EP0078020A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Heat resisting polyester composition
Assignee: Polyplastics Co Ltd
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Filing: 1982-10-20
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Granted: —
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Expires: 2002-10-20
Abstract
Abstract The present invention relates to fire retardant thermoplastic polyester compositions having improved moldability, mechanical properties, heat-resistive property in melting or long-term heat aging and color durability, in particular to thermoplastic polyester compositions consisting of fire retardant polyalkylene terephthalate resins blended with polyolefins or copolymers of olefin.
Inventors
- 👤 Takuzo Kasuga
- 👤 Katsuhiko Takahashi
- 👤 Tuneyasu Nakashima
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 06:34
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/02
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
24 words
Thermoplastic polyester compositions consisting of thermoplastic polyester resins containing fire retardants, assistant fire retardants and inorganic fillers blended with polyolefins or copolymers of olefin.
Claim 2
Dependent Claim
24 words
Thermoplastic polyester compositions consisting of thermoplastic polyester resins containing fire retardants, assistant fire retardants and inorganic fillers blended with polyolefins or copolymers of olefin.
Claim 3
Dependent Claim
46 words
Thermoplastic polyester compositions as set forth in claim 1, in which said polyolefins or copolymers of olefin are preliminarily blended with said fire retardants and said assistant fire retardants at temperatures higher than the melting points thereof and the resulting blend is cooled followed by grinding.
Claim 4
Dependent Claim
17 words
Compositions as set forth in claim 1, in which said thermoplastic polyester resins are polyalkylene terephthalate resins.
Claim 5
Dependent Claim
16 words
Compositions as set forth in claim 2, in which said polyalkylene terephthalate resins are polybutylene terephthalate.
Claim 6
Dependent Claim
22 words
Compositions as set forth in claims 1 to 4, in which said polyolefins are low molecular weight polyethylene which has not self-moldability.
Claim 7
Dependent Claim
27 words
Compositions as set forth in claims 1 to 5, in which said fire retardants are chlorine contained organic compounds and said assistant fire retardants are inorganic compounds.
Claim 8
Dependent Claim
28 words
Compositions as set forth in claim 6, in which said fire retardants are decabromodiphenylether, brominated polycarbonate, brominated esters of cyanuric acid, brominated epoxy compounds or the mixtures thereof.
Claim 9
Dependent Claim
17 words
Compositions as set forth in claims 1 to 7, in which said inorganic fillers are glass fibers.
References Cited (Backward Citations)
GB1220322A
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US3668172A
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US4105622A
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GB1568760A
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GB2011437A
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GB2040953A
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EP0054392A1
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