JP2007517700A - ポリエステル組成物をレーザー溶接するための方法 - Google Patents
ポリエステル組成物をレーザー溶接するための方法 Download PDFInfo
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- JP2007517700A JP2007517700A JP2006549480A JP2006549480A JP2007517700A JP 2007517700 A JP2007517700 A JP 2007517700A JP 2006549480 A JP2006549480 A JP 2006549480A JP 2006549480 A JP2006549480 A JP 2006549480A JP 2007517700 A JP2007517700 A JP 2007517700A
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- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
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- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
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- B29C65/1654—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
- B29C65/1658—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined scanning once, e.g. contour laser welding
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
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- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
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- B29C66/128—Stepped joint cross-sections
- B29C66/1282—Stepped joint cross-sections comprising at least one overlap joint-segment
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- B29C66/128—Stepped joint cross-sections
- B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
- B29C66/12841—Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
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- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
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- 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
- B29C66/739—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 material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—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 material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract
Description
(a)熱可塑性ポリエステル約30〜約98重量パーセントと、
(b)(i)少なくとも1つの芳香族ビニル化合物から誘導された少なくとも1つのポリマーブロック(A)と少なくとも1つの共役ジエンから誘導される少なくとも1つのポリマーブロック(B)とを含むブロックコポリマー、または
(ii)(i)の部分水素化生成物であるブロックコポリマー、をエポキシ化することによって得られるエポキシ化ブロックコポリマー約2〜約30重量パーセントと、
(c)少なくとも1つの無機充填剤または補強剤0〜約50重量パーセントと
を含むポリエステル組成物から形成され、成分(a)〜(c)の上記のパーセントが前記組成物の全重量を基準にしている。
表1に示された成分を250℃の温度において二軸スクリュー押出機(ワーナー&フライダー(Werner & Pfleiderer )ZSK−40)を用いて溶融混合して樹脂組成物を生じた。押出機を出ると、ポリマーをダイを通過させてストランドを形成し、急冷タンク内で冷凍し、次いで細断してペレットを作製した。
引張強さおよび破断点伸び:ISO527−1/2
曲げ弾性率および強さ:ISO178
ノッチ付きおよびノッチなしアイゾット衝撃強さ:ISO180
ステンレス鋼40mm×23mm×8mmの直方体を射出成形用型に挿入し、表1に与えられたポリマー組成物の各々の厚さ1mmの層でピンホールゲートを通してオーバーモールドした。得られたオーバーモールドされたブロックを熱衝撃試験機内に配置し、試料を−40℃に1時間、140℃に1時間、交互に保持した。オーバーモールドされたポリマー層が割れるまで試料が耐えるサイクル数を測定し、表1に記載する。試料が250サイクル後に亀裂を示さなかった場合、試験を終え、表1に結果を「>250」として示す。
シマズ(Shimadzu)(登録商標)UV−3100スペクトロフォトメータを用いて光透過率を測定した。940nmの光源を厚さ1mmまたは2mmのどちらかの成形試料に向け、および拡散光透過率を直径120mmの積分球内で測定した。
図面、特に図1〜3を参照して、本明細書に記載されたように溶接強度を測定するために用いられた試験片11の幾何学形状が開示されている。試験片11は、70mm×18mm×3mmの寸法を有し、深さ20mmのハーフラップを一方の端部に有する略矩形の形状である。ハーフラップが接合面13および肩部15を画定する。
PBTは、本願特許出願人によって製造されたクラスティン(Crastin)(登録商標)6003、ポリ(ブチレンテレフタレート)ホモポリマーを指す。
イルガノックス(Irganox)(登録商標)1010は、ニューヨーク州、タリータウンのチバ・スペシャルティ・ケミカルズ社(Ciba Specialty Chemicals,Inc.,Tarrytown,NY)によって製造された酸化防止剤を指す。
ペンタエリトリトールテトラステアレートは、コグニス(Cognis)によって製造されたロキシオール(Loxiol)(登録商標)VPG861である。
エポフレンド(Epofriend)(登録商標)AT501は、日本、大阪のダイセル化学工業株式会社によって製造された40重量パーセントのポリスチレンを含む20重量パーセントのエポキシ化スチレン−ブタジエン−スチレンブロックコポリマーを指す。
エポフレンド(Epofriend)(登録商標)AT504は、日本、大阪のダイセル化学工業株式会社によって製造された70重量パーセントのポリスチレンを含む10重量パーセントのエポキシ化スチレン−ブタジエン−スチレンブロックコポリマーを指す。
EBAGMAは、66.75重量パーセントのエチレン、28重量パーセントのn−ブチルアクリレート、および5.25重量パーセントのグリシジルメタクリレートから製造されたエチレン/n−ブチルアクリレート/グリシジルメタクリレートターポリマーを指す。それは、ASTM方法D1238によって測定された時に12g/10分のメルトインデックスを有する。
ガラス繊維は、日本、東京の旭硝子株式会社によって製造されたアサヒ(Asahi)FT592を指す。
Claims (7)
- レーザー放射線を用いて第1のポリマー物体を第2のポリマー物体に溶接するための方法であって、前記第1のポリマー物体が前記レーザー放射線に対して比較的透明であり、前記第2の物体が前記レーザー放射線に対して比較的不透明であり、前記第1および前記第2の物体が各々、接合面を提供し、前記第1の物体が、その前記接合面の反対側に衝突面を提供し、前記方法が、(1)前記第1および第2の物体の前記接合面を物理的に接触させてそれらの間に接続部を形成する工程と、(2)前記第1および第2の物体を前記レーザー放射線で照射して前記レーザー放射線が前記衝突面に衝突し、前記第1の物体を通過して前記第2の物体の前記接合面を照射し、前記第1および第2の物体を前記接合面の前記接続部において溶接させる工程とを含み、前記第1のポリマー物体が、
(a)熱可塑性ポリエステル約30〜約98重量パーセントと、
(b)(i)少なくとも1つの芳香族ビニル化合物から誘導された少なくとも1つのポリマーブロック(A)と少なくとも1つの共役ジエンから誘導された少なくとも1つのポリマーブロック(B)とを含むブロックコポリマー、または(ii)(i)の部分水素化生成物であるブロックコポリマー、をエポキシ化することによって得られるエポキシ化ブロックコポリマー約2〜約30重量パーセントと、
(c)少なくとも1つの無機充填剤または補強剤0〜約50重量パーセントと
を含むポリエステル組成物から形成され、成分(a)〜(c)の上記のパーセントが前記組成物の全重量を基準にしていることを特徴とする方法。 - 前記熱可塑性ポリエステルがポリ(エチレンテレフタレート)(PET)、ポリ(1,4−ブチレンテレフタレート)(PBT)、ポリ(プロピレンテレフタレート)(PPT)、ポリ(1,4−シクロヘキシレンジメチレンテレフタレート)(PCT)、PET、PBT、PPT、およびPCTのうちの少なくとも2つのコポリマー、PET、PBT、PPT、およびPCTのうちの少なくとも2つの混合物、および前述の物質の任意の混合物からなる群から選択されることを特徴とする請求項1に記載の方法。
- 前記充填剤または補強剤が約5〜約50重量パーセントで存在することを特徴とする請求項1に記載の方法。
- 前記充填剤または補強剤がガラス繊維であることを特徴とする請求項1に記載の方法。
- 前記エポキシ化ブロックコポリマーが、エポキシ化スチレン−ブタジエン−スチレンブロックコポリマーであることを特徴とする請求項1に記載の方法。
- 請求項1に記載の方法によってレーザー溶接されることを特徴とする製造物品。
- 電気または電子ハウジングの形であることを特徴とする請求項6に記載の物品。
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US53482304P | 2004-01-06 | 2004-01-06 | |
PCT/US2005/000688 WO2005068162A1 (en) | 2004-01-06 | 2005-01-06 | Process for laser welding polyester compositions |
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EP (1) | EP1701835B1 (ja) |
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JP2006187875A (ja) * | 2004-12-28 | 2006-07-20 | Daicel Polymer Ltd | レーザー溶着用樹脂組成物及び成形体 |
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JP2006312303A (ja) * | 2004-10-01 | 2006-11-16 | Daicel Polymer Ltd | レーザー溶着用樹脂組成物及び複合成形体 |
US7678215B2 (en) * | 2006-07-11 | 2010-03-16 | Allied Industries International Inc. | Installation method for non-slip sanitary flooring |
JP5085928B2 (ja) * | 2006-12-22 | 2012-11-28 | ウィンテックポリマー株式会社 | レーザー溶着用樹脂組成物及び成形品 |
CN102850730B (zh) * | 2007-06-13 | 2014-10-15 | 胜技高分子株式会社 | 激光透射性树脂成形品及其复合成形品 |
US8586183B2 (en) | 2011-01-13 | 2013-11-19 | Sabic Innovative Plastics Ip B.V. | Thermoplastic compositions, method of manufacture, and uses thereof |
EP2500577B1 (de) * | 2011-03-12 | 2016-06-22 | Grundfos Management a/s | Heizungsumwälzpumpe |
PT2773354T (pt) | 2011-11-01 | 2019-07-17 | Resverlogix Corp | Formulações orais de libertação imediata para quinazolinonas substituídas |
US10836113B2 (en) * | 2015-01-22 | 2020-11-17 | Mitsubishi Engineering-Plastics Corporation | Laser welding member, and molded article |
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- 2005-01-06 JP JP2006549480A patent/JP2007517700A/ja active Pending
- 2005-01-06 CA CA002548195A patent/CA2548195A1/en not_active Abandoned
- 2005-01-06 EP EP05711327.6A patent/EP1701835B1/en active Active
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