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US5149589A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermoplastic elastomer composition of excellent fusion bond property

Assignee: Taisei Purasu Co Ltd
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Filing: 1990-09-06
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Granted: 1992-09-22
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Expires: 2010-09-06
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Abstract

Abstract A thermoplastic elastomer composition of excellent fusion bond property, which is useful to produce a composite molded product having a molded part that is made of a synthetic resin material, for example, an engineering plastic material, which has excellent mechanical strength, and a molded part that is made of a high-elasticity thermoplastic elastomer. The thermoplastic elastomer composition comprises 100 parts by weight of a thermoplastic elastomer and 25 to 185 parts by weight of a thermoplastic polyester elastomer.

Inventors

  • 👤 Masanori Naritomi
  • 👤 Noritaka Ogawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 21:31
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08J; C08J5/00; C08J5/12; C08J5/121; C08L53/00; C08L53/02; C08L67/00; C08L67/02; C08L67/025; C08L75/00; C08L75/04; B; B29; B29C; B29C45/00; B29C45/16; B29C45/1657; B29C2045/1659; C08L21/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31507; Y10T428/31725; Y10T428/31736; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31931; Y10T428/31935

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 114 words
A thermoplastic elastomer composition which is fusion bonded to a molded piece that is formed from a rigid synthetic resin material to form a composite molded product, wherein said thermoplastic elastomer composition comprises; (1) 100 parts by weight of a thermoplastic elastomer selected from the group consisting of a hydrogenated SBS block copolymer, olefin elastomer, diene elastomer, and urethane elastomer, and (2) 25 to 185 parts by weight of a thermoplastic polyester elastomer, said thermoplastic polyester elastomer being a polyether-ester copolymer which has a polyester segment that is prepared from an aromatic dicarboxylic acid and a short-chain glycol and a polyether segment that is prepared from an aromatic dicarboxylic acid and a polyalkylene glycol.
Claim 2
Dependent Claim 114 words
A thermoplastic elastomer composition which is fusion bonded to a molded piece that is formed from a rigid synthetic resin material to form a composite molded product, wherein said thermoplastic elastomer composition comprises; (1) 100 parts by weight of a thermoplastic elastomer selected from the group consisting of a hydrogenated SBS block copolymer, olefin elastomer, diene elastomer, and urethane elastomer, and (2) 25 to 185 parts by weight of a thermoplastic polyester elastomer, said thermoplastic polyester elastomer being a polyether-ester copolymer which has a polyester segment that is prepared from an aromatic dicarboxylic acid and a short-chain glycol and a polyether segment that is prepared from an aromatic dicarboxylic acid and a polyalkylene glycol.
Claim 3
Dependent Claim 29 words
A thermoplastic elastomer composition according to claim 1, wherein said synthetic resin material is one selected from among a polycarbonate, Nylon 11, Nylon 12, ABS resin and methacrylate resin.
Claim 4
Dependent Claim 22 words
The thermoplastic elastomer composition of claim 1 wherein said thermoplastic elastomer has a JIS A scale Shore hardness of 35 to 70.
Claim 5
Dependent Claim 23 words
The thermoplastic elastomer composition of claim 1 wherein said synthetic resin material has a JIS A scale Shore hardness of at least 70.
Claim 6
Dependent Claim 107 words
A thermoplastic elastomer composition which is fusion-bonded to a molded piece that is formed from a rigid synthetic resin material to form a composite molded product, wherein said thermoplastic elastomer composition comprises: (1) 100 parts by weight of a thermoplastic elastomer selected from the group consisting of a hydrogenated SBS block copolymer, olefin elastomer, diene elastomer, and urethane elastomer, and (2) 25 to 185 parts by weight of a thermoplastic polyester elastomer, wherein said thermoplastic polyester elastomer is a polyester-ester copolymer which has a polyester segment that is prepared from an aromatic dicarboxylic acid and a short-chain glycol and a polyester segment that is prepared from polycaprolactone.
Claim 7
Dependent Claim 107 words
A thermoplastic elastomer composition which is fusion-bonded to a molded piece that is formed from a rigid synthetic resin material to form a composite molded product, wherein said thermoplastic elastomer composition comprises: (1) 100 parts by weight of a thermoplastic elastomer selected from the group consisting of a hydrogenated SBS block copolymer, olefin elastomer, diene elastomer, and urethane elastomer, and (2) 25 to 185 parts by weight of a thermoplastic polyester elastomer, wherein said thermoplastic polyester elastomer is a polyester-ester copolymer which has a polyester segment that is prepared from an aromatic dicarboxylic acid and a short-chain glycol and a polyester segment that is prepared from polycaprolactone.
Claim 8
Dependent Claim 29 words
The thermoplastic elastomer composition of claim 5 wherein said synthetic resin material is selected from the group consisting of polycarbonate, Nylon 11, Nylon 12, ABS resin and methacrylate resin.

References Cited (Backward Citations)

US3927244A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-09-22 1996-03-23 1996-09-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-09-22 2000-03-23 2000-09-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-09-22 2004-03-23 2004-09-22 $7700.00 Window Closed / Lapsed

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