JP2001088146A - Production of artificial marble - Google Patents
Production of artificial marbleInfo
- Publication number
- JP2001088146A JP2001088146A JP27338199A JP27338199A JP2001088146A JP 2001088146 A JP2001088146 A JP 2001088146A JP 27338199 A JP27338199 A JP 27338199A JP 27338199 A JP27338199 A JP 27338199A JP 2001088146 A JP2001088146 A JP 2001088146A
- Authority
- JP
- Japan
- Prior art keywords
- artificial marble
- mold
- synthetic resin
- resin
- back surface
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Panels For Use In Building Construction (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Molding Of Porous Articles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、家具の部材や建材
として用いられる人造大理石の製造方法に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing artificial marble used as furniture members or building materials.
【０００２】[0002]
【従来の技術】従来から合成樹脂と充填剤と柄を表現す
る柄材、硬化剤などの添加物を配合した人造大理石組成
物を所望の形状の金型に注型し、加熱してこの注型物を
硬化させることにより人造大理石を形成することが行わ
れている。2. Description of the Related Art Conventionally, an artificial marble composition containing an additive such as a synthetic resin, a filler, a pattern material expressing a pattern, and a curing agent is cast into a mold having a desired shape, and heated to form a mold. 2. Description of the Related Art Artificial marble is formed by curing a mold.
【０００３】原料となる合成樹脂としては、従来よりポ
リエステル系、アクリル系、ビニルエステル系などが用
いられ、また、充填剤としては水酸化アルミニウム、炭
酸カルシウム、シリカ、ガラスパウダーなどが用いら
れ、また、柄を表現する柄材が添加されている。As a synthetic resin as a raw material, polyester type, acrylic type, vinyl ester type and the like have been conventionally used, and as a filler, aluminum hydroxide, calcium carbonate, silica, glass powder and the like have been used. , A pattern material expressing a pattern is added.
【０００４】こうして得られる人造大理石のの成形品
は、必要な成形品強度を得るために人造大理石の成形品
厚みを厚くすると人造大理石の成形品重量が重くなり、
運搬や施工が大変になってくる。一方、厚みを薄くする
と人造大理石の成形品重量は軽くなり、運搬や施工は楽
になるが人造大理石の成形品強度が低下してしまうとい
う相反する状態にあった。[0004] In the artificial marble molded product thus obtained, if the thickness of the artificial marble molded product is increased in order to obtain the required molded product strength, the artificial marble molded product weight increases,
Transportation and construction become difficult. On the other hand, when the thickness is reduced, the weight of the artificial marble becomes lighter, which makes transportation and construction easier, but the strength of the artificial marble is reduced, which is in a contradictory state.
【０００５】特に、柄を表現する柄材が添加される系に
おいては、その添加量が増えれば増えるほど人造大理石
の成形品強度が低下してしまい、どんどん人造大理石の
成形品厚みを厚くしていく必要があった。[0005] In particular, in a system to which a pattern material expressing a pattern is added, as the amount of addition increases, the strength of the artificial marble decreases, and the thickness of the artificial marble increases. I needed to go.
【０００６】通常、これを補うためにある人造大理石の
成形品厚みに仕上げたものの裏面に合板などの補強板を
貼り付けて製品化することが行われている。しかし、貼
り合わせる補強板を成形品寸法にその都度切断し、接着
剤を塗布して圧着する工程は非常に複雑で手間がかか
り、また時間もかかるものであった。更に、均一接着が
難しいため、接着不良が発生したりして品質の信頼性に
欠ける面も多かった。[0006] Usually, in order to compensate for this, a product made by finishing a molded product of artificial marble to a certain thickness is attached to a back surface of a plywood or the like. However, the process of cutting the reinforcing plate to be bonded to the size of the molded product each time, applying an adhesive, and compressing it is extremely complicated, time-consuming, and time-consuming. Furthermore, since uniform bonding is difficult, there are many surfaces that lack reliability in quality due to poor bonding or the like.
【０００７】[0007]
【発明が解決しようとする課題】本発明は上記の点に鑑
みてなされたものであり、人造大理石の成形品の裏面に
合板などの補強板を貼り付けることなく、また、柄を表
現する部材が多く配合される系においても、必要な成形
品強度を確保して品質的に信頼性のある人造大理石の製
造方法を提供することを課題とするものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and is a member for expressing a pattern without attaching a reinforcing plate such as plywood to the back surface of an artificial marble molded product. It is an object of the present invention to provide a method for producing artificial marble which is reliable in terms of quality by securing necessary molded article strength even in a system in which a large amount of is blended.
【０００８】[0008]
【課題を解決するための手段】上記課題を解決するため
に本発明に係る人造大理石の製造方法は、人造大理石の
成形品の裏面に接着性を有する合成樹脂をインモールド
で成形することを特徴とするものである。このような方
法を採用することで、インモールド成形により人造大理
石の成形品の裏面に合成樹脂が一体化し、これにより人
造大理石の成形品の裏面が一体化された合成樹脂の層に
より補強されることになる。Means for Solving the Problems In order to solve the above problems, a method for producing artificial marble according to the present invention is characterized in that a synthetic resin having adhesive properties is molded in-mold on the back surface of a molded article of artificial marble. It is assumed that. By adopting such a method, the synthetic resin is integrated with the back surface of the artificial marble molded product by in-mold molding, whereby the back surface of the artificial marble molded product is reinforced by the integrated synthetic resin layer. Will be.
【０００９】また、合成樹脂として、ウレタン系、ポリ
エステル系、ビニルエステル系、アクリル系のものを少
なくとも一種類用いることが好ましいものである。ま
た、合成樹脂を発泡させることが好ましく、合成樹脂を
発泡させることで、人造大理石の成形品の裏面が合成樹
脂の層により補強されたものにおいて、軽量化が図れる
ことになる。そして、合成樹脂を発泡させる場合におけ
る発泡倍率は２〜５倍であることが好ましいものであ
る。It is preferable to use at least one urethane-based, polyester-based, vinyl ester-based, or acrylic-based synthetic resin. In addition, it is preferable to foam the synthetic resin, and by foaming the synthetic resin, it is possible to reduce the weight of the artificial marble molded product whose back surface is reinforced by the synthetic resin layer. It is preferable that the expansion ratio when the synthetic resin is expanded is 2 to 5 times.
【００１０】[0010]
【発明の実施の形態】以下、本発明を実施形態に基づい
て説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described based on embodiments.
【００１１】人造大理石の成型は、合成樹脂と充填剤と
柄を表現する柄材、硬化剤などの添加物を配合した樹脂
組成物を所定の形状の金型に注型し、加熱してこの注型
物を硬化させることにより行われるものである。すなわ
ち、原料となる合成樹脂としては、ポリエステル系、ア
クリル系、ビニルエステル系などが用いられ、充填剤と
しては、水酸化アルミニウム、炭酸カルシウム、シリ
カ、ガラスパウダーなどが用いられ、また、柄を表現す
る柄材が添加されている。更に、硬化剤などの添加物を
適量添加した樹脂組成物を上下型からなる所定形状の注
入成形用の金型に注型し、８０〜１１０℃で３０〜１２
０分間加熱して硬化させ、金型を開いて人造大理石の成
形品を得る。In order to mold artificial marble, a resin composition containing additives such as a synthetic resin, a filler, a pattern material expressing a pattern, and a hardening agent is cast into a mold having a predetermined shape, and heated. This is performed by curing the casting. That is, as a synthetic resin as a raw material, a polyester resin, an acrylic resin, a vinyl ester resin, or the like is used, and as a filler, aluminum hydroxide, calcium carbonate, silica, glass powder, or the like is used. Pattern material is added. Further, the resin composition to which an appropriate amount of an additive such as a curing agent is added is cast into a casting mold having a predetermined shape composed of upper and lower dies, and is heated at 80 to 110 ° C. for 30 to 12 hours.
Heat for 0 minutes to cure, open the mold and obtain a molded article of artificial marble.
【００１２】成形品の厚みはその上下型からなる注入成
型用の金型のクリアランスを調整することにより設定さ
れる。そして、本発明においては、この加熱して得られ
た人造大理石の成形品を金型の内部に置いたまま、金型
のクリアランスを大きく設定し、できた成形品と上金型
との間の隙間（成形品の裏面）に接着性を有する合成樹
脂を注入してインモールド成形を行い、これにより成形
品の裏面に合成樹脂の層を一体化するものである。[0012] The thickness of the molded product is set by adjusting the clearance of the injection mold composed of the upper and lower dies. Then, in the present invention, while the molded article of artificial marble obtained by heating is placed inside the mold, the clearance of the mold is set large, and the distance between the formed molded article and the upper mold is increased. A synthetic resin having an adhesive property is injected into the gap (the back surface of the molded product) to perform in-mold molding, thereby integrating the synthetic resin layer on the back surface of the molded product.
【００１３】ここで注入する合成樹脂は、接着性を有す
る合成樹脂でウレタン系、ポリエステル系、ビニルエス
テル系、アクリル系等、あるいはこれらの合成樹脂の２
つあるいはそれ以上の複合系で用いることができるもの
である。The synthetic resin to be injected here is a synthetic resin having an adhesive property, such as a urethane-based, polyester-based, vinyl ester-based, or acrylic-based synthetic resin.
It can be used in one or more complex systems.
【００１４】更に、軽量化あるいは材料コストを削減す
る狙いでこれらの合成樹脂は発泡させた形で用いるのが
好ましい。発泡方式としては、発泡剤を添加する方法や
窒素ガスや炭酸ガスなどの不活性ガスを吹き込む方法な
どを用いることができる。また、発泡したものを金型へ
注入する方法、注入した合成樹脂を金型内で発泡させる
方法を用いることができる。発泡倍率は狙いの強度に従
い設定されるが、概ね２〜５倍程度の発泡倍率とするの
が好ましいものである。Further, these synthetic resins are preferably used in a foamed form for the purpose of reducing the weight or reducing the material cost. As the foaming method, a method of adding a foaming agent, a method of blowing an inert gas such as a nitrogen gas or a carbon dioxide gas, or the like can be used. Further, a method of injecting the foamed material into a mold and a method of foaming the injected synthetic resin in the mold can be used. Although the expansion ratio is set in accordance with the intended strength, it is preferable that the expansion ratio be approximately 2 to 5 times.
【００１５】また、これらの合成樹脂の注入に当たって
は、合成樹脂と硬化剤を予め混合したものを注入する方
法と、合成樹脂と硬化剤をスタティクミキサーなどで同
時に混合しながら注入する方法など、どちらでも対応可
能である。また、合成樹脂に各種着色剤（トナー）を添
加して着色して用いることもできる。For injecting these synthetic resins, a method of injecting a mixture of the synthetic resin and the hardener in advance, a method of injecting the synthetic resin and the hardener simultaneously while mixing them with a static mixer, and the like, may be used. Either can be supported. Further, various kinds of coloring agents (toners) may be added to the synthetic resin for coloring.
【００１６】このようにして製造された人造大理石は、
人造大理石の成形品部分の裏面に合成樹脂の層が形成さ
れて、この裏面に形成された合成樹脂の層が補強層とな
り、この結果、人造大理石の成形品の裏面に合板などの
補強板を貼り付けることなしに、また、柄を表現する柄
材が多く配合される系においても、必要な製品強度を確
保して品質的に信頼性のある優れた人造大理石とするこ
とができるものである。The artificial marble thus produced is
A synthetic resin layer is formed on the back surface of the artificial marble molded part, and the synthetic resin layer formed on this back surface serves as a reinforcing layer.As a result, a reinforcing plate such as plywood is provided on the back surface of the artificial marble molded product. Without sticking, and even in a system where a lot of pattern materials expressing the pattern are blended, it is possible to secure the required product strength and to make an excellent artificial marble with high quality reliability. .
【００１７】更に、合成樹脂の層を発泡体の形態とする
ことで、製品の軽量化と材料コストの削減により製品価
格の低減を図ることができるものである。Further, by forming the synthetic resin layer in the form of a foam, it is possible to reduce product weight by reducing product weight and material cost.
【００１８】[0018]
【実施例】以下、本発明を実施例により具体的に説明す
る。 （実施例１）ビニルエステル樹脂として（武田薬品
（株）製のプロミネートＰ−３１１）を１００重量部、
充填剤として用いる水酸化アルミニウム（住友化学
（株）製のＣＷ−３２５Ｊ）を２００重量部配合し、更
に、グレー色のトナーを０．５重量部添加し、更に、硬
化剤として（日本油脂（株）製のパーキュアＨＯ）を適
量添加し、３０Ｔｏｒｒの減圧下で真空脱泡しながら攪
拌機で混合撹拌して樹脂組成物を調製した。これを５ｍ
ｍのクリアランスを設定した金型に注入し８０℃で９０
分間加熱して硬化させた。次に、この金型の上型を調整
して１０ｍｍ厚のクリアランスに設定した。金型内の人
造大理石の硬化物の上方の５ｍｍの隙間に、あらかじめ
硬化剤と発泡剤を添加して発泡倍率を２倍に調整したウ
レタン樹脂を注入し、更に、５０℃で５分間加熱して、
裏面部に発泡ウレタン樹脂を一体化したグレー色の人造
大理石を得た。 （実施例２）ビニルエステル樹脂として（昭和高分子
（株）製のリポキシ Ｒ−８０４）を１００重量部、充
填剤として用いる水酸化アルミニウム（昭和電工（株）
製のＨ−３１０）を２１０重量部配合し、更に、ホワイ
ト色のトナーを０．３重量部添加し、更に、硬化剤とし
て（日本油脂（株）製のパーキュアＷＯ）を適量添加
し、２０Ｔｏｒｒの減圧下で真空脱泡しながら攪拌機で
混合撹拌して樹脂組成物を調製した。これを４ｍｍのク
リアランスを設定した金型に注入し８０℃で９０分間加
熱して硬化させた。次に、この金型の上型を調整して１
２ｍｍ厚のクリアランスに設定した。金型内の人造大理
石の硬化物の上方の８ｍｍの隙間に、あらかじめ硬化剤
と発泡剤を添加して発泡倍率を３倍に調整したウレタン
樹脂を注入し、更に、６０℃で４分間加熱して、裏面部
に発泡ウレタン樹脂を一体化したホワイト色の人造大理
石を得た。 （実施例３）ビニルエステル樹脂として（武田薬品
（株）製のプロミネートＰ−３１０）を１００重量部、
充填剤として用いる水酸化アルミニウム（住友化学
（株）製のＣＷ−３０８Ｂ）を２１０重量部配合し、更
に、ベージュ色のトナーを０．３重量部添加し、更に、
硬化剤として（日本油脂（株）製のパーキュアＨＯ）を
適量添加し、２５Ｔｏｒｒの減圧下で真空脱泡しながら
攪拌機で混合撹拌して樹脂組成物を調製した。これを５
ｍｍのクリアランスを設定した金型に注入し８０℃で９
０分間加熱して硬化させた。次に、この金型の上型を調
整して１５ｍｍ厚のクリアランスに設定した。金型内の
人造大理石の硬化物の上方の１０ｍｍの隙間に、あらか
じめ硬化剤を添加して窒素ガスを吹き込んで４倍に発泡
させたポリエステル樹脂を注入し、更に、８０℃で３０
分間加熱して、裏面部に発泡ポリエステルを一体化した
ベージュ色の人造大理石を得た。 （実施例４）ビニルエステル樹脂として（ダウケミカル
（株）製のＤＥＲＡＫＡＮＥ ４１１−４５）を１１０
重量部、充填剤として用いる水酸化アルミニウム（住友
化学（株）製のＣＷ−３２５ＬＶ）を２３０重量部配合
し、更に、ホワイト色のトナーを０．２５重量部添加
し、更に、硬化剤として（日本油脂（株）製のパーキュ
アＷＯ）を適量添加し、２０Ｔｏｒｒの減圧下で真空脱
泡しながら攪拌機で混合撹拌して樹脂組成物を調製し
た。これを５ｍｍのクリアランスを設定した金型に注入
し８０℃で９０分間加熱して硬化させた。次に、この金
型の上型を調整して１２ｍｍ厚のクリアランスに設定し
た。金型内の人造大理石の硬化物の上方の７ｍｍの隙間
に、あらかじめ硬化剤を添加して炭酸ガスを吹き込んで
３倍に発泡させたポリエステル樹脂／ウレタン樹脂＝５
０／５０の複合物を注入し、更に、９０℃で２０分間加
熱して、裏面部に発泡ポリエステル樹脂と発泡ウレタン
樹脂の複合物を一体化したホワイト色の人造大理石を得
た。 （実施例５）ビニルエステル樹脂として（昭和高分子
（株）製のリポキシ Ｒ−８０４）を８０重量部とノボ
ラック型樹脂として（昭和高分子（株）製のＨ−６０
０）を２５重量部、充填剤として用いる水酸化アルミニ
ウム（住友化学（株）製のＣＷ−３２５Ｊ）を１００重
量部とガラスパウダー（日本フリット（株）製のＣＦ０
０２−１００）を１００重量部配合し、更に、ブラック
色のトナーを０．１５重量部添加し、更に、硬化剤とし
て（日本油脂（株）製のパーキュアＨＯ）を適量添加
し、１５Ｔｏｒｒの減圧下で真空脱泡しながら攪拌機で
混合撹拌して樹脂組成物を調製した。これを１０ｍｍの
クリアランスを設定した金型に注入し８０℃で９０分間
加熱して硬化させた。次に、この金型の上型を調整して
１５ｍｍ厚のクリアランスに設定した。金型内の人造大
理石の硬化物の上方の５ｍｍの隙間に、あらかじめ硬化
剤を添加して炭酸ガスを吹き込んで３倍に発泡させたビ
ニルエステル樹脂／ウレタン樹脂＝３０／７０の複合物
を注入し、更に、９０℃で１０分間加熱して、裏面部に
発泡ポリエステル樹脂と発泡ウレタン樹脂の複合物を一
体化したホワイト色の人造大理石を得た。The present invention will be described below in more detail with reference to examples. (Example 1) 100 parts by weight of (prominate P-311 manufactured by Takeda Pharmaceutical Co., Ltd.) as a vinyl ester resin,
200 parts by weight of aluminum hydroxide (CW-325J manufactured by Sumitomo Chemical Co., Ltd.) used as a filler was added, and 0.5 part by weight of a gray toner was further added. An appropriate amount of Percure HO) was added and mixed and stirred with a stirrer under vacuum of 30 Torr under reduced pressure to prepare a resin composition. This is 5m
m into a mold with a clearance of 90 m
Heated for a minute to cure. Next, the upper mold of this mold was adjusted to set a clearance of 10 mm in thickness. Into the gap of 5 mm above the hardened artificial marble in the mold, inject a urethane resin whose foaming ratio has been adjusted by adding a hardener and a foaming agent in advance, and further heat at 50 ° C for 5 minutes. hand,
A gray artificial marble was obtained in which the urethane foam resin was integrated on the back surface. (Example 2) Aluminum hydroxide (Showa Denko KK) using 100 parts by weight of a vinyl ester resin (Lipoxy R-804 manufactured by Showa Polymer Co., Ltd.) as a filler
210 parts by weight of H-310), 0.3 parts by weight of a white toner, and an appropriate amount of a curing agent (Percure WO manufactured by NOF Corporation) were added at 20 Torr. The resin composition was prepared by mixing and stirring with a stirrer while vacuum defoaming under reduced pressure. This was poured into a mold having a clearance of 4 mm, and cured by heating at 80 ° C. for 90 minutes. Next, adjust the upper mold of this mold to 1
The clearance was set to a thickness of 2 mm. Into the 8 mm gap above the hardened artificial marble in the mold, urethane resin whose foaming ratio was adjusted to 3 times by adding a curing agent and a foaming agent in advance was injected, and further heated at 60 ° C. for 4 minutes. Thus, a white artificial marble in which a urethane foam resin was integrated on the back surface was obtained. (Example 3) 100 parts by weight of (Prominate P-310 manufactured by Takeda Pharmaceutical Co., Ltd.) as a vinyl ester resin,
210 parts by weight of aluminum hydroxide (CW-308B manufactured by Sumitomo Chemical Co., Ltd.) used as a filler was added, and 0.3 part by weight of beige toner was further added.
An appropriate amount of (Percure HO manufactured by NOF Corporation) was added as a curing agent, and the mixture was stirred and mixed with a stirrer while vacuum degassing under a reduced pressure of 25 Torr to prepare a resin composition. This is 5
into a mold with a clearance of 8 mm
Cured by heating for 0 minutes. Next, the upper mold of this mold was adjusted to set a clearance of 15 mm thickness. Into a 10 mm gap above the hardened product of artificial marble in the mold, a hardening agent was added in advance, and a nitrogen gas was blown, and a polyester resin foamed four times was injected.
After heating for a minute, a beige artificial marble having a foamed polyester integrated with the back surface was obtained. (Example 4) 110 (DERAKANE 411-45 manufactured by Dow Chemical Co., Ltd.) was used as a vinyl ester resin.
Parts by weight, 230 parts by weight of aluminum hydroxide (CW-325LV manufactured by Sumitomo Chemical Co., Ltd.) used as a filler, 0.25 parts by weight of a white toner is further added, and as a curing agent, An appropriate amount of Nippon Yushi Co., Ltd. (Percure WO) was added, and the mixture was mixed and stirred with a stirrer while vacuum defoaming under a reduced pressure of 20 Torr to prepare a resin composition. This was injected into a mold having a clearance of 5 mm, and was cured by heating at 80 ° C. for 90 minutes. Next, the upper mold of this mold was adjusted to set a clearance having a thickness of 12 mm. Polyester resin / urethane resin = 5 in which a curing agent was added in advance and a carbon dioxide gas was blown into the gap to a depth of 7 mm above the hardened product of artificial marble in the mold and foamed three times.
A 0/50 composite was injected, and the mixture was further heated at 90 ° C. for 20 minutes to obtain a white artificial marble having a composite of a foamed polyester resin and a foamed urethane resin integrated on the back surface. (Example 5) 80 parts by weight of a vinyl ester resin (Lipoxy R-804 manufactured by Showa Polymer Co., Ltd.) and H-60 manufactured by Showa Polymer Co., Ltd. as a novolak resin.
0), 100 parts by weight of aluminum hydroxide (CW-325J manufactured by Sumitomo Chemical Co., Ltd.) used as a filler, and glass powder (CF0 manufactured by Nippon Frit Co., Ltd.).
02-100) was added, and 0.15 parts by weight of a black toner was further added. Further, an appropriate amount of (Percure HO manufactured by NOF Corporation) was added as a curing agent, and the pressure was reduced to 15 Torr. The resin composition was prepared by mixing and stirring with a stirrer while degassing under vacuum. This was poured into a mold having a clearance of 10 mm, and was cured by heating at 80 ° C. for 90 minutes. Next, the upper mold of this mold was adjusted to set a clearance of 15 mm thickness. Into a 5 mm gap above the hardened artificial marble in the mold, a hardening agent was added in advance, and a carbonic acid gas was blown into the space to inject a composite of 30/70 of a vinyl ester resin / urethane resin = 30/70. Then, the mixture was further heated at 90 ° C. for 10 minutes to obtain a white artificial marble in which a composite of a foamed polyester resin and a foamed urethane resin was integrated on the back surface.
【００１９】[0019]
【発明の効果】上記のように本発明にあっては、人造大
理石の成形品の裏面に接着性を有する合成樹脂をインモ
ールドで成形するので、インモールド成形により人造大
理石の成形品の裏面に合成樹脂が一体化し、これにより
人造大理石の成形品の裏面が一体化された合成樹脂の層
により補強されるものであり、この結果、従来のように
人造大理石の成形品の裏面に合板などの補強板を貼り付
けることなく、また、柄を表現する部材が多く配合され
る系においても、必要な成形品強度を確保して品質的に
信頼性のある人造大理石を提供することができるもので
ある。As described above, in the present invention, the synthetic marble having an adhesive property is formed by in-molding on the back surface of the artificial marble molded product, so that the back surface of the artificial marble molded product is formed by in-mold molding. The synthetic resin is integrated, whereby the back surface of the artificial marble molded product is reinforced by the integrated synthetic resin layer. As a result, as in the conventional case, the back surface of the artificial marble molded product is made of plywood or the like. Without attaching a reinforcing plate, and even in a system where many members expressing the pattern are compounded, it is possible to secure the necessary molded product strength and provide a reliable artificial marble in quality. is there.
【００２０】また、合成樹脂を発泡させることで、人造
大理石の成形品の裏面が合成樹脂の層により補強された
ものにおいて、軽量化が図れて取り扱いが容易となり、
また材料のコスト削減が図れて製品価格の低減を図るこ
とができるものである。In addition, by foaming the synthetic resin, in the case where the back surface of the artificial marble molded product is reinforced by a layer of the synthetic resin, the weight can be reduced and the handling becomes easy.
Further, the cost of the material can be reduced, and the product price can be reduced.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｅ０４Ｃ 2/02 Ｂ２９Ｋ 105:04 // Ｂ２９Ｋ 105:04 105:20 105:20 Ｂ２９Ｌ 31:10 Ｂ２９Ｌ 31:10 Ｂ２９Ｃ 67/16 (72)発明者 鈴木 雅彦 福岡県北九州市若松区大字安瀬１番地の18 北九州松下電工株式会社内 Ｆターム(参考） 2E162 CD02 FA00 FA08 FA13 4F204 AA21 AA24 AA42 AB02 AB03 AB11 AB12 AB16 AB17 AD05 AD11 AD27 AE10 AF09 AG03 AG20 AH46 AH51 EA01 EA03 EB01 EB12 EE21 EF01 EF05 EF27 4F205 AA21 AA24 AA42 AB02 AB03 AB11 AB12 AB16 AB17 AD11 AE10 AF09 AG03 AH46 AH51 HA22 HA32 HA39 HB01 HE12 HK05 HK16 HT04 HT12 HT27 HW01 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) E04C 2/02 B29K 105: 04 // B29K 105: 04 105: 20 105: 20 B29L 31:10 B29L 31: 10 B29C 67/16 (72) Inventor Masahiko Suzuki 18 F-term in Kitakyushu-Matsushita Electric Works Co., Ltd., 18-1 Oaza, Wakamatsu-ku, Kitakyushu-shi, Fukuoka (Reference) 2E162 CD02 FA00 FA08 FA13 4F204 AA21 AA24 AA42 AB02 AB03 AB11 AB12 AB16 AB17 AD05 AD11 AD27 AE10 AF09 AG03 AG20 AH46 AH51 EA01 EA03 EB01 EB12 EE21 EF01 EF05 EF27 4F205 AA21 AA24 AA42 AB02 AB03 AB11 AB12 AB16 AB17 AD11 AE10 AF09 AG03 AH46 AH51 HA22 HA32 HA39 HB01HE12 HK
Claims (4)
する合成樹脂をインモールドで成形することを特徴とす
る人造大理石の製造方法。1. A method for producing artificial marble, comprising molding an in-mold synthetic resin having adhesive properties on the back surface of a molded article of artificial marble.
テル系、ビニルエステル系、アクリル系のものを少なく
とも一種類用いたことを特徴とする請求項１記載の人造
大理石の製造方法。2. The method for producing artificial marble according to claim 1, wherein at least one of urethane, polyester, vinyl ester, and acrylic resins is used as the synthetic resin.
請求項１又は請求項２記載の人造大理石の製造方法。3. The method for producing artificial marble according to claim 1, wherein the synthetic resin is foamed.
する請求項３記載の人造大理石の製造方法。4. The method for producing artificial marble according to claim 3, wherein the expansion ratio is 2 to 5 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27338199A JP2001088146A (en) | 1999-09-27 | 1999-09-27 | Production of artificial marble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27338199A JP2001088146A (en) | 1999-09-27 | 1999-09-27 | Production of artificial marble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001088146A true JP2001088146A (en) | 2001-04-03 |
Family
ID=17527115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27338199A Pending JP2001088146A (en) | 1999-09-27 | 1999-09-27 | Production of artificial marble |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001088146A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009269326A (en) * | 2008-05-09 | 2009-11-19 | Rong Jih Marble Enterprise Co Ltd | Synthetic quartz crystal and its method for manufacturing |
| WO2011078476A3 (en) * | 2009-12-23 | 2011-11-03 | 제일모직주식회사 | Artificial marble having transparent amorphous pattern |
| KR101104355B1 (en) | 2009-04-23 | 2012-01-16 | 지만희 | Manufacturing Method of Artificial Marble and Artificial Marble thereby |
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|---|---|---|---|---|
| JPS55109630A (en) * | 1979-02-15 | 1980-08-23 | Matsushita Electric Works Ltd | Manufacturing marble-like building panel |
| JPS5685049A (en) * | 1979-12-15 | 1981-07-10 | Matsushita Electric Works Ltd | Heat insulation wall material and method |
| JPH091766A (en) * | 1995-06-16 | 1997-01-07 | Kuraray Co Ltd | Natural stone-like composite molding body and manufacture thereof |
| JPH1170604A (en) * | 1997-07-04 | 1999-03-16 | I & F:Kk | Molded board material and board molding method |
| JPH11264213A (en) * | 1998-03-18 | 1999-09-28 | Masanari Nishimura | Framed decorative structure panel and manufacture thereof |
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1999
- 1999-09-27 JP JP27338199A patent/JP2001088146A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55109630A (en) * | 1979-02-15 | 1980-08-23 | Matsushita Electric Works Ltd | Manufacturing marble-like building panel |
| JPS5685049A (en) * | 1979-12-15 | 1981-07-10 | Matsushita Electric Works Ltd | Heat insulation wall material and method |
| JPH091766A (en) * | 1995-06-16 | 1997-01-07 | Kuraray Co Ltd | Natural stone-like composite molding body and manufacture thereof |
| JPH1170604A (en) * | 1997-07-04 | 1999-03-16 | I & F:Kk | Molded board material and board molding method |
| JPH11264213A (en) * | 1998-03-18 | 1999-09-28 | Masanari Nishimura | Framed decorative structure panel and manufacture thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009269326A (en) * | 2008-05-09 | 2009-11-19 | Rong Jih Marble Enterprise Co Ltd | Synthetic quartz crystal and its method for manufacturing |
| KR101104355B1 (en) | 2009-04-23 | 2012-01-16 | 지만희 | Manufacturing Method of Artificial Marble and Artificial Marble thereby |
| WO2011078476A3 (en) * | 2009-12-23 | 2011-11-03 | 제일모직주식회사 | Artificial marble having transparent amorphous pattern |
| CN102666123A (en) * | 2009-12-23 | 2012-09-12 | 第一毛织株式会社 | Artificial marble having transparent amorphous pattern |
| KR101332177B1 (en) | 2009-12-23 | 2013-11-22 | 제일모직주식회사 | Artificial Marble with Transparent and Amorphous Pattern |
| RU2543387C2 (en) * | 2009-12-23 | 2015-02-27 | Чхеиль Индастриз Инк. | Artificial marble with translucent and amorphous texture |
| US9340064B2 (en) | 2009-12-23 | 2016-05-17 | Cheil Industries Inc. | Artificial marble with transparent and amorphous pattern |
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