CN101437913A - Repair laminate for mounting brackets and method of using the same - Google Patents

Repair laminate for mounting brackets and method of using the same Download PDF

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Publication number
CN101437913A
CN101437913A CNA2007800159482A CN200780015948A CN101437913A CN 101437913 A CN101437913 A CN 101437913A CN A2007800159482 A CNA2007800159482 A CN A2007800159482A CN 200780015948 A CN200780015948 A CN 200780015948A CN 101437913 A CN101437913 A CN 101437913A
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CN
China
Prior art keywords
repair laminate
repair
laminate according
sensitive adhesive
pressure sensitive
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Pending
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CNA2007800159482A
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Chinese (zh)
Inventor
丹尼斯·R·凯歇尔
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3M Innovative Properties Co
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3M Innovative Properties Co
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Publication date
Priority claimed from US11/381,337 external-priority patent/US20070259171A1/en
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of CN101437913A publication Critical patent/CN101437913A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/06Making multilayered articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/10Interconnection of layers at least one layer having inter-reactive properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00Electrical equipment
    • B32B2457/10Batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives

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  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)

Abstract

Repair laminates and methods of repairing or forming various structures utilizing the repair laminates are described. The repair laminates may be useful for repairing or forming a variety of structures, and are particularly well suited for repairing mounting brackets on automobile panels. In an embodiment, a repair laminate is described, the repair laminate comprising: a layer of pressure sensitive adhesive having two opposing surfaces; a polymeric support backing bonded to a first surface of the pressure sensitive adhesive, the support backing having a thickness of at least 0.75 millimeters; and a rigid reinforcing layer bonded to a portion of the second surface of the layer of pressure sensitive adhesive. The repair laminates as described herein may be used to make or repair a variety of structures.

Description

The repair laminate and the using method thereof that are used for installation bracket
Technical field
The present invention relates to repair laminate, and the method for preparation and repairing installation bracket and other structures or substrate.
Background technology
Installation bracket is used for assisting object is in place on wall or other structures in multiple application.For example, plate is remained on installation bracket or " trim plate " on the vehicle frame, auto panel can be installed on the vehicle frame by using.Owing to reasons such as collision, misuses, this installation bracket may be impaired.Specifically, bumper is easy to come to harm, and usually suffers to cause the impaired collision of collision bumper installation bracket or other to impact.In case the fracture of the installation bracket of automobile must be changed it usually.
The currently known methods of repairing installation bracket comprises use two part adhesive system and plastic wire reinforcing member.The use difficulty of these methods and consuming time, and usually can't provide abundant and consistent structural integrity for the carriage of being repaired.
Summary of the invention
Embodiments of the invention can provide the repair laminate and the using method thereof of the structural integrity of better ease for use and improvement by description for the prior art system, thereby tackle these problems and other problems.
In one embodiment, repair laminate is described, this repair laminate comprises:
Pressure sensitive adhesive layer with two apparent surfaces; Be bonded to the polymeric support backing of pressure sensitive adhesive first surface, the thickness of this supporting backing is at least 0.75 millimeter; And the rigidity back-up coat that is bonded to the part of pressure sensitive adhesive layer second surface.
As further described herein, this repair laminate can be used for preparation or repairs multiple structure.
Description of drawings
Fig. 1 shows the sectional view of the repair laminate among the embodiment of the present disclosure;
Fig. 2 a shows the sectional view of the repair laminate among another embodiment;
Fig. 2 b is the vertical view of repair laminate shown in Fig. 2 a;
Fig. 3 shows the bumper with impaired/broken bracket;
Fig. 4 shows to have and repairs bumper carriage, Fig. 3;
Fig. 4 a and Fig. 4 b show among Fig. 4 the exploded view of the more detail of repair risk insurance thick stick; And
Fig. 5 shows the installation bracket among another embodiment of the disclosure.
Embodiment
Describe repair laminate and repairing and prepared substrate or the method for other structures.Be meant any structure to be repaired or the structure that supports as repair laminate in this used " substrate ".Repair laminate is formed by the multilayered structure that comprises adhesive material and supporting course, hereinafter will be described in more detail it.In certain embodiments, other rigidity reinforcement materials such as metal are added repair laminate so that additional support to be provided.Repair laminate as herein described is suitable for repairing or forming multiple three-dimensional structure.The limiting examples of suitable structure comprises installation trim plate (for example, being used for installing the installation trim plate of auto panel) and is used for article are attached to wall or other surperficial installation brackets.Laminated thing as herein described and method provide simple and clear method for repairing installation trim plate, carriage and other structures.Repair laminate is because its outstanding temperature stability is applicable to the application such as the coverture of preparation wire harness and repairing/replacing battery or other electronic installations.
Repair laminate as herein described is similar to the laminated thing of motor vehicle repair described in the patent application of owning together that sequence number is 11/182912 (attorney 60821US002), and this full patent texts is incorporated this paper into way of reference.The embodiment of this paper provides the method for using repair laminate material and optional rigidity back-up coat to repair or change three-dimensional structure.
Forward accompanying drawing now to, the repair laminate 10 that Fig. 1 shows in the embodiments of the invention to be adopted.Repair laminate 10 has composite bed 12, and this composite bed comprises binder layer 14, and this binder layer is positioned on the opposite side of centronucleus 16 of rubber or polymeric material.In one embodiment, core material is the foam of polymers form.In other embodiments, composite bed 12 can be made of jointing material fully, thereby need not center stratum nucleare 16 (not shown).The structure of composite bed 12 provides intensity for repair laminate, shows the material that high-energy absorption has shock-resistance thereby also provide simultaneously.Therefore, the more difficult breakage of structure for preparing or repair by repair laminate as herein described.
The embodiment of repair laminate 10 shown in Figure 1 also comprises and is bonded to supporting backing 20 composite bed 12, plastically deformable.In one embodiment, the surface 18 of supporting backing 20 comprises the agglutinating tackifier layer 22 of finishing 12 of supporting backing 20 and composite beds.The supporting backing 20 of plastically deformable combines with composite bed 12 suitable shapes, so that shock-resistance to be provided, also to provide simultaneously and repairs the necessary structural rigidity of substrate.Details about the modification of supporting backing 20 and composite bed 12 in the various embodiments of repair laminate will discuss in more detail hereinafter.
Fig. 2 a shows the sectional view of repair laminate 30 in the another embodiment of the present invention.Repair laminate shown in this embodiment has the structure with the similar of Fig. 1 middle level compound, and comprises rigidity back-up coat 25 in addition, and this rigidity back-up coat covers at least a portion of a binder layer 14 in repair laminate.Fig. 2 a further is depicted as repair laminate has composite bed 12, and this composite bed has around the binder layer 14 of the centronucleus 16 of rubber or polymeric material.By being applied to the optional tackifier layer 22 on the surface 18 of supporting backing 20, composite bed 12 is attached to supporting backing 20.The structure of the repair laminate among this embodiment also comprises the rigidity back-up coat 25 of a part that covers binder layer 14.Fig. 2 b shows the vertical view of the repair laminate of Fig. 2 a, and shown in Fig. 2 b, rigidity back-up coat 25 is disposed on the binder layer 14, and making has enough adhesive materials around rigidity back-up coat 25.Like this, rigidity back-up coat 25 can be aimed at the structure that will repair, and the adhesive material that centers on is used for repair laminate is kept in position.In another embodiment, rigidity back-up coat 25 can be aimed on the outward flange of binder layer.
Be shown as successive layers though will support back sheet 20 among the figure, supporting back sheet 20 can be the lipostrat form.Laminated if desired thing material has higher snappiness, can remove by some part that continuous or random mode will support backing 20, so that required snappiness to be provided.
Those of skill in the art will appreciate that, can carry out suitable cutting to above-mentioned repair laminate 10,30, with the structure that is suitable for preparing or repairing.Rigidity back-up coat 25 can be made by any rigid material, and in one embodiment, rigidity back-up coat 25 is made of metal, and hereinafter will further be described.
Fig. 3 shows the impaired or damaged auto panel 40 of installation bracket 42,44.As used herein, auto panel comprises any plate of automobile, comprising the outer panel such as door, collision bumper, splash pan etc., and the inside plate such as dashboard, door-plate, central control station etc.Plate after Fig. 4 shows and uses above-mentioned repair laminate 10,30 to repair, Fig. 3.
Want repairing damaged or damaged installation bracket 42,44, then with repair laminate 10,30 cuttings be and the appropriate size and the shape of impaired or damaged carriage 42,44 couplings, use the attachment flange 48,50 of enough additional repair laminate 10,30 materials formation against auto panel 40 surfaces 41.In general, attachment flange 48,50 is big more, and bonding is just strong more.In one embodiment, the size of attachment flange is about 1/2 to 1 inch (about 12.7mm is to about 25.4mm).
For the adhesion characteristic that keeps binder layer 14 and suppress the unexpected attached of repair laminate 10,30, can use the release liner (not shown) to protect binder layer 14, can use up to repair laminate 10,30.
Repair laminate 10,30 is attached to before the auto panel to be repaired 40, can on the surface 41,42,44 of plate, prepare tackifier, for example, production code member is 06396 3M automobile tackifier (3M Automotive Adhesion Promoter), can be commercially available from 3M company (Sao Paulo, the Minnesota State).Part by location repair laminate 10 is to damaged auto panel bracket 42 places under repair then, and this repair laminate plays the effect of attachment flange 48, closes on the surface 41 that damaged bracket 42 is resisted against auto panel 40.Then repair laminate 10 is fixed to the front surface of damaged bracket 42, and repair laminate 10 is folding on the rear surface of damaged bracket 42, make the rest part of repair laminate 10 on the opposite side of carriage 42, form attachment flange 48.Fig. 4 a illustrates in greater detail the structure of the carriage of having repaired 42.
For additional supporting is provided, can use repair laminate 30 repair damaged bracket 42.Use the mode of 30 pairs of auto panel 40 places under repair of repair laminate similar with the mode of using laminated thing 10 places under repair, different is that this mode uses rigidity strenthening member 25 (for example, tinsel) to provide further structure for the carriage 42 of fracture.Rigidity strenthening member 25 (preferably be cut and be the shape identical with broken bracket 42) is attached to the surface 14 of repair laminate 30, and its side with respect to damaged bracket 42 is aimed at.The rest part of repair laminate 30 is attached to the opposite side of carriage 42, and makes the both sides on its surface that is fixed on auto panel 40 41, thereby form attached trim plate 48.
In case this new trim plate is in place, just additional laminate material can be cut size and dimension with the replicating original trim plate, and, if necessary, can on new trim plate, hole so that attachment hardware to be installed.
Repair laminate as herein described also can be used for repairing installation bracket damaged on the auto panel 40 44 (referring to Fig. 3).Repair damaged installation bracket 44, as described in following example 1, prepare big or small appropriate rigidity strenthening member 25 (for example, metal block), and it is attached to the opposite side of two repair laminates 10, and these two repair laminates 10 have been cut to extending beyond rigidity strenthening member 25.The fragment that repair laminate 10 is extended beyond rigidity strenthening member 25 is outwardly-bent, and is attached on the surface 41 of auto panel 40, to form attached trim plate 50.Additional repair laminate material can be cut from repairing carriage then, and, if necessary, can on by the repairing carriage, hole so that attachment hardware to be installed.Fig. 4 shows the carriage of having repaired, and Fig. 4 b shows the CONSTRUCTED SPECIFICATION of this carriage of having repaired.
Repair laminate disclosed herein can be used for forming or repairing multiple three-dimensional structure.Fig. 5 shows the common installation bracket assembly 60 that is made of repair laminate material described herein.Carriage 68 has the first anchor portion 70 and the second anchor portion 72 that is connected by central arm 74, and wherein carriage 68 is made up of the repair laminate described in top Fig. 1 and Fig. 2 basically.Can further be configured to other objects the first and second anchor portions 70,72 attached.For example, anchor portion 70 is attached to surface 62, and anchor portion 72 is attached to surface 64 by means of tackiness agent composite bed 12 by thread gluing material 66.Can use carriage 68 suspended articles on wall, wherein surface 62 is a wall, and anchor portion 72 has the goods 64 that are mounted thereon.Carriage 68 need can be used in addition the repairerment of multiple house, building or the commercial applications of carriage or other mounting structures.Those of skill in the art will appreciate that repair laminate material as herein described can be used for forming or repairing multiple three-dimensional structure, and example described herein is not the scope that is intended to limit present patent application.
Repair laminate described herein shows temperature stability widely, therefore makes material be applicable to and can make laminated thing stand thermal extremes or cryogenic application.The thermostability scope of material described herein is making an appointment with-20 ℉ (28.8 ℃) to about 200 ℉ (93.3 ℃).Therefore, laminated thing described herein can be used for repairing or changing the coverture of battery or other engine parts, and the band tool as wire rod or other electronic components perhaps is used for changing or repairing the parts of freezing or frozen environment.
As described herein, can provide repair laminate 10,30 in a variety of forms, for use in repairing auto panel and repairing or making up other structures.In one embodiment, the thickness of composite bed 12 can be between 0.125 and 1.25 millimeter (mm), and typically be between about 0.40 and 0.64mm between.The thickness of the supporting backing 20 among embodiment can between 0.75 and 5mm between, and typically be between 1 and 2mm between. Repair laminate 10,30 can have the multiple shape and size that are suitable for respective application.In one or more embodiments, can select the size of repair laminate 10,30 so that the impaired area that laminated thing 10 extends beyond structure to be repaired (for example, auto panel) 50mm at least.In certain embodiments, the adhesive surface 14 of repair laminate 10,30 can be coated with the release liner (not shown) always before can using.
Binder layer 14 described herein can be made of multiple adhesive material as known in the art.In one embodiment, binder layer 14 is made of pressure sensitive adhesive (PSA).The PSA material that is adopted among a plurality of embodiment of the present invention can be selected from multiple powerful bonding PSA.According to the character of PSA, PSA has inherent viscosity, in case exert pressure, will instantaneously bond under the situation of not accepting other any processing.In one embodiment, pressure sensitive adhesive is the acrylic foam tape form.Acrylic foam tape can be (VHB) commercially available from 3M company (Sao Paulo, the Minnesota State) with " Acrylic Foam Tape " (acrylic foam tape) with trade(brand)name " acrylic adhesive tape ".In another embodiment, can use polyurethane foam tape.Polyurethane foam tape can be commercially available from high functional plastics company of Saint-Gobain (Saint-Gobain Performance Plastics) (New York Ge Weili) with trade(brand)name " 2845 polyurethane foam tape " (2845 Urethane FoamTape), " V2100 thermal bond adhesive tape " (Thermalbond V2100) and " T-Bond II ".Pressure sensitive adhesive material of the present invention advantageously need not to use heating or radiation mode to solidify just can form bonding.
The example of the pressure sensitive adhesive that is fit to is at U.S.6,103,152 (lid Ademilson people such as (Gehlsen)), U.S.6,630,531 (card Depew people such as (Khandpur)) and U.S.6,586, describe to some extent among 483 (the Cole's cloth people such as (Kolb)), its whole disclosures are incorporated this paper into way of reference.Another example of pressure sensitive adhesive is described among 080 (the card Depew people such as (Khandpur)) to some extent at US 6,777, and its full content is also incorporated this paper into way of reference.
In one embodiment, the PSA material is as U.S.6, the acrylic polymers foam article described in 103,152.This foam comprises a plurality of microballoons, and wherein at least one microballoon is expandable polymer microsphere.
For avoiding air entrapment and further improve the cohesiveness of binder layer, can be with the shaping surface of binder layer for having microstructured surface.Form microstructured surface so that form successive open channel or groove basically in the binder layer.Any air that open channel allows to capture between binder layer and substrate is overflowed, thereby prevents to reduce the formation of the bubble of adhesives.Microstructured surface can comprise that (for example) comprises a series of shapes of ridge, post, cone, hemisphere and cone, and/or they can be to have flat, projecting part branch, the protrusion or the depression of cutting flat part or circular portion, all these parts can have with respect to angled limit of surface plane or perpendicular limit.Microstructured surface can have pattern, can be random, and perhaps be the combination of both of these case.Can pass through (for example) U.S.6, the method for describing in 197,397 and 6,123,890 prepares microstructured surface, and it incorporates this paper by reference into.In addition, microstructured surface can be as U.S.5, and 296,277,5,362,516 and 5,141, described in 790 is non-sticky like that.
As used herein, " foam of polymers " is meant the goods that comprise this type of polymeric matrix: the density of goods in this polymeric matrix is less than the density under the polymeric matrix Individual existence situation.In one or more embodiments, polymer foams can have slick basically surface, and this helps the seamless adhesion with substrate.
The surface of " smooth basically " is meant the Ra value less than about 75 microns surface, uses laser triangulation to divide consistency profiles and measures.In one embodiment, the Ra value on the surface of foam of polymers is less than about 50 microns, and in another embodiment, the Ra value on surface is less than about 25 microns.The surface of the foam of polymers among some embodiment can this situation of the visible macroscopic defects of naked eyes characterize such as wrinkle, ripple and pleat trace by not existing basically yet.In addition, the surface of the foam of polymers among some embodiment can be enough smooth, so that it presents sufficient contact, and therefore is adhered to the substrate of being paid close attention to.
" expandable polymer microsphere " is the microballoon that comprises the expanded by heating core material of polymer shell and gas, liquid or its array configuration.The expansion of core material causes shell to expand then at least when reaching Heating temperature.Expended microsphere is that its shell can initial bubble or further expand and can broken microballoon.Some microballoons can have and only allow near core material expansible polymer shell when reaching Heating temperature or when reaching the Heating temperature.
Can use a kind of constructing polymer foam PSA of the coming material at least two kinds of different modes.Self can be tackiness agent foam of polymers, perhaps polymer foams can comprise and is bonded to one or more separate adhesive compositions of foamy, for example, successive layers or separate structure form are (for example, bar, bar, filament etc.) binder composition, in this case, foam self needn't be tackiness agent.
The foam of polymers PSA of some embodiment can be substantially free of urethane crosslinks and urea is crosslinked, thereby need not to have isocyanic ester in composition.The example that is suitable for preparing the material of foam of polymers is acrylic polymers or multipolymer.In some cases, for example, under high bond strength of needs and/or high-modulus situation, foam can be crosslinked.
The foam of polymers of some embodiment can comprise a plurality of expandable polymeric microspheres.Foam can also comprise one or more not expended microspheres, and this microballoon can be polymkeric substance or non-polymer microballoon (for example, glass microsphere).The example of expandable polymeric microspheres can comprise that its shell is substantially free of the microballoon of vinylidene chloride units in the polymer foams of one or more embodiment.The core material of a plurality of embodiment can comprise the expanded by heating material beyond the air.
The foam of a plurality of embodiment can also comprise reagent except comprising microballoon.The example that is fit to reagent comprises the reagent that is selected from the group of being made up of tackiness agent, softening agent, pigment, dyestuff, solid weighting agent and their combination.Foam can also comprise the space of filling with air in the polymeric matrix.This type of space is formed by following mode usually: in matrix material, comprises blowing agent blends, excites blowing agent blends then, for example, by matrix material is exposed under heat or the radiation.
The foam of some embodiment comprises that basically non-crosslinked or thermoplastic polymer matrix's material can be desirable.It can be desirable that the foamy matrix polymer of some embodiment presents the crosslinked of some degree.These type of crosslinked a kind of potential advantages are: with have still less crosslinked or do not have crosslinked same class A foam A contrast, this class A foam A may present the mechanical property (for example, improving bond strength) of improvement.
In one embodiment, the PSA material comprises the foam of polymers that contains these parts: (a) a plurality of microballoons, and wherein at least one is expandable polymeric microspheres (being defined as top); And (b) be substantially free of the crosslinked polymeric matrix of urethane crosslinks and urea.This matrix comprises the blend of two or more polymkeric substance, wherein at least a of polymkeric substance is the pressure-sensitive adhesive polymers (polymkeric substance that promptly has intrinsic pressure-sensitive character in the blend, with must could to form the polymkeric substance of pressure sensitive composite in conjunction with tackiness agent opposite), and at least a in the polymkeric substance is selected from by unsaturated thermoplastic elastomer, vinylformic acid are insoluble and separates the group that saturated thermoplastic elastomer and non-pressure sensitive adhesive thermoplastic polymer are formed.
Can prepare the PSA material in several ways, for example, by: (a) at the following melting mixing polymer composition of processing condition (comprising temperature, pressure and shearing rate) and a plurality of microballoon of selecting to be used to form inflatable extruding batch mixing, wherein one or more microballoons are expandable polymeric microspheres (being defined as top); (b) push this batch mixing to form foam of polymers (being defined) by mould as top; And (c) before polymer composition breaks away from mould, one or more expandable polymeric microspheres at least in part expand.In certain embodiments, before polymer composition broke away from mould, expended microsphere expands at least in part with most of (if not all) can be desirable.Before breaking away from mould at batch mixing, expandable polymeric microspheres is expanded, the gained crushed foam can be prepared as and meet stricter tolerance.
It can be desirable making the PSA material be substantially free of solvent in certain embodiments.In one embodiment, the PSA material can comprise the solvent less than 20 weight %, and in another embodiment, material can comprise the solvent that is substantially zero to being not more than 10 weight %, and In yet another embodiment, material can comprise the solvent that is not more than about weight 5%.
The PSA material of a plurality of embodiment can have in one embodiment at least about 10, and the weight-average molecular weight of 000g/mol can have in another embodiment at least about 50 the weight-average molecular weight of 000g/mol.(in temperature is that 175 ℃ and shearing rate are 100sec to the shear viscosity that presents for the polymkeric substance of the PSA material that is used to make a plurality of embodiment -1Measure under the condition), be at least about for 30 pascal-seconds (Pa-s) in one embodiment, be at least about 100Pa-s in another embodiment, be at least about 200Pa-s In yet another embodiment.
The PSA foam materials of a plurality of embodiment can also be crosslinked.For example, foam can be exposed to heat, photochemical environment, ionizing rays or its combination with crosslinked foams after extruding.Also can be by finishing crosslinked based on the interactive Chemical Crosslinking Methods of ion.
The supporting backing that is adopted among the embodiment disclosed herein can be selected from and comprise the plastically deformable polymeric material multiple material of (comprising thermoplasticity and thermosetting material).Because can viscous deformation, make the supporting backing be shaped easily and keep its shape easily.In one embodiment, plastically deformable supporting backing is a serialgram.In another embodiment, according to the D-412 of American Society for testing and materials (ASTM), the elongation at break of plastically deformable supporting backing is at least 50%.In another embodiment, according to the D-412 of American Society for testing and materials (ASTM), the elongation at break of plastically deformable supporting backing is at least 100%.In yet another embodiment, according to the D-412 of American Society for testing and materials (ASTM), the elongation at break of plastically deformable supporting backing is at least 200%.
Specifically, can also can be used as the supporting backing as the material of car return moldings bar and automobile clad material in the automobile construction.Example comprises polypropylene, terpolymer EP rubber (EPDM), thermoplastic polyurethane (TPU), reaction injection moulding (RIM) urethane plastic and thermoplastic olefin (TPO), and it is the multipolymer of polypropylene, polyethylene and rubber.In another embodiment, but the black car coating of commodity in use " black TPO-TG compound " (Black TPO-TG Compound) by name, can be commercially available from Polyone Corp's (PolyOne Corporation) (joslyn hi-voltage).The supporting backing can comprise alternatively and is intended to realize that (for example, purpose attractive in appearance) one or more top coats have illustrated this top coat and can improve tack other purposes.
The rigidity back-up coat that adopts among some embodiment disclosed herein can be made of any rigid material such as metal, rigid polymer, timber, glass etc.In one embodiment, used the tinsel of 16-22 number rule.
According to the type of the repair laminate of impaired body panel and employing, tackifier of the present invention can be selected from multiple material.Exemplary tackifier comprise the tackifier that are used for acrylic foam tape, RIM and TPO, can be commercially available from 3M company (Sao Paulo, the Minnesota State) with tackifier (3M Automotive Adhesion Promoter) (production code member 06396) with trade(brand)name 3M Automix polyolefine tackifier (3MAutomix Polyolefin Adhesion Promoter) (production code member 5907) and 3M automobile.
When using solvent-borne type tackifier (for example 5907 and 06396 tackifier), prepare repair laminate by solvent being applied to supporting backing one side (for example, the smooth side of TPO).The supporting backing side that has applied solvent is contacted with PSA, and can exert pressure.Make solvent seasoning, thereby TPO is bonded to PSA.
During tackifier outside using the solvent-borne type tackifier, tackifier can be applied on the supporting backing (for example smooth side of TPO), and can exert pressure.Tackifier can be applied as polymerizable liquid, and it be solidified, as U.S.6 by electron beam irradiation, 287,685 (Jansen people such as (Janssen)) and European patent No.384, described in 598 (Johnson people such as (Johnson)), its disclosure is incorporated this paper into way of reference.This radiation meeting causes two monomer polymerizations in the tackifier, and this polymerization makes tackifier engage with the supporting backing.
For further specifying the purposes of the embodiment of the invention,, provide these examples only presented for purposes of illustration with the limiting examples of the specific embodiment of the invention is discussed in conjunction with comparison hereinafter.Unless indicate in addition, otherwise in discussion to example and comparison, mentioned all umbers, per-cent and ratio are all by weight, and all reagent that use in example and the comparison all derive from (maybe can derive from) general chemistry product supplier such as Sigma aldrich chemical company (St. Louis, the Missouri State), perhaps can be synthetic by routine techniques.
Example 1
The following material that uses in the example can be commercially available from 3M company (Sao Paulo, the Minnesota State) with following trade(brand)name:
" 3M versatile adhesive sanitising agent (3M General Purpose Adhesive Cleaner), production code member 08984 ";
" 3M automobile tackifier (3M Automotive Adhesion Promoter), production code member 06396 ";
" 3M EZ repairs flexible sticking patch (3M EZ Fix Flexible Patch), production code member 05888 ".
Use the plating mild steel sheet of universal cleaning agent wiping 1 inch * 2 inches * 13 mils (2.5 * 5.1 centimetres of (cm) * 0.33 millimeter (mm)).Tackifier are applied to two surfaces of tinsel, and make it following dry 5 minutes at 20 ℃.Equally, by cleaning and apply tackifier, prepare to be used for the 2004 Chevrolet Mali cloth automobile rear bumper interior segments of repair tab.
(on 2.5 * 7.6cm) the flexible repaired patches 1 inch * 2 inches (2.5 * 5.1cm) liner fragments are added mark, remove then to expose the adhesive face of sticking patch with 1 inch * 3 inches.Then repaired patch is flushed a surface that is applied to tinsel.Second repaired patch is applied in a similar manner the apparent surface of tinsel.
Two repaired patch trim plates that extend beyond the tinsel surface are manually bent outwardly to 90 ° of angles, to form the pair of flanges that flushes with the tinsel edge.The rest part of liner is removed to form three-dimensional repair tab from flange.Repair tab is pressed on the interior segments of previous ready rear bumper.
Use enough power manually to pull repair tab then,, but do not separate with the gross distortion of formation collision bumper.
Example 2
Method according to example 1 general introduction is prepared three-dimensional repair tab, wherein drills the hole of 5/16 inch (7.94mm) at the center of repair tab.Equally, use enough power to pull with after the distortion that forms collision bumper, repair tab still keeps secure bond.

Claims (15)

1. repair laminate comprises:
Pressure sensitive adhesive layer with two apparent surfaces;
Be bonded to the polymeric support backing of the first surface of described pressure sensitive adhesive, the thickness of described supporting backing is at least 0.75 millimeter; And
Be bonded to the rigidity back-up coat of a part of the second surface of described pressure sensitive adhesive layer.
2. repair laminate according to claim 1, wherein said supporting backing has at least 50% elongation at break according to ASTM D-412.
3. repair laminate according to claim 1, wherein said supporting backing has at least 100% elongation at break according to ASTM D-412.
4. repair laminate according to claim 1, wherein said supporting backing has at least 200% elongation at break according to ASTM D-412.
5. repair laminate according to claim 1, wherein said pressure sensitive adhesive comprises foam.
6. repair laminate according to claim 5, wherein said pressure sensitive adhesive comprise the binder layer on the opposite side of the centronucleus that is positioned at rubber or polymeric material.
7. repair laminate according to claim 1, wherein said pressure sensitive adhesive also comprises microstructured surface.
8. repair laminate according to claim 1, wherein said supporting backing are successive TPO sheet.
9. repair laminate according to claim 1 wherein uses tackifier that described pressure sensitive adhesive further is bonded to described supporting backing.
10. repair laminate according to claim 9, wherein said tackifier are the solvent-borne type tackifier.
11. repair laminate according to claim 9, wherein said tackifier apply as polymerizable liquid.
12. repair laminate according to claim 1, wherein said rigidity back-up coat comprises metal.
13. repair laminate according to claim 1, wherein said laminated thing is used to form wire harness.
14. repair laminate according to claim 1, wherein said laminated thing is used to form carriage.
15. repair laminate according to claim 1, wherein said laminated thing is used to form the battery Abdeckteil.
CNA2007800159482A 2006-05-02 2007-04-19 Repair laminate for mounting brackets and method of using the same Pending CN101437913A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/381,337 US20070259171A1 (en) 2006-05-02 2006-05-02 Repair laminate for mounting brackets and method of using the same
US11/381,337 2006-05-02

Publications (1)

Publication Number Publication Date
CN101437913A true CN101437913A (en) 2009-05-20

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EP (1) EP2013304A2 (en)
KR (1) KR20090005129A (en)
CN (1) CN101437913A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102618184A (en) * 2011-01-27 2012-08-01 日东电工株式会社 Laminate for nonaqueous battery
CN107787273A (en) * 2015-06-30 2018-03-09 肖特兄弟公司 Repair member including chamfering support and the chamfering bracket component for reinforcing the damaged structure element made of composite

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102618184A (en) * 2011-01-27 2012-08-01 日东电工株式会社 Laminate for nonaqueous battery
CN107787273A (en) * 2015-06-30 2018-03-09 肖特兄弟公司 Repair member including chamfering support and the chamfering bracket component for reinforcing the damaged structure element made of composite
US10843421B2 (en) 2015-06-30 2020-11-24 Short Brothers Plc Repair including a chamfered bracket and a chamfered bracket component for reinforcing a damaged structural element made from composite materials
CN107787273B (en) * 2015-06-30 2020-12-08 肖特兄弟公司 Repair part comprising a chamfered bracket and chamfered bracket component for reinforcing a damaged structural element made of composite material
CN112706415A (en) * 2015-06-30 2021-04-27 肖特兄弟公司 Repair part comprising a chamfered bracket and chamfered bracket component for reinforcing a damaged structural element made of composite material

Also Published As

Publication number Publication date
EP2013304A2 (en) 2009-01-14
KR20090005129A (en) 2009-01-12

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