JPH1086105A - Modifier for woody material - Google Patents
Modifier for woody materialInfo
- Publication number
- JPH1086105A JPH1086105A JP26946296A JP26946296A JPH1086105A JP H1086105 A JPH1086105 A JP H1086105A JP 26946296 A JP26946296 A JP 26946296A JP 26946296 A JP26946296 A JP 26946296A JP H1086105 A JPH1086105 A JP H1086105A
- Authority
- JP
- Japan
- Prior art keywords
- modifier
- wood
- polyether
- integer
- alkyl group
- 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
- 239000000463 material Substances 0.000 title claims abstract description 29
- 239000003607 modifier Substances 0.000 title claims abstract description 22
- 239000002023 wood Substances 0.000 claims abstract description 28
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 10
- 229920000570 polyether Polymers 0.000 claims abstract description 10
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 7
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000007864 aqueous solution Substances 0.000 abstract description 7
- 239000000243 solution Substances 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract description 2
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical group [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 239000002202 Polyethylene glycol Substances 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 238000005470 impregnation Methods 0.000 description 7
- 229920001223 polyethylene glycol Polymers 0.000 description 7
- 238000007654 immersion Methods 0.000 description 5
- -1 1,2 propylene group Chemical group 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000190021 Zelkova Species 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Landscapes
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は建築材料、住宅設備
材料、エクステリア材料などの木質材料の改質剤に関す
る。TECHNICAL FIELD The present invention relates to a modifier for wood materials such as building materials, housing equipment materials and exterior materials.
【０００２】[0002]
【従来の技術】従来は、木質材料に寸法安定性を付与す
る改質剤としてポリエチレングリコールまたはポリエチ
レングリコールメタクリル酸エステルなどの水溶性化合
物からなる改質剤があり、これらを木質材料に含浸さ
せ、乾燥または硬化させる方法があった。2. Description of the Related Art Conventionally, there are modifiers composed of water-soluble compounds such as polyethylene glycol or polyethylene glycol methacrylic acid ester as modifiers for imparting dimensional stability to wood materials. There was a method of drying or curing.
【０００３】[0003]
【発明が解決しようとする課題】しかし、ポリエチレン
グリコールはブリードアウトしやすいため、長期間にわ
たって寸法安定性を維持することは困難であった。また
ポリエチレングリコールメタクリル酸エステルにおいて
も、重合、硬化後にエステル結合が水あるいは湿気によ
って加水分解され、ポリエチレングリコールが遊離して
ブリードアウトするため、長期間にわたって寸法安定性
を維持するのは困難であった。However, since polyethylene glycol easily bleeds out, it is difficult to maintain dimensional stability for a long period of time. Also in the case of polyethylene glycol methacrylic acid ester, the ester bond is hydrolyzed by water or moisture after polymerization and curing, and polyethylene glycol is released and bleeds out, which makes it difficult to maintain dimensional stability for a long period of time. ..
【０００４】[0004]
【０００５】一般式（１）におけるＲ1、Ｒ2の炭素数１
〜６のアルキル基としてはメチル基、エチル基、プロピ
ル基、ブチル基等が挙げられるが、水との相溶性の点か
ら、これらのうちで好ましいものはメチル基である。Ａ
の炭素数３〜４のアルキレン基としては、１，２プロピ
レン基、１，２ブチレン基、１，４ブチレン基等が挙げ
られる。The carbon number of R 1 and R 2 in the general formula (1) is 1
Examples of the alkyl group of to 6 include a methyl group, an ethyl group, a propyl group, a butyl group and the like. Among them, a methyl group is preferable from the viewpoint of compatibility with water. A
Examples of the alkylene group having 3 to 4 carbon atoms include 1,2 propylene group, 1,2 butylene group and 1,4 butylene group.
【０００６】ｎは通常、１〜１５０の整数であり、好ま
しくは２〜１１０である。ｍは通常、０または１〜１０
０の整数を示し、好ましくは０または１〜４０である。N is generally an integer of 1 to 150, preferably 2 to 110. m is usually 0 or 1-10
It represents an integer of 0, and is preferably 0 or 1 to 40.
【０００７】（ＣＨ2ＣＨ2Ｏ）と（ＡＯ）の共重合形態
はランダムでもブロックでもよい。The copolymerization form of (CH 2 CH 2 O) and (AO) may be random or block.
【０００８】該ポリエーテルの平均分子量は一般式
（１）のｎが１〜１５０であり、ｍは０または１〜１０
０であることからも示されるが、通常９０〜１００００
であり、好ましくは１３０〜５０００である。平均分子
量が９０未満では１分子中のポリアルキレンオキシド部
分が占める割合が少なくなるため、充分な寸法安定効果
が得られない。また、平均分子量が１００００を越える
と木質材料中への含浸が充分に行われない。The average molecular weight of the polyether is such that n in the general formula (1) is 1 to 150 and m is 0 or 1 to 10.
It is also shown to be 0, but usually 90 to 10,000
And preferably 130 to 5000. If the average molecular weight is less than 90, the proportion of the polyalkylene oxide moiety in one molecule is small, so that a sufficient dimensional stability effect cannot be obtained. Further, if the average molecular weight exceeds 10,000, the wood material is not sufficiently impregnated.
【０００９】該ポリエーテルの製造方法としては、たと
えばポリアルキレングリコールをアルカリ性化合物の存
在下にハロゲン化アルキルでエーテル化する方法などが
挙げられる。Examples of the method for producing the polyether include a method in which a polyalkylene glycol is etherified with an alkyl halide in the presence of an alkaline compound.
【００１０】本発明の木質材料用改質剤の使用方法とし
ては、該ポリエーテルを水に溶解して含浸・乾燥させる
方法が挙げられる。該ポリエーテルの水中の濃度は寸法
安定性および水溶液粘度の観点から、通常５〜７０％で
あり、好ましくは１０〜４０％である。なお、改質剤の
木質材料への浸透性を良くするために水溶液にエタノー
ル、メタノール、イソプロパノール、アセトンなどの水
溶性有機溶剤、または、浸透性向上効果のある界面活性
剤を添加して用いてもよい。Examples of the method of using the modifier for a wood material of the present invention include a method of dissolving the polyether in water and impregnating and drying. The concentration of the polyether in water is usually 5 to 70%, preferably 10 to 40% from the viewpoint of dimensional stability and aqueous solution viscosity. In addition, in order to improve the permeability of the modifier to the wood-based material, use a water-soluble organic solvent such as ethanol, methanol, isopropanol, or acetone, or a surfactant having an effect of improving permeability to the aqueous solution. Good.
【００１１】本発明の木質材料用改質剤の木質材料への
含浸方法としては、塗布法、浸漬法、減圧浸漬法、加圧
注入法、減圧注入法、減圧−加圧注入法などがあるが、
いずれの方法でも処理できる。好ましくは浸漬法、減圧
浸漬法である。含浸の温度は、通常は常温でよいが、可
能な範囲で加温してもよい。含浸時間は、通常１〜４８
時間である。The method for impregnating the woody material modifying agent for woody material of the present invention into a woody material includes a coating method, an immersion method, a reduced pressure immersion method, a pressure injection method, a reduced pressure injection method, a reduced pressure-pressure injection method and the like. But,
It can be processed by either method. The immersion method and the reduced pressure immersion method are preferred. The temperature of the impregnation is usually room temperature, but it may be warmed within the range possible. The impregnation time is usually 1 to 48
It's time.
【００１２】木質材料に含浸した後、乾燥させる。乾燥
方法としては自然乾燥、送風乾燥等が挙げられる。乾燥
温度は通常、常温〜１４０℃、好ましくは常温〜１１０
℃である。After impregnating the wood material, it is dried. Examples of the drying method include natural drying and blast drying. The drying temperature is usually room temperature to 140°C, preferably room temperature to 110°C.
℃.
【００１３】本発明の改質剤には必要により、木質材料
用の防腐剤、防かび剤、殺虫剤、防蟻剤などを併用する
こともできる。If desired, the modifying agent of the present invention may also be used in combination with a preservative, a fungicide, an insecticide, an ant-preventive agent, etc. for wood materials.
【００１４】本発明の改質剤が使用できる木質材料とし
ては、通常の棒状、板状、ブロック状の木材、合板、パ
ーティクルボード、木粉、木材チップなど木材を主な原
材料とする木質材料であり、木材の種類としてはナラ、
ケヤキ等の種々のものが挙げられる。The wood material which can be used as the modifier of the present invention is a wood material mainly made of wood such as ordinary rod-shaped, plate-shaped, block-shaped wood, plywood, particle board, wood powder and wood chips. Yes, as the type of wood oak,
There are various types such as zelkova.
【００１５】本発明の改質剤で処理された木質材料は高
い寸法安定性を長期間にわたって発揮するので、寸法安
定性を要求される材料、例えば、木材を原材料とする各
種の建築材料、住宅設備材料、その他のエクステリア材
料などに使用することができる。Since the wood material treated with the modifier of the present invention exhibits high dimensional stability for a long period of time, materials requiring dimensional stability, for example, various building materials made from wood as raw materials, houses It can be used for equipment materials and other exterior materials.
【００１６】[0016]
【実施例】以下、実施例により本発明をさらに説明する
が、本発明はこれに限定されない。以下において、部は
重量部を示す。The present invention will be further described below with reference to examples, but the present invention is not limited thereto. In the following, "part" means "part by weight".
【００１７】実施例１〜７ 実施例１〜７に使用した改質剤の一般式（１）における
Ｒ1、Ｒ2、Ａ、ｎおよびｍ並びに数平均分子量を表１に
示す。Examples 1 to 7 Table 1 shows R 1 , R 2 , A, n and m and the number average molecular weight in the general formula (1) of the modifier used in Examples 1 to 7.
【００１８】[0018]
【表１】 表中、Ｍeはメチル基、Ｅtはエチル基を、１，２Ｐｒは
１，２プロピレン基を示す。[Table 1] In the table, Me represents a methyl group, Et represents an ethyl group, and 1,Pr represents a 1,2-propylene group.
【００１９】Ａ：サンファイン ＤＭ−２００ （三
洋化成工業株式会社製） Ｂ：サンファイン ＤＭ−１０００ （三洋化成工業株
式会社製） Ｃ：サンファイン ＤＭ−４０００ （三洋化成工業株
式会社製） Ｄ：サンファイン ＤＥ−２０００ （三洋化成工業株
式会社製） Ｅ：サンファイン ＤＭＲ−２０２６（三洋化成工業株
式会社製） Ｆ：サンファイン ＤＭＢ−２０２６（三洋化成工業株
式会社製） Ｇ：サンファイン ＭＭ−２０００ （三洋化成工業株
式会社製）A: Sunfine DM-200 (manufactured by Sanyo Chemical Industry Co., Ltd.) B: Sunfine DM-1000 (manufactured by Sanyo Chemical Industry Co., Ltd.) C: Sunfine DM-4000 (manufactured by Sanyo Chemical Industry Co., Ltd.) D: Sunfine DE-2000 (manufactured by Sanyo Kasei Co., Ltd.) E: Sunfine DMR-2026 (manufactured by Sanyo Kasei Co., Ltd.) F: Sunfine DMB-2026 (manufactured by Sanyo Kasei Co., Ltd.) G: Sunfine MM-2000 (Made by Sanyo Kasei Co., Ltd.)
【００２０】表１のポリエーテルの２０％水溶液を作成
した。１０５℃で絶乾状態にしたミズナラ材の木片（３
０×３０×５ｍｍ）８枚を改質剤水溶液に浸漬し、−５
０ｃｍＨｇの減圧下で３時間含浸させた。木片を取り出
した後、木片を水中に２４時間浸漬し、取り出した後、
１０５℃の乾燥器で２０時間乾燥させた。８枚の木片に
ついて下記の式から求められる含浸率を求めた結果、そ
の平均値を求めた。また、同時比較に用いた無処理材
（水のみを含浸）の下記収縮率と本実施例の改質剤水溶
液で処理した木片の収縮率を求め、これらから下記の抗
収縮率を求めた。それぞれの結果を表２に示す。 含浸率（％）＝［（Ｗ2−Ｗ1）／Ｗ1］×Ｃ Ｗ1：試験前の絶乾状態の木片の重量（ｇ） Ｗ2：改質剤水溶液含浸後の木片の重量（ｇ） Ｃ ：改質剤溶液の固形分濃度（重量％） 収縮率（％）＝［（Ｌ1−Ｌ2）／Ｌ1］×１００ Ｌ1：水中浸漬後の木片の体積（ｃｍ3：縦×横×厚さ） Ｌ2：１０５℃で乾燥後の木片の体積（ｃｍ3：縦×横×
厚さ） 抗収縮率（％）＝［（Ｄ0−Ｄ）／Ｄ0］×１００ Ｄ0：無処理材の収縮率（％） Ｄ ：処理材の収縮率（％）A 20% aqueous solution of the polyether in Table 1 was prepared. A piece of oak wood that has been dried at 105°C (3
8 sheets (0×30×5 mm) are immersed in a modifier aqueous solution, and -5
Impregnation was performed under a reduced pressure of 0 cmHg for 3 hours. After taking out the piece of wood, soaking it in water for 24 hours and taking it out,
It was dried in a drier at 105° C. for 20 hours. As a result of obtaining the impregnation rate obtained from the following formula for eight pieces of wood, the average value was obtained. Further, the following shrinkage rate of the untreated material (impregnated with water only) used for the simultaneous comparison and the shrinkage rate of the wood chips treated with the aqueous modifier solution of this example were determined, and the following antishrinkage rate was determined from them. The respective results are shown in Table 2. Impregnation rate (%)=[(W 2 −W 1 )/W 1 ]×C W 1 : weight of wood piece in absolutely dry state before test (g) W 2 : weight of wood piece after impregnation with modifier aqueous solution ( g) C: Solid content concentration (wt%) of modifier solution Shrinkage rate (%)=[(L 1 −L 2 )/L 1 ]×100 L 1 : Volume of wood chips after immersion in water (cm 3 : Length × width × thickness) L 2: wood volume after drying at 105 ℃ (cm 3: length × width ×
Thickness) Anti-shrinkage rate (%)=[(D 0 −D)/D 0 ]×100 D 0 : Shrinkage rate of untreated material (%) D: Shrinkage rate of treated material (%)
【００２１】比較例１ 実施例１と同様にして、ポリチレングリコール（数平均
分子量６００）の改質剤水溶液を作成し、実施例１と同
様の試験を行なった。結果を表２に示す。Comparative Example 1 In the same manner as in Example 1, an aqueous modifier solution of polyethylene glycol (number average molecular weight 600) was prepared, and the same test as in Example 1 was conducted. The results are shown in Table 2.
【００２２】比較例２ 実施例１と同様にして、ポリチレングリコール（数平均
分子量１０００）の改質剤水溶液を作成し、実施例１と
同様の試験を行なった。結果を表２に示す。Comparative Example 2 In the same manner as in Example 1, an aqueous modifier solution of polyethylene glycol (number average molecular weight 1000) was prepared, and the same test as in Example 1 was conducted. The results are shown in Table 2.
【００２３】[0023]
【表２】 −−−−−−−−−−−−−−−−−− 実施例 含浸率(%) 抗収縮率(%) −−−−−−−−−−−−−−−−−− １ ４５ ７２ ２ ４４ ７４ ３ ４２ ７５ ４ ４２ ７９ ５ ４１ ７２ ６ ４１ ７８ ７ ４４ ６４ −−−−−−−−−−−−−−−−−− 比較例 １ ４５ ３８ ２ ４２ ６２ −−−−−−−−−−−−−−−−−−[Table 2] ------------- Example --- Impregnation rate (%) Anti-shrinkage rate (%) --- --- --- --- ----- --- 1 45 72 2 44 74 3 3 42 75 4 42 79 5 41 41 72 6 41 78 7 44 6 4 -----------------------Comparative example 1 45 38 2 42 62 −−−−−−−−−−−−−−−−−−
【００２４】[0024]
【発明の効果】本発明の改質剤は木質材料の寸法安定性
を長期間にわたって発揮し、木質材料の割れ、歪、を防
止する。上記効果を奏することから、本発明の改質剤は
各種の建築材料、住宅設備材料、その他のエクステリア
材料などに有用である。The modifier of the present invention exerts the dimensional stability of the wood material for a long period of time and prevents the wood material from cracking and distortion. Because of the above effects, the modifier of the present invention is useful for various building materials, housing equipment materials, and other exterior materials.
Claims (3)
エーテルからなる木質材料用改質剤。 Ｒ1−Ｏ−｛（ＣＨ2ＣＨ2Ｏ）n／（ＡＯ）m｝−Ｒ2 （１） 〔式中、Ｒ1は炭素数１〜６のアルキル基、Ｒ2は水素原
子または炭素数１〜６のアルキル基を示し、Ａは炭素数
３〜４のアルキレン基、ｎは１〜1５０の整数、ｍは０
または１〜１００の整数を示し、｛（ＣＨ2ＣＨ2Ｏ）n
／（ＡＯ）m｝はランダムでもブロックでもよい。〕1. A modifier for a wood material, comprising a water-soluble polyether represented by the following general formula (1). R 1 -O - {(CH 2 CH 2 O) n / (AO) m} -R 2 (1) wherein, R 1 represents an alkyl group having 1 to 6 carbon atoms, R 2 is a hydrogen atom or a carbon atoms Represents an alkyl group of 1 to 6, A is an alkylene group having 3 to 4 carbon atoms, n is an integer of 1 to 150, and m is 0.
Or an integer of 1 to 100, and {(CH 2 CH 2 O) n
/(AO) m } may be random or block. ]
ル基である請求項１記載の改質剤。2. The modifier according to claim 1 , wherein in the general formula (1), R 1 and R 2 are methyl groups.
〜５０００である請求項１または２記載の改質剤。3. The number average molecular weight of the polyether is 130.
The modifier according to claim 1 or 2, which is ˜5000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26946296A JPH1086105A (en) | 1996-09-18 | 1996-09-18 | Modifier for woody material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26946296A JPH1086105A (en) | 1996-09-18 | 1996-09-18 | Modifier for woody material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1086105A true JPH1086105A (en) | 1998-04-07 |
Family
ID=17472782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26946296A Pending JPH1086105A (en) | 1996-09-18 | 1996-09-18 | Modifier for woody material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1086105A (en) |
-
1996
- 1996-09-18 JP JP26946296A patent/JPH1086105A/en active Pending
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