JP2018202861A5 - - Google Patents
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- JP2018202861A5 JP2018202861A5 JP2018079918A JP2018079918A JP2018202861A5 JP 2018202861 A5 JP2018202861 A5 JP 2018202861A5 JP 2018079918 A JP2018079918 A JP 2018079918A JP 2018079918 A JP2018079918 A JP 2018079918A JP 2018202861 A5 JP2018202861 A5 JP 2018202861A5
- Authority
- JP
- Japan
- Prior art keywords
- laser
- resin member
- absorbance
- resin
- nigrosine
- 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.)
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- 229920005989 resin Polymers 0.000 claims description 51
- 239000011347 resin Substances 0.000 claims description 51
- 238000002835 absorbance Methods 0.000 claims description 32
- 229920005992 thermoplastic resin Polymers 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000001678 irradiating Effects 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- RZVHIXYEVGDQDX-UHFFFAOYSA-N Anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- -1 polyethylene terephthalate Polymers 0.000 claims 3
- 239000004952 Polyamide Substances 0.000 claims 1
- 239000004734 Polyphenylene sulfide Substances 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 claims 1
- 229920000069 poly(p-phenylene sulfide) Polymers 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 239000011528 polyamide (building material) Substances 0.000 claims 1
- 229920001707 polybutylene terephthalate Polymers 0.000 claims 1
- 229920005668 polycarbonate resin Polymers 0.000 claims 1
- 239000004431 polycarbonate resin Substances 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 238000002844 melting Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Description
前記の目的を達成するためになされた本発明のレーザー溶着体は、熱可塑性樹脂及びニグロシンを含有し０．１〜０．５の吸光度ａ１を有しているレーザー光照射側樹脂部材である第１樹脂部材と、前記熱可塑性樹脂と同種又は異種の熱可塑性樹脂を含有し０．０１〜０．０９８の吸光度ａ２を有する第２樹脂部材とが、重なっていることにより形成されている接触部位の少なくとも一部で、レーザー溶着されており、前記吸光度ａ １ と前記吸光度ａ ２ との吸光度比ａ １ ／ａ ２ が１．３〜４５であるものである。 Laser-welded product of the present invention has been made in order to achieve the object is a laser beam irradiation side resin member having an absorbance a 1 of 0.1 to 0.5 and containing a thermoplastic resin and nigrosine a first resin member, and a second resin member having an absorbance a 2 of containing the thermoplastic resin and the same or different thermoplastic resin from 0.01 to 0.098 is formed by overlapping in at least some of the contact sites are laser welded, the absorbance ratio a 1 / a 2 and the absorbance a 1 and the absorbance a 2 is from 1.3 to 45 der shall.
レーザー溶着体は、例えば、前記第１樹脂部材が前記ニグロシンの含有量を０．０１〜０．２質量％としており、前記ニグロシンの体積抵抗率が、０．５×１０ ９ 〜５．０×１０ １１ Ω・ｃｍであるものが挙げられる。 In the laser-welded body, for example, the first resin member contains 0.01 to 0.2% by mass of the nigrosine, and the volume resistivity of the nigrosine is 0.5 × 10 9 to 5.0 × What is 10 11 Ω · cm is mentioned.
レーザー溶着体は、レーザー溶着されている前記接触部位の少なくとも一部で、前記第２樹脂部材よりも前記第１樹脂部材側に広がった融着部位を有していてもよい。 The laser-welded body may have a fusion-bonded area that spreads more toward the first resin member than the second resin member at least at a part of the contact area that is laser-welded .
レーザー溶着体は、前記ニグロシンがニグロシン硫酸塩であり、前記ニグロシン硫酸塩の硫酸イオン濃度が０．３〜５質量％であってもよい。 In the laser welded body, the nigrosine may be nigrosine sulfate, and the sulfate ion concentration of the nigrosine sulfate may be 0.3 to 5% by mass .
レーザー溶着体は、前記第１樹脂部材のメルトフローレートが、１１〜３０ｇ／１０分であってもよい。 In the laser-welded body, the melt flow rate of the first resin member may be 11 to 30 g / 10 min .
レーザー溶着体は、例えば、前記吸光度ａ ２ が、０．０１〜０．０９であるものが挙げられる。 Laser welding can be, for example, the absorbance a 2 may be mentioned those that are 0.01 to 0.09.
レーザー溶着体は、前記第１樹脂部材の端部同士及び／又は前記第２樹脂部材の端部同士が隣り合って接触していることにより形成されている当接部位の少なくとも一部で、前記端部同士がレーザー溶着されていることが好ましい。 The laser welded body is at least a part of the contact portion formed by the end portions of the first resin member and / or the end portions of the second resin member being adjacent and in contact with each other. It is preferable that the ends be laser-welded .
レーザー溶着体は、例えば、前記第１樹脂部材及び／又は前記第２樹脂部材が、前記当接部位で接触した複数の樹脂部材片に分割されているものが挙げられる。 Laser welding can be, for example, the first resin member and / or said second resin member, shall have been divided and the like to a plurality of the resin piece in contact said at contact sites.
レーザー溶着体は、前記第２樹脂部材が二つの前記樹脂部材片に分割されており、それらの吸光度ａ ２−１ 及び吸光度ａ ２−２ が０．０５〜０．０９であり、前記吸光度ａ １ と前記吸光度ａ ２−１ との吸光度比ａ １ ／ａ ２−１ 、又は前記吸光度ａ １ と前記吸光度ａ ２−２ との吸光度比ａ １ ／ａ ２−２ が、１．３〜４５であるものであってもよい。 In the laser-welded body, the second resin member is divided into two pieces of the resin member, and their absorbance a 2-1 and absorbance a 2-2 are 0.05 to 0.09, and the absorbance a 1 to the absorbance ratio of the absorbance a 2-1 a 1 / a 2-1, or absorbance ratio a 1 / a 2-2 with the absorbance a 1 and the absorbance a 2-2, 1.3-45 It may be
レーザー溶着体は、前記第１樹脂部材と前記第２樹脂部材とが、それらの端部で突き合わされていることにより形成されている突合せ部位を有していることが好ましい。 Laser welding body, said first resin member and the second resin member, it is preferable that the have a butt portion is formed by being butted at their ends.
レーザー溶着体は、前記第２樹脂部材が、アントラキノンを含む着色剤及び／又はニグロシンを含有しているものであってもよい。 In the laser-welded product, the second resin member may contain a colorant containing anthraquinone and / or nigrosine .
本発明のレーザー溶着体の製造方法は、熱可塑性樹脂及びニグロシンを含有し０．１〜０．５の吸光度ａ １ を有する第１樹脂部材と、前記熱可塑性樹脂と同種又は異種の熱可塑性樹脂を含有し０．０１〜０．０９８の吸光度ａ ２ を有する第２樹脂部材とを、重ね合わせてそれらの界面に接触部位を形成し及び／又はそれらの端部を突き合わせて突合せ部位を形成し、前記接触部位及び／又は前記突合せ部位に前記第１樹脂部材側からレーザー光を照射して前記接触部位及び／又は前記突合せ部位を溶融させることにより、第１樹脂部材と第２樹脂部材とを溶着するというものである。特にニグロシンがニグロシン硫酸塩である場合、高速走査のレーザー溶着に対応できるので、高い作業効率を有する製造方法を提供できる。 Method for manufacturing a laser welded product of the present invention includes: a first resin member to have a absorbance a 1 of 0.1 to 0.5 and containing a thermoplastic resin and nigrosine, thermoplastic of the thermoplastic resin and the same or different A second resin member containing a resin and having an absorbance a 2 of 0.01 to 0.098 is superposed to form a contact site at their interface and / or their ends are butted to form a butt site A first resin member and a second resin member by melting the contact portion and / or the butt portion by irradiating the contact portion and / or the butt portion with a laser beam from the first resin member side; Welding. In particular, when nigrosine is nigrosine sulfate, it is possible to cope with high speed scanning laser welding, so that a manufacturing method having high working efficiency can be provided.
Claims (14)
前記接触部位及び／又は前記突合せ部位に前記第１樹脂部材側からレーザー光を照射して前記接触部位及び／又は前記突合せ部位を溶融させることにより、第１樹脂部材と第２樹脂部材とを溶着することを特徴とするレーザー溶着体の製造方法。 It contains a first resin member to have a absorbance a 1 of containing a thermoplastic resin and nigrosine 0.1 to 0.5, the thermoplastic resin and the same or different thermoplastic resin from 0.01 to 0.098 And a second resin member having an absorbance a2 of 2 to form a contact site at their interface and / or butting their ends to form a butt site,
The first resin member and the second resin member are welded by irradiating the contact portion and / or the butt portion with a laser beam from the first resin member side to melt the contact portion and / or the butt portion. A method of manufacturing a laser-welded body characterized by
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020106857A JP6937531B2 (en) | 2017-05-31 | 2020-06-22 | Manufacturing method of laser welded body |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017107440 | 2017-05-31 | ||
| JP2017107440 | 2017-05-31 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020106857A Division JP6937531B2 (en) | 2017-05-31 | 2020-06-22 | Manufacturing method of laser welded body |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018202861A JP2018202861A (en) | 2018-12-27 |
| JP2018202861A5 true JP2018202861A5 (en) | 2019-05-16 |
| JP6725157B2 JP6725157B2 (en) | 2020-07-15 |
Family
ID=64954915
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018079918A Active JP6725157B2 (en) | 2017-05-31 | 2018-04-18 | Laser welded body and method for manufacturing the same |
| JP2020106857A Active JP6937531B2 (en) | 2017-05-31 | 2020-06-22 | Manufacturing method of laser welded body |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020106857A Active JP6937531B2 (en) | 2017-05-31 | 2020-06-22 | Manufacturing method of laser welded body |
Country Status (1)
| Country | Link |
|---|---|
| JP (2) | JP6725157B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019088058A1 (en) * | 2017-10-31 | 2019-05-09 | 三菱エンジニアリングプラスチックス株式会社 | Laser welded body production method |
| US20230054903A1 (en) * | 2020-04-27 | 2023-02-23 | Mitsubishi Electric Corporation | Joint structure of resin members, resin housing of electrical equipment, and laser welding method |
| US11819942B2 (en) | 2020-12-10 | 2023-11-21 | Magna International Inc. | Method and apparatus for applying an active joining force during laser welding of overlapping workpieces |
| CN113478076A (en) * | 2021-06-30 | 2021-10-08 | 广东利元亨智能装备股份有限公司 | Mylar laser welding method and device |
| CN116355402A (en) * | 2021-12-28 | 2023-06-30 | 金发科技股份有限公司 | Polyamide molding composition and preparation method and application thereof |
| CN117440884A (en) * | 2022-04-22 | 2024-01-23 | 旭化成株式会社 | Molded article, welding method, and method for producing molded article |
| JP7459414B1 (en) | 2022-12-06 | 2024-04-01 | グローバルポリアセタール株式会社 | Resin composition, kit, pellet, molded product, and method for producing molded product |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3757081B2 (en) * | 1999-06-30 | 2006-03-22 | オリヱント化学工業株式会社 | Water-insoluble nigrosine and related technologies |
| JP4059907B2 (en) * | 2005-09-21 | 2008-03-12 | オリヱント化学工業株式会社 | Laser welded body |
| JP4805225B2 (en) * | 2005-09-21 | 2011-11-02 | オリヱント化学工業株式会社 | Laser welded body |
| JP2007231088A (en) * | 2006-02-28 | 2007-09-13 | Denso Corp | Light-absorbing inclusion and adhesive containing the same |
-
2018
- 2018-04-18 JP JP2018079918A patent/JP6725157B2/en active Active
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2020
- 2020-06-22 JP JP2020106857A patent/JP6937531B2/en active Active
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