JPS617334A - Method for forming wood-based neutralized aggregate for resin molding - Google Patents
Method for forming wood-based neutralized aggregate for resin moldingInfo
- Publication number
- JPS617334A JPS617334A JP12712084A JP12712084A JPS617334A JP S617334 A JPS617334 A JP S617334A JP 12712084 A JP12712084 A JP 12712084A JP 12712084 A JP12712084 A JP 12712084A JP S617334 A JPS617334 A JP S617334A
- Authority
- JP
- Japan
- Prior art keywords
- molding
- aggregate
- wood
- resin
- resin molding
- 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
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 45
- 229920005989 resin Polymers 0.000 title claims abstract description 38
- 239000011347 resin Substances 0.000 title claims abstract description 38
- 239000002023 wood Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 21
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims abstract description 7
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 230000002378 acidificating effect Effects 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 17
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 239000010903 husk Substances 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract description 27
- 239000002994 raw material Substances 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 abstract description 2
- 235000011130 ammonium sulphate Nutrition 0.000 abstract description 2
- 239000004202 carbamide Substances 0.000 abstract description 2
- 239000000052 vinegar Substances 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 description 14
- 239000001913 cellulose Substances 0.000 description 14
- 239000002253 acid Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 235000013312 flour Nutrition 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000010875 treated wood Substances 0.000 description 1
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は木粉等のセルロース系素材を混入した樹脂成
形物の成形に適した骨材の成形方法の開示に係わるもの
である。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to the disclosure of a method for molding an aggregate suitable for molding a resin molded product mixed with a cellulose material such as wood flour.
（従来技術）
しかして、従荊に於けるこの種のセルロース系素材を取
入れた樹脂成形物は、成形歪み、熱膨張率が少ない等の
利点と、断熱特性に優れ、手触り感が良好である等の利
点とよりして種々の開発が試みられてきたものである。(Prior art) However, the resin molded products that incorporate this type of cellulose material in Conjuring have advantages such as low molding distortion and low coefficient of thermal expansion, excellent heat insulation properties, and a good feel to the touch. Various developments have been attempted based on these advantages.
その一つは、セルロース系素材である木粉を塩化ビニル
等の樹脂素材中に混入して、樹脂成形に際して発生する
木酸ガスを別途混入する中和剤をもって中和しながら樹
脂成形をなしたものであり、又他の−っは、混入する木
粉に対し、予め苛性ソーダ液等による中和処理を施した
上で樹脂成形をなしたものである。更に、他の一つは、
樹脂成形に於いて生ずる木酸ガス等を大気中に一放出し
得える成形手法、例えばロール成形、ホットプレス成形
等によって樹脂成形をなしたものである。One method is to mix wood flour, which is a cellulose-based material, into a resin material such as vinyl chloride, and mold the resin while neutralizing the wood acid gas generated during resin molding with a neutralizing agent. In other cases, the wood flour mixed in the molded material is neutralized with a caustic soda solution, etc., and then resin molded. Furthermore, another one is
The resin is molded using a molding method that allows releasing wood acid gas and the like generated during resin molding into the atmosphere, such as roll molding and hot press molding.
（発明が解決しようとする問題点）
しかし乍ら、−ｂｎる従前手法に於いては樹脂成形工種
々の不都合が内在されたものである。(Problems to be Solved by the Invention) However, the conventional resin molding method has various disadvantages.
その一つは、成形機シリンダー内に於いて生ずる木酸ガ
スを、アルカリ性のガスをもって中和する場合、シリン
ダー内にガスが残溜し易く。One of them is that when the wood acid gas generated in the cylinder of the molding machine is neutralized with alkaline gas, the gas tends to remain in the cylinder.
結果的に成形品に発泡、巣等をもたらすと共に表面の荒
れが余儀なくされたものである。又、か−る手法に於い
ては、木酸ガスが生じた後に中和処理がなされることよ
り、往々にしてシリンダー内壁面あるいはスクリュー、
ないしは成形ダイ、金型等の被傷をもたらしたものであ
る。As a result, foaming, cavities, etc. were caused in the molded product, and the surface was inevitably roughened. In addition, in such methods, since the neutralization treatment is performed after wood acid gas is generated, the inner wall surface of the cylinder or the screw,
Or it may have caused damage to the molding die, mold, etc.
次いで、苛性ソーダ液等による中和処理を前提とした樹
脂成形に於いては、この樹脂成形の加熱に際して、処理
済木粉等が再度強い酸性値を示し、木酸ガスを発生した
ものである。Then, in resin molding based on neutralization treatment with caustic soda solution, etc., the treated wood powder etc. again showed a strong acidity value during heating of this resin molding, and wood acid gas was generated.
又、ロール成形あるいはホットプレス成形等の素材が直
接大気と接触する手法の樹脂成形に於いては、種々のニ
ーズに即応する樹脂成形品の提供を困難としたものであ
る。Furthermore, in resin molding methods such as roll molding or hot press molding in which the raw material comes into direct contact with the atmosphere, it has become difficult to provide resin molded products that readily meet various needs.
（問題点を解決するための手段）
本発明は、かへる問題点を解決する手段として、木粉等
のセルロース系素材が有する酢酸を強制的に取り除き、
樹脂成形に際して木酸等の酢酸ガスの生ずる余地を一切
無いものとして効果的なセルロース系素材を有する樹脂
成形物を提供しようとするものであって、その構成の要
旨をチップ破砕物、パルプ、籾殻等のセルロース系素材
に、モノエタノールアミン、トリエタノールアミンＡの
酸性ガスを吸、放出する処理液を含浸して、加熱処理並
びに破砕処理を施すようにした点に置き、以下の具体的
な実施例と、この実施例に伴う相当の他の変更例とが予
定されたものである。(Means for Solving the Problem) The present invention, as a means to solve the problem of staining, forcibly removes acetic acid contained in cellulose materials such as wood flour.
The purpose is to provide a resin molded product containing a cellulose material that is effective in eliminating the generation of acetic acid gas such as wood acid during resin molding. The following specific implementation is based on the fact that cellulose-based materials such as, etc. are impregnated with a treatment solution that absorbs and releases acidic gases such as monoethanolamine and triethanolamine A, and then subjected to heat treatment and crushing treatment. Examples and considerable other modifications of this embodiment are contemplated.
以下、本発明に係る樹脂成形用木質中和骨材の具体的な
成形方法について説明する。Hereinafter, a specific method for molding the neutralized wood aggregate for resin molding according to the present invention will be described.
先ず、使用されるべきセルロース系素材は、チップ破砕
物、パルプ破砕物ないしは籾殻、バカス等であって、こ
れらのセルロース系素材を気乾含水率以内に乾燥処理し
て、その素材中の繊維組織の崩壊をもたらすようになし
、次いで、この乾燥素材に対し、モノエタノールアミン
、トリエタノールアミン、アンモニウムサルフェート、
尿素等の液体を含浸し、これを加熱するようにしたもの
である。First, the cellulose-based materials to be used are crushed chips, crushed pulp, rice husks, bakasu, etc. These cellulose-based materials are dried to an air-dried moisture content of less than 10% to remove the fiber structure in the materials. Monoethanolamine, triethanolamine, ammonium sulfate,
It is impregnated with a liquid such as urea and heated.
尚、これらの含浸添加される液体はセルロース系素材内
に含まれる木酸等の酢酸を吸収すると共に、加熱に伴っ
て放出する機能を有するものであり、モノエタノールア
ミン、トリエタノールアミン等は、この典型的な処理剤
とされたものである。These impregnating liquids have the function of absorbing acetic acid such as wood acid contained in the cellulose material and releasing it when heated. Monoethanolamine, triethanolamine, etc. This is considered to be a typical processing agent.
次いで、処理剤の含浸後に於ける処理として、処理剤が
充分に含浸、乾燥された状・態で。Next, as a treatment after impregnation with the processing agent, the material is sufficiently impregnated with the processing agent and dried.
このセルロース系素材を加熱条件下に於いて粉砕し、微
細な骨材を得る手法と、セルロース系素材に処理剤を含
浸し、これを加熱した後に１、別途微細粉末状に粉砕処
理する手法とが予定されたものである。One method involves crushing this cellulose-based material under heating conditions to obtain fine aggregate, and the other involves impregnating the cellulose-based material with a processing agent, heating it, and then separately crushing it into a fine powder. was planned.
尚、加熱処理は、素材の形態、大きさ等の加熱処理時間
との兼合いより概ね１００℃〜２５０℃の温域内に於い
て設定されたものであり、処理剤の有する酸性ガスの吸
放出機能を、より効果的に引き出すに都合の良い条件設
定がなされたものである。In addition, the heat treatment was set at a temperature range of approximately 100°C to 250°C, taking into consideration the shape and size of the material and the heat treatment time, and the temperature range was approximately 100°C to 250°C. Conditions have been set that are convenient for bringing out the functions more effectively.
か＼る処理剤の添加と、加熱処理に伴って、セルロース
系素材に於ける木酸ガスは、モノエタノールアミン等の
処理剤に取り込まれると共に１次いで加えられる加熱処
理に伴って、この吸収したガスの放出をなしたものであ
り、素材中に含まれる木酸ガスの効果的な除去がなされ
たものである。With the addition of such a treatment agent and heat treatment, the wood acid gas in the cellulose material is absorbed into the treatment agent such as monoethanolamine, and this absorbed gas is absorbed by the heat treatment that is added next. This results in the release of gas, and the effective removal of wood acid gas contained in the material.
又、か−る加熱処理に伴って、素材中の含有水分を３ｏ
／ｗｔ以内とし、又粒径も１００〜１５Ｇメツシユ程度
の微粉状乾燥骨材としたものである。In addition, due to the heat treatment, the moisture content in the material was reduced to 30
/wt or less, and the particle size is about 100 to 15G mesh.
本発明に係る樹脂成形用の木質中和骨材は叙上に於ける
成形方法よりなることから、骨材中の木酸ガス等の酢酸
が効果的に取除かれると共に、乾燥し、しかも良好な混
合に適する微細粒径の骨材提供を可能としたものである
。Since the wood neutralized aggregate for resin molding according to the present invention is formed by the molding method described above, acetic acid such as wood acid gas in the aggregate is effectively removed, and it dries and has good properties. This makes it possible to provide aggregate with a fine particle size suitable for precise mixing.
（効果）
本発明に係る樹脂成形用の木質中和骨材は、軟土成形手
法よりなることから以下の具体的な効果の奏効が認めら
れた。(Effects) Since the neutralized wood aggregate for resin molding according to the present invention is formed using a soft earth molding method, the following specific effects were observed.
（１）従前困難とされたセルロース系素材中の酢酸の中
和に代るべきものとして、含有酢酸の効果的な除去を可
能とし、以降の樹脂成形時の加熱処理に伴う酢酸ガスの
発生を防止した６
（２）苛性ソーダ等強アルカリ系処理剤による中和処理
と異なり素材の品質劣化が少ない。(1) As an alternative to the neutralization of acetic acid in cellulose materials, which was previously considered difficult, it enables the effective removal of acetic acid contained in it, and reduces the generation of acetic acid gas during heat treatment during subsequent resin molding. (2) Unlike neutralization treatment using strong alkaline treatment agents such as caustic soda, there is little deterioration in the quality of the material.
（３）処理が容易であり、小型の設備をもって骨材の成
形が可能である。(3) It is easy to process, and the aggregate can be formed using small equipment.
（０成形された骨材には次の樹脂成形上の利点が認めら
れる。(0-molded aggregate has the following advantages in terms of resin molding.
ａ 樹脂成形に際して酢酸ガスの発生がないので、射出
成形、押出成形等、いずれの成形手法に於いても成形可
能な骨材とされ、しかも成形品に於ける発泡、巣あるい
は肌荒れの問題が無い。a Since no acetic acid gas is generated during resin molding, the aggregate can be molded in any molding method such as injection molding or extrusion molding, and there are no problems with foaming, cavities or rough skin in molded products. .
ｂ 含有水分が３ｏ／ｗｔ以内とされ、しかも粒径が１
００〜１５０メツシユとされたことより、樹脂材との馴
染みが比較的良好とされ、円滑な樹脂成形が約束される
と共に発泡、巣等の無い成形品の提供が可能とされる。b Moisture content is within 3o/wt and particle size is 1
Since the mesh size is 00 to 150, it is said to have relatively good compatibility with the resin material, ensuring smooth resin molding and making it possible to provide molded products without foaming, cavities, etc.
Ｃ目的とする量のセルロース系素材の混入による樹脂成
形が約束された。この為、成形歪、曲げ強度特性、断熱
特性等、目的とする品質を有する樹脂成形品の提供が可
能とされた。C Resin molding by mixing the desired amount of cellulose material was promised. For this reason, it has become possible to provide resin molded products having desired qualities such as molding distortion, bending strength characteristics, and heat insulation characteristics.
（実施例）
軟土に於ける本発明に係る樹脂成形用の木質中和骨材は
、具体的な樹脂成形に於いて、夫々に定まる骨材量を塩
化ビニル等の樹脂素材に混練して使用したものであり、
成形すべき製品の種類が、シート、フィル云あるいは板
ないしは桿状であるか、あるいは又射出成形、押出し成
形、回転成形、ブロウ成形あるいはロール成形ないしは
ホットプレス成形であるか、等の成形上の問題と、目的
とする成形歪量の許容量、予定される曲げ強度、耐衝撃
強度等を総合的に勘案して、混入骨材量の決定がなされ
たものである。(Example) The neutralized wood aggregate for resin molding according to the present invention in soft soil can be obtained by kneading a determined amount of aggregate into a resin material such as vinyl chloride in specific resin molding. It was used,
Molding issues such as whether the type of product to be molded is a sheet, film, plate, or rod shape, or whether it is injection molding, extrusion molding, rotary molding, blow molding, roll molding, or hot press molding. The amount of mixed aggregate was determined by comprehensively taking into consideration the desired allowable amount of molding distortion, expected bending strength, impact strength, etc.
又、かへる樹脂成形手法によることなく、作成された骨
材に熱可塑性樹脂素材のコンパウンドを混合、練合せる
ことにより骨材周面に樹脂素材の結着をなし、この事前
の処理を施した素材を、そのま＼樹脂成形素材とし、あ
るいは、これに他の樹脂素材を混合して樹脂成形をなす
ことが予定されたものである。か−る手法に於いては、
樹脂と骨材との混合が確実になされる利点と、骨材に於
ける乾燥病態が効果的に保持される利点が存したもので
ある。In addition, without using the heat-resin molding method, by mixing and kneading the prepared aggregate with a thermoplastic resin compound, the resin material is bound to the surrounding surface of the aggregate, and this preliminary treatment is applied. It was planned that the resulting material could be used as it is as a resin molding material, or it could be mixed with other resin materials to be resin molded. In this method,
This has the advantage that the resin and aggregate can be mixed reliably, and the dry state of the aggregate can be effectively maintained.
Claims (3)
材に、モノエタノールアミン、トリ エタノールアミン等の酸性ガスを吸、放出 する処理液を含浸して、加熱処理並びに破 砕処理を施すようにしたことを特徴とする 樹脂成形用木質中和骨材の成形方法。(1) Cellulosic materials such as crushed chips, bulbs, and rice husks are impregnated with a treatment liquid that absorbs and releases acidic gases such as monoethanolamine and triethanolamine, and then subjected to heat treatment and crushing treatment. A method for molding neutralized wood aggregate for resin molding, characterized by:
理に於いて含有水分量を３ｏ／ｗｔ以内としたことを特
徴とする特許請求の範囲第一 項記載に係る樹脂成形用木質中和骨材の成 形方法。(2) The wood medium for resin molding according to claim 1, characterized in that the heat treatment and the crushing treatment are separate processes, and the moisture content in the heat treatment is set to within 3 O/wt. Method of forming Japanese aggregate.
砕前に素材の乾燥がなされているこ とを特徴とする特許請求の範囲第一項記載 に係る樹脂成形用木質中和骨材の成形方 法。(3) The neutralized wood aggregate for resin molding according to claim 1, wherein the heat treatment and the crushing process are performed in the same process, and the material is dried before crushing. Molding method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12712084A JPS617334A (en) | 1984-06-20 | 1984-06-20 | Method for forming wood-based neutralized aggregate for resin molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12712084A JPS617334A (en) | 1984-06-20 | 1984-06-20 | Method for forming wood-based neutralized aggregate for resin molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS617334A true JPS617334A (en) | 1986-01-14 |
Family
ID=14952098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12712084A Pending JPS617334A (en) | 1984-06-20 | 1984-06-20 | Method for forming wood-based neutralized aggregate for resin molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS617334A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002059182A1 (en) * | 2001-01-26 | 2002-08-01 | Arno Ernest Keller | Process for the preparation of rice hulls impregnated with oil, fat or grease useful as fillers for resins |
-
1984
- 1984-06-20 JP JP12712084A patent/JPS617334A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002059182A1 (en) * | 2001-01-26 | 2002-08-01 | Arno Ernest Keller | Process for the preparation of rice hulls impregnated with oil, fat or grease useful as fillers for resins |
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