JP2004124070A5 - - Google Patents
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- JP2004124070A5 JP2004124070A5 JP2003203869A JP2003203869A JP2004124070A5 JP 2004124070 A5 JP2004124070 A5 JP 2004124070A5 JP 2003203869 A JP2003203869 A JP 2003203869A JP 2003203869 A JP2003203869 A JP 2003203869A JP 2004124070 A5 JP2004124070 A5 JP 2004124070A5
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- Prior art keywords
- weight
- polymer block
- average molecular
- formula
- elastomeric
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Description
【特許請求の範囲】
【請求項１】 （イ）エラストマー性重合体ブロックの１，４結合比率をＺとしたときに下記式
【化３】
Ｍｗ × Ｚ／１０００ （３）
（式中、Ｍｗは、重量平均分子量を表す。）
の範囲が６０〜１２０であり、且つ、下記一般式
【化１】
Ａ−（Ｂ−Ａ）n （１）
及び／又は
【化２】
（Ａ−Ｂ）n （２）
（式中、Ａはビニル芳香族炭化水素由来の重合体ブロック、Ｂはエラストマー性重合体ブロックを表し、ｎは１〜５の整数を表す。）
で表される重量平均分子量（以下Ｍｗと略記する）が１５万〜２６万のブロック共重合体及び／又はその水素添加ブロック共重合体：３０〜７０重量％
（ロ）重量平均分子量３００〜２０００の炭化水素系ゴム用軟化剤：１５〜５０重量％
（ハ）オレフィン系樹脂：１０〜３５重量％
を含有する熱可塑性エラストマー組成物より製造され、縦振動での動的粘弾性測定における２０℃での損失正接が０．０５〜０．７であることを特徴とするエラストマー管状体。
【請求項２】 ビニル芳香族炭化水素が、スチレン化合物であることを特徴とする請求項１に記載のエラストマー管状体。
【請求項３】 エラストマー性重合体ブロックが、共役ジエンに由来する重合体ブロックであることを特徴とする請求項１又は２に記載のエラストマー管状体。
【請求項４】 ブロック共重合体が、ビニル芳香族炭化水素由来の重合体ブロックを１
０〜５０重量％含有するものであることを特徴とする請求項１乃至３のいずれか１項に記載のエラストマー管状体。
[Claims]
(1) When the ratio of 1,4 bonds in an elastomeric polymer block is Z, the following formula:
Embedded image
Mw × Z / 1000 (3)
(In the formula, Mw represents a weight average molecular weight.)
Is in the range of 60 to 120, and has the following general formula:
A- (BA) n (1)
And / or
(AB) n (2)
(In the formula, A represents a polymer block derived from a vinyl aromatic hydrocarbon, B represents an elastomeric polymer block, and n represents an integer of 1 to 5.)
A block copolymer having a weight average molecular weight (hereinafter abbreviated as Mw) of 150,000 to 260,000 and / or a hydrogenated block copolymer thereof: 30 to 70 % by weight
(B) Softener for hydrocarbon rubber having a weight average molecular weight of 300 to 2000: 15 to 50 % by weight
(C) Olefin resin: 10 to 35% by weight
And a loss tangent at 20 ° C. in dynamic viscoelasticity measurement by longitudinal vibration of 0.05 to 0.7, which is produced from a thermoplastic elastomer composition containing:
2. The elastomeric tubular body according to claim 1, wherein the vinyl aromatic hydrocarbon is a styrene compound.
Wherein the elastomeric polymer block, the elastomeric tubular body according to claim 1 or 2, characterized in that a polymer block derived from a conjugated diene.
4. The block copolymer comprises one polymer block derived from a vinyl aromatic hydrocarbon.
The elastomeric tubular body according to any one of claims 1 to 3 , wherein the elastomeric tubular body contains 0 to 50% by weight.
【０００７】
すなわち、本発明の要旨は、（イ）エラストマー性重合体ブロックの１，４結合比率をＺとしたときに下記式
【化３】
Ｍｗ × Ｚ／１０００ （３）
（式中、Ｍｗは、重量平均分子量を表す。）
の範囲が６０〜１２０であり、且つ、下記一般式
【化１】
Ａ−（Ｂ−Ａ）n （１）
及び／又は
【化２】
（Ａ−Ｂ）n （２）
（式中、Ａはビニル芳香族炭化水素由来の重合体ブロック、Ｂはエラストマー性重合体ブロックを表し、ｎは１〜５の整数を表す。）
で表される重量平均分子量（以下Ｍｗと略記する）が１５万〜２６万のブロック共重合体及び／又はその水素添加ブロック共重合体：３０〜７０重量％
（ロ）重量平均分子量３００〜２０００の炭化水素系ゴム用軟化剤：１５〜５０重量％
（ハ）オレフィン系樹脂：１０〜３５重量％
を含有する熱可塑性エラストマー組成物より製造され、縦振動での動的粘弾性測定における２０℃での損失正接が０．０５〜０．７であることを特徴とするエラストマー管状体に存する。
[0007]
That is, the gist of the present invention is as follows: (a) when the 1,4 bond ratio of the elastomeric polymer block is Z,
Embedded image
Mw × Z / 1000 (3)
(In the formula, Mw represents a weight average molecular weight.)
Is in the range of 60 to 120, and has the following general formula:
A- (BA) n (1)
And / or
(AB) n (2)
(In the formula, A represents a polymer block derived from a vinyl aromatic hydrocarbon, B represents an elastomeric polymer block, and n represents an integer of 1 to 5.)
A block copolymer having a weight average molecular weight (hereinafter abbreviated as Mw) of 150,000 to 260,000 and / or a hydrogenated block copolymer thereof: 30 to 70 % by weight
(B) Softener for hydrocarbon rubber having a weight average molecular weight of 300 to 2000: 15 to 50 % by weight
(C) Olefin resin: 10 to 35% by weight
And a lossy tangent at 20 ° C. in dynamic viscoelasticity measurement by longitudinal vibration of 0.05 to 0.7.
実施例１〜９及び比較例１〜９
（熱可塑性エラストマーの製造）
表１に示す配合量（重量部）にて配合したエラストマー組成物の（イ）〜（ハ）成分の合計量１００重量部に対して、テトラキス［メチレン−３−（３’，５’−ジ−ｔ−ブチル−４’−ヒドロキシフェニル）プロピオネート］メタン（商品名「イルガノックス１０１０」、チバスペシャルティーケミカルス社製）０．１重量部を添加し、圧縮比Ｌ／Ｄが３３、シリンダー径４５ｍｍの二軸押出機を用いて２００℃で溶融混練し、これをダイよりストランド状に押し出し、カッティングして熱可塑性エラストマー組成物のペレットを得た。
Examples 1 to 9 and Comparative Examples 1 to 9
(Production of thermoplastic elastomer)
Based on 100 parts by weight of the total amount of the components (a) to (c) of the elastomer composition blended in the blending amounts (parts by weight) shown in Table 1, tetrakis [methylene-3- (3 ′, 5′-di) -T-butyl-4'-hydroxyphenyl) propionate] methane (trade name "Irganox 1010", manufactured by Ciba Specialty Chemicals), 0.1 parts by weight, a compression ratio L / D of 33, and a cylinder diameter of 45 mm Was melt-kneaded at 200 ° C. using a twin screw extruder, extruded into a strand shape from a die, and cut to obtain pellets of a thermoplastic elastomer composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003203869A JP2004124070A (en) | 2002-08-06 | 2003-07-30 | Elastomer tubular body |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002228493 | 2002-08-06 | ||
| JP2003203869A JP2004124070A (en) | 2002-08-06 | 2003-07-30 | Elastomer tubular body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004124070A JP2004124070A (en) | 2004-04-22 |
| JP2004124070A5 true JP2004124070A5 (en) | 2006-04-13 |
Family
ID=32300854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003203869A Pending JP2004124070A (en) | 2002-08-06 | 2003-07-30 | Elastomer tubular body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2004124070A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006083233A (en) * | 2004-09-14 | 2006-03-30 | Mitsubishi Chemicals Corp | Tubular article |
| WO2006134974A1 (en) * | 2005-06-16 | 2006-12-21 | Nipro Corporation | Tube for medical purpose |
| JP4626624B2 (en) | 2006-03-28 | 2011-02-09 | 東海ゴム工業株式会社 | Heat resistant air hose |
| JP2008063365A (en) * | 2006-09-05 | 2008-03-21 | Aron Kasei Co Ltd | Styrene elastomer composition |
| KR101508023B1 (en) | 2007-09-07 | 2015-04-06 | 가부시키가이샤 구라레 | Tube and medical device comprising the same |
| CN111333795B (en) * | 2015-02-24 | 2023-04-07 | 株式会社可乐丽 | Hydrogenated block copolymer, resin composition, and article obtained using same |
| WO2016171191A1 (en) * | 2015-04-20 | 2016-10-27 | Ｍｃｐｐイノベーション合同会社 | Shaping filament for material extrusion type three-dimensional printer, and process for producing shaped object |
-
2003
- 2003-07-30 JP JP2003203869A patent/JP2004124070A/en active Pending
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