JP2020023493A - リグニンを処理し、結合剤組成物を生成するための方法 - Google Patents
リグニンを処理し、結合剤組成物を生成するための方法 Download PDFInfo
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- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
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- 235000013305 food Nutrition 0.000 description 2
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- 239000011121 hardwood Substances 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical group C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
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- MJSNUBOCVAKFIJ-LNTINUHCSA-N chromium;(z)-4-oxoniumylidenepent-2-en-2-olate Chemical compound [Cr].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O MJSNUBOCVAKFIJ-LNTINUHCSA-N 0.000 description 1
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- 150000002334 glycols Chemical class 0.000 description 1
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Images
Classifications
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/005—Lignin
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Biochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Compounds Of Unknown Constitution (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
Description
a)組成物の温度を0〜60℃に保ちながら、フェノールのクラスから選択される化合物を含有する水性組成物にリグニンを溶解するステップ、および
b)組成物の温度を60〜100℃に保ち、かつ組成物のpHを6〜14のpH値に保ちながら、組成物を反応させるステップ。
a)組成物の温度を0〜60℃に保ちながら、フェノールのクラスから選択される化合物を含有する水性組成物にリグニンを溶解するステップ、
b)組成物の温度を60〜100℃に保ち、かつ組成物のpHを6〜14のpH値に保ちながら、組成物を反応させるステップ、および
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値に保ちながら組成物を60〜100℃の温度で加熱するステップ。
この実施例においては、最初にリグニンをフェノールおよび水酸化ナトリウムで処理した。以下の成分およびそれらの量を使用した。
この実施例においては、最初にリグニンをフェノールおよび水酸化ナトリウムで処理した。以下の成分およびそれらの量を使用した。
実施例1において生成した結合剤組成物に含浸したクラフト紙のいくつかの層を加熱および圧力の下でともに融合することによって、高圧ラミネートを製造した。その後、形成したラミネートの沸騰水および熱許容性をテストした。このテストは、規格SFS−EN 438−2(高圧装飾用ラミネート(high−pressure decorative laminates:HPL))に従って行った。サンプルの層間剥離およびブリスターを評価した。どちらのテストも、沸騰水中に2時間浸漬した後、および150℃のオーブン中で30分間加熱した後の視覚的外観の評価に基づくものであった。40%および50%のフェノールがリグニンで置換された結合剤組成物の熱ならびに沸騰水および熱許容性は良好であり、ブリスターは観察されなかった。
この実施例においては、最初にリグニンをフェノールおよび水酸化ナトリウムで処理した。以下の成分およびそれらの量を使用した。
この実施例においては、最初にリグニンをフェノールで処理した。以下の成分およびそれらの量を使用した。
この実施例においては、最初にリグニンをフェノールおよび水酸化ナトリウムで処理した。以下の成分およびそれらの量を使用した。
この実施例においては、最初にリグニンをフェノールおよび水酸化ナトリウムで処理した。以下の成分およびそれらの量を使用した。
Claims (24)
- リグニンを処理するための方法であって、前記方法は以下のステップ:
a)組成物の温度を0〜60℃に保ちながら、フェノールのクラスから選択される化合物を含有する水性組成物にリグニンを溶解するステップと、
b)前記組成物の温度を60〜100℃に保ち、かつ前記組成物のpHを6〜14のpH値に保ちながら、前記組成物を反応させるステップと
を含むことを特徴とする、方法。 - 前記フェノールのクラスから選択される前記化合物は、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より選択される、請求項1に記載の方法。
- ステップb)は前記組成物をアルカリと反応させるステップを含み、前記アルカリはアルカリ金属の水酸化物を含む、請求項1〜2のいずれか一項に記載の方法。
- ステップa)における前記組成物の温度は、好ましくは15〜55℃、より好ましくは20〜50℃、およびさらにより好ましくは30〜45℃に保たれる、請求項1〜3のいずれか一項に記載の方法。
- ステップa)における前記組成物のpHは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、およびさらにより好ましくは5.5〜8.5のpH値に保たれる、請求項1〜4のいずれか一項に記載の方法。
- ステップb)における前記組成物のpHは好ましくは6〜10のpH値、より好ましくは6.5〜9.5のpH値、およびさらにより好ましくは7〜9のpH値に保たれる、請求項5に記載の方法。
- ステップa)における前記組成物のpHは4〜14のpH値、好ましくは7〜13.5のpH値、およびより好ましくは8.5〜13のpH値に保たれる、請求項1〜4のいずれか一項に記載の方法。
- ステップb)における前記組成物のpHは好ましくは7〜14のpH値、より好ましくは9〜13.5のpH値、およびさらにより好ましくは10〜13のpH値に保たれる、請求項7に記載の方法。
- ステップb)において、前記組成物は好ましくは70〜95℃の温度、およびより好ましくは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。
- 結合剤組成物を生成するための方法であって、前記方法は以下のステップ:
a)組成物の温度を0〜60℃に保ちながら、フェノールのクラスから選択される化合物を含有する水性組成物にリグニンを溶解するステップと、
b)前記組成物の温度を60〜100℃に保ち、かつ前記組成物のpHを6〜14のpH値に保ちながら、前記組成物を反応させるステップと、
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値に保ち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、方法。 - ステップc)は、前記組成物を好ましくは65〜95℃の温度、より好ましくは70〜90℃の温度、およびさらにより好ましくは75〜85℃の温度で加熱するステップを含む、請求項10に記載の方法。
- ステップa)における前記組成物のpHは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、およびさらにより好ましくは5.5〜8.5のpH値に保たれる、請求項10〜11のいずれか一項に記載の方法。
- ステップb)における前記組成物のpHは好ましくは6〜10のpH値、より好ましくは6.5〜9.5のpH値、およびさらにより好ましくは7〜9のpH値に保たれる、請求項12に記載の方法。
- ステップa)における前記組成物のpHは4〜14のpH値、好ましくは7〜13.5のpH値、およびより好ましくは8.5〜13のpH値に保たれる、請求項10〜11のいずれか一項に記載の方法。
- ステップb)における前記組成物のpHは好ましくは7〜14のpH値、より好ましくは9〜13.5のpH値、およびさらにより好ましくは10〜13のpH値に保たれる、請求項14に記載の方法。
- ステップc)における前記組成物のpHは好ましくは6〜10のpH値、より好ましくは6.5〜9.5のpH値、およびさらにより好ましくは7〜9のpH値に保たれる、請求項10〜15のいずれか一項に記載の方法。
- ステップc)における前記組成物のpHは好ましくは7〜14のpH値、より好ましくは9〜13.5のpH値、およびさらにより好ましくは10〜13のpH値に保たれる、請求項10〜15のいずれか一項に記載の方法。
- 前記架橋剤はアルデヒドであり、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10〜17のいずれか一項に記載の方法。
- 結合剤組成物の生成のための、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10〜18のいずれか一項に記載の方法によって得ることのできる、結合剤組成物。
- 請求項20に記載の結合剤組成物を含む、接着性組成物。
- ラミネート、好ましくは高圧ラミネートを製造するための、請求項13または請求項16に記載の方法によって得ることのできる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、ロックウール、プリプレグ、シャッタリングフィルム、オーバーレイ、成形構成要素、または繊維強化複合物を製造するための、請求項13または請求項16に記載の方法によって得ることのできる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、チップボード、イントララム、グルーラム、ハードボード、ウエハーボード、ファイバーボード、合板、または木材接着剤を製造するための、請求項15または請求項17に記載の方法によって得ることのできる結合剤組成物の使用。
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