CN101253228A - Hand-mouldable material - Google Patents
Hand-mouldable material Download PDFInfo
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- CN101253228A CN101253228A CNA2006800277395A CN200680027739A CN101253228A CN 101253228 A CN101253228 A CN 101253228A CN A2006800277395 A CNA2006800277395 A CN A2006800277395A CN 200680027739 A CN200680027739 A CN 200680027739A CN 101253228 A CN101253228 A CN 101253228A
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Abstract
A method of providing a self-adhesive mouldable pad comprises mixing: a) a first component comprising room temperature vulcanising silicone composition; and b) a second component, one of the first and second components comprising a moist, powdered filler, and the other of the first and second components comprising a hydrolysable cross-linking agent, to produce a self-adhesive RTV silicone elastomer composition, applying the RTV moisture cure silicone elastomer composition to a substrate, and moulding it by hand to form a pad.
Description
The invention provides a kind of autoadhesion silicone elastomer composition that uses hand-mouldable, on the outer surface of a variety of products, equipment and machine, to form liner, cushion plate or to grip the method that strengthens the zone, the autoadhesion silicone elastomer composition of described hand-mouldable is easy to solidify, and can easily be molded into multiple widely shape by the user.
The RTV of hand-mouldable (room temperature vulcanizing) silicone composition is well known in the art (US3943091; GB2403723), the composition that and typically comprises two parts of condensations or addition curing.Mainly this type composition is designed for the application of mould preparation in the past, in this applications, elastomerics is molded in the substrate, when curing, be removed then, to be provided for the mould that substrate is duplicated to form the foundry goods of object.Such composition is used for for example following the application: be shaped fast; Sculpture, collectibles, jewelry, candle shape thing (candle) and artifactitious duplicating; Be used for the manufacturing of the silicone rubber pad of transfer printing; And architecture construction.In all these were used, the ability that the solidified silicone elastomer is totally peeled off from the substrate was vital, thereby said composition should be unbonded.
Exist many situations to be: if can be easily add the cushion plate of (randomly) permanent, durable and waterproof in product and equipment, then the product of all kinds and equipment can improve for individual user's concrete needs.The reason that adds this cushion plate can be for example to form protective layer in vice, suppress noise and vibration, increase surface grip, or forms waterproof, the flexible sealing is arranged.The cushion plate that increases can also add that liner increases security by the sharp keen or dangerous parts that make product, equipment and machine, maybe can be used from impaired vision person's the marker or the effect of sensory element.Existing many situations is: the product of purchase has and has added pad or buffered zone, and the customization liner fracture of these moulding in advance or lose.Change such customization liner and be not easy, so the present invention gives the user a kind of approach easily and easily, on their product, form autoadhesion liner and cushion plate when needing.Crucial benefit is that liner and cushion plate can form arbitrary shape and size as required.
The contriver has been found that also now can be used to the elastomerics of autoadhesion, hand-mouldable produce composition, and said composition can prepare multiple variant production by user's mold pressing.The present invention is based on two parts of RTV silicone compositions.This type composition is well-known in the art.In case mix fully, just this composite mold can be pressed to 3D shape arbitrarily, maybe can be embossed in around other the three-dimensional body so that their adaptations or change them.In case reach the shape that needs, composition just will during curing keep its shape and not have slippage or flow, and even for the very thick profile more than the 20cm, also can realize fully and the curing of link up (consistent).
US4696842 has described the use of the polymeric material sheet of the customizable handle that is used to prepare sports requsites, hand-operated tools etc.Yet this sheet is a for example styrene butadiene rubbers of urethane or multipolymer, but not the siloxanes that uses among the present invention, and solidifies with different approach.
US5155878 provides the material a kind of and materials similar described in the US4696842, and difference is that it is to be designed for to allow this handle of mold pressing again to adapt to the double-layer structural of multiple Different Individual.Be not proposed to be used in the concrete material of the such handle of preparation.
US2002010251 has described the use of silicone composition, and described silicone composition comprises: be 25mPa.s to 1 (A) 25 ℃ viscosity, and 000,000mPa.s and by hydroxy-end capped organopolysiloxane; (B) condensation product of hydrolyzable silane or its partial hydrolysis; (C) median size is the following wet aqueous silicon-dioxide of 100 μ m, and it is the main source that is used for the water of condensation cured reaction.Yet this is mainly used in seal gum and uses.
But WO9409666, US5555584, US3968577, US5733647, US4128951, US4413429 and US4433494 have described customization liner, cushion plate and upholder that use shaped resilient body material manufacturing is mainly used in footwear.Disclosed formable material is contained among the sealing bag in these documents, is shaped by the user when needed, uses microwave or convection type heating oven to carry out hot setting then.
US3895405 provides a kind of shapable footwear shoe-pad, and the described footwear shoe-pad that is shaped uses heating oven or heating gun to heat in footwear, is formed when needed by the user, and solidifies when cooling.
US3630289 provides a kind of method to the horse shod, but wherein the composition of shapable polymerized at room temperature is used for the hoof pad that between frog cutin wall (the frog and horn wall) and horseshoe (horse shoe) preparation provides buffering and damping effect.Then between hoof and shoes with this hoof pad stickfast.Desired polymkeric substance comprises polysiloxane, polythiol and polyethers.The polymkeric substance that is used for this purpose should not be an autoadhesion, because they should be adhered on the surface of hoof.
US5266978, US4897237 and US4204750 have described the method for making the customization liner on the glasses.In each of these situations, all used the technology of complicated casting and mold pressing, and used independent bonded assemblies that the custom mold pressure pad is adhered on the glasses.US5266978 has described the use of siloxanes in making this pad, but needs application tackiness agent and undercoat that this pad is adhered on the glasses.
Thereby, the invention reside in a kind of method that the moldable pad of autoadhesion is provided, described method comprises mixing:
A) first component contains the room temperature vulcanizing silicone composition; With
B) second component, a kind of in first and second components comprises wet fleut, and the another kind in first and second components comprises hydrolyzable linking agent, to prepare autoadhesion RTV silicone elastomer composition; This RTV silicone elastomer composition is applied to substrate; And, make its form pad with the fingerprint pressure.
The present invention is further specified by accompanying drawing, wherein:
Fig. 1 shows foot of ladder, and the pad that the original pad on one of described foot of ladder has been used the present composition replaces;
Fig. 2 is presented at its bottom and has the notebook computer as two pads of upholder that is formed by the present composition; With
Fig. 3 is presented at the vice that has two pads that formed by the present composition on its gripping surface.
Can and use possible the theme (idea) of this material to be packaged together in the two packaged bodies with the operation instruction of the component used in the present invention and companion, portion comprises the first component, and another part comprises second component.
A benefit of the present invention is that the consumer can customize and improve their product and equipment easily widely, and not need any instrument or equipment, power supply, high temperature or solvent. In fact only the finger that needs composition of the present invention and user.
Another benefit of the present invention is that composition is autoadhesion. It will be for good and all, and (unless on purpose cutting off) is adhered in the widely substrate, includes but not limited to timber, metal, glass, pottery and plastics.
Another benefit of the present invention is that the consumer can remove (removing by simple excision and sled) and/or change the customization (customisation) that they have made in the situation of not destroying original surface.
Said composition is (comfortable) that suits under the temperature of wide region.It can at room temperature be shaped and solidify, and can be used to customize the product/equipment that is used for very hot and perishing environment, and does not have any change of state.
Further benefit of the present invention is that said composition is a heatproof.In order to protect and safety, the user can easily be applied in it on the surface that becomes very hot, and for example equipment and machine are on cooking equipment or automobile exhaust pipe.Under perishing condition, the benefit that the heatproof person's character of the present composition becomes provides the workability of improvement equipment under these conditions-for example to the user, and by being applied on the metal tools, they can more cosily use under the situation of gloves not having.
These benefits by design comprise autoadhesion, two parts of elastomeric wrapping bodies of room temperature vulcanizing are achieved.These elastomeric two components are by convenient and easily mix, and are pressed into the shape of any needs with fingerprint, and are adhered to substrate widely for example on timber, metal, glass, pottery and the plastics with uncured form.In case mold pressing, elastomerics will during curing accurately keep their shape and not subside or flow, and provide at room temperature rapid and coherent deep to solidify the curing elastomerics of (deep section cure), such curing elastomerics is the non-sticky elastomer material with excellent tactility.
Wrapping body of the present invention has utilized two parts of self-vulcanizing silicone elastomers of autoadhesion.All prescription (formulation) comprises hydroxy-end capped organopolysiloxane, three or four functional hydrolyzable silane linking agent and one or more fillers, the optional water that comprises, in described hydrolyzable silane linking agent, described functional group is selected from the group of being made up of alkoxyl group, alkenyloxy, ketoxime base and acyloxy base.Prescription can be chosen the component that comprises other wantonly, for example, curing catalysts, the end capped organopolysiloxane of trimethyl silyl, adhesion promotor, functional additive be pigment, heat or conductivity filler, perfume compound etc. for example, and described pigment comprises environment sensitive pigment for example thermochromism or pH-sensitive dye.These components can be packed with many alterative version, with to using two parts of systems to facilitate.
In a screening formulation, first component comprises curing catalysts and one or more optional fillers that comprises at least 5 weight % water of hydroxy-end capped organopolysiloxane, significant quantity.Second component comprises hydroxy-end capped organopolysiloxane and hydrolyzable linking agent.This second component can also be chosen wantonly and contain adhesion promotor, the end capped organopolysiloxane of trimethyl silyl and/or other must be the exsiccant filler.Must be contained at any aqueous additives under the condition of first component, in arbitrary component, can comprise other additive.
In an alternative prescription, first component comprises hydroxy-end capped organopolysiloxane and one or more optional fillers that comprises at least 5 weight % water.Second component comprises the curing catalysts and the hydrolyzable linking agent of significant quantity.This second component can also be chosen wantonly and contain adhesion promotor, the end capped organopolysiloxane of trimethyl silyl and/or other must the exsiccant filler.Must be contained at any aqueous additives under the condition of first component, in arbitrary component, can comprise other additive.
In another prescription, first component comprises hydroxy-end capped organopolysiloxane and one or more optional fillers that comprises at least 5 weight % water, and second component comprises hydrolyzable linking agent simultaneously.This second component can also be chosen the end capped organopolysiloxane of condensation catalyst, adhesion promotor, trimethyl silyl that contains significant quantity wantonly and/or other must be the exsiccant filler.Must be contained at any aqueous additives under the condition of first component, in arbitrary component, can comprise other additive.
Another the prescription in, first component comprise hydroxy-end capped organopolysiloxane, hydrolyzable linking agent, adhesion promotor and choose any one kind of them or multiple must be the exsiccant filler.Second component comprises one or more fillers that contains at least 5 weight % water.Can choose wantonly these fillers dispersed in the end capped organopolysiloxane of trimethyl silyl, to be easy to processing.Must be contained in second component with any aqueous additives is condition, can comprise other additive in arbitrary component.In this prescription, first component must be packaged in the sealed vessel, to prevent too early solidifying of material.In this prescription, the filler in second component must contain at least 5% water, solidifies with the rapid deep that guarantees material.
Organopolysiloxane preferably comprises general formula HO-(R
1R
2SiO)
nThe material of-H, wherein, R
1And R
2Be monovalence alkyl, for example alkyl of 1 to 8 carbon atom arbitrarily; Monokaryon aryl, for example phenyl, aminomethyl phenyl; Cycloalkyl, for example cyclohexyl; And/or halo monovalence alkyl, for example 3,3, the 3-trifluoro propyl; And n be make polymkeric substance when 25 ℃ viscosity at 25mPa.s to 1,000, the numeral in the 000mPa.s scope.
Hydrolyzable linking agent preferably comprises general formula R
nSiX
(4-n)Hydrolyzable silane or its partial hydrolysis-condensation product, wherein, R represents to have the monovalence alkyl of 1 to 12 carbon atom; X represents ketoxime base, alkoxyl group, alkenyloxy or acyloxy; And n represents 0,1 or 2.Example includes but not limited to: the hydrolyzable silane with ketoxime base, for example dimethyl two (Diacetylmonoxime) silane, methyl three (Diacetylmonoxime) silane, vinyl three (Diacetylmonoxime) silane, phenyl three (Diacetylmonoxime) silane, propyl group three (Diacetylmonoxime) silane, four (Diacetylmonoxime) silane, 3,3,3-trifluoro propyl-three (Diacetylmonoxime) silane, 3-chloropropyl three (Diacetylmonoxime) silane, methyl three (acetoxime) silane, methyl three (pentanone oxime) silane, methyl three (isoamyl ketoxime) silane, vinyl three (cyclopentanone oxime) silane and methyl three (cyclohexanone-oxime) silane; Hydrolyzable silane with alkoxyl group, for example dimethyldimethoxysil,ne, methyltrimethoxy silane, vinyltrimethoxy silane, phenyltrimethoxysila,e, Union carbide A-162, tetramethoxy-silicane and tetraethoxysilane; Hydrolyzable silane with alkenyloxy, for example, vinyl three propenyloxy group silane and phenyl three propenyloxy group silane; And the hydrolyzable silane with acyloxy, for example methyl triacetoxysilane, ethyl triacetoxysilane, phenyl triacetoxysilane, vinyltriacetoxy silane and tetrem acyloxy silane.
Curing catalysts can be selected from the selection of wide region, these selections comprise organoalkoxysilane that the organometallic compound known in this area, aminoalkyl group replace, amine compound, amine compound salt, quaternary ammonium salt, basic metal lower aliphatic hydrochlorate, dialkyl group oxyamine, contain the silane of guanidine radicals or contain the siloxanes of guanidine radicals.
Adhesion promotor can be the compound that comprises at least one alkoxysilyl, amino, epoxy group(ing), hydrogenation silyl, acrylic or hydroxyl silyl, or the mixture of these compounds.Preferred promotor comprises Trimethoxy silane, for example 3-methacryloxypropyl trimethoxy silane, 3-glycidoxypropyltrimewasxysilane, TSL 8330 and alkyl or aryl Trimethoxy silane.
Filler can comprise non-reinforcing filler, for example talcum, lime carbonate, wood powder, flour, or the increment filler for example precipitates or pyrogenic silica, or carbon black.More specifically, the example of such filler comprises: lime carbonate (for example, dry ground level lime carbonate, wet pulverization level lime carbonate, selected level lime carbonate, precipitation level lime carbonate, surface treatment level lime carbonate); Kaolin and other clay-Ji mineral (for example, moisture heats up in a steamer a grade clay, selection by winnowing clay, laminated clay, calcined clay, surface treatment clay); Talcum (for example, dry ground talcum, selected pulverizing talcum, calcination of talc, surface treatment talcum); Quartz and silicon-dioxide, comprise that native silicon dioxide (for example, crystalline silica, fused silica, microcrystalline silica, crystallite novaculite, diatomite silicon dioxide, perlite) or synthetic silica (such as, pyrogenic silica, precipitated silica); Mica (comprise, pulverize level mica, white level mica, surface modification level mica, metal coated mica level); Metal oxide and other compound (for example, titanium dioxide, hibbsite, wollastonite, barium sulfate, weisspiessglanz, magnesium hydroxide, calcium sulfate, anhydrous calciumsulphate, calcium sulphate dihydrate, feldspar and nepheline syenite); Microballoon, solid microsphere, tiny balloon (for example, applied tiny balloon filler, metallic aluminium microballoon, argent microballoon, magnetisable microballoon, hydridization complex microsphere filler, mini-microballoon, the gas micro of sealing polymkeric substance); Synthetic silicate (for example, pure aluminium silicate, mullite, sillimanite, kyanite, andaluzite, synthetic alkali metal aluminosilicate, Calucium Silicate powder, zirconium silicate); Carbon black (for example, furnace treated black filler, thermal black filler); Organic filler (for example, bagasse filler, Exocarpium cocois (Cocos nucifera L)/fibrous packing, cork filler, corn ear filler, cotton-based filler, gilsonite filler, nutshell powder filler, rice husk filler, sisal hemp/hemp-jointing, soybean filler, starch filler, wood powder); Glass, metal, and solid polymer arbitrarily.
Filler can also comprise: functional additive is pigment for example, comprises environment sensitive pigment for example thermochromism or pH-sensitive dye; Filled insulation; Perhaps heat or conductivity filler.Wet filler must have the remaining water capacity that is no less than 1%, preferably is no less than 5 weight %.Maximum water capacity to filler is not specifically limited; Yet this maximum water capacity is not more than 25 weight % usually usually.Water capacity is 5 weight % to 15 weight % more preferably.In texture and the surface characteristic that needs change, for example under the situation of the variation of realization increase " gripping " or " not sliding " or aesthetics, can loose powder/particle be supplied with and it is pressed on the surface by the user.Same target for this reason can be supplied with surface mold and it is pressed on the surface by the user, so that texture highlights or to product branding (brand).
These prescriptions provide mold pressing easily, at room temperature in the deep rapidly and the solidified autoadhesion elastomerics of linking up.Known have similar prescription in technology (US2002010251, US 5346940), but they mainly are designed for industrial application, for example forms packing ring or as seal gum or coating material.They never are used for the application of the present invention imagination, or in human consumer's environment by the non-specialised staff easily, safety and use easily and be designed and pack.
Can the silicone elastomer of two parts of room temperature vulcanizings of autoadhesion be packed and send and pass the human consumer with direct and user-friendly approach.In the simplest form, two kinds of components can be supplied with in simple resealable container for example in the screw top jar.The user is appropriate amount, for example equates or two kinds of components of approximately equal amount mix simply, mediates guaranteeing with hand and mixes fully, is molded into the shape of required application then.Randomly, make two kinds of components painted, determine when realized mixing fully to help the user with different pigment.Alternatively, these two kinds of components can be packaged in advance through in the parts of measuring, for example in the blister pack body (blister pack), to simplify measurement to the correct dose of each component.Two kinds of components can also be packaged in the pipe, for example be used for the pipe of seal gum or be similar to the extruded pipe of dentifrice tube the typical case.A kind of packing in this back is special needs for the above-mentioned alternative prescription that first component must be stored in the sealed vessel.Can also with component with the packaged of sheet in laminate layers, or be packaged in the concentric layer, the user can downcut suitable part and mediate with hand, to form curable elastomerics.
Set time and solidified continuity the be not molded size of object or the influence of thickness.For example, prepared the object of cross section up to 170mm, and its in the time identical with the much smaller object of cross section fully and link up and solidify.In principle, can prepare the object of arbitrary dimension, and not damage curing speed or continuity.
The simple operation of these compositions and they are adhered to the ability of many substrates and have opened the present invention's application very widely in human consumer and industrial market.The terminal user can use said composition to make their indivedual and concrete needs of existing product adaptation and currently available products changed, or makes new product.For example, pad can be mat insulation, anti-vibration pad, impairment wound pad, non-sliding mats, anti-scratch pad, noise abatement sound pad, non-sliding mats or grip the enhancing pad.The present invention can be used for the application such as (but being not limited to) following scope:
1. crust is limbered up, cause injury another surface to prevent it
(for example, the end of bicycle frame, ladder, furniture end etc.)
2. the surface of cover heating for safety
(for example, on the pipe of motorcycle exhaust pipe or other heat)
3. crust is limbered up
4. absorbing vibration and noise
The pad of the doorjamb inside of slamming door (slamming door) (for example)
5. for comfortable and crust is limbered up
More specifically, said composition can be used for:
Customization and personalized object, for example, instrument and handle made more comfortable/be easy to assurance/unique; It is individual to be fit to that object is shaped; Make object bigger to install.
Handle and upholder are provided, for example, it are formed on around the water tap, so that they are easier to rotate; It is formed on the arbitrary objects, with on the sports equipment, on pedal and machine, and the zone that on floor and wet zone, provides comfortable and be easy to grip.
Repair and the change object, for example, urgent leak repair, the repairing of waterproof sealing is provided, as filler, as the gap filler that is used for nuisance control, as tackiness agent, replace the disappearance parts.
Protection is provided, for example, makes the softening and buffering in edge, turning and surface; Make rope/band buffering; Make wire insulation; Make furniture terminal horizontal and softness; Suppress noise; The object of isolated heating.
The for example physical label thing on rope, cable and pipe is provided, or the person's that is used for the impaired vision sense of touch marker.
As manufactured materials, for example be used to make useful object: for example manufacture be fit to parts or family expenses project, as children's play material, dress ornament and mask, furniture, artwork and artwork and hobby material, and be used to make the pencil eraser.
As the tackiness agent that object is bonded together, at this, the support that it will provide also is a benefit.
Particularly, advantageous applications of the present invention comprises said composition is applied to those application into following substrate: family, office or school's furniture; Household electrical appliance; Ladder; Wall after open doors; Walk helper; Roof or bicycle frame; Anchor clamps or vice; The end of footwear or heel.
For example, under the situation of furniture, furniture has leg herein, can form (or application) pad on the end of this leg, to prevent to damage the surface that it is relied on.Similarly, can on the end of ladder, form (or use) pad,, or improve its holding this surface with the infringement on the surface avoiding this ladder is relied on.Can on the end of walk helper, form pad, with the infringement on the surface that prevents from it is used in the above.
Under the situation of wall, can on wall, form pad, be subjected to open regularly the infringement of door to prevent it.Under the situation of vehicle roof rack or bicycle frame, can on hard assembly, form pad, to prevent damage to the object of automobile or its carrying.
Under the situation of anchor clamps and vice, can be at the inner pad that forms of clamping surface, to prevent infringement to held object.On the hard end or heel of footwear, can form pad, with the protection floor.
Other special advantageous applications of the present invention comprises said composition is applied to those application into following substrate: the Motor vehicles vapor pipe; The pipe of carrying hot liquid; Hot water tank or boiler; Scatterer; Water tap; Tea and coffee pot; Engine/machine part of giving prominence on the vehicle; Rigging on the ship, sharp keen projecting part; Low beam, rod or pillar; Skirting board; Bath; Wash basin.
Under the situation of pipe, hot water tank, boiler, scatterer or water tap of vapor pipe, carrying hot liquid, can be in order to insulate and purpose of safety and form pad on the outer surface.
Under the situation of tea and coffee pot, can on bottom outer surface, form pad, to prevent from it is relied on the infringement on surface thereon.
Engine or the machine part on vehicle, given prominence to, and under the situation of rigging on the ship or sharp keen projecting part, can on these parts, form pad, with the injury of minimizing when impacting, and the obstruction (snagging) of minimizing sail and other parts.
Similarly, in buildings, under the situation of low beam or horizontal strut, can on this beam or pillar, form pad, to reduce the injury when impacting.For identical reason, can on skirting board, bathtub and basin, form pad.
Other special advantageous applications of the present invention comprises composition is applied to those application into following substrate: door; Loud speaker or other audio-frequency apparatus; Gun stock; Toilet seat and lid; Clothes hanger; Cutting plate or cut plate below; Below carpet or the car mat; Computer equipment; The pedal of bike or perambulator; Bathroom or shower room.
Under the situation of door, can be between door and doorjamb application pad, to prevent noisy slamming.For identical reason, can on toilet seat and lid, form pad.
Under the situation of loud speaker or other audio-frequency apparatus, can form pad, to absorb vibration.Similarly, under the situation of gun stock, can form pad, impact to absorb.
At cutting plate, cut plate, carpet and pad, and under the situation of computer equipment, can form pad below, on the surface of its dependence, slide easily and move to prevent their.
Under the situation of clothes hanger, can form pad from the teeth outwards, be easy to landing to prevent clothes.
Under the situation of bike or perambulator pedal, can form pad to increase user's pin holding to pedal.Similarly, under the situation of bathroom and shower room, can form pad increasing the user, and base oneself upon part for the user provides to the holding of surface.
Other special advantageous applications of the present invention comprises said composition is applied to those application into following substrate: artificial limb (prosthetics); Furniture; Bicycle saddle; The hard seat position; Footwear; Need to peg the wall of object on it.
Under the situation of artificial limb, can be in order to increase the comfortable of user on the surface of the joint of limbs and artificial limb, form pad.Similarly, on hard seat position or bicycle saddle, can form pad, to increase buffering and comfortable.
Under the situation of footwear, can on the internal surface of footwear, form pad, to increase support, absorption of vibrations and comfortable.
Need thereon to peg under the situation of wall of object, can directly on wall, form pad, thereby can easily nail on notice or display material.
By following non-limiting examples, further specify and be used for preparation of compositions of the present invention.
Embodiment
The step of following examples 1-7 is as follows:
The powdered mixture (b part) that will contain filler and optional pigment carries out pre-mixing with the dry powder form.The siloxane polymer of weighing then, and with hand it is mediated and to reach about 3 minutes in the powdered mixture, with the mixture (compound) that forms unanimity (consistent), it is exsiccant that this mixture is felt, and no longer includes viscosity.Then this mixture is formed the shape that needs application, and make its curing.When the polymkeric substance that is shaped no longer can reshape, and when reaching consistent hardness, think to solidify and finish.
Embodiment 1
(a): polymkeric substance: the siloxanes seal gum of the OEM framework of Travis-Kieren Perkins trade mark (Travis Perkins Branded OEM Frame Silicone Sealant)
(b): filler: the mixture of flour (the about 11 weight % of water capacity) and wood powder (the about 6 weight % of water capacity), both ratios are 55 weight % flours/45 weight % wood powders
Polymkeric substance: the ratio of filler: 55% weight: 45 weight %
In following examples, use identical flour and wood powder.
After mixing, the elastomerics mold pressing is become ball, and make its curing.After 3 hours, the elastomerics completely solidified.Find that this prescription provides material character, i.e. superficial makings, all material texture, weather resistance/anti-tearing property and to the best qualitative balance of the adherent of other material.The size-grade distribution of filler is shown in the table 1.
Table 1
| Granularity (micron) | Example weight (%) |
| ＜038 | ?03 |
| 038-053 | ?11 |
| 053-075 | ?05 |
| 075-106 | ?11 |
| 106-125 | ?17 |
| 125-212 | ?22 |
| 212-300 | ?14 |
| 300-425 | ?06 |
| 425-500 | ?06 |
| 500-600 | ?02 |
| 600-710 | ?01 |
| 710-850 | ?01 |
| 850-1000 | ?01 |
Embodiment 2
(a): polymkeric substance: the siloxanes seal gum of the OEM framework of Travis-Kieren Perkins trade mark
(b): filler: flour
Polymkeric substance: the ratio of filler: 55% weight: 45 weight %
After mixing, the elastomerics mold pressing is become ball, and make its curing.After 3 hours, the elastomerics completely solidified.Find that this prescription provides best qualitative performance to superficial makings and all material texture.The size-grade distribution of filler is shown in the table 2.
Table 2
| Granularity (micron) | Example weight (%) |
| ?＜038 | ?05 |
| ?038-053 | ?04 |
| ?053-075 | ?05 |
| ?075-106 | ?27 |
| ?106-125 | ?34 |
| ?125-212 | ?23 |
| ?212-300 | ?01 |
| ?300-425 | ?00.5 |
| ?425-500 | ?00.5 |
Embodiment 3
(a): polymkeric substance: the siloxanes seal gum of the OEM framework of Travis-Kieren Perkins trade mark
(b): filler: the mixture of flour and wood powder, ratio are 55 weight % flours/45 weight % wood powders
Polymkeric substance: the ratio of filler: 55% weight: 45 weight %
After mixing, the elastomerics mold pressing is become ball, and make its curing.After 3 hours, the elastomerics completely solidified.Find that this prescription provides best qualitative performance to weather resistance and anti-tearing property.The size-grade distribution of filler is shown in the table 3.
Table 3
| Granularity (micron) | Example weight (%) |
| ?＜038 | ?03 |
| ?038-053 | ?11 |
| ?053-075 | ?05 |
| ?075-106 | ?11 |
| ?106-125 | ?17 |
| ?125-212 | ?22 |
| ?212-300 | ?14 |
| ?300-425 | ?06 |
| ?425-500 | ?06 |
| ?500-600 | ?02 |
| ?600-710 | ?01 |
| ?710-850 | ?01 |
| ?850-1000 | ?01 |
Embodiment 4
(a): polymkeric substance: the siloxanes seal gum of the OEM framework of Travis-Kieren Perkins trade mark
(b): filler: the mixture of flour and wood powder, ratio are 75 weight % flours/25 weight % wood powders
Polymkeric substance: the ratio of filler: 55% weight: 45 weight %
After mixing, the elastomerics mold pressing is become ball, and make its curing.After 3 hours, this elastomerics completely solidified.Find that this prescription is to providing best qualitative performance with other material bonding.The size-grade distribution of filler is shown in the table 4.
Table 4
| Granularity (micron) | Example weight (%) |
| ?＜038 | ?03 |
| ?038-053 | ?05 |
| ?053-075 | ?07 |
| ?075-106 | ?26 |
| ?106-125 | ?10 |
| ?125-212 | ?30 |
| ?212-300 | ?07 |
| ?300-425 | ?05 |
| ?425-500 | ?02 |
| ?500-600 | ?02 |
| ?600-710 | ?01 |
| ?710-850 | ?01 |
| ?850-1000 | ?01 |
Embodiment 5
(a): polymkeric substance: the acetoxyl group seal gum of the general purpose of Everflex (Everflex GeneralPurpose Acetoxy Sealent)
(b): filler: flour
Polymkeric substance: the ratio of filler: 50% weight: 50 weight %
After mixing, the elastomerics mold pressing is become ball, and make its curing.This elastomerics is than the rapider curing of the elastomerics described in the embodiment 1-4, and the shape of molded ball is fixing after about 10 minutes, and after 40 minutes completely solidified.
Embodiment 6
This embodiment has proved the influence of the water capacity of filler to curing performance.
(a): polymkeric substance: the siloxanes seal gum of the OEM framework of Travis-Kieren Perkins trade mark
(b): filler: flour
Polymkeric substance: the ratio of filler: 50% weight: 50 weight %
With flour particle in 170 ℃ baking oven dry 3 times, and each 2 hours.
Prepare two kinds of same mixtures; Composition A uses the exsiccant filler, and composition B uses non-exsiccant filler.Each composition that will comprise 15g siloxanes and 15g filler mixed 3 minutes in a similar manner, and made its curing under identical condition.
Find composition A than composition B hard Duo and extend much smaller, and viscosity less/bonding less.It is not sticking that composition A feels, and composition B is slightly sticking, but still be convenient to operation.Composition B is much also level and smooth when being shaped, and the surface of composition A is tending towards cracking when mold pressing.
Table 5 has compared composition A and the character of B when solidifying.
Table 5
| Composition A | Mixed time/minute | Composition B |
| Still extending | 10 | Still extending |
| A little hardening, but still extending | 40 | Become more dried |
| Become more dried, remarkable cracking when operation | 60 | Become more dried |
| Still extending, but cracking is a lot | 120 | When operation, solidify and begin to keep shape |
| Still extending, but cracking is a lot; Can not remove cracking by further operation | 150 | When operation, solidify and begin to keep shape |
| The limited possibility that reshapes; The serious cracking of composition | 180 | Can not reshape |
| Begin to keep shape | 210 | Become harder |
| Keep shape, but do not have completely solidified | 300 | Become harder |
| Keep shape, but do not have completely solidified | 330 | Completely solidified |
| Can not reshape, but not have completely solidified | 360 | Completely solidified |
The effect of dry filler can be summarized as:
1. make prescription more be difficult to be shaped with level and smooth.
2. reduce the binding property of prescription.
3. prolong set time and solidify discontinuous.
Embodiment 7
(a): polymkeric substance: the siloxanes seal gum of the OEM framework of Travis-Kieren Perkins trade mark
(b): filler: flour
Polymkeric substance: the ratio of filler: 50% weight: 50 weight %
When mixing, this composition is divided into two duplicate samples.The diameter of sample 1:3100g and 170mm; The diameter of sample 2:50g and 45mm.
In two kinds of situations, sample is completely solidified in 3.5 hours.After at this moment, two samples are cut in half, and find the entire sample completely solidified.This experiment shows, uses this invention can realize the coherent curing of very dark part.Cross section is shown among Fig. 5.
Embodiment 8
In this embodiment, studied two parts of prescriptions, two kinds of components have the puttylike nian denseness before mixing and solidifying in this prescription.The prescription of described two kinds of components is shown in the table 6:
Table 6
| Component A | B component | |
| Hydroxy-end capped polydimethylsiloxane Sigma aldrich (Sigma Aldrich) 43299-7 viscosity 18,000-22,000cSt (25 ℃) | 6.30g | 6.60g |
| Silicon-dioxide (card Bert (Cabot) TS 530) | 1.26g | 1.9g |
| Talcum (float stone (Pumex), 200 orders) | 9.04g | 17.6g |
| Flour (find pleasure in and purchase (Tesco), do not contain the flour of sour ferment powder) | 1.00g | - |
| Water | 2.99g | - |
| Dibutyl tin dilaurate, 95%.Sigma's aldrich (Sigma Aldrich), catalog number (Cat.No.): 29,123-4. | 0.43g | - |
| The orthosilicic acid orthocarbonate, 95%, Sigma's aldrich (Sigma Aldrich) 23574-1 | - | 2.42g |
| Tetramethoxy-silicane, 98% Sigma's aldrich (SigmaAldrich) 21,847-2 | - | 0.26g |
| Phenyltrimethoxysila,e Fluka, 792 | - | 1.71g |
| TSL 8330 DOW CORNING (Dow Corning) Z-6020 silane, organoalkoxysilane mark mark: 761687 | - | 1.00mL |
| Pigment: LPX cinnabar, Repsil pigment | Trace | - |
Component A is prepared by following method: with water and the pre-blend of filler, then successively with itself and hydroxy-end capped polydimethylsiloxane and catalyzer blend then.Replace at the silane mixture of having used linking agent and adhesion promotor effect making B component (not moisture) with similar method under the situation of catalyzer.Be embossed in together with the component A and the B of hand then equal portions.Within 10 minutes, finish curing, and this material shows excellent bonds to a series of substrates that comprise glass, timber and metal.
Embodiment 9
In this embodiment, with puttylike nian component A and the B component blend that comprises linking agent and curing catalysts.This component prescription is shown in the table 7:
Table 7
| Component A | B component | |
| Hydroxy-end capped polydimethylsiloxane Sigma aldrich (SigmaAldrich) 43299-7 viscosity 18,000-22,000cSt (25 ℃) | 175g | - |
| Silicon-dioxide (card Bert (Cabot) TS610) | 875mL | - |
| The Magsil diamond, 200 orders | 42g | - |
| Water | 11.9g | - |
| Polydimethylsiloxane Fluka, silicone oil DC 200, catalog number (Cat.No.): 85424. | - | 4.77g |
| Dibutyl tin dilaurate, 95%.Sigma's aldrich (SigmaAldrich), catalog number (Cat.No.): 29,123-4. | - | 0.43g |
| The orthosilicic acid orthocarbonate, 95%, Sigma's aldrich (Sigma Aldrich) 23574-1 | - | 2.41g |
| Tetramethoxy-silicane, 98% Sigma's aldrich (SigmaAldrich) 21,847-2 | - | 0.26g |
| Phenyltrimethoxysila,e Fluka, 792 | - | ?1.72g |
| TSL 8330 DOW CORNING (Dow Corning) Z-6020 silane, organoalkoxysilane mark mark: 761687 | - | ?1.00mL |
| Pigment: LPX cinnabar, Repsil pigment | Trace | ?- |
In order to prepare the solidified elastomerics, with 19g component A and 2ml B component, and the TSL 8330 of 1ml (DOW CORNING Z-6020 silane) is mixed.These components were mixed 90 seconds with hand, and observation is solidified then.Under the situation of about 10 minutes sample operation time, the completely solidified of sample needs about 2 hours.The bonding of a series of substrates tested, and observed good bonding glass, metal and timber.Sample has been realized complete and coherent deep curing.
As can be seen from the above embodiments, composition of the present invention has several benefits, is specially:
Elastomerics is easy to mix and mold pressing with hand, therefore can be used and is processed by the human consumer.
Elastomerics adheres to most of substrates.This benefit is produced by the prescription of the seal gum that comprises adhesion promotor, and described adhesion promotor is to design for target substrate that product uses thereon.Although the known silicone composition that has other available fingerprint to press, these mainly are designed for molding (mouldrnaking) and use, and in this was used, the solidified elastomerics was unwanted to the bonding of substrate.
As the result of the water capacity of filler, at room temperature, elastomerics solidifies fast and consistently in the deep.
Claims (13)
1. method that the moldable pad of autoadhesion is provided, described method comprises mixing:
A) first component, it contains the room temperature vulcanizing silicone composition; With
B) second component, a kind of in described first and second components comprises wet fleut, and the another kind in described first and second components comprises hydrolyzable linking agent, to prepare autoadhesion RTV silicone elastomer composition; Described RTV wet solidifying siloxane elastomer composite is applied to substrate; And, make its form pad with the fingerprint pressure.
2. in accordance with the method for claim 1, wherein said wet filler is present in described first component.
3. in accordance with the method for claim 1, wherein said second component comprises described wet filler.
4. in accordance with the method for claim 1, wherein said first component comprises curing catalysts and one or more wet fillers of hydroxy-end capped organopolysiloxane, significant quantity, and described second component comprises hydroxy-end capped organopolysiloxane and hydrolyzable linking agent.
5. in accordance with the method for claim 4, wherein said second component also contains one or more adhesion promotors, and/or the end capped organopolysiloxane of trimethyl silyl, and/or other must be the exsiccant filler.
6. in accordance with the method for claim 1, wherein said first component comprises hydroxy-end capped organopolysiloxane and one or more wet fillers, and described second component comprises the curing catalysts and the hydrolyzable linking agent of significant quantity.
7. in accordance with the method for claim 6, wherein said second component also contains one or more adhesion promotors, and/or the end capped organopolysiloxane of trimethyl silyl, and/or other must be the exsiccant filler.
8. in accordance with the method for claim 1, wherein said first component comprises hydroxy-end capped organopolysiloxane, hydrolyzable linking agent, adhesion promotor and chooses any one kind of them or multiple exsiccant filler, and described second component comprises the filler that one or more contain at least 5 weight % water.
9. according to each described method in the aforementioned claim, wherein said filler comprises the water of 1 to 25 weight %.
10. in accordance with the method for claim 5, wherein said filler comprises the water of 5 to 15 weight %.
11. according to each described method in the aforementioned claim, wherein said filler comprises talcum, lime carbonate, wood powder, flour, precipitation or pyrogenic silica, or carbon black.
12. according to each described method in the aforementioned claim, wherein said pad is mat insulation, anti-vibration pad, impairment wound pad, non-sliding mats, anti-scratch pad, noise abatement sound pad, non-sliding mats or grips the enhancing pad.
13. according to each described method in the aforementioned claim, wherein said substrate is family, office or school's furniture; Household electrical appliance; Ladder; Wall after open doors; Walk helper; Roof or bicycle frame; Anchor clamps or vice; The end of footwear or heel; The Motor vehicles vapor pipe; The pipe of carrying hot liquid; Hot water tank or boiler; Scatterer; Water tap; Tea and coffee pot; Engine/machine part of giving prominence on the vehicle; Rigging on the ship, sharp keen projecting part; Low beam, rod or pillar; Skirting board; Bath; Wash basin; Door; Loud speaker or other audio-frequency apparatus; Gun stock; Toilet seat and lid; Clothes hanger; Cutting plate or cut plate below; Below carpet or the car mat; Computer equipment; The pedal of bike or perambulator; The floor of bathroom or shower room; Artificial limb; Bicycle saddle; The hard seat position; Footwear; Wall.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0510949.1 | 2005-05-27 | ||
| GB0510949A GB0510949D0 (en) | 2005-05-27 | 2005-05-27 | Hand-mouldable self-adhesive silicone elastomers and their uses |
| GB0526179.7 | 2005-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101253228A true CN101253228A (en) | 2008-08-27 |
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ID=34834807
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800277408A Pending CN101248114A (en) | 2005-05-27 | 2006-05-26 | Hand-mouldable material |
| CNA2006800277395A Pending CN101253228A (en) | 2005-05-27 | 2006-05-26 | Hand-mouldable material |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800277408A Pending CN101248114A (en) | 2005-05-27 | 2006-05-26 | Hand-mouldable material |
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| Country | Link |
|---|---|
| CN (2) | CN101248114A (en) |
| GB (1) | GB0510949D0 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837056A (en) * | 2017-11-27 | 2019-06-04 | 辽宁法库陶瓷工程技术研究中心 | A kind of preparation method of the effective Rapid-Repair glue of automobile exhaust |
-
2005
- 2005-05-27 GB GB0510949A patent/GB0510949D0/en not_active Ceased
-
2006
- 2006-05-26 CN CNA2006800277408A patent/CN101248114A/en active Pending
- 2006-05-26 CN CNA2006800277395A patent/CN101253228A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837056A (en) * | 2017-11-27 | 2019-06-04 | 辽宁法库陶瓷工程技术研究中心 | A kind of preparation method of the effective Rapid-Repair glue of automobile exhaust |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0510949D0 (en) | 2005-07-06 |
| CN101248114A (en) | 2008-08-20 |
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