JPS616165A - Formation of inorganic board - Google Patents
Formation of inorganic boardInfo
- Publication number
- JPS616165A JPS616165A JP12357984A JP12357984A JPS616165A JP S616165 A JPS616165 A JP S616165A JP 12357984 A JP12357984 A JP 12357984A JP 12357984 A JP12357984 A JP 12357984A JP S616165 A JPS616165 A JP S616165A
- Authority
- JP
- Japan
- Prior art keywords
- inorganic
- molding
- resin material
- powder
- inorganic material
- 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
- 230000015572 biosynthetic process Effects 0.000 title 1
- 239000000463 material Substances 0.000 claims description 43
- 229910010272 inorganic material Inorganic materials 0.000 claims description 29
- 239000011147 inorganic material Substances 0.000 claims description 29
- 238000000465 moulding Methods 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 20
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004898 kneading Methods 0.000 claims description 6
- 229920005992 thermoplastic resin Polymers 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 239000010440 gypsum Substances 0.000 claims description 5
- 229910052602 gypsum Inorganic materials 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000000378 calcium silicate Substances 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- 239000012778 molding material Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 description 26
- 239000011347 resin Substances 0.000 description 26
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Glass Compositions (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
この発明は建築用素材等として広範な用途に向けた使用
が予定される無機質板、就中炭酸カルシウム粉等の微細
無機質素材を樹脂系素材をもって一体となすに際し、成
形性を向トし、又成形品に於ける品質の向上を期すよう
にした無機質板の成形方法に関するものである。[Detailed Description of the Invention] This invention is an inorganic board that is expected to be used for a wide range of purposes such as building materials, etc., and in which fine inorganic materials such as calcium carbonate powder are integrated with a resin material. The present invention relates to a method for molding an inorganic plate that improves properties and improves the quality of molded products.
（従来技術）
この種の無機質板は、通例硬質ＰＶＡ等に炭酸カルシウ
ムを骨材として混入するように、樹脂素材をベースとし
、これに無機質系の粉末を混入して樹脂成形をすること
が一般になされていたものである．この結果、無機質板
としての性格以上に、より樹脂成形板としての特性を有
し、耐熱、耐火特性等に尚多くの難を有すると共に成形
歪を往々にして誘起したものである。(Prior art) This type of inorganic board is generally made of a resin material such as hard PVA mixed with calcium carbonate as an aggregate, and inorganic powder is mixed into this and resin molded. This is what was being done. As a result, it has more properties as a resin-molded plate than an inorganic plate, has many problems in heat resistance, fire resistance, etc., and often induces molding distortion.
又、か一る従前に於ける無機質板の成形方法に於いては
、樹脂成形と同様に押出成形あるいは射出成形が予定さ
れていたものであって、成形に際して混入した骨材が、
押出し、あるいは射出圧を高め、特にシリンダー、ダイ
ス等の成形機の内壁面を損耗したものである。又、か＼
る高い圧力を要する成形に適する大型の押出機あるいは
射出機の設置を必要としたものである。In addition, in the previous method of forming inorganic plates, extrusion molding or injection molding was planned, similar to resin molding, and aggregate mixed in during molding was
Extrusion or injection pressure is increased, and the inner wall surfaces of the molding machine, such as cylinders and dies, are particularly damaged. Also, ka\
This required the installation of a large extruder or injection machine suitable for molding that requires high pressure.
（解決しようとする課題）
本発明に係る無機質板の成形方法は、か＼る従前例に於
ける不都合を回避する目的に於いて特に開示されたもの
であって、より純粋な無機質板に近い特性、就中耐熱、
耐火特性に優れ、しかも成形歪の少ない板材であって、
更に純粋な無機質板に於いて欠如されているところの耐
衝撃１曲げ強度特性を充分に有する無機質板の提供を意
図したものである。(Problems to be Solved) The method for forming an inorganic plate according to the present invention is particularly disclosed for the purpose of avoiding the disadvantages of the prior art, and is similar to a pure inorganic plate. Characteristics, especially heat resistance,
It is a plate material with excellent fire resistance properties and less molding distortion,
Furthermore, it is intended to provide an inorganic board having sufficient impact resistance and bending strength properties which are lacking in pure inorganic boards.
又、か＼る無機質板の成形、就中樹脂材を堅剤とし、無
機質素材をベースとした成形に於いて、無機質素材と、
樹脂材との馴染みが難しく、成形品に往々にして気泡、
クラック、素材の偏在等を誘起したものであり、本発明
１こ於いては、無機質素材を核として、均一な樹脂材と
の混り合せを意図したものである。In addition, in the molding of such inorganic plates, especially in the molding based on inorganic materials using resin materials as hardeners, inorganic materials and
It is difficult to blend with resin materials, and molded products often have air bubbles.
This causes cracks, uneven distribution of the material, etc. In the first aspect of the present invention, the inorganic material is used as a core and is intended to be uniformly mixed with the resin material.
更に、従前に於ける無機質板の成形に於いては、使用素
材の関係より大型装置の設置が不可欠とされたものであ
り、素材相互の馴染みの問題よりホットプレス等の簡単
な装置による成形が困難とされていたものである０本発
明に於いては素材相７ｊの均一・な混合をなすことによ
って、ホットプレス装置による無機質板の成形提供を意
図したものである。Furthermore, in the past, in the molding of inorganic plates, it was essential to install large equipment due to the materials used, and due to the mutual compatibility of the materials, it was difficult to mold using simple equipment such as a hot press. The present invention is intended to provide molding of an inorganic plate using a hot press machine by uniformly mixing the material phase 7j, which has been considered difficult.
（技術的手段）
本発明に係る無機質板の成形方法は、か覧る課題の解決
をなすべく、特に、その構成を炭酸カルシウム粉、硅酸
カルシウム粉、石膏粉、火山灰等の微粉状無機質素材に
対し１０〜３ｏ１の熱可塑性樹脂材を添加し、添加熱可
塑性樹脂材を該無機質素材周面に結着する如く混練処理
を施すと共に、周面に熱可塑性樹脂材の結着された無機
質素材を再破砕して粉又は粒状成形素材とし、該素材を
もってホットプレス成形をなすようにした点に置き、か
−る構成の要旨にもとづく以下の具体的な実施例と、こ
れらの実施例に付随する相当の実施変更例を予定したも
のである。(Technical Means) In order to solve the problems described above, the method for forming an inorganic board according to the present invention is made of a finely powdered inorganic material such as calcium carbonate powder, calcium silicate powder, gypsum powder, volcanic ash, etc. A thermoplastic resin material of 10 to 3 o1 is added to the inorganic material, and a kneading treatment is performed so as to bind the added thermoplastic resin material to the peripheral surface of the inorganic material, and the inorganic material with the thermoplastic resin material bound to the peripheral surface is Based on the point that the powder or granular molding material is obtained by re-crushing, and hot press molding is performed using the material, the following specific examples based on the gist of this configuration and accompanying examples are presented. Considerable implementation changes are planned.
（実施例）
以下本発明に係る無機質板の典型的な成形方法の一実施
例を添付の図面を参考として説明するに、先ず用意され
る無機質素材（１）は炭酸カルシウム粉、硅酸カルシウ
ム粉、石膏粉ないしは火山灰等の比較的廉価に且つ大量
に入手可能な微粉状素材が予定されたものであり、石膏
素材に於いては、これが天然石膏であると、化学石膏で
あると、焼型石膏であるとを問わず、そのいずれも使用
可能とされ、成形の目的に合せて焼石膏又は無水石膏と
して処理の上混入使用するようにしたものである。(Example) An example of a typical method for forming an inorganic plate according to the present invention will be described below with reference to the attached drawings. First, the inorganic material (1) to be prepared is calcium carbonate powder, calcium silicate powder, The plan is to use fine powder materials such as gypsum powder or volcanic ash, which are relatively inexpensive and available in large quantities. Regardless of whether it is gypsum or not, any of them can be used, and can be mixed and treated as calcined gypsum or anhydrous gypsum depending on the purpose of molding.
か−る無機質素材（１）に対し、重量比で１０〜３０％
の熱可塑性樹脂材（２）を混入したものであり、この樹
脂材（２）は通例パウダー状のものとして用意され、充
分な攪拌の後、これを加圧ニーグー等の混練機に投入し
て素材相互の練込みをなしたものである。か−る練込み
に際して、通例素材自体に於いて摩擦熱を生じ、この摩
擦熱をもってパウダー状樹脂材（２）を無機質素材（１
）の、周面に満遍なく結着し、顆粒状生地ａとしたもの
である。尚、この練込みに於いて、素材（１）と樹脂材
（２）との結着を、より効果的になす意図より、この混
練装置自体の加熱をなし、あるいは装置内に加熱エアー
を吹入れる等適宜の手段が別途講じられたものである。10-30% by weight of the inorganic material (1)
This resin material (2) is usually prepared as a powder, and after thorough stirring, it is put into a kneading machine such as a pressurized Nigu. It is a result of mutual training of the materials. During such kneading, frictional heat is usually generated in the material itself, and this frictional heat is used to transform the powdered resin material (2) into the inorganic material (1).
) is evenly bound to the circumferential surface to form granular dough a. In this kneading process, in order to more effectively bind the material (1) and the resin material (2), the kneading device itself is heated or heated air is blown into the device. Appropriate measures were taken separately, such as adding
かくして樹脂材（２）は一部又は全部が融解した状態で
ｆ＃、機質素材（１）の周面に結着し、顆粒状生地ａを
形成したものであるが、尚、樹脂材（２）と素材（＋）
との満遍の無い均一な混り合せには難の存したものであ
って、この顆粒生地ａを、ミルその他の粉砕装置をもっ
て再破砕し。In this way, the resin material (2) is partially or completely melted and adhered to the circumferential surface of the organic material (1) to form the granular dough a. 2) and material (+)
However, it was difficult to mix the granulated dough evenly and evenly, so this granular dough a was crushed again using a mill or other crushing device.
生地ａを微粉粒状成形生地すとしたものである。The dough a was molded into fine powder and granular dough.
かぎる再破砕に伴って、個々の無機質素材（１）は、夫
々に樹脂材（２）を、その周面に結着した態様のものと
され、ホットプレス成形生地として、特に最適な特性を
有したものである。As a result of the re-crushing, each inorganic material (1) has a resin material (2) bound to its circumferential surface, which has particularly optimal properties as a hot press molded dough. This is what I did.
かくして提供された生地すに、発泡剤、顔料、安定剤あ
るいは硬化剤等、通例の樹脂成形に於いて工・定される
添加剤を適宜必要に応じて混入し、ホットプレス装置を
もって板材又は型材として、型付は成形をなすようにし
たものである。Additives such as foaming agents, pigments, stabilizers, or hardening agents, which are usually used in resin molding, are mixed into the dough thus provided as necessary, and then the plate material or mold material is formed using a hot press machine. As such, molding is used to form a mold.
（作 用 ）
本発明に係る無機質板の成形方杖は叙上に於ける特長あ
る構成よりして成形上、以−ドの作用を奏したものであ
る。(Function) The method for forming an inorganic plate according to the present invention has the above-mentioned effects in terms of forming due to the characteristic structure described above.
（１）使用無機質素材は微細粉状であることより、滑性
が無く、樹脂材との混合が均一とならず、無機質素材あ
るいは樹脂材の偏在を誘起したものであるが、ニーダ・
−等の混練機による結着顆粒化処理と、このｒｔ ｔ−
ｑ状生地ａの再粉砕処理とによって、か−る無機質素材
と樹脂材との偏在を一掃したものである。(1) Since the inorganic material used is in the form of fine powder, it has no slipperiness and is not mixed uniformly with the resin material, causing uneven distribution of the inorganic material or resin material.
This rt t-
By re-pulverizing the q-shaped dough a, the uneven distribution of the inorganic material and the resin material is eliminated.
即ち、使用炭醸カルシウム粉は、通例 ０．０４〜１．４路程度の粒子であることより。That is, the charcoal-brewed calcium powder used is usually Because the particles are about 0.04 to 1.4 passages.
樹脂パウダーとの混ぜ合せに際し、タルクその他の滑剤
の添加を必要としたものであるが、か〜る滑剤の添加使
用をも一切不要としたものである。Although it was necessary to add talc or other lubricants when mixing with the resin powder, the addition of such lubricants is completely unnecessary.
（２）無機質素材（＋）の周面に樹脂材（２）が結着さ
れていることより、ホラ］・プレス成形を可能とし、又
成形に際して、生地すの取扱いが、生地すの滑性によっ
て容易とされ、更に成形された製品に於いて無機質素材
（１）と、樹脂材（２）とが均一に分布し、いずれかの
素材の偏在が防止された。(2) Since the resin material (2) is bonded to the peripheral surface of the inorganic material (+), it is possible to perform press molding. Furthermore, in the molded product, the inorganic material (1) and the resin material (2) were evenly distributed, and uneven distribution of either material was prevented.
（３）生地すに於いては、個々の無機質素材（１）が（
［々に樹脂材（２）を有することより、ホットプレス成
形に伴う素材（１）〜（１）相ｌの一体的な結着が必然
的にもたらされた。(3) In the fabric, each inorganic material (1) is (
[By having resin material (2) in each, integral binding of materials (1) to (1) phase 1 accompanying hot press molding was inevitably brought about.
（効果）
本発明に係る無機質板の成形方法は、叙りに於ける特長
ある構成並びに作用よりして以Ｆの緒特性の奏効が認め
られた。(Effects) The method for forming an inorganic plate according to the present invention has been found to have the following effects due to the characteristic structure and operation described above.
（１）大型の押出機あるいは射出機等の成形手段を必要
とせず、簡単なホットプレス装置による成形を可能とし
、しかも任意形状を有する製品の成形を可能とした。(1) Molding can be performed using a simple hot press device without requiring molding means such as a large extruder or injection machine, and products having arbitrary shapes can be molded.
（２）無機質素材をベースとし、樹脂材を繋剤とした耐
熱、耐火特性に優れた無機質板の成形を可能とし、又、
通例無機質板に於いて認められない耐衝撃、曲げ強度を
有する無機質板の成形を可能とした。(2) It is possible to form an inorganic plate with excellent heat resistance and fire resistance properties using an inorganic material as a base and a resin material as a binder, and
It has become possible to form an inorganic plate with impact resistance and bending strength that are not normally found in inorganic plates.
（３）成形品に於ける品質が均一であり、特に成形品内
に、樹脂材と無機質素材とが偏在することの無いように
して成形苧の生ずる余地を一掃した。(3) The quality of the molded product is uniform, and in particular, the resin material and the inorganic material are not unevenly distributed in the molded product, thereby eliminating the possibility of molding.
（４）無機質素材の周面に効果的に樹脂材を配して成形
したことより、少ない樹脂材をもって無機質素材の囲繞
をなし、無ｍ質素材相互の接触に伴う強度の劣化を防止
し、同時に無機質素材に於ける吸水率を抑止した。(4) By effectively distributing the resin material around the inorganic material and molding it, the inorganic material can be surrounded by a small amount of resin material, and strength deterioration due to contact between the inorganic materials can be prevented. At the same time, the water absorption rate of inorganic materials was suppressed.
第１図は無機質素材に樹脂材を混練した状態での断端面
図、第２図は顆粒状生地ａの断端面図、第３図は微粉粒
状生地すの断端面図、第４図は成形品の断端面図、第５
図は従前成形品の断端面図、第６図は成形品の斜視図で
ある。
尚、図中（１）は無機質素材、（２）は樹脂材を示した
ものである。
特許出羅１人Fig. 1 is a cross-sectional view of the inorganic material mixed with the resin material, Fig. 2 is a cross-sectional view of the granular dough a, Fig. 3 is a cross-sectional view of the fine powder granular dough, and Fig. 4 is a cross-sectional view of the granular dough a. The figure is a cross-sectional view of the molded product.
The figure is a cross-sectional view of a conventional molded product, and FIG. 6 is a perspective view of the molded product. In the figure, (1) shows an inorganic material, and (2) shows a resin material. 1 patent author
Claims (1)
等の微粉状無機質素材に対し１０〜３０％の熱可塑性樹
脂材を添加し、添加熱可塑性樹脂材を該無機質素材周面
に結着する如く混練処理を施すと共に、周面に熱可塑性
樹脂材の結着された無機質素材を再破砕して粉又は粒状
成形素材とし、該素材をもってホットプレス成形をなす
ようにしたことを特徴とする無機質板の成形方法。10 to 30% of a thermoplastic resin material is added to a finely powdered inorganic material such as calcium carbonate powder, calcium silicate powder, gypsum powder, volcanic ash, etc., and the added thermoplastic resin material is bound to the surrounding surface of the inorganic material. An inorganic plate characterized by being subjected to a kneading treatment and re-crushing an inorganic material having a thermoplastic resin material bound to its peripheral surface to obtain a powder or granular molding material, which is then hot-press molded. molding method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12357984A JPS616165A (en) | 1984-06-15 | 1984-06-15 | Formation of inorganic board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12357984A JPS616165A (en) | 1984-06-15 | 1984-06-15 | Formation of inorganic board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS616165A true JPS616165A (en) | 1986-01-11 |
Family
ID=14864074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12357984A Pending JPS616165A (en) | 1984-06-15 | 1984-06-15 | Formation of inorganic board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS616165A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6342916A (en) * | 1986-08-05 | 1988-02-24 | Toray Ind Inc | Sheath-core type conjugated fiber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4930478A (en) * | 1972-07-07 | 1974-03-18 | ||
| JPS50148463A (en) * | 1974-05-20 | 1975-11-28 | ||
| JPS54113650A (en) * | 1978-02-24 | 1979-09-05 | Nippon Ekika Seikei Kk | Method of mixing highly filling and crystallizable resin |
| JPS5541886A (en) * | 1978-09-21 | 1980-03-24 | Ishikawajima Harima Heavy Ind Co Ltd | Forming method of wear-resistant layer on surface of base material |
-
1984
- 1984-06-15 JP JP12357984A patent/JPS616165A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4930478A (en) * | 1972-07-07 | 1974-03-18 | ||
| JPS50148463A (en) * | 1974-05-20 | 1975-11-28 | ||
| JPS54113650A (en) * | 1978-02-24 | 1979-09-05 | Nippon Ekika Seikei Kk | Method of mixing highly filling and crystallizable resin |
| JPS5541886A (en) * | 1978-09-21 | 1980-03-24 | Ishikawajima Harima Heavy Ind Co Ltd | Forming method of wear-resistant layer on surface of base material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6342916A (en) * | 1986-08-05 | 1988-02-24 | Toray Ind Inc | Sheath-core type conjugated fiber |
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