JP2013241591A - Resin composition, resin sheet, molded product, and joined product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a resin composition and a resin sheet capable of carrying out joining of metal plates whose surfaces are covered with a resin without using human's hands; and to provide a molded product and a joined product molded so as to correspond to the shape of a joined portion by which metal plates are joined with such a resin sheet.SOLUTION: A molded product 30 is used for orthogonally joining rising surfaces 12 of a first and a second member 10, 20 each having a bottom part 11 and the rising surface 12, and has a shape corresponding to a joining part 141 of the bottom parts 11 and a joining part 142 of the rising surfaces 12, wherein the molded product contains a particle constituted of a vinyl chloride-based resin, and a plasticizer; and the particle is dispersed in the plasticizer, and swollen with a part of the plasticizer.

Description

  The present invention relates to a resin composition, a resin sheet, a molded body, and a joined body.

In recent years, with the demand for higher durability of buildings, a waterproof sheet structure in which a resin sheet is laid and used has been adopted on many rooftops and verandas of buildings (see, for example, Patent Document 1).
In this waterproof sheet structure, for example, a steel plate (metal plate) coated with polyvinyl chloride is disposed at the boundary between the floor on the roof and the wall provided along the outer edge of the floor. The wall portion is covered with the steel plate together with a resin sheet, thereby waterproofing the roof.
Here, the shape of the rooftop where waterproofing is applied is naturally various. Therefore, as the steel plate, a plurality of types of shapes are prepared in advance, a plurality of shapes that match the shape of the rooftop or the like actually constructed are selected, and these are joined together.
Such joining between steel plates is currently performed by preparing a waterproof sheet corresponding to the shape of the joint at the construction site and covering the joint with the waterproof sheet using this waterproof sheet. There is a problem that time and labor are required because there are many.
Then, about several points among the some selected steel plates, it is possible to join steel plates previously using a waterproof sheet, prior to carrying in to a construction site.
However, in this case, when a resin sheet composed of a gelled material containing a vinyl chloride resin and a plasticizer is used, the waterproof sheet shrinks due to heating, and the industrial process is not performed without human intervention. In particular, it was difficult to join steel plates together.

JP 2007-70877 A

An object of the present invention is to provide a resin composition, a resin sheet, and such a resin sheet that can join metal plates whose surfaces are coated with a resin without human intervention. It is providing the molded object shape | molded so that it might respond | correspond to the shape of a junction part.
Moreover, providing the joined body produced by joining the metal plates by which the surface was coat | covered with resin using the said resin sheet or molded object.

Such an object is achieved by the present invention described in the following (1) to (13).
(1) including particles composed of a vinyl chloride resin and a plasticizer,
A resin composition in which the particles are dispersed in the plasticizer and the particles are swollen by a part of the plasticizer.
(2) The resin composition according to (1), wherein the particles are partially adjacent to each other in the resin composition but are not united.
(3) The particle according to (1) or (2), wherein the particle is swollen by heating the plastisol composition containing the particle and the plasticizer, and the particle is absorbed by the particle. Resin composition.
(4) The resin composition according to (3), wherein the plasticizer is blended in an amount of 40 parts by weight to 80 parts by weight with respect to 100 parts by weight of the vinyl chloride resin in the plastisol composition. .
(5) The resin composition according to (3) or (4), wherein the particles have an average particle size of 0.05 μm or more and 10 μm or less in the plastisol composition.

(6) A resin sheet obtained by forming the resin composition according to any one of (1) to (5) into a sheet shape.
(7) The resin sheet according to (6), wherein the tensile strength (specified in JIS K 6251) is 0.001 MPa or more and 8 MPa or less.
(8) A molded body formed using the resin sheet according to (6) or (7).
(9) In the above (8), which is used so as to cover a joint portion obtained by joining two members made of a metal plate whose surface is coated (coated) with a resin, and has a shape corresponding to the joint portion. The molded body described.
(10) A first member having a bottom and a rising surface standing from the edge of the bottom, and a second member having a bottom and a rising surface standing from the edge of the bottom. , Used to join so that the rising surfaces are orthogonal to each other,
The molded body according to (9), wherein the molded body has a shape corresponding to a joint portion between the bottom portions and a joint portion between the rising surfaces.
(11) Each of the first member and the second member has a joint internal plane that protrudes from the upper end of the rising surface to the opposite side of the bottom,
On the joint portion side between the rising surfaces, a first defect portion is formed between an end portion of the joint inner plane of the first member and an end portion of the joint inner plane of the second member. ,
The molded article according to (10), wherein the molded article has a portion that compensates for the first defect portion.
(12) Each of the first member and the second member has a joint interior rising surface protruding upward from an end opposite to the bottom of the joint interior plane,
On the joint portion side between the rising surfaces, a second defect portion is provided between an end portion of the joint internal rising surface of the first member and an end portion of the joint internal rising surface of the second member. Formed,
The molded product according to (11) above, which has a portion that compensates for the second defect portion.
(13) A joined body obtained by joining two metal plates using the resin sheet according to (6) or (7) or the molded body according to any of (8) to (12).

  According to the present invention, by heating the resin composition, the resin sheet, or the molded body, the metal plates whose surfaces are coated with the resin can be reliably joined without any human intervention. That is, it is possible to reliably obtain a joined body in which metal plates whose surfaces are coated with a resin are joined using a resin sheet or a molded body without intervention of a human hand.

It is a perspective view which shows 1st Embodiment of the conjugate | zygote of this invention. It is a disassembled perspective view of the conjugate | zygote shown in FIG. It is a longitudinal cross-sectional view which shows the state which has arrange | positioned the conjugate | zygote shown in FIG. 1 to the housing. It is a perspective view which shows 2nd Embodiment of a conjugate | zygote. It is a perspective view which shows 3rd Embodiment of the conjugate | zygote of this invention. FIG. 6 is an exploded perspective view of the joined body shown in FIG. 5. It is a perspective view which shows 4th Embodiment of the conjugate | zygote of this invention. It is a perspective view which shows 5th Embodiment of the conjugate | zygote of this invention. It is a photograph which shows the resin sheet after punching out a dumbbell-shaped test piece using a punching blade.

Hereinafter, the resin composition, the resin sheet, the molded body, and the joined body of the present invention will be described in detail based on preferred embodiments shown in the accompanying drawings.
First, prior to explaining the resin composition, the resin sheet, and the molded body of the present invention, a bonded body in which metal plates whose surfaces are coated (coated) are bonded to each other using the molded body of the present invention. The molded body (the joined body of the present invention) will be described.

<First Embodiment>
FIG. 1 is a perspective view showing a first embodiment of a joined body of the present invention, FIG. 2 is an exploded perspective view of the joined body shown in FIG. 1, and FIG. 3 is a diagram showing the joined body shown in FIG. It is a longitudinal cross-sectional view which shows a state. In the following description, the upper side in FIGS. 1, 2, and 3 is “upper” and the lower side is “lower”.
As shown in FIGS. 1 and 2, the joined body 1 includes a first member 10, a second member 20, and a molded body 30, and the first member 10 and the first member 30 are interposed via the molded body 30. The two members 20 are joined.
The joined body 1 is disposed at a boundary portion between a floor portion and a wall portion of a housing such as a rooftop or a veranda, and the floor portion and the wall portion are covered with the joined body 1 using a waterproof sheet, thereby forming the housing. It is used for a waterproof sheet structure for waterproofing.
Specifically, as shown in FIG. 3, the joined body 1 includes a floor 510, a first wall 520 erected from the floor 510, and a first wall erected from the floor 510. In the housing 500 having the second wall portion 530 arranged so as to intersect the 520, the housing 500 is disposed near the boundary portion (corner portion) between the floor portion 510, the first wall portion 520, and the second wall portion 530. To be used. That is, the joined body 1 is used by being arranged at a position where water (liquid) flowing on the housing (sheet waterproof structure) 500 is bent.

Hereinafter, each member which comprises this conjugate | zygote 1 is explained in full detail.
In addition, since the 1st member 10 and the 2nd member 20 have a mutually symmetrical shape, below, the 1st member 10 is demonstrated to an example and demonstrated.
The first member 10 is made of a metal plate whose surface is coated (coated) with a resin, and has a bottom portion 11, a rising surface 12, a joint internal plane 13, and a joint internal rising surface 14.
The bottom portion 11 is surrounded by a first side 15, a second side 16, a third side 17, and a fourth side 18 in a plan view seen from the upper side of FIGS. The side 15 and the second side 16 have a top base and a bottom base, and the third side 17 and the fourth side 18 form a leg shape.
Further, the third side 17 is orthogonal to the first side 15, and the fourth side 18 is provided to intersect with the first side 15 so as to be approximately 45 °.
Further, the bottom part 11 includes a flat part 110 and an inclined part 111 provided to be inclined to the flat part 110. When the joined body 1 is disposed in the housing 500, the inclined part 111 is It arrange | positions so that it may correspond to the dent part (groove) 511 provided in the floor part 510. FIG. In the sheet waterproof structure, the bonded body 1 is covered with the waterproof sheet, and a liquid (water) such as rainwater flows through the inclined portion 111 covered with the waterproof sheet.

The rising surface 12 is erected from the edge of the bottom 11, that is, from the first side 15, and has a rectangular shape having the same length as the first side 15 as a long side.
The joint internal plane 13 protrudes from the upper end of the rising surface 12 to the opposite side of the bottom 11 and has a rectangular shape having the same length as the first side 15 as a long side.
Further, the joint interior rising surface 14 protrudes from the side opposite to the bottom 11 of the joint interior plane 13 and has a rectangular shape having the same length as the first side 15 as a long side.
A space 120 is formed by the rising surface 12 and the joint inner flat surface 13, and when the joined body 1 is disposed in the housing 500, a protruding portion provided in the first wall portion 520 is disposed in the space 120. 521 is inserted. The joint inner plane 13 and the joint inner rising surface 14 form an engaging portion, and the joined body 1 is disposed in the housing 500 such that the engaging portion engages with the upper end of the protruding portion 521. .

Moreover, the standing board 19 which protrudes from the 4th edge | side 18 is provided in the middle of the 4th edge | side 18, This standing board 19 is being fixed to the bottom part 11 by the crimping in this embodiment.
The first member 10 having such a configuration has a substantially line-symmetric shape with respect to the second member 20 and the fourth side 18.
Accordingly, since the fourth side 18 is provided so as to intersect with the first side 15 so as to be approximately 45 °, as shown in FIGS. By arranging the fourth side 18 and the fourth side 18 of the second member 20 to face each other, the rising surface 12 of the first member 10 and the rising surface 12 of the second member 20 are orthogonal to each other. Are arranged as follows. In this embodiment, the 1st member 10 and the 2nd member 20 are joined via the molded object 30 in this state.

The joint interior plane 13 and the joint interior rising surface 14 each have a rectangular shape having the same length as the first side 15 as a long side. Therefore, when the rising surface 12 of the first member 10 and the rising surface 12 of the second member 20 are arranged so as to be orthogonal to each other, the joint inner plane 13 of the first member 10 and the second member 20 A first missing portion 130 is formed between the end portion on the fourth side 18 side with the joint inner plane 13. Furthermore, a second chipped portion 131 is formed between the end portions on the fourth side 18 side of the joint internal rising surface 14 of the first member 10 and the joint internal rising surface 14 of the second member 20. .
Moreover, the 1st member 10 and the 2nd member 20 are respectively comprised with the metal plate by which the surface was coat | covered (coating) with resin as above-mentioned. Thus, by coating with resin, corrosion of the metal plate can be reliably prevented.
Although it does not specifically limit as a metal plate, For example, although a steel plate like a stainless steel plate and an iron plate, an aluminum plate, a copper plate, etc. are mentioned, It is preferable that it is a steel plate. Thereby, the first member 10 and the second member 20 can have excellent strength.
Further, the thickness of the metal plate is not particularly limited, but is preferably about 0.1 mm or more and 3 mm or less, and more preferably about 0.3 mm or more and 2.5 mm or less.

Examples of the resin include vinyl chloride resins such as polyvinyl chloride, polyolefin resins, ethylene vinyl acetate copolymers, and the like, and one or more of these can be used in combination. Polyvinyl chloride is preferred. Since polyvinyl chloride is excellent in solvent weldability and heat-fusibility, corrosion of the metal plate can be more reliably prevented.
Moreover, the thickness which coat | covers a metal plate with resin is although it does not specifically limit, It is preferable that it is about 0.03 mm or more and 2 mm or less, and it is more preferable that it is about 0.1 mm or more and 0.7 mm or less.

The molded body 30 is used so as to cover the joint portion 140 obtained by joining the first member 10 and the second member 20 as two members, and has a shape corresponding to the joint portion 140. .
In the present embodiment, in the first member 10 and the second member 20, the molded body 30 has a first shape corresponding to the shape of the joint portion 141 between the bottom portions 11 in which the fourth sides 18 are opposed to each other. It has the part 31 and the 2nd part 32 corresponding to the shape of the junction part 142 of the standing surfaces 12.
By having the first portion 31 and the second portion 32 corresponding to the shape of the joint portion 140 (the joint portion 141 and the joint portion 142) in this way, the molded body 30 allows The first member 10 and the second member 20 can be reliably bonded at the bonding portion 140.

Further, in the present embodiment, in the first member 10 and the second member 20, the first missing portion 130 is between the end portions on the joint portion 142 (fourth side 18) side between the joint inner planes 13. The second chipped portion 131 is formed between the end portions of the joint interior rising surfaces 14 on the side of the joint portion 142 (fourth side 18), but the molded body 30 includes the chipped portions 130, 131 has a portion for supplementing.
That is, the third portion 33 of the molded body 30 is configured to cover the first defect portion 130 and the fourth portion 34 to cover the second defect portion 131. With such a configuration, when the joined body 1 is disposed in the housing 500, liquid such as rainwater can be accurately suppressed or prevented from entering the floor 510 through the defective portions 130 and 131. can do.

As shown in FIG. 1, the molded body 30 having the shape as described above is in a state where the first member 10 and the second member 20 are joined, that is, by heating the molded body 30, After joining to 10 and the 2nd member 20, it is comprised by the uniform phase by a vinyl chloride resin and a plasticizer.
On the other hand, before the molded body 30 is joined to the first member 10 and the second member 20, that is, before the molded body 30 is heated, the molded body 30 has a different form. Yes.
That is, the molded body 30 before heating contains particles composed of a vinyl chloride resin and a plasticizer, and further, the particles are dispersed in the plasticizer and are part of the plasticizer. It is comprised with the resin composition (resin composition of this invention) in which particle | grains are swollen. In such a resin composition, particles dispersed in the plasticizer may be partially adjacent to each other, but are in a state where they are not united with each other.
By using what is comprised with this resin composition as the molded object 30, when the molded object 30 is heated without a human hand in the manufacturing method of the conjugate | zygote mentioned later, the molded object 30 is contracted. Without melting. Therefore, when the molded body 30 is melted and then cooled and solidified, the obtained solidified product has a shape substantially similar to that of the molded body 30. Therefore, the first member and the second member can be joined by the molded body 30 by a simple operation of heating the molded body 30 uniformly.

Such a resin composition (molded body 30) can be obtained from a plastisol composition containing particles composed mainly of vinyl chloride resin and a plasticizer. Specifically, heating the plastisol composition causes the particles to absorb (take in) the plasticizer and swell (enlarge), the details of which will be described later.
The vinyl chloride resin is not particularly limited as long as it is a polymer containing vinyl chloride, that is, an oligomer, a prepolymer and a polymer. For example, a vinyl chloride monomer or vinyl chloride and vinyl acetate, ethylene, or Examples thereof include copolymers with propylene and the like, and mixtures of two or more of these polymers.
The plasticizer is not particularly limited. For example, phthalate plasticizers such as DOP (dioctyl phthalate), DBP (dibutyl phthalate), DIBP (diisobutyl phthalate), and DHP (diheptyl phthalate), DOA ( Aliphatic dibasic ester plasticizers such as di-2-ethylhexyl adipate), DIDA (diisodecyl adipate), DOS (di-2-ethylhexyl sebacate), aromatic carboxylic acid esters such as benzoates of ethylene glycol And plasticizers, trimellitic acid ester plasticizers such as TOTM (trioctyl trimellitate), and the like, and one or more of them can be used in combination. By using these materials as a plasticizer, the plasticizer can be reliably absorbed by particles formed of a vinyl chloride resin by heating the molded body 30. That is, the function as a plasticizer for particles composed of a vinyl chloride resin can be reliably exhibited.

In addition, the resin composition (molded body 30) includes, in addition to particles composed of vinyl chloride resin and a plasticizer, a filler, a stabilizer, a stabilizer, a solvent, an ultraviolet absorber, a flame retardant, You may make it add a fiber reinforcing agent, a coloring agent, a lubricant, etc.
Examples of the filler include titanium oxide, clay, silica, calcium carbonate, barium sulfate, and the like, and one or more of these can be used in combination.
Examples of the stabilizer include zinc glycine and the like, and examples of the stabilizer in this case include tricresyl phosphate (TCP), trixyl phosphate (TXP), tributyl phosphate (TBP), tri-phosphate phosphate. And organic phosphoric acid esters such as 2-ethylhexyl and 2-ethylhexyl phosphate diphenyl.
Examples of the solvent include tetrahydrofuran, xylene, toluene and isopropyl alcohol.

The molded body 30 as described above can be manufactured, for example, as follows.
[1] First, a resin and a plasticizer composed of the above-described vinyl chloride resin, and other components are prepared, and these are uniformly mixed at room temperature using a mixer or the like to obtain a plastisol composition (mixture). )
The content of the plasticizer is preferably 40 to 80 parts by weight, more preferably 50 to 70 parts by weight, with respect to 100 parts by weight of the vinyl chloride resin. If the content is less than the lower limit, depending on the type of plasticizer, there is a possibility that sufficient flexibility cannot be imparted to the obtained molded body 30. Further, if the content exceeds the upper limit, depending on the type of plasticizer, the resulting molded body 30 is stretched too much, and the first member and the second member are firmly fixed to the molded body 30. There is a risk that it cannot be done.
In addition, when it contains a filler, the content is preferably 3 parts by weight or more and 15 parts by weight or less, preferably 5 parts by weight or more and 10 parts by weight or less, with respect to 100 parts by weight of the vinyl chloride resin. More preferably.
Further, when the stabilizer and the stabilizer are contained, the content of the stabilizer is preferably 0.1 parts by weight or more and 5 parts by weight or less with respect to 100 parts by weight of the vinyl chloride resin. More preferably 5 parts by weight or more and 3 parts by weight or less, and the content of the stabilizer is preferably 1 part by weight or more and 10 parts by weight or less with respect to 100 parts by weight of the vinyl chloride resin. More preferably, it is 3 parts by weight or more and 7 parts by weight or less.
The average particle size of the particles made of vinyl chloride resin is preferably about 0.05 μm or more and 10 μm or less, more preferably about 0.1 μm or more and 5 μm or less. As a result, the size of the particles dispersed in the plasticizer is within an appropriate range. Therefore, in the next step [2], when the plastisol composition is heated, the particles absorb the plasticizer and swell. However, even if the particles adjacent to each other may be adjacent to each other, the particles can be accurately suppressed or prevented.
Further, the shape of the particles composed of the vinyl chloride resin is preferably spherical, but in addition, for example, granules (a combination of a plurality of spherical bodies), pellets (lumps), blocks (For example, a porous body) can also be used. In addition, by making the particles spherical, the plasticizer can be more uniformly absorbed by one particle.

[2] Next, the obtained plastisol composition (mixture) is transferred from a mixer or the like to a predetermined container, and then a mold corresponding to the shape of the molded body 30 prepared in advance is immersed in the plastisol composition in the container. After that, the mold is pulled up to solidify the plastisol composition attached to the mold.
Thereby, the molded object 30 can be obtained.
In order to obtain the molded body 30, for example, the mold itself may be heated, or the plastisol composition may be directly heated, and the molded body 30 is heated by heating the plastisol composition. If it can process, it will not specifically limit.
By heating the plastisol composition as described above, the resin composition in which the particles are swollen (enlarged) is obtained by the particles absorbing (incorporating) the plasticizer.

Here, in the present invention, in such a resin composition, the particles are dispersed in the plasticizer, and the particles are swollen with a part of the plasticizer. That is, a part of the plasticizer is impregnated in the particles dispersed in the plasticizer. And although the particle | grains disperse | distributed in a plasticizer may be what is partially adjacent, it has comprised the state which is not coalescing (merging) mutually.
Normally, when the plastisol composition is heated, the particles are swollen due to the absorption of the plasticizer, the adjacent particles are adjacent to each other, and the particle interface is lost by coalescence. A homogeneous phase is formed by the vinyl chloride resin and the plasticizer.
On the other hand, in the present invention, the heating of the plastisol composition is stopped in a state where the particles are partially adjacent as described above but are not coalesced with each other. A resin composition is obtained.
By using the molded body 30 composed of such a resin composition for bonding the first member and the second member in a bonded body manufacturing method described later, the molded body 30 can be obtained without human intervention. When heated, the molded body 30 can be melted without contracting. Therefore, when the molded body 30 is melted and then cooled and solidified, the obtained solidified product can have substantially the same shape as the molded body 30. Therefore, the first member and the second member can be joined with the obtained solidified product by a simple operation of heating the molded body 30 uniformly.

The temperature at which the plastisol composition is heated varies slightly depending on the constituent materials of the plastisol composition, but is preferably about 120 ° C. or higher and 220 ° C. or lower, more preferably about 180 ° C. or higher and 200 ° C. or lower.
The time for heating the plastisol composition is slightly different depending on the constituent material of the plastisol composition, but is preferably about 0.01 hour or more and 5 hours or less, and preferably about 1 hour or more and 3 hours or less. More preferred.
By setting the conditions for heating the plastisol composition as described above, the particles that have absorbed the plasticizer can be ensured in a state where they are partially adjacent but are not united with each other.
Note that, when the plastisol composition is heated, the viscosity of the plastisol composition is preferably increased by heating under the above-described conditions due to the particles absorbing the plasticizer. It is set to about 10 ¹ Pa · s or more and about 1 × 10 ⁴ Pa · s or less, more preferably about 1 × 10 ² Pa · s or more and 1 × 10 ⁴ Pa · s or less. Thereby, since the degree of absorption of the plasticizer by the particles can be set to an appropriate range, the obtained resin composition can be more reliably dispersed in the plasticizer and a part of the plasticizer. The particles can be swollen.

In the step [1], when the content of the plasticizer in the plastisol composition is A [parts by weight], the particles swell in the molded body (resin composition) obtained in the step [2]. The content of the plasticizer that does not contribute to the particle size, that is, the content of the plasticizer in which the particles are dispersed is preferably about (0.6 to 0.95) × A [parts by weight]. More preferably, it is about 75 to 0.9) × A [parts by weight]. By satisfying such a relationship, the particles that have absorbed the plasticizer can be ensured in a state where they are partially adjacent but not united with each other.
Although the thickness of the obtained molded object 30 is not specifically limited, For example, it is preferable that it is about 0.1 mm or more and 5 mm or less, and it is more preferable that it is about 0.3 mm or more and 2 mm or less. Thereby, the 1st member and the 2nd member which should be joined can be joined certainly by molded object 30.
The thickness of the molded body 30 is set to a desired size by appropriately setting the time for immersing the mold in the plastisol composition, the temperature of the mold when immersed in the plastisol composition, and the like. be able to.
Further, the tensile strength (specified in JIS K 6251) of the molded body 30 is preferably set to 0.001 MPa or more and 8 MPa or less, more preferably 0.01 MPa or more and 7 MPa or less. In the molded body 30 within the range where the tensile strength is applied, handling is easy, workability is good, and workability is also good.
The molded body 30 can be obtained through the above steps.

Next, the manufacturing method of the joined body 1 using the molded object of this invention is demonstrated.
[A] First, the first member 10 and the second member 20 are prepared.
Each of the first and second members 10 and 20 is a flat metal plate whose surface corresponding to the developed view is coated (coated) with a resin, and includes a bottom 11, a rising surface 12, and a joint interior The flat surface 13 and the joint interior rising surface 14 can be obtained by bending them so as to be formed.

[B] Next, the first member 10 and the second member 20 are temporarily fixed.
First, the through-hole 115 is formed in the edge part by the side of the 4th edge | side 18 of the bottom part 11 about both the 1st member 10 and the 2nd member 20. FIG.
Next, similarly, a standing plate 19 having a through hole 115 is prepared, and the first member 10 and the second member 20 are arranged on the standing plate 19 in a state where the fourth sides 18 face each other. On the other hand, the first member 10 and the second member 20 are temporarily fixed by caulking the first member 10 and the second member 20 through the through holes 115, respectively.
Note that the temporary fixing of the first member 10 and the second member 20 using the standing plate 19 may be performed by caulking, bolts, adhesion, welding, or the like.

[C] Next, the molded body 30 is disposed at the joint 140 between the first member 10 and the second member 20 that are temporarily fixed.
In other words, in the present embodiment, the first portion 31, the second portion 32, the third portion 33, and the fourth portion 34 of the molded body 30 are the joint portion 141 between the bottom portions 11 and the rising surfaces 12 respectively. The molded body 30 is disposed in the vicinity of the boundary between the first member 10 and the second member 20 so as to correspond to the joint 142, the first defect 130, and the second defect 131.
[D] Next, in a state where the molded body 30 is disposed in the joint 140, the molded body 30 is melted by heating and then solidified by cooling.
Thereby, the first member 10 and the second member 20 are joined via the solidified molded body 30.

Here, as described above, the molded body 30 includes particles composed of a vinyl chloride resin and a plasticizer, and further, the particles are dispersed in the plasticizer and a part of the plasticizer. And is composed of a resin composition in which particles are swollen. In such a resin composition, particles dispersed in the plasticizer may be partially adjacent to each other, but are in a state where they are not united with each other.
In the molded body 30 having such a configuration, since the internal stress is small, in this step, when the molded body 30 is heated in a state where it is disposed in the joint portion 140, that is, without human intervention. When the molded body 30 is heated, the molded body 30 can be melted without contracting.
Therefore, when the molded body 30 is melted and then cooled and solidified, the obtained solidified product has a shape substantially similar to that of the molded body 30 before melting. Therefore, the 1st member 10 and the 2nd member 20 can be joined by the simple operation | work of heating the molded object 30 uniformly by the molded object 30 after solidification.

The molded body 30 can be heated by any method, but the atmosphere is preferably heated. Thereby, since the molded object 30 can be heated uniformly, since it can suppress or prevent thickness unevenness etc. arising in the molded object 30 after solidification exactly, the molded object 30 can be uniformly 1st. The member 10 and the second member 20 can be joined.
Furthermore, the molded body 30 may be heated under normal pressure, but is preferably performed under reduced pressure in the atmosphere. Accordingly, the first member and the second member can be prevented from being joined to each other by the solidified molded body 30 in a state where bubbles or the like remain. The member can be bonded more firmly.
Note that the heating of the atmosphere and the pressure reduction of the atmosphere as described above are performed by storing the first and second members 10 and 20 in a state where the molded body 30 is disposed in the joint 140 in the chamber, and heating the atmosphere. The pressure can be easily reduced by reducing the pressure.

The temperature of the atmosphere is preferably about 140 ° C. or more and 250 ° C. or less, and more preferably about 160 ° C. or more and 230 ° C. or less.
Furthermore, the heating time is preferably about 3 minutes to 30 minutes, more preferably about 5 minutes to 20 minutes.
By setting the conditions for heating the molded body 30 as described above, the molded body 30 can be reliably melted without contracting.
When heating the molded body 30, it is preferable to place the contact members corresponding to these shapes at positions corresponding to the first defect portion 130 and the second defect portion 131. Thereby, the third portion 33 and the fourth portion 34 can be reliably formed at positions corresponding to the first defect portion 130 and the second defect portion 131.
Further, the molded body 30 after being melted may be cooled, or may be forcedly cooled by blowing cold air or the like.
The joined body 1 is manufactured through the above steps.

Second Embodiment
Next, a second embodiment of a joined body obtained using the molded body of the present invention will be described.
FIG. 4 is a perspective view showing a second embodiment of the joined body. In the following description, the upper side in FIG. 4 is “upper” and the lower side is “lower”.
Hereinafter, the joined body 1 of the second embodiment will be described with a focus on the differences from the joined body 1 of the first embodiment, and the description of the same matters will be omitted.
The bonded body 1 shown in FIG. 4 is the same as the bonded body 1 shown in FIG. 1 except that the method of bonding the first member 10 and the second member 20 by the molded body 30 is different.
That is, in the joined body 1 of the second embodiment, the joint tape 40 is positioned at a position corresponding to the edge on the fourth side 18 side of the first and second members 10 and 20 in the joined portion 140. The joint tape 40 is interposed between the molded body 30 and the first and second members 10 and 20.

By making the joined body 1 have such a configuration, at a position corresponding to the edge of the first and second members 10 and 20 on the fourth side 18 side, the molded body 30 and the first and second parts The members 10 and 20 are not joined.
Accordingly, the vertical displacement between the first member 10 and the second member 20 is allowed. Therefore, even if a load is applied to the joined body 1 by a human or the casing 500 vibrates due to an earthquake or the like, the joined body 1 can absorb the load caused by these. Therefore, damage to the bonded body 1 can be reliably prevented.
In addition, as a method of interposing the joint tape 40 between the molded body 30 and the first and second members 10 and 20, the joint tape 40 is attached to the molded body 30 when the joined body 1 is manufactured. The joint tape 40 may be affixed to the first and second members 10 and 20.
The same effect as that of the first embodiment can be obtained by the joined body 1 of the second embodiment.

<Third Embodiment>
Next, a third embodiment of a joined body obtained using the molded body of the present invention will be described.
FIG. 5 is a perspective view showing a third embodiment of the joined body, and FIG. 6 is an exploded perspective view of the joined body shown in FIG. In the following description, the upper side in FIGS. 5 and 6 is “upper” and the lower side is “lower”.
Hereinafter, the joined body 1 according to the third embodiment will be described with a focus on differences from the joined body 1 according to the first embodiment, and description of similar matters will be omitted.
In the joined body 1 shown in FIG. 5, the configuration of the first member 10 and the second member 20 is different in the joined portion 140 that joins the first member 10 and the second member 20 with the molded body 30. Is the same as the joined body 1 shown in FIG.
That is, in the joined body 1 of the third embodiment, each of the first member 10 and the second member 20 includes a groove portion 185 whose thickness is reduced in at least a part of the joint portion 140. Yes.

  More specifically, in the inclined portion 111, a groove portion 181 is provided in a part of the joint portion 141 covered with the molded body 30, and in this embodiment, the depth thereof substantially matches the thickness of the molded body 30. Is set. Therefore, when the molded body 30 is joined so as to cover the inclined portion 111, a step is not formed at the position where the groove 181 is provided, and the molded body 30 located in the area where the groove 181 is provided. A continuous flat surface is formed by the upper surface and the upper surface of the inclined portion 111 located in the region where the groove portion 181 is not provided. As described above, since a continuous flat surface can be formed, a liquid such as rainwater flows through the inclined portion 111 covered with the waterproof sheet, but no step is formed in the region through which the liquid flows. The liquid can be smoothly moved in the flowing direction without blocking.

Further, on the rising surface 12, a groove portion 182 is provided in a part of the joint portion 142 covered with the molded body 30. In the present embodiment, the depth is set so as to substantially match the thickness of the molded body 30. Yes. Therefore, when the molded body 30 is joined so as to cover the rising surface 12, no step is formed at the position where the groove 182 is provided, and the molded body 30 located in the area where the groove 182 is provided. A continuous flat surface is formed by the upper surface and the upper surface of the rising surface 12 in the region where the groove 181 is not provided. Therefore, a liquid such as rainwater flows through the inclined portion 111 covered with the molded body 30. At this time, the stepped surface 12 which is the side surface of the flow path through which the liquid flows is not formed with a step. It can be composed of a continuous flat surface. Therefore, the liquid can be moved more smoothly in the flowing direction without causing the liquid to stay on the side surface.
The effect similar to the said 1st Embodiment is acquired also by the conjugate | zygote 1 of such 3rd Embodiment.

Moreover, in the manufacturing method of the joined body 1 in the present embodiment, in the step [D] described in the first embodiment, the molded body 30 is melted by heating in the state where the molded body 30 is disposed in the joint portion 140. Then, the first member 10 and the second member 20 are joined through the molded body 30 solidified by cooling and solidifying. At this time, in the region where the groove portion 185 of the joint portion 140 is not formed, a step is formed by joining the molded body 30, but in the region where the groove portion 185 of the joint portion 140 is formed, the molded body is formed. Since the thickness of 30 is set to be substantially equal to the depth of the groove 185, no step is formed. Therefore, a continuous flat surface is formed by the upper surface of the molded body 30 located in the region where the groove 185 is formed and the upper surfaces of the first and second members 10 and 20 located in the region where the groove 185 is not formed. It is formed. Therefore, even if a liquid such as rainwater flows in the region where the groove 185 is formed, the liquid can be smoothly moved in the flowing direction without damming.
In the present embodiment, the case where the groove portion 185 is formed in a part of the position corresponding to the joint portion 140 of the bottom portion 11 and the rising surface 12 is described. However, the present invention is not limited to such a case. The groove portion 185 may be formed in almost all positions corresponding to the joint portion 140 of the bottom portion 11 and the rising surface 12.

In the present embodiment, the depth of the groove 185 is substantially matched with the thickness of the molded body 30, and the upper surface of the molded body 30 located in the area where the groove 185 is provided and the area where the groove 185 is not provided. The case where a continuous flat surface is formed by the bottom portion 11 or the upper surface of the rising surface 12 is described. However, the present invention is not limited to this, and the depth of the groove portion 185 is larger than the region where the groove portion 185 is not formed. However, the thickness should just be thin. With such a configuration, even if the molded body 30 is joined to the region where the groove 185 is formed, the height of the step formed by sticking the molded body 30 can be reduced. Therefore, it is possible to reduce liquid damming due to this step, and as a result, it is possible to move the liquid in the flowing direction.
Further, when the depth of the groove portion 185 is deeper than the thickness of the molded body 30, a reinforcing member whose plan view shape corresponds to the shape of the groove portion 185 is interposed between the groove portion 185 and the molded body 30. It may be. By interposing such a reinforcing member, the upper surface of the molded body 30 located in the region where the groove portion 185 is provided, and the upper surface of the bottom portion 11 or the rising surface 12 located in the region where the groove portion 185 is not provided, A continuous flat surface can be formed.
Moreover, although this embodiment demonstrated the case where the 1st member 10 and the 2nd member 20 were joined by covering the junction part 140 with the one molded object 30, for example, two (plurality) shaping | molding You may make it cover the junction part 140 using a body. At this time, for example, when two molded bodies overlap in a part of the joint 140 and the overlapping portion coincides with the groove 185, the depth of the groove 185 is set to the total thickness of the two molded bodies. It is preferable to make them substantially coincide. Even with this configuration, a continuous flat surface is formed by the upper surface of the molded body located in the region where the groove portion 185 is provided and the upper surface of the bottom portion 11 or the rising surface 12 located in the region where the groove portion 185 is not provided. Can be formed.

<Fourth embodiment>
Next, a fourth embodiment of a joined body obtained using the molded body of the present invention will be described.
FIG. 7 is a perspective view showing a fourth embodiment of the joined body of the present invention. In the following description, the upper side in FIG. 7 is “upper” and the lower side is “lower”.
Hereinafter, the joined body 1 ′ of the fourth embodiment will be described focusing on the differences from the joined body 1 of the third embodiment, and description of similar matters will be omitted.

In the present embodiment, the joined body 1 ′ includes a first wall portion standing upright from the floor portion and a second wall portion standing upright from the floor portion in the corner portion of the housing in the third embodiment. It is used by being arranged on the vicinity of the protruding portion provided to intersect at a right angle so as to protrude from the described corner portion. That is, the joined body 1 ′ is used by being disposed at a position where water flowing on the housing 500 is bent.
In the present embodiment, the bottom portion 11 is surrounded by the first side 15, the second side 16, the third side 17, and the fourth side 18 in a plan view as viewed from the upper side of FIG. 7. The first side 15 and the second side 16 have an upper base and a lower base, and the third side 17 and the fourth side 18 have a trapezoidal shape.

Further, the third side 17 is orthogonal to the first side 15, and the fourth side 18 is provided so as to intersect with the first side 15 so as to be approximately 135 °.
The first member 10 ′ having such a configuration has a substantially line-symmetric shape with respect to the second member 20 ′ and the fourth side 18.
Therefore, since the fourth side 18 is provided so as to intersect with the first side 15 so as to be approximately 135 °, as shown in FIG. 7, the fourth side 18 of the first member 10 ′ The side 18 of the second member 20 and the fourth side 18 of the second member 20 ′ are opposed to each other, thereby forming the rising surface 12 of the first member 10 ′ and the rising surface 12 of the second member 20 ′. Since the angle is 270 ° on the side where the bottom portion 11 protrudes, the rising surface 12 of the first member 10 ′ and the rising surface 12 of the second member 20 ′ are arranged so as to be orthogonal to each other. Is done. In this embodiment, the joined body 1 ′ is a state in which the first member 10 ′ and the second member 20 ′ are joined via the molded body 30, and the joined body 1 ′ is the floor. A first wall portion standing from the floor portion and a second wall portion standing from the floor portion are arranged and used on the vicinity of the protruding portion provided at a right angle.

  Also in the joined body 1 ′ having such a configuration, a groove 181 is provided at a part of the position corresponding to the joined part 141 covered with the molded body 30 at the edge part on the fourth side 18 side in the inclined part 111. The depth is set so as to substantially match the thickness of the molded body 30. Therefore, when the molded body 30 is pasted so as to cover the inclined portion 111, no step is formed at the position where the groove 181 is provided, and the molded body 30 located in the area where the groove 181 is provided. A continuous flat surface is formed by the upper surface and the upper surface of the inclined portion 111 located in the region where the groove portion 181 is not provided. As described above, since a continuous flat surface can be formed, a liquid such as rainwater flows through the inclined portion 111 covered with the waterproof sheet, but no step is formed in the region through which the liquid flows. The liquid can be smoothly moved in the flowing direction without blocking.

  Further, a groove portion 182 is provided in a part of the position corresponding to the joint portion 142 covered with the molded body 30 at the edge portion on one short side of the rising surface 12, and the depth thereof is the thickness of the molded body 30. Is set to almost match. Therefore, when the molded body 30 is pasted so as to cover the rising surface 12, no step is formed at the position where the groove 182 is provided, and the molded body 30 located in the area where the groove 182 is provided. A continuous flat surface is formed by the upper surface and the upper surface of the rising surface 12 in the region where the groove 181 is not provided. Accordingly, liquid such as rainwater flows through the inclined portion 111 covered with the waterproof sheet, but at this time, the rising surface 12 which is the side surface of the flow path through which the liquid flows is not formed with a step, Since it can comprise a continuous flat surface, the liquid can be moved more smoothly in the flowing direction without causing the liquid to stay on the side surface.

<Fifth Embodiment>
Next, a description will be given of a fifth embodiment of a joined body obtained using the molded body of the present invention.
FIG. 8 is a perspective view showing a fifth embodiment of the joined body of the present invention. In the following description, the upper side in FIG. 8 is “upper” and the lower side is “lower”.
Hereinafter, the joined body 1 ″ of the fifth embodiment will be described with a focus on differences from the joined body 1 of the third embodiment, and description of similar matters will be omitted.

In the present embodiment, the joined body 1 ″ is provided along the first wall portion in the vicinity of the center portion of the first wall portion (or the second wall portion) standing from the floor portion of the housing. It is used by being arranged on the vicinity of the merged portion where the recessed portion provided so as to merge from the center side of the floor portion merges with the recessed portion. That is, in the joined body 1 ″, the water flowing on the housing 500 joins. It is used by arranging it at the position to be.
In this joined body 1 ″, the first member 10 ″ has a configuration in which two first members 10 described in the third embodiment are connected, and the second member 20 ″ has The configuration is such that two second members 20 described in the third embodiment are connected.
That is, the second member 20 ″ is formed by connecting the two second members 20 to the fourth member 20 so that the first side 15 of the second member 20 described in the third embodiment is in a straight line. In a state in which the sides 18 are close to each other (opposed), the imaginary lines shown in FIG.
Further, in the first member 10 ″, the formation of the rising surface 12, the joint inner plane 13 and the joint inner rising surface 14 in the first member 10 described in the third embodiment is omitted, and the formation thereof is omitted. Further, the first sides 15 of the two first members 10 are opposed to each other, and are connected at an imaginary line (first side 15) shown in FIG.

Also in the present embodiment, the two bottom portions 11 of the first member 10 ″ have the first side 15, the second side 16, and the third side 17 in a plan view as viewed from the upper side in FIG. Are trapezoidal with the first side 15 and the second side 16 as the upper and lower bases, and the third side 17 and the fourth side 18 as legs. Further, the two bottom portions 11 of the second member 20 ″ are also viewed in a plan view as viewed from the upper side in FIG. 8. The first side 15, the second side 16, and the third side 17 A trapezoidal shape with the first side 15 and the second side 16 as the upper and lower bases, and the third side 17 and the fourth side 18 as legs. Yes.
Further, in both the first and second members 10 ″ and 20 ″, the third side 17 included in each bottom portion 11 is orthogonal to the first side 15 and the fourth side 18 is the first side. It is provided so as to intersect with the side 15 at an angle of approximately 45 °.
Accordingly, in the second member 20 ″, a space is formed between the two opposing fourth sides 18, and the angle formed by the two fourth sides 18 in this space is approximately 90 °. Further, in the first member 10 ″, the bottom 11 is located between the two opposing fourth sides 18, and the angle formed by the two fourth sides 18 in the bottom 11 is as follows. It is almost 90 °.
Therefore, the first member 10 ″ is disposed in this space so that the fourth sides 18 of the first and second members 10 ″ and 20 ″ are in contact with each other, thereby forming a joint. A flow path (groove) formed by the two inclined portions 111 in the first member 10 ″ is formed in the body 1 ″ by a flow path (groove portion) formed by the inclined portions 111 and the rising surface 12 in the second member 20 ″ ( It is possible to have a structure that joins the groove portion).

In this state, the first member 10 and the second member 20 are bonded to each other through the molded body 30, and the bonded body 1 ″ is along the first wall portion. The recessed portion provided in this way is used by being disposed on the vicinity of the joining portion where the recessed portion provided so as to join from the center side of the floor portion joins.
Also in the joined body 1 ″ having such a configuration, a groove portion 181 is provided at a part of the position corresponding to the joined portion 141 covered with the molded body 30 on the edge portion on the fourth side 18 side in the inclined portion 111. The depth is set to substantially coincide with the thickness of the molded body 30. Therefore, when the molded body 30 is pasted so as to cover the inclined portion 111, at the position where the groove 181 is provided. A step is not formed, and a continuous flat surface is formed by the upper surface of the molded body 30 located in the region where the groove portion 181 is provided and the upper surface of the inclined portion 111 located in the region where the groove portion 181 is not provided. In this way, since a continuous flat surface can be formed, a liquid such as rainwater flows through the inclined portion 111 covered with the waterproof sheet, but no step is formed in the region where the liquid flows. That Without damming a liquid, it can be moved smoothly to the flow direction.

Further, a groove 182 is provided at a part of the center of the rising surface 12 corresponding to the joint 142 covered with the molded body 30 so that the depth thereof substantially matches the thickness of the molded body 30. Is set. Therefore, when the molded body 30 is pasted so as to cover the rising surface 12, no step is formed at the position where the groove 182 is provided, and the molded body 30 located in the area where the groove 182 is provided. A continuous flat surface is formed by the upper surface and the upper surface of the rising surface 12 in the region where the groove 181 is not provided. Accordingly, liquid such as rainwater flows through the inclined portion 111 covered with the waterproof sheet, but at this time, the rising surface 12 which is the side surface of the flow path through which the liquid flows is not formed with a step, Since it can comprise a continuous flat surface, the liquid can be moved more smoothly in the flowing direction without causing the liquid to stay on the side surface.
In addition, in each embodiment, although the case where the 1st member 10 and the 2nd member 20 of the above structures were joined using the molded object 30 was not limited, in such a case, it is 1st Depending on the shape of the member and the second member, the first member and the second member may be joined using a resin sheet having a sheet shape (the resin sheet of the present invention), or powder, lump or You may join a 1st member and a 2nd member using the resin composition (resin composition of this invention) which makes a tablet shape etc.

As mentioned above, although the resin composition, the resin sheet, the molded object, and the joined body of this invention were demonstrated, this invention is not limited to these.
For example, in the resin sheet, the molded body, and the bonded body of the present invention, each configuration can be replaced with any one that can exhibit the same function, or any configuration can be added.
Moreover, in each said embodiment, although the case where two members were joined as a conjugate | zygote via a molded object was demonstrated to an example, it is not limited to such a case, For example, a conjugate | zygote has three or four, For example, three or more members may be joined via a molded body, that is, a plurality of members may be joined via a molded body. In this case, the members may be joined using one molded body having a shape corresponding to one joint portion, or one molded body having a shape corresponding to two or more joint portions may be used. The members may be joined together.
Further, when three or more members are joined together via the resin sheet as described above, for example, another member is joined to the third side 17 at the bottom of the first and second members. The Rukoto. Therefore, you may make it provide a groove part in a part of position corresponding to the junction part covered with the resin sheet in the edge part by the side of the 3rd edge | side 17 of the said bottom part.
Moreover, the member with which the joined body is provided is not limited to the one having the above-described shape, and may have any shape, for example, may have a flat plate shape. That is, the joined body may be a member in which two flat members are joined via a molded body.

Next, specific examples of the present invention will be described.
In addition, this invention is not limited to description of these Examples at all.
1. Production of resin sheet [Example]
First, particles (average particle diameter 1 μm) composed of a vinyl chloride monomer polymer and DOP (dialkyl phthalate (C10-13)) as a plasticizer were prepared, respectively, with respect to 100 parts by weight of the particles. These were mixed uniformly at 25 ° C. using a mixer at a mixing ratio of 50 parts by weight of a plasticizer to obtain a plastisol composition.
Next, the plastisol composition was heated and kneaded at 200 ° C. for 5 minutes using a roll, then formed into a sheet shape, and then cooled to obtain the resin sheet of the example.
[Comparative example]
As particles, a resin sheet (degree of polymerization 1300) composed of a vinyl chloride monomer was prepared.

2. 2. Evaluation of resin sheet 2-1. Evaluation of Tensile Strength of Resin Sheet With respect to the resin sheets of Examples and Comparative Examples, the tensile strength of the resin sheet was determined in the following manner based on the tensile strength test (specified in JIS K 6251).
That is, first, as shown in FIG. 9, the resin sheets obtained in the examples and comparative examples were each punched out using a punching blade, whereby a parallel part width of 5 mm and an initial distance between marked lines (between grippers) Distance) Four 60 mm dumbbell-shaped test pieces were prepared. The punching of the resin sheet was performed twice in each of a direction parallel to the stretching direction of the resin sheet and a direction perpendicular to the resin sheet, thereby obtaining a dumbbell-shaped test piece.
Next, after measuring the initial thickness of each dumbbell-shaped test piece, the test piece was pulled using an autograph precision universal testing machine (manufactured by Shimadzu Corp., Auto Club AGS-J) until it was cut. The maximum tensile force recorded at the time was measured.
And about each dumbbell-shaped test piece, the tensile strength of each dumbbell-shaped test piece was calculated | required by remove | dividing the largest measured tensile force by an initial cross-sectional area. Furthermore, about the Example and the comparative example, the tensile strength of the resin sheet of an Example and a comparative example was obtained by calculating | requiring the average value of the tensile strength of four dumbbell-shaped test pieces, respectively.
As a result, the tensile strength of the resin sheet of the example was 3 MPa, the handling was easy, the workability was good, and the workability was good. On the other hand, the resin sheet of the comparative example The tensile strength of was 13 MPa.

2-2. Evaluation of Bonded Body Obtained Using Resin Sheet A bonded body was obtained by bonding two members having a flat plate shape using the resin sheets of Examples and Comparative Examples as follows.
That is, four members having a flat plate shape in which a surface of a stainless steel plate having a length of 50 mm, a width of 50 mm, and an average thickness of 0.5 mm was coated with polyvinyl chloride having an average thickness of 0.4 mm were prepared.
Next, after arranging the two plate-shaped members so that the sides of these members are opposed to each other, the size of 50 mm in length and 10 mm in width so as to cover the edges on the opposite sides. A resin sheet was placed. Thereafter, the resin sheet is heated and melted in a chamber at 200 ° C. for 10 minutes, and then solidified, whereby the two flat members are joined together via the resin sheet. Got the body.
Subsequently, the bonded body of the comparative example was obtained in the same manner as described above except that the resin sheet of the comparative example was used instead of the resin sheet of the example as the resin sheet.

  About the joined bodies of Examples and Comparative Examples obtained as described above, when observed visually, in the joined bodies of Examples, the resin sheet after melting and solidification is almost the same as the resin sheet before melting. The two members had the same shape and size, and the two members were satisfactorily bonded via the resin sheet without contracting. On the other hand, in the joined body of the comparative example, the resin sheet after melting and solidification is shrunk, and due to this, the two members cannot be joined satisfactorily, The resin sheet peeled off from the two members with only a slight load.

DESCRIPTION OF SYMBOLS 1 Joint body 1 'Joint body 1 "Joint body 10 1st member 10' 1st member 10" 1st member 11 Bottom part 12 Standing surface 13 Joint internal plane 14 Joint internal standing surface 15 1st edge 16 2nd Side 17 third side 18 fourth side 19 standing plate 20 second member 20 ′ second member 20 ”second member 30 molded body 31 first part 32 second part 33 third part 34 Fourth portion 40 Joint tape 110 Flat portion 111 Inclined portion 115 Through hole 120 Space 130 First defect portion 131 Second defect portion 140 Joint portion 141 Joint portion 142 Joint portion 181 Groove portion 182 Groove portion 185 Groove portion 500 Housing 510 Floor 511 Recessed part (groove)
520 1st wall part 521 Projection part 530 2nd wall part

Claims (13)

Including particles composed of vinyl chloride resin and a plasticizer,
A resin composition in which the particles are dispersed in the plasticizer and the particles are swollen by a part of the plasticizer.   The resin composition according to claim 1, wherein the particles are partially adjacent to each other in the resin composition, but are not united.   The resin composition according to claim 1 or 2, wherein the particles swell when the particles absorb the plasticizer by heating the plastisol composition containing the particles and the plasticizer.   4. The resin composition according to claim 3, wherein the plasticizer is blended in an amount of 40 to 80 parts by weight with respect to 100 parts by weight of the vinyl chloride resin in the plastisol composition.   5. The resin composition according to claim 3, wherein the particles have an average particle size of 0.05 μm or more and 10 μm or less in the plastisol composition.   A resin sheet formed by forming the resin composition according to claim 1 into a sheet shape.   The resin sheet according to claim 6, wherein the tensile strength (specified in JIS K 6251) is 0.001 MPa or more and 8 MPa or less.   The molded object formed using the resin sheet of Claim 6 or 7.   The molded body according to claim 8, which is used so as to cover a joint portion obtained by joining two members made of a metal plate whose surfaces are coated with a resin, and has a shape corresponding to the joint portion. A first member having a bottom and a rising surface standing from an edge of the bottom; and a second member having a bottom and a rising surface standing from the edge of the bottom. Used to join so that the surfaces are orthogonal,
The molded body according to claim 9, which has a shape corresponding to a joint portion between the bottom portions and a joint portion between the rising surfaces. The first member and the second member each have a joint internal plane that protrudes from the upper end of the rising surface to the opposite side of the bottom,
On the joint portion side between the rising surfaces, a first defect portion is formed between an end portion of the joint inner plane of the first member and an end portion of the joint inner plane of the second member. ,
The molded body according to claim 10, further comprising a portion that supplements the first defect portion. Each of the first member and the second member has a joint interior rising surface projecting upward from an end opposite to the bottom of the joint interior plane,
On the joint portion side between the rising surfaces, a second defect portion is provided between an end portion of the joint internal rising surface of the first member and an end portion of the joint internal rising surface of the second member. Formed,
The molded body according to claim 11, further comprising a portion that compensates for the second defect portion.   A joined body obtained by joining the two metal plates using the resin sheet according to claim 6 or 7 or the molded body according to any one of claims 8 to 12.

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