US3661628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inorganic oxide substrate coated with water dispersible ethylene and acrylic-methacrylic copolymer salts with siloxane
Assignee: Union Carbide Corp
•
Filing: 1969-09-29
•
Granted: 1972-05-09
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Expires: 1989-09-29
Abstract
Abstract This invention involves treating an inorganic substrate with an organo-functional siloxane and a water dispersible salt of a copolymer of ethylene and acrylic and/or methacrylic acid. The invention is specifically characterized by the treatment of glass fiber as the substrate and the incorporation of the treated glass fiber in polyolefin molding resins for the purpose of making a reinforced composite.
Inventors
- 👤 James G Marsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:08
CPC Classifications
C; C09; C09C; C09C3/00; C09C3/006; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; C03; C03C; C03C17/00; C03C17/28; C03C17/30; C03C17/32; C03C25/00; C03C25/10; C03C25/24; C03C25/40; C09C3/10; C09C3/12; C01; C01P; C01P2004/00; C01P2004/80; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2962; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31652; Y10T428/31667
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
12 words
claim 1 wherein the inorganic oxide substrate is a metal oxide substrate.
Claim 2
Dependent Claim
11 words
claim 1 wherein the inorganic oxide substrate is a siliceous filler.
Claim 3
Dependent Claim
229 words
A fiber glass substrate which contains coated thereon an aqueous mixture of: a. a silane of the formula XR''SiY3 which forms a siloxane structure capable of intimate and effective bonding with the fiber glass substrate upon evaporation of essentially all the water of said mixture, said siloxane retaining the functional grouping X which is condensible with a carboxylic acid group; wherein X contains the functional group selected from the group consisting of -NH-, HS-, HO- and O=C=N-, at least one free valence of said group enters into the bond to R'' and any remaining free valences are bonded to hydrogen, and wherein R'' is a polyvalent saturated hydrocarbon radical containing at least three carbon atoms in sequence therein separating X from Si, provided that when X HS-, HSR'' may contain two carbon atoms in sequence separating X from Si; and Y is a hydrolyzable group selected from the group consisting of alkoxy, aroxy, halogen and amino; and b. a water-dispersible salt of a copolymer of ethylene and at least one of acrylic acid and methacrylic acid, which copolymer contains at least 14 and not more than 55 weight percent, based on the weight of the copolymer, of polymer units therein derived from at least one of acrylic acid or methacrylic acid, and said copolymer has a melt index range from 0.1 decigram per minute to 1,000 decigrams per minute.
Claim 4
Dependent Claim
8 words
claim 4 wherein the silane is gamma-aminopropyl-triethoxy silane.
Claim 5
Dependent Claim
14 words
The substrate of claim 4 wherein the substrate is mixed with a polyethylene resin.
Claim 6
Dependent Claim
14 words
The product of claim 4 wherein the substrate is mixed with a polypropylene resin.
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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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |