JP2000007862A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2000007862A5 JP2000007862A5 JP1998174222A JP17422298A JP2000007862A5 JP 2000007862 A5 JP2000007862 A5 JP 2000007862A5 JP 1998174222 A JP1998174222 A JP 1998174222A JP 17422298 A JP17422298 A JP 17422298A JP 2000007862 A5 JP2000007862 A5 JP 2000007862A5
- Authority
- JP
- Japan
- Prior art keywords
- block copolymer
- molecular weight
- weight
- copolymer mixture
- aromatic hydrocarbon
- 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.)
- Granted
Links
- 229920001400 block copolymer Polymers 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 18
- -1 vinyl aromatic hydrocarbon Chemical class 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000011342 resin composition Substances 0.000 claims description 5
- 150000001993 dienes Chemical class 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 229920001890 Novodur Polymers 0.000 claims 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- FEIQOMCWGDNMHM-UHFFFAOYSA-M 5-phenylpenta-2,4-dienoate Chemical compound [O-]C(=O)C=CC=CC1=CC=CC=C1 FEIQOMCWGDNMHM-UHFFFAOYSA-M 0.000 description 1
Description
即ち、１．（Ｉ）少なくとも２つのビニル芳香族炭化水素重合体ブロックと少なくとも１つの共役ジエンを主体とする重合体ブロックを有するブロック共重合体からなるブロック共重合体混合物において、該ブロック共重合体混合物のビニル芳香族炭化水素含有量が６５重量％〜８５重量％、共役ジエン含有量が３５重量％〜１５重量％で、数平均分子量が５万〜３０万でかつ重量平均分子量と数平均分子量の比が１．２〜２．５の範囲内であって、該ブロック共重合体混合物を構成するブロック共重合体のビニル芳香族炭化水素含有量が７万〜３０万の範囲の分子量の増大と共に式（１）と式（２）の範囲内で連続的に増加するような組成分布を有することを特徴とするブロック共重合体混合物、及び
（１）Ｂ＝ＢＯ（−０．４７＋１．６×１０-5×Ｍ−５．５×１０-11×Ｍ2＋６．４×１０-17×Ｍ3）
（２）Ｂ＝ＢＯ（０．２８＋１．３×１０-5×Ｍ−５．６×１０-11×Ｍ2＋８．２×１０-17×Ｍ3）
（Ｂ：ブロック共重合体混合物を構成する分子量がＭのブロック共重合体のビニル芳香族炭化水素含有量（重量％）、ＢＯ：ブロック共重合体混合物のビニル芳香族炭化水素含有量（重量％）、Ｍ：ブロック共重合体混合物を構成するブロック共重合体の分子量）
（ＩＩ）スチレン系樹脂、
からなり、（Ｉ）と（ＩＩ）の重量比が５／９５〜７０／３０であることを特徴とする樹脂組成物、
２．該ブロック共重合体混合物の重量平均分子量と数平均分子量の比が１．２〜２．３である上記１に記載の樹脂組成物、
３．（ＩＩ）スチレン系樹脂が、ポリスチレン及びスチレン−アクリル酸ｎ−ブチル共重合体である上記１または２に記載の樹脂組成物である。以下、本発明を詳細に説明する。
That is, 1. (I) In a block copolymer mixture composed of a block copolymer having at least two vinyl aromatic hydrocarbon polymer blocks and a polymer block mainly composed of at least one conjugated diene, the vinyl of the block copolymer mixture. The aromatic hydrocarbon content is 65% to 85% by weight, the conjugated diene content is 35% to 15% by weight, the number average molecular weight is 50,000 to 300,000, and the ratio of the weight average molecular weight to the number average molecular weight is. The formula (with increasing molecular weight in the range of 1.2 to 2.5 and in which the vinyl aromatic hydrocarbon content of the block polymer constituting the block copolymer mixture is in the range of 70,000 to 300,000 is increased. 1) a block copolymer mixture is characterized by having a composition distribution such that continuously increasing within the scope of formula (2), and (1) B = BO (-0.47 + 1.6 × 10 - 5 x M-5.5 x 10 -11 x M 2 + 6.4 x 10 -17 x M 3 )
(2) B = BO (0.28 + 1.3 × 10 -5 × M-5.6 × 10 -11 × M 2 + 8.2 × 10 -17 × M 3 )
(B: Vinyl aromatic hydrocarbon content (% by weight) of the block copolymer having a molecular weight of M constituting the block copolymer mixture, BO: Vinyl aromatic hydrocarbon content (% by weight) of the block copolymer mixture. ), M: Molecular weight of block copolymers constituting the block copolymer mixture)
(II) Styrene-based resin,
A resin composition comprising, wherein the weight ratio of (I) and (II) is 5/95 to 70/30.
2. The resin composition according to 1 above, wherein the ratio of the weight average molecular weight to the number average molecular weight of the block copolymer mixture is 1.2 to 2.3.
3. 3. (II) The resin composition according to 1 or 2 above, wherein the styrene-based resin is a polystyrene and an n-butyl copolymer of styrene-acrylate. Hereinafter, the present invention will be described in detail.
Claims (3)
（１）Ｂ＝ＢＯ（−０．４７＋１．６×１０-5×Ｍ−５．５×１０-11×Ｍ2＋６．４×１０-17×Ｍ3）
（２）Ｂ＝ＢＯ（０．２８＋１．３×１０-5×Ｍ−５．６×１０-11×Ｍ2＋８．２×１０-17×Ｍ3）
（Ｂ：ブロック共重合体混合物を構成する分子量がＭのブロック共重合体のビニル芳香族炭化水素含有量（重量％）、ＢＯ：ブロック共重合体混合物のビニル芳香族炭化水素含有量（重量％）、Ｍ：ブロック共重合体混合物を構成するブロック共重合体の分子量）
（ＩＩ）スチレン系樹脂、
からなり、（Ｉ）と（ＩＩ）の重量比が５／９５〜７０／３０であることを特徴とする樹脂組成物。(I) A block copolymer mixture comprising at least two vinyl aromatic hydrocarbon polymer blocks and a block copolymer having a polymer block mainly composed of at least one conjugated diene, wherein the vinyl of the block copolymer mixture The aromatic hydrocarbon content is 65 wt% to 85 wt%, the conjugated diene content is 35 wt% to 15 wt%, the number average molecular weight is 50,000 to 300,000, and the ratio of the weight average molecular weight to the number average molecular weight is Within the range of 1.2 to 2.5, the vinyl aromatic hydrocarbon content of the block copolymer constituting the block copolymer mixture increases with the molecular weight in the range of 70,000 to 300,000. 1) and a block copolymer mixture characterized by having a composition distribution that increases continuously within the range of formula (2), and (1) B = BO (−0.47 + 1.6 × 10 − 5 × -5.5 × 10 -11 × M 2 + 6.4 × 10 -17 × M 3)
(2) B = BO (0.28 + 1.3 × 10 −5 × M−5.6 × 10 −11 × M 2 + 8.2 × 10 −17 × M 3 )
(B: vinyl aromatic hydrocarbon content (% by weight) of the block copolymer having a molecular weight of M constituting the block copolymer mixture, BO: vinyl aromatic hydrocarbon content (% by weight) of the block copolymer mixture ), M: molecular weight of the block copolymer constituting the block copolymer mixture)
(II) styrenic resin,
And a weight ratio of (I) to (II) of 5/95 to 70/30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17422298A JP4305786B2 (en) | 1998-06-22 | 1998-06-22 | Resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17422298A JP4305786B2 (en) | 1998-06-22 | 1998-06-22 | Resin composition |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000007862A JP2000007862A (en) | 2000-01-11 |
| JP2000007862A5 true JP2000007862A5 (en) | 2005-10-13 |
| JP4305786B2 JP4305786B2 (en) | 2009-07-29 |
Family
ID=15974869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17422298A Expired - Lifetime JP4305786B2 (en) | 1998-06-22 | 1998-06-22 | Resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4305786B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE380844T1 (en) | 2001-03-15 | 2007-12-15 | Asahi Chemical Ind | BLOCK COPOLYMER COMPOSITION |
-
1998
- 1998-06-22 JP JP17422298A patent/JP4305786B2/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE542837T1 (en) | POLYCYCLIC RESISTANT COMPOSITIONS WITH IMPROVED ETCH RESISTANCE | |
| GB1496013A (en) | Selectively hydrogenated block copolymer composition suitable for use in tubing or elastomeric rods | |
| CA2226195A1 (en) | Block copolymer, block copolymer composition and heat shrinkable films made thereof | |
| WO2002022754A8 (en) | Adhesive compositions containing low molecular weight polymeric additives | |
| MX9601935A (en) | Blends of polyolefin graft copolymers and polycarbonate. | |
| TW334443B (en) | Linear block copolymers, process for their preparation and adhesive compositions | |
| ATE115155T1 (en) | CORE-SHELL POLYMER AND COMPOSITIONS INCLUDING A CORE-SHELL POLYMER. | |
| KR910018467A (en) | Thermoplastic Molding Material | |
| EP0404185A3 (en) | Block copolymer composition | |
| JP2009518472A5 (en) | ||
| NO961760L (en) | Hydrogenated multi-block copolymers for adhesives | |
| EP0367188A3 (en) | Thermoplastic polymer composition | |
| RU98107325A (en) | BITUMINOUS COMPOSITION | |
| MX9801556A (en) | Bituminous composition. | |
| EP1266935A4 (en) | Styrene copolymer composition | |
| JP2005521773A5 (en) | ||
| KR960017814A (en) | Low Viscosity Adhesive Compositions Containing Asymmetric Radial Polymers | |
| AU2001270154A1 (en) | Block copolymers containing both polystyrene and low vinyl content polydiene hard blocks | |
| MX9600626A (en) | Bituminous composition. | |
| JPS52101287A (en) | Preparation of conjugated diene polymers | |
| JP2004059781A5 (en) | ||
| JP2000007862A5 (en) | ||
| CA2013747A1 (en) | Monovinylidene aromatic and conjugated diene copolymer coating compositions comprising sulfoalkyl monomeric emulsifier | |
| JP2002012461A5 (en) | ||
| KR910000859A (en) | Polymer composition |