WO2003083006A1 - Partie de fixation d'un element fixe et son procede de fabrication - Google Patents

Partie de fixation d'un element fixe et son procede de fabrication Download PDF

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Publication number
WO2003083006A1
WO2003083006A1 PCT/JP2002/010159 JP0210159W WO03083006A1 WO 2003083006 A1 WO2003083006 A1 WO 2003083006A1 JP 0210159 W JP0210159 W JP 0210159W WO 03083006 A1 WO03083006 A1 WO 03083006A1
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WO
WIPO (PCT)
Prior art keywords
radical
curing agent
curable resin
composition
fixing material
Prior art date
Application number
PCT/JP2002/010159
Other languages
English (en)
Japanese (ja)
Inventor
Shigeo Kimura
Original Assignee
Nihon Decoluxe Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nihon Decoluxe Co., Ltd. filed Critical Nihon Decoluxe Co., Ltd.
Priority to DE10297695T priority Critical patent/DE10297695T5/de
Priority to JP2003580444A priority patent/JP4223407B2/ja
Priority to AU2002335465A priority patent/AU2002335465A1/en
Publication of WO2003083006A1 publication Critical patent/WO2003083006A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08—Members specially adapted to be used in prestressed constructions
    • E04C5/12—Anchoring devices
    • E04C5/127—The tensile members being made of fiber reinforced plastics

Definitions

  • the present invention relates to a fixing element fixing material such as a straight anchor, and more particularly to a fixing element used when retrofitting a fixing element such as a port, a deformed steel bar, an insert metal fitting to a base material such as concrete.
  • the following methods are used to fix fixed elements such as port and deformed steel bars to concrete walls and the like. That is, first, a predetermined hole is drilled in a base material such as a concrete with a drill, a capsule containing an adhesive is inserted into the hole, and then a porto or the like is embedded while rotating while applying a blow with an embedding machine. Both destroy the capsule and cause the adhesive to flow and harden into the hole, thereby securing the porto to the hole.
  • the fixing agent used for fixing such a fixing element is usually constituted by encapsulating a radical-curable resin and a curing agent in a capsule-shaped container made of glass or synthetic resin in a state where they are isolated from each other. .
  • the container When the port is embedded, the container is destroyed, so that the base material of the radical-curable resin and the curing agent are mixed.
  • the container In order to form such a separated state between the resin and the curing agent in the capsule, conventionally, the container has a double structure, the inner container is filled with the curing agent, and the outer container is filled with the curing resin. Some are filled with main ingredients or aggregates. Further, there is a method in which a curing agent is formed into a rod shape or a granular shape, and the molded body is filled in a capsule, and then the capsule is filled with a radical curing resin.
  • the cost of the container and the workability when filling the inner container with the curing agent are poor.
  • the present invention provides a fixing element fixing material capable of eliminating a component unnecessary for fixing a fixing element by providing a novel composite form of a radical-curable resin and a curing agent.
  • Another object of the present invention is to provide a fixing element fixing material that can simplify the manufacturing process of the fixing element fixing agent.
  • the present inventors studied a novel composite form and found that the above-mentioned conventional problems can be solved by using an uncured radical-curable resin as a solid unit having a predetermined shape. Was completed.
  • a hardener phase comprising at least a part of a surface layer side of the core portion and containing a hardener of the radical-curable resin
  • the fixing element fixing material wherein the inner phase of the core portion containing the uncured radical-curable resin has a viscosity of not less than 100 Pa's and not more than 200 Pa's at 20 ° C.
  • a hardener phase comprising at least a part of a surface layer side of the core portion and containing a hardener of the radical-curable resin
  • the fixing element fixing material wherein the inner phase of the core portion containing the uncured radical-curable resin has a thixotropy coefficient of 1.1 or more and 5.0 or less.
  • a curing agent phase which constitutes at least a part of the surface layer side of the core portion and contains a curing agent of the radical-curable resin
  • a dividing portion provided so as to form two or more divided bodies each including the core portion and the curing agent phase
  • a fixing element fixing material comprising:
  • a method comprising:
  • a method comprising:
  • composition has a thixotropic coefficient of 1.1 or more and 5.0 or less
  • FIG. 1 is a view showing an example of the fixing material of the present invention.
  • FIG. 2A is a diagram illustrating an example of a fixing material having a divided portion.
  • FIG. 2 (B) is a diagram showing another example of the fixing material having the divided portions.
  • FIG. 3 is a diagram illustrating an example of a method for manufacturing a fixing material.
  • FIG. 4 is a diagram showing another example of a method for manufacturing a fixing material.
  • the fixing element fixing material of the present invention includes an uncured radical-curable resin, and includes a solid first unit having a predetermined shape. And a second unit containing a curing agent component of the radical-curable resin.
  • the uncured radical-curable resin is provided as a solid first unit having a predetermined shape. For this reason, it is no longer necessary to provide a skin-like container that has conventionally been required to incorporate or enclose this. For example, it is sufficient that the curing agent for the radical-curable resin is attached to the first unit in various forms such as a powder or a solid having a predetermined shape, or a liquid.
  • the form of the fixing element fixing material provides a completely new and innovative method of producing the fixing material.
  • an uncured radical-curable resin is prepared in advance as a solid first unit (also referred to as a core) having a predetermined shape, and various types of curing agents are supplied to the first unit. Only by this, a fixing element fixing material including an uncured radical-curable resin and its curing agent can be configured. In other words, uncured radical-curable resin, which has been an essential process in the past, is The filling step can be completely eliminated. Furthermore, according to this production method, it is possible to provide a variety of fixing materials by giving the first unit a desired shape.
  • the first unit contains a composition containing an uncured radical-curable resin (hereinafter, simply referred to as an uncured resin composition). That is, the first unit uses an uncured radical-curable resin in an effective amount for exhibiting the fixability by a curing reaction when the fixing material is used, for example, an effective amount for fixing an anchor or the like to the fixing hole.
  • an uncured resin composition containing an uncured radical-curable resin
  • the first unit uses an uncured radical-curable resin in an effective amount for exhibiting the fixability by a curing reaction when the fixing material is used, for example, an effective amount for fixing an anchor or the like to the fixing hole.
  • the radical-curable resin include, but are not particularly limited to, an epoxy acrylate resin, a polyester acrylate resin, an acrylic urethane resin, and an unsaturated polyester resin.
  • radical curable resins it is preferable to use an epoxy acrylate resin and / or an unsaturated polyester resin.
  • the radical-curable resin one of the above-described radical-curable resins or a combination of two or more thereof can be used.
  • the uncured resin composition may be used by mixing a reactive monomer in addition to any of these radically curable resins.
  • reactive monomers include styrene monomer, methyl (meth) acrylate, ethyl (meth) acrylate, ethylene glycol dimethacrylate, cyclohexyl phthalate, n-butyl methacrylate, and 2-hydroxyethyl (meth) ) Acrylate, benzyl (meth) acrylate, phenoxyshetyl (meth) acrylate, 1,4-butylene glycol di (meth) acrylate, trimethacrylate trimethylolpropane, dimethyl maleate, dimethyl isopropenyl (meth) acrylate Butanediol (meth) acrylate, 2-hydroxyethyl (meth) acrylic acid
  • radical-curable resins or components obtained by adding reactive monomers to them are also referred to as main agents.
  • main agents Is preferably used in the composition in an amount of less than 100% by weight. More preferably, the content is 20% by weight or more and 60% by weight or less.
  • the composition may include a curing accelerator for a radical-curable resin.
  • curing accelerators examples include N, N-dimethylaniline, N, N-diethylaniline, N, N-dimethyl-P-toluidine, N, N-dihydroxypropyl pill-P-toluidine, N, N— There are aromatic anilines such as dihydroxyethyl-P-toluidine, metal stones such as cobalt naphthenate, and chelate compounds such as vanadyl acetyl acetonate. These curing accelerators are preferably added in a range of, for example, 0.1% by weight or more and 5% by weight or less based on the radical-curable resin. Further, the composition contains a preferable additive for solidifying the composition and maintaining the composition as a solid.
  • inorganic compounds such as silicic acid, calcium carbonate, gypsum, glass flakes, my strength, volcanic ash, shirasu, shirasu macro balloon, concrete powder, glass macro balloon, hollow glass, fly ash, carboxymethyl cellulose, methyl cellulose
  • Polysaccharides such as guar gum, oral gum, gelatin, PVA, gum arabic, microcrystalline cellulose, amylose, and amylopectin can be used.
  • these additives can be used alone or in combination of two or more.
  • silicon dioxide, calcium carbonate, and calcium silicate can be preferably used, and silicon dioxide is particularly preferable.
  • Such an additive is preferably used in a range of 300% by weight or less based on the radical-curable resin, and more preferably in a range of 5 to 50% by weight.
  • an aggregate can be contained in the uncured resin composition.
  • the aggregate to be used is not particularly limited, but an artificial aggregate such as magnesia clinker or glass or ceramics, or a natural inorganic aggregate such as silica stone, marble, granite, silica sand or quartz can be used.
  • an organic aggregate made of hard plastic such as hard vinyl chloride may be used.
  • the form and Z or size are selected so that the aggregate in the unit is totally dispersed in the resulting solid unit.
  • a coloring agent can be added to the uncured resin composition as needed.
  • the uncured resin composition preferably has a viscosity (20 ° C.) of 10 Pa ⁇ s or more and 200 Pa ⁇ s or less.
  • a viscosity 20 ° C.
  • the viscosity is less than lOPa's
  • the dimensional stability of the discharged material is too low to maintain the shape.
  • the dimensional stability of the ejected composition is too low, the shape becomes unstable, and it becomes difficult to obtain a desired shape.
  • the ratio of the curing agent to the amount of the radical-curable resin in the fixing material becomes excessive (particularly, the surface of the core portion is cured into a film. This tendency is remarkable in the case of a fixing material having an agent phase.), An unreacted curing agent is present in the cured resin, and the physical properties may be reduced. There is also the problem of becoming too large.
  • the resin composition has good dimensional stability and a desired shape can be obtained at the stage of discharging the resin composition in a predetermined amount and molding by applying a curing agent.
  • the viscosity is favorable for mixing the destroyed curing agent and the aggregate with the radically cured resin composition, so that good mixing properties can be obtained.
  • the viscosity is more preferably at least 50 Pa ⁇ s, and even more preferably at most 100 Pa ⁇ s. Most preferably, it is not less than 50 Pa ⁇ s and not more than 100 Pa ⁇ s.
  • the viscosity of the uncured resin composition can be measured using a B-type viscometer, E-type viscometer, L-type viscometer, R-type viscometer, or H-type viscometer according to JISK 6833 (viscosity measurement) or the equivalent. It can be measured by a viscosity measurement method. The viscosity is expressed as an apparent viscosity at 0.5 rpm of 70.5. For example, it can be measured with a sample amount of 10.0 g using an L-type viscometer (Piscotech L-type manufactured by Piscotec). The viscosity of the uncured resin composition can be controlled, for example, by the amount of filler / aggregate added to the radical-curable resin base material.
  • the thixotropic coefficient of the uncured resin composition is preferably 1.1 or more and 5.0 or less. Within this range, a resin having excellent dimensional stability can be produced at the stage of molding the uncured resin composition, and as a result, a resin composition having a predetermined shape can be obtained.
  • the uncured resin composition may lose its shape over time during molding and react with the curing agent until the resin is cured (typically 20%). (Approximately 30 minutes), it is not possible to obtain a molded product in the desired form.
  • the ratio exceeds 5.0 the ratio of the curing agent to the amount of the radical-curable resin in the fixing material becomes excessive (particularly, the curing agent phase is formed into a film on the surface layer side of the core portion). This tendency is remarkable in the fixing material in the form of being provided.), An unreacted curing agent is present in the cured resin, and the physical properties may be deteriorated.
  • the thixotropy coefficient is more preferably 2.0 or more, and more preferably 4.0 or less. Particularly preferably, it is 2.0 or more and 4.0 or less.
  • the thixotropic coefficient is, specifically, JISK 683 3 (6.3 viscosity) or B type viscometer, E type viscometer, L type viscometer, H type viscometer Can be measured by a viscosity measurement method according to For example, using an L-type viscometer (Viscotec Pisco Basic L-type) with a sample amount of 10.0 g, the apparent viscosities at lrpm and 10rpm? ? The ratio of 1 to 7?
  • the uncured resin composition preferably has the viscosity or the thixotropy coefficient in the above range, but more preferably has both the viscosity and the thixotropy coefficient in the above range.
  • the viscosity (20 ° C.) is 10 Pa ⁇ s or more and 200 Pa / s or less (more preferably 50 Pa ⁇ 100 Pa ⁇ s or less)
  • the thixotropy coefficient is 1.1 or more and 5.0 or less (more preferably 2.0 or more and 4.0 or less).
  • the first unit containing the uncured radical-curable resin is not particularly limited as long as it is a solid unit having a predetermined shape, and may have any hardness, viscosity, shape, or the like.
  • the first unit may be in a form in which aggregate is contained in the entire first unit.
  • the second unit contains a composition containing a curing agent for the uncured radical-curable resin contained in the first unit (hereinafter, simply referred to as a curing agent composition).
  • the curing agent examples include oxides such as hydrated oxides such as quume oxide, dialkyl peroxides such as dicumyl peroxide, diacyl peroxides such as benzoyl peroxide, and methyl ethyl ketone peroxide.
  • Organic peroxides such as ketone peroxides, bis- (4-tert-butylcyclohexyl) peroxyketals, and peroxyesters such as t-butylperoxybenzoate, and phthalates of these organic peroxides
  • Organic substances such as dicyclohexyl acid and those diluted with inorganic substances such as calcium carbonate and calcium sulfate can also be used.
  • Preferred is a peroxide-based curing agent, and particularly preferred is Acyl peroxides, more preferably benzoyl peroxide and benzoyl peroxide diluted with a diluent.
  • these various curing agents can be used alone or in combination of two or more.
  • the curing agent composition may contain an additive (molding agent) for containing the curing agent to give a predetermined shape.
  • an additive for containing the curing agent to give a predetermined shape.
  • polysaccharides such as carboxymethylcellulose, methylcellulose, guar gum, locust bean gum, gelatin, PVA, gum arabic, microcrystalline cellulose, amylose, and amylopectin, and vinyl acetate.
  • various adhesives preferably acryl-based adhesives, can be used.
  • the curing agent composition may also contain a suitable filler in addition to the above.
  • a suitable filler for example, fibrous, powdery, granular, chips or flakes. These fillers can contribute to improvement in the formability and strength of the second unit.
  • a coloring agent can be added to the composition as needed.
  • the second unit only needs to have a phase containing a curing agent (curing agent phase), and may be solid or liquid (flowable state).
  • the hardening agent layer may be in the form of a film or the like constituting at least a part of the surface layer side of the first unit.
  • a unit formed in a skin shape by applying or spraying a unit composition containing a curing agent on the outer surface of an object having a predetermined outer surface is provided. There may be.
  • the second unit forms at least a part of the surface of the first unit.
  • a curing agent phase formed by applying the curing agent composition to the surface of the first unit the curing agent composition containing 90% or more of the curing agent Things.
  • a curing agent preferably a peroxyside curing agent such as benzoyl peroxide
  • a molding material preferably PVA
  • % To 3.0% by weight (preferably 2% by weight or less)
  • a filler preferably calcium sulfate
  • 40% to 80% by weight preferably about 63% by weight. I like it.
  • the first unit and the second unit are separated from each other in the fixing element fixing composite so that the uncured radical-curable resin and the curing agent have curing reactivity until they are used.
  • a hardened radical-curable resin layer is provided at a contact portion between the first unit and the second unit.
  • a resin layer obtained by curing a radical-curable resin contained in the first unit is provided on the surface of the first unit in contact with the second unit, preferably on the entire surface of the first unit.
  • Such a resin layer can be formed by, for example, applying a curing agent to the surface of the first unit after the formation of the first unit to cure the surface side of the first unit.
  • the first unit and the second unit are in good contact with the uncured radical-curable resin contained in the first unit and the curing agent contained in the second unit when used.
  • the radical-curable resin is composited so as to be cured well.
  • the second unit in the form of a film constituting at least a part, preferably a large part, more preferably approximately the whole of the surface side of the first unit.
  • FIG. 1 illustrates the form of the fixing element fixing material.
  • the first unit 2 has a rod-like form
  • the second unit 4 partially or entirely covers the outer surface of the rod-like body.
  • the first unit forms a core portion.
  • the second unit constitutes a curing agent phase constituting at least a part of the surface layer side of the first unit.
  • the size of the rod approximately match the size of the commonly used fixing material, it can be used as it is as the fixing material.
  • the cross-sectional area can be about 0.1 to 28 cm 2 and the length can be 5 to 500 mm (typically 50 to 60 mm).
  • the core portion may be a solid unit having a predetermined shape, and may be of any hardness, viscosity and shape.
  • the core portion has shape retention or strength capable of maintaining a shape provided by itself. Specific shapes include rods, spheres, irregular shapes, and the like.
  • the curing agent phase is not particularly limited in its form, but is preferably in the form of a skin covering the surface of the core, and more preferably in the form of a skin covering the entire outer surface of the core.
  • the core may be formed so as to include the aggregate at the center side of the core, in addition to the form in which the entire core contains the aggregate.
  • the curing agent is preferably 1 to 70% by weight based on the weight of the entire first unit. If the amount is less than 1% by weight, the amount of the curing agent is too small to obtain a sufficient cured state of the radical-curable resin. If it exceeds 70% by weight, problems tend to occur in the moldability and strength of the cured resin. More preferably The range is 10 to 30% by weight, and this range is particularly preferable for a peroxide-based curing agent such as benzoyl peroxide.
  • the weight of the curing agent is preferably 1 to 10% by weight based on the weight of the uncured radical-curable resin (including the reactive monomer).
  • the fixing material 91 shown in FIGS. 2 (A) and (B) has a form in which a plurality of fixing materials (corresponding to one perforation) 91 a are separably integrated.
  • the form of connection is not particularly limited, and a form in which the fixing member 91a can be easily separated at the time of use by providing the dividing portion 96 can be adopted.
  • the fixing material 91 shown in FIG. 2 (A) has rod-shaped fixing materials 91a arranged side by side and has a divided portion between the fixing materials 91a.
  • FIG. 2 (B) has a rod-shaped fixing material 91a with a divided portion 96 in the longitudinal direction, and is a dividable or individual fixing material connected in tandem. It has become.
  • a fixing material 91 is a preferable distribution / supply form for a fixing material that is frequently used.
  • the product contains a cured radical-curable resin.
  • the phase (bonding phase) containing such a cured radical-curable resin is formed by applying a curing agent to the surface layer of the core and causing the curing agent to be present on the surface side of the core, thereby forming an uncured core.
  • the radical-curable resin and the curing agent come into contact with each other and are formed by the reaction between the uncured radical-curable resin and the curing agent at the contact site, the existence form is not particularly specified.
  • the isolated state of the fixing material of the present embodiment is ensured by the cured radical-curable resin generated near the interface between the core portion and the curing agent phase.
  • a part thereof is divided into two or more parts each having a core portion and a hardener phase.
  • a division 96 can be provided which can form the body 91a. like this
  • the dividing part 96 can be a fragile part that tends to concentrate stress more than the surroundings. For example, it can be a fragile portion that can be easily broken by hand or subjected to an external impact with an appropriate device to be divided or destroyed.
  • Such a dividing portion 96 may be formed, for example, at a boundary portion to be divided, so that the cross-sectional area of the fixing material is formed smaller than the surrounding area, a line-shaped recess is formed, an impact-imparting device is installed, a shading recess, etc. , Etc. can be adopted. If necessary, a form suitable for split use can be adopted.
  • the dividing part 96 is concave, it is preferable that the deepest part of the concave part reaches the core part.
  • the divided part is used not only for dividing the fixing material before use, but also for easily attaching the fixing material provided with the divided part to the fixing hole by attaching an anchor such as a port. It is intended to break the bonding material.
  • the dividing portion can improve the rupture property of the fixing material and the mixing property between the resin and the curing agent.
  • the divided portion is formed with a part and a shape that improve the destructibility and the mixing property.
  • the curing agent is not less than 1% by weight and not more than 70% by weight based on the weight of the core portion.
  • the amount of the curing agent is too small to obtain a sufficient cured state of the radical-curable resin. If it exceeds 70% by weight, problems tend to occur in the moldability and strength of the cured resin. More preferably, the content is 1% by weight or more and 20% by weight or less based on the weight of the core portion. This range is particularly preferable for peroxide-based curing agents such as benzoyl peroxide. Further, the weight of the curing agent is preferably 1% by weight or more and 30% by weight or less based on the weight of the uncured radical-curable resin (including the reactive monomer).
  • a solid body can be compounded by applying a composition for one unit to another unit of the solid body.
  • the unit existing inside in the case of the composite form shown in FIG. 1, the unit existing inside (in the case of FIG. 1, the first unit is obtained in advance, and then the other unit is added.
  • the inner unit is formed by extrusion or other forming methods, and in some cases, cut and Z or reshaped after forming to the desired shape, and then the composition constituting the outer unit is applied.
  • the outer side unit composition should be in a form that can be easily applied to the outer surface of the inner unit. For example, if the composition is applied or sprayed, the composition is provided with appropriate fluidity, and the composition is applied by dipping.
  • the composition for the skin-side unit preferably has an adhesive property, for example, various kinds of adhesives, preferably It can include acrylic-based adhesive.
  • the composition for the outer skin unit applied to the inner unit is usually integrated by drying, heating if necessary.
  • a fixing material having a first unit as a core portion and a second unit as a curing agent phase constituting at least a part of the surface layer side of the core portion Will be described.
  • FIG. 3 and FIG. 4 illustrate two types of other manufacturing methods.
  • a curing agent for the radical-curable resin is supplied to the surface of the composition containing the uncured radical-curable resin, and then a step of giving a predetermined shape is performed.
  • a “shaping” step ie, supplying the curing agent composition to the surface of the uncured radical-curable resin composition (molding precursor) before molding, and then molding, the core and the curing agent are formed.
  • a composite form consisting of phases can be obtained at once. Further, an arbitrary shape can be easily provided to the fixing material.
  • an uncured resin composition compounded for molding Particularly preferably, uncured containing molding agent A resin composition is used. Before the molding, a medium such as water can be added in order to impart appropriate fluidity or the like before molding.
  • An uncured resin composition is prepared by mixing and kneading the various components of the composition. Prior to imparting a shape to the uncured resin composition, it is preferable to divide the uncured resin composition into an appropriate size. That is, it is preferable that the material is divided into portions in accordance with the final form of the permanent fixing material or the final packaging form of the permanent fixing material (such as a form in which a plurality of diluents are linked).
  • the dividing means is not particularly limited, and any means can be employed as long as it can divide the present composition which has been appropriately thickened.
  • the form after division of the composition is not particularly limited. An irregular shape or a certain shape may be provided. Preferably not the final shape. Further, the surface may be sticky or fluid.
  • the uncured resin composition has as low a content of a shape-retaining agent and the like as possible in order to maintain the curing reactivity and the strength when the fixing material is used. Therefore, it is preferable that the uncured resin composition introduced in the supply step of the curing agent composition has viscoelasticity or fluidity that allows plastic deformation due to a small external force. In other words, the composition has sufficient viscoelasticity or fluidity to maintain its shape without plastic deformation even when an external force exceeding a predetermined level is applied only after completion of surface hardening by the supply of the curing agent composition. Is preferred. The viscoelasticity and fluidity of the uncured resin composition vary depending on the molding means and shape used.
  • an uncured resin composition can be divided into a predetermined amount by forming a continuous body having a constant cross-sectional shape by extrusion without discharging and then cutting the continuous body into a predetermined length.
  • a composition containing a curing agent for an uncured radical-curable resin contained in the composition is supplied to the surface of the uncured resin composition (molding precursor) before the final molding. Preferably, it is applied to the entire surface of the composition.
  • the supply form is not particularly limited. Spraying, spraying, dipping and the like can be appropriately selected and employed.
  • the curing agent composition By supplying the curing agent composition to the surface of the uncured resin composition in this way, On the surface of the uncured resin composition, a curing reaction of the resin by the uncured radical-curable resin and the curing agent occurs to generate a radical-curable resin.
  • the cured radical-curable resin allows the curing agent-containing composition to be well integrated with the surface of the uncured resin composition.
  • the cured film can simultaneously maintain the curing reactivity of the uncured radical-curable resin located inside the surface of the uncured resin composition.
  • the desired shape is imparted by using various shape imparting means, and at the same time, the uncured resin composition and the curing agent composition are added. And a molded body (fixing material) can be obtained at once. It is not necessary to complete the production of the fixing material at the same time as the molding by the supply with the curing agent composition.
  • a material having a size corresponding to a plurality of fixing materials is once formed, it is divided by an appropriate means to obtain a final fixing material. In this case, it is preferable to supply the curing agent composition again to the uncured resin composition portion newly exposed by the division.
  • drying step After the molding, it is preferable to carry out the drying step by leaving or actively blowing and Z or heating.
  • a drying step may be a curing step in which the curing reaction is simultaneously advanced and, consequently, is completed. By performing such drying and / or heating, the shape can be stabilized.
  • a hardener composition can be further supplied to the obtained molded body to impart a hard hardener phase. It is preferable that the curing agent composition supplied at this time contains a relatively large amount of the molding agent than the curing agent composition already applied. Also, the form of the curing agent composition supplied at this time is preferable. Although there is no particular limitation, a liquid curing agent composition can be used since the core has already been molded.
  • Shape imparting means suitable for use after application of the curing agent composition include rolling compaction, press molding and the like.
  • the molding can be performed immediately after supplying the curing agent composition or while supplying the curing agent composition.However, after the curing agent composition is supplied, the curing is advanced to a certain extent, and the shape is imparted after a certain period of time. It can also be subjected to a process.
  • the precursor 102 before molding is conveyed while being rotated on a conveyor, and has a predetermined size.
  • the press portion 104 formed in the gap it is formed into a columnar body 106 having a predetermined diameter to provide a fixing material having a core portion and a curing agent phase.
  • the forming method is not limited to the rolling method, and ordinary press forming can also be employed.
  • the uncured resin composition 202 is placed between two rotating molding rollers 204 whose peripheral surfaces are arranged facing each other and are rotated.
  • the composition 202 is formed by holding the composition while rotating between the rotating rollers 204. Then, at the time of molding, by supplying the curing agent composition 206 to the surface of the composition 202, the surface of the composition 202 held between the rotating rollers 204 is solidified. As a result, the first unit or the fixing material of the columnar body can be formed.
  • the cross section of the molding roller 204 is preferably substantially circular or circular. In the case of a substantially circular or circular shape, a columnar body can be easily obtained.
  • the composition 202 is gradually extended in the axial direction of the rotating roller 204. Therefore, according to this method, it is possible to obtain the first unit or the fixing material having a stable length (often corresponding to the length). At the same time, the cross-sectional area is stable, and as a result, the first unit or the fixing material having a uniform shape as a whole can be obtained.
  • the supply timing or supply site of the curing agent composition 206 is not particularly limited, but is At the beginning of the process, it is preferable to supply the curing agent composition 206 mainly on the peripheral surface of the composition 202 along the axial direction of the roller 204. In other words, it is preferable that the curing agent composition 206 is not supplied to both extending end portions. Thereafter, when the length is approximately the desired length, or earlier, and when it is extended to some extent, in particular, at the extended end of the extended or extending composition 202 By supplying the curing agent composition 206 to the (end face), the extended end is solidified, and the position and shape of the end can be regulated.
  • the shielding members 208 are arranged at both ends in the direction in which the composition extends, that is, at the positions corresponding to the bottom surface and the top surface of the columnar body of the size to be obtained, and then extended.
  • the contacting composition does not extend further upon contact.
  • the shielding member 208 can determine the size (often a length) of the shape of the composition to be molded, and moreover, the end of the composition 202 depends on the shape of the contact surface. A partial shape can also be given.
  • the length and the end of the composition 202 can be effectively reduced.
  • the shape can be regulated.
  • the shielding member 208 regulates the extension of the end portion of the composition 202 while molding, not only at the final stage of the molding process but also from the beginning or in a part of the molding process. Can be used as appropriate.
  • the method of supplying the curing agent composition to the molded article precursor and molding as described above since the shape is imparted in a state where the curing agent composition is applied, the moldability is improved. Therefore, various shapes can be easily provided. As a result, various shapes can be easily provided not only on the entire shape of the fixing material but also on the surface side. That is, a fragile portion such as a concave portion that allows the fixing material to be divided can be easily provided.
  • connection form is not particularly limited.
  • a form in which columnar bodies of the same size are arranged so as to have the same length can be employed.
  • a divided portion 96 that can be divided into individual columnar bodies is formed between adjacent columnar molded portions.
  • Fig. 2 (B) It can also be made divisible in the length direction.
  • the temperature of the uncured resin composition and / or the curing agent composition can be controlled as necessary.
  • the curing reaction proceeds quickly, it is preferable to heat the mixture to a temperature at which the curing reaction can be accelerated.
  • the curing reaction is to be delayed, it is preferable that the curing reaction be delayed. Cool to temperature.
  • the molded body shaped in this way can be used as it is as the fixing material of the present invention, or it can be further supplied with a curing agent composition on its surface to form the fixing material of the present invention. .
  • the uncured resin composition again to the surface of the molded body and then applying the curing agent composition, a laminated structure of the uncured resin composition phase and the curing agent phase can be formed.
  • the first unit and the second unit are brought into contact with each other.
  • a radical reaction of the radical curable resin contained in the first unit occurs at a contact portion (joint portion including) between the first unit and the second unit.
  • the cured radical-curable resin layer is formed at the contact site.
  • such a cured resin layer may be separately formed on the outer surface of the first unit prior to the compounding step. Alternatively, it can be formed by supplying an uncured resin composition to the surface of the second unit.
  • the first unit in addition to the fixing element fixing material, the first unit, the uncured resin composition for the first unit, In addition to providing the curing agent composition for the first unit and the second unit, a method for producing a fixing material is also provided.
  • the container for the radical-curable resin and the filling work for the container which were conventionally indispensable, are provided. Can be eliminated. This eliminates components that are substantially unnecessary for fixing the fixing element from the fixing material. Further, when the first unit is formed of an uncured resin having a large volume ratio with respect to the fixing material, the form and size of the fixing material are provided by the first unit. It is easier to provide.
  • the second unit when the second unit is also solid, it is easy to adopt a composite form with the first unit.
  • the second unit is formed at least partially on the surface side of the first unit.
  • the fixing material of the present invention is particularly suitable for fixing strength fixing elements such as anchors, and provides a material for fixing anchor bars excellent in economy and usability.
  • An uncured resin composition (JISK 6833, L-type viscometer, mixed with 25 g of an unsaturated polyester resin that is a radical-curable resin, 4 g of a molding agent and 60 g of a baked aggregate, and kneaded.
  • sample weight 8 9 g, 2 0 ° C , viscosity 8 0 P a ⁇ s (rotational speed 0. 5 rpm), thixotropic coefficient i ⁇ T? 1 0 3 .
  • a powder hardener such as a peroxide is applied to the outer surface, and the composition is lightly pressed while rotating and moving on a conveyor, and simultaneously divided into intermediate positions in the longitudinal direction. Then, a cylindrical shape having a concave portion capable of forming was formed, and then left at room temperature for 2 hours or more to obtain a molded body. Then, a curing agent composition was prepared by mixing 10 g of a curing agent for parkoids and 20 g of a filler on the surface of the molded body, and 1 g of povar as a solid powder was added to 30 g of water.
  • a powder hardener such as a peroxide
  • a slurry obtained by mixing and heating and dissolving the mixture at room temperature was applied thereto, dried for 24 hours, and then used as a fixing material. Finally, a fixing material having an outer diameter of 10 mm in diameter and a length of 100 mm and having a concave portion which can be divided at an intermediate position of 50 mm was obtained.
  • the Ml2 fully threaded port with the tip obliquely cut at 45 ° was used for an electric drill. I installed it and buried it while rotating it to a certain length. Twenty-four hours after placing and curing, the maximum pull-out load was measured using a hydraulic pressure measuring machine. The results for all three fixing materials were 60 kN or more, which was a good result.
  • Example 1 The following strength test was performed on the fixing material prepared in Example 1 having an outer diameter of 10 mm and a length of 100 mm and divided by a concave portion in the middle.
  • Compressive strength 2 1 N / mm 2 concrete blocks in diameter 1 4 mm, subjected to drilling depth 6 0 mm.
  • Example 1 From these results, it was found that the fixing material prepared in Example 1 had good fixing strength and rigidity of the anchor, and exhibited stable strength.
  • An uncured resin composition obtained by kneading 30 g of unsaturated polyester resin, which is a radical-curable resin, 5 g of silicon dioxide (trade name: Nipseal, manufactured by Nippon Silica Kogyo KK) and 5 g of calcined aggregate (JISK 6833, L-type viscometer, sample weight 40.0 g, 20 ° C, viscosity 9 Pa's (rotational rate 0.5 rpm), thixotropic coefficient 7 to 1 C) 1.0) at a predetermined extrusion amount, cut it to a length of 60 mm, apply 5 g of a peroxide-based powder hardener to its outer surface, and rotate this composition on a conveyor. When pressed lightly, the outer coating on the surface The shape collapsed before the formation, and after 2 hours of curing, the cross-section became flat and elliptical, and a desired cylindrical molded body could not be obtained.
  • unsaturated polyester resin which is a radical-curable resin,
  • unsaturated polyester resin which is a radical-curable resin
  • silicon dioxide trade name: Nipseal, manufactured by Nippon Silica Co., Ltd.
  • a peroxide-based powder hardener While being pressed lightly, a molded body having a diameter of 9 mm and a length of 60 mm was obtained.
  • Anchor-Porto D10, perforation An adhesion test was performed on three molded bodies at a diameter of 11.5 x 60 mm in length. In one specimen, the anchor was embedded to the bottom of the hole I could't do that. For the remaining two specimens, although the anchor force was embedded, the pull-out strength of the anchor was 0.2 kN and 0.1 kN, respectively. Poor curing was confirmed. In addition, the punch-out strength of the anchor was very low compared to 20 kN to 30 kN, and the anchor could not be used.
  • wearing material from which the component unnecessary for fixation of a fixing element is eliminated is provided. Further, according to the manufacturing method of the present invention, the manufacturing process of the fixing element fixing material is simplified.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

L'invention concerne une partie permettant de fixer un élément fixe tel qu'un ancrage. Ladite partie contient un nouveau composite constitué d'une résine durcissante radicale et d'un agent de traitement et elle permet d'exclure un élément constituant non requis pour la fixation d'un élément fixe. La partie de fixation de l'élément fixe comprend une partie centrale renfermant une résine durcissante radicale non traitée et une phase d'un agent de traitement constituant au moins une partie de la couche superficielle de la partie centrale et contenant un agent de traitement destiné à la résine durcissante radicale. La phase interne de la partie centrale renfermant la résine durcissante radicale non traitée présente une viscosité comprise entre 10 et 200 Pa.s à une température de 20°.
PCT/JP2002/010159 2002-03-29 2002-09-30 Partie de fixation d'un element fixe et son procede de fabrication WO2003083006A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE10297695T DE10297695T5 (de) 2002-03-29 2002-09-30 Element zur Befestigung eines stationären Elements und dessen Herstellungsverfahren
JP2003580444A JP4223407B2 (ja) 2002-03-29 2002-09-30 固定要素固着用材及びその製造方法
AU2002335465A AU2002335465A1 (en) 2002-03-29 2002-09-30 Part for fixing fixed element and its manufacturing method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002096887 2002-03-29
JP2002-96887 2002-03-29

Publications (1)

Publication Number Publication Date
WO2003083006A1 true WO2003083006A1 (fr) 2003-10-09

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JP (1) JP4223407B2 (fr)
AU (1) AU2002335465A1 (fr)
DE (1) DE10297695T5 (fr)
TW (1) TW591080B (fr)
WO (1) WO2003083006A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005330387A (ja) * 2004-05-20 2005-12-02 Nippon Dekoratsukusu Kk アンカー固定用の接着剤
JP2006219953A (ja) * 2005-02-14 2006-08-24 Asahi Kasei Chemicals Corp 樹脂カプセルアンカーの製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58146698A (ja) * 1982-02-24 1983-09-01 木村　三千夫 ボルトの固着方法
EP0713015A1 (fr) * 1994-10-28 1996-05-22 Basf Aktiengesellschaft Matière autoportative pour cheville pour la technique de fixation chimique
JP2002294210A (ja) * 2001-03-30 2002-10-09 Nippon Dekoratsukusu Kk 固定要素固着用複合体及びその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58146698A (ja) * 1982-02-24 1983-09-01 木村　三千夫 ボルトの固着方法
EP0713015A1 (fr) * 1994-10-28 1996-05-22 Basf Aktiengesellschaft Matière autoportative pour cheville pour la technique de fixation chimique
JP2002294210A (ja) * 2001-03-30 2002-10-09 Nippon Dekoratsukusu Kk 固定要素固着用複合体及びその製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005330387A (ja) * 2004-05-20 2005-12-02 Nippon Dekoratsukusu Kk アンカー固定用の接着剤
JP2006219953A (ja) * 2005-02-14 2006-08-24 Asahi Kasei Chemicals Corp 樹脂カプセルアンカーの製造方法
JP4633494B2 (ja) * 2005-02-14 2011-02-16 旭化成ケミカルズ株式会社 樹脂カプセルアンカーの製造方法

Also Published As

Publication number Publication date
AU2002335465A1 (en) 2003-10-13
JPWO2003083006A1 (ja) 2005-08-04
DE10297695T5 (de) 2005-04-21
JP4223407B2 (ja) 2009-02-12
TW591080B (en) 2004-06-11

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