EP0187176A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Metal-plated molding
Assignee: Toray Industries Inc
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Filing: 1985-01-08
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Granted: —
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Expires: 2005-01-08
Abstract
Abstract polyester compositions according to the subject invention is composed of theremoplastic polyesters and the titanium dioxide and/or aluminium oxide having specific particle diameters. The polyester composition provides the molded articles which display reduced warpage. The polyester composition has high plating characteristic and provide superior metal-plated moldings.
Inventors
- 👤 Kiyokazu Nakamura
- 👤 Kiichi Kometani
- 👤 Toshihide Inoue
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 20:09
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/54; C25D5/56; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2053; C23C18/206; H; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/0353; H05K1/0373; H05K3/00; H05K3/10; H05K3/18; H05K3/181; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
33 words
A polyester composition comprising 100 parts by weight thermoplastic polyester and 5 to 250 parts by weight of the tanium dioxide and/or aluminum oxide having the mean article diameters of 0.5 to 10µm.
Claim 2
Dependent Claim
43 words
The polyester composition, as claimed in Claim 1, further comprising 1 to 100 parts by weight of at least one elected from the group consisting of impact modifiers: (i) Aliphatic dicarboxylic acid copolymerized polyester (ii) Polyester elastomer (iii) Olefinic copolymer containing glycidyl groups.
Claim 3
Dependent Claim
15 words
The polyester composition, as claimed in Claim 1, wherein said theremoplastic polyester is poly(alkylene terephthalate).
Claim 4
Dependent Claim
15 words
The polyester composition, as claimed in Claim 3, wherein said poly(alkylene terephthalate) is poly(butylene terephthalate).
Claim 5
Dependent Claim
20 words
The polyester composition, as claimed in Claim 4, wherein said poly(butylene terephthalate) contains metal sulfoisophthalate and/or sulfoterephthalate as copolymerized components.
Claim 6
Dependent Claim
21 words
The polyester composition, as claimed in Claim 1, wherein said titanium dioxide has the mean particle diameters of 1.5 to 6µm.
Claim 7
Dependent Claim
21 words
The polyester composition, as claimed in Claim 1, wherein said aluminum oxide has the mean particle diameters of 0.7 to 6pm.
Claim 8
Dependent Claim
34 words
The polyester composition, as claimed in Claim 1, wherein the amount of said titanium dioxide and/or aluminum oxide is 20 to 150 parts by weight per 100 parts by weight of the theremoplastic polyester.
Claim 9
Dependent Claim
24 words
The polyester composition, as claimed in Claim 2, wherein said aliphatic dicarboxylic acid copolymerized polyester has aliphatic dicarboxylic acid and aromatic dicarboxylic acid components.
Claim 10
Dependent Claim
33 words
The polyester composition, as claimed in Claim 2, wherein said polyester elastomer is a block copolymer containing a hard segment of aromatic polyesters and a soft segment of poly(alkylene oxide)glycol and/or aliphatic polyesters.
Claim 11
Dependent Claim
35 words
The polyester composition, as claimed in Claim 2, wherein said olefinic copolymer containing glycidyl groups is a copolymer of the a-olefin having 2 to 10 carbon atoms and glycidyl ester of a,6-ethylenically unsaturated carboxylic acid.
Claim 12
Dependent Claim
37 words
The moldings obtained by the extrusion molding or injection molding of the polyester composition comprising 100 parts by weight of theremoplastic polyester and titanium dioxide and/or aluminum oxide having the mean particle diameters of 0.5 to 10pm.
Claim 13
Dependent Claim
15 words
The moldings, as claimed in Claim 12, wherein the surface thereof is covered with metals.
Claim 14
Dependent Claim
57 words
A process for manufacturing metal-plated moldings, wherein the extrusion molding or injection molding of the polyester composition comprising 100 parts by weight of thermoplastic polyester and titanium dioxide and/or aluminum oxide having the mean particle diameters of 0.5 to 10µm is etched on the surface etching by using an alkaline solution and then metalized on the surface.
Claim 15
Dependent Claim
21 words
A process for manufacturing metal-plated moldings, as claimed in Claim 14, wherein etching is performed after treating by an acidic solution.
Claim 16
Dependent Claim
21 words
A process for manufacturing metal-plated moldings, as claimed in Claim 14, wherein etching is performed before treating by an acidic solution.
Claim 17
Dependent Claim
15 words
A process for manufacturing metal-plated moldings, as claimed in Claim 14, wherein metalizing is plating.
References Cited (Backward Citations)
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