1282303 玖、發明說明： 【發明所屬之技術領域】 本發明乃關於用於降低來自黏合木製產品的排放物的 方法。其亦是關於用於製造積層木製產品的方法、藉此方 法所彳于到的產品、以及低排放性積層木製產品。 【先前技術】 來自木製產品的氣態物質排放可以具有不同的來源。 貝心木材其本身可排放通常稱為揮發性有機化合物（v〇c) 的例如為萜烯類與醛類的物質，且某些用於接合木材材料 的黏合劑系統可從黏合襯裡中排放各種不同物質。此排放 物例如可以疋來自基於紛或胺基樹脂的黏合劑系統的甲駿 以及來自礼劑聚合物異氰酸酯（EPI)黏合劑系統的異氰酸 對於來自例如為積層樑木的黏合木材所製造的建築材 料的一般物質的排放、 關注。 且特別是曱醛的排放已愈來愈受到 ’通常係將可固化的黏合劑系統施1282303 发明, INSTRUCTION DESCRIPTION: TECHNICAL FIELD OF THE INVENTION The present invention relates to a method for reducing emissions from bonded wood products. It is also a method for manufacturing laminated wood products, products obtained by this method, and low-emission laminated wood products. [Prior Art] Gaseous emissions from wood products can have different sources. Shellfish itself can emit substances such as terpenes and aldehydes, commonly referred to as volatile organic compounds (v〇c), and certain binder systems for joining wood materials can be discharged from the adhesive liner. Different substances. Such emissions may, for example, be derived from a binder system based on a versatile or amine based resin and isocyanic acid from a perfume polymer isocyanate (EPI) binder system for the production of bonded wood from, for example, laminated beams. The discharge and attention of general materials of building materials. And especially the emission of furfural has been increasingly affected by the usual curing system of adhesives.
在製造積層樑木時， 加至木製薄板上，其觭指 1282303 質。此外，剛鉋平的木製表面亦可排放例如為烯類盥酸 類的氣體物質。 ' WO 02/072323Α1 與 W〇 〇2/〇72324Α1 係揭示降低來自 層積產品的甲醛排放的方法，但並未處理來自曝露的黏合 襯裡的排放。 Τ 【發明内容】 本發明的一目的係提供一種用於降低來自黏合木製產 :的排放物的方法，以及提供一種用於製造具有低氣體物 貝，放的木製產品的方法。本發明進—步的目的係提供一 種藉此方法所得到的積層木製產品以及具有低醛類或萜烯 _放的木製產品’且最後是—種使用於本方法中的液體 處理組成物。 處所明的木製材料係指源自木材的任何類型的材料 。此同時包括實心木材材料與例如由木材纖維、顆粒 屑所製成的材料。 八 根據本發明，其已令人驚言牙地發現可藉由降低來自於 具有本身已黏合在一起之至少二片木製材料的組合件中的 -或多個氣態物質排放的方法以達成上述目的，並包括 具有曝露黏合襯裡的至少其中一個側面鉋平、接著藉由使 :了和-或多個氣態物質反應的一或多個處理物質來處理 二個鉋平後的側面。合適地’該片木製材料為木製薄 f α ,地，至少一個氣態物質是從曝露的黏合襯裡所排 排放。 個礼悲物貝疋從實心木材表面所 1282303 根據本發明’其亦已令人驚訝地發現可藉由用於製造 木製產品的方法以達成上述目的，其含有步驟:將一黏合 劑^統施加至—或多個木製薄板上、將二或多個木製薄板 組裝成一種組合件、將該組合件壓印、將該組合件具有曝 露黏合襯裡的至少其中一個侧面鉋平、且藉由施何與: 或夕個攸至少一個鉋平後的側面所排放的一或多個氣態物 質反應的一或多個處理物質以處理一或多個飽平後的側面 。木製產品適當地係積層木製產品。 【實施方式】 可與一或多個氣態物質反應”係指可至少降低5%、較 佳是至少ίο%、再更佳係至少25%、最佳係至少观總排 放物的能力。 本發明並未限制於任何特定類型的黏合劑系統的使用 。可以使用在本發明方法中的適合黏合㈣統是可固化的 黏合劑，例如為基於胺基樹脂的黏合劑系統、基於酚系樹 脂的黏合劑系統與基於異氰酸醋的點合劑系統。基於胺基 樹脂黏合劑系統的實例係基於蜜胺_甲駿、蜜胺·尿素-甲酸 、與尿素-甲醒黏合劑系統。基於㈣樹脂黏合劑的實例係 基i間苯二齡_甲駿、與間苯二紛-甲路黏合劑 系統。基於異氰酸醋黏合劑系統的實例係基於聚胺基甲酸 乙醋的黏纟劑系統與基於乳劑聚合物異氛酸醋（Ερι)的黏合 劑系統。黏合劑在堡印步驟過程中或接近屢印步驟時固化 係合適地。不過’亦可使用例如為基於乙烯基醋聚合物的 非口化黏合劍系統。基於乙烯基醋點合劑系統的實例係基 1282303 於聚醋酸乙烯醋、基於乙稀_醋酸乙稀能與基於聚丙酸乙烯 酯黏合劑系統。 以分開的步驟將黏合劑施加至薄板與所有薄板的組合 件上，適當地。此外，在不同的時間點上將黏合劑系統施 加至每一個薄板上，且將方施以黏合劑系統的薄板逐漸地 組裝在組合件上亦是適當地。 根據本發明之方法，飽平在具有黏合概裡曝露的組合 件的二個側面上進行係適當地。 合適地，一或多個處理物質可與從黏合襯裡所排放出 或多個氣態物質反應。亦適當地是，—或多個處理物 貝則可與從實心木材所排放出的—或多個氣態物質反應。 根據本發明的氣體物質可以是不同的類型。可以從黏 5襯裡排放出的一類物質是路類’例如為乙駿、甲駿、戊 二醛、丙醛、正丁醛、異丁醛、已醛與糠醛、可以從黏合 襯裡：放出的另一類物質是異氰酸酯類，例如為異氰酸曱 S曰甲::曱撐_1，6-二異氰酸酯、4,4-亞甲基二苯基異氰酸酯 、、、本2,4_二異氰酸醋與異佛爾_二異氰酸醋。可以從實 心木:排放*的氣g物質例如為單烯類，如OC·與β_获稀 、3_皆烯、與葶烯’以及例如為乙醛、丙醛、丁醛、戊醛 、己駿與苯曱酸的駿類。 在本發明方法的證 ^ , 的弟方面中，一種氣態物質適當地係 一了甲駿的類。然後，―或多個處理物質適當地係可 二^ ( ^ 4土為曱醛）反應。-或多個處理物質較佳係含 -個胺基或醯胺基，此物質的範例是胍胺類、尿素、硫 !282303 胨、縮二胨、胺基胨類、丁二醯胺、六亞甲基二胺、乙醇 胺、乙烯胺、*白質、縮胺酸、醯肼類與例如為碳酸錄、 磷酸單銨與二銨、硫化銨與亞硫酸銨的銨鹽類。例如為亞 硫酸鉀或亞硫酸鈉的其他亞硫酸鹽亦可以使用。同樣地是 例如為麥殼蛋白、酪蛋白與玉蜀黍蛋白的蛋白質類，或： 如為麵粉、乳漿與含蛋白質澱粉的含蛋白質材料。例如為 酉予類與聚乙烯醇的含羥基物質亦可以使用以作為處理物質 此外，例如為單、二與多醣類的醣類亦可以使用。較佳 地疋使用含有胺基或醯胺基的物質。最佳地，至少一個處 理物質是尿素或尿素衍生物。 在根據本發明方法的第二方面中，一種氣態物質適當 :是異氰酸酯。然I，一或多個處理物質適當地可與異氰 -欠酕反c適㊂的處理物質包括含有胺基或醯胺基的物質 ’此物質的範例係脈胺類、尿素、硫腺、縮二腺、胺基腺 类員、丁 *酉监月$、田焚 ^亞曱基二胺、乙醇胺、乙烯胺、蛋白質 鈿胺酕、fe肼類與例如為碳酸銨、硫化銨與亞硫酸銨的 鉍鹽類。例如為醇類與聚乙烯醇的含羥基物質亦可以使用 二作為處理物質。此外，例如為I、二與多醣類的釀類亦 可以使用。一種進一步適當的處理物質是水。較佳地，至 少-個處理物質是含有職或_基的物質。 ^在根據本發明的方法的另一方面中，氣態物質適當地 係屬於植烯類。缺你 1、 ^ …、後’一或多個處理物質適當地是可與枯 烯反應。纟4地’處理物質屬於例如為烯醛類與二烯醛類 非乾ί醛頒、或例如為醇類與聚乙烯醇的含羥基物質。 10 1282303 :佳地’至少一個處理物質是例如為戊稀酸、己稀酸或辛 稀酸的非飽和醛類。 處理物質可以以單一成合蚀田+丄心 平攻刀使用在本發明的方法中。不 或多個處理物質可以適當地是處理組成物的成分。 2據本發明方法，處理組成物適當地是流體且適當地是含 =一或多個處理物質的溶劑。適合的溶劑是水，例如 為甲酵、乙醇與二醇類的醇類，與例如為二 酸酷的醋類。使用水作為溶劑是較佳的。亦可以使用^ 的混合物。在某些情況中 冷知'1 * . . ^ , J的遠擇可影響纖維在木製 況中，較佳的溶劑係包括醇類、 二9重::广處理組成物適當地係含有從約〇.。1至 木製表面的表二 作為薄膜形成改良劑的聚合物、：當里當地係含有 形式。聚合物分散液較佳是 厂“物分散液的 )或其衍生物（例士取 入 曰例如聚醋酸乙烯酯 j王物（例如聚乙烯醇）的 分散液，最佳係聚乙埽醇分散液。在處理烯酸醋 形成改良劑的乾含量適當地係從約〇〇 的身Μ 較佳係從約0.02至 至、力50重量％、 重量。/。。 、、”〇重罝%、最佳係從約0.03至约2 在一較佳具體實施例中 約100重量％、較佳係從約】至約80成重物^有㈣〇.01至 里/〇、攻佳係從約 χ2823〇3 至、乃60重置％的尿素或尿素衍生物 體實施例中，處理έΒ 士札人 > 個較佳具 ⑽"理組成物含有從約〇 〇1至約1〇〇 、 :從約1至約80重量％、最佳從約Η)至約60重：；、 知與虱的反應產品。在第三個較佳具體實施例+里/〇的 成物含有從約0.01至約1〇〇重量％、較佳從約理組 重量％、最佳從約至約6。重量%的非飽和酸類至約8〇 用於處理一或多個處理物質的適當方法例 =塗覆、簾膜塗布以及以浸潰過的塾子或潮濕的=來 土復。處理物質的處理以藉由噴霧或滾輪塗覆 佳的。當組合件的二個側面是以一或多個處理物質力 = 理時，兩個側面適當地是被同時處理。在此例子中、處 =方Π是藉由喷霧處理且下方側面是藉由滾輪= 未處理。其亦可能以股線(strand)的形式施加一或多個處理 物質至覆蓋超過黏合襯裡50%的程度、較佳是超過嶋的 程度、最佳係本質上1〇〇%的程度。 ^ 亦有可能使用一或多個處理物質來處理未具有任何黏 合襯裡曝露的組合件側面。 一或多個處理物質適當地可以達成所欲效果的量施加 ，且用量係根據所使用的處理物質。當使用處理組成物時 ，所施加的處理組成物量適當地是從約〇1至約1〇〇克/平 方米、較佳係從約i至約50克/平方来、最佳係從約5至 約30克/平方米。 此外，乾燥步驟亦可以在一或多個處理物質施加之後 再進行。適當的乾燥裝置例如是紅外線輻射、暖空氣吹送 12 1282303 與破波加熱。 使用一或多個處理物質的U，合適地是在飽平後不 久即進行，但亦可在鉋平後的更後階段才進行，適當地是 在鉋平後的約30天後 ' 較佳是在飽平後的從約〇 "少至約 5天、更佳是在鉋平後的從約〇5秒至約】小時、最佳是 在鉋平後的從約〇·5秒至約60秒。 在本發明的-較佳具體實施例中，積層襟木則藉由將 基於蜜胺·甲酸、蜜胺-尿素-甲酸、或齡-間苯二齡-甲酸的 2合劑系統施加至數個木製薄板上以製造。將薄板結合成 一種組合件且在高溫下麼印。所生成的樑木隨後沿著縱向 將具有黏合襯裡曝露的兩個侧面加以飽平，該側面然後係 以如上所述的液體處理組成物加以處理。 根據本發明的積層木製產品適當地是積層標木，立亦 包括例如為積層薄木板的其它積層結構性材料。 其亦已發現可能得到一種具有與藉由以甲醛為基礎的 樹脂的黏合劑系統黏合所製造的相似產品相較之下為低的 f ^ #放的產σσ β因此’本發明亦關於可藉由如上所述的 本發明的方法得到的產品。 =據JAS、用於結構性黏合木材MAFF標準的第992 靜定’可藉由本發明的方法得到的積層木製產品適當地 是具有低於約0.5毫克/升、較佳是低於肖〇 3冑克 醛排放。 制t發明^一步是關於—種至少含有二個薄板的積層木 製產品’其是以一種以甲醛為基礎之樹脂的黏合劑系統所 13 1282303 MAFF標準的第 〇·5宅克/升、較 黏合。根據JAS、用於結構性黏合木材 號修定’此積層木製產品具有低於約 佳地低於約〇·3毫克/升的甲醛排放。 此外’本發明係關於含有至少二個藉由黏合襯裡以結 a的缚板的積層木製產&，積層木製產品含有—種除水以 外的物質，其係可與具有至少—個曝露點合襯裡的產品的 側表面附近的醛類、異氰酸酯類或菇烯類反應。 b根據前述所提到的本發明’每一個積層：製產品適當 地是積層樑木，其亦包括例如為積㈣木板的其他積層結 構性材料。 本發明現將藉由下述實例以進一步描述’不過，其不 應被視為用以限制本發明的範轉。 實例1 : 將蜜胺-尿素-曱醛（MUF)樹脂與傳統酸性硬化劑以及含 有蜜胺-尿素-曱醛（MUF)樹脂、酚-間苯二酚_曱醛(pRF)樹 脂與酸的低甲醛排放之黏合劑系統進行測試。 對於每一個黏合劑系統，根據JAS MAFF992，測試來 自站a、、Ό構物的排放。對每一個黏合劑系統製造二組黏合 結構物。將五個雲杉木薄板（135χ15〇χ29毫米）加以組合件 且以400克/平方米的罝塗抹的樹脂與硬化劑之混合物加以 黏合。在壓印與調理（在2(rc於65%的相對濕度下）後，切 割出75x150x135毫米的二片。將接合端（面對纖維方向）以 铭v自封閉’只留下具有曝露黏合襯裡的二個7 5 X15 0毫米 表面將黏合結構中具有曝露黏合襯裡的二個側面加以鉋 14 1282303 平，且對於每一個黏合劑系統 加从丁 T 個結構物，將其二 個氣平後的側面喷灑上含有 7 Ρ ^ 0尿素與0.07重量。/〇聚 烯醇的含水組成物來進行處理，作 加a * r, ^ , 仁另一個結構物則未加 的=:將广個元件放置在具有以水作為取樣器的燒杯 以公升密室巾。根據賴方法^所有結構物在水樣 本中的甲醛排放(以毫克/升所表示)且顯示於表丨中。 表1.When manufacturing laminated beams, it is added to the wooden sheet and its finger is 1282303. In addition, the freshly planed wooden surface can also emit gaseous substances such as olefinic acids. 'WO 02/072323Α1 and W〇 〇2/〇72324Α1 show a way to reduce formaldehyde emissions from laminated products, but do not treat emissions from exposed adhesive linings. SUMMARY OF THE INVENTION One object of the present invention is to provide a method for reducing emissions from bonded wood, and a method for producing a wooden product having a low gas content. A further object of the present invention is to provide a laminated wood product obtained by this method, and a wooden product having a low aldehyde or terpene, and finally a liquid treatment composition for use in the method. The wooden material stated in the premises refers to any type of material derived from wood. This includes both solid wood materials and materials such as those made from wood fibers and granules. According to the invention, it has been surprisingly found that this can be achieved by reducing the discharge of - or a plurality of gaseous substances from an assembly having at least two pieces of wooden material that have been bonded together. And including at least one of the sides of the exposed adhesive liner, and then treating the two planed sides by reacting one or more treatment materials with - or a plurality of gaseous species. Suitably, the piece of wood material is a wood thin f α , ground, at least one gaseous substance is discharged from the exposed adhesive lining. According to the present invention, it has been surprisingly found that the above object can be attained by a method for producing a wooden product comprising the steps of: applying a bonding agent To or - a plurality of wooden sheets, two or more wooden sheets assembled into an assembly, the assembly is stamped, the assembly has at least one of the sides of the exposed adhesive liner, and by And one or more treatment materials reacted with one or more gaseous substances discharged from at least one of the planed sides to treat one or more of the saturated sides. Wooden products are suitably laminated with wooden products. [Embodiment] Reactable with one or more gaseous species means an ability to reduce at least 5%, preferably at least ίο%, and more preferably at least 25%, at least to at least a total effluent. It is not limited to the use of any particular type of adhesive system. Suitable adhesives that can be used in the process of the present invention are curable adhesives, such as amine based resin based adhesive systems, phenol based resin based adhesives. Agent system and isocyanate-based dispenser system. Examples of amine-based resin binder systems are based on melamine _ 甲甲, melamine·urea-formic acid, and urea-methyl awake adhesive system. Based on (iv) resin bonding Examples of agents are based on the benzoic acid _ 甲甲, and the meta- benzene bis-a road binder system. Examples of the isocyanate-based adhesive system are based on a polyurethane urethane-based adhesive system and Adhesive system based on emulsion polymer isocyanate (Ερι). The adhesive is suitably cured during or near the printing step. However, it is also possible to use, for example, a vinyl vinegar-based polymer. Mouth viscosity Hejian system. An example based on a vinyl vinegar dispenser system is based on polyvinyl acetate vinegar, based on ethylene-vinyl acetate and a polyvinyl acrylate-based adhesive system. The adhesive is applied to the sheet in separate steps. Suitably with all of the sheets, it is also appropriate to apply the adhesive system to each of the sheets at different points in time and to gradually assemble the sheets of the adhesive system onto the assembly. According to the method of the present invention, the leveling is suitably performed on both sides of the assembly having the adhesive exposure. Suitably, one or more of the treatment materials may be discharged from the adhesive liner or a plurality of gaseous states. Substance reaction. It is also expedient that - or a plurality of treatments can react with - or a plurality of gaseous substances emitted from solid wood. The gaseous substances according to the invention may be of different types. One type of substance emitted is a road type 'for example, Junjun, Jiajun, glutaraldehyde, propionaldehyde, n-butyraldehyde, isobutyraldehyde, acetaldehyde and furfural, which can be released from the adhesive lining: Another class of substances are isocyanates, such as guanidinium isocyanate:: yttrium 1,6-diisocyanate, 4,4-methylene diphenyl isocyanate, and 2,4-diisocyanide Sour vinegar and isophoric bis-isocyanuric acid vinegar. It can be from solid wood: the gas g substance of the discharge * is, for example, a monoolefin such as OC· and β_lean, 3_ allene, and terpene' and It is a kind of aldehyde, propionaldehyde, butyraldehyde, valeraldehyde, hexanone and benzoic acid. In the method of the method of the present invention, a gaseous substance is appropriately tied to the class of A. , or a plurality of treatment substances may suitably be reacted with each other. - or a plurality of treatment materials preferably contain - an amine group or a guanamine group, and an example of this substance is a guanamine. , urea, sulfur! 282303 hydrazine, hydrazine, amino hydrazine, butyl hydrazine, hexamethylene diamine, ethanolamine, vinylamine, * white matter, amino acid, hydrazine and, for example, carbonic acid, Ammonium salts of monoammonium phosphate and diammonium, ammonium sulfide and ammonium sulfite. Other sulfites such as potassium sulfite or sodium sulfite can also be used. Similarly, proteins such as hull protein, casein and maize protein, or proteinaceous materials such as flour, serum and protein-containing starch. For example, a hydroxyl group-containing substance such as a hydrazine or a polyvinyl alcohol may be used as a treatment substance. Further, for example, saccharides such as mono-, di-, and polysaccharides may be used. Preferably, a substance containing an amine group or a guanamine group is used. Most preferably, at least one of the treatment materials is urea or a urea derivative. In a second aspect of the process according to the invention, a gaseous substance is suitable: isocyanate. However, one or more treatment substances which are suitably compatible with isocyanine-deficient anti-c includes substances containing an amine group or a mercapto group. Examples of this substance are amides, urea, sulfur glands, Diamine, amine gland, Ding * 酉 月 月, 田 ^ ^ 曱 二 diamine, ethanolamine, vinylamine, protein amidoxime, fe 肼 and such as ammonium carbonate, ammonium sulfide and sulfurous acid Ammonium salts of ammonium. For example, a hydroxyl group-containing substance such as an alcohol or a polyvinyl alcohol may be used as the treating substance. Further, for example, brewing of I, II and polysaccharides can also be used. A further suitable treatment material is water. Preferably, at least one of the treatment substances is a substance containing a substance or a base. ^ In another aspect of the method according to the invention, the gaseous species suitably belong to the phytoenes. Missing you 1, ^ ..., after the one or more treatment substances are suitably reactive with cumene. The treatment substance is, for example, a hydroxy group containing an alkenal group and a diene aldehyde, or a hydroxyl group-containing substance such as an alcohol or a polyvinyl alcohol. 10 1282303: Preferably, at least one of the treatment materials is an unsaturated aldehyde such as pentonic acid, hexamic acid or octanoic acid. The treatment material can be used in the method of the invention in a single synthetic field + 丄 heart attack knife. The plurality or more of the treatment substance may suitably be a component of the treatment composition. 2 According to the method of the invention, the treatment composition is suitably a fluid and suitably a solvent comprising = one or more treatment substances. Suitable solvents are water, for example, alcohols such as formazan, ethanol and glycols, and vinegars such as diacids. It is preferred to use water as a solvent. A mixture of ^ can also be used. In some cases, cold knowing '1 * . . ^ , J's far-selection can affect the fiber in the wood condition, the preferred solvent system includes alcohols, two 9 weights:: wide treatment composition suitably contains Oh. 1 to Table 2 of the wooden surface As a polymer for the film formation improver, the local system contains the form. Preferably, the polymer dispersion is a dispersion of a plant "dispersion" or a derivative thereof (for example, a dispersion of ruthenium, for example, polyvinyl acetate, such as polyvinyl alcohol), and the best polyglycol is dispersed. The dry content of the oleic acid formation improving agent is suitably from about 0.02 to about 50% by weight, weight, and weight. Preferably, from about 0.03 to about 2, in a preferred embodiment, about 100% by weight, preferably from about 5% to about 80% by weight, (four) 〇.01 to 里/〇, from Χ2823〇3 to 60% by weight of the urea or urea derivative body in the embodiment, the treatment of the έΒ士札人> preferred (10)" rational composition contains from about 〇〇1 to about 1〇〇, : from From about 1 to about 80% by weight, most preferably from about Η) to about 60%:; The product of the third preferred embodiment + 里 / 含有 contains from about 0.01 to about 1% by weight, preferably from about 0.01% by weight, most preferably from about to about 6. % by weight of unsaturated acid to about 8 适当 Examples of suitable methods for treating one or more treatment materials = coating, curtain coating, and immersion of tweezers or wet = soil. The treatment of the treatment material is preferably carried out by spraying or roller coating. When the two sides of the assembly are in one or more treatments, the two sides are suitably treated simultaneously. In this example, the square is processed by spraying and the lower side is by roller = untreated. It is also possible to apply one or more treatment materials in the form of strands to the extent that it covers more than 50% of the adhesive liner, preferably more than 嶋, and the optimum is essentially 1%. ^ It is also possible to use one or more treatment materials to treat the sides of the assembly that do not have any adhesive lining exposure. One or more of the treatment materials are suitably applied in an amount that achieves the desired effect, and the amount is based on the treatment material used. When a treatment composition is used, the amount of treatment composition applied is suitably from about 1 to about 1 g/m2, preferably from about i to about 50 g/sq., preferably from about 5 Up to about 30 g / square meter. Furthermore, the drying step can also be carried out after the application of one or more treatment substances. Suitable drying devices are, for example, infrared radiation, warm air blowing 12 1282303 and broken wave heating. U using one or more treatment substances is suitably carried out shortly after leveling, but may also be carried out at a later stage after leveling, suitably after about 30 days after planing. It is from about 5 〇 5 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 少 5 5 5 5 5 5 5 5 5 5 5 About 60 seconds. In a preferred embodiment of the invention, the laminated eucalyptus is applied to several woodens by a two-component system based on melamine-formic acid, melamine-urea-formic acid, or age-m-phenylene-formic acid. Made on a thin plate. The sheets are combined into a single assembly and printed at high temperatures. The resulting beam is then saturated in the longitudinal direction with the two sides exposed by the adhesive liner which are then treated with the liquid treatment composition as described above. The laminated wood product according to the present invention is suitably a laminated wood which also includes other laminated structural materials such as laminated thin wood. It has also been found that it is possible to obtain a production of σσ β which is lower than the similar product produced by the adhesion of a binder system based on a formaldehyde-based resin. A product obtained by the method of the invention as described above. = According to JAS, Section 992 for Structural Adhesive Wood MAFF Standard 'The laminated wood product obtainable by the method of the present invention suitably has less than about 0.5 mg/liter, preferably less than 〇3〇 Acetaldehyde emissions. The invention is based on a multi-layered wooden product containing at least two sheets. It is a formaldehyde-based resin adhesive system. 13 1282303 MAFF standard 〇·5 克 / liter, more adhesive . According to JAS, for the structural bonding of wood grades, this laminated wood product has a formaldehyde emission of less than about 〇3 mg/liter. In addition, the present invention relates to a laminated wood product containing at least two binding plates which are bonded by a lining, and the laminated wooden product contains a substance other than water, which can be combined with at least one exposure point. The aldehyde, isocyanate or mushroom is reacted near the side surface of the lining product. b. According to the invention as mentioned above, each of the laminates: the product is suitably a laminated beam, which also comprises other laminated structural materials such as wood (4) boards. The invention will now be further described by the following examples which, however, should not be construed as limiting the invention. Example 1: A melamine-urea-furfural (MUF) resin with a conventional acid hardener and a melamine-urea-furfural (MUF) resin, a phenol-resorcinol-furfural (pRF) resin and an acid The low formaldehyde emission adhesive system was tested. For each adhesive system, the emissions from the station a, Ό structure were tested according to JAS MAFF992. Two sets of bonded structures were made for each adhesive system. Five spruce sheets (135 χ 15 〇χ 29 mm) were combined and bonded with a mixture of a resin coated with 400 g/m 2 of enamel and a hardener. After embossing and conditioning (at 2 (rc at 65% relative humidity), cut two pieces of 75x150x135 mm. The joint end (facing the fiber direction) is self-sealing with the name v only leaving the exposed adhesive lining The two 7 5 X15 0 mm surfaces are flattened in the bonded structure with the two sides of the exposed adhesive lining 14 1282303 flat, and for each adhesive system plus two T-structures, the two are flattened The side is sprayed with an aqueous composition containing 7 Ρ ^ 0 urea and 0.07 wt. / 〇 polyenol for treatment, adding a * r, ^, the other structure of the kernel is not added =: will be a wide component Placed in a beaker with water as a sampler to a liter chamber towel. According to the Lai method ^ all the structures in the water sample of formaldehyde emissions (expressed in mg / liter) and shown in the table. Table 1.
----υ.υ2 結論是本發明對傳統基於MUF樹脂的黏合劑系統與 基於低排放MUF/PRF樹脂的黏合劑系統可同時得到明顯 # 對甲醛排放的降低。 ^ 實例2 : 測試與實例1所用者相同的密脸斥本 a 4日丨J的虫妝_尿素_甲醛（MUF)樹脂 與傳統的酸性硬化劑。 根據修改後、使用較小測試元件的JAS maff992的 内部測試方法以測試來自黏合結構物的甲醛排放。將五個 雲杉木薄板（5x150x150毫米）加以組合件且以38〇克/平方 米的量塗抹的樹脂與硬化劑之混合物加以黏合。在壓印與 調理（在2(TC於65%的相對濕度下）後，切割出75χ25χΐ〇 毫米的二片。將接合端（面對纖維方向）以鋁箔封閉只留下 具有曝露黏合襯裡的二個75x25毫米表面。將二個元件的 15 1282303 具有曝露黏合襯裡的二個側面加以鉋平，且將其中—個一 件，藉由在其二個鉋平後的側面上噴灑上含有4〇重量％尿 素與0_07重量％聚乙烯醇的含水組成物來進行處理。將每 一個元件放置在具有以水作為取樣器的燒杯的4公升密室 中。分別在2天與30天後，決定所有結構物在水樣本中 的甲醛排放（以毫克/升表示）且顯示於表2中。 表 2. 曱酸排放 — (毫克/升） 處理，2天 <0.5 處理，30天 <0.5 未處理，2天 1.7 未處理，30天 1.3 結論是根據本發明的方法在對抗曱醛排放上可得到長 時間持縯的結果。----υ.υ2 The conclusion is that the conventional MUF resin-based adhesive system and the low-emission MUF/PRF resin-based adhesive system can simultaneously achieve significant reductions in formaldehyde emissions. ^ Example 2: Test the same secret repulsion as the one used in Example 1. a 4 丨J 虫 _ urea_formaldehyde (MUF) resin with a traditional acid hardener. The formaldehyde emission from the bonded structure was tested according to the modified internal test method of JAS maff992 using smaller test elements. Five spruce sheets (5 x 150 x 150 mm) were combined and bonded with a mixture of resin and hardener applied in an amount of 38 g/m2. After embossing and conditioning (at 2 (TC at 65% relative humidity), cut two pieces of 75 χ 25 χΐ〇 mm. The joint end (facing the fiber direction) is sealed with aluminum foil leaving only the exposed adhesive lining 75x25 mm surface. Plan the two sides of the 15 1282303 with the exposed adhesive lining, and place one of them, with 4 〇 weight on the sides of the two planed sides. % urea was treated with an aqueous composition of 0_07% by weight of polyvinyl alcohol. Each element was placed in a 4 liter chamber with a beaker of water as a sampler. After 2 and 30 days, respectively, all structures were determined. Formaldehyde emissions (expressed in mg/L) in water samples and are shown in Table 2. Table 2. Citrate emissions - (mg/L) treatment, 2 days <0.5 treatment, 30 days <0.5 untreated, 2 days 1.7 untreated, 30 days 1.3 The conclusion is that the method according to the present invention can achieve long-term performance against furfural emissions.
【圖式簡單說明】 (一）圖式部分 (無） (二）元件代表符號 (無） 16[Simple description of the diagram] (1) Schema part (none) (2) Component symbol (none) 16