Claims
- 1. Glass fibers having a thin size coating thereon, said coating comprising an organo silane selected from the group consisting of a compound having the formula ##EQU1## and a compound having the formula ##SPC17##
- wherein x is an integer from 3 to 6, y is an integer from 2 to 4 and R is alkyl and the hydrolysis products thereof, and an organo silicon compound prepared by reaction of (1) a halosilane selected from the group consisting of a tetrahalosilane and a halosilane of the formula
- (R.sub.7).sub.n SiX.sub.4-n
- wherein R.sub.7 is an organic group containing 1 to 20 carbon atoms, n is an integer from 1 to 2 and X is halogen, (2) a monoepoxide selected from the group consisting of an alkylene oxide, a functional epoxide having the formula ##EQU2## wherein R.sub.2 is selected from the group consisting of aryl, alkyl, alkenyl and a group having the formula ##EQU3## where R' is hydrogen or methyl, and combinations thereof, and (3) a diepoxide selected from the group consisting of an epoxide of the formula ##EQU4## wherein R.sub.3 is a divalent organic group and a cycloalkane diepoxide, with (2) being reacted in a ratio of 1 to 3 epoxide equivalents per mole of (1) and (3) being reacted in a ratio of 0.5 to 3 epoxide equivalents per mole of (1).
- 2. Glass fibers as defined in claim 1 wherein (2) is reacted in a ratio of at least 2.2 epoxide equivalents per mole of (1).
- 3. Glass fibers as defined in claim 1 wherein the halosilane is a tetrahalosilane.
- 4. Glass fibers as defined in claim 1 wherein the silane is a gamma-glycidoxypropyltrialkoxy silane.
- 5. Glass fibers as defined in claim 1 wherein (3) is a diepoxide selected from the group consisting of an epoxide having the formula ##SPC18##
- and an epoxide having the formula ##SPC19##
- 6. Glass fibers as defined in claim 1 wherein the coating includes a film forming material.
- 7. Glass fibers having a thin size coating thereon, said coating comprising an organo silane selected from the group consisting of a compound having the formula ##STR32## and a compound having the formula ##SPC20##
- wherein x is an integer from 3 to 6, y is an integer from 2 to 4 and R is alkyl and the hydrolysis products thereof, and an organo silicon compound formed by reaction of (1) a silicon tetrahalide, (2) an alkylene oxide, and (3) a diepoxide of the formula ##STR33## wherein R.sub.3 is a divalent organic group, with (2) being reacted in a ratio of 0.5 to 2.5 epoxide equivalents per mole of the silicon tetrahalide, and (4) being reacted in a ratio of 0.5 to 3 epoxide equivalents.
- 8. Glass fibers as defined in claim 7 wherein the diepoxide has the formula ##SPC21##
- 9. Glass fibers as defined in claim 7 wherein the diepoxide has the formula ##SPC22##
- 10. Glass fibers as defined in claim 7 wherein the ratio of (2) is at least 2.2 epoxide equivalents per mole of silicon tetrahalide.
- 11. Glass fibers as defined in claim 7 wherein the silicon tetrahalide is silicon tetrachloride.
- 12. Glass fibers as defined in claim 7 wherein the silane is a gamma-glycidoxypropyltrialkoxy silane.
- 13. Glass fibers as defined in claim 7 wherein the alkylene oxide is propylene oxide.
- 14. Glass fibers as defined in claim 7 wherein the coating includes a polyepoxide resin film-forming material.
- 15. In a glass fiber reinforced plastic material in which a thermosetting resin constitutes a continuous phase in which the glass fibers are distributed, the improvement in the bonding relationship between the glass fibers and the resin comprising glass fibers as defined in claim 1.
- 16. A reinforced plastic as defined in claim 15 wherein the resin is a polyepoxide resin.
- 17. In a glass fiber reinforced plastic material in which a thermosetting resin constitutes a continuous phase in which the glass fibers are distributed, the improvement in the bonding relationship between the glass fibers and the resin comprising glass fibers as defined in claim 7.
- 18. A reinforced plastic as defined in claim 17 wherein the resin is a polyepoxide resin.
- 19. In a glass fiber reinforced plastic material as defined in claim 17 wherein the diepoxide has the formula ##SPC23##
- 20. In a glass fiber reinforced plastic material as defined in claim 17 wherein the diepoxide has the formula ##SPC24##
- 21. In a glass fiber reinforced plastic material as defined in claim 17 wherein the total of the ratios of (2) is at least 2.2 epoxide equivalents per mole of silicon tetrahalide.
- 22. In a glass fiber reinforced plastic material as defined in claim 17 wherein the silicon tetrahalide is silicon tetrachloride.
- 23. In a glass fiber reinforced plastic material as defined in claim 17 wherein the silane is a gamma-glycidoxypropyltrialkoxy silane.
- 24. In a glass fiber reinforced plastic material as defined in claim 17 wherein the alkylene oxide is propylene oxide.
- 25. Glass fibers having a thin size coating thereon, said coating comprising an organo silane selected from the group consisting of a compound having the formula ##STR34## and a compound having the formula ##SPC25##
- wherein x is an integer from 3 to 6, y is an integer from 2 to 4, and R is alkyl or hydrolysis products thereof, and an organo silicon compound prepared by reaction of (1) a halosilane selected from the group consisting of a tetrahalosilane and a halosilane of the formula
- (R.sub.7).sub.n SiX.sub.4-n
- wherein R.sub.7 is an organic group containing 1 to 20 carbon atoms, n is an integer from 1 to 2, and X is halogen, (2) an alkylene oxide and (3) a functional epoxide of the formula ##STR35## wherein R.sub.2 is selected from the group consisting of aryl, alkyl, alkenyl and a group having the formula ##STR36## wherein R' is hydrogen or methyl, with the ratio of (2) being 1 to 3 epoxide equivalents per mole of (1) and the ratio of (3) being 0.5 to 3 epoxide equivalents per mole of (1).
- 26. Glass fibers as defined in claim 25 wherein (1) is a tetrahalosilane.
- 27. Glass fibers as defined in claim 25 wherein the functional epoxide is glycidyl acrylate or methacrylate.
- 28. Glass fibers as defined in claim 25 wherein the coating includes a film-forming material.
- 29. In a glass fiber reinforced plastic material in which a thermosetting resin constitutes a continuous phase in which the glass fibers are distributed, the improvement in the bonding relationship between the glass fibers and the resin comprising glass fibers as defined in claim 25.
- 30. In a reinforced plastic material as defined in claim 29 wherein the resin is a polyepoxide resin.
- 31. Glass fibers having a thin size coating thereon, said coating comprising an organo silane selected from the group consisting of a compound having the formula ##STR37## and a compound having the formula ##SPC26##
- and a organo silicon compound having the formula ##STR38## wherein R.sub.8 is alkenyl or a group of the formula ##STR39## wherein R' is hydrogen or methyl, and X is halogen.
- 32. A glass fiber reinforced plastic product reinforced with glass fibers as defined in claim 31.
Parent Case Info
This is a continuation-in-part of copending applications Ser. No. 347,264 now U.S. Pat. No. 3899524 and Ser. No. 347,241 now U.S. Pat. No. 3931266 both filed on Apr. 2, 1973.
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Number |
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Date |
Kind |
2649396 |
Witt et al. |
Aug 1953 |
|
3591408 |
Marzocchi et al. |
Jul 1971 |
|
3702783 |
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|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
347264 |
Apr 1973 |
|