JP2016539216A - リグニンを処理するためおよび結合剤組成物を生成するための方法 - Google Patents
リグニンを処理するためおよび結合剤組成物を生成するための方法 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
- C07G1/00—Lignin; Lignin derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/07—Aldehydes; Ketones
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/005—Lignin
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J197/00—Adhesives based on lignin-containing materials
- C09J197/005—Lignin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
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Abstract
Description
a)水性組成物の温度を40〜85℃に維持しながら、リグニンを水性組成物に溶解するステップであって、水性組成物はフェノール類から選択される化合物およびアルカリを含有し、アルカリはアルカリ金属の水酸化物を含む、ステップと、
b)組成物のpHを6〜14のpH値に維持しながら、組成物の温度が100℃を超えないという条件で、ステップa)における組成物の温度より高い温度で組成物を加熱するステップと
を含む方法に関する。
a)水性組成物の温度を40〜85℃に維持しながら、リグニンを水性組成物に溶解するステップであって、水性組成物はフェノール類から選択される化合物およびアルカリを含有し、アルカリはアルカリ金属の水酸化物を含む、ステップと、
b)組成物のpHを6〜14のpH値に維持しながら、組成物の温度が100℃を超えないという条件で、ステップa)における組成物の温度より高い温度で組成物を加熱するステップと、
c)ステップb)において形成された組成物を架橋剤と混合し、組成物のpHを6〜14のpH値に維持しながら組成物を60〜100℃の温度で加熱するステップと
を含む方法にさらに関する。
実施例1において生成された結合剤組成物を、粘着性組成物の製造のために用いた。結合剤組成物を、その例として例えばデンプン、木粉および硬化剤(例えばタンニンまたは炭酸塩)が言及され得る、したがって粘着性組成物を形成する、増量剤、充填剤、触媒、添加剤と混合した。その後、1.5mm未満の厚さを有する単板を、9−ベニヤ板を生成するために生成した粘着性組成物と合わせて接着した。8分後、冷間プレスパネルを、130℃で熱プレスした。結果は、接着効果が、単板を接着するために十分に良好であったことを示した。
実施例2において生成された結合剤組成物を、シャッターフィルムの製造のために用いた。42g/m2の重量を有するクラフト紙を、結合剤組成物を含浸させて130℃で乾燥させた。含浸した紙を、ベニヤ板の片側上で145℃で6分間加圧した。結果は、シャッターフィルムが、十分に良好に機能したことを示し、表面上の膨れまたは剥離は観察されなかった。
Claims (25)
- a)水性組成物の温度を40〜85℃に維持しながら、リグニンを前記水性組成物に溶解するステップであって、前記水性組成物はフェノール類から選択される化合物およびアルカリを含有し、前記アルカリはアルカリ金属の水酸化物を含む、ステップと、
b)前記組成物のpHを6〜14のpH値に維持しながら、前記組成物の温度が100℃を超えないという条件で、ステップa)における前記組成物の温度より高い温度で、前記組成物を加熱するステップと
を含むことを特徴とする、リグニンを処理するための方法。 - フェノール類から選択される前記化合物が、フェノール、クレゾール、レゾルシノールおよびそれらの組み合わせからなる群から選択される、請求項1に記載の方法。
- ステップa)において、前記組成物の温度が、65〜80℃の温度、好ましくは70〜75℃の温度に維持される、請求項1〜2のいずれか一項に記載の方法。
- ステップb)が、ステップa)における前記組成物の温度より少なくとも5℃、好ましくは少なくとも10℃、より好ましくは少なくとも20℃高い温度で前記組成物を加熱することを含む、請求項1〜3のいずれか一項に記載の方法。
- ステップa)において、前記組成物のpHが、4〜10のpH値、好ましくは4.5〜9.5のpH値、より好ましくは5〜9のpH値、さらにより好ましくは5.5〜8.5のpH値に維持される、請求項1〜4のいずれか一項に記載の方法。
- ステップb)において、前記組成物のpHが、好ましくは6〜10のpH値、より好ましくは6.5〜9.5のpH値、さらにより好ましくは7〜9のpH値に維持される、請求項5に記載の方法。
- ステップa)において、前記組成物のpHが、4〜14のpH値、好ましくは7〜13.5のpH値、より好ましくは8.5〜13のpH値に維持される、請求項1〜4のいずれか一項に記載の方法。
- ステップb)において、前記組成物のpHが、好ましくは7〜14のpH値、より好ましくは9〜13.5のpH値、さらにより好ましくは10〜13のpH値に維持される、請求項7に記載の方法。
- ステップb)において、前記組成物が、60〜100℃の温度で、好ましくは70〜95℃の温度で、より好ましくは75〜90℃の温度で加熱される、請求項1〜8のいずれか一項に記載の方法。
- a)水性組成物の温度を40〜85℃に維持しながら、リグニンを前記水性組成物に溶解するステップであって、前記水性組成物はフェノール類から選択される化合物およびアルカリを含有し、前記アルカリはアルカリ金属の水酸化物を含む、ステップと、
b)前記組成物のpHを6〜14のpH値に維持しながら、前記組成物の温度が100℃を超えないという条件で、ステップa)における前記組成物の温度より高い温度で、前記組成物を加熱するステップと、
c)ステップb)において形成された前記組成物を架橋剤と混合し、前記組成物のpHを6〜14のpH値に維持しながら前記組成物を60〜100℃の温度で加熱するステップと
を含むことを特徴とする結合剤組成物を生成するための方法。 - ステップb)が、ステップa)における前記組成物の前記温度より少なくとも5℃、好ましくは少なくとも10℃、より好ましくは少なくとも20℃高い、温度で前記組成物を加熱することを含む、請求項10に記載の方法。
- ステップc)が、好ましくは65〜95℃の温度で、より好ましくは70〜90℃の温度で、さらにより好ましくは75〜85℃の温度で前記組成物を加熱することを含む、請求項10〜11のいずれか一項に記載の方法。
- ステップa)において、前記組成物のpHが、4〜10のpH値、好ましくは4.5〜9.5のpH値、より好ましくは5〜9のpH値、さらにより好ましくは5.5〜8.5のpH値に維持される、請求項10〜12のいずれか一項に記載の方法。
- ステップb)において、前記組成物のpHが、好ましくは6〜10のpH値、より好ましくは6.5〜9.5のpH値、さらにより好ましくは7〜9のpH値に維持される、請求項13に記載の方法。
- ステップa)において、前記組成物のpHが、4〜14のpH値、好ましくは7〜13.5のpH値、より好ましくは8.5〜13のpH値に維持される、請求項10〜12のいずれか一項に記載の方法。
- ステップb)において、前記組成物のpHが、好ましくは7〜14のpH値、より好ましくは9〜13.5のpH値、さらにより好ましくは10〜13のpH値に維持される、請求項15に記載の方法。
- ステップc)において、前記組成物のpHが、6〜10のpH値、好ましくは6.5〜9.5のpH値、より好ましくは7〜9のpH値に維持される、請求項10〜16のいずれか一項に記載の方法。
- ステップc)において、前記組成物のpHが、7〜14のpH値、より好ましくは9〜13.5のpH値、さらにより好ましくは10〜13のpH値に維持される、請求項10〜16のいずれか一項に記載の方法。
- 前記架橋剤が、アルデヒド、好ましくはホルムアルデヒド、パラホルムアルデヒドまたはそれらの組み合わせである、請求項10〜18のいずれか一項に記載の方法。
- 結合剤組成物の製造のための請求項1〜9のいずれか一項に記載の方法によって処理されたリグニンの使用。
- 請求項10〜19のいずれか一項に記載の方法によって取得可能な結合剤組成物。
- 請求項21に記載の結合剤組成物を含む粘着性組成物。
- 積層物、好ましくは高圧積層物の生成のための請求項14または請求項17に記載の方法によって取得可能な結合剤組成物の使用。
- 鋳造材料、保護コーティング、摩擦材料、研磨材料、グラスウール、岩綿、プリプレグ、シャッターフィルム、上張り、成形成分または繊維強化合成物を生成するための請求項14または請求項17に記載の方法によって取得可能な結合剤組成物の使用。
- パーティクルボード、配向性ストランドボード、合板、イントレルラム、接着合板、ハードボード、ウェハーボード、ファイバーボード、ベニヤ板、または木材粘着剤を生成するための請求項16または請求項18に記載の方法によって取得可能な結合剤組成物の使用。
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