JPH07121993B2 - Fluorocarbon resin molded product processing liquid - Google Patents
Fluorocarbon resin molded product processing liquidInfo
- Publication number
- JPH07121993B2 JPH07121993B2 JP61267145A JP26714586A JPH07121993B2 JP H07121993 B2 JPH07121993 B2 JP H07121993B2 JP 61267145 A JP61267145 A JP 61267145A JP 26714586 A JP26714586 A JP 26714586A JP H07121993 B2 JPH07121993 B2 JP H07121993B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- treatment liquid
- fluororesin
- molded product
- metallic sodium
- 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims description 21
- 229920005989 resin Polymers 0.000 title description 5
- 239000011347 resin Substances 0.000 title description 5
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 title 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 28
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 18
- 229910052708 sodium Inorganic materials 0.000 claims description 18
- 239000011734 sodium Substances 0.000 claims description 18
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 14
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 238000009835 boiling Methods 0.000 description 7
- 238000006115 defluorination reaction Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はフッ素樹脂成形品の表面を脱フッ素するための
処理液に関する。TECHNICAL FIELD The present invention relates to a treatment liquid for defluorinating the surface of a fluororesin molded article.
（従来の技術） 一般にフッ素樹脂は、撥水、撥油、非粘着性が高く、離
形性を望むものにおいて広く用いられているが、その反
面、接着が非常に困難であることから、その用途に制約
を受けていた。(Prior Art) Generally, a fluororesin is widely used for water-repellent, oil-repellent, non-adhesive, and is desired to have releasability, but on the other hand, since it is very difficult to adhere, It was restricted in its use.
特に近年、半導体製造装置の薬液槽や純水槽、或いはパ
イプなどに金属非含有性、表面平滑性等の特性を有する
ために用いられているが、該フッ素樹脂は高価で剛性を
持たないので、鋼板やFRPにライニングして用いるのが
好ましいが、上記のように接着性が悪くライニングが良
好に行えなかった。Particularly, in recent years, it has been used to have characteristics such as metal-free property and surface smoothness in a chemical solution tank or a pure water tank of a semiconductor manufacturing apparatus, or a pipe, but since the fluororesin is expensive and does not have rigidity, It is preferable to use it after lining it on a steel plate or FRP, but as described above, the adhesiveness was poor and the lining could not be performed well.
そこで従来は、フッ素樹脂からなる板材などの成形品表
面を脱フッ素処理して、接着性を高めるようにしてい
る。Therefore, conventionally, the surface of a molded product such as a plate material made of a fluororesin is subjected to defluorination treatment to enhance the adhesiveness.
この脱フッ素処理としては、例えば、液体アンモニアに
１％の金属ナトリウムを添加して調合した処理液を用い
るアンモニア法、水と苛性ソーダとアルコールを3:1:1
の割合で混合して調合した処理液を用いる苛性ソーダ
法、或いはテトラヒドロフラン（THF）１にナフタリ
ン128gと金属ナトリウム23gを添加して調合した処理液
を用いるナフタリン法などがある。As the defluorination treatment, for example, an ammonia method using a treatment liquid prepared by adding 1% metallic sodium to liquid ammonia, water: caustic soda and alcohol: 3: 1: 1
There is a caustic soda method using a treatment liquid prepared by mixing at a ratio of 1, or a naphthalene method using a treatment liquid prepared by adding 128 g of naphthalene and 23 g of metallic sodium to tetrahydrofuran (THF) 1.
（発明が解決しようとする問題点） ところで、上記したアンモニア法や苛性ソーダ法は、管
理設備、環境設備の点で実用的ではなく、一般にはナフ
タリン法が採用されているが、この場合にあっても次の
ような問題点がある。(Problems to be Solved by the Invention) The ammonia method and the caustic soda method described above are not practical in terms of management equipment and environmental equipment, and the naphthalene method is generally adopted. Also has the following problems.
即ち、THFは沸点が低く揮発性が極めて高く、フッ素樹
脂成形品の表面に塗布して脱フッ素処理するとき、THF
がすぐに蒸発して金属ナトリウムがフッ素樹脂中のフッ
素と結合する前に空気中の水分と結合し、NaOHに変化
し、所謂脱フッ素が不充分であったりバラツキが大き
く、接着性を充分に高めることができず、また、THFは
引火点が−17.2℃と非常に低く、取扱に注意を要するも
のであった。That is, since THF has a low boiling point and extremely high volatility, when it is applied to the surface of a fluororesin molded article for defluorination treatment, THF
Quickly evaporates and the metallic sodium combines with the moisture in the air before combining with the fluorine in the fluororesin and changes to NaOH, so-called defluorination is insufficient or there is large variation, and sufficient adhesiveness is achieved. It could not be increased, and the flash point of THF was very low at -17.2 ° C, which required careful handling.
（問題点を解決するための手段） 本発明は以上のような問題点に注目して発明したもので
あって、沸点が非常に高く、かつ金属ナトリウムと反応
しない1.3−ジメチル−２−イミダゾリジノン（以下、D
MIと略称する）とテトラヒドロフラン（以下、THFと略
称する）との混合溶液に金属ナトリウムとナフタリンと
を添加して調合したものである。(Means for Solving Problems) The present invention was made by paying attention to the above problems, and has a very high boiling point and does not react with metallic sodium, 1.3-dimethyl-2-imidazolidi Non (hereinafter, D
It is prepared by adding metallic sodium and naphthalene to a mixed solution of MI) and tetrahydrofuran (hereinafter abbreviated as THF).
（作用） 上記した構成によれば、沸点が高く金属ナトリウムと反
応しない溶液を用いていることから、処理作業時の液蒸
発が非常に少なく、金属ナトリウムの空気中の水分との
結合を阻止することができ、さらに、THFの混合によっ
て金属ナトリウムが活性化され、この金属ナトリウムに
よるフッ素樹脂成形品の表面の脱フッ素処理が確実に行
われ、その接着性を高め得る。(Operation) According to the above-mentioned configuration, since the solution having a high boiling point and not reacting with metallic sodium is used, the liquid evaporation during the treatment work is very small, and the binding of metallic sodium with moisture in the air is prevented. Further, the sodium metal is activated by mixing with THF, and the defluorination treatment of the surface of the fluororesin molded article by the metal sodium is surely performed, so that the adhesiveness thereof can be enhanced.
（実施例） 本発明の処理液として用いられる溶液は、沸点が高く金
属ナトリウムと反応しないDMIにTHFを混合してなる溶液
が用いられる。DMIの沸点は226℃であり、引火点は107
℃であって、THFの66℃及び−17.2℃より遥かに高い沸
点と引火点を有している。そして、該溶液には塩素基、
水酸基を有しておらず、金属ナトリウムと反応すること
はない。この溶液に金属ナトリウムとナフタリンとを徐
々に加え、24時間放置した後、充分に撹拌して調合する
のである。(Example) The solution used as the treatment liquid of the present invention is a solution obtained by mixing THF with DMI which has a high boiling point and does not react with metallic sodium. DMI has a boiling point of 226 ° C and a flash point of 107.
It has a boiling point and a flash point that are much higher than those of THF at 66 ° C and -17.2 ° C. And, the solution contains chlorine group,
It has no hydroxyl groups and does not react with metallic sodium. Metallic sodium and naphthalene are gradually added to this solution, left for 24 hours, and then sufficiently stirred to prepare the mixture.
しかして、上記のように調合された処理液によりフッ素
樹脂成形品、例えば、フッ素樹脂板（１）の片側面を脱
フッ素処理するのであって、第２図に示すようにフッ素
樹脂板（１）をロールコータ（２）に供給して、該樹脂
板（１）の片面に上記した本発明の処理液（３）を塗布
するのである。Then, one side surface of the fluororesin molded product, for example, the fluororesin plate (1) is defluorinated by the treatment liquid prepared as described above, and as shown in FIG. Is supplied to the roll coater (2), and the treatment liquid (3) of the present invention is applied to one surface of the resin plate (1).
これによってフッ素樹脂板（１）における表面のフッ素
が上記処理液（３）の金属ナトリウムと反応して脱フッ
素されるのである。また、フッ素樹脂板の一部のみを脱
フッ素するには、本発明処理液を該部分に滴下塗布すれ
ばよいことはいうまでもない。As a result, the fluorine on the surface of the fluororesin plate (1) reacts with the metallic sodium of the treatment liquid (3) to be defluorinated. Needless to say, in order to defluorinate only a part of the fluororesin plate, the treatment liquid of the present invention may be applied dropwise to the part.
上記のように脱フッ素処理された樹脂板（１）はその接
着性が高く、エポキシ系或いはアクリル系等の接着剤に
より適宜の材料、例えば鋼板やFRP板に強固に接着する
ことができる。また上記脱フッ素処理は、前記処理液
（３）を樹脂板（１）の表面に塗布するだけであるか
ら、特別な装置や設備を必要とせず、簡単容易にかつ安
価に実施することができるものである。The resin plate (1) that has been defluorinated as described above has high adhesiveness and can be firmly adhered to an appropriate material such as a steel plate or an FRP plate with an epoxy-based or acrylic-based adhesive. Further, the defluoridation treatment is simply applied to the surface of the resin plate (1) by the treatment liquid (3), and thus can be carried out easily, easily and inexpensively without requiring any special device or equipment. It is a thing.
次に、本発明の具体例とJISK6850の接着試験法による接
着試験の結果とについて説明する。Next, specific examples of the present invention and the results of the adhesion test according to the JIS K6850 adhesion test method will be described.
使用するフッ素樹脂板としては、二フッ化ビニリデン樹
脂板（タキロン株式会社製、KF板）を用い、該KF板の片
面をサンドペーパー＃120により縦横両方向に磨き、ア
セトンで洗浄した後、第１表に示すような割合とした本
発明の処理液を塗布してブラッシングを行い、約１分後
にアセトンで拭き取り水洗いして試験片とした。As the fluororesin plate to be used, a vinylidene difluoride resin plate (Takylon Co., KF plate) was used, and one side of the KF plate was polished in both the vertical and horizontal directions with sandpaper # 120 and washed with acetone, then the first The treatment liquid of the present invention was applied in the proportions shown in the table for brushing, and after about 1 minute, the test piece was wiped with acetone and washed with water.
一方、鋼板を脱脂後、サンドペーパー＃120で磨いた
後、アセトンで拭き取り試験片とした。On the other hand, after degreasing the steel sheet, it was polished with sandpaper # 120 and then wiped with acetone to obtain a test piece.
そして、これらの試験片をエポキシ系の接着剤、ボンド
ED−100（コニシ株式会社製）により接着した。また、
前記と同様に処理したKF板にエポキシ系プライマー処理
剤リポキシRT−833（コニシ株式会社製）を用いてプラ
イマー処理を行い、その上に＃500ガラスマットを当て
ポリエステル樹脂を含浸硬化させ接着した。その後、引
張試験機にて引張テストを行い、接着強度を測定したと
ころ、第１表のような試験結果を得た。Then, these test pieces are bonded with an epoxy adhesive or bond.
Bonding was performed with ED-100 (manufactured by Konishi Co., Ltd.). Also,
A KF plate treated in the same manner as described above was subjected to a primer treatment using an epoxy-based primer treating agent Lipoxy RT-833 (manufactured by Konishi Co., Ltd.), and a # 500 glass mat was applied onto the KF plate to impregnate and cure the polyester resin for adhesion. Then, a tensile test was conducted by a tensile tester to measure the adhesive strength, and the test results shown in Table 1 were obtained.
また、上記のエポキシ系接着剤に代えて二液混合型のア
クリル系接着剤、ボンドコニセットAG−100（コニシ株
式会社製）を用い、KF板と鋼板での接着処理時の温度及
び湿度を変えて、常温での接着強度を試験したところ、
第２表に示すような試験結果を得た。Also, in place of the above epoxy-based adhesive, a two-component mixed type acrylic adhesive, Bond Coniset AG-100 (manufactured by Konishi Co., Ltd.) is used, and the temperature and humidity at the time of the bonding treatment with the KF plate and the steel plate are adjusted. By changing, the adhesive strength at room temperature was tested,
The test results as shown in Table 2 were obtained.
なお、第１表において、従来品はKF板にサンドペーパー
で磨きを掛けたものであり、従来品Ｂは磨きを行わない
ものである。In Table 1, the conventional product is a KF plate polished with sandpaper, and the conventional product B is not polished.
上記第１表及び第２表から明らかなよう、従来品Ａ及び
Ｂはいずれも、本発明の実施例Ｉに比較して剪断強度が
低く、しかも温度及び湿度が変わってもその関係は変わ
らず、また接着部の剥離が、従来品にあってはKF板側で
発生し、本発明にあっては鋼板側で発生していることか
ら、本発明では鋼板に対する接着性能の良い接着剤を用
いることにより、フッ素樹脂板と鋼板との接着をより一
層確実強固に行わせ得ることが分かる。 As is clear from Tables 1 and 2, the conventional products A and B both have lower shear strength as compared with Example I of the present invention, and their relationship does not change even if the temperature and humidity are changed. In addition, since the peeling of the adhesive portion occurs on the KF plate side in the conventional product, and occurs on the steel plate side in the present invention, the present invention uses an adhesive having good adhesive performance to the steel plate. Thus, it can be seen that the fluororesin plate and the steel plate can be bonded more reliably and firmly.
（発明の効果） 以上のように本発明によるフッ素樹脂成形品の処理液
は、沸点が高く金属ナトリウムと反応しないDMIにTHFを
混合してなる溶液を用いるものであるから、フッ素樹脂
成形品の表面に塗布したときの液蒸発が非常に少なく、
金属ナトリウムの空気中の水分との結合を低く抑え、所
謂金属ナトリウムの活性化を損なうようなことがなく、
従って、前記フッ素樹脂成形品の表面脱フッ素処理を確
実に行って、その接着性を高め得るに至ったのである。
また、上記のように本発明に用いるDMIは揮発性が低
く、かつ引火点が極めて高いので、処理液の経時変化が
少なく、脱フッ素処理を安定よく行い得るものであり、
しかも揮発性及び引火を防止するための特別な設備を必
要とせず、設備コストやランニングコストの引き下げを
図ることができ、また、DMIにTHFを混合しているので、
THFによって金属ナトリウムが活性化されてDMIを単独で
用いた処理液よりも一層強固な接着を行わせることがで
きる等の実用的な作用効果を奏するものである。(Effect of the invention) As described above, the treatment liquid for the fluororesin molded article according to the present invention uses a solution obtained by mixing THF with DMI that has a high boiling point and does not react with metallic sodium. Very little liquid evaporation when applied to the surface,
Suppressing the binding of metallic sodium with moisture in the air to a low level, without impairing the activation of so-called metallic sodium,
Therefore, the surface defluorination treatment of the above-mentioned fluororesin molded product can be surely performed, and its adhesiveness can be improved.
Further, as described above, the DMI used in the present invention has low volatility and has a very high flash point, so that there is little change over time in the treatment liquid, and defluorination treatment can be performed stably.
Moreover, it does not require special equipment to prevent volatility and ignition, and it is possible to reduce equipment costs and running costs.Because DMI is mixed with THF,
Metallic sodium is activated by THF, and it has a practical effect such as a stronger adhesion than a treatment liquid using DMI alone.
第１図は本発明の実施例を示す縦断面図、第２図は処理
液の塗布説明図である。 （１）……フッ素樹脂製板体、（３）……処理液。FIG. 1 is a vertical cross-sectional view showing an embodiment of the present invention, and FIG. 2 is an explanatory view of application of treatment liquid. (1) ... Plate made of fluororesin, (3) ... Treatment liquid.
Claims (1)
性を付与するための処理液であって、金属ナトリウムと
反応しない1.3−ジメチル−２−イミダゾリジノンとテ
トラヒドロフランとの混合溶液に金属ナトリウムとナフ
タリンとを添加して調合したことを特徴とするフッ素樹
脂成形品の処理液。1. A treatment liquid for defluorinating the surface of a fluororesin molded article to impart adhesiveness, wherein a mixed solution of 1.3-dimethyl-2-imidazolidinone and tetrahydrofuran that does not react with metallic sodium is used as a metal. A treatment liquid for a fluororesin molded article, which is prepared by adding sodium and naphthalene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61267145A JPH07121993B2 (en) | 1986-11-10 | 1986-11-10 | Fluorocarbon resin molded product processing liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61267145A JPH07121993B2 (en) | 1986-11-10 | 1986-11-10 | Fluorocarbon resin molded product processing liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63120745A JPS63120745A (en) | 1988-05-25 |
| JPH07121993B2 true JPH07121993B2 (en) | 1995-12-25 |
Family
ID=17440707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61267145A Expired - Lifetime JPH07121993B2 (en) | 1986-11-10 | 1986-11-10 | Fluorocarbon resin molded product processing liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07121993B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411629A (en) * | 1992-02-03 | 1995-05-02 | Motorola, Inc. | Method for roughening surface of halocarbon film |
| JP4516206B2 (en) * | 2000-12-26 | 2010-08-04 | 本田技研工業株式会社 | Lithium battery gasket |
| JP4751775B2 (en) * | 2006-06-14 | 2011-08-17 | 株式会社竹中工務店 | Fluororesin film surface treatment method |
| JP2010243245A (en) * | 2009-04-02 | 2010-10-28 | Tokyo Keiso Co Ltd | Ultrasonic flow meter |
| JP6292011B2 (en) * | 2014-05-02 | 2018-03-14 | 住友電気工業株式会社 | Sodium ion secondary battery |
| CN117565505A (en) * | 2023-11-16 | 2024-02-20 | 安丹达工业技术(上海)有限公司 | Chemical-resistant fabrics, preparation methods of chemical-resistant fabrics and protective equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6019778B2 (en) * | 1977-10-04 | 1985-05-17 | 川研フアインケミカル株式会社 | Surface treatment agent for fluororesin molded products |
-
1986
- 1986-11-10 JP JP61267145A patent/JPH07121993B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63120745A (en) | 1988-05-25 |
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