JP2018514422A - 複合製品および前記製品を製造するための方法 - Google Patents
複合製品および前記製品を製造するための方法 Download PDFInfo
- Publication number
- JP2018514422A JP2018514422A JP2017558466A JP2017558466A JP2018514422A JP 2018514422 A JP2018514422 A JP 2018514422A JP 2017558466 A JP2017558466 A JP 2017558466A JP 2017558466 A JP2017558466 A JP 2017558466A JP 2018514422 A JP2018514422 A JP 2018514422A
- Authority
- JP
- Japan
- Prior art keywords
- solid wood
- composite
- composite material
- thermally modified
- product according
- 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.)
- Granted
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- 239000002023 wood Substances 0.000 claims abstract description 108
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- 229920003043 Cellulose fiber Polymers 0.000 claims description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 12
- 239000003063 flame retardant Substances 0.000 claims description 12
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 8
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- -1 polyethylene terephthalate Polymers 0.000 claims description 4
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- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 24
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Classifications
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
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- Y10T428/662—Wood timber product [e.g., piling, post, veneer, etc.]
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Abstract
Description
本発明は、無垢木材成分の少なくとも1つの側面が、熱改質されたセルロース材料とポリマーとを含む複合材料の層でコーティングされている、熱改質された無垢木材成分を含む複合製品に関する。驚くべきことに、熱改質された無垢木材成分を熱改質されたセルロース材料とポリマーとを含む複合材料でコーティングすることにより、クリープの問題は、市場で入手可能な既存の繊維熱可塑性複合材料およびコーティングされた無垢木材製品と比べて大幅に減じられていることが分かった。これは、熱改質された無垢木材が、通常の木材繊維熱可塑性複合材料および通常のキルン乾燥無垢木材成分と比較して、クリープ変化なしにはるかに良好に自重を担持することができるためである。重量誘起クリープに加えて、本発明は、太陽または凍結状態から発生する水分および表面熱の変化によって引き起こされるクリープをはるかに受けにくい。熱的に改質された無垢木材は、良好な生物学的耐久特性を有する非常に安定した材料であり、また重量比に対して良好な強度を有する。
この実験では、通常の松材の鋸くずまたは熱改質された松材の鋸くずを含む複合材料でコーティングしたときの、通常の松材の特性と熱改質された松材の特性とを比較した。
この実験では、3種の異なる板材を沸騰水中に水没させたときの効果を測定した。
A.熱改質された松の鋸くずを含む複合材料でコーティングされた、通常の松材。
B.熱改質された松の鋸くずを含む複合材料でコーティングされた、熱改質された松材。
C.難燃剤の層が適用され、次いで熱改質された松の鋸くずを含む複合材料でコーティングされた、熱改質された松材。
・試料A:コーティングの層剥離があり、無垢木材へのコーティングの接着力は弱かった。コーティングは本質的に無垢木材から離れていた。板材は大幅に歪んでいた。
・試料B:層剥離は限定的で、コーティングは無垢木材へ十分に接着していた。層剥離は切断端部でのみ見られた。熱改質された松板は歪みなく保持された。
・試料C:層剥離は本質的に観察されなかった。熱改質された松板は歪みなく保持された。
この実験では、例3と同じ試料が調製された。これらの試料は、28日経過まで、室温で水中に保管された。吸水率、厚みの拡大率、幅の拡大率および長さの拡大率が、保管1日後、保管7日後、および保管28日後、各試料について測定された。以下の結果が得られた。
試料A:乾燥により、木材が収縮し、層剥離および歪みを生じた。
試料B:層剥離も歪みも観察されなかった。
試料C:層剥離も歪みも観察されなかった。
この実験では、難燃剤が複合材料のコーティングに加えられた。代替的に、板材は、コーティングに先立って難燃剤で処理された。
Claims (19)
- 熱改質された無垢木材成分を含む複合製品であって、無垢木材成分の少なくとも1つの側面が、熱改質されたセルロース材料およびポリマーを含む複合材料の層でコーティングされている、複合製品。
- 複合材料が、50重量%未満の熱改質されたセルロース材料を含む、請求項1に記載の複合製品。
- 熱改質されたセルロース材料が1mm未満の粒子径を有する、請求項1または2に記載の複合製品。
- 熱改質されたセルロース材料が粉末の形態である、請求項1〜3のいずれか1項に記載の複合製品。
- 熱改質されたセルロース材料が熱改質されたミクロフィブリル化されたセルロースである、請求項1〜4のいずれか1項に記載の複合製品。
- ポリマーが、180℃を超える融点を有する高溶融ポリマーである、請求項1〜5のいずれか1項の複合製品。
- ポリマーが、ポリエチレンテレフタレート(PET)である、請求項1〜6のいずれか1項に記載の複合製品。
- 複合材料の層が1mmと5mmの間の厚みを有する、請求項1〜7のいずれか1項に記載の複合製品。
- 無垢木材成分および/またはセルロース繊維が、160℃と250℃の間の温度で、好ましくは200℃と230℃の間の温度にて大気圧で、または120℃を超える温度にて高められた圧力で、熱処理によって熱改質されている、請求項1〜8のいずれか1項に記載の複合製品。
- 無垢木材成分の2つ以上の側面が、複合材料を含む層によってコーティングされている、請求項1〜9のいずれか1項に記載の複合製品。
- 無垢木材成分の全体が、複合材料を含む層によってコーティングされている、請求項1〜10のいずれか1項に記載の複合製品。
- 無垢木材成分の少なくとも1つの側面が、複合材料を含む少なくとも2つ以上の層によってコーティングされている、請求項1〜11のいずれか1項に記載の複合製品。
- 無垢木材成分が、複合材料でのコーティングに先立って表面処理されている、請求項1〜12のいずれか1項に記載の複合製品。
- 無垢木材製品が、複合材料でのコーティングに先立って難燃剤で処理されている、請求項13に記載の複合製品。
- 複合材料が難燃剤を含む、請求項1〜14のいずれか1項に記載の複合製品。
- 複合製品を製造する方法であって、
熱改質された無垢木材成分を提供するステップ、
熱的に改質されたセルロース材料とポリマーとを含む複合材料を提供するステップ、
前記複合材料を押出機に供給するステップ、
前記の改質された無垢木材成分を、押出機を通して運搬するステップ、および、
前記複合材料の層を適用して、前記押出機を通って搬送される間に前記無垢木材成分の少なくとも一方の側面上にコーティング層を形成するステップを含む、方法。 - 押出機中の無垢木材に適用される複合材料の温度が180℃超である、請求項16に記載の方法。
- 無垢木材成分の2つ以上の側面が、複合材料の層でコーティングされている、請求項16または17に記載の方法。
- 無垢木材の全体、すなわち製品の全側面が複合材料の層でコーティングされている、請求項16〜18のいずれか1項に記載の方法。
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SE1550600A SE538877C2 (en) | 2015-05-08 | 2015-05-08 | A wood product comprising a composite coating and a process for producing said product |
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PCT/IB2016/052532 WO2016181258A1 (en) | 2015-05-08 | 2016-05-04 | A composite product and a process for producing said product |
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CN110402191A (zh) * | 2017-02-03 | 2019-11-01 | 斯道拉恩索公司 | 复合材料和复合产品 |
FI128812B (fi) | 2018-01-23 | 2020-12-31 | Teknologian Tutkimuskeskus Vtt Oy | Päällystetty puuviilu ja menetelmä puuviilun käsittelemiseksi |
SE543403C2 (en) * | 2019-05-02 | 2021-01-05 | Stora Enso Oyj | Method for manufacturing laminated veneer lumer product |
CN111037678B (zh) * | 2019-11-05 | 2021-07-02 | 兰泽(荆门)智能科技有限公司 | 一种熔融塑封边条装置 |
RU2767195C1 (ru) * | 2020-12-08 | 2022-03-16 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Вятский государственный университет" | Способ защитной обработки изделий из древесины |
CN113319959B (zh) * | 2021-05-27 | 2022-07-15 | 南京林业大学 | 一种微纤化竹材的制备方法 |
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CN107531024A (zh) | 2018-01-02 |
NZ736077A (en) | 2021-12-24 |
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