JPH09286008A - Manufacture of lignocellulose material molding body - Google Patents

Manufacture of lignocellulose material molding body

Info

Publication number
JPH09286008A
JPH09286008A JP9048396A JP4839697A JPH09286008A JP H09286008 A JPH09286008 A JP H09286008A JP 9048396 A JP9048396 A JP 9048396A JP 4839697 A JP4839697 A JP 4839697A JP H09286008 A JPH09286008 A JP H09286008A
Authority
JP
Japan
Prior art keywords
parts
aqueous emulsion
organic polyisocyanate
water
wax
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.)
Pending
Application number
JP9048396A
Other languages
Japanese (ja)
Inventor
Tadashi Kimura
忠 木村
Toshihide Kobayashi
敏英 小林
Katsuhiko Sakurai
克彦 櫻井
Kensuke Tani
憲介 谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Polyurethane Industry Co Ltd
Original Assignee
Nippon Polyurethane Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Polyurethane Industry Co Ltd filed Critical Nippon Polyurethane Industry Co Ltd
Priority to JP9048396A priority Critical patent/JPH09286008A/en
Publication of JPH09286008A publication Critical patent/JPH09286008A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a method for manufacturing a lignocellulose material molding body by heat pressure molding which provides excellent releasing property and does not deteriorate water resistance of a molding to be obtained. SOLUTION: In a method for manufacturing a lignocellulose material molding body which uses an organic polyisocyanate compound as a binder, adhering is performed by a composition composed of an organic polyisocyanate, an aqueous emulsion of wax having a melting point of 50-16O deg.C, and an aqueous emulsion of 8-35C aliphatic carboxylic acid metal salt.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】 本発明は、木質繊維等のリ
グノセルロース系物質に、離型性、耐水性等に優れた有
機ポリイソシアネート組成物を用いることにより、優れ
た物理特性を有する成形体を加工性良く製造する方法に
関する。
TECHNICAL FIELD The present invention relates to a molded article having excellent physical properties by using an organic polyisocyanate composition having excellent mold releasability and water resistance as a lignocellulosic material such as wood fiber. The present invention relates to a method of manufacturing with good workability.

【0002】[0002]

【従来の技術】従来、木質チップ、木質繊維等のリグノ
セルロース系物質の熱圧成形体(パーティクルボード、
中質繊維板)用の接着剤として、有機ポリイソシアネー
ト樹脂がその卓越した接着特性により、優れた加工/物
理特性を示すことが知られている。しかしながら、その
卓越した接着特性の為、前記材料を連続またはバッチ式
プレスにて熱圧成形する際、接触する金属表面(熱盤)
とも強固に接着するという相殺的欠点が発生する。
2. Description of the Related Art Conventionally, thermocompression molded products (particle boards, lignocellulosic materials such as wood chips, wood fibers, etc.
As an adhesive for medium fibreboards), organic polyisocyanate resins are known to exhibit excellent processing / physical properties due to their excellent adhesive properties. However, due to its excellent adhesive properties, the metal surface (hot platen) that comes into contact when the material is thermocompressed in a continuous or batch press
However, the destructive disadvantage of strong adhesion occurs.

【0003】この熱盤との接着の問題を解決する為、こ
れまでは、金属表面に予め離型剤を塗布し、離型層を形
成させる必要があった。外部離型剤の塗布方式ではな
く、有機ポリイソシアネートと同時にリグノセルロース
系物質に塗布して離型効果を発揮させるものとして、有
機ポリイソシアネート及び鉱物ワックスを混合して熱圧
成形する方法が特公平3−21321において提案され
ている。
In order to solve the problem of adhesion with the hot platen, it has been necessary to apply a release agent to the metal surface in advance to form a release layer. The method of mixing the organic polyisocyanate and mineral wax and thermocompression molding is not fair, as the method of applying the release agent by applying it to the lignocellulosic material at the same time as the organic polyisocyanate, instead of applying the external release agent. 3-21321.

【0004】しかしながら、この方法で十分な離型効果
を発揮させる為には、系内へ多量の鉱物ワックスを添加
させる必要があり、経済性を含め現状の生産工程にその
まま適用するに至っていない。また、炭素数が20〜5
0である脂肪族の金属せっけんを有機ポリイソシアネー
ト100重量部に対し、1〜50重量部添加する方法が
知られている。(特開昭60−30306)。しかし、
金属せっけんの添加のみでは、得られた成形物の耐水性
が悪く、有機ポリイソシアネートを用いる有利性が発揮
されない。
However, in order to exert a sufficient releasing effect by this method, it is necessary to add a large amount of mineral wax into the system, and it has not been applied as it is to the current production process including economical efficiency. Also, the carbon number is 20-5.
A method is known in which 1 to 50 parts by weight of aliphatic metal soap of 0 is added to 100 parts by weight of organic polyisocyanate. (JP-A-60-30306). But,
The water resistance of the obtained molded product is poor and the advantage of using the organic polyisocyanate is not exhibited only by adding the metallic soap.

【0005】[0005]

【問題を解決するための手段】本発明者等は鋭意研究の
結果、上記2種の離型剤成分単独では得られない効果が
併用により得られることを見出し、本発明を完成するに
至った。即ち、本発明は、バインダーとして有機ポリイ
ソシアネート化合物を用いるリグノセルロース系物質成
形体の製造方法において、(A)有機ポリイソシアネー
トと、(B)融点50〜160℃の範囲にあるワックス
の水性エマルジョンと、(C)炭素数8〜35の脂肪族
カルボン酸金属塩の水性エマルジョンとからなる組成物
にて接着することを特徴とする前記リグノセルロース系
物質成形体の製造方法である。
As a result of earnest research, the inventors of the present invention have found that an effect which cannot be obtained by the above two types of release agent components alone can be obtained by the combined use, and have completed the present invention. . That is, the present invention relates to (A) an organic polyisocyanate and (B) an aqueous emulsion of a wax having a melting point in the range of 50 to 160 ° C. in a method for producing a lignocellulosic material molded article using an organic polyisocyanate compound as a binder. And (C) an aqueous emulsion of an aliphatic carboxylic acid metal salt having 8 to 35 carbon atoms, and the composition is adhered to the lignocellulosic material molded body.

【0006】本発明における有機ポリイソシアネートと
は、分子あたり少なくとも2個以上のイソシアネート基
を含む任意の有機ポリイソシアネート、例えばジフェニ
ルメタンジイソシアネート、トルイレンジイソシアネー
ト、ヘキサメチレンジイソシアネート等を使用できる。
本発明において好ましい有機ポリイソシアネートとし
て、例えばアニリン/ホルムアルデヒド縮合物のホスゲ
ン化によって製造される二官能価以上のポリメチレンポ
リフェニレンポリイソシアネート(以下、ポリメリック
MDIと略称する)であり、更に好ましいものは水分散
性を付与した水分散性ポリメリックMDIである。水分
散性ポリメリックMDIは、例えばポリメリックMDI
と分子量250〜4000程度の水親和性アルコキシポ
リアルキレングリコール等の単官能水酸基含有物質とを
反応させて得られることが知られている。また、この有
機ポリイソシアネートは、ポリオールとの反応によって
得られるイソシアネート末端プレポリマーであってもよ
い。
As the organic polyisocyanate in the present invention, any organic polyisocyanate containing at least two or more isocyanate groups per molecule, for example, diphenylmethane diisocyanate, toluylene diisocyanate, hexamethylene diisocyanate and the like can be used.
The preferred organic polyisocyanate in the present invention is, for example, a bifunctional or higher polymethylene polyphenylene polyisocyanate (hereinafter abbreviated as “polymeric MDI”) produced by phosgenation of an aniline / formaldehyde condensate, and more preferred is an aqueous dispersion. It is a water-dispersible polymeric MDI having properties. Water-dispersible polymeric MDI is, for example, polymeric MDI.
It is known to be obtained by reacting with a monofunctional hydroxyl group-containing substance such as a water-affinity alkoxypolyalkylene glycol having a molecular weight of about 250 to 4000. The organic polyisocyanate may also be an isocyanate-terminated prepolymer obtained by reaction with a polyol.

【0007】本発明における水性エマルジョンとは、融
点50〜160℃の範囲にある公知のワックス系離型
剤、例えばモンタンワックス、カルナバワックス、ライ
スワックス、パラフィンワックス等の天然ワックス、ポ
リエチレンワックス、モンタンワックス誘導体、パラフ
ィンワックス誘導体、硬化ひまし油、ステアリン酸アミ
ド等の合成ワックスを水性エマルジョンにしたものであ
る。エマルジョン化には、公知の乳化剤を用いることが
好ましい。エマルジョンの固形分は10〜50重量%の
ものが好ましい。
The aqueous emulsion in the present invention means a known wax-based release agent having a melting point of 50 to 160 ° C., for example, natural wax such as montan wax, carnauba wax, rice wax and paraffin wax, polyethylene wax, montan wax. It is an aqueous emulsion of a synthetic wax such as a derivative, a paraffin wax derivative, hydrogenated castor oil, and stearic acid amide. A known emulsifier is preferably used for emulsification. The solid content of the emulsion is preferably 10 to 50% by weight.

【0008】本発明における脂肪族カルボン酸金属塩の
水性エマルジョンは、炭素数8〜35の脂肪族カルボン
酸とアルミニウム、クロム、鉄、コバルト、ニッケル、
錫、鉛、亜鉛のいずれかから選ばれる金属塩の少なくと
も1種を、好ましくは公知の乳化剤を用いて水性エマル
ジョンとしたものである。脂肪族カルボン酸金属塩とし
て特に好ましいものはステアリン酸亜鉛である。また、
水性化に用いられる乳化剤としては、ラウリン酸ジエタ
ノールアミド等のアルキロールアマイドや、ポリオキシ
エチレンアルキルエーテル、ポリオキシエチレンアルキ
ルフェニルエーテル、ポリエチレングリコール脂肪酸エ
ステル、ソルビタン脂肪酸エステル等の非イオン系界面
活性剤や、アルキル硫酸塩、ポリオキシエチレンアルキ
ルエーテル硫酸塩、スルホコハク酸塩、タウリン誘導
体、リン酸エステル誘導体等のアニオン系界面活性剤が
挙げられ、さらにアルキルトリメチルアンモニウム塩等
のカチオン系界面活性剤、アルキルベダイン等の両性界
面活性剤を使用することができる。公知のステアリン酸
亜鉛水性エマルジョンとして代表的なものに、中京油脂
製、ステアリン酸亜鉛水性エマルジョン「ハイドリン
E−366」、「ハイドリン Z−7−30」、「ハイ
ドリン F−930」等が挙げられる。
The aqueous emulsion of the aliphatic carboxylic acid metal salt in the present invention comprises an aliphatic carboxylic acid having 8 to 35 carbon atoms and aluminum, chromium, iron, cobalt, nickel,
At least one metal salt selected from tin, lead, and zinc is made into an aqueous emulsion, preferably using a known emulsifier. Particularly preferred as the aliphatic carboxylic acid metal salt is zinc stearate. Also,
Examples of emulsifiers used for water solubilization include alkylol amides such as lauric acid diethanolamide, polyoxyethylene alkyl ethers, polyoxyethylene alkylphenyl ethers, polyethylene glycol fatty acid esters, nonionic surfactants such as sorbitan fatty acid esters, and the like. , Alkylsulfates, polyoxyethylene alkyl ether sulfates, sulfosuccinates, taurine derivatives, phosphoric acid ester derivatives, and other anionic surfactants. Further, cationic surfactants such as alkyltrimethylammonium salts, alkylbeds, etc. Amphoteric surfactants such as Yin can be used. A typical example of a known zinc stearate aqueous emulsion is a zinc stearate aqueous emulsion "Hydrin manufactured by Chukyo Yushi Co., Ltd.
E-366 "," Hydrin Z-7-30 "," Hydrin F-930 "and the like.

【0009】リグノセルロース系物質成形体は、リグノ
セルロース系物質にポリイソシアネート組成物を付着さ
せ、加熱圧縮することによって得られる。成形条件は公
知のパーティクルボードの成形条件であればすべて適用
できる。有機ポリイソシアネートとワックスの水性エマ
ルジョンと脂肪族カルボン酸金属塩の水性エマルジョン
は、リグノセルロース系物質に塗布する直前に前記の3
成分を混合して使用するか、または各々別々に塗布して
使用する。このとき、水を加えた4成分であってもよ
い。
The lignocellulosic material molded article can be obtained by adhering a polyisocyanate composition to a lignocellulosic material and heating and compressing it. As the molding conditions, all known molding conditions for particle board can be applied. Aqueous emulsions of organic polyisocyanates and waxes and aqueous emulsions of aliphatic carboxylic acid metal salts can be prepared as described in the above 3 immediately before application to the lignocellulosic material.
The components are mixed and used, or they are separately applied and used. At this time, four components including water may be used.

【0010】リグノセルロース系物質に対する各々の添
加量は、絶乾状態のリグノセルロース系物質100重量
部に対し、有機ポリイソシアネートが固形分で5〜20
重量部、ワックスの水性エマルジョンが固形分で0.5
〜4.0重量部、脂肪族カルボン酸金属塩の水性エマル
ジョが固形分で0.1〜3.0重量部である。
The addition amount of each of the lignocellulosic materials is 5 to 20 in terms of solid content of organic polyisocyanate based on 100 parts by weight of the completely dried lignocellulosic material.
By weight, an aqueous emulsion of wax is 0.5 in solid content.
˜4.0 parts by weight, and the aqueous emulsion of the aliphatic carboxylic acid metal salt has a solid content of 0.1 to 3.0 parts by weight.

【0011】[0011]

【発明の効果】木質チップ、木質繊維等のリグノセルロ
ース系物質からなる物性の優れたの成形体を、熱圧成形
時の材料と金属表面との付着を防ぎながら製造すること
ができる。また、脂肪酸金属塩を用いたときに発生しや
すい耐水性の悪化を防ぐことができる。
EFFECTS OF THE INVENTION A molded product made of a lignocellulosic material such as wood chips and wood fibers and having excellent physical properties can be manufactured while preventing the material from adhering to the metal surface during thermocompression molding. Further, it is possible to prevent deterioration of water resistance which is likely to occur when a fatty acid metal salt is used.

【0012】[0012]

【実施例】以下、本発明を更に実施例により説明する
が、これに限定されるものではない。実施例における部
及び%は各々重量部及び重量%を示すものである。
EXAMPLES The present invention will now be described in more detail by way of examples, which should not be construed as limiting the invention. Parts and% in the examples mean parts by weight and% by weight, respectively.

【0013】実施例1 日本ポリウレタン工業製、水乳化型MDI「WC−30
0」20.1g、オリオン化成製、モンタンワックスエ
マルジョン「MN−30」(固形分30%)16.8
g、中京油脂製、ステアリン酸亜鉛水性エマルジョン
「ハイドリン E−366」(固形分40%)3.4
g、蒸留水34.1gをラボミキサーにて混合し、水性
エマルジョン溶液を得た。これを乾燥チップ100部に
対し23.2部(内訳は、水乳化型MDI「WC−30
0」=6部、モンタンワックスエマルジョン=5.0
部、ステアリン酸亜鉛水性エマルジョン=1.0部、蒸
留水=10.2部)添加し、以下の成形条件で熱圧成形
した。
Example 1 Water emulsion type MDI "WC-30" manufactured by Nippon Polyurethane Industry Co., Ltd.
0 "20.1 g, manufactured by Orion Kasei, Montan wax emulsion" MN-30 "(solid content 30%) 16.8
g, Chukyo Yushi, Zinc stearate aqueous emulsion "Hydrin E-366" (solid content 40%) 3.4
g and 34.1 g of distilled water were mixed with a lab mixer to obtain an aqueous emulsion solution. 23.2 parts for 100 parts of dry chips (breakdown is water-emulsified MDI "WC-30"
0 ”= 6 parts, Montan wax emulsion = 5.0
Parts, zinc stearate aqueous emulsion = 1.0 part, distilled water = 10.2 parts), and hot-pressed under the following molding conditions.

【0014】なお、その際、ボードの上下に日本テスト
パネル製の鉄板(SPCC−SB)を置き離型性の確認
を行った。 〔成形条件〕 ボードサイズ 25cm×25cm ボード厚み 9mm 設定密度 0.700 g/cm3 チップ含水率 3% ラワンチップ 製品含水率 9% マット含水率 16% プレス温度 160℃ プレス圧力 30kg/cm2 (面圧) プレス時間 ボード1mmあたり12秒(108秒)
At that time, the iron plates (SPCC-SB) made by Nippon Test Panel were placed on the upper and lower sides of the board to confirm the releasability. [Molding conditions] Board size 25 cm x 25 cm Board thickness 9 mm Set density 0.700 g / cm 3 Chip water content 3% Lauan chip product water content 9% Matt water content 16% Press temperature 160 ° C Press pressure 30 kg / cm 2 (Surface) Pressure) Press time 12 seconds per 1 mm board (108 seconds)

【0015】その結果、鉄板と得られたボードは容易に
剥離し、鉄板のへチップの付着はなかった。このボード
について、JIS A 5908に準じて曲げ強さを測
定したところ、283kg/cm2 であった。JIS
A 5901に準じて吸水厚さ膨張率を測定したとこ
ろ、6.2%であった。なお、測定法は以下の例におい
ても同様に行った。
As a result, the iron plate and the obtained board were easily peeled off, and no chips were attached to the iron plate. When the bending strength of this board was measured according to JIS A 5908, it was 283 kg / cm 2 . JIS
When the water absorption thickness expansion coefficient was measured according to A5901, it was 6.2%. In addition, the measurement method was similarly performed in the following examples.

【0016】実施例2 日本ポリウレタン工業製、水乳化型MDI「WC−30
0」20.0g、オリオン化成製、カルナバワックスエ
マルジョン「BN−50」(固形分50%)13.3
g、中京油脂製、ステアリン酸亜鉛水性エマルジョン
「ハイドリン F−930」(固形分40%)3.3
g、蒸留水39.0gをラボミキサーにて混合し、水性
エマルジョン溶液を得た。これを乾燥チップ100部に
対し22.7部(内訳は、水乳化型MDI「WC−30
0」=6部、モンタンワックスエマルジョン=4.0
部、ステアリン酸亜鉛水性エマルジョン=1.0部、蒸
留水=11.7部)添加し、実施例1と同じ成形条件で
熱圧成形した。その結果、鉄板と得られたボードは容易
に剥離し、鉄板のへチップの付着はなかった。このボー
ドの曲げ強度は、290kg/cm2 であり、吸水厚さ
膨張率は、6.1%であった。
Example 2 Water-emulsion type MDI "WC-30" manufactured by Nippon Polyurethane Industry Co., Ltd.
0 "20.0 g, manufactured by Orion Kasei, carnauba wax emulsion" BN-50 "(solid content 50%) 13.3
g, Chukyo Yushi, Zinc stearate aqueous emulsion "Hydrin F-930" (solid content 40%) 3.3
g and 39.0 g of distilled water were mixed with a lab mixer to obtain an aqueous emulsion solution. 22.7 parts of this with respect to 100 parts of dry chips (breakdown is water-emulsified MDI "WC-30"
0 ”= 6 parts, montan wax emulsion = 4.0
Parts, zinc stearate aqueous emulsion = 1.0 part, distilled water = 11.7 parts), and hot-pressed under the same molding conditions as in Example 1. As a result, the iron plate and the obtained board were easily peeled off, and no chips were attached to the iron plate. The flexural strength of this board was 290 kg / cm 2 , and the water absorption thickness expansion coefficient was 6.1%.

【0017】実施例3 実施例1と同じ条件で、水乳化型MDIのみを日本ポリ
ウレタン工業製、ポリメリックMDI「ミリオネートM
R300」に代えて熱圧成形した。その結果、鉄板と得
られたボードは容易に剥離し、鉄板のへチップの付着は
なかった。このボードの曲げ強度は、282kg/cm
2 であり、吸水厚さ膨張率は、6.2%であった。
Example 3 Under the same conditions as in Example 1, only water-emulsifiable MDI was manufactured by Nippon Polyurethane Industry Co., Ltd., Polymeric MDI "Millionate M".
Instead of "R300", thermocompression molding was performed. As a result, the iron plate and the obtained board were easily peeled off, and no chips were attached to the iron plate. The bending strength of this board is 282 kg / cm.
2 , and the coefficient of water absorption thickness expansion was 6.2%.

【0018】比較例1 日本ポリウレタン工業製、水乳化型MDI「WC−30
0」19.9g、オリオン化成製、モンタンワックスエ
マルジョン「MN−30」(固形分30%)33.2
g、蒸留水24.5gをラボミキサーにて混合し水性エ
マルジョン溶液を得た。これを乾燥チップ100部に対
し23.4部(内訳は、水乳化型MDI「WC−30
0」=6部、モンタンワックスエマルジョン=10.0
部、蒸留水=7.4部)添加し、実施例1と同じ成形条
件で熱圧成形した。その結果、鉄板とボードは強固に付
着しており、引き剥がすことができなかった。
Comparative Example 1 Water-emulsion type MDI "WC-30" manufactured by Nippon Polyurethane Industry Co., Ltd.
0 "19.9 g, manufactured by Orion Kasei, Montan wax emulsion" MN-30 "(solid content 30%) 33.2
g and 24.5 g of distilled water were mixed with a lab mixer to obtain an aqueous emulsion solution. 23.4 parts per 100 parts of the dried chips (the breakdown is water-emulsified MDI "WC-30"
0 "= 6 parts, montan wax emulsion = 10.0
Parts, distilled water = 7.4 parts) and hot-pressed under the same molding conditions as in Example 1. As a result, the iron plate and the board were firmly attached and could not be peeled off.

【0019】比較例2 日本ポリウレタン工業製、水乳化型MDI「WC−30
0」20.1g、中京油脂製、ステアリン酸亜鉛水性エ
マルジョン「ハイドリン E−366」(固形分40
%)16.7g、蒸留水37.8gをラボミキサーにて
混合し水性エマルジョン溶液を得た。これを乾燥チップ
100部に対し22.3部(内訳は、水乳化型MDI
「WC−300」=6部、ステアリン酸亜鉛水性エマル
ジョン=5部、蒸留水=11.3部)添加し、実施例1
と同じ成形条件で熱圧成形した。その結果、鉄板と得ら
れたボードは容易に剥離し、鉄板へのチップの付着はな
かった。しかし、このボードの吸水厚さ膨張率は、1
3.1%であり、実施例1〜3に比べて著しく耐水性に
劣った。
Comparative Example 2 Water Emulsion type MDI "WC-30" manufactured by Nippon Polyurethane Industry Co., Ltd.
0 "20.1 g, Chukyo Yushi, zinc stearate aqueous emulsion" Hydrin E-366 "(solid content 40
%) 16.7 g and distilled water 37.8 g were mixed in a lab mixer to obtain an aqueous emulsion solution. 22.3 parts for 100 parts of dry chips (breakdown is water-emulsified MDI
“WC-300” = 6 parts, zinc stearate aqueous emulsion = 5 parts, distilled water = 11.3 parts), and Example 1 is added.
Thermocompression molding was performed under the same molding conditions as described above. As a result, the iron plate and the obtained board were easily peeled off, and no chips were attached to the iron plate. However, the water absorption thickness expansion coefficient of this board is 1
It was 3.1%, and was significantly inferior in water resistance as compared with Examples 1 to 3.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 バインダーとして有機ポリイソシアネー
ト化合物を用いるリグノセルロース系物質成形体の製造
方法において、(A)有機ポリイソシアネートと、
(B)融点50〜160℃の範囲にあるワックスの水性
エマルジョンと、(C)炭素数8〜35の脂肪族カルボ
ン酸金属塩の水性エマルジョンと、からなる組成物にて
接着すること、を特徴とする前記リグノセルロース系物
質成形体の製造方法。
1. A method for producing a lignocellulosic material molded article using an organic polyisocyanate compound as a binder, comprising: (A) an organic polyisocyanate;
Bonding with a composition comprising (B) an aqueous wax emulsion having a melting point in the range of 50 to 160 ° C. and (C) an aqueous emulsion of an aliphatic carboxylic acid metal salt having 8 to 35 carbon atoms. The method for producing the above-mentioned lignocellulosic material molded body.
JP9048396A 1996-02-22 1997-02-17 Manufacture of lignocellulose material molding body Pending JPH09286008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9048396A JPH09286008A (en) 1996-02-22 1997-02-17 Manufacture of lignocellulose material molding body

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6008096 1996-02-22
JP8-60080 1996-02-22
JP9048396A JPH09286008A (en) 1996-02-22 1997-02-17 Manufacture of lignocellulose material molding body

Publications (1)

Publication Number Publication Date
JPH09286008A true JPH09286008A (en) 1997-11-04

Family

ID=26388653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9048396A Pending JPH09286008A (en) 1996-02-22 1997-02-17 Manufacture of lignocellulose material molding body

Country Status (1)

Country Link
JP (1) JPH09286008A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002069417A (en) * 2000-08-24 2002-03-08 Nippon Polyurethane Ind Co Ltd Adhesive composition for hot press molded article of lignocellulosic material, and hot press molded article using the same and its manufacturing method
JP2002194321A (en) * 2000-12-22 2002-07-10 Nippon Polyurethane Ind Co Ltd Adhesive composition for lignocellulosic hot-pressed article and method for producing hot-pressed article using the adhesive composition
JP2002226820A (en) * 2001-01-31 2002-08-14 Nippon Polyurethane Ind Co Ltd Adhesive composition for lignocellulose-based hot- pressed formed body and method for producing hot- pressed formed body using the same
JP2002241729A (en) * 2001-02-14 2002-08-28 Nippon Polyurethane Ind Co Ltd Lignocellulose-based adhesive composition for thermocompression-molded article, and method for producing thermocompression-molded article using the adhesive composition
JP2003082323A (en) * 2001-09-13 2003-03-19 Nippon Polyurethane Ind Co Ltd Adhesive composition for lignocellulose-based hot-press molded article, and method for manufacturing hot-press molded article using the same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002069417A (en) * 2000-08-24 2002-03-08 Nippon Polyurethane Ind Co Ltd Adhesive composition for hot press molded article of lignocellulosic material, and hot press molded article using the same and its manufacturing method
JP2002194321A (en) * 2000-12-22 2002-07-10 Nippon Polyurethane Ind Co Ltd Adhesive composition for lignocellulosic hot-pressed article and method for producing hot-pressed article using the adhesive composition
JP4632165B2 (en) * 2000-12-22 2011-02-16 日本ポリウレタン工業株式会社 Adhesive composition for lignocellulosic hot-press molded body and method for producing hot-press molded body using the same
JP2002226820A (en) * 2001-01-31 2002-08-14 Nippon Polyurethane Ind Co Ltd Adhesive composition for lignocellulose-based hot- pressed formed body and method for producing hot- pressed formed body using the same
JP4632166B2 (en) * 2001-01-31 2011-02-16 日本ポリウレタン工業株式会社 Adhesive composition for lignocellulosic hot-press molded body and method for producing hot-press molded body using the same
JP2002241729A (en) * 2001-02-14 2002-08-28 Nippon Polyurethane Ind Co Ltd Lignocellulose-based adhesive composition for thermocompression-molded article, and method for producing thermocompression-molded article using the adhesive composition
JP4697645B2 (en) * 2001-02-14 2011-06-08 日本ポリウレタン工業株式会社 Adhesive composition for lignocellulosic hot-press molded body and method for producing hot-press molded body using the same
JP2003082323A (en) * 2001-09-13 2003-03-19 Nippon Polyurethane Ind Co Ltd Adhesive composition for lignocellulose-based hot-press molded article, and method for manufacturing hot-press molded article using the same

Similar Documents

Publication Publication Date Title
US4431455A (en) Wax dispersions and their use in the manufacture of sheets or moulded bodies
US4396673A (en) Methods for the manufacture of particle board utilizing an isocyanate binder and mineral wax release agent in an aqueous emulsion
US6365650B1 (en) Heat and radio frequency-curable two-pack soy protein-based polyurethane adhesive compositions
US4388138A (en) Preparing particleboard utilizing a vegetable wax or derivative and polyisocyanate as a release agent on metal press parts
JPH09286007A (en) Manufacture of lignocellulose material molding body
JP2002533249A (en) Method for producing wood composite material containing thixotropic binder composition
CA2452679C (en) Release agent for lignocellulosic composites
JPH0416488B2 (en)
KR20010033033A (en) Binder composition and process for manufacturing board by using the binder composition
CA2193618C (en) Self-release binder system
JP2002532293A (en) Extended polymethylene poly (phenylisocyanate) resin binder for the manufacture of wood composite products
US4898776A (en) Isocyanate/surfactant-modified polyol binder for manufacture of lignocellulosic composites
JPH09286008A (en) Manufacture of lignocellulose material molding body
CA2043331A1 (en) Mould-release compositions
EP0046014A1 (en) Sheets or moulded bodies, methods for their manufacture and aqueous emulsions for use in their manufacture
TW400368B (en) Binder composition and process for producing a hot press molded board using the same
JP3702452B2 (en) Method for producing a molded body of lignocellulosic material
JP4845535B2 (en) Release agent composition for hot pressing and method for producing board
JPS60101004A (en) Manufacture of lignocellulose group composite molded shape
AU731345B2 (en) Process for producing compression molded article of lignocellulose type material
JP2006272663A (en) Method for manufacturing shaped body of lignocellulose-series substance
JP2006182799A (en) Curing accelerator for urethane resin, urethane resin-based adhesive and board using the same adhesive and method for producing the same board
JP2000119626A (en) Binder composition and production of board using same
JPS6186225A (en) Manufacture of lignocellulose group isocyanate molded composition
JPH0438566B2 (en)

Legal Events

Date Code Title Description
A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20040510