JPH11513326A - 配向高分子製品 - Google Patents
配向高分子製品Info
- Publication number
- JPH11513326A JPH11513326A JP9512343A JP51234397A JPH11513326A JP H11513326 A JPH11513326 A JP H11513326A JP 9512343 A JP9512343 A JP 9512343A JP 51234397 A JP51234397 A JP 51234397A JP H11513326 A JPH11513326 A JP H11513326A
- Authority
- JP
- Japan
- Prior art keywords
- product
- oriented
- layer
- parison
- orientation
- 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.)
- Ceased
Links
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- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 3
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- 229910052782 aluminium Inorganic materials 0.000 description 2
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
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- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Multicomponent Fibers (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Materials For Medical Uses (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.材料の結晶溶融温度より高温で結晶性または半結晶性高分子材料を含む製品 を連続的に形成および配向する方法において: −製品全体、または多層製品の一つまたはそれ以上の層、または製品の軸状ま たはらせん状ストライプ、または軸方向における製品のある一定のセグメントの 何れかを形成する前または形成後に、その高分子材料に化学的反応性物質を添加 する工程; −前記反応性物質の反応を活性化するに十分でない温度で調製された高分子材 料のパリソンを可塑化および形成する工程; −任意に、少なくとも化学的反応性物質を添加した層に剪断を引き起こし、お よび/または、未だ軟らかいパリソンを二方向の一方または両方に同時にまたは 順次伸張する工程で、前記伸張は、軸方向延伸をしてパリソンの長手方向におい て材料の熱可塑性配向の効果をもたらす、および/または径方向延伸によりパリ ソンの円周方向において材料の熱可塑性配向の効果をもたらす工程; −高分子材料が押出されている間に未だ溶融状態にある場合に、化学的反応性 物質と、それらに添加された化学的反応性物質を有する高分子材料との間の化学 反応を活性化することにより配向するために、層の中の分子移動を低減する工程 ; −化学的反応性物質が添加された、少なくとも、製品、層、ストリップ、また はセグメントに少なくとも剪断を引き起こし、および/または、未だ軟らかく少 なくとも部分的に反応したパリソンに、二方向の一方または両方で同時または順 次伸張する工程で、前記伸張は、軸方向延伸をしてパリソンの長手方向において 材料の熱可塑性配向の効果をもたらす、および/または径方向延伸によりパリソ ンの円周方向において材料の熱可塑性配向の効果をもたらす工程; −少なくとも化学反応が生じた層で配向を永久的にするために、配向した状態 でパリソンを検量および冷却する工程: を具備することを特徴とする方法。 2.請求項1において、前記化学的反応性物質は、活性化されると、前記高分子 材料と反応を引き起こし、その結果新しい分子が立体障害により溶融状態で流動 性を低減することを特徴とする方法。 3.請求項1または2において、前記化学的反応性物質は、ポリマ分子鎖の架橋 が可能な架橋剤を含有することを特徴とする方法。 4.請求項1〜3の何れかにおいて、永久的に配向性状態の材料を得るのに必要 な反応は、最初の熱可塑性樹脂配向後、添加される熱または放射線により活性化 されることを特徴とする方法。 5.請求項1〜4の何れかにおいて、分子鎖の移動が、無機または有機のフレー ク鉱物、または繊維、または配向中に繊維になるような材料の添加により、少な くとも、配向される層に隣接する層の一つで、または配向される層の一つで、低 減されることを特徴とする方法。 6.請求項1〜5の何れかにおいて、軸および/または径方向の延伸に必要なパ リソンの溶融強度は、配向層に混合されると配向されうるもので、微結晶を配向 する核剤と同様に作用する、繊維またはフレーク状鉱物などの有機および/また は無機充填剤を、製品の一部、またはそれより多くの部分に添加することにより 改善されることを特徴とする方法。 7.請求項1〜6の何れかにおいて、少なくとも配向される層に隣接する層また は配向される各層に、繊維および/または鉱物が添加されており、これらは誘電 加熱に感応し、この加熱はこの反応の活性化のために反応性物質を含む層で温度 を急速に上昇するために用いられることを特徴とする方法。 8.請求項1〜7の何れかにおいて、少なくとも配向されない層に有機および/ または無機繊維またはフレーク形鉱物が10〜50重量%まで添加され、および /または前記層は、プロセス中に、延伸中と同一の架橋方法でまたは別の方法で さらに架橋され、その後、添加ゲル含有量が80%までとなる最終寸法に達する ことを特徴とする方法。 9.請求項1〜8の何れかにおいて、パリソンは、分子鎖が構成され実質的に配 列されるために熱可塑性状態で最初に伸張され、その後、反応段階中/後に再び 伸張され、少なくとも軸方向のこの延伸の合計は、0から600%の範囲である ことを特徴とする方法。 10.請求項1〜9の何れかにおいて、前記製品は二方向に配向され、前記パリ ソンは壁厚と直径の間の関係が2:100より大きいチューブ状部材に押し出さ れ、軸方向および円周方向の配向は、製品の同一または異なる層にあることを特 徴とする方法。 11.請求項1〜10の何れかにおいて、前記チューブ状部材は、押出装置内で の第一の配向後、チューブ状部材の流体圧力の差を維持することで促進される、 自由な軸方向および/または径方向に延伸されることを特徴とする方法。 12.請求項1〜11の何れかにおいて、前記製品はブロー成形され、ダイセッ トを離れた後、パリソンはキャビティ中にブローされ、内圧を押出機を通じてキ ャビティ中に送り込まれることによってさらに伸張されることを特徴とする方法 。 13.請求項1〜10の何れかにおいて、前記製品は射出成形されることを特徴 とする方法。 14.請求項1〜11の何れかにおいて、前記パリソンは、さらに架橋されてい る間に、成形型に押しつけられ、この金型は前記部材と共に移動が可能であり、 且つ前記成形型は材料を架橋温度で保持するように加熱されていることを特徴と する方法。 15.請求項1〜11の何れかにおいて、前記パリソンは、連続的にまたは徐々 に拡大するマンドレル上で当該パリソンを引っ張ることにより、径方向延伸され ることを特徴とする方法。 16.請求項1〜11および15の何れかにおいて、前記パリソンは、加熱また は冷却されるジャケットに囲まれ、前記パリソンの材料は前記マンドレルおよび 前記ジャケットにより画成されるダイキャビティを通して押し出し圧力で押し出 され、前記材料は、ダイキャビティ中で径方向に配向され、軸方向延伸は、ある 場合には、前記ダイキャビティを出る伸ばされた押出物に加えられることを特徴 とする方法。 17.請求項1〜11、15および16の何れかにおいて、前記パリソンは、内 部冷却マンドレルを有するダイセット内で内面的に冷却され、前記内部冷却マン ドレルは、前記延伸マンドレルと同一の直径を有し、前記ダイセットから外へ延 設されてもよいことを特徴とする方法。 18.請求項1〜11、および15〜17の何れかにおいて、分子鎖の移動が低 減され、そのためダイ膨張が、ダイセットから出て、サイジングスリーブに入る 前の水スプレーまたは空気流による即時の僅かな冷却によって、低減されること を特徴とする方法。 19.請求項1〜18の何れかにおいて、前記製品が架橋され配向される範囲は 、製品が最終的な寸法に到達する点に対する冷却の開始点を選択することにより 、例えば、請求項15のジャケットおよびマンドレルに結合された冷却媒体回路 を閉じるまたは活性化することにより、部分的に制御することを特徴とする方法 。 20.請求項1〜19の何れかにおいて、架橋されるプラスチック材料は、30 ,000〜1,000,000g/molの範囲の平均分子量(Mw)を有する 高メルトフローインデックスオレフィンポリマまたはコポリマ、および600, 000g/molより大きい分子量を有する低メルトフローインデックスオレフ ィンポリマまたは(コ)ポリマを含み、粘度の差が少なくとも10倍であるポリ オレフィン組成物であることを特徴とする方法。 21.配向結晶性または半結晶性熱可塑性高分子製品の製造方法において: (i)結晶または半結晶熱可塑性高分子材料を、その結晶融点またはそれを越 える温度まで加熱する工程; (ii)結晶融点またはそれを越える温度で、ポリマ材料を製品に形成する工程 ; (iii)中空チューブ状製品の形成の間またはその後にポリマ材料に剪断力お よび/または伸張の何れかをかけて軸方向および/またはそれに交差する方向に 配向させる工程; (iv)製品の形成前、形成中、または形成後の何れかで、配向前、配向の間、 または配向後の何れかであるが配向の実質的な緩和が生じる前の何れかにポリマ 材料を架橋剤またはグラフト剤と反応させて、ポリマ鎖移動の立体障害を増大す る工程; を具備し、その結果得られた製品は、少なくとも一つの配向方向において、同一 のポリマ材料から形成される非配向製品より強い引張強度を有することを特徴と する方法。 22.請求項21において、前記製品は、長尺中空製品であることを特徴とする 方法。 23.請求項21または22において、前記製品は押出成形された中空チューブ 状製品であることを特徴とする方法。 24.請求項21〜23の何れかにおいて、高分子材料は、押出機内で、架橋剤 またはグラフト化剤と混合されることを特徴とする方法。 25.請求項21〜24の何れかにおいて、前記製品は、0.8mm、好ましく は2mmより厚い壁を有することを特徴とする方法。 26.請求項21〜25の何れかにおいて、配向は、軸方向および円周方向の両 方でなされることを特徴とする方法。 27.請求項21〜26の何れかにおいて、第一段階で前記熱可塑性結晶性高分 子材料が架橋剤またはグラフト化剤と反応され、次いで、第二段階で、剪断力を 受けておよび/または伸張されて材料の配向が生じることを特徴とする方法。 28.請求項21〜26の何れかにおいて、結晶性熱可塑性高分子材料は、第一 段階で剪断力を受けおよび/または伸張されて材料の配向が生じ、次いで、第二 段階で、実質的な配向の緩和が起こる前に、架橋剤またはグラフト化剤と反応さ れることを特徴とする方法。 29.請求項21〜26の何れかにおいて、結晶性熱可塑性高分子材料は、材料 の配向を生じさせ、およびポリマ鎖移動の立体障害を増大させる架橋またはグラ フトを生じさせ、剪断力および/または伸張を、同時に受けることを特徴とする 方法。 30.請求項21〜29の何れかにおいて、結晶性熱可塑性高分子材料は、円周 方向に材料の配向を果たすために径方向に延伸されることを特徴とする方法。 31.請求項27または28において、結晶体熱可塑性高分子材料は、押出機ま たは押出機ダイの中で、架橋剤またはグラフト剤と反応され、押出物がダイを離 れた時点での高分子材料の架橋度が少なくとも2%であることを特徴とする方 法。 32.配向結晶性または半結晶性熱可塑性高分子製品を具備する多層チューブ状 製品の製造方法であって、 第一の材料のシートを軸方向に折りまたはらせん状に巻き付けることにより第 一の材料をチューブ状形態に形成し、その後、結晶性または半結晶性高分子材料 からなる単一または多層の第二の内側パリソンを、円すい状成形型を用いて付勢 して当該ポリマ材料を結晶融点でまたはそれ以上の温度で前記第一の外側パリソ ンの内面に接触させることにより、第一の外側パリソンをライニングし、一方、 同時に前記高分子材料を配向することを特徴とする方法。 33.請求項32において、前記内側のパリソンの外側層は、粘性プラスチック 材料、好ましくは、発泡剤を有するグラフトPEから形成され、この外表面層は 、少なくとも内側パリソンの配向内側層が室温でその直径に収縮する際、発泡外 表面層が、前記外側パリソンの内側表面と前記内側層の外表面との間に形成され るキャビティを満たすような程度に発泡させることを特徴とする方法。 34.請求項32または33において、前記発泡外側層は、さらに、一つまたは それ以上のフィラーを有し、その結果、前記発泡層のモジュラスは、前記内側パ リソンの前記内側層が圧力を受けた際に、前記内側層が前記発泡外側層を介して 前記外側パリソンによって支持されることを特徴とする方法。 35.請求項32〜34の何れかにおいて、前記第一の材料は、金属シートまた はストリップから構成されることを特徴とする方法。 36.請求項32〜35の何れかにおいて、前記高分子材料は、前記第一のパリ ソン内に接触して押し出され、前記第一のパリソンは押出速度より高速で搬送さ れ、その結果、前記第一のパリソンと接触した高分子材料は軸方向延伸および配 向をうけることを特徴とする方法。 37.請求項21〜36の何れかにおいて、請求項1〜20の特長の何れをも組 み込んだことを特徴とする方法。 38.結晶性または半結晶性高分子材料からなる製品において、 少なくとも前記製品の一部が、架橋され、または立体障害を形成するグラフト された側鎖または末端基を有し、室温で永久的に配向され、前記製品は、同一の 高分子材料から形成される非配向製品の引張強度より大きい、単一または複数の 配向方向の引張強度を有することを特徴とする製品。 39.請求項38において、中空の長尺製品であることを特徴とする製品。 40.請求項38または39において、前記部分が、前記製品の軸に沿った、一 つまたはそれ以上の好ましくは円すい形状のストリップで形成されることを特徴 とする製品。 41.請求項38において、前記部分は、前記製品の軸の周囲に同軸層を形成す ることを特徴とする製品。 42.請求項39において、異なる方法で架橋され且つ異なる配向度を示す、少 なくとも二つの層を有する壁を具備することを特徴とする製品。 43.請求項38〜42の何れかにおいて、前記製品は、壁厚と平均直径との間 の関係が1:100より大きい、好ましくは2:100より大きい、中空幾何学 断面を形成することを特徴とする製品。 44.請求項38〜43の何れかにおいて、それは少なくとも12Mpa、好ま しくは16Mpaの静水学的設計基準に等しい室温での耐圧性を有するポリエチ レンから製造された、配向架橋構造層を具備することを特徴とする製品。 45.請求項38〜44の何れかにおいて、配向され架橋された単一または複数 の部分が、前記製品体積の半分より多くを構成することを特徴とする製品。 46.請求項44において、前記製品は、実質的に無配向のプラスチック材料の 外側スキン層を有し、前記スキン層の厚さが0.01〜3mmで高透過性を有す ることを特徴とする製品。 47.請求項44または46において、前記製品は、実質的に無配向のプラスチ ック材料の内側スキン層を有し、前記スキン層は、0.01〜10mmの厚さを 有し、および配向および架橋された層のそれらとは異なるバリアー性を有し、好 ましくは化学反応、例えば、製品の他層の架橋で生成される二次生成物に対して 不透過性であることを特徴とする製品。 48.請求項38〜47の何れかにおいて、単一または複数の前記非配向部、お よび単一または複数の前記配向部が、同一の高分子材料から製造されることを特 徴とする製品。 49.請求項38〜48の何れかにおいて、単一または複数の配向および架橋さ れた部分の前記プラスチック材料は、30,000〜1,000,000の範囲 の平均分子量(Mw)を有するオレフィンポリマまたは(コ)ポリマ、および6 00,000g/molより大きい分子量を有するオレフィンポリマまたは(コ )ポリマをからなるポリオレフィン組成物から構成されることを特徴とする製品 。 50.請求項38〜49の何れかにおいて、前記製品の少なくとも一つの部分は 、同様に配向された不連続の繊維またはフレークを含むことを特徴とする製品。 51.請求項38〜50の何れかにおいて、前記製品は、多層二軸配向製品であ り、前記製品の少なくとも一つの層中に、前記高分子材料がらせん状に配向しま たは前記中空製品中に強化ネット状構造を直接形成する、交差配向領域を有する ことを特徴とする製品。 52.請求項51において、前記交差配向領域は、配向液晶プラスチック、およ び/または架橋配向した繊維様ポリエチレン分子鎖を具備することを特徴とする 製品。 53.請求項38〜52の何れかにおいて、その結晶融点を超える温度に加熱さ れる場合、その延伸比から予測されるより低く収縮することを特徴とする製品。 54.請求項38〜53の何れかにおいて、前記配向層の前記密度は、その非配 向状態の前記層の密度より高いことを特徴とする製品。 55.請求項38〜54の何れかにおいて、パイプを具備し、少なくとも一つの 前記層は、発泡され、および好ましくは架橋されていることを特徴とする製品。 56.請求項38〜55の何れかにおいて、それはさらに金属層を具備すること を特徴とする製品。 57.請求項56において、前記金属層は、金属シートまたはストリップを折り 曲げてまたは巻き付けることによって形成されるパイプまたはチューブから構成 されることを特徴とする製品。 58.請求項56または57において、それは配向高分子材料の内部層を具備す ることを特徴とする製品。 59.請求項56〜58の何れかにおいて、それは外側金属層、中間発泡粘性層 、および内側配向高分子層を具備することを特徴とする製品。 60.請求項38〜55の何れかにおいて、それは架橋配向パイプベンドを構成 することを特徴とする製品。 61.請求項38〜59の何れかにおいて、それは配向した厚肉壁内側層、発泡 中間層、および保護外側層を有する多層パイプから構成されることを特徴とする 製品。 62.請求項61において、前記発泡密度は、500kg/m3より低く、且つ 外側層の環状剛性は、内側層のそれより低いことを特徴とする製品。 63.金属製のシート、ストリップ、またはコイル、および一つまたはそれより 多い層に配置された高分子材料を具備する複合製品であって、前記製品は、改善 された強度特性を有し、前記高分子材料の少なくとも一部が、架橋され且つ室温 で永久に配向されたものであることを特徴とする製品。 64.請求項63において、前記製品が中空製品であり、前記高分子材料層の環 状剛性が前記金属層の環状剛性より十分に高く、その結果、中空製品が変形され および変形応力が除去される際、当該中空製品は少なくとも部分的に弾性的にそ の元の形に再生することを特徴とする複合製品。 65.請求項63または64において、前記製品が中空製品であり、前記金属層 の外表面には、断熱および機械的保護の両方を提供する、厚さが1〜100mm 発泡高分子材料の層が設けられていることを特徴とする複合製品。 66.請求項63〜65の何れかにおいて、前記製品は、電気溶融パイプフィッ ティングであり、前記金属製のシート、ストリップ、またはコイルが電気溶融加 熱素子を構成し、前記フィッティングが、配向され架橋された高分子材料から構 成される本体を具備することを特徴とする複合製品。 67.請求項63〜66の何れかにおいて、請求項38〜62の特長の何れも有 することを特徴とする複合製品。 68.高分子材料からなる配向された押出物を製造するための押出装置であって 、 a)少なくとも一種の前記ポリマ材料の溶融体または部分的溶融体、および化 学的反応性物質を供給し、その吐出口を通して圧力下で前記溶融体を送る可塑化 押出手段; b)前記押し出し手段の前記吐出口と連通する入口開口、流体キャビティ、吐 出オリフィスを有する伸張流動パターン形成キャビティ手段であって、前記流体 キャビティおよび前記吐出オリフィスの相対的大きさが、前記押出手段から前記 キャビティ手段を通って流れる溶融ポリマ材の中に、前記溶融ポリマ材料内に少 なくとも流れ方向に交差する方向に分子配向を引き起こす伸張流動パターンを作 り出すようになっているキャビティ手段; c)それを貫通して延びるオリフィスを具備する配向保持押出ダイ手段であっ て、前記ダイオリフィスは入口端および出口端を有し、前記ダイオリフィスの前 記入口端の中に開口する前記キャビティ手段の前記吐出オリフィスが前記キャビ ティ手段からの前記配向溶融ポリマ材料の前記ダイ手段への流れを許容し、前記 吐出オリフィスは前記ダイオリフィスの断面積の0.9〜2.0倍の範囲の断面 積を有する前記ダイ手段; d)前記押し出し機、および少なくとも前記キャビティ手段の第1の部分で、 前記流動溶融ポリマ材料の温度を前記化学的反応物質の反応温度以下に維持し、 且つ少なくとも前記キャビティ手段の第2の部分、および/または前記ダイオリ フィスの前記入口端での前記流動溶融ポリマ材料の温度を前記反応温度を超えて 維持する温度制御手段; e)必要に応じて、ダイの中央を通る流れの方向で温度を前記ポリマ材料の一 般的な溶融温度に実質的に等しい温度まで低下する軸方向温度傾斜を前記ダイオ リフィスの中で維持することにより、前記ダイ手段の入口領域の前記ポリマ材料 の固化を抑制して、前記ダイ手段内での開始を許容する温度制御手段; e)必要に応じて、前記ダイオリフィスの前記出口端から前記ポリマ材料の押 出を制御された延伸速度で引き出すための可変速度引取手段; を具備し、配置は、前記ダイ手段の中または前記ダイオリフィスの前記出口端か ら出た後であるが、前記押出品の実質的な径方向の膨張が発生する前に、当該押 出品の固化が開始するようになっていることを特徴とする押出装置。 69.請求項68において、前記キャビティ手段は、前記流体キャビティの断面 が、前記押出機のスクリュー端から前記プラスチック材料の伸張が生じる時点ま で実質的に一定になるように固定されるマンドレルを具備することを特徴とする 押出装置。 70.請求項69において、前記マンドレルは、前記スクリューを介して、およ び/または任意に、前記高分子材料押出物の固化壁を介して前記押出機の本体に 支持されることを特徴とする押出装置。 71.請求項68〜70の何れかにおいて、流体通路は、反応温度を超える、少 なくとも加熱領域で、前記押出物に溶接ラインを形成する障害がないことを特徴 とする押出装置。 72.請求項68〜71の何れかにおいて、前記マンドレルの前記直径は、前記 押出機出口から伸張が開始される時点まで実質的に一定であり、および任意に、 その他の端部で押出物が計測器へ固化し始める時点から本質的に一定であること を特徴とする押出装置。 73.請求項68〜72の何れかにおいて、前記マンドレルは円すい状拡大部を 形成することを特徴とする押出装置。 74.請求項73において、前記外側ジャケットは、少なくとも部分的に、前記 円すい状拡大部上まで延設されていることを特徴とする押出装置。 75.請求項73または74において、前記マンドレルは、前記円すい状拡大部 を含む部分一面が加熱され、さらにその下流が冷却されることを特徴とする押出 装置。 76.請求項38〜62の何れかにおいて、請求項1〜37の何れかによる方法 を用いて製造される製品。 77.請求項1〜37の何れかにおいて、請求項68〜75の何れかの押出装置 が用いられることを特徴とする方法。 78.実質的に、添付の図面を参照しておよび/または図面に示して前述したよ うな配向プラスチック製品を製造するための装置。 79.実質的に、前述の通りの配向プラスチック製品。 80.実質的に、前述の通りの配向プラスチック製品の製造方法。
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JP2018144232A (ja) * | 2017-03-01 | 2018-09-20 | 本田技研工業株式会社 | 樹脂材可塑化装置及び樹脂材可塑化方法 |
JP2021021451A (ja) * | 2019-07-29 | 2021-02-18 | 積水化学工業株式会社 | 配管 |
JP2021021450A (ja) * | 2019-07-29 | 2021-02-18 | 積水化学工業株式会社 | 配管 |
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- 1996-06-26 CN CN96197001A patent/CN1068274C/zh not_active Expired - Fee Related
- 1996-06-26 HU HU9802340A patent/HUP9802340A3/hu unknown
- 1996-06-26 TR TR1998/00486T patent/TR199800486T2/xx unknown
- 1996-06-26 KR KR10-1998-0702087A patent/KR100429582B1/ko not_active IP Right Cessation
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- 1996-06-26 EE EE9800074A patent/EE9800074A/xx unknown
- 1996-06-26 DE DE69637791T patent/DE69637791D1/de not_active Expired - Fee Related
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- 1996-06-26 PL PL96325160A patent/PL182150B1/pl unknown
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JP2002113762A (ja) * | 2000-10-05 | 2002-04-16 | Sekisui Chem Co Ltd | ポリエチレン管の製造方法 |
JP2018144232A (ja) * | 2017-03-01 | 2018-09-20 | 本田技研工業株式会社 | 樹脂材可塑化装置及び樹脂材可塑化方法 |
JP2021021451A (ja) * | 2019-07-29 | 2021-02-18 | 積水化学工業株式会社 | 配管 |
JP2021021450A (ja) * | 2019-07-29 | 2021-02-18 | 積水化学工業株式会社 | 配管 |
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EP0851805B1 (en) | 2008-12-24 |
IL123249A0 (en) | 1998-09-24 |
ATE418437T1 (de) | 2009-01-15 |
BR9610557A (pt) | 1999-12-21 |
AU718776B2 (en) | 2000-04-20 |
TR199800486T2 (xx) | 1998-10-21 |
EA000977B1 (ru) | 2000-08-28 |
CZ78998A3 (cs) | 1998-10-14 |
WO1997010941A1 (en) | 1997-03-27 |
NZ312689A (en) | 2000-01-28 |
KR100429582B1 (ko) | 2004-09-04 |
NO981215D0 (no) | 1998-03-18 |
DE69637791D1 (de) | 2009-02-05 |
EP0851805A1 (en) | 1998-07-08 |
CN1068274C (zh) | 2001-07-11 |
CA2229842C (en) | 2007-08-28 |
AU6417496A (en) | 1997-04-09 |
IS4694A (is) | 1998-03-19 |
PL325160A1 (en) | 1998-07-06 |
US6053214A (en) | 2000-04-25 |
NO981215L (no) | 1998-05-19 |
GEP20002290B (en) | 2000-11-25 |
CA2229842A1 (en) | 1997-03-27 |
SK28498A3 (en) | 1998-11-04 |
MX9802246A (es) | 1998-10-31 |
EE9800074A (et) | 1998-10-15 |
KR19990063638A (ko) | 1999-07-26 |
BG102303A (bg) | 1999-02-26 |
CN1196697A (zh) | 1998-10-21 |
HUP9802340A2 (hu) | 1999-03-29 |
EA199800309A1 (ru) | 1998-10-29 |
HUP9802340A3 (en) | 2000-01-28 |
IL123249A (en) | 2002-07-25 |
PL182150B1 (pl) | 2001-11-30 |
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