JP2020116927A - マーブル調成形品の製造方法および成形材料 - Google Patents
マーブル調成形品の製造方法および成形材料 Download PDFInfo
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- JP2020116927A JP2020116927A JP2019012425A JP2019012425A JP2020116927A JP 2020116927 A JP2020116927 A JP 2020116927A JP 2019012425 A JP2019012425 A JP 2019012425A JP 2019012425 A JP2019012425 A JP 2019012425A JP 2020116927 A JP2020116927 A JP 2020116927A
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
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- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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Abstract
Description
以下、本発明のマーブル調成形品の製造方法の第1実施形態について説明する。第1実施形態では、第2樹脂材料が液体状を有する。
第1実施形態では、まず、小片状を有する第1樹脂材料を準備する(第1準備工程)。
次いで、液体状を有する第2樹脂材料を準備する(第2準備工程)。
また、第1実施形態では、好ましくは、第1樹脂材料と色彩および/または色調が異なり、小片状を有する第3樹脂材料を準備する工程(第3準備工程)をさらに含む。
次いで、第1樹脂材料と、第2樹脂材料と、好ましくは、第3樹脂材料とを混合して、樹脂混合物を調製する(調製工程)。
次いで、樹脂混合物を成形する(成形工程)。
上記のマーブル調成形品の製造方法では、小片状を有する第1樹脂材料と、第1樹脂材料と色彩および/または色調が異なり、液体状を有する第2樹脂材料とを混合した後、それらの樹脂混合物を成形する。
次に、本発明の第2実施形態について説明する。第2実施形態では、第2樹脂材料が小片状を有する。なお、上記した第1実施形態と同様の工程については、その詳細な説明を省略する。
次に、本発明の成形材料の一実施形態について説明する。なお、成形材料の説明において、上記したマーブル調成形品の製造方法の第1実施形態および/または第2実施形態と同様の部材については、その詳細な説明を省略する。
上記した第1実施形態では、樹脂混合物が、小片状の第1樹脂材料と、液体状の第2樹脂材料と、小片状の第3樹脂材料とが混合されて調製されるが、樹脂混合物は、これに限定されない。
<第1樹脂材料の準備>
温度計、窒素ガス導入管、還流冷却器および攪拌機を備えたフラスコを反応器とした。この反応器に、イソフタル酸2.0mol、プロピレングリコール5.5mol、ネオペンチルグリコール5.0molを仕込み、窒素ガス雰囲気下で撹拌しながら200〜210℃の温度で重縮合反応させた。酸価が10mgKOH/gになった時点で150℃まで冷却し、無水マレイン酸8.0molを仕込み、再び210〜220℃において、酸価が27.0mgKOH/gとなるまで反応させて、不飽和ポリエステルを調製した。
上記と同様に調製した不飽和ポリエステル40質量部と、スチレン120質量部とを混合して、第2不飽和ポリエステル樹脂を調製した。
黒色トナー(第1着色剤)を白色トナー(第3着色剤)に変更したこと以外は、上記した第1樹脂材料の準備と同様にして、小片状を有する第3樹脂材料を調製した。
次いで、小片状を有する第1樹脂材料100質量部と、小片状を有する第3樹脂材料700質量部とを乾式混合し、混合された第1樹脂材料および第3樹脂材料に、液体状を有する第2樹脂材料15質量部をスプレーした。これによって、第2樹脂材料が第1樹脂材料および第3樹脂材料の表面に塗布された。以上によって、樹脂混合物を調製した。
次いで、樹脂混合物を第1平板金型(下型、300mm□)上に配置した後、第1平板金型に向かって第2平板金型(上型、300mm□)を移動させて、第1平板金型と第2平板金型との間に樹脂混合物を挟み込み、成形温度 上型/下型=145℃/130℃、成形圧 面圧10MPa、成形時間6分間にて、樹脂混合物を硬化成形した。
<第1樹脂材料の準備>
上記と同様にして、第1樹脂材料を調製した。第1樹脂材料は、立方体状(サイコロ状)を有し、その一辺は、25mmであった。
黒色トナー(第1着色剤)を白色トナー(第2着色剤)に変更したこと以外は、上記した第1樹脂材料の準備と同様にして、小片状を有する第2樹脂材料を調製した。
次いで、小片状を有する第1樹脂材料400質量部と、小片状を有する第2樹脂材料400質量部とを乾式混合して、樹脂混合物を調製した。
次いで、上記した成形品の調製と同様にして、樹脂混合物を硬化成形して、300mm□平板成形品を調製した。
Claims (8)
- 小片状を有する第1樹脂材料を準備する工程と、
前記第1樹脂材料と色彩および/または色調が異なり、液体状または小片状を有する第2樹脂材料を準備する工程と、
前記第1樹脂材料と前記第2樹脂材料とを混合して、樹脂混合物を調製する工程と、
前記樹脂混合物を成形する工程と、を含むことを特徴とする、マーブル調成形品の製造方法。 - 前記第1樹脂材料を準備する工程は、
前記第1樹脂材料からなる第1樹脂モールディングコンパウンドを準備する工程と、
前記第1樹脂モールディングコンパウンドから、小片状を有する前記第1樹脂材料を切り出す工程と、を含むことを特徴とする、請求項1に記載のマーブル調成形品の製造方法。 - 前記第2樹脂材料は、液体状を有することを特徴とする、請求項1または2に記載のマーブル調成形品の製造方法。
- 前記第1樹脂材料と色彩および/または色調が異なり、小片状を有する第3樹脂材料を準備する工程をさらに含み、
前記樹脂混合物を調製する工程において、前記第1樹脂材料と前記第2樹脂材料と前記第3樹脂材料とを混合することを特徴とする、請求項3に記載のマーブル調成形品の製造方法。 - 前記第1樹脂材料と前記第3樹脂材料とは、互いにサイズが異なることを特徴とする、請求項4に記載のマーブル調成形品の製造方法。
- 前記第2樹脂材料は、小片状を有することを特徴とする、請求項1または2に記載のマーブル調成形品の製造方法。
- 前記第1樹脂材料と前記第2樹脂材料とは、互いにサイズが異なることを特徴とする、請求項6に記載のマーブル調成形品の製造方法。
- 小片状を有する第1樹脂材料と、
前記第1樹脂材料と色彩および/または色調が異なり、液体状または小片状を有する第2樹脂材料と、を備えることを特徴とする、成形材料。
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JPS55109624A (en) * | 1979-02-15 | 1980-08-23 | Hitachi Chem Co Ltd | Manufacturing patterned sheet of frp |
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