US3787224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber reinforced elastomers
Assignee: Owens Corning
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Filing: 1972-04-24
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Granted: 1974-01-22
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Expires: 1992-04-24
Abstract
Abstract This invention is addressed to the improvement in the bonding relationship between glass fibers and elastomeric materials, wherein glass fibers are treated with a composition formulated to contain a resorcinol-aldehyde resin, a butadiene-styrene vinyl pyridine terpolymer, an incompatible wax and a dicarboxylated butadiene-styrene resin.
Inventors
- 👤 W Uffner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:07
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/27; C08L; C08L9/00; C08L9/10; C08J2321/00; C08L13/00; C08L13/02; C08L61/00; C08L61/04; C08L61/06; C08L61/12; C08L91/00; C08L91/06; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2964; Y10T442/00; Y10T442/20; Y10T442/2402
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
25 words
A glass fiber bundle as defined in claim 1 wherein the glass fibers forming the bUndle have a thin size coating on the surfaces thereof.
Claim 2
Dependent Claim
17 words
A glass fiber bundle as defined in claim 1 wherein the impregnant also includes an anchoring agent.
Claim 3
Dependent Claim
29 words
A glass fiber bundle as defined in claim 1 wherein the fiber bundle is in the form of a cord formed of a plurality of strands of glass fibers.
Claim 4
Dependent Claim
20 words
A glass fiber bundle as defined in claim 4 wherein the strands forming the cords are twisted and plied together.
Claim 5
Dependent Claim
31 words
A glass fiber bundle as defined in claim 1 wherein the fiber bundle is in the form of a woven or non-woven fabric formed of fibers in the form of cords.
Claim 6
Dependent Claim
84 words
A glass fiber bundle comprising a plurality of glass fibers, a thin size coating on the surfaces of the glass fibers and an impregnant in the bundle, the impregnant comprising 2 to 10 parts by weight of a resorcinol-aldehyde resin, 20 to 60 parts by weight of a butadiene-styrene-vinyl pyridine terpolymer, 15 to 40 parts by weight of a dicarboxylated butadiene-styrene resin having a ratio of styrene to butadiene of at least 50/50, and 3 to 30 parts by weight of an incompatible wax.
Claim 7
Dependent Claim
64 words
Glass fibers having a thin coating thereon, said coating comprising 2 to 10 parts by weight of a resorcinol-aldehyde resin, 20 to 60 parts by weight of a butadiene-styrene-vinyl pyridine terpolymer, 15 to 40 parts by weight of a dicarboxylated butadiene-styrene resin having a ratio of styrene to butadiene of at least 50/50, and 3 to 30 parts by weight of an incompatible wax.
Claim 8
Dependent Claim
14 words
Glass fibers as defined in claim 8 wherein the coating includes an anchoring agent.
Claim 9
Dependent Claim
99 words
In a glass fiber-reinforced elastomeric product in which an elastomeric material constitutes a continuous phase in which the glass fibers are distributed, the improvement in the bonding relationship of the glass fibers with the elastomeric material comprising a coating on the glass fibers formed of 2 to 10 parts by weight of a resorcinol-aldehyde resin, 20 to 60 parts by weight of a butadiene-styrene-vinyl pyridine terpolymer, 15 to 40 parts by weight of a dicarboxylated butadiene-styrene resin having a ratio of styrene to butadiene of at least 50/50, and 3 to 30 parts by weight of an incompatible wax.
Claim 10
Dependent Claim
25 words
A product as defined in claim 10 which includes an anchoring agent in an amount within the range of 0.1 to 5.0 percent by weight.
Claim 11
Dependent Claim
19 words
A product as defined in claim 10 wherein the coating is a coating on the individual glass fiber filaments.
Claim 12
Dependent Claim
29 words
A product as defined in claim 10 wherein the glass fibers are in the form of bundles of glass fibers, and the coating constitutes an impregnant in the bundle.
Claim 13
Dependent Claim
23 words
A product as defined in claim 13 wherein the glass fibers forming the bundles have a thin size coating on the surfaces thereof.
Claim 14
Dependent Claim
21 words
A product as defined in claim 13 wherein the bundles are formed of strands of glass fibers plied and twisted together.
Claim 15
Dependent Claim
85 words
In a glass fiber-reinforced elastomeric product in which an elastomeric material constitutes a continuous phase in which bundles of sized glass fibers are distributed, the improvement comprising an impregnant formed of 2 to 10 parts by weight of a resorcinol-aldehyde resin, 20 to 60 parts by weight of a butadiene-styrene-vinyl pyridine terpolymer, 15 to 40 parts by weight of a dicarboxylated butadiene-styrene resin having a ratio of styrene to butadiene of at least 50/50, and 3 to 30 parts by weight of an incompatible wax.
Claim 16
Dependent Claim
21 words
A product as defined in claim 16 wherein the bundles are formed of strands of glass fibers plied and twisted together.
References Cited (Backward Citations)
US3567671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |