JP2013103223A - 積層材をリサイクルする方法及びシステム - Google Patents
積層材をリサイクルする方法及びシステム Download PDFInfo
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- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Laminated Bodies (AREA)
Abstract
【解決手段】本発明の実施形態においては、硬化複合積層材を、硬化複合積層材と実質的に同じ繊維容積分率と薄板レベルの繊維アライメントを維持する剥離回収物にリサイクルする方法及びシステムが提供されている。この方法により、繊維容積分率と薄板レベルの繊維アライメントを有する硬化複合積層材が提供される。硬化複合積層材に液体浸漬の前処理、液体溶媒の除去、予熱、及び硬化複合積層材の位相変化剥離を伴う急速加熱を行って、硬化複合積層材と実質的に同じ繊維容積分率と薄板レベルの繊維アライメントを維持する剥離回収物を得るものである。
【選択図】なし
Description
32 繊維
40 硬化複合積層スクラップ
50 リサイクルシステム
51 リサイクルシステム
52 剥離回収物
52a 剥離回収物
54 繊維容積分率
54a 繊維容積分率
55 薄板レベルの繊維アライメント
55a 薄板レベルの繊維アライメント
56 樹脂マトリックス
58 前処理溶媒浸漬装置
60 一又は複数の液体溶媒
61 前処理溶媒浸漬プロセス
62 任意の熱
64 任意の圧力
66 液体溶媒除去装置
67 液体溶媒除去プロセス
68 予熱エネルギー装置
70 予熱エネルギープロセス
72 予熱エネルギー
73 分圧環境
74 熱エネルギープロセス
76 熱エネルギー
78 熱エネルギー装置
80 伝導エネルギープロセス
82 伝導エネルギー
84 伝導エネルギー装置
86 伝導オーブン
88 対流エネルギープロセス
90 対流エネルギー
92 対流エネルギー装置
94 対流式オーブン
96 赤外線エネルギープロセス
98 赤外線エネルギー
100 赤外線エネルギー装置
102 赤外線式クォーツヒータ
104 マイクロ波エネルギープロセス
106 マイクロ波エネルギー
108 マイクロ波エネルギー装置
110 マイクロ波送信機
112 誘導エネルギープロセス
114 誘導エネルギー
116 誘導エネルギー装置
118 誘導加熱コイル
120 音響エネルギープロセス
122 音響エネルギー
124 音響エネルギー装置
126 超音波エネルギープロセス
128 超音波エネルギー
130 超音波エネルギー装置
132 超音波振動子
134 超音波プローブ
136 位相変化剥離装置
138 急速加熱エネルギー
140 溶媒の液体から気体への位相変化
142 位相変化剥離プロセス
144 急速加熱エネルギープロセス
146 急速加熱装置
148 任意の汚染物質の仕分け及び分類装置
150 非損傷樹脂マトリックスを有する剥離回収物
152 非損傷樹脂マトリックスを有さない剥離回収物
154 任意の汚染物質及び分類プロセス
156 繊維再生浮遊選別プロセス
158 繊維再生浮遊選別装置
160 密度勾配プロセス
162 密度勾配装置
164 渦電流選別プロセス
166 渦電流選別装置
168 磁気選別プロセス
170 磁気選別装置
172 サイクロン選別プロセス
174 サイクロン選別装置
176 ふるい分けプロセス
178 ふるい分け装置
180 ダイレクトフィード
182 第1成形コンパウンド
184 任意の樹脂マトリックス除去装置
186 任意のバインダー塗布装置
188 任意の樹脂マトリックス除去プロセス
190 任意のバインダー塗布プロセス
194 バインダー剤
196 フィード
198 第2成形コンパウンド
200 リサイクルシステム
201 リサイクルシステム
202 寸法縮小プロセス
204 寸法縮小装置
206 破砕プロセス
208 破砕装置
210 粉砕プロセス
212 粉砕装置
214 切削プロセス
216 切削装置
218 研削プロセス
220 研削装置
222 圧壊プロセス
224 圧壊装置
226 せん断プロセス
228 せん断装置
229a 機械特性
229b 機械特性
230a 繊維剛性
230b 同程度の繊維剛性
232a 繊維容積ローディング
232b 同程度の繊維容積ローディング
234a 熱膨張係数
234b 同程度の熱膨張係数
250 硬化複合積層フレーク
262 再生繊維の微粉砕物
264 廃棄物
266 有価金属材料
268 非損傷樹脂マトリックスを有する単一の薄板厚さの複合フレーク
269 単一の薄板厚さの複合繊維フレーク
270 リサイクル方法
280 リサイクル方法
302 ステップ
304 ステップ
306 ステップ
308 ステップ
310 ステップ
312 ステップ
314 ステップ
316 ステップ
402 ステップ
404 ステップ
406 ステップ
408 ステップ
410 ステップ
412 ステップ
414 ステップ
416 ステップ
418 ステップ
420 ステップ
422 ステップ
424 ステップ
426 ステップ
428 ステップ
502 ステップ
504 ステップ
506 ステップ
508 ステップ
510 ステップ
512 ステップ
600 リサイクルシステム
602 剥離装置
604 樹脂マトリックスチャー
606 任意の新たな樹脂マトリックス塗布装置
608 新たな樹脂マトリックス
610 構造体
Claims (10)
- 硬化複合積層材(30)を、硬化複合積層材と実質的に同じ繊維容積分率と薄板レベルの繊維アライメントを維持する剥離回収物(52)にリサイクルする方法(300)であって、
樹脂マトリックスと、繊維容積分率と薄板レベルの繊維アライメントを有する複数の繊維を含む硬化複合積層材(30)を準備し(302)、
一又は複数の液体溶媒に浸して前記硬化複合積層材に前記一又は複数の液体溶媒を実質的に吸わせて前記硬化複合積層材(30)の前処理を行い(304)、
前記硬化複合積層材が吸収しなかった前記一又は複数の液体溶媒の超過量をすべて除去し(306)、
前記一又は複数の液体溶媒を実質的に吸収した前記硬化複合積層材(30)を、前記一又は複数の液体溶媒の最低溶媒沸点よりも低い温度に予熱し(308)、
前記一又は複数の液体溶媒を実質的に吸収した予熱した前記硬化複合積層材(30)を、前記一又は複数の液体溶媒の最高溶媒沸点よりも高い温度まで急速に加熱して(310)、前記一又は複数の液体溶媒の液体から気体への位相変化を起こして、前記硬化複合積層材を剥離させ、前記硬化複合積層材と実質的に同じ繊維容積分率と薄板レベルの繊維アライメントを維持する剥離回収物を得る(312)
ことを含む方法。 - 前記剥離回収物の汚染物質の仕分け及び分類を行って(314)、非損傷樹脂マトリックスを有する剥離回収物(150)と、非損傷樹脂マトリックスを有さない剥離回収物(152)とに分けることをさらに含む、請求項1に記載の方法。
- 前記非損傷樹脂マトリックスを有する剥離回収物を成形コンパウンドのダイレクトフィードとして使用する(316)ことをさらに含む、請求項2に記載の方法。
- 前記非損傷樹脂マトリックスを有さない剥離回収物(152)を下記の、
前記非損傷樹脂マトリックスを有さない剥離回収物(152)から樹脂マトリックス(56)を除去し、
前記非損傷樹脂マトリックスを有さない剥離回収物の複数の繊維(32)にバインダー剤を塗布して(194)、前記複数の繊維を無傷に保ち、
前記バインダー剤を塗布した前記剥離回収物を成形コンパウンドのフィード(196)として使用する
ステップによって処理することをさらに含む、請求項2に記載の方法。 - 前記一又は複数の液体溶媒(60)は、水、ベンジルアルコール、アセトン、メチルエチルケトン(MEK)、塩酸、及びこれらのうちの一又は複数の組み合わせを含むグループから選択される、請求項1に記載の方法。
- 前記前処理(304)が熱、圧力、又は熱及び圧力の組み合わせによって実施される、請求項1に記載の方法。
- 硬化複合積層材(30)を、硬化複合積層材と実質的に同じ繊維容積分率と薄板レベルの繊維アライメントを維持する剥離回収物にリサイクルするシステムであって、
樹脂マトリックス(56)と、繊維容積分率及び薄板レベルの繊維アライメントを有する複数の繊維(32)を含む硬化複合積層材(30)と、
前記硬化複合積層材(30)を浸して前記硬化複合積層材に前記一又は複数の液体溶媒を実質的に吸わせる前記一又は複数の液体溶媒を含む前処理溶媒浸漬装置(58)と、
前記硬化複合積層材が吸収しなかった前記一又は複数の液体溶媒の超過量をすべて除去する液体溶媒除去装置(66)と、
前記硬化複合積層材を、一又は複数の液体溶媒の最低溶媒沸点よりも低い温度に予熱する予熱エネルギー装置(68)と、
予熱した前記硬化複合積層材を、実質的に前記一又は複数の液体溶媒の最高溶媒沸点よりも高い温度まで急速に加熱して、前記一又は複数の液体溶媒の液体から気体への位相変化を起こして前記硬化複合積層材を剥離させ、前記硬化複合積層材と実質的に同じ繊維容積分率と薄板レベルの繊維アライメントを維持する剥離回収物を得る位相変化剥離装置(136)
を備えるシステム。 - 前記剥離回収物の汚染物質の仕分け及び分類を行って、非損傷樹脂マトリックスを有する剥離回収物と、非損傷樹脂マトリックスを有さない剥離回収物とに分ける汚染物質の仕分け及び分類装置(148)をさらに含む、請求項7に記載のシステム。
- 前記非損傷樹脂マトリックスを有さない剥離回収物に対して、樹脂マトリックス除去装置(184)と、バインダー塗布装置(186)とをさらに備える、請求項8に記載のシステム。
- 前記一又は複数の液体溶媒(60)は、水、ベンジルアルコール、アセトン、メチルエチルケトン(MEK)、塩酸、及びこれらのうちの一又は複数の組み合わせを含むグループから選択される、請求項7に記載のシステム。
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