JP2008024946A - 樹脂とレーザー光線透過性着色剤とを含み、0.5〜1.2の透過率比(tレーザー透過用黒色樹脂/t自然樹脂)を有するレーザー溶着用樹脂組成物。 - Google Patents
樹脂とレーザー光線透過性着色剤とを含み、0.5〜1.2の透過率比(tレーザー透過用黒色樹脂/t自然樹脂)を有するレーザー溶着用樹脂組成物。 Download PDFInfo
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- JP2008024946A JP2008024946A JP2007228372A JP2007228372A JP2008024946A JP 2008024946 A JP2008024946 A JP 2008024946A JP 2007228372 A JP2007228372 A JP 2007228372A JP 2007228372 A JP2007228372 A JP 2007228372A JP 2008024946 A JP2008024946 A JP 2008024946A
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Classifications
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- B29C65/82—Testing the joint
- B29C65/8207—Testing the joint by mechanical methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8207—Testing the joint by mechanical methods
- B29C65/8215—Tensile tests
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8253—Testing the joint by the use of waves or particle radiation, e.g. visual examination, scanning electron microscopy, or X-rays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
- B29C66/7315—Mechanical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0032—Pigments, colouring agents or opacifiyng agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
- B29K2309/08—Glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/002—Coloured
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0022—Bright, glossy or shiny surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
- B29K2995/0027—Transparent for light outside the visible spectrum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0072—Roughness, e.g. anti-slip
- B29K2995/0073—Roughness, e.g. anti-slip smooth
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31725—Of polyamide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
【解決手段】樹脂とレーザー光線透過性着色剤とを含む、レーザー溶着用樹脂組成物であって、レーザー溶着用樹脂組成物は、レーザー光線透過性黒色着色剤を含有する状態での940nmのレーザー光に対するレーザー透過率をTレーザー透過用黒色樹脂、樹脂単独での940nmのレーザー光に対するレーザー透過率をT自然樹脂としたとき、Tレーザー透過用黒色樹脂/T自然樹脂が0.5〜1.2であり、レーザー光線透過性黒色着色剤が、アントラキノン染料またはモノアゾ錯体染料を含むことを特徴とするレーザー溶着用樹脂組成物である。
【選択図】図1(A)
Description
緑色染料:C.I.ソルベント グリーン 3、20、22、23、26、28、29
青色染料:C.I.ソルベント ブルー 11、13、14、35、36、59、63、69、94、132
C.I.バット ブルー 4、6、14
紫色染料:C.I.ソルベント バイオレット 12、13、14、31、34
赤色染料:C.I.ソルベント レッド 52、111、114、152、155
黄色染料:C.I.ソルベント イエロー 163
C.I.バット イエロー 1、2、3
前述のモノアゾ錯体染料の構造を変えることによって、黄色、赤色、青色、紫色、および黒色のような様々な色を示すことができ、それらは単独でまたは2種以上の染料の組合せで使用することができる。前述のモノアゾ錯体染料は高い耐熱性と耐光性とを有し、熱可塑性樹脂の成形性および色調は優れている。例えば、次式(a)で表されるモノアゾ錯体染料は、A−N=N−Bモノアゾ染料の金属化を行うことによって得られる。A−N=N−Bモノアゾ染料は、A構成成分についてジアゾ化を行い、B構成成分にカップリングすることによって得られる化合物である。ピラゾロン誘導体またはアセトアセトアニリド誘導体がB構成成分として使用される場合、黄−赤色モノアゾ錯体染料が得られ、ナフトール誘導体がB構成成分として使用される場合、青−黒色モノアゾ錯体染料が得られる。B構成成分としてナフトールを使用するモノアゾ錯体染料は、YAGレーザー近くで高い透過性を示す。言い換えれば、近YAGレーザーの全域(1000〜1200nm)で優れた透過を有する黒色着色剤は、前述のモノアゾ錯体染料を単独で使用することによって、または800〜1200nmの範囲で良好な透過を有するが、より短い波長で吸収ピークを持った少なくとも1種の染料とそれを混合することによって得ることができる。しかし、各染料の組み入れ比率は、染料の色調、利用される樹脂および利用される濃度(または樹脂の厚さ)に基づいておおよそ調節される。
黒色染料:C.I.ソルベント ブラック 21、22、23、27、28、29、31
C.I.アシッド ブラック 52、60、99
青色染料:C.I.アシッド ブルー 167
紫色染料:C.I.ソルベント バイオレット 21
赤色染料:C.I.ソルベント レッド 8、83、84、121、132
C.I.アシッド レッド 215、296
橙色染料:C.I.ソルベント オレンジ 37、40、44、45
C.I.アシッド オレンジ 76
黄色染料:C.I.ソルベント イエロー 21、61、81
C.I.アシッド イエロー 59、151
ペリノン染料は、優れた熱安定性を有する、かつまた、熱可塑性樹脂に対して優れた加工性と色調とを有する耐久性のある染料である。良好な耐久性を有する赤色染料は非常に少ないので、赤色を示す染料は特に有用である。
紫色染料:C.I.ソルベント バイオレット 29
赤色染料:C.I.ソルベント レッド 135、162、178、179
C.I.バット レッド 7
橙色染料:C.I.ソルベント オレンジ 90、78
C.I.バット オレンジ 15
前述のペリノン染料および顔料の中で、好ましい染料は、熱可塑性樹脂中でのそれらの溶解性および分散性を考慮して認定される。例えば、様々な実施例で議論されるように粉末形態の染料と樹脂(ペレット)とがミキサー中で混合され、次にかかる混合物が射出成形されて試験片が作製される場合、染料が樹脂中に十分に溶解されおよび分散されるのを観察することができた。
特に、Caは5000ppmより少ない、より好ましくは3000ppmより少ないことが好ましい。
本実施例ならびに次の実施例2〜5および9〜12では、非強化ナイロン6(ZYTEL(登録商標)7301の製品名でE.I.du Pont de Nemours and Co.から入手可能)を、真空乾燥オーブンを用いて120℃で8時間より長く乾燥した。次に各実施例で特定した具体的な配合に従って材料を配分して秤り取った。上に言及した実施例のそれぞれの配合物を、ステンレススチールタンブラー中で1時間それぞれ攪拌して混合した。
ナイロン6…400g
次式(1)のモノアゾ錯体黒色染料(レーザー透過用の黒色着色剤)…0.80g
次の配合物を使用した。
ナイロン6…400g
モノアゾ錯体黒色染料…0.80g
この場合選択した錯体染料は、重量比として1:1の次式(2)の黒色染料と次式(3)の黒色染料とを有するレーザー透過用の混合黒色着色剤であった。
次の配合物を使用した。
ナイロン6…400g
モノアゾ錯体黒色染料…0.80g
本実施例では選択した錯体染料は、重量比として1:1の次式(4)の黒色染料と次式(5)の橙色染料とを有するレーザー透過用の混合黒色着色剤であった。
本実施例ならびに実施例7および13では、非強化ポリエチレンテレフタレート(PET)(テレフタル酸とエチレングリコールとから調製した、1/1の重量比のフェノールとジクロロベンゼンとの混合液中の1%溶液として25℃で測定した時にその固有粘度が0.85である)を、真空乾燥オーブンを用いて140℃で3時間より長く乾燥した。次にかかる各実施例で特定した具体的な配合に従って材料を配分して秤り取った。それぞれの配合生成物を、ステンレススチールタンブラー中で1時間攪拌して混合した。
PET…400g
式(1)のモノアゾ錯体染料…0.53g
次式(11)のモノアゾ錯体赤色染料…0.18g
次式(12)のモノアゾ錯体橙色染料…0.09g
次の配合物を使用した。
PET…400g
式(6)のアントラキノン青色染料…0.40g
式(7)のペリノン赤色染料…0.24g
式(8)のアントラキノン黄色染料…0.16g
(実施例8)
本実施例および実施例14では、非強化ポリブチレンテレフタレート(PBT)(テレフタル酸と1,4−ブタンジオールとから調製した、1/1の重量比のフェノールとジクロロベンゼンとの混合液中の1%溶液として25℃で測定した時にその固有粘度が1.0である)を、真空乾燥オーブンを用いて140℃で3時間より長く乾燥した。次にかかる各実施例で特定した具体的な配合に従って材料を配分して秤り取った。それぞれの配合生成物を、ステンレススチールタンブラー中で1時間攪拌して混合した。
PBT…400g
式(6)のアントラキノン青色染料…0.40g
式(7)のペリノン赤色染料…0.24g
式(8)のアントラキノン黄色染料…0.16g
次に川口鉄鋼株式会社製のK50−Cを用いて混合物を射出成形して射出成形試験片(そのサイズは48mm×86mm×3mmである)を形成し、シリンダー温度を260℃に設定した。金型温度は60℃であった。試験片の色むらのない、良好な一様に黒色の外観と表面光沢とを観察した。
(1)透過率の測定
UV−可視−近赤外域用の60φ積分玉−セットを分光光度計(株式会社日立製作所の製品、U−3410モデル)中に置き、試験片をセットして波長範囲
λ=400〜1200nmで透過率Tを測定した。
TA=T940nm/T1064nm
TB=T940nm/T自然樹脂
TC=T1064nm/T自然樹脂
(2)外観試験および評価
外観については、二重透過−反射強度メーター(McBase Co.の製品、商品名:TR−927)を用いて試験片の屈折率(OD値)を測定した。より高いOD値を有する試験板は、より良好な表面滑らかさとより高い光沢とを有すると判定する。
次の配合物を使用した。
ナイロン6…400g
カーボンブラック(三菱化学株式会社の製品、製品名:#960)…0.80g
本実施例および次の実施例10〜12では、混転操作の後、混合物を250℃で溶融して混合し、Bent型押出機(製品名E30SVでEnpler Industry Co.から商業的に入手可能)を用いて、正規の長さ(2〜3mm)でカットすることによって黒色ペレットにし、ペレットを乾燥機中80℃で3時間乾燥した。
次の配合物を使用した。
ナイロン6…400g
ニグロシン型染料(Orient Chemical Industries,LTD.、製品名:ニグロシンベースSAP)…0.80g
(実施例11)
次の配合物を使用した。
ナイロン6…400g
カーボンブラック(三菱化学株式会社の製品、製品名:#960)…0.60g
ニグロシン型染料(Orient Chemical Industries,LTD.の製品、製品名:ニグロシンベースEX)…0.20g
(実施例12)
次の配合物を使用した。
ナイロン6…400g
カーボンブラック(三菱化学株式会社の製品、製品名:#960)…0.08g
ニグロシン型染料(Orient Chemical Industries,LTD.の製品、製品名:ニグロシンベースEX)…0.48g
アニリンブラック(野間化学株式会社の製品、製品名:ダイヤモンドブラックS)…0.24g
(実施例13)
次の配合物を使用した。
PET…400g
カーボンブラック(三菱化学株式会社の製品、製品名:#960)…0.80g
本実施例では、混転操作の後、混合物を280℃で溶融して混合し、Bent型押出機(製品名E30SVでEnpler Industry Co.から商業的に入手可能)を用いて、正規の長さ(2〜3mm)でカットすることによって黒色ペレットにし、ペレットを乾燥機中140℃で3時間乾燥した。
次の配合物を使用した。
PET 400g
カーボンブラック(三菱化学株式会の製品、製品名:#960) 0.80g
本実施例では、混転操作の後、混合物を270℃で溶融して混合し、Bent型押出機(製品名E30SVでEnpler Industry Co.から商業的に入手可能)を用いて、正規の長さ(2〜3mm)でカットすることによって黒色ペレットにし、ペレットを乾燥機中140℃で3時間乾燥した。
YAGレーザー条件:
Nd:YAGレーザー(Olion510、1064nm、連続的)を4W出力で3mm直径の試験片上へ3秒間照射した。
ダイオードレーザー条件:
ダイオードレーザー(SDL−FD25、820nm、連続的)を4W出力で3mm直径の試験片上へ10秒間照射した。
非強化ナイロン66(Zytel(登録商標)101、E.I.du Pont de Nemours and Co.から入手可能)ならびに染料および顔料を、表IV−1およびIV−2に記載した量で乾式ブレンドした。シリンダー温度を270℃に設定し、金型温度を65℃に設定した射出成形機(K50−C、川口鉄鋼株式会社の製品)を用いて、ブレンドした材料を図2Aに例示した寸法のレーザー溶接用の試験片に成形した。この成形試験板の2−mm厚さの面を用い、分光光度計(株式会社日立製作所の製品、U−3410モデル)を用いて940nmでの光透過率を測定した。図2Bに例示したように組み合わせた2片の試験片を用いてレーサー溶接を実施した。各24から28の実施例、比較例29、30から31の実施例、および32から35の比較例を下部試験片として使用し、比較例36を上部試験片として使用した。ダイオードレーザー(波長940nm、Rofin−Sinar Laser GmbH製)を80Wのレーザーパワーおよび1m/分の速度で照射した。溶接した試験片を目視検査し、試験片の端から端まで一様な接合が形成された場合にOKと判定し、2つの試験片が接合せずに壊れた場合、試験片の端から端まで接合が一様な形成されなかった場合、または透明な部品の表面が焦げて損傷した場合にNGと判定した。
非強化ナイロン66(Zytel(登録商標)103FHS、E.I.du Pont de Nemours and Co.から入手可能)ならびに染料および顔料を、表IVに記載した量で湿式ブレンドした。シリンダー温度を270℃に設定し、金型温度を65℃に設定した射出成形機(住友重機75T)を用いて、ブレンドした材料を図1Aに例示した寸法のレーザー溶接用の試験片に成形した。図1Bに例示するように組み合わせた2片の試験片を使用してレーザー溶接を実施した。37から49の各実施例を下部試験片として使用し、比較例50を上部試験片として使用した。ダイオードレーザー(波長940nm、Rofin−Sinar Laser GmbH製)を120Wのレーザーパワーおよび様々な速度で照射した。溶接した試験片の引張強度を、Autograph(島津製作所製)で5mm/分で引き離すことによって測定し、その最大負荷を記録した。レーザー溶接強度が70より大きい場合、工業的溶接で使用できると考えられる。
Claims (6)
- 樹脂とレーザー光線透過性着色剤とを含む、レーザー溶着用樹脂組成物であって、
前記レーザー溶着用樹脂組成物は、前記レーザー光線透過性黒色着色剤を含有する状態での940nmのレーザー光に対するレーザー透過率をTレーザー透過用黒色樹脂、樹脂単独での940nmのレーザー光に対するレーザー透過率をT自然樹脂としたとき、Tレーザー透過用黒色樹脂/T自然樹脂が0.5〜1.2であり、
前記レーザー光線透過性黒色着色剤が、アントラキノン染料またはモノアゾ錯体染料を含むことを特徴とするレーザー溶着用樹脂組成物。 - 樹脂とレーザー光線透過性着色剤とを含む、レーザー溶着用樹脂組成物であって、
前記レーザー溶着用樹脂組成物は、前記レーザー光線透過性黒色着色剤を含有する状態での1064nmのレーザー光に対するレーザー透過率をTレーザー透過用黒色樹脂、樹脂単独での1064nmのレーザー光に対するレーザー透過率をT自然樹脂としたとき、Tレーザー透過用黒色樹脂/T自然樹脂が0.5〜1.2であり、
前記レーザー光線透過性黒色着色剤が、アントラキノン染料またはモノアゾ錯体染料を含むことを特徴とするレーザー溶着用樹脂組成物。 - 前記レーザー光線透過性黒色着色剤が、青色染料または緑色染料と、赤色染料と、黄色染料とのブレンドであることを特徴とする請求項1または2のいずれかに記載の組成物。
- 前記レーザー光線透過性黒色着色剤が、アントラキノン染料の青色染料または緑色染料と、ペリノンの赤色染料と、黄色染料とのブレンドであることを特徴とする請求項1または2に記載の組成物。
- 700nm未満の波長の可視光線を吸収し、かつ800nmから1200nmの範囲の波長のレーザー光線を透過するレーザー光線透過性黒色着色剤を含むレーザー光線透過性樹脂部品と、レーザー光線吸収性黒色着色剤を含むレーザー光線吸収性樹脂部品との接合部を、前記レーザー光線透過性樹脂部品を透過するように800nmから1200nmの範囲の波長のレーザービームを透過させて接合する方法であって、
前記レーザー光線透過性樹脂部品は、前記レーザー光線透過性黒色着色剤を含有する状態での940nmのレーザー光に対するレーザー透過率をTレーザー透過用黒色樹脂、樹脂単独での940nmのレーザー光に対するレーザー透過率をT自然樹脂としたとき、Tレーザー透過用黒色樹脂/T自然樹脂が0.5〜1.2であり、
前記レーザー光線透過性樹脂部品が、アントラキノン染料またはモノアゾ錯体染料を含むことを特徴とする方法。 - 700nm未満の波長の可視光線を吸収し、かつ800nmから1200nmの範囲の波長のレーザー光線を透過するレーザー光線透過性黒色着色剤を含むレーザー光線透過性樹脂部品と、レーザー光線吸収性黒色着色剤を含むレーザー光線吸収性樹脂部品との接合部を、前記レーザー光線透過性樹脂部品を透過するように800nmから1200nmの範囲の波長のレーザービームを透過させて接合する方法であって、
前記レーザー光線透過性樹脂部品は、前記レーザー光線透過性黒色着色剤を含有する状態での1064nmのレーザー光に対するレーザー透過率をTレーザー透過用黒色樹脂、樹脂単独での1064nmのレーザー光に対するレーザー透過率をT自然樹脂としたとき、Tレーザー透過用黒色樹脂/T自然樹脂が0.5〜1.2であり、
前記レーザー光線透過性樹脂部品が、アントラキノン染料またはモノアゾ錯体染料を含むことを特徴とする方法。
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- 2001-11-13 WO PCT/US2001/048323 patent/WO2002057353A2/en active Application Filing
- 2001-11-13 US US10/053,129 patent/US20030039837A1/en not_active Abandoned
- 2001-11-13 CN CNB01818779XA patent/CN1273526C/zh not_active Expired - Lifetime
- 2001-11-13 KR KR1020037006480A patent/KR100787348B1/ko not_active Expired - Lifetime
- 2001-11-13 EP EP01994238A patent/EP1334147A4/en not_active Withdrawn
- 2001-11-13 CA CA002423779A patent/CA2423779A1/en not_active Abandoned
- 2001-11-13 CN CNA2005101272466A patent/CN1827674A/zh active Pending
- 2001-11-13 JP JP2002558421A patent/JP4040463B2/ja not_active Expired - Lifetime
- 2001-11-13 AU AU2002246660A patent/AU2002246660A1/en not_active Abandoned
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2019038878A (ja) * | 2017-08-22 | 2019-03-14 | 三菱エンジニアリングプラスチックス株式会社 | レーザー溶着用樹脂組成物及びその溶着体 |
JP2019038880A (ja) * | 2017-08-22 | 2019-03-14 | 三菱エンジニアリングプラスチックス株式会社 | レーザー溶着用樹脂組成物及びその溶着体 |
JP7041423B2 (ja) | 2017-08-22 | 2022-03-24 | 三菱エンジニアリングプラスチックス株式会社 | レーザー溶着用樹脂組成物及びその溶着体 |
JP7054105B2 (ja) | 2017-08-22 | 2022-04-13 | 三菱エンジニアリングプラスチックス株式会社 | レーザー溶着用樹脂組成物及びその溶着体 |
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US20050137325A1 (en) | 2005-06-23 |
CN1827674A (zh) | 2006-09-06 |
AU2002246660A1 (en) | 2002-07-30 |
EP1334147A4 (en) | 2012-02-29 |
KR20030060930A (ko) | 2003-07-16 |
JP2004517995A (ja) | 2004-06-17 |
CA2423779A1 (en) | 2002-07-25 |
JP4734303B2 (ja) | 2011-07-27 |
US20030039837A1 (en) | 2003-02-27 |
US7456238B2 (en) | 2008-11-25 |
WO2002057353A3 (en) | 2003-01-16 |
JP4040463B2 (ja) | 2008-01-30 |
CN1273526C (zh) | 2006-09-06 |
WO2002057353A2 (en) | 2002-07-25 |
EP1334147A2 (en) | 2003-08-13 |
KR100787348B1 (ko) | 2007-12-18 |
CN1571811A (zh) | 2005-01-26 |
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