US4525261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sputtering method
Assignee: Polyplastics Co Ltd
•
Filing: 1983-11-01
•
Granted: 1985-06-25
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Expires: 2003-11-01
Abstract
Abstract The sputtering on polyacetal article is improved by coating the article, before the sputtering step, with a primer solution of a chlorinated polyolefin in a chlorine-containing solvent in respect to adhesion between the article and the sputtering layer.
Inventors
- 👤 Hiroshi Hotta
- 👤 Yoshiharu Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:16
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/02; C23C14/024; C23C14/06; C23C14/14; C23C14/20; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
54 words
A method for metallizing a polyacetal molded article on the surface thereof by sputtering, which comprises the steps of: first coating the polyacetal molded article with a primer solution comprising a chlorinated polyolefin resin and a chlorine-containing solvent to dissolve therein said resin and then sputtering a metal on the treated polyacetal molded article.
Claim 2
Independent Claim
54 words
A method for metallizing a polyacetal molded article on the surface thereof by sputtering, which comprises the steps of: first coating the polyacetal molded article with a primer solution comprising a chlorinated polyolefin resin and a chlorine-containing solvent to dissolve therein said resin and then sputtering a metal on the treated polyacetal molded article.
Claim 3
Dependent Claim
59 words
The method as claimed in claim 1, in which said chlorinated polyolefin resin is selected from the group consisting of chlorinated polyethylene, chlorinated polypropylene and a blend mixture of chlorinated polyethylene or chlorinated polypropylene and another resin and said other resin is one or more selected from the group consisting of a modified alkyd resin and a vinyl resin.
Claim 4
Dependent Claim
48 words
The method as claimed in claim 2, in which said modified alkyd resin is an acrylated alkyd resin and said vinyl resin is selected from the group consisting of polyvinyl chloride, polyvinyl acetate, polyacrylic acid, polyacrylate, polymethacrylic acid, polymethacrylate and a copolymer of vinyl chloride and vinyl acetate.
Claim 5
Dependent Claim
16 words
The method as claimed in claim 1 or 2, in which said chlorine-containing solvent is ortho-dichlorobenzene.
Claim 6
Dependent Claim
22 words
The method as claimed in claim 1, in which said primary solution further comprises an aromatic solvent to reduce a viscosity thereof.
Claim 7
Dependent Claim
32 words
The method as claimed in claim 1, in which said primer solution is coated in such an amount as to have a thickness of 3 to 20 microns in the dried state.
Claim 8
Dependent Claim
29 words
The method as claimed in claim 1, in which the polyacetal molded article treated with said primer solution is further coated with a base coat, before the sputtering step.
Claim 9
Dependent Claim
16 words
The method as claimed in claim 7, in which said base coat is a polyurethane paint.
Claim 10
Dependent Claim
33 words
A metallized polyacetal article comprising: an inner core of polyacetal material; an inner coating of a primer material comprising a chlorinated polyolefin resin; an outer coating comprising a thin layer of sputtered metal.
Claim 11
Dependent Claim
33 words
A metallized polyacetal article comprising: an inner core of polyacetal material; an inner coating of a primer material comprising a chlorinated polyolefin resin; an outer coating comprising a thin layer of sputtered metal.
Claim 12
Dependent Claim
21 words
The metallized polyacetal article according to claim 9 wherein said inner coating of primer material has a thickness of 3-20 microns.
Claim 13
Dependent Claim
30 words
The metallized polyacetal article according to claim 9 further comprising a coating of base paint intermediate to said inner coating of primer material and said outer coating of sputtered metal.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-06-24 | 1988-12-24 | 1989-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-24 | 1992-12-24 | 1993-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-24 | 1996-12-24 | 1997-06-25 | $7700.00 | Window Closed / Lapsed |