142—Compounds containing oxygen but no halogen atom
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/143—Halogen containing compounds
    • C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/295—Feeding the extrusion material to the extruder in gaseous form
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
    • 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
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B29K2025/04—Polymers of styrene
    • B29K2025/06—PS, i.e. polystyrene
    • 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
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/06—CO2, N2 or noble gases
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/12—Organic compounds only containing carbon, hydrogen and oxygen atoms, e.g. ketone or alcohol
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/20—Ternary blends of expanding agents
    • C08J2203/202—Ternary blends of expanding agents of physical blowing agents
    • 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
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/06—Polystyrene

Definitions

  • the invention is a machine that follows the steps of a production method in which dimethyl ether (DME), 152 a Freon gas, Ethanol gas and carbon dioxide gas are poured in polystyrene raw material in a certain sequence and ratio, and which produces a product used as insulation material in the insulation sector.
  • DME dimethyl ether
  • 152 a Freon gas, Ethanol gas and carbon dioxide gas are poured in polystyrene raw material in a certain sequence and ratio, and which produces a product used as insulation material in the insulation sector.
  • This is a machine whose barrel part has some openings that provide the inlet of the mentioned gases into the system for the non-flammable XPS production.
  • thermal insulation materials should be low.
  • Thermal insulation materials should be light.
  • Thermal insulation materials should be odorless.
  • - It should be water and moisture absorptive.
  • - It should not be suitable for nesting of bacteria and pests.
  • - It should be resistant to rust.
  • - Its first feature should not be lost.
  • - It should not be flammable.
  • - It should be long-lasting.
  • - It should be appropriate to be moved and should not harm human health. - It should be economical and available.
  • Fiberglass It is the form of molten glass which is fiberized by various methods.
  • the basis of the raw material is silica sand. There are two types; one with bakelite, the other without bakelite.
  • Rockwool It is a fibrous thermal insulation material obtained from minerals such as basalt, limestone and dolomite. They are produced in two types, high and low density.
  • EPS Expanded Polystyrene
  • Thermal Insulation Sheets Polystyrene solid foam is an artificial organic insulation material.
  • Extruded Polystyrene XPS Thermal Insulation Sheets: Polystyrene is a type produced by drawing off a solid foam from a band.
  • Fiberglass and rockwool are more expensive than EPS and XPS materials. Furthermore, since EPS and XPS materials are in shape of sheets, their usage and montage is much easier than fiberglass and rockwool. In particular, due to their solid structure, XPS thermal insulation sheets are more advantageous in terms of usage than other products.
  • extruded polystyrene (XPS) thermal insulation sheets and expanded polystyrene (EPS) thermal insulation sheets cannot meet the required non-flammable properties for the thermal insulation materials mentioned above.
  • XPS thermal insulation sheets cannot meet the required non-flammable properties for the thermal insulation materials mentioned above.
  • EPS and XPS thermal insulation sheets cannot be used for thermal insulation of buildings on high buildings due to fire risks.
  • XPS It is produced by extrusion process from polystyrene raw materials. It can be produced as sheets in different sizes and pressure strengths, different edges and surface shapes according to its use of place and purpose. It is used for heat insulation purposes.
  • the thermal conductivity value is 0.030 ⁇ ⁇ ⁇ 0.035 W / mK.
  • Usage temperature is between -50 / + 75oC. It has a homogeneous cell structure with 100% closed porosity and does not embody water.
  • the capillaries have no absorptivity.
  • the compression resistance is very high. They are foam materials that have a homogeneous cell structure and are produced and used for heat insulation purposes.
  • Polystyrene the raw material of XPS, is extruded at a desired thickness along the line. Thanks to this production, a stable cell structure is obtained in an appearance of a homogeneous honey comb. The surfaces of cells are interconnected to each other. The air is trapped in the cells.
  • the XPS raw material polystyrene is produced as foam under constant pressure by means of continuous extrusion process with the aid of an inflating agent. The surface of the sheet which has a closed cell structure is processed in accordance with its use.
  • XPS Fire Performance Like all other organic materials, XPS can burn. When tested as a stand-alone product by using flame retardant, XPS is class E in the European fire classification scheme. Since XPS products have never been used bare in constructions, its anti-fire reaction must be tested with coating on it.
  • XPS is produced by extrusion of Polystyrene raw materials.
  • the extruder is placed in the barrel in which.
  • Polystyrene raw materials are poured and mixed for a certain period of time.
  • Dimethyl ether (DME) gas is then added to the stirred Polystyrene raw material through the gas inlet opening and mixed for a certain period of time.
  • a freon gas is added to the stirred Polystyrene raw material through one gas inlet opening and mixed for a certain period of time.
  • the process ends with discharge of the added Polystyrene raw material from the product outlet opening.
  • the method of the invention is intended to be used as an insulation material in the insulation sector. It is considered to produce fireproof, affordable, water and moisture absorptive, rot resistant, long lasting insulation materials and to eliminate the problems arising from the currently used products.
  • the invention is considered to be able to implement the non-flammable XPS production method in industry.
  • the method of the invention has all the properties that are expected of thermal insulation materials and are listed in the state of the art.
  • the currently used products do not have the ability to apply the non-flammable XPS production method.
  • the product which we have invented has been designed with the purpose of being able to implement the non-flammable XPS production method; therefore, it includes both the standard XPS and the non-flammable XPS production capabilities.
  • the invention comprises at least one motor (1) and at least one transmission (2) which is driven by the motor (1) or motors and at least one extruder (4) (mixer) connected to the transmission (2) or transmissions, at least one raw material inlet (5) with 4 gas inlets operating the extruder (4) and one barrel with at least one product outlet (10).
  • the gas inlet 1(6) on the barrel (3) is located closer to the raw material inlet than the gas inlet 2(7).
  • the gas inlet 2(7) on the barrel (3) is located closer to the raw material inlet than the gas inlet 3(8).
  • the gas inlet 3 (8) on the barrel (3) is located closer to the raw material inlet than to the gas inlet 4 (9).
  • the machine of the invention is used to carry out the process or method mentioned below.
  • the method of the invention comprises the following steps; - Polystyrene raw material is poured through the raw material inlet (5) into the barrel (3), and is mixed in the extruder (4) and the barrel (3) for a period of time. - Dimethyl ether (DME) gas is added into the mixed polystyrene raw material through the gas inlet 1 (6) and is mixed in the extruder (4) and the barrel (3). - 152 a freon gas is a type of gas (that is odorless, colorless, non-flammable, non-corrosive to the metals it contacts (e.g. the pipes it passes through).
  • DME Dimethyl ether
  • the commonly used chlorofluorocarbons is added into the mixed polystyrene raw material through the gas inlet 2 (7) and is mixed in the extruder (4) and the barrel (3).
  • Ethanol also known as ethyl alcohol or vegetable alcohol, a colorless and flammable chemical compound
  • C2H6O also referred to as EtOH or C2H5OH.
  • Carbon dioxide (the name of a compound that has a covalently bonded carbon and a molecule of two oxygen atoms, and that is in gaseous form under normal conditions. There is no color or odor.
  • Its Formula is CO is added into the mixed polystyrene raw material through the gas inlet 4 (9) and is mixed in the extruder (4) and the barrel (3).
  • All gases are discharged through the polystyrene raw material outlet (10) to the outside of the barrel (3).

Abstract

The invention is a machine that follows the steps of a production method in which dimethyl ether (DME), 152 a Freon gas, Ethanol gas and carbon dioxide gas are poured in polystyrene raw material in a certain sequence and ratio, and which produces a product used as insulation material in the insulation sector. This is a machine whose barrel part has some openings that provide the inlet of the mentioned gases into the system for the non-flammable XPS production.

Description

A Machine for Non-Flammable XPS Production and Its Production Method
The invention is a machine that follows the steps of a production method in which dimethyl ether (DME), 152 a Freon gas, Ethanol gas and carbon dioxide gas are poured in polystyrene raw material in a certain sequence and ratio, and which produces a product used as insulation material in the insulation sector. This is a machine whose barrel part has some openings that provide the inlet of the mentioned gases into the system for the non-flammable XPS production.
Technical Field and Current Situation of the Invention

- Heat transfer coefficients of thermal insulation materials should be low.
- Thermal insulation materials should be light.
- Thermal insulation materials should be odorless.
- It should be water and moisture absorptive.
- It should not be suitable for nesting of bacteria and pests.
- It should be resistant to rust.
- Its first feature should not be lost.
- It should not be flammable.
- It should be long-lasting.
- It should be appropriate to be moved and should not harm human health.
- It should be economical and available.
Certain insulation materials that have some or all of these properties are as follows;
Fiberglass: It is the form of molten glass which is fiberized by various methods. The basis of the raw material is silica sand. There are two types; one with bakelite, the other without bakelite.
Rockwool: It is a fibrous thermal insulation material obtained from minerals such as basalt, limestone and dolomite. They are produced in two types, high and low density. 
Expanded Polystyrene (EPS) Thermal Insulation Sheets : Polystyrene solid foam is an artificial organic insulation material.
Extruded Polystyrene (XPS) Thermal Insulation Sheets: Polystyrene is a type produced by drawing off a solid foam from a band.
As there are differences in price and features between these products, the preferences of consumers are different.
Fiberglass and rockwool are more expensive than EPS and XPS materials. Furthermore, since EPS and XPS materials are in shape of sheets, their usage and montage is much easier than fiberglass and rockwool. In particular, due to their solid structure, XPS thermal insulation sheets are more advantageous in terms of usage than other products.
However, both extruded polystyrene (XPS) thermal insulation sheets and expanded polystyrene (EPS) thermal insulation sheets cannot meet the required non-flammable properties for the thermal insulation materials mentioned above. For these reasons, in many countries, including Turkey, EPS and XPS thermal insulation sheets cannot be used for thermal insulation of buildings on high buildings due to fire risks.
Now we will refer to extruded polystyrene (XPS) thermal insulation sheets which are still in use and have been developed and which constitute the basis of our invention.
XPS: It is produced by extrusion process from polystyrene raw materials. It can be produced as sheets in different sizes and pressure strengths, different edges and surface shapes according to its use of place and purpose. It is used for heat insulation purposes. The thermal conductivity value is 0.030 ≤ λ ≤ 0.035 W / mK. The water vapor diffusion resistance factor is μ = 90-100. Usage temperature is between -50 / + 75ºC. It has a homogeneous cell structure with 100% closed porosity and does not embody water. The capillaries have no absorptivity. The compression resistance is very high.
They are foam materials that have a homogeneous cell structure and are produced and used for heat insulation purposes. Polystyrene, the raw material of XPS, is extruded at a desired thickness along the line. Thanks to this production, a stable cell structure is obtained in an appearance of a homogeneous honey comb. The surfaces of cells are interconnected to each other. The air is trapped in the cells.
The XPS raw material polystyrene is produced as foam under constant pressure by means of continuous extrusion process with the aid of an inflating agent. The surface of the sheet which has a closed cell structure is processed in accordance with its use.
XPS Fire Performance: Like all other organic materials, XPS can burn. When tested as a stand-alone product by using flame retardant, XPS is class E in the European fire classification scheme. Since XPS products have never been used bare in constructions, its anti-fire reaction must be tested with coating on it.
XPS Production Method and Machinery
XPS is produced by extrusion of Polystyrene raw materials.
On the machineries and equipments, which are still used, there are 2 openings suitable for the inlet of DIMETHYL ETHER (DME) and 152 a Freon gas into the barrel.
In the machineries and equipments used to implement the present method, the extruder is placed in the barrel in which.
Polystyrene raw materials are poured and mixed for a certain period of time.
Dimethyl ether (DME) gas is then added to the stirred Polystyrene raw material through the gas inlet opening and mixed for a certain period of time. Then, 152 a freon gas is added to the stirred Polystyrene raw material through one gas inlet opening and mixed for a certain period of time. Finally, the process ends with discharge of the added Polystyrene raw material from the product outlet opening.
Purpose and Benefits of the Invention
The method of the invention is intended to be used as an insulation material in the insulation sector. It is considered to produce fireproof, affordable, water and moisture absorptive, rot resistant, long lasting insulation materials and to eliminate the problems arising from the currently used products. The invention is considered to be able to implement the non-flammable XPS production method in industry.
The method of the invention has all the properties that are expected of thermal insulation materials and are listed in the state of the art.
The currently used products do not have the ability to apply the non-flammable XPS production method.
The product which we have invented has been designed with the purpose of being able to implement the non-flammable XPS production method; therefore, it includes both the standard XPS and the non-flammable XPS production capabilities.
Explanation of Figures
Figure 1- a schematic view of the invention.
Explanation of the References in the Figures
1- motor
2- transmission
3- barrel
4- extruder
5- input of raw materials
6- gas inlet 1
7- gas inlet 2
8- gas entry 3
9- gas entry 4
10- product outlet opening
In order to operate the method which includes the process steps for the production of a fireproof, non-flammable extruded polystyrene (XPS), the invention comprises at least one motor (1) and at least one transmission (2) which is driven by the motor (1) or motors and at least one extruder (4) (mixer) connected to the transmission (2) or transmissions, at least one raw material inlet (5) with 4 gas inlets operating the extruder (4) and one barrel with at least one product outlet (10).
The gas inlet 1(6) on the barrel (3) is located closer to the raw material inlet than the gas inlet 2(7).
The gas inlet 2(7) on the barrel (3) is located closer to the raw material inlet than the gas inlet 3(8).
The gas inlet 3 (8) on the barrel (3) is located closer to the raw material inlet than to the gas inlet 4 (9).
The machine of the invention is used to carry out the process or method mentioned below.
The method of the invention comprises the following steps;
- Polystyrene raw material is poured through the raw material inlet (5) into the barrel (3), and is mixed in the extruder (4) and the barrel (3) for a period of time.
- Dimethyl ether (DME) gas is added into the mixed polystyrene raw material through the gas inlet 1 (6) and is mixed in the extruder (4) and the barrel (3).
- 152 a freon gas is a type of gas (that is odorless, colorless, non-flammable, non-corrosive to the metals it contacts (e.g. the pipes it passes through). The commonly used chlorofluorocarbons is added into the mixed polystyrene raw material through the gas inlet 2 (7) and is mixed in the extruder (4) and the barrel (3).
- Ethanol (also known as ethyl alcohol or vegetable alcohol, a colorless and flammable chemical compound) is found in most of alcoholic drinks. Its chemical formula is C2H6O, (also referred to as EtOH or C2H5OH.) which is added into the mixed polystyrene raw material through the gas inlet 3 (8) and is mixed in the extruder (4) and the barrel (3).
- Carbon dioxide (the name of a compound that has a covalently bonded carbon and a molecule of two oxygen atoms, and that is in gaseous form under normal conditions. There is no color or odor. Its Formula is CO is added into the mixed polystyrene raw material through the gas inlet 4 (9) and is mixed in the extruder (4) and the barrel (3).
- All gases are discharged through the polystyrene raw material outlet (10) to the outside of the barrel (3).

Claims (5)

  1. It is an XPS production method whose features are as follows;
    - Polystyrene raw material is poured through the raw material inlet (5), into the barrel (3) section, and is mixed in the extruder (4) and barrel (3) for a certain period of time,
    - Dimethyl ether (DME) gas is added into the stirred polystyrene raw material from the gas inlet 1 (6) and is mixed in the extruder (4) and the barrel (3),
    - 152 a freon gas is a type of gas (that is odorless, colorless, non-flammable, non-corrosive to the metals it contacts (e.g. the pipes it passes through). The commonly used chlorofluorocarbons is added into the stirred polystyrene raw material through the gas inlet 2 (7) and is mixed in the extruder (4) and the barrel (3),
    - Ethanol (also known as ethyl alcohol or vegetable alcohol, a colorless and flammable chemical compound) is found in most of alcoholic drinks. Its chemical formula is C2H6O, (also referred to as EtOH or C2H5OH.) which is added into the stirred polystyrene raw material through the gas inlet 3 (8) and is mixed in the extruder (4) and the barrel (3),
    - Carbon dioxide (the name of a compound that has a covalently bonded carbon and a molecule of two oxygen atoms, and is in gaseous form under normal conditions. There is no color or odor. Its Formula is CO is added into the stirred polystyrene raw material through the gas inlet 4 (9) and is mixed in the extruder (4) and the barrel (3),
    - All the gas is discharged through the polystyrene raw material outlet (10) to the outside of the barrel (3),
    The steps of the process is as follows.
  2. Claim 1 is a machine for non-flammable XPS production method whose feature is to operate the method which includes the process steps for the production of a fireproof, non-flammable extruded polystyrene (XPS), and which comprises at least one motor (1) and at least one transmission (2) which is driven by the motor (1) or motors and at least one extruder (4) (mixer) connected to the transmission (2) or transmissions, at least one raw material inlet (5) with 4 gas inlets operating the extruder (4) and one barrel with at least one product outlet (10).
  3. It is the machine for non-flammable XPS production method in Claim 2 whose feature is that the gas inlet 1(6) on the barrel (3) is located closer to the raw material inlet than the gas inlet 2(7).
  4. It is the machine for the production method of non-combustible in Claim 2, whose feature is that the gas inlet 2(7) on the barrel (3) is located closer to the raw material inlet than the gas inlet 3(8).
  5. It is the machine for non-flammable XPS production method in Claim 2 whose feature is that the gas inlet 3 (8) on the barrel (3) is located closer to the raw material inlet than to the gas inlet 4 (9).
PCT/TR2017/050618 2017-12-01 2017-12-01 A machine for non-flammable xps production and its production method WO2019108145A1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070090552A1 (en) * 2005-10-24 2007-04-26 Yadollah Delaviz Method of manufacturing polystyrene foam with polymer processing additives
US20090042011A1 (en) * 2007-08-10 2009-02-12 Frank Jaarsma Fiber Reinforced Cellular Foam Product

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070090552A1 (en) * 2005-10-24 2007-04-26 Yadollah Delaviz Method of manufacturing polystyrene foam with polymer processing additives
US20090042011A1 (en) * 2007-08-10 2009-02-12 Frank Jaarsma Fiber Reinforced Cellular Foam Product

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