CN1313886A

CN1313886A - Mounting material for pollution control devices

Info

Publication number: CN1313886A
Application number: CN99810009A
Authority: CN
Inventors: J·C·派泽特; L·R·霍恩巴克
Original assignee: Minnesota Mining and Manufacturing Co
Current assignee: 3M Co
Priority date: 1998-08-24
Filing date: 1999-01-29
Publication date: 2001-09-19
Anticipated expiration: 2019-01-29
Also published as: CN1170906C; WO2000011098A1; KR20010072915A; JP2002523261A; EP1114109A1; AU2348999A

Abstract

Interconnected material elements, such as mounting pads and mats, which may be manufactured and shipped in sheet, strip or roll form. A process is provided for forming the elements, as well as, a process for mounting a pollution control element in a pollution control device.

Description

The immobilization material of pollution control equipment

Technical field

The present invention relates to the immobilization material of pollution control equipment, or rather, relate to immobilization material pad and the liner made as interconnecting member.

Technical background

Pollution control equipment is applied to Motor vehicles at large, is used for controlling topsoil.Using two kinds of equipment at present is catalytic converter and oil engine particulate filter or catcher.Catalyzer is housed in the catalytic converter, and it generally is coated on one or two ceramic monoliths.Monolithic (one or multi-disc) then is encapsulated in the metal vessel.

Ceramic monoliths is very crisp, and its thermal expansivity is significantly different with the Metal Packaging container.Therefore, since collision and vibration and because thermal cycling, the performance that must have anti-mechanical shock and thermal shocking of ceramic monoliths in container.Damage ceramic monoliths for fear of mechanical shock, in order to remedy the thermal dilation difference of ceramic monoliths and metal shell, and stop gas between monolithic and shell, to pass through, the general immobilization material that the liner form is provided between ceramic monoliths and metal shell.

The oil engine particulate filter is a porous ceramics filter that is fixed in the metal shell, is also referred to as monolithic.A fixed-bearing is provided between monolithic and metal shell usually.

The fixed-bearing of ceramic monoliths generally cuts out from fid tablet upper punch.The fid tablet is for example one or more layers ceramic fiber and/or expanding material.The die-cut liner one by one that gets off is packaged in the case.Monolithic is packed into before the metal shell, from chest, take out liner, encase monolithic, with bail or banded coverture that liner is fixing on the throne.Then each monolithic/spacer assembly is filled in metal shell.

The immobilization material pad also is used in the catalytic converter, between its housing parts and interior separator.Interior separator plays compartmentation to fixing two monolithics in the enclosure.The immobilization material pad also cuts out from fid tablet upper punch.The pad that cuts out is packaged in the chest, takes out before assembling catalytic converter shell, is adhered on the position in the enclosure then.

The applicant recognizes and need to improve makes and the packing immobilization material parts method of pad and liner for example, makes not only can but also can reduce operation sequence during the assembling pollution control equipment during making the immobilization material parts.

Summary of the invention

The present invention has satisfied above-mentioned needs, and wherein for example pad or liner are as the interconnecting member manufacturing to the immobilization material parts.Parts can be with band, sheet or web-like manufacturing and transportation.Interconnecting member makes the operation of packing and assembly process be easy to carry out, and reduces packing cost.

According to a first aspect of the invention, provide the sandwich of immobilization material, it comprises a binder layer, a peeling liner and a fid bed of material.Binder layer is strippingly to be bonded on the peeling liner.Binder layer is bonded on the one side of the fid bed of material.Two sections or the multistage fid bed of material and corresponding binder layer partly constitute two or more fixedly sandwich sections.These two or more sections can be separated from one another, and strip down from peeling liner.Every section all is applicable to the pollution function unit is fixed in the pollution control equipment.

According to a second aspect of the invention, provide and be fixed on method in the pollution control equipment polluting function unit.This method comprises the step that the immobilization material sandwich is provided, and this sandwich comprises binder layer, has the peeling liner that strippingly adheres to described binder layer thereon, the fid bed of material that is stained with described binder layer on its one side.Two sections or the multistage fid bed of material and corresponding binder layer partly constitute two or more fixedly sandwich sections.This method also comprises the steps: a fixing fixing sandwich segments apart and strip down from peeling liner of sandwich section and another; Shell is provided; The pollution function unit is provided; Adopt to constitute one fixedly the binder layer of sandwich section a part fixedly the sandwich section be adhered on a shell and the pollution function unit, and will pollute function unit and locate in the enclosure.

According to a third aspect of the invention we, provide the method that forms the immobilization material sandwich, it comprises the steps: to provide peeling liner, binder layer and the fid bed of material; By binder layer the peeling liner and the fid bed of material are combined, wherein two sections or the multistage fid bed of material and corresponding binder layer partly constitute two or more fixedly sandwich sections; Between adjacent fixedly sandwich section, form weak line.Each section can strip down along weak line and another segments apart and from peeling liner, and each section all is applicable to the pollution function unit is fixed in the pollution control equipment.

According to a forth aspect of the invention, provide the structure of immobilization material, it comprises having two sections or the fid bed of material of multistage that constitutes two or more fixedly sections.Each section all can be along weak line and another segments apart, and is applicable to the pollution function unit is fixed in the pollution control equipment.Can have tackiness agent on the one side of the fid bed of material.In addition, the another side of the fid bed of material also can have release liner (adhesive material that promptly takes off easily).

According to a fifth aspect of the invention, provide immobilization material parts (being liner or pad), it comprises the fid bed of material with two faces.Tackiness agent is positioned on the one side of the fid bed of material, and release liner is positioned on the another side.

Read detailed description and accompanying drawing and will understand purpose of the present invention, feature and advantage.

Brief description of drawings

Fig. 1 is the skeleton view of web-like sandwich;

Fig. 2 is die plate (dierule) skeleton view that first embodiment of the invention forms, and the die plate of part is removed;

Fig. 3 is the plan view that is cut into the sandwich section of many decoupled bands;

Fig. 4 is the plan view that is cut into the sandwich section of many interconnection bands;

Fig. 5 is that the die plate of part is removed according to one section enlarged view of the die plate of second embodiment of the invention formation;

Fig. 6 is the view that obtains along Fig. 5 section line 6-6;

Fig. 7 is that the part die plate is removed according to one section enlarged view of the die plate of third embodiment of the invention formation;

Fig. 8 is the view that obtains along Fig. 7 section line 8-8;

Fig. 9 is divided into the fixedly plan view of one section fid bed of material of section of many interconnection;

Figure 10 is that the die plate of part is removed according to one section enlarged view of the die plate of four embodiment of the invention formation;

Figure 11 is the view that obtains along Figure 10 section line 11-11;

Figure 12 is the decomposition view of catalytic converter shell;

Figure 13 is the plan view that takes off the catalytic converter of its second outer cover part.

The working of an invention mode

Now, with reference to Fig. 1 and 2, wherein show immobilization material sandwich 10.Sandwich 10 comprises the fid bed of material 20, peeling liner 30 and binder layer 40 (be presented among Fig. 2, do not show among Fig. 1).Binder layer 40 is bonded on the one side 42 of the fid bed of material 20, and strippingly is bonded on the peeling liner 30.Those sections 22 of the fid bed of material 20 and those parts of corresponding binder layer 40 have constituted a plurality of fixedly sandwich sections 50.Adjacent section 50 is separated each other by weak line 52, and can along the line 52 be separated from each other.Section 50 also can strip down from peeling liner 30.

The fid bed of material 20 is made of polluting the other materials (one or more) that function unit is fixed in the pollution control equipment one or more layers stupalith and/or expanding material or any being suitable for.U.S. Patent No. 3,916,057 and 5,380,580 have illustrated the example of immobilization material, its content is here with reference to being incorporated into this.The present invention is not limited to the fid bed of material of any particular type.The thickness T of layer 20 _MCan be about 0.04 inch (1.0 millimeters)-0.6 inch (15.0 millimeters).

In this illustrated embodiment, peeling liner 30 and binder layer 40 are combined into is with 32.Sandwich 10 is cut into before band or the sheet, will be with 32 to be applied on the fid bed of material 20.With 32 can be a kind of with the band of article number " High Tack Adhesive Transfer Tape No.927 " available from 3M company.The 3M band is made of with these two portions of binder layer that are the acrylic pressure-sensitive adhesive layer the peeling liner that is the paper substrates of silicone coating.Thick approximately 0.004 inch of paper substrates, thick approximately 0.002 inch of binder layer.Binder layer strippingly is bonded on the paper substrates.Binder layer 40 also can be designed to the film that two face all has pressure sensitive adhesive layer.Also can use other peeling liners and the binder layer clearly do not discussed here, replace discussed above.In addition, the thickness of the concrete thickness of binder layer and peeling liner can be different with above-mentioned size in illustrated this embodiment.It is narrower than the width of the fid bed of material 20 also can to design the width that makes with 32, makes band only cover the part of the one side of the fid bed of material 20.For example, one inch or wide can be incorporated on the fid bed of material 20 of wide about 2-10 inch more than an inch with 32.In this illustrated embodiment, the width with 32 approximates the width of layer 20.

Also design the tackiness agent that the fid bed of material 20 or single immobilization material parts (being liner or pad) can be had be applied on its one side 42, and had the release liner that is applied on the another side 44 (for example silicone compositions etc.).By this way, just can remove peeling liner from.This do not have the fixation structure of special-purpose peeling liner to roll, make its tackiness agent face contact release liner face, then, rolled-up immobilization material structure can be untied again, take off the fixedly section of institute's number required, each fixedly section all be used for fixing the pollution function unit.For example, when fixedly section was being fixed liner, each fixed-bearing can encase the pollution function unit, by tackiness agent fixed-bearing was bonded in and polluted on the function unit.The release liner face of the fixed-bearing of wrapping will expose.Suppose to use the release liner of low friction, the formed pollution function unit that encases just can easily be filled in the shell of pollution control equipment.Do not have the fixation structure of special-purpose peeling liner can be band or sheet, rather than roll.Then, these many bands or sheet just can pile up mutually, make the adhesive face of each band or sheet contact the release liner face of another band or sheet respectively.In addition, one side has the single immobilization material parts (being liner or pad) that tackiness agent, another side have release liner, also can similarly pile up.

Even also can to design the binder layer 40 that makes on the one side 42 that is positioned at the fid bed of material 20 can be the Repositionable adhesive agent, for example has in hotmelt, microballoon tackiness agent and the industry of pattern known any other of the those of ordinary skill tackiness agent that can reset.When use can reset tackiness agent, often use priming paint, here so that the tackiness agent that can reset is adhered on the desired base material (being the fid bed of material 20).If use the tackiness agent that can reset, so peeling liner 30 with regard to available can.If do not use peeling liner, will need for example a kind of low viscosity of a kind of release liner back side sizing material (LAB) is applied on the another side 44 of the fid bed of material 20.Then, this fid bed of material 20 just can roll, and the resetted tackiness agent on the face 42 is contacted with release liner on the another side 44.Release liner can make the volume of the fid bed of material 20 untie easily.Layer 20 sheet or band, the perhaps single liner or the pad of immobilization material also can mutual one be stacked to above another, and the resetted tackiness agent on the face 42 is contacted with another side 44, at this moment available also can be without release liner.

Weak line 52 can be line, line of weakness or the embossed lines that comprises at least one hole.What employed here " line of weakness " or " indentation part " speech was described is the cut-out line or the part of only penetrable material segment thickness.Here employed " embossed lines " or " embossing part " speech, description be in the material non-cut-out but folding line or part can form by the root face (not shown) of die plate.First section that also can be designed so that weak line 52 has the hole, and second section is line of weakness or embossed lines.The arbitrary combination that weak line is perforation, indentation and embossing all is fine.

In embodiment shown in Figure 2, every weak line 52 all is a tool foraminous line 53.Tool foraminous line 53 is formed by die plate 60.An otch blade 62 is arranged on the die plate 60, and this blade has tooth 64a-64c and two side edges 66 at three intervals.In addition, otch blade 62 can have the tooth at two or four or a plurality of intervals.66 pairs of otch blades 62 of side edge are vertically extending.

Blade

62 and 66 is contained in the wooden punch die panel 68, and this panel then is fixed on (not shown) on the reciprocation parts of press.The tooth 64a-64c of blade 62 cuts the part of the fid bed of material 20, binder layer 40 and peeling liner 30 fully, and the result forms three punching 53a in sandwich 10.Side edge 66 is cut sandwich 10 fully, forms defiber 54 in sandwich 10.

Blade

62 and 66 props up the polymer sheet (not shown) that is positioned at below the sandwich 10, for example 0.25 inch polypropylene foil after penetrating sandwich 10.The section of not cutting off of the fid bed of material 20 and binder layer 40 can keep adjacent section 50 interconnection, and they are then separated from one another and strip down from peeling liner 30 in assembly operation.The section 10a interconnection that the not severed segment of peeling liner 30 can keep sandwich 10 together with the not severed segment of the fid bed of material 20 and binder layer 40 is to keep the band shape of sandwich 10, till needs adopt section 50.The concrete width W of not cutting off section 10b of sandwich 10 and the number that does not cut off section 10b should be selected to such an extent that make each section 50 keep interconnection, and be then separated from one another and strip down from peeling liner 30 when needs adopt them.

Though not shown among Fig. 2, die plate 60 can comprise many otch blades 62 and three or more side edge 66.

Blade

62 and 66 cuts into sandwich 10 and manyly isolatingly is with 100, and every band is that each section 50 that interlinks constitutes, and wherein each section 50 joins end to end with another section 50 at least, sees Fig. 3.Also can be designed so that to be with 100 to encase a distribution rollers 110, see Fig. 1, make and be with 100 to be web-like.Also die plate 60 can be designed to comprise many otch blades 62 and three or more otch side edge (not shown).The otch side edge forms defiber 540, sees Fig. 4, and these defibers constitute weak line.Therefore, otch blade 62 and otch side edge can cut into sandwich 10 by some of interconnection with 100 sheets that constitute 102, and wherein each is with 100 sections 50 that all comprise many interconnection.In embodiment shown in Figure 4, all with at least another section 50 is arranged side by side for each section 50, and joins end to end with another section 50 at least.Sheet 102 can be rolled onto and be web-like on the distribution rollers 110.

The die plate 160 that forms according to second embodiment of the invention as illustrated in Figures 5 and 6, the wherein identical identical things of numbering indication.In this embodiment, die plate 160 comprises at least one serrated knife blade 162, has many multiple tooth 164 and two or more side edge (not shown) on this blade.Its side edge is similar to above-mentioned side edge 66, and is about 90 angles of spending with serrated knife blade 162.Sawtooth sword and side edge are packed in the wooden punch die panel 68, and this panel then is fixed on the reciprocation parts (not shown) of press.Tooth 164 in this embodiment should almost can be cut the fid bed of material 20 fully, therefore forms tool foraminous line in layer 20.Tooth 164 also forms many holes in binder layer 40 and peeling liner 30.Side edge is cut sandwich 10 fully, and purpose is to form defiber 54 in sandwich 10.In addition, side edge can be an incision-like, also can be spination.Incision-like or spination side edge form in sandwich 10 and separate weak line 540, and purpose is to form one or more interconnection to be with 100.Serrated knife blade and side edge prop up the polymer sheet (not shown) that is positioned at below the sandwich 10, for example 0.25 inch polypropylene foil after cutting sandwich 10.Also tooth 164 can be designed to cut the fid bed of material 20 fully, and in binder layer 10 and peeling liner 30, only cut out some holes.

The die plate 260 that forms according to third embodiment of the invention shown in Fig. 7 and 8, the wherein identical identical things of numbering indication.In this embodiment, die plate 260 comprises many first serrated knife blade 262 and second side sawtooth sword (not shown).First and second blades form tool foraminous line 252 in the fid bed of material 200, thereby constitute many fixedly sections 270, see Fig. 9.Each section 270 all at one end has a tongue piece 272, has the recess 274 of accepting tongue piece at the other end.Layer 200 preferably forms with above-mentioned layer 20 identical materials.Also second side edge can be designed to can cut the fid bed of material 200 fully, make layer 200 be divided into some decoupled bands, each decoupled band is made of a plurality of fixedly sections 270.

The die plate 360 that forms according to four embodiment of the invention shown in Figure 10 and 11, the wherein identical identical things of numbering indication.In this embodiment, die plate 360 comprises many first blades 362 and the second side edge (not shown).In first and second blades each all has and is roughly rectilinear cutting edge 362a, is used for forming in the fid bed of material 300 line of weakness 351.Line of weakness 351 constitutes many and shown in Figure 9 fixedly sections 270, the fixedly section 370 that shape is identical.Also second side edge can be designed to can cut the fid bed of material 300 fully, make layer 300 be divided into some decoupled bands, each decoupled band is made of a plurality of fixedly sections 370.

Fixedly sandwich section 50 can be an immobilization material pad 350, and fixedly section 270 and 370 can be an immobilization material liner 352.Pad 350 and liner 352 are applicable to the pollution function unit are fixed in the pollution control equipment.Pad 350 is preferably made by stupalith.Liner 352 is preferably made by one or more layers stupalith and/or expanding material.

Referring now to Figure 12,, the figure shows the shell 300 of catalytic converter 310.Shell 300 comprises

separator

306 and 308 in first and second

outer cover parts

302 and 304 and first and second.The

cover part

302 and 304 and

separator

306 and 308 preferably by metal for example stainless steel form.Be contained between first cover part 302 and first separator 306 is first, second and the 3rd immobilization material pad 350a-350c.Be fixed between second cover part 304 and second separator is the 4th, the 5th and the 6th immobilization material pad 350d-350f.Pad 350a-350f helps to keep the heat in the catalytic converter shell 300.Separator 306 and 308 can be connected on

outer cover part

302 and 304 with welding process or other modes.

Also have the

ceramic monoliths

330 and 332 of two routines in the catalytic converter 310, see Figure 11.In Figure 11, the second cover part 304 is not shown.Each monolithic 330 and 332 all wraps in the immobilization material liner 352.Each liner 352 all has a tongue piece at the one end, and this tongue piece is positioned at the recess 374 of liner 352 the other ends and accepts.In the cover spare that combines 302 and 304, by the expansion on the spot of immobilization material, liner 352 just closely and is flexiblely supporting monolithic 330 and 332.

Catalytic converter 310 assemblings are as follows.Section 50a shown in Figure 1 can comprise

pad

350b and 350e, and section 50b can comprise

pad

350a, 350c, 350d and 350f.Pad 350a-350f takes off from peeling liner 30, and is adhesively secured on separator 306 and 308.As shown in Figure 1, peeling liner 30 best the top of slave plate 112 pass through, this plate have be perpendicular to one another basically be roughly planar first and second planar section 112a and the 112b.These two planar section 112a and the 112b part of joining is a sharp edge 112c.Peeling liner 35 moves along the outside surface of plate 112 and is rolled onto on the wind up roll 114.Because peeling liner 30 passes through on sharp edge 112c, just separate easily with on the sandwich section 50, the operator just takes off section 50 from peeling liner 30 easily like this.

The

separator

306 and 308 that is stained with pad 350a-350f is fixed on the

cover part

302 and 304 with welding or other mode.Liner 352 is separated from one another along tool foraminous line 252 or line of weakness 351.Then, encase monolithic 330 and 332 with them, and fixing on the throne by bail or banded coverture.Then, the monolithic 330 and 332 that is wrapped is filled in the first cover part 302.Afterwards, the second cover part 304 is contained on the first cover part 302, and is connected on the first cover part 302 with welding or other mode.

Also can be designed to form liner 352 by sandwich 10, it comprises can make liner 352 be directly bonded to binder layer on monolithic 330 and 332.In addition, without binder layer, also can form pad 350.

First end of the peeling liner 30 of each sandwich band 100 can stretch out the fid bed of material 20 outsides, forms a tongue piece, and this tongue piece can make the operator easily from on the first cascade thing section 50 on 100 peeling liner being stripped down.

In addition, also can make die plate before passing the fid bed of material 20, at first pass peeling liner 30 and binder layer 40, form weak line like this.Therefore, cut peeling liner 30 and binder layer 40 fully and only part cut the fid bed of material 20, make and form tool foraminous line or line of weakness in the fid bed of material 20, can form weak line like this.

The pollution function unit that liner 352 also can be used to encase other for example is used for the monolithic in the oil engine particulate filter, or is used for the monolithic between the metal level of the terminal cone of double-walled (terminal cone can be used for catalytic converter).When being used for terminal cone, the purposes of liner 352 has been insulating effects rather than has helped fixing.Therefore, the present invention also can be used to be provided for the material layer of any purposes (for example insulation) in the pollution control equipment.

Claims

1. sandwich, it comprises: binder layer, have strippingly the peeling liner that adheres to described binder layer thereon, the material layer that is stained with described binder layer on its one side, the corresponding section of two sections or described material layer of multistage and described binder layer constitutes two or more sandwich sections, described these two or more sections can be separated from one another and be stripped down from described peeling liner, and described each section all is applicable in the pollution control equipment.

2. material sandwich as claimed in claim 1, wherein said sandwich are banded, and described two or more sections are arranged each other end to end.

3. material sandwich as claimed in claim 1, wherein said sandwich is a sheet, described two or more sections are arranged side by side each other.

4. material sandwich as claimed in claim 1, wherein said sandwich is a web-like.

5. material sandwich as claimed in claim 1, the adjacent sections of wherein said two or more sandwich sections can be easily separated from one another along weak line.

6. material sandwich as claimed in claim 5, wherein said weak line are one and contain the line that at least one passes the hole of described at least material layer formation.

7. material sandwich as claimed in claim 1, the adjacent segment of wherein said material layer can be easily separated from one another along the line that contains one or more holes.

8. material sandwich as claimed in claim 7, the adjacent part of wherein said binder layer can be easily separated from one another along the line that contains one or more holes.

9. material sandwich as claimed in claim 1, wherein corresponding to the adjacent part of the described peeling liner of described sandwich section can by weak line each other part disconnect.

10. material sandwich as claimed in claim 1, wherein said each sandwich section are to be suitable for being placed at outer cover part in the pollution control equipment and the set-up piece form between the separator.

11. material sandwich as claimed in claim 1, wherein said each sandwich section are to be suitable for encasing the fixed-bearing form of polluting function unit.

12. one kind will be polluted function unit and be fixed on the interior method of pollution control equipment, it comprises the steps:

A kind of material sandwich is provided, and described sandwich comprises binder layer, has the peeling liner that strippingly adheres to described binder layer thereon, the material layer that is stained with described binder layer on its one side; The corresponding section of two sections or multistage material layer and binder layer constitutes two or more sandwich sections;

Strip down with a described sandwich section and another described sandwich segments apart and from peeling liner;

Shell is provided;

The pollution function unit is provided;

Adopt the described binder layer part that constitutes a described sandwich section that a described sandwich section is adhered on described shell and the pollution function unit;

To pollute function unit is positioned in the described shell.

13. method as claimed in claim 12, wherein said pollution function unit is a monolithic.

14. method as claimed in claim 12, the wherein said step that shell is provided comprises the step that first and second outer cover parts and at least one separator are provided, described adhesion step be a described sandwich section is adhered to that in described first and second outer cover parts one goes up and described separator on.

15. method as claimed in claim 12, a wherein said sandwich section is the fixed-bearing that is suitable for encasing described pollution function unit.

16. a method for preparing the material sandwich, it comprises the steps:

Peeling liner, binder layer and material layer are provided;

By described binder layer described peeling liner and material layer are combined, wherein two sections or multistage material layer and corresponding binder layer partly constitute two or more sandwich sections;

Between adjacent sandwich section, form weak line, each section can strip down along weak line and another segments apart and from peeling liner, and each section is applicable to and is fixed on the pollution function unit in the pollution control equipment or plays insulating effect in pollution control equipment.

17. method as claimed in claim 16, wherein said each sandwich section are to be suitable for placing the outer cover part of pollution control equipment and the set-up piece form between the separator.

18. method as claimed in claim 16, wherein said each sandwich section are to be suitable for encasing the fixed-bearing form of polluting function unit.

19. material structure body, it comprises having the layer of material layer that two sections or multistage can constitute the material layer of two or more sandwich sections, each described section can be along weak line and another segments apart, and is applicable to and is fixed on the pollution function unit in the pollution control equipment or plays insulating effect in pollution control equipment.

20. material structure body as claimed in claim 19, wherein said material structure body are banded, described two or more sections join end to end each other.

21. material structure body as claimed in claim 19, wherein said material structure body is a sheet, and described two or more sections are arranged side by side at least each other.

22. material structure body as claimed in claim 19, wherein said material structure body is a web-like.

23. material structure body as claimed in claim 19, wherein said weak line is a line that contains a hole at least.

24. material structure body as claimed in claim 19, wherein said weak line is a line of weakness.

25. material structure body as claimed in claim 19, wherein said material layer comprises expanding material.

26. material structure body as claimed in claim 19, wherein said each section are to be suitable for placing interior outer cover part of pollution control equipment and the set-up piece form between the separator.

27. material structure body as claimed in claim 19, wherein said each section are to be suitable for encasing the fixed-bearing form of polluting function unit.

28. material structure body as claimed in claim 19 has tackiness agent on the wherein said material layer one side.

29. material structure body as claimed in claim 28 has release liner on the wherein said material layer another side.

30. a material components, it comprises the material layer with two faces, has tackiness agent on its one side, has release liner on the another side, and described material is suitable for being used in the pollution function unit or plays insulating effect in pollution control equipment.

31. material structure body, it comprises many material components that can be separated from one another, each parts comprises the material layer with two faces, has the Repositionable adhesive agent on its one side, and described material is suitable for being used in the pollution function unit or plays insulating effect in pollution control equipment.