JPH02133485A - Resorcinol resin adhesive composition - Google Patents
Resorcinol resin adhesive compositionInfo
- Publication number
- JPH02133485A JPH02133485A JP28812188A JP28812188A JPH02133485A JP H02133485 A JPH02133485 A JP H02133485A JP 28812188 A JP28812188 A JP 28812188A JP 28812188 A JP28812188 A JP 28812188A JP H02133485 A JPH02133485 A JP H02133485A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- resorcinol
- adhesive
- glue
- viscosity index
- 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
Links
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 229920005989 resin Polymers 0.000 title claims abstract description 78
- 239000011347 resin Substances 0.000 title claims abstract description 78
- 239000000853 adhesive Substances 0.000 title claims abstract description 62
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 62
- 239000000203 mixture Substances 0.000 title claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 15
- 239000013008 thixotropic agent Substances 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 45
- 239000011342 resin composition Substances 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 21
- 239000002023 wood Substances 0.000 claims description 17
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 39
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 abstract description 5
- 229930040373 Paraformaldehyde Natural products 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 230000006866 deterioration Effects 0.000 abstract description 4
- 239000000945 filler Substances 0.000 abstract description 4
- 229920002866 paraformaldehyde Polymers 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000004927 clay Substances 0.000 abstract description 2
- 239000002562 thickening agent Substances 0.000 abstract description 2
- 239000000470 constituent Substances 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 20
- 239000000843 powder Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 230000008021 deposition Effects 0.000 description 8
- 235000019441 ethanol Nutrition 0.000 description 8
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 235000013312 flour Nutrition 0.000 description 7
- DGXAGETVRDOQFP-UHFFFAOYSA-N 2,6-dihydroxybenzaldehyde Chemical compound OC1=CC=CC(O)=C1C=O DGXAGETVRDOQFP-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010998 test method Methods 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 229910002012 Aerosil® Inorganic materials 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 4
- 241000220317 Rosa Species 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 150000005207 1,3-dihydroxybenzenes Chemical class 0.000 description 2
- 244000283070 Abies balsamea Species 0.000 description 2
- 235000007173 Abies balsamea Nutrition 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 125000000853 cresyl group Chemical group C1(=CC=C(C=C1)C)* 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- KQEIJFWAXDQUPR-UHFFFAOYSA-N 2,4-diaminophenol;hydron;dichloride Chemical compound Cl.Cl.NC1=CC=C(O)C(N)=C1 KQEIJFWAXDQUPR-UHFFFAOYSA-N 0.000 description 1
- VXZBYIWNGKSFOJ-UHFFFAOYSA-N 2-[4-[5-(2,3-dihydro-1H-inden-2-ylamino)pyrazin-2-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical group C1C(CC2=CC=CC=C12)NC=1N=CC(=NC=1)C=1C=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2 VXZBYIWNGKSFOJ-UHFFFAOYSA-N 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000000783 alginic acid Substances 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- QDNBHWFDWXWFTG-UHFFFAOYSA-N benzene-1,3-diol;formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1.OC1=CC=CC(O)=C1 QDNBHWFDWXWFTG-UHFFFAOYSA-N 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- -1 cresyl Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229920005610 lignin Chemical group 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000001648 tannin Chemical group 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 229920001864 tannin Chemical group 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
- 125000002256 xylenyl group Chemical group C1(C(C=CC=C1)C)(C)* 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はレゾルシノール系樹脂接着剤組成物に関し、特
に、大断面構造用集成剤などの木＋イ接着１１としてイ
１用であり、また、グルーエクストルダ装；γを用接着
剤として好適な接着剤に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a resorcinol resin adhesive composition, particularly for use as a wood+I adhesive 11 such as a laminating agent for large cross-section structures, and Glue extruder device; relates to an adhesive suitable for use with γ.
［従来の技術］および［その解決すべき課題］レゾルシ
ノール系樹脂接着剤は、木材同士の接着に使われ１例え
ばひき板または小角材などをその繊維方向を互いにほぼ
平行にして厚さ、幅および長さ方向に接着する集成材に
使用されており、優れた接着強さ、ｍｌ水性、耐久性、
Ｉｉｌ火性を持っているので、構造用集成材、大断面構
造用集成材、外装用集成材の接着に不可欠のものである
。[Prior Art] and [Problems to be Solved] Resorcinol-based resin adhesives are used to bond pieces of wood together, such as sawn boards or small square pieces of wood, with their fiber directions almost parallel to each other, so that the thickness, width, etc. It is used for laminated wood that is bonded in the length direction, and has excellent adhesive strength, ml water resistance, durability,
Because it has high flammability, it is essential for bonding structural laminated timber, large cross-section structural laminated timber, and exterior laminated timber.
その他、レゾルシノール系樹脂接着剤は、タイヤコート
とゴムなどの接着にも使用されている。In addition, resorcinol resin adhesives are also used to bond tire coats and rubber.
従来、木材接着用レゾルシノール系樹脂接着剤としては
、一般に、レゾルシノール系樹脂（主剤）とバラホルム
アルデヒドなどの硬化剤とヤシ穀粉などの充填剤との混
合品（以下糊液という）が供されている。Conventionally, resorcinol-based resin adhesives for bonding wood have generally been a mixture of a resorcinol-based resin (base ingredient), a hardening agent such as rose formaldehyde, and a filler such as coconut flour (hereinafter referred to as size liquid). .
しかし、このレゾルシノール系樹脂接着剤は、夏季にお
いて気温および被着材の温度が高くなると、糊液のゲル
タイムが短かくなり、貼り上げ時間乃至堆積時間（被接
着面に糊液を塗布してから接着に必要な圧締圧力を加え
るまでの接着操作は所定時間内に終らせる必要があるが
、この時間のことを堆積時間という。貼り」−げ時間は
その部）等を早める必要があり、作業性が低下する。However, with this resorcinol resin adhesive, when the air temperature and the temperature of the adherend material become high in summer, the gel time of the size solution becomes short, and the application time or deposition time (after applying the size solution to the surface to be adhered) becomes shorter. It is necessary to complete the adhesion operation up to the time of applying the necessary clamping pressure for adhesion within a predetermined time, but this time is called the deposition time. Work efficiency decreases.
一方、当誤接着剤による木材同上の接着に使用されるｒ
？！缶装；れとしては、塗布ロール間の間隙に木↑イを
通過させてローラー塗布を行なう形式の第４図に例を示
すようなグルースプレッダ−が育及している。尚第４図
にて、ｌは塗布ロール、２はドクターロール、３は接着
剤、４は間隙調節用ハンドルである。On the other hand, r used for gluing wood with the same adhesive
? ! As a can packaging method, a glue spreader of the type shown in FIG. 4, which performs roller coating by passing a wood through the gap between coating rolls, has been developed. In FIG. 4, 1 is an applicator roll, 2 is a doctor roll, 3 is an adhesive, and 4 is a handle for adjusting the gap.
しかし、この装置の場合、糊液を被着材（ヒキ（没）上
に均一に押し付けて１１！布オるので、糊液の浸透及び
乾燥が甲くなる。故に、堆積時間が長くなると、糊液の
流動性および転写性が悪くなる。However, in the case of this device, the size liquid is evenly pressed onto the adherend (paper) and the cloth is rolled, making it difficult for the size liquid to penetrate and dry.Therefore, if the deposition time becomes longer, The fluidity and transferability of the paste deteriorate.
このことにより、後述の比較例にも示すように、接着性
能の低下が起こり、また、往々にして接着不良が発生す
る。特に、夏季の如き高温下では顕著に現われる。As a result, as shown in the comparative examples described below, the adhesive performance deteriorates, and adhesion failure often occurs. This is especially noticeable under high temperatures such as summer.
上記欠点を改否する目的で糊液のゲル化時間を延ばして
、堆積時間を長くしたりすることが行われているが、当
該樹脂の硬化性が悪くなるので望ましい方法ではない。In order to correct the above-mentioned drawbacks, attempts have been made to extend the gelation time of the size liquid and lengthen the deposition time, but this is not a desirable method because the curing properties of the resin deteriorate.
ところで、近時は、貼り−Ｆげ時間が長くかかる大断面
横逍用集成材の生産…が増えているので、よけいに、１
１Ｕｈ’１時間を長（することの出来るレゾルシフノー
ル系樹脂接着剤の開発が望まれている。By the way, recently, the production of large cross-section laminated laminated timber that takes a long time to paste and burn has increased, so
It is desired to develop a resorsiphenol resin adhesive that can be used for a long time (1 Uh'1 hour).
＋ｉｉｉ ３己した如きグル−スプレッダ−によるロー
ラｒ？４＋に代わり、グルーヘット（吐出１］）から糊
液を線状に流出させ塗付する形式のグルーエクストルダ
ー装置による集成材における接着も行なｔ）れている。+iii 3 Roller r by glue spreader like I did? Instead of 4+, gluing on laminated wood is also carried out using a glue extruder device of the type that flows out and applies glue liquid in a line from a glue head (discharge 1).
このグルーエクスｌ−シダー装置による塗付システムの
一例を第１図にＪ、％ついて説明″４−るに、ポンプ５
の−Ｌ部に、レヂンタンク６とスラリーミキサー７とを
設：ｎし、レヂンクンク６より、ポンプ５に樹脂を供給
し、スラリーミキサー７で硬化剤（充填剤などを含むこ
ともある）を液状にして、ポンプ５に供給し、これらを
管（スタティックミキサー）８に供給して、当該管８中
で均一に混合し、管８の先端の多数孔（ノズル孔）８′
を有１−るグルーヘッド８″から当該糊液な線状に流出
させて、搬送コンベア９トを移送されてきたラミナ１０
の被接着面に塗布し、次Ｔ程に移送する。An example of the application system using this Glue Ex L-Cedar device is shown in Figure 1.
A resin tank 6 and a slurry mixer 7 are installed in the -L part of the resin tank 6. Resin is supplied from the resin tank 6 to the pump 5, and the slurry mixer 7 liquefies the hardening agent (which may also contain fillers, etc.). These are supplied to the pump 5, and then supplied to the tube (static mixer) 8, where they are mixed uniformly, and the multiple holes (nozzle holes) 8' at the tip of the tube 8.
The lamina 10 that has been transferred on the conveyor 9 by flowing out the glue liquid in a linear shape from the glue head 8'' having 1-
It is applied to the surface to be adhered and transferred to the next T.
第２図には、当該グルーヘッド８′の多数孔９より、糊
液１１が線状に流出される様子を模式的に示しである。FIG. 2 schematically shows how the glue 11 flows out linearly from the multiple holes 9 of the glue head 8'.
このグルーエクストルダー装；ηによる塗付システムに
よれば、グルーへ・！ドから糊液を線状に吐ＩＸするの
で、塗付面積が減少する結果、糊液の浸透および蒸発が
防１１−され、堆積時間の延長が０１能となると考えら
れたが、従来のレゾルシノール系樹脂接？＃削では、こ
れをグルーエクストルダー装置により塗付しようとする
と、グルーヘッド８′のノズル孔８″からの吐出）′［
に問題があり、また、肢石十４１−での浸透性に欠点が
あり、堆積時間：ま金り長くならなかった。According to this glue extruder coating; η application system, to the glue! Since the size liquid is discharged in a linear manner from the dome, it was thought that the coating area would be reduced, thereby preventing penetration and evaporation of the size liquid, and extending the deposition time.However, conventional resorcinol Resin contact? # When trying to apply this with a glue extruder device, it is discharged from the nozzle hole 8'' of the glue head 8')' [
There were also problems with the permeability of the soil, and the deposition time was not long.
そこで、本発明はかかる従来技術の有する欠ｙ！ｊを解
消し、ｉｆｔｆｔ開時間長を可能とすることができ、そ
れにもかかわらず接着性能の低下を防１１−することが
できる技術を提供することを目的と１−る。Therefore, the present invention addresses the deficiencies of the prior art! The purpose of the present invention is to provide a technique that can eliminate the problem of 11-j, increase the ifft opening time, and prevent deterioration of adhesive performance despite this.
特に、本発明は、気温および被着材の温度が高（なる夏
季や高温地域の如き高４上での作業において作業性の低
トが防ｉ１＝され、果ｊ戊材持に大断面構造用集成十イ
の接着に対し好適で、また、グルエクストルダー装置に
使用される糊液特に樹脂として好適で、ノズル孔からの
吐出性や被着＋イ１−での従来の問題点を解消すること
のできる技術を提供することを目的とする。In particular, the present invention prevents a decrease in workability when working on heights such as in summer or high-temperature areas where the air temperature and the temperature of the adherend is high (i1=), and the large cross-sectional structure Suitable for adhesion of adhesive assemblies, and also suitable for use as glue liquid, especially resin, used in glue extruder devices, solving conventional problems with ejectability from the nozzle hole and adhesion. The purpose is to provide technology that can.
本発明の他の［１的は本明細−）全体の記述や添（・１
図面からも明かとなるであろう。Other descriptions of the entirety of the present invention [1 is the present specification] and attachments (・1)
This will become clear from the drawings.
［課題を解決するための手段コ
かかる１−１的を達成１−るための本発明は、（１）チ
クソトロピー剤によりその構造粘性指数を２〜７の範囲
に調整したレゾルシノール系樹脂！１１成物または構造
粘性指数が２〜７の範囲のレゾルシノール系樹脂を含有
して成るレゾルシノール系樹脂接着剤組成物、
（２）チクソトロピー剤が、超微粒子状無水シリカであ
る、−Ｊ１記記載のレゾルシノール系樹脂接着剤組成物
、
（３）レゾルシノール系樹脂接着剤組成物が、本＋４用
接青剤組成物で、集成材用接着剤である、］−記記載の
レゾルシノール系樹脂接着剤組成物、（４）レゾルシノ
ール系樹脂接着剤組成物が、グルーヘッドから接着剤糊
液を線状に流出させ塗布する形式のグルーエクストルダ
ー装置用の接着剤である、上記記載のレゾルシノール系
樹脂接４剤組成物に件する。[Means for Solving the Problems] In order to achieve the above objectives 1-1, the present invention provides (1) a resorcinol resin whose structural viscosity index is adjusted to a range of 2 to 7 with a thixotropic agent! 11 composition or a resorcinol resin adhesive composition having a structural viscosity index in the range of 2 to 7; (2) the thixotropic agent is ultrafine anhydrous silica; resorcinol-based resin adhesive composition; (3) the resorcinol-based resin adhesive composition is a blue tint composition for Hon+4 and an adhesive for laminated wood; , (4) The resorcinol resin adhesive composition described above, wherein the resorcinol resin adhesive composition is an adhesive for a glue extruder device in which the adhesive liquid is applied by linearly flowing out from the glue head. Regarding the composition.
本発明の接着剤組成物を構成するレゾルシノール系樹脂
としては、例えば、レゾルシノールとホルムアルデヒド
との反応によるレゾルシノール・ホルムアルデヒド縮合
樹脂、レゾルシノールとホルムアルデヒドとフェノール
との共縮合によるレゾルシノール・フェノール・ホルム
アルデヒド縮合樹脂、これら縮合樹脂をクレゾール、キ
シレノル、タンニン、リグニンなどで一部変性した変性
樹脂を挙げることができる。Examples of resorcinol-based resins constituting the adhesive composition of the present invention include resorcinol-formaldehyde condensation resins produced by a reaction between resorcinol and formaldehyde, resorcinol-phenol-formaldehyde condensation resins produced by co-condensation of resorcinol, formaldehyde, and phenol; Examples include modified resins in which condensation resins are partially modified with cresol, xylenol, tannin, lignin, etc.
前記樹脂において５その反応成分のモル比は、ホルムア
ルデヒド／レゾルシノール類（クレシルなどを含ｔｉ）
又は
ホルムアルデヒド
頚＝０４〜 ０８モルで、
固形分は樹脂分で４０〜７０％で、粘度は３０〜１ ５
０ ｐ ｏｉｓｅ／ ２５℃（Ｂ型粘度計、２０回転
）であるものが好ましい９
前述の如く、グルーエクストルダー装置による塗付では
，グルーヘッドから、レゾルシノール系樹脂を含も糊液
を線状に流出させ、被ｒＪ材」−に塗（・ｔｌ−る、そ
の際に、グルーヘッドからの吐出性が悪いときには作業
に支障をきたすので、その吐出性が良好であることが要
求される。また、当該グルーヘッド８″から吐出された
糊液１１は、第３図（へ）に示すように、被着材１０上
に盛り上がった形で静置され糊液１１中の溶剤などが適
度に揮発するのを待ってから、相対する披着面を合せて
圧締するような場合、被着材１ｏ中への液の浸透が早す
ぎたり、また、当該液の蒸発が９すぎたりすると、１１
Ｃ ｈ’１時間に影響する。In the resin, the molar ratio of the reactive components is formaldehyde/resorcinols (including cresyl, etc.)
Or formaldehyde neck = 04-08 mol, solid content is 40-70% resin content, viscosity is 30-15
0 poise/25°C (B-type viscometer, 20 rotations) is preferable.9 As mentioned above, when applying with a glue extruder device, the glue liquid containing resorcinol resin is linearly drawn from the glue head. When the glue is poured out and applied to the target material, it is required that the discharge performance is good, as poor discharge performance from the glue head will interfere with the work. As shown in FIG. 3(f), the size liquid 11 discharged from the glue head 8'' is left standing in a raised shape on the adherend 10, and the solvent etc. in the size liquid 11 is volatilized appropriately. If the opposing surfaces are pressed together after waiting until the surface of the adherend is pressed together, if the liquid penetrates into the adherend material 1o too quickly or if the liquid evaporates too quickly,
Affects Ch'1 hour.
さらに、第３図（Ｄ）に示すように、被着材１ （’１
、１−に塗付された糊液１１を用いて，いざ圧締を開
始するような場合には，同図右側に示すように、適度の
流動性を発現することが必゛脚で、糊液の流動性などが
悪いと、接着性能を低下させ、接着不良を発生させる。Furthermore, as shown in FIG. 3(D), adherend material 1 ('1
, 1-, when pressing is started using the glue 11 applied to the glue, it is essential to develop appropriate fluidity as shown on the right side of the figure. If the fluidity of the liquid is poor, the adhesion performance will be reduced and adhesion failure will occur.
本発明者らは、レゾルシノール系樹脂の構造粘性指数に
着（］シ、静置時においては溶剤なとの被着材中の浸透
も少なく、蒸発も遅くすることができ、その結果、圧締
時においては適度に流動性を発現し、接着性能を良好に
し、また、グルーエクストルダー装置でのミキシング時
には粘性が低下するのでその吐出性を良好にできるとい
つ観点からその範囲を２〜７好ましくは２５〜５とした
。The present inventors have determined that the structural viscosity index of the resorcinol resin has been improved. In some cases, the range is preferably 2 to 7, in order to achieve appropriate fluidity and good adhesive performance, and to improve the extrusion properties since the viscosity decreases during mixing with a glue extruder device. was set at 25-5.
従来のレゾルシノール系樹脂接着剤組成物における当該
レゾルシノール系樹脂としては、一般に、その構造粘性
指数が２未満のものが使用されており、かかる構造粘性
指数のものでは上記の如き作用効果を奏し難い。As the resorcinol resin in conventional resorcinol resin adhesive compositions, those having a structural viscosity index of less than 2 are generally used, and those having such a structural viscosity index are difficult to achieve the above-mentioned effects.
本発明の接着剤組成物においては、チクソトロピー剤に
より、レゾルシノール系樹脂組成物の構造粘性指数を調
整することが好ましい。チクソトロピー剤のレゾルシノ
ール系樹脂に対する添加用より、レゾルシノール系樹脂
組成物の構造粘性指数を２〜７好ましくは２５〜５の範
囲に調整することができる。In the adhesive composition of the present invention, it is preferable to adjust the structural viscosity index of the resorcinol resin composition using a thixotropic agent. By adding a thixotropic agent to a resorcinol resin, the structural viscosity index of the resorcinol resin composition can be adjusted to a range of 2 to 7, preferably 25 to 5.
当該チクソトロピー剤としては、超微粒状無水シリカが
イ１効であることが判った．当該シリカは。Ultrafine anhydrous silica was found to be the most effective thixotropic agent. The silica is.
△ｌ−： Ｒ Ｏ Ｓ Ｉ ＋．の商品名で市販されて
いるものを使用することができる。Δl-: R O S I +. Those commercially available under the trade name can be used.
また、レゾルシノール系樹脂と当該シリカとからなる樹
脂組成物のゲルタイムの調整には適宜濃度のアルカリを
使用することが有効である。Furthermore, it is effective to use an appropriate concentration of alkali to adjust the gel time of a resin composition comprising a resorcinol resin and the silica.
本発明における上記構造粘性指数は、回転速度の最低と
最高における見かけ粘度の比で表わされ、ＪＩＳ Ｋ
６８３８に準拠して測定され、試料粘度に応じたロータ
ーを選定し、各回転数に対して、最低速から最高速へ、
再び最低速にまで駆動し変化させて測定する。The above-mentioned structural viscosity index in the present invention is expressed as the ratio of apparent viscosity at the lowest and highest rotational speeds, and is based on JIS K
6838, select a rotor according to the sample viscosity, and change from the lowest speed to the highest speed for each rotation speed.
Drive it to the lowest speed again, change it, and measure it.
本発明の接着剤組成物は、バラホルムアルデヒド、ヘキ
サメチレンテトラミンなどの硬化剤とヤシ穀粉、クルミ
股粉、木粉、小麦粉、大豆粉、炭酸カルシウム、ゼオラ
イト、クレーなどの充填材を混合して使用し得る。The adhesive composition of the present invention is made by mixing a hardening agent such as rose formaldehyde or hexamethylenetetramine with a filler such as coconut flour, walnut crotch flour, wood flour, wheat flour, soybean flour, calcium carbonate, zeolite, or clay. It is possible.
また、水、５ＢＲ（スチレン・ブタジェンゴム）、ＮＢ
Ｒにトリル・ブタジェンゴム）を使用してもよい。Also, water, 5BR (styrene/butadiene rubber), NB
Tolyl-butadiene rubber) may be used for R.
さらに、本発明の接着剤組成物には、ポリビニルアルコ
ール、メチルセルローズ、ポリエチレンオキシド、カル
ボキシメチルセルローズ、アルギン酸などの水性高分子
増粘剤を配合することが出来る。Furthermore, the adhesive composition of the present invention may contain an aqueous polymer thickener such as polyvinyl alcohol, methyl cellulose, polyethylene oxide, carboxymethyl cellulose, and alginic acid.
さらに、エタノール、メタノール、エチレングリコール
などのアルコール類を配合することが出来る。Furthermore, alcohols such as ethanol, methanol, and ethylene glycol can be blended.
本発明の接着剤組成物には、その他各種の添加作１を使
用することができる。Various other additives 1 can be used in the adhesive composition of the present invention.
［実施例］
次に、本発明を実施例により、説明するが１本発明は、
これらの実施例によりなんら限定されるものではない。[Example] Next, the present invention will be explained with reference to Examples.
The present invention is not limited in any way by these examples.
実施例１
還流冷却器及び撹拌機付きの三ツロフラスコにホルムア
ルデヒド（３７％）１７０ｇとレゾルシノール４４０ｇ
とエタノール１６０ｇを仕込み、苛性ソーダで、ｐ Ｈ
を５６〜６．０に調整し、６５〜７０℃で６時間反応さ
せ、レゾルシノール・ホルムアルデヒド樹脂を合成した
。Example 1 170 g of formaldehyde (37%) and 440 g of resorcinol were placed in a three-turn flask equipped with a reflux condenser and a stirrer.
and 160g of ethanol, and adjust the pH with caustic soda.
was adjusted to 56 to 6.0 and reacted at 65 to 70°C for 6 hours to synthesize resorcinol formaldehyde resin.
この合成された樹脂１００重量部に対して超微粒状シリ
カ粉末（アエロジル、［」本アエロジル社製）を２１［
型部添加し、構造粘性指数が３６となる樹脂組成物を（
！１だ。21 parts of ultrafine silica powder (Aerosil, manufactured by Hon Aerosil) was added to 100 parts by weight of this synthesized resin.
A resin composition with a structural viscosity index of 36 is added to the mold part (
! It's 1.
この樹脂組成物の粘度は、２００回転３ Ｉ ｐｏｉｓ
ｅ／２５℃、２回転でｌ Ｉ ２ｐｏｉｓｅ ／ ２５
℃であった。The viscosity of this resin composition is 3 I pois at 200 revolutions.
e/25℃, 2 rotations l I 2poise / 25
It was ℃.
上記構造粘性指数が３．６の樹脂のゲルタイムはアルカ
リ添加により４０分／４０℃（樹脂１００重量部に対し
てバラホルムアルデヒド１ｏｉｒｉ１部を添加）に調整
した。The gel time of the resin having a structural viscosity index of 3.6 was adjusted to 40 minutes/40° C. by adding an alkali (1 part of rose formaldehyde was added to 100 parts by weight of the resin).
上記樹脂組成物＋ｏｏＱｔｌ’ｄ部に対してバラホルム
アルデヒド１０重１部と木粉５ｉＦｉｉ’１部を混合し
、粘度が４３ ｐｏｉｓｅ ／ ２５℃の配合糊液を得
た。1 part by weight of rose formaldehyde and 1 part by weight of wood flour 5iFii' were mixed with the above resin composition+ooQtl'd part to obtain a mixed paste having a viscosity of 43 poise/25°C.
この様にして得られた配合糊液により下記作業条件で集
成材の接着を行った。その接着性能にっいて下記試験方
法により測定した。Laminated wood was bonded using the blended glue solution thus obtained under the following working conditions. The adhesive performance was measured by the following test method.
１、作業条件
塗付方法ニー・般のグルーエクストルダー装置６に被
７１ 手イ
横 成
よる線状塗付
：２０ｍｍ厚さの米ツガ挽仮、含水率８〜１０％
・５ブライ
塗付量 ：２５０ｇ／ｍ２
堆積時間：２０分／３３℃。1. Working conditions Application method Nee and general glue extruder device 6
71 Linear application: 20mm thick rice hemlock ground, moisture content 8-10% ・5-brie application amount: 250g/m2 Deposition time: 20 minutes/33°C.
３０分／３３℃
４０分／：３３℃、６０分／：う３℃
圧 締・２４時間、 ｌ Ｏｋｇ／ｃｍ２ 、４０
℃２ 試験方法
集成材の日本農林規格にもとづいて、ブロックせん断試
験、浸漬ハクリ試験と煮沸パクリ試験を行った。30 minutes/33℃ 40 minutes/: 33℃, 60 minutes/: 3℃ Pressing, 24 hours, l Okg/cm2, 40
℃2 Test method Based on the Japanese Agricultural Standards for laminated wood, a block shear test, immersion peeling test and boiling peeling test were conducted.
結果を第１表に示す。The results are shown in Table 1.
実施例２
実施例１と同様にして合成されたレゾルシノール・ホル
ムアルデヒド樹脂＋ｏＯ１量部に対して、実施例１に使
用した超微粒状シリカ粉末を４虫？部を添加し、構造粘
性指数が５１の樹脂組成物を得た。この樹脂組成物の粘
度は、２００回転５１ ｐｏｉｓｅ ／’ ２５℃、２
回転で２６０ ｐｏｉｓｅ ７２５℃であった。Example 2 Four parts of the ultrafine silica powder used in Example 1 was added to 1 part of resorcinol formaldehyde resin + oO synthesized in the same manner as in Example 1. A resin composition having a structural viscosity index of 51 was obtained. The viscosity of this resin composition is 51 poise/' at 200 revolutions at 25°C.
It was rotated at 260 poise and 725°C.
実施例１と同様にして、ゲルタイムを調整し、かつ、配
合糊液（粘度６７ ｐｏｉｓｅ ／ ２５℃）を得、接
着作業を行ないその接着性能を試験した。In the same manner as in Example 1, the gel time was adjusted and a blended paste solution (viscosity: 67 poise/25° C.) was obtained, and an adhesive operation was carried out to test its adhesive performance.
結果を第１表に示す。The results are shown in Table 1.
実施例：３
還流冷却器及び撹拌機付きの三ツロフラスコにホルムア
ルデヒド（３７％）１７０ｇとフェノル１４１ｇとエタ
ノールｌ ６０ 、、を仕込み、苛性ソーダで、ｐ Ｈ
を８８〜９２に調整し、８０〜８５℃で２時間反応後、
レゾルシノール１６５ｇを添加し８０〜８５℃で５時間
反応させ冷却し、レゾルシノール・フェノール・ホルム
アルデヒド樹脂を得た。Example: 3 170 g of formaldehyde (37%), 141 g of phenol, and 1 60 ethanol of ethanol were placed in a Mitsuro flask equipped with a reflux condenser and a stirrer, and the pH was adjusted with caustic soda.
was adjusted to 88-92, and after reacting at 80-85°C for 2 hours,
165 g of resorcinol was added and reacted at 80 to 85° C. for 5 hours and cooled to obtain a resorcinol/phenol/formaldehyde resin.
この合成された樹脂＋ ００ ｆｌｊ…部に対して超微
粒状シリカＢ）末を２市川部添加し、構造粘性指数が２
９の樹脂組成物を（）だ。Two Ichikawa parts of ultrafine silica B) powder were added to +00 flj... parts of this synthesized resin, and the structural viscosity index was 2.
The resin composition of No. 9 is ().
この樹脂組成物の粘度は２２０回転で４７ ｐｏｉｓｅ
／２５℃、２回転で１３６ｐｏｉｓｃ ／ ２５℃であ
った。The viscosity of this resin composition is 47 poise at 220 rotations.
/25°C, 2 rotations was 136 poisc/25°C.
上記横這枯す１指数が２９の樹脂を、実施例１と同様に
して、アルカリ添加によりゲルタイムを４０分／４０℃
に調整した。The gel time was increased to 40 minutes/40°C by adding alkali to the above-mentioned resin with a horizontal drying index of 29 in the same manner as in Example 1.
Adjusted to.
実施例１と同様にして、粘度が５９ ｐｏｉｓｅ ７２
５℃の糊液にて接着作業を行ない、その接着性能を試験
した。In the same manner as in Example 1, the viscosity was 59 poise 72
Adhesive work was performed using a glue solution at 5° C., and the adhesion performance was tested.
結果を第１表に示す。The results are shown in Table 1.
実施例４
実施例３で使用した樹脂１ｏｏ市呈部に対して超微粒状
シリカ粉末を４市川部添加し、構造粘性指数が４．３の
樹脂組成物を得た。Example 4 Four parts of ultrafine silica powder were added to one part of the resin used in Example 3 to obtain a resin composition having a structural viscosity index of 4.3.
この樹脂組成物の粘度は、２００回転６７ ｐｏｉｓｅ
／２５℃、２回転で２８８ｐｏｉｓｅ ／ ２５℃であ
った。The viscosity of this resin composition is 67 poise at 200 revolutions.
/25°C, 2 rotations and 288 poise /25°C.
実施例３と同様にしで、ゲルタイムを調整し、かつ、糊
液（粘度８１ ｐｏｉｓｅ ／ ２５℃）を得、接着作
業を行ない、その接着性能を試験した。In the same manner as in Example 3, the gel time was adjusted and a glue solution (viscosity: 81 poise/25° C.) was obtained, adhesive work was carried out, and its adhesive performance was tested.
結果を第１表に示す。The results are shown in Table 1.
比較例ル
ゾルシノール系樹脂として、次の特性値を有する「ディ
アノール５０Ｍ；」 （レゾルシノール・ポルムアルデ
ヒド樹脂、大鹿振興株式会社製）を使用した。Comparative Example As a resorcinol-based resin, "Dianol 50M" (resorcinol-polmaldehyde resin, manufactured by Oshika Shinko Co., Ltd.) having the following characteristic values was used.
樹脂特性（１α
粘度 ５ ｐｏｉｓｅ （２５℃、２Ｏｒｐ
ｍ）構造粘性指数 １．０
樹脂分 ６５０も
ゲルタイム ４０分
（４０℃、樹脂／バラホルムアルデ
ヒド＝ｌＯＯ／ＩＱ、重量部）
Ｉ＝記樹脂１００ ｔｒｉ １７を部に対して、パラホ
ルムアルデヒド１０重量部と本粉５市ｍ部を混合し、粘
度が２２ ｐｏｉｓｅ ７２５℃となる配合糊液を得た
。Resin properties (1α viscosity 5 poise (25℃, 2Orp
m) Structural viscosity index 1.0 Resin content 650 Gel time 40 minutes (40°C, resin/paraformaldehyde = lOO/IQ, parts by weight) I = 100 parts of resin, 10 parts by weight of paraformaldehyde, and 17 parts by weight Five m parts of this powder were mixed to obtain a blended size liquid having a viscosity of 22 poise and 725°C.
作業条件及び試験方法は実施例１と同様に行った。The working conditions and test method were the same as in Example 1.
結果を第１表に示す。The results are shown in Table 1.
比較例２
レゾルシノール系樹脂として次の特性値を有する「ティ
アノール３５号」 （レゾルシノール・フェノール・ホ
ルムアルデヒド樹脂、大鹿振閾株式会社製）を使用した
。Comparative Example 2 As a resorcinol resin, "Tianol No. 35" (resorcinol/phenol/formaldehyde resin, manufactured by Oshika Shinsei Co., Ltd.) having the following characteristic values was used.
樹脂特性値
粘度 ４ ｐｏｉｓｅ
構造粘性指数 １．０
樹脂分 ６０％
ゲルタイム ４０分
（４０℃、樹脂／バラホルムアルデ
ヒド−１００７１０，重量部）
Ｊ’、 Ｍａ樹脂１００干１′ｉ＋部にχ・ｔ して、
パラボルムアル７’ ヒトＩ ＯＩＴｆＱ（部ト木Ｆ５
） ５ ＩＴ！”ｉｔ部を混合し、粘度が２０ ｐｏｉ
ｓｅ ７２５℃となる配合糊液を得た。Resin characteristic values Viscosity 4 poise Structural viscosity index 1.0 Resin content 60% Gel time 40 minutes (40°C, resin/bara formaldehyde-100710, parts by weight) J', Ma Resin 100 dry 1'i + parts x t ,
Paraborumal 7' Human I OITfQ (part tree F5
) 5 IT! "Mix it part, viscosity is 20 poi
A blended paste solution having a temperature of se 725°C was obtained.
作業条件及び試験方法は実施例１と同様に行った。The working conditions and test method were the same as in Example 1.
結果を第１表に示す。The results are shown in Table 1.
実施例５
還流冷却器及び撹拌機付きの三ツロフラスコにホルムア
ルデヒド（３７％）１７０ｇとレゾルシノール４４０ｇ
とエタ、ノールｌ ６０ｇを仕込み、：：ｒ竹ソーダで
、ｐＨを５．６〜６．０に調整し、６５〜７０℃で６時
間反応させ、レゾルシノール・ホルムアルデヒド樹脂を
合成した。Example 5 170 g of formaldehyde (37%) and 440 g of resorcinol were placed in a three-turn flask equipped with a reflux condenser and a stirrer.
Then, 60 g of ethyl alcohol and ethanol were added, the pH was adjusted to 5.6 to 6.0 with ::r bamboo soda, and the reaction was carried out at 65 to 70° C. for 6 hours to synthesize resorcinol formaldehyde resin.
この合成された樹脂ｌＯＯ巾咀部に対して超微粒状シリ
カ粉末（アエロジル、日本アエロジル社製）を２重量部
添加し、構造粘性指数が３６となる樹脂組成物を１′−
１だ。2 parts by weight of ultrafine silica powder (Aerosil, manufactured by Nippon Aerosil Co., Ltd.) was added to the width of the synthesized resin lOO to form a resin composition with a structural viscosity index of 36.
It's 1.
この樹脂組成物の粘度は、２００回転３１ ｐｏｉｓｅ
７２５℃、２回転でｌ ｌ ２ｐｏｉｓｅ ／ ２５℃
であった。The viscosity of this resin composition is 31 poise at 200 revolutions.
725℃, 2 rotations l l 2poise / 25℃
Met.
上記構造粘性指数が３６の樹脂のゲルタイムはアルカリ
添加により４０分／４０’Ｃ１！脂１００Φ、”＋１！
耶に対してパラホルムアルデヒド６重ｌｅｔ部木扮４東
頂部、水１２ＩＴ！量部を添加）に調整した。The gel time of the above resin with a structural viscosity index of 36 is 40 minutes/40'C1 by adding alkali! Fat 100Φ, ”+1!
Paraformaldehyde 6-fold let part Kiyaku 4 East top part, Water 12 IT for Aya! (added 1 part by volume).
第１図に示すようなグルーエクストルダー装置を使用し
、上記樹脂組成物１００重量部、硬化液２２重量部（バ
ラホルムアルデヒド６［１ｊｉ部／木粉４重哩部／水＋
２１里部）をスタティクミキサーに供給し、糊液を吐出
させた。粘度は３６ ｐｏｉｓｅ７２５℃。Using a glue extruder apparatus as shown in FIG.
21 Ribe) was supplied to a static mixer, and the paste liquid was discharged. Viscosity is 36 poise725℃.
この様にして得られた糊液により下記作業条件で集成材
の接着を行った。その接着性能について下記試験方法に
より測定した。Using the paste obtained in this way, laminated wood was bonded under the following working conditions. The adhesive performance was measured by the following test method.
１、作業条件
塗付方法：第１図に示オグルーエクストルダーによる線
状塗付
被着材 ：２０ｍｍ厚さの米ツガ挽扱、含水率８〜１０
％
構 成 、５ブライ
塗付ｊｉ ： ２５０ ｇ ／ ｍ ２堆積時間、３
０分／３３℃、らＯ分／：３３℃ＩＦ、 ｌ１ｖＩ
： ２４時間、 ｌ Ｏｋ３／ｃｍ２ 、４０℃２、試
験方法
集成材の日本農林規格にもとづいて、ブロックせん断試
験、浸漬パクリ試験と煮沸ハタリ試験を行った。1. Working conditions Application method: Linear application using an oglue extruder as shown in Figure 1 Adhesive material: 20 mm thick rice hemlock, moisture content 8-10
% Composition, 5 Bly coating: 250 g/m2 Deposition time, 3
0 min/33℃, la Omin/: 33℃IF, l1vI
: 24 hours, 1 Ok3/cm2, 40°C2, Test method Based on the Japanese Agricultural Standards for laminated wood, a block shear test, an immersion rip-off test, and a boiling test were conducted.
実施例１と同様の結果をｉすた。The same results as in Example 1 were obtained.
実施例６
実施例５と同様にして合成されたレゾルシノール・ホル
ムアルデヒド樹脂１００重１部に対して、実施例１で使
用した超微粒状シリカ粉末を４巾ｒｉｔ部を添加し、構
造粘性指数が５１の樹脂組成物を得た。この樹脂組成物
の粘度は、２００回転５１ ｐｏｉｓｅ ／ ２５℃、
２回転で２５ Ｑ ｐｏｉｓｅ ７２５℃であった。Example 6 4 parts by weight of the ultrafine silica powder used in Example 1 were added to 1 part by weight of resorcinol formaldehyde resin synthesized in the same manner as in Example 5, and the structural viscosity index was 51. A resin composition was obtained. The viscosity of this resin composition is 51 poise at 200 revolutions/25°C,
The temperature was 25 Q poise 725°C with 2 rotations.
実施例５と同様にして、ゲルタイムを調整し、かつ、糊
液（粘度５３ ｐｏｉｓｅ ／ ２５℃）を得、接着作
業を行ないその接着性能を試験した。In the same manner as in Example 5, the gel time was adjusted and a glue solution (viscosity: 53 poise/25° C.) was obtained, and an adhesive operation was performed to test its adhesive performance.
実施例２と同様の結果を得た。The same results as in Example 2 were obtained.
実施例７
還流冷却器及び撹拌機付きの三ツロフラスコにホルムア
ルデヒド（３７％）１７０ｇとフェノール１４１ｇとエ
タノール１６０ｇを仕込み、苛性ソーダで、ｐ ｔ＋を
８８〜９．２に調整し、８０〜８５℃で２時間反応後、
レゾルシール１６５ｇを添加し８０〜８５℃で５時間反
応させ冷却しレゾルシノール・フェノール・ホルムアル
デヒド樹脂を得た。Example 7 170 g of formaldehyde (37%), 141 g of phenol, and 160 g of ethanol were placed in a Mitsuro flask equipped with a reflux condenser and a stirrer, and the pt+ was adjusted to 88 to 9.2 with caustic soda, and the mixture was heated to 2 at 80 to 85°C. After time reaction,
165 g of Resol Seal was added and reacted at 80 to 85° C. for 5 hours and cooled to obtain a resorcinol/phenol/formaldehyde resin.
この合成された樹脂１００重川部に対して超微粒状シリ
カ粉末を２重量部添加し、構造粘性指数が２９の樹脂組
成物を得た。2 parts by weight of ultrafine silica powder was added to 100 parts of this synthesized resin to obtain a resin composition having a structural viscosity index of 29.
この樹脂組成物の粘度は、２００回転４７ ｐｏｉｓｅ
７２５℃、２回転で１３６ｐｏｉｓｅ ７２５℃であっ
た。The viscosity of this resin composition is 47 poise at 200 revolutions.
The temperature was 136 poise at 725°C with two rotations.
上記構造粘性指数が２９の樹脂を、実施例６と同様にし
て、アルカリ添加によりゲルタイムを４０分／４０℃に
調整した。The gel time of the above resin having a structural viscosity index of 29 was adjusted to 40 minutes/40°C by adding alkali in the same manner as in Example 6.
実施例６と同様にして、粘度が５０ ｐｏｉｓＱ／２５
℃の糊液にて接着作業を行ない、その接着性能を試験し
た。In the same manner as in Example 6, the viscosity was 50 poisQ/25.
Adhesive work was carried out using a paste solution at ℃, and the adhesive performance was tested.
実施例３と同様の結果を得た。The same results as in Example 3 were obtained.
実施例８
実施例７で使用した樹脂１００重川部に対して超微粒状
シリカ粉末を４重量部添加し、構造粘性指数が４．３の
樹脂組成物を得た。Example 8 4 parts by weight of ultrafine silica powder was added to 100 parts by weight of the resin used in Example 7 to obtain a resin composition having a structural viscosity index of 4.3.
この樹脂組成物の粘度は、２００回転６７ ｐｏｉｓｅ
／２５℃、２回転で２８８ｐｏｉｓｅ ／ ２５℃であ
った。The viscosity of this resin composition is 67 poise at 200 revolutions.
/25°C, 2 rotations and 288 poise /25°C.
実施例７と同様にして、ゲルタイムを：Ａ幣し、かつ、
糊液（粘度６９ ｐｏｉＳｅ ／ ２５℃）を（す、接
着作業を行ない、その接着）↑能を試験した。Gel time was added in the same manner as in Example 7, and
A glue solution (viscosity: 69 poiSe/25°C) was used for adhesion and its adhesion was tested.
実施例４と同様の結果を（Ｓｌだ。The same results as in Example 4 were obtained (Sl.
以りの実施例５〜８の結果から本発明の接着剤は第１図
に示′４−ような塗布システムでも充分使用できること
を示している。The results of Examples 5 to 8 below show that the adhesive of the present invention can be satisfactorily used in a coating system such as that shown in FIG.
比較例コう
実施例１と同様にして合成されたレゾルシノール・ホル
ムアルデヒド樹脂＋００１量部に対して、実施例１に使
用した超微粒状シリカ粉末を０５川！ｎ部を添加し、構
造粘性指数が１０の樹脂組成物を（りた、この樹脂組成
物の粘度は、２００回転ｌ ８ ｐｏｉｓｅ ／ ２５
℃、２回転で１８ ｐｏｉｓｅ 、７２５℃であった。Comparative Example: To 0.001 parts of resorcinol formaldehyde resin synthesized in the same manner as in Example 1, 0.05 parts of the ultrafine silica powder used in Example 1 was added. A resin composition with a structural viscosity index of 10 was prepared by adding n parts.The viscosity of this resin composition was as follows:
The temperature was 725°C and 18 poise with 2 rotations.
実施例５と同様にして、ゲルタイムを調整し、かつ、糊
液（粘度１０ ｐｏｉｓｅ ／ ２５℃）を得、接着作
業を行ないその接着性能を試験したが、第１図に示すよ
うな塗布システムでは、グルーヘッドからの吐出性が悪
く、作業に支障をきたし、圧締に際し糊液の流動性など
も悪かった。In the same manner as in Example 5, the gel time was adjusted and a glue solution (viscosity: 10 poise/25°C) was obtained, and the adhesive performance was tested by performing an adhesion operation. However, the discharge performance from the glue head was poor, which hindered work, and the fluidity of the glue liquid during pressing was also poor.
実施例９〜１２、比較例４〜５
実施例１〜４および比較例１〜２において、塗付方法を
、グルーエクストルダーによる線状塗付に代えて、グル
ースプレッダ−によるローラ塗布とした以外は各実施例
および比較例と同様にして、接着作業を行ない、接着性
能の試験を行った。Examples 9 to 12, Comparative Examples 4 to 5 In Examples 1 to 4 and Comparative Examples 1 to 2, the application method was replaced with linear application using a glue extruder, except that roller application using a glue spreader was used. Adhesive work was carried out in the same manner as in each of the Examples and Comparative Examples, and the adhesion performance was tested.
結果を第２表に示す。The results are shown in Table 2.
第２表に示すように、本発明によるレゾルシノール系樹
脂接着剤は、特に、高温下においてはグルースプレッダ
−によるローラ塗布でも有効であ［発明の効果］
以−」−本発明によれば、ｔｔｉ積時開時間長を可能と
し、それにもかかわらず接着性能の低下を防止すること
ができるレゾルシノール系樹脂接着剤を提供することが
できた。As shown in Table 2, the resorcinol resin adhesive according to the present invention is effective even when applied by a roller using a glue spreader, especially at high temperatures. It has been possible to provide a resorcinol-based resin adhesive that allows for a long open time during loading and is capable of preventing deterioration in adhesive performance.
特に、本発明による接着剤は、気温および被着Ｈの温度
が高くなる夏季や高温地域の如き高温士での作業におい
て作業性の低下が防１トされ、集成キイ特に大断面構造
用集成十イの接着に対し好適で。In particular, the adhesive according to the present invention prevents deterioration in workability during work in high-temperature ovens such as in summer and high-temperature areas where the air temperature and the temperature of the adherend H are high. Suitable for adhesive bonding.
また、グルーエクストルダー装置にも使用できる糊液特
に樹脂として好適でノズル孔からの吐出性や被着材上で
の浸透性が良好なレゾルシノール系樹脂接着剤を提供す
ることができた。Furthermore, it was possible to provide a resorcinol-based resin adhesive that can be used in a glue extruder device and is suitable as a glue, especially as a resin, and has good discharge properties from a nozzle hole and good permeability onto adherends.
第１図は本発明における塗布システムの一例説明図、第
２図：ま同堂布システムの一例説明図、第：３図（イ）
および（ロ）はそれぞれ塗布後の様子を小ず説明図、第
４図はローラー塗布の説明図である。
３・・・接着剤
・糊液Fig. 1 is an explanatory diagram of an example of the coating system in the present invention, Fig. 2 is an explanatory diagram of an example of the Makodofu system, Fig. 3 (A)
and (b) are explanatory views of the state after application, and FIG. 4 is an explanatory view of roller application. 3...Adhesive/size liquid
Claims (1)
の範囲に調整したレゾルシノール系樹脂組成物または構
造粘性指数が２〜７の範囲のレゾルシノール系樹脂を含
有して成るレゾルシノール系樹脂接着剤組成物。 ２、チクソトロピー剤が、超微粒子状無水シリカである
、請求項１に記載のレゾルシノール系樹脂接着剤組成物
。 ３、レゾルシノール系樹脂接着剤組成物が、木材用接着
剤組成物で、集成材用接着剤である、請求項１に記載の
レゾルシノール系樹脂接着剤組成物。 ４、レゾルシノール系樹脂接着剤組成物が、グルーヘッ
ドから接着剤糊液を線状に流出させ塗布する形式のグル
ーエクストルダー装置用の接着剤である、請求項１に記
載のレゾルシノール系樹脂接着剤組成物。[Claims] 1. The structural viscosity index is increased from 2 to 7 by a thixotropic agent.
A resorcinol resin adhesive composition comprising a resorcinol resin composition adjusted to have a structural viscosity index of 2 to 7. 2. The resorcinol resin adhesive composition according to claim 1, wherein the thixotropic agent is ultrafine anhydrous silica. 3. The resorcinol resin adhesive composition according to claim 1, wherein the resorcinol resin adhesive composition is a wood adhesive composition and is an adhesive for laminated wood. 4. The resorcinol-based resin adhesive composition according to claim 1, wherein the resorcinol-based resin adhesive composition is an adhesive for a glue extruder device in which adhesive liquid is applied by linearly flowing out from a glue head. Composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63288121A JP2645321B2 (en) | 1988-11-15 | 1988-11-15 | Resorcinol resin adhesive composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63288121A JP2645321B2 (en) | 1988-11-15 | 1988-11-15 | Resorcinol resin adhesive composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02133485A true JPH02133485A (en) | 1990-05-22 |
| JP2645321B2 JP2645321B2 (en) | 1997-08-25 |
Family
ID=17726078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63288121A Expired - Lifetime JP2645321B2 (en) | 1988-11-15 | 1988-11-15 | Resorcinol resin adhesive composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2645321B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6174957B1 (en) | 1992-04-24 | 2001-01-16 | Casco Products Ab | Adhesive composition based on novolac |
| JP2006218707A (en) * | 2005-02-09 | 2006-08-24 | Takenaka Komuten Co Ltd | Composite woody structural material and its manufacturing method |
| JP2006218706A (en) * | 2005-02-09 | 2006-08-24 | Takenaka Komuten Co Ltd | Composite woody structural material and its manufacturing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575774A (en) * | 1980-06-11 | 1982-01-12 | Nagoya Yukagaku Kogyo Kk | Two-pack type synthetic resin composition |
| JPS58101173A (en) * | 1981-12-10 | 1983-06-16 | Nippon Tairumento Kk | Aerosol adhesive composition |
| JPS58173176A (en) * | 1982-04-02 | 1983-10-12 | Aica Kogyo Co Ltd | Adhesive composition |
-
1988
- 1988-11-15 JP JP63288121A patent/JP2645321B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575774A (en) * | 1980-06-11 | 1982-01-12 | Nagoya Yukagaku Kogyo Kk | Two-pack type synthetic resin composition |
| JPS58101173A (en) * | 1981-12-10 | 1983-06-16 | Nippon Tairumento Kk | Aerosol adhesive composition |
| JPS58173176A (en) * | 1982-04-02 | 1983-10-12 | Aica Kogyo Co Ltd | Adhesive composition |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6174957B1 (en) | 1992-04-24 | 2001-01-16 | Casco Products Ab | Adhesive composition based on novolac |
| JP2006218707A (en) * | 2005-02-09 | 2006-08-24 | Takenaka Komuten Co Ltd | Composite woody structural material and its manufacturing method |
| JP2006218706A (en) * | 2005-02-09 | 2006-08-24 | Takenaka Komuten Co Ltd | Composite woody structural material and its manufacturing method |
| JP4617171B2 (en) * | 2005-02-09 | 2011-01-19 | 株式会社竹中工務店 | Composite wood structure material and method for producing composite wood structure material |
| JP4664698B2 (en) * | 2005-02-09 | 2011-04-06 | 株式会社竹中工務店 | Composite wood structure material and method for producing composite wood structure material |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2645321B2 (en) | 1997-08-25 |
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