Glass fiber reinforcement

Claim 2

Glass fibers having a thin coating on the surfaces thereof, said coating comprising the reaction product of (1) a silicon halide having the general formula (R) n Si X 4-n wherein R is an organic group containing ethylenic unsaturation, X is halogen and n is 0 or 1 with (2) an aliphatic epoxide containing 10 to 25 carbon atoms and about 1 epoxide group per mole, with the mole ratio of silicon halide to the epoxide being within the range of 3.8 to 4.5, said reaction product containing beta-haloalkoxy groups of the formula ##EQU3## wherein X is halogen, said beta-haloalkoxy groups being attached directly to the silicon atom through the oxygen atom.

Claim 3

Glass fibers as defined in claim 1 wherein the halide is a silicon tetrahalide.

Claim 4

Glass fibers as defined in claim 1 wherein the composition is formulated to include at least one film forming material.

Claim 5

Glass fibers as defined in claim 3 wherein the film forming material is a blend of a resorcinol-aldehyde resin and at least one elastomer.

Claim 6

Glass fibers as defined in claim 1 wherein the epoxide is a mixture of aliphatic epoxides containing 16 to 18 carbon atoms.

Claim 7

Glass fibers having a thin coating on the surfaces thereof, said coating comprising a blend of a resorcinol-aldehyde resin, at least one elastomer and the reaction product of (1) a silicon tetrahalide and (2) an aliphatic epoxide containing 10 to 25 carbon atoms and about 1 epoxide group per mole, with the mole ratio of silicon tetrahalide to the epoxide being within the range of 3.8 to 4.5, said reaction product containing beta-haloalkoxy groups of the formula ##EQU4## wherein X is halogen, said beta-haloalkoxy groups being attached directly to the silicon atom through the oxygen atom.

Claim 8

Glass fibers having a thin coating on the surfaces thereof, said coating comprising a blend of a resorcinol-aldehyde resin, at least one elastomer and the reaction product of (1) a silicon tetrahalide and (2) an aliphatic epoxide containing 10 to 25 carbon atoms and about 1 epoxide group per mole, with the mole ratio of silicon tetrahalide to the epoxide being within the range of 3.8 to 4.5, said reaction product containing beta-haloalkoxy groups of the formula ##EQU4## wherein X is halogen, said beta-haloalkoxy groups being attached directly to the silicon atom through the oxygen atom.

Claim 9

Glass fibers as defined in claim 6 wherein the coating includes 2 to 10 parts by weight of a resorcinol-aldehyde resin, 20 to 60 parts by weight of a vinyl pyridine-butadiene-styrene terpolymer, 15 to 40 parts by weight of a material selected from the group consisting of a vinyl chloride-vinylidene chloride copolymer and a carboxylated butadiene-styrene copolymer and 5 to 30 parts by weight of a paraffin wax.

Claim 10

Glass fibers as defined in claim 7 wherein the material is a dicarboxylated butadiene-styrene copolymer.

Claim 11

A glass fiber bundle comprising a plurality of glass fibers, each of the glass fibers having a coating on the individual surfaces thereof, said coating comprising the reaction product of (1) a silicon halide having the general formula (R) n Si X 4-n wherein R is an organic group containing ethylenic unsaturation, X is halogen and n is 0 or 1 with (2) an aliphatic epoxide containing 10 to 25 carbon atoms and about 1 epoxide group per mole, with the mole ratio of silicon halide to the epoxide being within the range of 3.8 to 4.5, said reaction product containing beta-haloalkoxy group of the formula ##EQU5## wherein X is halogen, said beta-haloalkoxy groups being attached directly to the silicon atom through the oxygen atom and an impregnant in the bundle, said impregnant comprising a blend of resorcinol-aldehyde and at least one elastomer.

Claim 12

A glass fiber bundle comprising a plurality of glass fibers, each of the glass fibers having a coating on the individual surfaces thereof, said coating comprising the reaction product of (1) a silicon halide having the general formula (R) n Si X 4-n wherein R is an organic group containing ethylenic unsaturation, X is halogen and n is 0 or 1 with (2) an aliphatic epoxide containing 10 to 25 carbon atoms and about 1 epoxide group per mole, with the mole ratio of silicon halide to the epoxide being within the range of 3.8 to 4.5, said reaction product containing beta-haloalkoxy group of the formula ##EQU5## wherein X is halogen, said beta-haloalkoxy groups being attached directly to the silicon atom through the oxygen atom and an impregnant in the bundle, said impregnant comprising a blend of resorcinol-aldehyde and at least one elastomer.

Claim 13

A bundle as defined in claim 9 wherein said coating also includes a film forming material.

Claim 14

A bundle as defined in claim 9 wherein the impregnant includes 2 to 10 parts by weight of a resorcinol-aldehyde resin, 20 to 60 parts by weight of a vinyl pyridine-butadiene-styrene terpolymer, 15 to 40 parts by weight of a material selected from the group consisting of a vinyl chloride-vinylidene chloride copolymer and a carboxylated butadiene-styrene copolymer and 5 to 30 parts by weight of a paraffin wax.

Claim 15

A bundle as defined in claim 9 wherein the halide is a silicon tetrahalide.

Claim 16

A bundle as defined in claim 9 wherein the epoxide is a mixture of aliphatic epoxides containing 16 to 18 carbon atoms.

Claim 17

In a glass fiber reinforced plastic in which a thermoplastic and/or 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 a coating on the glass fiber surfaces comprising the reaction product of (1) a silicon halide having the general formula (R) n Si X 4 -n wherein R is an organic group containing ethylenic unsaturation, X is halogen and n is 0 or 1 with (2) an aliphatic epoxide containing 10 to 25 carbon atoms and about 1 epoxide group per mole, with the mole ratio of silicon halide to the epoxide being within the range of 3.8 to 4.5, said reaction product containing beta-haloalkoxy groups of the formula ##EQU6## wherein X is halogen, said beta-haloalkoxy groups being attached directly to the silicon atom through the oxygen atom.

Claim 18

In a glass fiber reinforced plastic in which a thermoplastic and/or 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 a coating on the glass fiber surfaces comprising the reaction product of (1) a silicon halide having the general formula (R) n Si X 4 -n wherein R is an organic group containing ethylenic unsaturation, X is halogen and n is 0 or 1 with (2) an aliphatic epoxide containing 10 to 25 carbon atoms and about 1 epoxide group per mole, with the mole ratio of silicon halide to the epoxide being within the range of 3.8 to 4.5, said reaction product containing beta-haloalkoxy groups of the formula ##EQU6## wherein X is halogen, said beta-haloalkoxy groups being attached directly to the silicon atom through the oxygen atom.

Claim 19

A plastic as defined in claim 14 wherein the halide is a silicon tetrahalide.

Claim 20

A plastic as defined in claim 14 wherein said coating also includes a film forming material.