JPH02158632A - Modification of surface of synthetic resin by ultraviolet laser - Google Patents
Modification of surface of synthetic resin by ultraviolet laserInfo
- Publication number
- JPH02158632A JPH02158632A JP31237488A JP31237488A JPH02158632A JP H02158632 A JPH02158632 A JP H02158632A JP 31237488 A JP31237488 A JP 31237488A JP 31237488 A JP31237488 A JP 31237488A JP H02158632 A JPH02158632 A JP H02158632A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- laser
- synthetic resin
- fiber
- ultraviolet laser
- 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
- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 21
- 239000000057 synthetic resin Substances 0.000 title claims abstract description 21
- 238000012986 modification Methods 0.000 title abstract description 5
- 230000004048 modification Effects 0.000 title abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 40
- 239000011347 resin Substances 0.000 claims abstract description 40
- 230000001678 irradiating effect Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 10
- 238000002715 modification method Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 7
- 239000003365 glass fiber Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000011282 treatment Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000009736 wetting Methods 0.000 abstract 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 7
- 239000004917 carbon fiber Substances 0.000 description 7
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000012784 inorganic fiber Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000635 electron micrograph Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は合成樹脂表面の改質方法に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a method for modifying the surface of a synthetic resin.
（従来技術及びその問題点）
軽量で加工性に富む樹脂の強度特性や寸法安定性などを
向上させるために、ガラス繊維、炭素繊維、あるいは無
機、金属繊維などを複合させた繊維強化樹脂が製造され
、様々な用途に使われている。これらの繊維により強化
された樹脂を１種々の仕様の形状とするためや、または
、樹脂表面の耐久性などの特性を向上させるために、複
数の素材と接着させることが行われている。しかし、そ
−Ｆ＆’らの樹脂表面の接着性は必ずしも充分ではない
。(Prior art and its problems) In order to improve the strength characteristics and dimensional stability of lightweight and processable resin, fiber-reinforced resins are manufactured by combining glass fibers, carbon fibers, inorganic fibers, metal fibers, etc. and is used for various purposes. In order to make resin reinforced with these fibers into shapes with various specifications or to improve characteristics such as durability of the resin surface, it is bonded to a plurality of materials. However, the adhesion of the resin surface of these resins is not necessarily sufficient.
そこで、繊維強化樹脂の表面接着性を高めることは、繊
維強化樹脂の一層の活性を図る上で極めて重要となる。Therefore, it is extremely important to improve the surface adhesion of fiber-reinforced resins in order to make the fiber-reinforced resins more active.
また、繊維強化樹脂表面のぬれ性、含浸性、吸油性、易
滑性などを向上させるために、その表面を改質すること
も、繊維強化樹脂の利用拡大を図る上で極めて重要とな
る。しかし、従来の化学処理や機械的処理などの表面改
質手法では。Furthermore, in order to improve the wettability, impregnability, oil absorption, slipperiness, etc. of the fiber-reinforced resin surface, it is extremely important to modify the surface of the fiber-reinforced resin in order to expand the use of the fiber-reinforced resin. However, with conventional surface modification methods such as chemical and mechanical treatments.
充分に改質されなかったり、強度の低下を伴ったりする
問題がある上、特定部位だけを処理することは困難であ
る。また、繊維強化樹脂表面に接着した複数の樹脂素材
を、樹脂表面から取り除く方法として、砂などの微粒子
を樹脂表面に衝突させ、物理的に除去させる方法が用い
られているが、この方法では、樹脂本体に損傷を与える
場合が多く、制御性に問題があった。In addition to problems such as insufficient modification or a decrease in strength, it is difficult to treat only specific areas. In addition, as a method for removing multiple resin materials adhered to the fiber reinforced resin surface from the resin surface, a method is used in which fine particles such as sand are collided with the resin surface and physically removed. This often caused damage to the resin body, and there were problems with controllability.
さらに、各種合成樹脂成形品の特定部位の表面のみを改
質する技術の要望もあるが、従来の技術では、このよう
な要望に有効に対応することはできな−かった。Furthermore, there is a demand for a technique for modifying only the surface of specific parts of various synthetic resin molded articles, but conventional techniques have not been able to effectively meet such a demand.
（発明の課題）
本発明は、合成樹脂の優れた特性を低下させることなし
に、必要な特定部位のみの表面改質、すなわち、接着性
を始めとして、ぬれ性、吸油性、含浸性などの向上や、
表面清浄化等を効果的に行うことのできろ表面改質方法
を提供することをその課題とする。(Problems to be solved by the invention) The present invention aims to improve the surface of only specific parts of the synthetic resin without reducing its excellent properties. improvement,
The object of the present invention is to provide a surface modification method that can effectively perform surface cleaning and the like.
（課題を解決するための手段）
本発明者らは、前記課題を解決すべく鋭意研究を重ねた
結果、本発明を完成するに到った。(Means for Solving the Problems) The present inventors have completed the present invention as a result of intensive research to solve the above problems.
即ち、本発明によれば、合成樹脂表面に紫外レーザーを
照射することを特徴とする合成樹脂の表面改質方法が提
供される。That is, according to the present invention, there is provided a method for modifying the surface of a synthetic resin, which comprises irradiating the surface of the synthetic resin with an ultraviolet laser.
本発明の処理対象となる合成樹脂表面は、従来公知の各
種合成樹脂から形成することができる。The synthetic resin surface to be treated in the present invention can be formed from various conventionally known synthetic resins.
このような合成樹脂は、例えば、ポリエチレン。Such synthetic resin is, for example, polyethylene.
ポリプロピレン、エチレン／プロピレン共重合体等のポ
リオレフィン系樹脂、ポリスチレン系樹脂、ポリ塩化ビ
ニル、ポリエステル、ポリアミド、ポリカーボネート、
ポリアセタール樹脂、エポキシを脂、フ・ノール樹脂等
の各種の熱可咽性又は熱硬化性樹脂であることができる
し、また、光硬化性樹脂であってもよい。また、これら
の合成樹脂は、各種形状の成形体、積層体あるいは複合
体であることができる。Polyolefin resins such as polypropylene, ethylene/propylene copolymers, polystyrene resins, polyvinyl chloride, polyesters, polyamides, polycarbonates,
Various thermoplastic or thermosetting resins such as polyacetal resin, epoxy resin, phenol resin, etc. may be used, or a photocurable resin may be used. Moreover, these synthetic resins can be formed into molded bodies, laminates, or composite bodies of various shapes.
本発明の好ましい処理対象は、繊維強化樹脂である。こ
の場合、その樹脂としては、前記した如き各種合成樹脂
が挙げられ、また、その強化用繊維としては、ガラス繊
維、炭素繊維、アルミナその他の無機繊維、ケブラー繊
維、合成繊維、金属繊維等が挙げられる。繊維強化樹脂
は、機械、電気、自動車、航空、宇宙、化学等の様々の
産業分野において、軽量で高強度の構造材料として活性
されているものである。A preferable treatment target of the present invention is fiber reinforced resin. In this case, examples of the resin include the various synthetic resins described above, and examples of the reinforcing fiber include glass fiber, carbon fiber, alumina and other inorganic fibers, Kevlar fiber, synthetic fiber, and metal fiber. It will be done. Fiber-reinforced resins are used as lightweight, high-strength structural materials in various industrial fields such as machinery, electricity, automobiles, aviation, space, and chemistry.
本発明によれば１合成樹脂表面を、エキシマレーザ−な
どの高強度紫外レーザーで特定部位を照射することによ
り、その特定部位の表面を容易に改質することができる
。すなわち、合成樹脂の改質したい部位に相当するマス
ク（金属板製パターンなど）を通過させたレーザービー
ムを照射する亦、あるいはビームを走査させることによ
り、任意の形状の改質すべき合成樹脂表面から樹脂を削
除し、微細凹部又は凹凸部を形成させて表面改質するこ
とができる。According to the present invention, by irradiating a specific portion of the synthetic resin surface with a high-intensity ultraviolet laser such as an excimer laser, the surface of that specific portion can be easily modified. In other words, by irradiating a laser beam that has passed through a mask (such as a metal plate pattern) corresponding to the part of the synthetic resin that you want to modify, or by scanning the beam, it is possible to remove any shape from the synthetic resin surface to be modified. The surface can be modified by removing the resin and forming fine depressions or irregularities.
本発明による合成樹脂表面の改質は、その表面に対する
紫外レーザーの照射による表面部からの樹脂の削除又は
それにより生じる微細凹凸の形成によるものである。こ
の場合、紫外レーザーと合成樹脂との反応は、非熱的な
光化学的分解反応であり、照射部位以外の周辺には何ら
の熱的損傷を伴わず、かつ除去された樹脂片は高エネル
ギーを有したフラグメントとして、周囲に高速で飛散し
ていくので、それらの樹脂片が樹脂表面に付着残存する
ことがない。従って、処理表面を後で洗浄する必要もな
い、除去される樹脂の量、すなわち表面に形成される凹
部の深さ、あるいは表面の粗さは、照射するレーザーの
波長、フルエンス、パルス数により制御できる。また、
本方法は通常の空気中、常温常圧雰囲気中での作業で良
く、極めて容易な工程である。The surface modification of the synthetic resin according to the present invention is achieved by removing the resin from the surface by irradiating the surface with an ultraviolet laser, or by forming fine irregularities resulting therefrom. In this case, the reaction between the ultraviolet laser and the synthetic resin is a non-thermal photochemical decomposition reaction, and there is no thermal damage to the area other than the irradiated area, and the removed resin pieces are exposed to high energy. Since the resin fragments are scattered around at high speed, these resin pieces do not remain attached to the resin surface. Therefore, there is no need to clean the treated surface afterwards.The amount of resin removed, that is, the depth of the recess formed on the surface, or the roughness of the surface, is controlled by the wavelength, fluence, and number of pulses of the irradiated laser. can. Also,
This method is an extremely easy process that can be carried out in normal air or in an atmosphere of normal temperature and pressure.
本発明におけるレーザーとしては、紫外レーザーが適し
ており、特に好適には、ＸｅＣ１（３０８ｒ＋ｍ）、に
ｒＦ（２４８ｎｍ）、ＡｒＦ （１９３ｎｍ）あるいは
Ｆ２（１５７ｎｍ）エキシマ−レーザーである。また、
Ｎｄ”：ＹＡＧ、色素レーザー、 Ｋｒイオンレーザ−
１Ａｒイオンレーザ−あるいは銅蒸気レーザーの基本発
振波長光を非線形光学素子などにより、紫外光領域のレ
ーザーに変換したものも有効である。レーザーのフルエ
ンスとしては、素材により異なるが、約０．１ｍＪ／ａ
＃／パルス以上の高輝度レーザーが望ましい。As the laser in the present invention, an ultraviolet laser is suitable, and XeC1 (308r+m), rF (248nm), ArF (193nm) or F2 (157nm) excimer laser is particularly preferred. Also,
Nd”: YAG, dye laser, Kr ion laser
It is also effective to convert the fundamental oscillation wavelength light of a 1Ar ion laser or a copper vapor laser into a laser in the ultraviolet region using a nonlinear optical element or the like. The laser fluence varies depending on the material, but is approximately 0.1 mJ/a.
A high-intensity laser of #/pulse or higher is desirable.
（発明の効果）
以上のようにして、シー４−照射部分の樹脂表面におい
て、物理的に凹凸が生まれ、化学的には表面活性となる
。この部位に新たな接着剤を塗布すれば、未処理の場合
に比べ、高い接着性の向上が図れる。あるいは種々の化
学活性剤を塗布することにより、含浸性、吸油性、易滑
性などが未処理の場合と比較して向」ニし、表面改質の
効果が顕著に現れる。さらに、その優れた制御性を利用
して、基材樹脂表面に接着した複数の樹脂素材を。(Effects of the Invention) As described above, physically unevenness is created on the resin surface of the irradiated portion of the sheet 4, and chemically it becomes surface active. If a new adhesive is applied to this area, the adhesion will be significantly improved compared to the untreated case. Alternatively, by coating with various chemical activators, impregnability, oil absorption, slipperiness, etc. are improved compared to untreated cases, and the effect of surface modification becomes noticeable. Furthermore, by utilizing its excellent controllability, multiple resin materials can be bonded to the base resin surface.
２材樹脂自体に損傷を与えずに樹脂表面から取り除く方
法としても優れている。また、炭素繊維や、ガラス繊維
、金属繊維あるいは無機繊維等で強化された樹脂に対し
て本方法を適用する時には、その繊維には損傷を与えず
に樹脂のみを除去することができる。It is also an excellent method for removing from the resin surface without damaging the two-material resin itself. Further, when this method is applied to a resin reinforced with carbon fiber, glass fiber, metal fiber, inorganic fiber, etc., only the resin can be removed without damaging the fibers.
（発明の実施例） 以下１本発明を実施例により説明する。(Example of the invention) The present invention will be explained below with reference to examples.
実施例１
炭素繊維強化エポキシ樹脂の平滑な面に、垂直な方向か
らＫｒＦエキシマ−レーザーをフルエンス７２０＋＊Ｊ
／ ｄでｌＯショット照射させ、エポキシ樹脂のみを選
択的に除去できた。照射部位の電子顕微鏡写真の観察に
より、炭素繊維には損傷なく、樹脂のみが除去されてい
ることが確認された。Example 1 A KrF excimer laser was applied to the smooth surface of carbon fiber reinforced epoxy resin from a perpendicular direction at a fluence of 720+*J.
/d by 1O shot irradiation, and only the epoxy resin could be selectively removed. Observation of electron micrographs of the irradiated area confirmed that the carbon fibers were not damaged and only the resin was removed.
実施例２
炭素繊維強化エポキシ樹脂の平滑な面に、垂直な方向か
らＫｒＦエキシマ−レーザーをフルエンス７２０ｍＪ／
ｃｙｌで５０シヨツト照射させ、エポキシ樹脂のみを
選択的に除去できた。照射部位の電子顕微鏡゛写′真の
観察により、炭素繊維には損傷なく、樹脂のみが除去さ
れていることが判明した。実施例１に比べ、さらに多く
の繊維を露出させることが可能である。Example 2 A KrF excimer laser was applied to the smooth surface of carbon fiber reinforced epoxy resin from a perpendicular direction at a fluence of 720 mJ/
By irradiating 50 shots with cyl, only the epoxy resin could be selectively removed. Observation of electron micrographs of the irradiated area revealed that the carbon fibers were not damaged and only the resin was removed. Compared to Example 1, more fibers can be exposed.
Claims (2)
特徴とする合成樹脂表面の改質方法。(1) A method for modifying the surface of a synthetic resin, which comprises irradiating the surface of the synthetic resin with an ultraviolet laser.
方法。(2) The modification method according to claim 1, wherein the synthetic resin is a fiber-reinforced resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31237488A JPH02158632A (en) | 1988-12-09 | 1988-12-09 | Modification of surface of synthetic resin by ultraviolet laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31237488A JPH02158632A (en) | 1988-12-09 | 1988-12-09 | Modification of surface of synthetic resin by ultraviolet laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02158632A true JPH02158632A (en) | 1990-06-19 |
Family
ID=18028484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31237488A Pending JPH02158632A (en) | 1988-12-09 | 1988-12-09 | Modification of surface of synthetic resin by ultraviolet laser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02158632A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04161332A (en) * | 1990-10-26 | 1992-06-04 | Hitachi Chem Co Ltd | Manufacture of multi-layered sheet |
| FR2670021A1 (en) * | 1990-12-04 | 1992-06-05 | Thomson Csf | PROCESS FOR PRODUCING MICROLENTILES FOR OPTICAL APPLICATIONS. |
| JPH05177129A (en) * | 1991-04-25 | 1993-07-20 | Abb Patent Gmbh | Method for surface treatment |
| JP2013253132A (en) * | 2012-06-05 | 2013-12-19 | Olympus Corp | Method of surface-treating aromatic polyether ketone resin-processed product, and the aromatic polyether ketone resin-processed product |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560291A (en) * | 1964-03-27 | 1971-02-02 | Mobil Oil Corp | Bonding thermoplastic resin films by means of radiation from a laser source |
| JPS60226534A (en) * | 1984-04-24 | 1985-11-11 | Shin Etsu Chem Co Ltd | Surface-modified synthetic resin molded article |
| JPS60245643A (en) * | 1984-05-21 | 1985-12-05 | Shin Etsu Chem Co Ltd | Surface-modified synthetic resin molding |
-
1988
- 1988-12-09 JP JP31237488A patent/JPH02158632A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560291A (en) * | 1964-03-27 | 1971-02-02 | Mobil Oil Corp | Bonding thermoplastic resin films by means of radiation from a laser source |
| JPS60226534A (en) * | 1984-04-24 | 1985-11-11 | Shin Etsu Chem Co Ltd | Surface-modified synthetic resin molded article |
| JPS60245643A (en) * | 1984-05-21 | 1985-12-05 | Shin Etsu Chem Co Ltd | Surface-modified synthetic resin molding |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04161332A (en) * | 1990-10-26 | 1992-06-04 | Hitachi Chem Co Ltd | Manufacture of multi-layered sheet |
| FR2670021A1 (en) * | 1990-12-04 | 1992-06-05 | Thomson Csf | PROCESS FOR PRODUCING MICROLENTILES FOR OPTICAL APPLICATIONS. |
| US5235463A (en) * | 1990-12-04 | 1993-08-10 | Thomson-Csf | Method for the making of microlenses for optical applications |
| JPH05177129A (en) * | 1991-04-25 | 1993-07-20 | Abb Patent Gmbh | Method for surface treatment |
| JP2013253132A (en) * | 2012-06-05 | 2013-12-19 | Olympus Corp | Method of surface-treating aromatic polyether ketone resin-processed product, and the aromatic polyether ketone resin-processed product |
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