Patent EP0398758A2 successfully refreshed from Google Patents.
EP0398758A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
(Modified) Hydrogenated diene block copolymer and composition comprising the same
Assignee: JSR Corp
•
Filing: 1990-05-18
•
Granted: —
•
Expires: 2010-05-18
Abstract
Abstract A hydrogenated diene block copolymer having a polystyrene-reduced number-average molecular weight of 50,000-600,000 which is a hydrogenation product of an (A)-(B) block copolymer in which (A) means an alkenyl aromatic compound polymer block and (B) means a conjugated diene homopolymer block wherein the vinyl content of the conjugated diene portion is more than 60%, or an alkenyl aromatic compound-conjugated diene random copolymer block wherein the vinyl content of the conjugated diene portion is 15% or more, an (A)-(B)-(C) block copolymer in which (A) and (B) are as defined above and (C) means an alkenyl aromatic compound-conjugated diene copolymer tapered block wherein the proportion of the alkenyl aromatic compound increases gradually, or an (A)-(B)-(A) block copolymer in which (A) and (B) are as defined above and in which hydrogenation product at least 80% of the double bonds of the conjugated diene portion is saturated by the hydrogenation. Said hydrogenated diene block copolymer is useful as a modifier for polar resins, non-polar resins or both of them.
Inventors
- 👤 Tooru Shibata
- 👤 Toshio Teramoto
- 👤 Yoshiharu Hashiguchi
- 👤 Kunio Goshima
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 04:54
CPC Classifications
C; C08; C08L; C08L53/00; C08L53/02; C08L53/025; C08F; C08F297/00; C08F297/02; C08F297/04; C08F8/00; C08F8/04; C08L51/00; C08L51/006; Y; Y10; Y10S; Y10S525/00; Y10S525/94
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
220 words
A hydrogenated diene block copolymer having a polystyrene-reduced number-average molecular weight of 50,000-600,000 which is a hydrogenation product of an (A)-(B) block copolymer in which (A) means an alkenyl aromatic compound polymer block and (B) means a conjugated diene homopolymer block wherein the vinyl content of the conjugated diene portion is more than 60%, or an alkenyl aromatic compound-conjugated diene random copolymer block wherein the vinyl content of the conjugated diene portion is 15% or more, an (A)-(B)-(C) block copolymer in which (A) and (B) are as defined above and (C) means an alkenyl aromatic compound-conjugated diene copolymer tapered block wherein the proportion of the alkenyl aromatic compound increases gradually, or an (A)-(B)-(A) block copolymer in which (A) and (B) are as defined above, in which block copolymer (1) the weight proportion of the alkenyl aromatic compound/the conjugated diene is 5/95 to 60/40, and (2) the content of the bound alkenyl aromatic compound in at least one block (A) is at least 3% by weight and the total of the bound alkenyl aromatic compound contents in the two block (A)'s or the block (A) and the block (C) is 3-50% by weight based on the total monomers, and in which hydrogenation product at least 80% of the double bond unsaturations of the conjugated diene portion is saturated by the hydrogenation.
Claim 2
Dependent Claim
220 words
A hydrogenated diene block copolymer having a polystyrene-reduced number-average molecular weight of 50,000-600,000 which is a hydrogenation product of an (A)-(B) block copolymer in which (A) means an alkenyl aromatic compound polymer block and (B) means a conjugated diene homopolymer block wherein the vinyl content of the conjugated diene portion is more than 60%, or an alkenyl aromatic compound-conjugated diene random copolymer block wherein the vinyl content of the conjugated diene portion is 15% or more, an (A)-(B)-(C) block copolymer in which (A) and (B) are as defined above and (C) means an alkenyl aromatic compound-conjugated diene copolymer tapered block wherein the proportion of the alkenyl aromatic compound increases gradually, or an (A)-(B)-(A) block copolymer in which (A) and (B) are as defined above, in which block copolymer (1) the weight proportion of the alkenyl aromatic compound/the conjugated diene is 5/95 to 60/40, and (2) the content of the bound alkenyl aromatic compound in at least one block (A) is at least 3% by weight and the total of the bound alkenyl aromatic compound contents in the two block (A)'s or the block (A) and the block (C) is 3-50% by weight based on the total monomers, and in which hydrogenation product at least 80% of the double bond unsaturations of the conjugated diene portion is saturated by the hydrogenation.
Claim 3
Dependent Claim
58 words
The hydrogenated diene block copolymer according to Claim 1, wherein the block copolymer is a block copolymer represented by the general formula [(A)-(B)] n -X, [(A)-(B)-(C)] n -X or [(A)-(B)-(A)] n -X wherein (A), (B) and (C) are the same as defined in Claim 1, n is an integer of 2-4 and X is a coupling agent residue.
Claim 4
Dependent Claim
58 words
A modified hydrogenated diene block copolymer obtained by modifying 100 parts by weight of the hydrogenated diene block copolymer according to Claim 1 or 2 with 0.01-20 parts by weight of an unsaturated compound having at least one functional group selected from the group consisting of acid anhydride group, carboxyl group, hydroxyl group, amino group and epoxy group.
Claim 5
Dependent Claim
31 words
The hydrogenated diene block copolymer according to Claim 1, wherein (B) is an alkenyl aromatic compound-conjugated diene random copolymer block wherein the vinyl content of the conjugated diene portion is 15-60%.
Claim 6
Dependent Claim
30 words
The hydrogenated diene block copolymer according to Claim 1, wherein (B) is a conjugated diene homopolymer block wherein the vinyl content of the conjugated diene portion is more than 60%.
Claim 7
Dependent Claim
170 words
A hydrogenated diene block copolymer having a polystyrene-reduced number-average molecular weight of 50,000-300,000 which is a hydrogenation product of a block copolymer consisting of (A) an alkenyl aromatic compound polymer block, (B) an alkenyl aromatic compound-conjugated diene random copolymer block and, as necessary, (C) an alkenyl aromatic compound-conjugated diene copolymer tapered block wherein the proportion of the alkenyl aromatic compound increases gradually, these blocks being block-bonded to one another in which block copolymer (1) the weight proportion of the alkenyl aromatic compound/the conjugated diene is 5-40/95-60, (2) the total of the bound alkenyl aromatic compound contents in the block (A) and the optional constituent tapered block (C) is 3-25% by weight based on the total monomers and the content of the bound alkenyl aromatic compound in the block (A) is at least 3% by weight, and (3) the vinyl content in the conjugated diene portion in the block (B) is 15-60%, and in which hydrogenation product at least 90% of the double bonds of the conjugated diene portion is saturated.
Claim 8
Dependent Claim
170 words
A hydrogenated diene block copolymer having a polystyrene-reduced number-average molecular weight of 50,000-300,000 which is a hydrogenation product of a block copolymer consisting of (A) an alkenyl aromatic compound polymer block, (B) an alkenyl aromatic compound-conjugated diene random copolymer block and, as necessary, (C) an alkenyl aromatic compound-conjugated diene copolymer tapered block wherein the proportion of the alkenyl aromatic compound increases gradually, these blocks being block-bonded to one another in which block copolymer (1) the weight proportion of the alkenyl aromatic compound/the conjugated diene is 5-40/95-60, (2) the total of the bound alkenyl aromatic compound contents in the block (A) and the optional constituent tapered block (C) is 3-25% by weight based on the total monomers and the content of the bound alkenyl aromatic compound in the block (A) is at least 3% by weight, and (3) the vinyl content in the conjugated diene portion in the block (B) is 15-60%, and in which hydrogenation product at least 90% of the double bonds of the conjugated diene portion is saturated.
Claim 9
Dependent Claim
60 words
A modified hydrogenated diene block copolymer obtained by modifying 100 parts by weight of the hydrogenated diene block copolymer according to Claim 6 with 0.01-20 parts by weight of an unsaturated compound having at least one functional group selected from the group consisting of acid anhydride group, carboxyl group, hydroxyl group, amino group, epoxy group, oxazolyl group and imido group.
Claim 10
Dependent Claim
198 words
A hydrogenated diene block copolymer having a polystyrene-reduced number-average molecular weight of 100,000-600,000 which is a hydrogenation product of an (A)-(B) block copolymer consisting of (A) an alkenyl aromatic compound polymer block and (B) an alkenyl aromatic compound-conjugated diene random copolymer block, an (A)-(B)-(C) block copolymer consisting of the block (A), the block (B) and (C) an alkenyl aromatic compound-conjugated diene copolymer tapered block wherein the proportion of the alkenyl aromatic compound increases gradually, or an (A)-(B)-(A) block copolymer consisting of the block (A), the block (B) and the block (A), in which block copolymer (1) the weight proportion of the alkenyl aromatic compound/the conjugated diene is 5-40/95-60, (2) the total of the bound alkenyl aromatic compound contents in the block (A) and the block (C) or the two block (A)'s is 3-25% by weight based on the total monomers and the content of the bound alkenyl aromatic compound in at least one block (A) is at least 3% by weight, and (3) the vinyl content in the conjugated diene portion in the block (B) is more than 60%, and in which hydrogenation copolymer at least 90% of the double bonds of the conjugated diene portion is saturated.
Claim 11
Dependent Claim
198 words
A hydrogenated diene block copolymer having a polystyrene-reduced number-average molecular weight of 100,000-600,000 which is a hydrogenation product of an (A)-(B) block copolymer consisting of (A) an alkenyl aromatic compound polymer block and (B) an alkenyl aromatic compound-conjugated diene random copolymer block, an (A)-(B)-(C) block copolymer consisting of the block (A), the block (B) and (C) an alkenyl aromatic compound-conjugated diene copolymer tapered block wherein the proportion of the alkenyl aromatic compound increases gradually, or an (A)-(B)-(A) block copolymer consisting of the block (A), the block (B) and the block (A), in which block copolymer (1) the weight proportion of the alkenyl aromatic compound/the conjugated diene is 5-40/95-60, (2) the total of the bound alkenyl aromatic compound contents in the block (A) and the block (C) or the two block (A)'s is 3-25% by weight based on the total monomers and the content of the bound alkenyl aromatic compound in at least one block (A) is at least 3% by weight, and (3) the vinyl content in the conjugated diene portion in the block (B) is more than 60%, and in which hydrogenation copolymer at least 90% of the double bonds of the conjugated diene portion is saturated.
Claim 12
Dependent Claim
57 words
The hydrogenated diene block copolymer according to Claim 8, wherein the block copolymer is a block copolymer represented by the general formula [(A)-(B)] n -X, [(A)-(B)-(C)] n -X or [(A)-(B)-(A)] n -X wherein (A), (B) and (C) are as defined as in Claim 1, n is an integer of 2-4 and X is a coupling agent residue.
Claim 13
Dependent Claim
56 words
A modified hydrogenated diene block copolymer obtained by modifying 100 parts by weight of a hydrogenated diene block copolymer according to Claim 8 with 0.01-20 parts by weight of an unsaturated compound having at least one functional group selected from the group consisting of acid anhydride group, carboxyl group, hydroxyl group, amino group and epoxy group.
Claim 14
Dependent Claim
75 words
A hydrogenated diene block copolymer composition comprising 1-99% by weight of at least one (modified) hydrogenated diene block copolymer (I) selected from the group consisting of the hydrogenated diene block copolymer according to Claim 1, the hydrogenated diene block copolymer according to Claim 2 and the modified hydrogenated diene block copolymer according to Claim 3 and 99-1% by weight of a non-polar resin (II), a polar resin (III) or both of (II) and (III) components.
Claim 15
Dependent Claim
78 words
A hydrogenated diene block copolymer composition comprising at least one (modified) hydrogenated diene block copolymer (I) selected from the group consisting of the hydrogenated diene block copolymer according to Claim 1, the hydrogenated diene block copolymer according to Claim 2 and the modified hydrogenated diene block copolymer according to Claim 3, a polar resin (III) and 0.01-400 parts by weight, per 100 parts by weight of the total of the components (I) and (III), of a compatibilizing agent.
Claim 16
Dependent Claim
23 words
A hydrogenated diene block copolymer composition comprising the modified hydrogenated diene block copolymer (I) according to Claim 3 and a polar resin (III).
Claim 17
Dependent Claim
41 words
A hydrogenated diene block copolymer composition comprising 1-99% by weight of the hydrogenated diene block copolymer (I) according to Claim 6 and 99-1% by weight of a non-polar resin (II), a polar resin (III) or both of (II) and (III) components.
Claim 18
Dependent Claim
52 words
A hydrogenated diene block copolymer composition comprising 1-99% by weight of the hydrogenated diene block copolymer (I) according to Claim 6, 99-1% by weight of a polar resin (III) and 0.01-400 parts by weight, per 100 parts by weight of the total of the components (I) and (III), of a compatibilizing agent.
Claim 19
Dependent Claim
43 words
A modified hydrogenated diene block copolymer composition comprising 1-99% by weight of a modified hydrogenated diene block copolymer (I) according to Claim 7 and 99-1% by weight of a non-polar resin (II), a polar resin (III) or both of (II) and (III) components.
Claim 20
Dependent Claim
40 words
A hydrogenated diene block copolymer composition comprising 1-99% by weight of a hydrogenated diene copolymer (I) according to Claim 8 and 99-1% by weight of a non-polar resin (II), a polar resin (III) or both of (II) and (III) components.
Claim 21
Dependent Claim
52 words
A hydrogenated diene block copolymer composition comprising 1-99% by weight of a hydrogenated diene block copolymer (I) according to Claim 8, 99-1% by weight of a polar resin (III) and 0.01-400 parts by weight, per 100 parts by weight of the total of the components (I) and (III), of a compatibilizing agent.
Claim 22
Dependent Claim
43 words
A modified hydrogenated diene block copolymer composition comprising 1-99% by weight of a modified hydrogenated diene block copolymer (I) according to Claim 10 and 99-1% by weight of a non-polar resin (II), a polar resin (III) or both of (II) and (III) components.
Claim 23
Dependent Claim
73 words
A thermoplastic elastomer composition obtained by melt-kneading, in the presence of a crosslinking agent, 10-90 parts by weight of a polyolefin resin (M) and 90-10 parts by weight of at least one (modified) hydrogenated diene block copolymer (N) selected from the group consisting of the hydrogenated diene block copolymer according to Claim 1, the hydrogenated diene block copolymer according to Claim 2 and the modified hydrogenated diene block copolymer according to Claim 3.
Claim 24
Dependent Claim
78 words
A thermoplastic resin composition comprising (a) 1-90% by weight of at least one (modified) hydrogenated diene block copolymer selected from the group consisting of the hydrogenated diene block copolymer according to Claim 1, the hydrogenated diene block copolymer according to Claim 2 and the modified hydrogenated diene block copolymer according to Claim 3, (b) 5-94% by weight of a thermoplastic polyester, a thermoplastic polyester elastomer or both of them and (c) 5-94% by weight of other thermoplastic polymer.
Claim 25
Dependent Claim
76 words
A thermoplastic resin composition comprising (a) 1-90% by weight of a (modified) hydrogenated diene block copolymer selected from the group consisting of the hydrogenated diene block copolymer according to Claim 1, the hydrogenated diene block copolymer according to Claim 2 and the modified hydrogenated diene block copolymer according to Claim 3, (b′) 5-94% by weight of a thermoplastic polyamide, a thermoplastic polyamide elastomer or both of them and (c) 5-94% by weight of other thermoplastic polymer.
Claim 26
Dependent Claim
68 words
A thermoplastic resin composition comprising (a) 1-90% by weight of a (modified) hydrogenated diene block copolymer selected from the group consisting of the hydrogenated diene block copolymer according to Claim 1, the hydrogenated diene block copolymer according to Claim 2 and the modified hydrogenated diene block copolymer according to Claim 3, (b˝) 5-94% by weight of a polyphenylene ether and (c) 5-94% by weight of other thermoplastic polymer.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.