AU705627B2 - Flat composite insulating system and method of producing said system - Google Patents

Flat composite insulating system and method of producing said system Download PDF

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Publication number
AU705627B2
AU705627B2 AU39340/95A AU3934095A AU705627B2 AU 705627 B2 AU705627 B2 AU 705627B2 AU 39340/95 A AU39340/95 A AU 39340/95A AU 3934095 A AU3934095 A AU 3934095A AU 705627 B2 AU705627 B2 AU 705627B2
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Australia
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layer
polypropylene
composite insulating
heat
fact
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AU3934095A (en
Inventor
Gyula Kovacs
Jeno Orban
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Ko & Co Kft
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Ko & Co Kft
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/485—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/045—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyolefin or polystyrene (co-)polymers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
    • E04D12/002—Sheets of flexible material, e.g. roofing tile underlay
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Insulating Bodies (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Moulding By Coating Moulds (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The invention relates to a flat composite insulating system comprising a polyolefin fibrous material layer and a thermoplastic polymer coating layer (the latter here containing a metal pigment and/or additive). The invention also relates to a method of producing said flat composite insulating system. The insulating system can be used advantageously as insulating material in the construction industry or as packaging material. Characteristic of the flat composite insulating system is the fact that it consists of a polypropylene fibrous material layer which is needle felted and heat-melted on at least one surface layer, and of a protective coating layer applied to one side or both sides of the needled felt with a surface weight of 20-100 g/m<2>. This polyethylene and/or polypropylene protective coating layer contains in the present case 0.5-2 wt.% metal pigment and/or 0.1-0.5 wt.% UV stabiliser. Characteristic of the production process is the fact that one side or both sides of the polypropylene fibrous layer needled with 40-180 pricks per cm<2> is fused in a thickness of 10-100 micron and at a temperature of 170-500 DEG C by applying heat. The fibrous layer is then cooled and on at least one side of the fibrous layer a polyethylene and/or polypropylene layer of 20-100 g/m<2> is applied, said layer having in the present case a metal pigment content of 0.5-2 wt.% and/or a UV stabiliser content of 0.1-0.5 wt.%, the layer being applied in the form of a melt. The composite system is then cooled and wound as required.

Description

I
.1 The disadvantage of the known system is that it is complicated, it is built up at least of three or four layers and as such a complex system, it can be used for heat-and sound-insulation and simultaneously also for the transmission of water- -vapour.
Disadvantage of several systems composed of two layers is that they have low mechanical strength, further that they are not suitable for heat-and sound- -insulation and simultaneously for the transmission of water-vapour, i.e. they are not vapour-permeable.
Our purpose was to develop a sheet-formed composite insulating system which, although it is built up only of two layers, has adequate heat- and sound- -insulating properties and though it is water-proof, at the same time it is also vapour-permeable.
The insulating system according to the patent has additionally improved mechanical strength.
The essential character of our invention is that we employ as ground layer a felt made of polypropylene fibres, bonded respectively stabilised by needle punching, the surface layer of which is or both surface layers of which are fused by applying heat to it, and then cooling it.
After the fusing and cooling, fibres ends, like tiny pricks are protruding from the surface of the felt-layer.
To the surface formed like this, a polyethylene, polypropylene or PVC-based melt is applied through the die of an extruder.
The small pricks protruding from the surface of the felt make the coating layer porous.
The pores of the coating layer are partly open and partly closed pores.
The product according to the patent can be used as insulating material in the constructing industry for the insulation of floors of roofs, however it can be used also in the packaging industry.
-p 3 The subject of the patent is hence a flat composite insulating system consisting of a polyolefin fibres layer and a thermoplastic polymer coating layer containing in the given case a metal pigment and/or an additive.
Characteristic of the flat composite insulating system is the fact that it consists of a polypropylene fibrous material layer which is needle punched and heat-melted on at least one surface layer, and of a protective coating layer applied to one side or both sides of the needle felt with a surface weight of 20-100 g/m 2 This polyethylene and/or polypropylene protective coating layer contains in the present case 0,5-2 wt.% metal pigment and/or 0,1-0,5 wt.% UV stabiliser.
Subject of the patent furthermore is the production process of the insulating material.
In course of the production process one side or both sides of the polypropylene fibrous layer is needled with 40-180 stitches per cm 2 is fused in a thickness of 10-100 lim and at a temperature of 170-500 oC by applying heat to it. The fibrous layer is then cooled and on at least one side of the fibrous layer a polyethylene and/or polypropylene layer of 20-100 g/m 2 is applied, said layer having in the present case a metal pigment content of 0,5-2 wt.% and/or a UV stabiliser content of 0,1-0,5 the layer being applied in form of a melt. The composite system is then cooled and wound up as required.
The needle-felt layer is produced suitably from a fibres web made of polypropylene fibres of 4-17 dtex fineness and 50-100 mm staple length by needle punching, applying 40-180 stitches/cm 2 needling density, performing the needling suitably in several passages.
By needle punching we attain the appropriate mechanical strength of the fibres layer.
The needles penetrate the fibres web in vertical direction punching downwards.
The depth of needling, the punching frequency, the speed of the drawing in and AL, kJing off of the fibre web can be varied.
,NTO
We apply 1000 strokes/min punching frequency at most.
Suitably two needling passages are used.
The rate of progress of the fibres web is advantageously 9,6 m/min.
We use advantageously a needling density of 170/cm 2 The felt can be prepared of polypropylene fibres of the same fibres length and fineness, or alternately of fibres of different length and fineness.
The polypropylene needle felt is given a heat treatment, so that the surface layer of it is fused on one side or on both sides.
After this the fused layer is cooled.
The heat treatment is carried out at temperatures between 170 and 500 oC.
This operation serves two purposes. On the one hand it increases the strength of the felt, on the other hand it results in the sticking out, protrusion of fibres ends, tiny pricks from the surface of the felt.
These protruding fibres-ends, resembling to pricks, ensure the porosity of the coating polymer film applied to the surface of the felt.
The fusing is performed suitably by infrared lamps. The thickness of the heattreated layer varies between 10 and 100 11m.
When applying a polymer coating having a 50 g/m 2 surface density, the favourable thickness of the heat treated layer is 60 gm.
The heat treatment is performed at a temperature between 250 and 500 oC.
The polypropylene and/or polyethylene and/or PVC coating layer is applied to one side or to both sides of the felt.
In case when both surfaces are coated, the coating layer can be the same polymer or it can be different on the two sides.
The coating layer or layers are applied in melt form to the felt layer, extruding films in melt form through a wide-slotted die.
The polymer layer (the polypropylene and/or polyethylene layer) is applied to the felt-layer suitably in an 20-100 g/m 2 area density.
The polymer layer contains in the present case a metal pigment, favourably aluminium pigment and/or a UV stabiliser. As a UV stabiliser we use suitably a TINUVIN 700 type (Ciba Geigy, CH) product, the additives are added as master-batch into the extruder to the polyethylene or polypropylene or PVC granulate. In case when we want to produce an insulating material based on a Polypropylene felt coated on both sides, then we place the felt-roll coated on one side into the unwinding stand of the coating device and we apply the polymer coating also to the other side of the felt.
The advantage of the insulating material according to the patent description is as follows: Outstanding sound-and heat insulating property Impermeable to water and at the same time ensures adequate vapour diffusion Excellent mechanical strength.
We present the insulating material subject to the patent, further the process of its production with following examples: Example 1.
Polypropylene staple fibres are classified according to their fibre fineness and length, then the fibres of 6 dtex average fineness and 60 mm length are processed on a carding machine to a card-web. From the card webs we make on a cross-laying device a thicker web which is then compressed respectively bonded by needle punching in several passages. The density of the needle punching is 170 stitches/cm 2 The area density of the web formed is 40 g/m 2 One of the surface layers of the web is fused by leading the web under infrared lamps at 300 oC, then cooled down to room temperature. The thickness of the fused layer is 60 gtm. The felt-roll is then placed on the unwinding side of a coating device and is lead under the wide-slotted die of the extruder in such a manner that the polypropylene melt should get onto the surface of the heat- -treated felt.
As coating material we use polypropylene which contains 0,6 wt.% aluminium pigment.
The polypropylene is applied to the felt in 40 g/m 2 surface density.
The insulating material produced according to this process can be used as underlayer in the construction of roofs and as insulating layer under tile roofing or slating.
Example 2.
From polypropylene staple fibres of 10 dtex fineness and 75 mm fibre length a polypropylene felt of 300 g/m 2 area density and 180/cm 2 stitch density is being produced by needle punching, then one of its sides is heat-treated according to the method described in example 1. The felt is provided with a polyethylene coating 100 g/m 2 area density. The coating is performed with a polyethylene containing 2 wt.% aluminium pigment.
The insulating material produced in this manner is impermeable to water and has a heat-reflecting effect. It can be used as insulating layer for floor-heating systems.
Example 3.
From polypropylene staple fibres of 15 dtex fineness and 75 mm fibre length a polypropylene felt of 500 g/m 2 area density and 160/cm 2 stitch density is produced by needle punching. We heat treat is according to example 1. and a polypropylene layer of 80 g/m 2 area density is applied onto the heat treated side of the felt.
U0 -o1.
A The insulating material produced according to this example is impermeable to water, i.e. is water-proof. It can be used for insulation under floors and cellar- -ceilings.
Example 4.
From polypropylene staple fibres of 6,7 dtex fineness and 90 mm fibre length a polypropylene felt of 150 g/m 2 area density and 180/cm 2 stitch density is produced by needle punching.
The felt is heat-treated according to example 1. The heat-treated side of the felt is then coated with polypropylene containing 0,2 wt.% TINUVIN 770 UV stabiliser. The area density of the coating layer is 40 g/m 2 The insulating sheet produced according to this example is water-draining, air permeable and resistant to light.
It can be used in case of highly built roofs as under-layer or as insulating layer.
Example From polypropylene staple fibres of 11 dtex fineness and 90 mm length a plypropylene felt of 200 g/m 2 area density and 170 stitch/cm 2 is made by needle punching. One side of the felt is heat-treated in a thickness of 80 tm. The other side is heat-treated in a thickness of 60 ptm. One side of the felt is coated with polypropylene melt containing 0,1 wt.% TINUVIN 770 stabiliser and 1 wt.% aluminium pigment. The area density of the coating is 60 g/m 2 The other side of the felt which was fused in 80 m thickness is coated with a polypropylene melt containing 0,6 wt.% aluminium pigment. The area density of this coating is 400 g/m 2 The insulating sheet produced according to the example is water-proof and light resistant.
can be used as insulating layer for roofs of buildings.
Example 6.
We proceed in every way according to Example however we apply to the heat-treated surface of the polypropylene felt instead of a polypropylene melt, a PVC melt.
Example 7.
The insulating material according to example 1. is subjected to examination. The measurement results are as follows: Combustibility class according to DIN 4102 B2 Tensile strength according to DIN 53384 in longitudinal direction: 286 N/5 cm in transversal direction: 394 N/5 cm Water vapour permeability according to DIN 52615 9,7 g/m 2 Heat stability between -40 and +80 OC CLAIM OF THE PATENT 1. A flat composite insulating material system consisting of a polyolefin fibrous material layer and a thermoplastic polymer coating layer, the latter containing in the given case a metal pigment and/or an additive, characterised by that it consists of a polypropylene fibres layer, a web bonded by needle punching and heat-treated by fusing on at least one of its surface layers; it consists furtheron of a polyethylene and/or polypropylene and/or PVC coating layer applied to one or both sides of the needle felt, this coating is applied in a 20-100 g/m 2 surface weight and contains in present case 0,5-2 wt.% metal pigment and/or 0,1-0,5 wt.% UV stabiliser.
2. The composite insulating material system according to claim point characterised by the fact that as a fibrous material layer it contains a polypropylene needle felt of 140-600 g/m 2 made of polypropylene fibres of 4-17 dtex fineness and 50-100 mm fibres length, needle punched with 40-180 stitches/cm 2 and heat treated at least on one surface layer.
3. The composite insulating material system according to either claim point 1. or to claim point characterised by the fact that it contains a needle punched polypropylene fibres web, heat treated respectively fused on at least one side in a thickness of 10-100 gim.
4. The composite insulating material system according to any of the claim points characterised by the fact that the needle punched and on one side heat-treated polypropylene fibres web layer contains on one side a polypropylene coating applied in 20-100 g/m 2 surface weight.
The composite insulating material system according to any of the claim points characterised by the fact that the needle punched and on both sides heat-treated polypropylene fibres web layer contains on both sides a polypropylene coating applied in 20-100 g/m 2 surface weight.
1'L/ )q K~ W WNT 9 J3/

Claims (3)

  1. 6. The composite insulating material system according to any of the claim points characterised by the fact that the needle punched and on one side heat-treated polypropylene fibres web layer contains on one side a polyethylene coating applied in 20-100 g/m 2 surface weight.
  2. 7. The composite insulating material system according to any of the claim points characterised by the fact that the needle punched and on one side heat-treated polypropylene fibres web layer contains on one side a PVC coating applied in 20-100 g/m 2 surface weight.
  3. 8. Process for the production of a sheet-formed composite insulating material system by applying a thermoplastic polymer layer onto a polyolefin fibrous layer, characterised by the fact that one or both surface layers of the polypropylene fibres web needle felted with 40-180 stitches/cm 2 density is fused in a thickness of 10-100 pm at a temperature of 160-500 OC by applying heat, then the fibrous layer is cooled and on at least on one side of it a polyethylene and/or polypropylene and/or PVC layer of 20-100 g/m 2 is applied, said layer in the present case having a metal pigment content of 0,5-2 wt.% and/or a UV stabiliser content of 0,1-0,5 the layer being applied in the form of a melt, then the composite system is cooled and wound up as required. 'NTO~ deA~<~ d 1 IL ABSTRACT FLAT COMPOSITE INSULATING SYSTEM AND METHOD OF PRODUCING SAID SYSTEM The invention relates to a flat composite insulating system comprising a polyolefyn fibrous material layer and a thermoplastic polymer coating, latter containing in present case a metal pigment and/or additive. The invention also relates to a method of producing said flat composite insulating system. Characteristic of the flat composite insulating system is the fact that it consists of a polypropylene fibres layer which is needle-felted and heat-melted on at least one surface layer, and of a protective coating layer applied to one side or both sides of the needle felt with a surface weight of 20-100 g/m 2 This polyethylene and/or polypropylene coating layer contains in the present case 0,5-2 wt.% metal pigment and/or 0,1-0,5 wt.% UV stabiliser. Characteristic of the production process is the fact that one side or both sides of the polypropylene fibres layer is needled with 40-180 stitches per cm 2 is fused in a thickness of 10-100 jtm, at a temperature of 170-500 OC, by heat treatment, the fibrous layer is then cooled and on at least one side thereof a polyethylene and/or polypropylene and/or PVC layer of 20-100 g/m 2 is applied, said layer having in the present case a metal pigment content of 0,5-2 wt.% and/or UV stabiliser content of 0,1-0,5 the layer being applied in the form of a melt. The composite system is then cooled and wound up as required.
AU39340/95A 1995-11-28 1995-11-28 Flat composite insulating system and method of producing said system Ceased AU705627B2 (en)

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PCT/HU1995/000061 WO1997019813A1 (en) 1995-11-28 1995-11-28 Flat composite insulating system and method of producing said system

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AU3934095A AU3934095A (en) 1997-06-19
AU705627B2 true AU705627B2 (en) 1999-05-27

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AT (1) ATE191177T1 (en)
AU (1) AU705627B2 (en)
DE (2) DE59508105D1 (en)
SI (1) SI0805752T1 (en)
WO (1) WO1997019813A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2452059A (en) * 2007-08-22 2009-02-25 Hunt Tech Ltd Breathable insulation with infrared reflective coating
GB2559451A (en) * 2017-01-31 2018-08-08 Hunt Tech Limited Improvements relating to insulation
US10583978B2 (en) 2015-10-06 2020-03-10 Cold Chain Technologies, Llc Pallet cover compromising one or more temperature-control members and kit for use in making the pallet cover
US10604326B2 (en) 2015-10-06 2020-03-31 Cold Chain Technologies, Llc. Pallet cover comprising one or more temperature-control members and kit for use in making the pallet cover
US11241860B2 (en) 2017-03-13 2022-02-08 Hunt Technology Limited Relating to insulation
US11591133B2 (en) 2015-10-06 2023-02-28 Cold Chain Technologies, Llc Pallet cover comprising one or more temperature-control members and kit for use in making the pallet cover
US11964795B2 (en) 2015-10-06 2024-04-23 Cold Chain Technologies, Llc Device comprising one or more temperature-control members and kit for use in making the device
US11999559B2 (en) 2018-08-10 2024-06-04 Cold Chain Technologies, Llc Apparatus and method for protectively covering temperature sensitive products

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103431562A (en) * 2013-09-03 2013-12-11 苏州宏优纺织有限公司 Ultraviolet proof polypropylene fiber fabric

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1425088A (en) * 1972-08-14 1976-02-18 Vyzk Ustav Pletarsky Multilayer stitch-knitted fabric with a supporting elastomeric foam layer and a method of producing same
GB2067135A (en) * 1980-01-11 1981-07-22 Montedison Spa Improvements in or relating to panels of plastics material
US4283457A (en) * 1979-11-05 1981-08-11 Huyck Corporation Laminate structures for acoustical applications and method of making them

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545700A1 (en) * 1975-10-11 1977-04-21 Basf Ag Self-supporting padded sandwich type mouldings e.g. car roof linings - comprising a fibre reinforced plastics lamina and a foamed coating
AT368448B (en) * 1978-12-14 1982-10-11 Chemie Linz Ag LAYER MATERIAL TO COVER THE REAR SIDE OF NEEDLE FLORAL (TUFTING) CARPETS
DE3106239A1 (en) * 1981-02-20 1982-10-28 J.H. Benecke Gmbh, 3000 Hannover Roller-blind web material which can roll without buckling
SE444979B (en) * 1983-01-14 1986-05-20 Diab Barracuda Ab Thermal camouflage with high transmissivity on the outer layer in the areas 3-5 UM and 8-14 UM
DE3626350A1 (en) * 1986-08-04 1988-02-11 Dynamit Nobel Ag Interior lining for a motor vehicle and process for the production thereof
JPS63286331A (en) * 1987-05-19 1988-11-24 Asahi Chem Ind Co Ltd Building material sheet permeable to water vapor
JP3090707B2 (en) * 1991-04-16 2000-09-25 日本石油化学株式会社 Carpet with yellowing prevention
DE9413289U1 (en) * 1994-08-17 1994-10-20 Kirchner Industrie- und Handelsvertretungen GmbH, 70178 Stuttgart Fleece with a plastic film

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1425088A (en) * 1972-08-14 1976-02-18 Vyzk Ustav Pletarsky Multilayer stitch-knitted fabric with a supporting elastomeric foam layer and a method of producing same
US4283457A (en) * 1979-11-05 1981-08-11 Huyck Corporation Laminate structures for acoustical applications and method of making them
GB2067135A (en) * 1980-01-11 1981-07-22 Montedison Spa Improvements in or relating to panels of plastics material

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2452059A (en) * 2007-08-22 2009-02-25 Hunt Tech Ltd Breathable insulation with infrared reflective coating
US10583978B2 (en) 2015-10-06 2020-03-10 Cold Chain Technologies, Llc Pallet cover compromising one or more temperature-control members and kit for use in making the pallet cover
US10604326B2 (en) 2015-10-06 2020-03-31 Cold Chain Technologies, Llc. Pallet cover comprising one or more temperature-control members and kit for use in making the pallet cover
US11591133B2 (en) 2015-10-06 2023-02-28 Cold Chain Technologies, Llc Pallet cover comprising one or more temperature-control members and kit for use in making the pallet cover
US11634263B2 (en) 2015-10-06 2023-04-25 Cold Chain Technologies, Llc Pallet cover comprising one or more temperature-control members and kit for use in making the pallet cover
US11634267B2 (en) 2015-10-06 2023-04-25 Cold Chain Technologies, Llc Pallet cover comprising one or more temperature-control members and kit for use in making the pallet cover
US11964795B2 (en) 2015-10-06 2024-04-23 Cold Chain Technologies, Llc Device comprising one or more temperature-control members and kit for use in making the device
GB2559451A (en) * 2017-01-31 2018-08-08 Hunt Tech Limited Improvements relating to insulation
GB2559451B (en) * 2017-01-31 2020-09-02 Hunt Tech Limited Improvements relating to insulation
US11241860B2 (en) 2017-03-13 2022-02-08 Hunt Technology Limited Relating to insulation
US11999559B2 (en) 2018-08-10 2024-06-04 Cold Chain Technologies, Llc Apparatus and method for protectively covering temperature sensitive products

Also Published As

Publication number Publication date
SI0805752T1 (en) 2000-08-31
EP0805752B1 (en) 2000-03-29
EP0805752A1 (en) 1997-11-12
DE19581863D2 (en) 1999-03-11
AU3934095A (en) 1997-06-19
WO1997019813A1 (en) 1997-06-05
ATE191177T1 (en) 2000-04-15
DE59508105D1 (en) 2000-05-04

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