Patent US2705203A successfully refreshed from Google Patents.
US4187338A
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Method for producing a foamed body having chemically embossed patterns
Assignee: Lonseal Corp
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Filing: 1978-01-05
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Granted: 1980-02-05
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Expires: 1998-01-05
Abstract
Abstract Foamed bodies having chemically embossed patterns are prepared by a first method comprising forming a composition containing a vinyl chloride resin, a synthetic rubber material capable of forming sulfur bridges, a blowing agent, a vulcanizing agent (sulfur) and a vulcanization promotor (metal oxide) into a sheet, printing an ink containing a vulcanizing accelerator into a desired configuration onto the sheet, drying and curing the printed sheet and then heating the sheet to decompose the blowing agent thereby foaming the sheet; and a second method comprising forming a composition containing a vinyl chloride resin, a synthetic rubber containing terminal groups capable of reacting with an isocyanate, and a blowing agent, printing an ink containing an isocyanate into a desired configuration onto the sheet, drying the printed sheet and then heating the sheet to decompose the blowing agent thereby foaming the sheet.
Inventors
- 👤 Nobuo Miura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:08
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/0061; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; C08J2409/00; Y; Y10; Y10S; Y10S264/00; Y10S264/18; Y10S264/82; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
104 words
A method for producing a foamed body having a chemically embossed pattern, which comprises: forming a composition containing a plasticized vinyl chloride resin, a synthetic rubber material capable of being vulcanized, a blowing agent, a vulcanizing agent and a vulcanization promotor into a sheet; printing an ink containing a vulcanizing accelerator onto said sheet in a desired configuration; drying and curing the printed sheet by heating said printed sheet to a temperature of up to 100° C.; and heating said dried sheet to a temperature of 150°-250° C. to cause foaming of said sheet thereby generating a sheet having said chemically embossed patterns therein.
Claim 2
Independent Claim
104 words
A method for producing a foamed body having a chemically embossed pattern, which comprises: forming a composition containing a plasticized vinyl chloride resin, a synthetic rubber material capable of being vulcanized, a blowing agent, a vulcanizing agent and a vulcanization promotor into a sheet; printing an ink containing a vulcanizing accelerator onto said sheet in a desired configuration; drying and curing the printed sheet by heating said printed sheet to a temperature of up to 100° C.; and heating said dried sheet to a temperature of 150°-250° C. to cause foaming of said sheet thereby generating a sheet having said chemically embossed patterns therein.
Claim 3
Dependent Claim
13 words
The method of claim 1, wherein said blowing agent is dinitrosopentamethylenetretramine or azodicarbonamide.
Claim 4
Dependent Claim
29 words
The method of claim 1, wherein said vulcanization accelerator is 2-mercaptobenzothiazole, a zinc salt of 2-mercaptobenzothiazole, a sodium salt of 2-mercaptobenzothiazole, tetramethylthiuram monosulfide, tetramethylthiuran disulfide,piperidine·pentamethylene·dithiocarbamate, zinc diethyldithiocarbamate, or zinc·dibutyl·xanthate.
Claim 5
Dependent Claim
30 words
The method of claim 1, wherein said composition contains 20 to 60 parts by weight of said synthetic rubber material per 100 parts by weight of said vinyl chloride resin.
Claim 6
Dependent Claim
18 words
The method of claim 1, wherein said vulcanizing agent is sulfur and said vulcanization promotor is zinc oxide.
Claim 7
Dependent Claim
27 words
The method of claim 1, wherein said composition further comprises at least one additive selected from the group consisting of a stabilizer, a lubricant and a pigment.
Claim 8
Dependent Claim
17 words
The method of claim 1, wherein said dried sheet is foamed over a temperature of 180°-210° C.
Claim 9
Dependent Claim
22 words
The method of claim 1, wherein said printed sheet is dried and cured at a temperature of 90° C. to 100° C.
Claim 10
Dependent Claim
34 words
The method of claim 1, wherein said vinyl chloride resin is a homopolymer of vinyl chloride or a copolymer of vinyl chloride with vinyl acetate, ethylene, propylene, acrylic acid ester or maleic acid ester.
Claim 11
Dependent Claim
11 words
The method of claim 1, wherein said vulcanizing agent is sulfur.
Claim 12
Dependent Claim
32 words
The method of claim 1, wherein said rubber containing composition contains from 1.5 to 6 parts by weight of said blowing agent per 100 parts by weight of said vinyl chloride resin.
Claim 13
Dependent Claim
30 words
The method of claim 1, wherein the amount of said vulcanization promotor ranges from 0.2 to 10 parts by weight per 100 parts by weight of said vinyl chloride resin.
Claim 14
Dependent Claim
28 words
The method of claim 1, wherein the amount of said vulcanizing agent ranges from 1-5 parts by weight per 100 parts by weight of said synthetic rubber component.
Claim 15
Dependent Claim
19 words
The method of claim 1, wherein the amount of said vulcanizing accelerator in said ink ranges from 7-30 wt.%.
Claim 16
Independent Claim
90 words
A method for producing a foamed body having chemically embossed patterns therein, which comprises: forming a composition of a plasticized vinyl chloride resin, a synthetic rubber material containing terminal groups capable of reacting with isocyanates and a blowing agent into a sheet; printing said sheet with an ink containing an isocyanate capable of reacting with said synthetic rubber into a desired configuration; drying said printed sheet; and heating said dried sheet to decompose the blowing agent in said composition thereby forming said foamed body containing a chemically embossed pattern therein.
Claim 17
Independent Claim
90 words
A method for producing a foamed body having chemically embossed patterns therein, which comprises: forming a composition of a plasticized vinyl chloride resin, a synthetic rubber material containing terminal groups capable of reacting with isocyanates and a blowing agent into a sheet; printing said sheet with an ink containing an isocyanate capable of reacting with said synthetic rubber into a desired configuration; drying said printed sheet; and heating said dried sheet to decompose the blowing agent in said composition thereby forming said foamed body containing a chemically embossed pattern therein.
Claim 18
Dependent Claim
37 words
The method of claim 15, wherein said isocyanate in said printing ink is a toluene diisocyanate, diphenylisocyanate, an aliphatic polyisocyanate, a low molecular weight prepolymer containing terminal isocyanate groups, a polymethylene polyphenyl isocyanate or polyfunctional aliphatic isocyanate.
Claim 19
Dependent Claim
29 words
The method of claim 15, wherein said rubber containing composition further comprises at least one additive selected from the group consisting of a stabilizer, a lubricant and a pigment.
Claim 20
Dependent Claim
18 words
The method of claim 15, wherein the amount of said isocyanate in said ink ranges from 3-30 wt.%.
Claim 21
Dependent Claim
34 words
The method of claim 15, wherein said vinyl chloride resin is a homopolymer of vinyl chloride or a copolymer of vinyl chloride with vinyl acetate, ethylene, propylene, acrylic acid ester or maleic acid ester.
Claim 22
Dependent Claim
32 words
The method of claim 15, wherein said rubber containing composition contains from 1.5 to 6 parts by weight of said blowing agent per 100 parts by weight of said vinyl chloride resin.
Claim 23
Dependent Claim
13 words
The method of claim 15, wherein said blowing agent is dinitroisopentamethylenetretramine or azodicarbonamide.
Claim 24
Dependent Claim
17 words
The method of claim 15, wherein said dried sheet is foamed over a temperature of 180°-210° C.
Claim 25
Dependent Claim
22 words
The method of claim 15, wherein said printed sheet is dried and cured at a temperature of 90° C. to 100° C.
Claim 26
Dependent Claim
11 words
An embossed foamed body prepared by the method of claim 1.
Claim 27
Dependent Claim
11 words
An embossed foamed body prepared by the method of claim 15.
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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) | 1983-02-04 | 1983-08-06 | 1984-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-04 | 1987-08-06 | 1988-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-04 | 1991-08-06 | 1992-02-05 | $7700.00 | Window Closed / Lapsed |